]> git.xonotic.org Git - xonotic/darkplaces.git/blob - sv_main.c
do not crash when zlib is missing, but instead do not use deflate/inflate
[xonotic/darkplaces.git] / sv_main.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // sv_main.c -- server main program
21
22 #include "quakedef.h"
23 #include "sv_demo.h"
24 #include "libcurl.h"
25 #include "csprogs.h"
26
27 static void SV_SaveEntFile_f(void);
28 static void SV_StartDownload_f(void);
29 static void SV_Download_f(void);
30 static void SV_VM_Setup(void);
31 extern cvar_t net_connecttimeout;
32
33 void VM_CustomStats_Clear (void);
34 void VM_SV_UpdateCustomStats (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats);
35
36 cvar_t coop = {0, "coop","0", "coop mode, 0 = no coop, 1 = coop mode, multiple players playing through the singleplayer game (coop mode also shuts off deathmatch)"};
37 cvar_t deathmatch = {0, "deathmatch","0", "deathmatch mode, values depend on mod but typically 0 = no deathmatch, 1 = normal deathmatch with respawning weapons, 2 = weapons stay (players can only pick up new weapons)"};
38 cvar_t fraglimit = {CVAR_NOTIFY, "fraglimit","0", "ends level if this many frags is reached by any player"};
39 cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
40 cvar_t noexit = {CVAR_NOTIFY, "noexit","0", "kills anyone attempting to use an exit"};
41 cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
42 cvar_t pausable = {0, "pausable","1", "allow players to pause or not"};
43 cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
44 cvar_t samelevel = {CVAR_NOTIFY, "samelevel","0", "repeats same level if level ends (due to timelimit or someone hitting an exit)"};
45 cvar_t skill = {0, "skill","1", "difficulty level of game, affects monster layouts in levels, 0 = easy, 1 = normal, 2 = hard, 3 = nightmare (same layout as hard but monsters fire twice)"};
46 cvar_t slowmo = {0, "slowmo", "1.0", "controls game speed, 0.5 is half speed, 2 is double speed"};
47
48 cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
49 cvar_t sv_aim = {CVAR_SAVE, "sv_aim", "2", "maximum cosine angle for quake's vertical autoaim, a value above 1 completely disables the autoaim, quake used 0.93"};
50 cvar_t sv_airaccel_qw = {0, "sv_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration"};
51 cvar_t sv_airaccel_sideways_friction = {0, "sv_airaccel_sideways_friction", "", "anti-sideways movement stabilization (reduces speed gain when zigzagging)"};
52 cvar_t sv_airaccelerate = {0, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
53 cvar_t sv_airstopaccelerate = {0, "sv_airstopaccelerate", "0", "when set, replacement for sv_airaccelerate when moving backwards"};
54 cvar_t sv_airstrafeaccelerate = {0, "sv_airstrafeaccelerate", "0", "when set, replacement for sv_airaccelerate when just strafing"};
55 cvar_t sv_maxairstrafespeed = {0, "sv_maxairstrafespeed", "0", "when set, replacement for sv_maxairspeed when just strafing"};
56 cvar_t sv_aircontrol = {0, "sv_aircontrol", "0", "CPMA-style air control"};
57 cvar_t sv_allowdownloads = {0, "sv_allowdownloads", "1", "whether to allow clients to download files from the server (does not affect http downloads)"};
58 cvar_t sv_allowdownloads_archive = {0, "sv_allowdownloads_archive", "0", "whether to allow downloads of archives (pak/pk3)"};
59 cvar_t sv_allowdownloads_config = {0, "sv_allowdownloads_config", "0", "whether to allow downloads of config files (cfg)"};
60 cvar_t sv_allowdownloads_dlcache = {0, "sv_allowdownloads_dlcache", "0", "whether to allow downloads of dlcache files (dlcache/)"};
61 cvar_t sv_allowdownloads_inarchive = {0, "sv_allowdownloads_inarchive", "0", "whether to allow downloads from archives (pak/pk3)"};
62 cvar_t sv_areagrid_mingridsize = {CVAR_NOTIFY, "sv_areagrid_mingridsize", "64", "minimum areagrid cell size, smaller values work better for lots of small objects, higher values for large objects"};
63 cvar_t sv_checkforpacketsduringsleep = {0, "sv_checkforpacketsduringsleep", "0", "uses select() function to wait between frames which can be interrupted by packets being received, instead of Sleep()/usleep()/SDL_Sleep() functions which do not check for packets"};
64 cvar_t sv_clmovement_enable = {0, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
65 cvar_t sv_clmovement_minping = {0, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
66 cvar_t sv_clmovement_maxnetfps = {0, "sv_clmovement_maxnetfps", "0", "max amount of movement packets to accept per second"};
67 cvar_t sv_clmovement_minping_disabletime = {0, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
68 cvar_t sv_clmovement_inputtimeout = {0, "sv_clmovement_inputtimeout", "0.2", "when a client does not send input for this many seconds, force them to move anyway (unlike QuakeWorld)"};
69 cvar_t sv_cullentities_nevercullbmodels = {0, "sv_cullentities_nevercullbmodels", "0", "if enabled the clients are always notified of moving doors and lifts and other submodels of world (warning: eats a lot of network bandwidth on some levels!)"};
70 cvar_t sv_cullentities_pvs = {0, "sv_cullentities_pvs", "1", "fast but loose culling of hidden entities"};
71 cvar_t sv_cullentities_stats = {0, "sv_cullentities_stats", "0", "displays stats on network entities culled by various methods for each client"};
72 cvar_t sv_cullentities_trace = {0, "sv_cullentities_trace", "0", "somewhat slow but very tight culling of hidden entities, minimizes network traffic and makes wallhack cheats useless"};
73 cvar_t sv_cullentities_trace_delay = {0, "sv_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
74 cvar_t sv_cullentities_trace_delay_players = {0, "sv_cullentities_trace_delay_players", "0.2", "number of seconds until the entity gets actually culled if it is a player entity"};
75 cvar_t sv_cullentities_trace_enlarge = {0, "sv_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
76 cvar_t sv_cullentities_trace_prediction = {0, "sv_cullentities_trace_prediction", "1", "also trace from the predicted player position"};
77 cvar_t sv_cullentities_trace_samples = {0, "sv_cullentities_trace_samples", "1", "number of samples to test for entity culling"};
78 cvar_t sv_cullentities_trace_samples_extra = {0, "sv_cullentities_trace_samples_extra", "2", "number of samples to test for entity culling when the entity affects its surroundings by e.g. dlight"};
79 cvar_t sv_cullentities_trace_samples_players = {0, "sv_cullentities_trace_samples_players", "8", "number of samples to test for entity culling when the entity is a player entity"};
80 cvar_t sv_debugmove = {CVAR_NOTIFY, "sv_debugmove", "0", "disables collision detection optimizations for debugging purposes"};
81 cvar_t sv_echobprint = {CVAR_SAVE, "sv_echobprint", "1", "prints gamecode bprint() calls to server console"};
82 cvar_t sv_edgefriction = {0, "edgefriction", "1", "how much you slow down when nearing a ledge you might fall off, multiplier of sv_friction (Quake used 2, QuakeWorld used 1 due to a bug in physics code)"};
83 cvar_t sv_entpatch = {0, "sv_entpatch", "1", "enables loading of .ent files to override entities in the bsp (for example Threewave CTF server pack contains .ent patch files enabling play of CTF on id1 maps)"};
84 cvar_t sv_fixedframeratesingleplayer = {0, "sv_fixedframeratesingleplayer", "1", "allows you to use server-style timing system in singleplayer (don't run faster than sys_ticrate)"};
85 cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
86 cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
87 cvar_t sv_gameplayfix_blowupfallenzombies = {0, "sv_gameplayfix_blowupfallenzombies", "1", "causes findradius to detect SOLID_NOT entities such as zombies and corpses on the floor, allowing splash damage to apply to them"};
88 cvar_t sv_gameplayfix_delayprojectiles = {0, "sv_gameplayfix_delayprojectiles", "1", "causes entities to not move on the same frame they are spawned, meaning that projectiles wait until the next frame to perform their first move, giving proper interpolation and rocket trails, but making weapons harder to use at low framerates"};
89 cvar_t sv_gameplayfix_droptofloorstartsolid = {0, "sv_gameplayfix_droptofloorstartsolid", "1", "prevents items and monsters that start in a solid area from falling out of the level (makes droptofloor treat trace_startsolid as an acceptable outcome)"};
90 cvar_t sv_gameplayfix_droptofloorstartsolid_nudgetocorrect = {0, "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect", "1", "tries to nudge stuck items and monsters out of walls before droptofloor is performed"};
91 cvar_t sv_gameplayfix_easierwaterjump = {0, "sv_gameplayfix_easierwaterjump", "1", "changes water jumping to make it easier to get out of water (exactly like in QuakeWorld)"};
92 cvar_t sv_gameplayfix_findradiusdistancetobox = {0, "sv_gameplayfix_findradiusdistancetobox", "1", "causes findradius to check the distance to the corner of a box rather than the center of the box, makes findradius detect bmodels such as very large doors that would otherwise be unaffected by splash damage"};
93 cvar_t sv_gameplayfix_grenadebouncedownslopes = {0, "sv_gameplayfix_grenadebouncedownslopes", "1", "prevents MOVETYPE_BOUNCE (grenades) from getting stuck when fired down a downward sloping surface"};
94 cvar_t sv_gameplayfix_multiplethinksperframe = {0, "sv_gameplayfix_multiplethinksperframe", "1", "allows entities to think more often than the server framerate, primarily useful for very high fire rate weapons"};
95 cvar_t sv_gameplayfix_slidemoveprojectiles = {0, "sv_gameplayfix_slidemoveprojectiles", "1", "allows MOVETYPE_FLY/FLYMISSILE/TOSS/BOUNCE/BOUNCEMISSILE entities to finish their move in a frame even if they hit something, fixes 'gravity accumulation' bug for grenades on steep slopes"};
96 cvar_t sv_gameplayfix_noairborncorpse = {0, "sv_gameplayfix_noairborncorpse", "1", "causes entities (corpses) sitting ontop of moving entities (players) to fall when the moving entity (player) is no longer supporting them"};
97 cvar_t sv_gameplayfix_setmodelrealbox = {0, "sv_gameplayfix_setmodelrealbox", "1", "fixes a bug in Quake that made setmodel always set the entity box to ('-16 -16 -16', '16 16 16') rather than properly checking the model box, breaks some poorly coded mods"};
98 cvar_t sv_gameplayfix_stepdown = {0, "sv_gameplayfix_stepdown", "0", "attempts to step down stairs, not just up them (prevents the familiar thud..thud..thud.. when running down stairs and slopes)"};
99 cvar_t sv_gameplayfix_stepwhilejumping = {0, "sv_gameplayfix_stepwhilejumping", "1", "applies step-up onto a ledge even while airborn, useful if you would otherwise just-miss the floor when running across small areas with gaps (for instance running across the moving platforms in dm2, or jumping to the megahealth and red armor in dm2 rather than using the bridge)"};
100 cvar_t sv_gameplayfix_swiminbmodels = {0, "sv_gameplayfix_swiminbmodels", "1", "causes pointcontents (used to determine if you are in a liquid) to check bmodel entities as well as the world model, so you can swim around in (possibly moving) water bmodel entities"};
101 cvar_t sv_gameplayfix_upwardvelocityclearsongroundflag = {0, "sv_gameplayfix_upwardvelocityclearsongroundflag", "1", "prevents monsters, items, and most other objects from being stuck to the floor when pushed around by damage, and other situations in mods"};
102 cvar_t sv_gameplayfix_gravityunaffectedbyticrate = {0, "sv_gameplayfix_gravityunaffectedbyticrate", "0", "fix some ticrate issues in physics."};
103 cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
104 cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
105 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
106 cvar_t sv_jumpvelocity = {0, "sv_jumpvelocity", "270", "cvar that can be used by QuakeC code for jump velocity"};
107 cvar_t sv_maxairspeed = {0, "sv_maxairspeed", "30", "maximum speed a player can accelerate to when airborn (note that it is possible to completely stop by moving the opposite direction)"};
108 cvar_t sv_maxrate = {CVAR_SAVE | CVAR_NOTIFY, "sv_maxrate", "1000000", "upper limit on client rate cvar, should reflect your network connection quality"};
109 cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
110 cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
111 cvar_t sv_newflymove = {CVAR_NOTIFY, "sv_newflymove", "0", "enables simpler/buggier player physics (not recommended)"};
112 cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
113 cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
114 cvar_t sv_progs = {0, "sv_progs", "progs.dat", "selects which quakec progs.dat file to run" };
115 cvar_t sv_protocolname = {0, "sv_protocolname", "DP7", "selects network protocol to host for (values include QUAKE, QUAKEDP, NEHAHRAMOVIE, DP1 and up)"};
116 cvar_t sv_random_seed = {0, "sv_random_seed", "", "random seed; when set, on every map start this random seed is used to initialize the random number generator. Don't touch it unless for benchmarking or debugging"};
117 cvar_t sv_ratelimitlocalplayer = {0, "sv_ratelimitlocalplayer", "0", "whether to apply rate limiting to the local player in a listen server (only useful for testing)"};
118 cvar_t sv_sound_land = {0, "sv_sound_land", "demon/dland2.wav", "sound to play when MOVETYPE_STEP entity hits the ground at high speed (empty cvar disables the sound)"};
119 cvar_t sv_sound_watersplash = {0, "sv_sound_watersplash", "misc/h2ohit1.wav", "sound to play when MOVETYPE_FLY/TOSS/BOUNCE/STEP entity enters or leaves water (empty cvar disables the sound)"};
120 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
121 cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
122 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
123 cvar_t sv_wateraccelerate = {0, "sv_wateraccelerate", "-1", "rate at which a player accelerates to sv_maxspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
124 cvar_t sv_waterfriction = {CVAR_NOTIFY, "sv_waterfriction","-1", "how fast you slow down, if less than 0 the sv_friction variable is used instead"};
125 cvar_t sv_warsowbunny_airforwardaccel = {0, "sv_warsowbunny_airforwardaccel", "1.00001", "how fast you accelerate until you reach sv_maxspeed"};
126 cvar_t sv_warsowbunny_accel = {0, "sv_warsowbunny_accel", "0.1585", "how fast you accelerate until after reaching sv_maxspeed (it gets harder as you near sv_warsowbunny_topspeed)"};
127 cvar_t sv_warsowbunny_topspeed = {0, "sv_warsowbunny_topspeed", "925", "soft speed limit (can get faster with rjs and on ramps)"};
128 cvar_t sv_warsowbunny_turnaccel = {0, "sv_warsowbunny_turnaccel", "0", "max sharpness of turns (also master switch for the sv_warsowbunny_* mode; set this to 9 to enable)"};
129 cvar_t sv_warsowbunny_backtosideratio = {0, "sv_warsowbunny_backtosideratio", "0.8", "lower values make it easier to change direction without losing speed; the drawback is \"understeering\" in sharp turns"};
130 cvar_t sys_ticrate = {CVAR_SAVE, "sys_ticrate","0.0138889", "how long a server frame is in seconds, 0.05 is 20fps server rate, 0.1 is 10fps (can not be set higher than 0.1), 0 runs as many server frames as possible (makes games against bots a little smoother, overwhelms network players), 0.0138889 matches QuakeWorld physics"};
131 cvar_t teamplay = {CVAR_NOTIFY, "teamplay","0", "teamplay mode, values depend on mod but typically 0 = no teams, 1 = no team damage no self damage, 2 = team damage and self damage, some mods support 3 = no team damage but can damage self"};
132 cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
133
134 cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
135 cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
136 cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
137 cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
138 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
139 cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
140 cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
141 cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
142 cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
143 cvar_t temp1 = {0, "temp1","0", "general cvar for mods to use, in stock id1 this selects which death animation to use on players (0 = random death, other values select specific death scenes)"};
144
145 cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
146 cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
147 cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
148 cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
149 cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
150 cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
151 cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
152 cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
153 cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
154 cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
155 cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
156 cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
157 cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
158 cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
159 cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
160 cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
161 cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
162 cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
163 cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
164 cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
165 cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};
166
167 cvar_t sv_autodemo_perclient = {CVAR_SAVE, "sv_autodemo_perclient", "0", "set to 1 to enable autorecorded per-client demos (they'll start to record at the beginning of a match); set it to 2 to also record client->server packets (for debugging)"};
168 cvar_t sv_autodemo_perclient_nameformat = {CVAR_SAVE, "sv_autodemo_perclient_nameformat", "sv_autodemos/%Y-%m-%d_%H-%M", "The format of the sv_autodemo_perclient filename, followed by the map name, the client number and the IP address + port number, separated by underscores (the date is encoded using strftime escapes)" };
169
170 cvar_t halflifebsp = {0, "halflifebsp", "0", "indicates the current map is hlbsp format (useful to know because of different bounding box sizes)"};
171
172 server_t sv;
173 server_static_t svs;
174
175 mempool_t *sv_mempool = NULL;
176
177 extern cvar_t slowmo;
178 extern float            scr_centertime_off;
179
180 // MUST match effectnameindex_t in client.h
181 static const char *standardeffectnames[EFFECT_TOTAL] =
182 {
183         "",
184         "TE_GUNSHOT",
185         "TE_GUNSHOTQUAD",
186         "TE_SPIKE",
187         "TE_SPIKEQUAD",
188         "TE_SUPERSPIKE",
189         "TE_SUPERSPIKEQUAD",
190         "TE_WIZSPIKE",
191         "TE_KNIGHTSPIKE",
192         "TE_EXPLOSION",
193         "TE_EXPLOSIONQUAD",
194         "TE_TAREXPLOSION",
195         "TE_TELEPORT",
196         "TE_LAVASPLASH",
197         "TE_SMALLFLASH",
198         "TE_FLAMEJET",
199         "EF_FLAME",
200         "TE_BLOOD",
201         "TE_SPARK",
202         "TE_PLASMABURN",
203         "TE_TEI_G3",
204         "TE_TEI_SMOKE",
205         "TE_TEI_BIGEXPLOSION",
206         "TE_TEI_PLASMAHIT",
207         "EF_STARDUST",
208         "TR_ROCKET",
209         "TR_GRENADE",
210         "TR_BLOOD",
211         "TR_WIZSPIKE",
212         "TR_SLIGHTBLOOD",
213         "TR_KNIGHTSPIKE",
214         "TR_VORESPIKE",
215         "TR_NEHAHRASMOKE",
216         "TR_NEXUIZPLASMA",
217         "TR_GLOWTRAIL",
218         "SVC_PARTICLE"
219 };
220
221 #define REQFIELDS (sizeof(reqfields) / sizeof(prvm_required_field_t))
222
223 prvm_required_field_t reqfields[] =
224 {
225         {ev_entity, "cursor_trace_ent"},
226         {ev_entity, "drawonlytoclient"},
227         {ev_entity, "exteriormodeltoclient"},
228         {ev_entity, "nodrawtoclient"},
229         {ev_entity, "tag_entity"},
230         {ev_entity, "viewmodelforclient"},
231         {ev_float, "SendFlags"},
232         {ev_float, "Version"},
233         {ev_float, "alpha"},
234         {ev_float, "ammo_cells1"},
235         {ev_float, "ammo_lava_nails"},
236         {ev_float, "ammo_multi_rockets"},
237         {ev_float, "ammo_nails1"},
238         {ev_float, "ammo_plasma"},
239         {ev_float, "ammo_rockets1"},
240         {ev_float, "ammo_shells1"},
241         {ev_float, "button3"},
242         {ev_float, "button4"},
243         {ev_float, "button5"},
244         {ev_float, "button6"},
245         {ev_float, "button7"},
246         {ev_float, "button8"},
247         {ev_float, "button9"},
248         {ev_float, "button10"},
249         {ev_float, "button11"},
250         {ev_float, "button12"},
251         {ev_float, "button13"},
252         {ev_float, "button14"},
253         {ev_float, "button15"},
254         {ev_float, "button16"},
255         {ev_float, "buttonchat"},
256         {ev_float, "buttonuse"},
257         {ev_float, "clientcolors"},
258         {ev_float, "cursor_active"},
259         {ev_float, "disableclientprediction"},
260         {ev_float, "fullbright"},
261         {ev_float, "glow_color"},
262         {ev_float, "glow_size"},
263         {ev_float, "glow_trail"},
264         {ev_float, "gravity"},
265         {ev_float, "idealpitch"},
266         {ev_float, "items2"},
267         {ev_float, "light_lev"},
268         {ev_float, "modelflags"},
269         {ev_float, "pflags"},
270         {ev_float, "ping"},
271         {ev_float, "pitch_speed"},
272         {ev_float, "pmodel"},
273         {ev_float, "renderamt"}, // HalfLife support
274         {ev_float, "rendermode"}, // HalfLife support
275         {ev_float, "scale"},
276         {ev_float, "style"},
277         {ev_float, "tag_index"},
278         {ev_float, "viewzoom"},
279         {ev_function, "SendEntity"},
280         {ev_function, "contentstransition"}, // DRESK - Support for Entity Contents Transition Event
281         {ev_function, "customizeentityforclient"},
282         {ev_function, "movetypesteplandevent"}, // DRESK - Support for MOVETYPE_STEP Entity Land Event
283         {ev_string, "netaddress"},
284         {ev_string, "playermodel"},
285         {ev_string, "playerskin"},
286         {ev_vector, "color"},
287         {ev_vector, "colormod"},
288         {ev_vector, "cursor_screen"},
289         {ev_vector, "cursor_trace_endpos"},
290         {ev_vector, "cursor_trace_start"},
291         {ev_vector, "movement"},
292         {ev_vector, "punchvector"},
293 };
294
295
296
297 //============================================================================
298
299 void SV_AreaStats_f(void)
300 {
301         World_PrintAreaStats(&sv.world, "server");
302 }
303
304 /*
305 ===============
306 SV_Init
307 ===============
308 */
309 void SV_Init (void)
310 {
311         // init the csqc progs cvars, since they are updated/used by the server code
312         // TODO: fix this since this is a quick hack to make some of [515]'s broken code run ;) [9/13/2006 Black]
313         extern cvar_t csqc_progname;    //[515]: csqc crc check and right csprogs name according to progs.dat
314         extern cvar_t csqc_progcrc;
315         extern cvar_t csqc_progsize;
316         Cvar_RegisterVariable (&csqc_progname);
317         Cvar_RegisterVariable (&csqc_progcrc);
318         Cvar_RegisterVariable (&csqc_progsize);
319
320         Cmd_AddCommand("sv_saveentfile", SV_SaveEntFile_f, "save map entities to .ent file (to allow external editing)");
321         Cmd_AddCommand("sv_areastats", SV_AreaStats_f, "prints statistics on entity culling during collision traces");
322         Cmd_AddCommand_WithClientCommand("sv_startdownload", NULL, SV_StartDownload_f, "begins sending a file to the client (network protocol use only)");
323         Cmd_AddCommand_WithClientCommand("download", NULL, SV_Download_f, "downloads a specified file from the server");
324
325         Cvar_RegisterVariable (&coop);
326         Cvar_RegisterVariable (&deathmatch);
327         Cvar_RegisterVariable (&fraglimit);
328         Cvar_RegisterVariable (&gamecfg);
329         Cvar_RegisterVariable (&noexit);
330         Cvar_RegisterVariable (&nomonsters);
331         Cvar_RegisterVariable (&pausable);
332         Cvar_RegisterVariable (&pr_checkextension);
333         Cvar_RegisterVariable (&samelevel);
334         Cvar_RegisterVariable (&skill);
335         Cvar_RegisterVariable (&slowmo);
336         Cvar_RegisterVariable (&sv_accelerate);
337         Cvar_RegisterVariable (&sv_aim);
338         Cvar_RegisterVariable (&sv_airaccel_qw);
339         Cvar_RegisterVariable (&sv_airaccel_sideways_friction);
340         Cvar_RegisterVariable (&sv_airaccelerate);
341         Cvar_RegisterVariable (&sv_airstopaccelerate);
342         Cvar_RegisterVariable (&sv_airstrafeaccelerate);
343         Cvar_RegisterVariable (&sv_maxairstrafespeed);
344         Cvar_RegisterVariable (&sv_aircontrol);
345         Cvar_RegisterVariable (&sv_allowdownloads);
346         Cvar_RegisterVariable (&sv_allowdownloads_archive);
347         Cvar_RegisterVariable (&sv_allowdownloads_config);
348         Cvar_RegisterVariable (&sv_allowdownloads_dlcache);
349         Cvar_RegisterVariable (&sv_allowdownloads_inarchive);
350         Cvar_RegisterVariable (&sv_areagrid_mingridsize);
351         Cvar_RegisterVariable (&sv_checkforpacketsduringsleep);
352         Cvar_RegisterVariable (&sv_clmovement_enable);
353         Cvar_RegisterVariable (&sv_clmovement_maxnetfps);
354         Cvar_RegisterVariable (&sv_clmovement_minping);
355         Cvar_RegisterVariable (&sv_clmovement_minping_disabletime);
356         Cvar_RegisterVariable (&sv_clmovement_inputtimeout);
357         Cvar_RegisterVariable (&sv_cullentities_nevercullbmodels);
358         Cvar_RegisterVariable (&sv_cullentities_pvs);
359         Cvar_RegisterVariable (&sv_cullentities_stats);
360         Cvar_RegisterVariable (&sv_cullentities_trace);
361         Cvar_RegisterVariable (&sv_cullentities_trace_delay);
362         Cvar_RegisterVariable (&sv_cullentities_trace_delay_players);
363         Cvar_RegisterVariable (&sv_cullentities_trace_enlarge);
364         Cvar_RegisterVariable (&sv_cullentities_trace_prediction);
365         Cvar_RegisterVariable (&sv_cullentities_trace_samples);
366         Cvar_RegisterVariable (&sv_cullentities_trace_samples_extra);
367         Cvar_RegisterVariable (&sv_cullentities_trace_samples_players);
368         Cvar_RegisterVariable (&sv_debugmove);
369         Cvar_RegisterVariable (&sv_echobprint);
370         Cvar_RegisterVariable (&sv_edgefriction);
371         Cvar_RegisterVariable (&sv_entpatch);
372         Cvar_RegisterVariable (&sv_fixedframeratesingleplayer);
373         Cvar_RegisterVariable (&sv_freezenonclients);
374         Cvar_RegisterVariable (&sv_friction);
375         Cvar_RegisterVariable (&sv_gameplayfix_blowupfallenzombies);
376         Cvar_RegisterVariable (&sv_gameplayfix_delayprojectiles);
377         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid);
378         Cvar_RegisterVariable (&sv_gameplayfix_droptofloorstartsolid_nudgetocorrect);
379         Cvar_RegisterVariable (&sv_gameplayfix_easierwaterjump);
380         Cvar_RegisterVariable (&sv_gameplayfix_findradiusdistancetobox);
381         Cvar_RegisterVariable (&sv_gameplayfix_grenadebouncedownslopes);
382         Cvar_RegisterVariable (&sv_gameplayfix_multiplethinksperframe);
383         Cvar_RegisterVariable (&sv_gameplayfix_slidemoveprojectiles);
384         Cvar_RegisterVariable (&sv_gameplayfix_noairborncorpse);
385         Cvar_RegisterVariable (&sv_gameplayfix_setmodelrealbox);
386         Cvar_RegisterVariable (&sv_gameplayfix_stepdown);
387         Cvar_RegisterVariable (&sv_gameplayfix_stepwhilejumping);
388         Cvar_RegisterVariable (&sv_gameplayfix_swiminbmodels);
389         Cvar_RegisterVariable (&sv_gameplayfix_upwardvelocityclearsongroundflag);
390         Cvar_RegisterVariable (&sv_gameplayfix_gravityunaffectedbyticrate);
391         Cvar_RegisterVariable (&sv_gravity);
392         Cvar_RegisterVariable (&sv_idealpitchscale);
393         Cvar_RegisterVariable (&sv_jumpstep);
394         Cvar_RegisterVariable (&sv_jumpvelocity);
395         Cvar_RegisterVariable (&sv_maxairspeed);
396         Cvar_RegisterVariable (&sv_maxrate);
397         Cvar_RegisterVariable (&sv_maxspeed);
398         Cvar_RegisterVariable (&sv_maxvelocity);
399         Cvar_RegisterVariable (&sv_newflymove);
400         Cvar_RegisterVariable (&sv_nostep);
401         Cvar_RegisterVariable (&sv_playerphysicsqc);
402         Cvar_RegisterVariable (&sv_progs);
403         Cvar_RegisterVariable (&sv_protocolname);
404         Cvar_RegisterVariable (&sv_random_seed);
405         Cvar_RegisterVariable (&sv_ratelimitlocalplayer);
406         Cvar_RegisterVariable (&sv_sound_land);
407         Cvar_RegisterVariable (&sv_sound_watersplash);
408         Cvar_RegisterVariable (&sv_stepheight);
409         Cvar_RegisterVariable (&sv_stopspeed);
410         Cvar_RegisterVariable (&sv_wallfriction);
411         Cvar_RegisterVariable (&sv_wateraccelerate);
412         Cvar_RegisterVariable (&sv_waterfriction);
413         Cvar_RegisterVariable (&sv_warsowbunny_airforwardaccel);
414         Cvar_RegisterVariable (&sv_warsowbunny_accel);
415         Cvar_RegisterVariable (&sv_warsowbunny_topspeed);
416         Cvar_RegisterVariable (&sv_warsowbunny_turnaccel);
417         Cvar_RegisterVariable (&sv_warsowbunny_backtosideratio);
418         Cvar_RegisterVariable (&sys_ticrate);
419         Cvar_RegisterVariable (&teamplay);
420         Cvar_RegisterVariable (&timelimit);
421
422         Cvar_RegisterVariable (&saved1);
423         Cvar_RegisterVariable (&saved2);
424         Cvar_RegisterVariable (&saved3);
425         Cvar_RegisterVariable (&saved4);
426         Cvar_RegisterVariable (&savedgamecfg);
427         Cvar_RegisterVariable (&scratch1);
428         Cvar_RegisterVariable (&scratch2);
429         Cvar_RegisterVariable (&scratch3);
430         Cvar_RegisterVariable (&scratch4);
431         Cvar_RegisterVariable (&temp1);
432
433         // LordHavoc: Nehahra uses these to pass data around cutscene demos
434         if (gamemode == GAME_NEHAHRA)
435         {
436                 Cvar_RegisterVariable (&nehx00);
437                 Cvar_RegisterVariable (&nehx01);
438                 Cvar_RegisterVariable (&nehx02);
439                 Cvar_RegisterVariable (&nehx03);
440                 Cvar_RegisterVariable (&nehx04);
441                 Cvar_RegisterVariable (&nehx05);
442                 Cvar_RegisterVariable (&nehx06);
443                 Cvar_RegisterVariable (&nehx07);
444                 Cvar_RegisterVariable (&nehx08);
445                 Cvar_RegisterVariable (&nehx09);
446                 Cvar_RegisterVariable (&nehx10);
447                 Cvar_RegisterVariable (&nehx11);
448                 Cvar_RegisterVariable (&nehx12);
449                 Cvar_RegisterVariable (&nehx13);
450                 Cvar_RegisterVariable (&nehx14);
451                 Cvar_RegisterVariable (&nehx15);
452                 Cvar_RegisterVariable (&nehx16);
453                 Cvar_RegisterVariable (&nehx17);
454                 Cvar_RegisterVariable (&nehx18);
455                 Cvar_RegisterVariable (&nehx19);
456         }
457         Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
458
459         Cvar_RegisterVariable (&sv_autodemo_perclient);
460         Cvar_RegisterVariable (&sv_autodemo_perclient_nameformat);
461
462         Cvar_RegisterVariable (&halflifebsp);
463
464         // any special defaults for gamemodes go here
465         if (gamemode == GAME_NEHAHRA)
466         {
467                 // Nehahra pushable crates malfunction in some levels if this is on
468                 Cvar_SetValueQuick (&sv_gameplayfix_upwardvelocityclearsongroundflag, 0);
469                 // Nehahra NPC AI is confused by this feature
470                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
471         }
472         if (gamemode == GAME_HIPNOTIC)
473         {
474                 // hipnotic mission pack has issues in their 'friendly monster' ai, which seem to attempt to attack themselves for some reason when findradius() returns non-solid entities.
475                 Cvar_SetValueQuick (&sv_gameplayfix_blowupfallenzombies, 0);
476                 // hipnotic mission pack has issues with bobbing water entities 'jittering' between different heights on alternate frames at the default 0.0138889 ticrate, 0.02 avoids this issue
477                 Cvar_SetValueQuick (&sys_ticrate, 0.02);
478                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.                                                                                     
479                 Cvar_SetValueQuick (&sv_gameplayfix_slidemoveprojectiles, 0);                                                                                                                                   
480         }
481         if (gamemode == GAME_ROGUE)
482         {
483                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
484                 Cvar_SetValueQuick (&sv_gameplayfix_findradiusdistancetobox, 0);
485         }
486
487         sv_mempool = Mem_AllocPool("server", 0, NULL);
488 }
489
490 static void SV_SaveEntFile_f(void)
491 {
492         char basename[MAX_QPATH];
493         if (!sv.active || !sv.worldmodel)
494         {
495                 Con_Print("Not running a server\n");
496                 return;
497         }
498         FS_StripExtension(sv.worldmodel->name, basename, sizeof(basename));
499         FS_WriteFile(va("%s.ent", basename), sv.worldmodel->brush.entities, (fs_offset_t)strlen(sv.worldmodel->brush.entities));
500 }
501
502
503 /*
504 =============================================================================
505
506 EVENT MESSAGES
507
508 =============================================================================
509 */
510
511 /*
512 ==================
513 SV_StartParticle
514
515 Make sure the event gets sent to all clients
516 ==================
517 */
518 void SV_StartParticle (vec3_t org, vec3_t dir, int color, int count)
519 {
520         int i;
521
522         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-18)
523                 return;
524         MSG_WriteByte (&sv.datagram, svc_particle);
525         MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
526         MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
527         MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
528         for (i=0 ; i<3 ; i++)
529                 MSG_WriteChar (&sv.datagram, (int)bound(-128, dir[i]*16, 127));
530         MSG_WriteByte (&sv.datagram, count);
531         MSG_WriteByte (&sv.datagram, color);
532         SV_FlushBroadcastMessages();
533 }
534
535 /*
536 ==================
537 SV_StartEffect
538
539 Make sure the event gets sent to all clients
540 ==================
541 */
542 void SV_StartEffect (vec3_t org, int modelindex, int startframe, int framecount, int framerate)
543 {
544         if (modelindex >= 256 || startframe >= 256)
545         {
546                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-19)
547                         return;
548                 MSG_WriteByte (&sv.datagram, svc_effect2);
549                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
550                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
551                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
552                 MSG_WriteShort (&sv.datagram, modelindex);
553                 MSG_WriteShort (&sv.datagram, startframe);
554                 MSG_WriteByte (&sv.datagram, framecount);
555                 MSG_WriteByte (&sv.datagram, framerate);
556         }
557         else
558         {
559                 if (sv.datagram.cursize > MAX_PACKETFRAGMENT-17)
560                         return;
561                 MSG_WriteByte (&sv.datagram, svc_effect);
562                 MSG_WriteCoord (&sv.datagram, org[0], sv.protocol);
563                 MSG_WriteCoord (&sv.datagram, org[1], sv.protocol);
564                 MSG_WriteCoord (&sv.datagram, org[2], sv.protocol);
565                 MSG_WriteByte (&sv.datagram, modelindex);
566                 MSG_WriteByte (&sv.datagram, startframe);
567                 MSG_WriteByte (&sv.datagram, framecount);
568                 MSG_WriteByte (&sv.datagram, framerate);
569         }
570         SV_FlushBroadcastMessages();
571 }
572
573 /*
574 ==================
575 SV_StartSound
576
577 Each entity can have eight independant sound sources, like voice,
578 weapon, feet, etc.
579
580 Channel 0 is an auto-allocate channel, the others override anything
581 already running on that entity/channel pair.
582
583 An attenuation of 0 will play full volume everywhere in the level.
584 Larger attenuations will drop off.  (max 4 attenuation)
585
586 ==================
587 */
588 void SV_StartSound (prvm_edict_t *entity, int channel, const char *sample, int volume, float attenuation)
589 {
590         int sound_num, field_mask, i, ent;
591
592         if (volume < 0 || volume > 255)
593         {
594                 Con_Printf ("SV_StartSound: volume = %i\n", volume);
595                 return;
596         }
597
598         if (attenuation < 0 || attenuation > 4)
599         {
600                 Con_Printf ("SV_StartSound: attenuation = %f\n", attenuation);
601                 return;
602         }
603
604         if (channel < 0 || channel > 7)
605         {
606                 Con_Printf ("SV_StartSound: channel = %i\n", channel);
607                 return;
608         }
609
610         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
611                 return;
612
613 // find precache number for sound
614         sound_num = SV_SoundIndex(sample, 1);
615         if (!sound_num)
616                 return;
617
618         ent = PRVM_NUM_FOR_EDICT(entity);
619
620         field_mask = 0;
621         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
622                 field_mask |= SND_VOLUME;
623         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
624                 field_mask |= SND_ATTENUATION;
625         if (ent >= 8192)
626                 field_mask |= SND_LARGEENTITY;
627         if (sound_num >= 256 || channel >= 8)
628                 field_mask |= SND_LARGESOUND;
629
630 // directed messages go only to the entity they are targeted on
631         MSG_WriteByte (&sv.datagram, svc_sound);
632         MSG_WriteByte (&sv.datagram, field_mask);
633         if (field_mask & SND_VOLUME)
634                 MSG_WriteByte (&sv.datagram, volume);
635         if (field_mask & SND_ATTENUATION)
636                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
637         if (field_mask & SND_LARGEENTITY)
638         {
639                 MSG_WriteShort (&sv.datagram, ent);
640                 MSG_WriteByte (&sv.datagram, channel);
641         }
642         else
643                 MSG_WriteShort (&sv.datagram, (ent<<3) | channel);
644         if ((field_mask & SND_LARGESOUND) || sv.protocol == PROTOCOL_NEHAHRABJP2)
645                 MSG_WriteShort (&sv.datagram, sound_num);
646         else
647                 MSG_WriteByte (&sv.datagram, sound_num);
648         for (i = 0;i < 3;i++)
649                 MSG_WriteCoord (&sv.datagram, entity->fields.server->origin[i]+0.5*(entity->fields.server->mins[i]+entity->fields.server->maxs[i]), sv.protocol);
650         SV_FlushBroadcastMessages();
651 }
652
653 /*
654 ==================
655 SV_StartPointSound
656
657 Nearly the same logic as SV_StartSound, except an origin
658 instead of an entity is provided and channel is omitted.
659
660 The entity sent to the client is 0 (world) and the channel
661 is 0 (CHAN_AUTO).  SND_LARGEENTITY will never occur in this
662 function, therefore the check for it is omitted.
663
664 ==================
665 */
666 void SV_StartPointSound (vec3_t origin, const char *sample, int volume, float attenuation)
667 {
668         int sound_num, field_mask, i;
669
670         if (volume < 0 || volume > 255)
671         {
672                 Con_Printf ("SV_StartPointSound: volume = %i\n", volume);
673                 return;
674         }
675
676         if (attenuation < 0 || attenuation > 4)
677         {
678                 Con_Printf ("SV_StartPointSound: attenuation = %f\n", attenuation);
679                 return;
680         }
681
682         if (sv.datagram.cursize > MAX_PACKETFRAGMENT-21)
683                 return;
684
685         // find precache number for sound
686         sound_num = SV_SoundIndex(sample, 1);
687         if (!sound_num)
688                 return;
689
690         field_mask = 0;
691         if (volume != DEFAULT_SOUND_PACKET_VOLUME)
692                 field_mask |= SND_VOLUME;
693         if (attenuation != DEFAULT_SOUND_PACKET_ATTENUATION)
694                 field_mask |= SND_ATTENUATION;
695         if (sound_num >= 256)
696                 field_mask |= SND_LARGESOUND;
697
698 // directed messages go only to the entity they are targeted on
699         MSG_WriteByte (&sv.datagram, svc_sound);
700         MSG_WriteByte (&sv.datagram, field_mask);
701         if (field_mask & SND_VOLUME)
702                 MSG_WriteByte (&sv.datagram, volume);
703         if (field_mask & SND_ATTENUATION)
704                 MSG_WriteByte (&sv.datagram, (int)(attenuation*64));
705         // Always write entnum 0 for the world entity
706         MSG_WriteShort (&sv.datagram, (0<<3) | 0);
707         if (field_mask & SND_LARGESOUND)
708                 MSG_WriteShort (&sv.datagram, sound_num);
709         else
710                 MSG_WriteByte (&sv.datagram, sound_num);
711         for (i = 0;i < 3;i++)
712                 MSG_WriteCoord (&sv.datagram, origin[i], sv.protocol);
713         SV_FlushBroadcastMessages();
714 }
715
716 /*
717 ==============================================================================
718
719 CLIENT SPAWNING
720
721 ==============================================================================
722 */
723
724 /*
725 ================
726 SV_SendServerinfo
727
728 Sends the first message from the server to a connected client.
729 This will be sent on the initial connection and upon each server load.
730 ================
731 */
732 void SV_SendServerinfo (client_t *client)
733 {
734         int i;
735         char message[128];
736
737         // we know that this client has a netconnection and thus is not a bot
738
739         // edicts get reallocated on level changes, so we need to update it here
740         client->edict = PRVM_EDICT_NUM((client - svs.clients) + 1);
741
742         // clear cached stuff that depends on the level
743         client->weaponmodel[0] = 0;
744         client->weaponmodelindex = 0;
745
746         // LordHavoc: clear entityframe tracking
747         client->latestframenum = 0;
748
749         // initialize the movetime, so a speedhack can't make use of the time before this client joined
750         client->cmd.time = sv.time;
751
752         if (client->entitydatabase)
753                 EntityFrame_FreeDatabase(client->entitydatabase);
754         if (client->entitydatabase4)
755                 EntityFrame4_FreeDatabase(client->entitydatabase4);
756         if (client->entitydatabase5)
757                 EntityFrame5_FreeDatabase(client->entitydatabase5);
758
759         memset(client->stats, 0, sizeof(client->stats));
760         memset(client->statsdeltabits, 0, sizeof(client->statsdeltabits));
761
762         if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3)
763         {
764                 if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
765                         client->entitydatabase = EntityFrame_AllocDatabase(sv_mempool);
766                 else if (sv.protocol == PROTOCOL_DARKPLACES4)
767                         client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_mempool);
768                 else
769                         client->entitydatabase5 = EntityFrame5_AllocDatabase(sv_mempool);
770         }
771
772         // reset csqc entity versions
773         for (i = 0;i < prog->max_edicts;i++)
774         {
775                 client->csqcentityscope[i] = 0;
776                 client->csqcentitysendflags[i] = 0xFFFFFF;
777                 client->csqcentityglobalhistory[i] = 0;
778         }
779         for (i = 0;i < NUM_CSQCENTITYDB_FRAMES;i++)
780         {
781                 client->csqcentityframehistory[i].num = 0;
782                 client->csqcentityframehistory[i].framenum = -1;
783         }
784         client->csqcnumedicts = 0;
785         client->csqcentityframehistory_next = 0;
786
787         SZ_Clear (&client->netconnection->message);
788         MSG_WriteByte (&client->netconnection->message, svc_print);
789         dpsnprintf (message, sizeof (message), "\nServer: %s build %s (progs %i crc)", gamename, buildstring, prog->filecrc);
790         MSG_WriteString (&client->netconnection->message,message);
791
792         SV_StopDemoRecording(client); // to split up demos into different files
793         if(sv_autodemo_perclient.integer && client->netconnection)
794         {
795                 char demofile[MAX_OSPATH];
796                 char levelname[MAX_QPATH];
797                 char ipaddress[MAX_QPATH];
798                 size_t i;
799
800                 // start a new demo file
801                 strlcpy(levelname, FS_FileWithoutPath(sv.worldmodel->name), sizeof(levelname));
802                 if (strrchr(levelname, '.'))
803                         *(strrchr(levelname, '.')) = 0;
804
805                 LHNETADDRESS_ToString(&(client->netconnection->peeraddress), ipaddress, sizeof(ipaddress), true);
806                 for(i = 0; ipaddress[i]; ++i)
807                         if(!isalnum(ipaddress[i]))
808                                 ipaddress[i] = '-';
809                 dpsnprintf (demofile, sizeof(demofile), "%s_%s_%d_%s.dem", Sys_TimeString (sv_autodemo_perclient_nameformat.string), levelname, PRVM_NUM_FOR_EDICT(client->edict), ipaddress);
810
811                 SV_StartDemoRecording(client, demofile, -1);
812         }
813
814         //[515]: init csprogs according to version of svprogs, check the crc, etc.
815         if (sv.csqc_progname[0])
816         {
817                 prvm_eval_t *val;
818                 Con_DPrintf("sending csqc info to client (\"%s\" with size %i and crc %i)\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
819                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
820                 MSG_WriteString (&client->netconnection->message, va("csqc_progname %s\n", sv.csqc_progname));
821                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
822                 MSG_WriteString (&client->netconnection->message, va("csqc_progsize %i\n", sv.csqc_progsize));
823                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
824                 MSG_WriteString (&client->netconnection->message, va("csqc_progcrc %i\n", sv.csqc_progcrc));
825
826                 if(client->sv_demo_file != NULL)
827                 {
828                         int i;
829                         char buf[NET_MAXMESSAGE];
830                         sizebuf_t sb;
831
832                         sb.data = (unsigned char *) buf;
833                         sb.maxsize = sizeof(buf);
834                         i = 0;
835                         while(MakeDownloadPacket(sv.csqc_progname, svs.csqc_progdata, sv.csqc_progsize, sv.csqc_progcrc, i++, &sb, sv.protocol))
836                                 SV_WriteDemoMessage(client, &sb, false);
837                 }
838
839                 //[515]: init stufftext string (it is sent before svc_serverinfo)
840                 val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.SV_InitCmd);
841                 if (val)
842                 {
843                         MSG_WriteByte (&client->netconnection->message, svc_stufftext);
844                         MSG_WriteString (&client->netconnection->message, va("%s\n", PRVM_GetString(val->string)));
845                 }
846         }
847
848         //if (sv_allowdownloads.integer)
849         // always send the info that the server supports the protocol, even if downloads are forbidden
850         // only because of that, the CSQC exception can work
851         {
852                 MSG_WriteByte (&client->netconnection->message, svc_stufftext);
853                 MSG_WriteString (&client->netconnection->message, "cl_serverextension_download 2\n");
854         }
855
856         // send at this time so it's guaranteed to get executed at the right time
857         {
858                 client_t *save;
859                 save = host_client;
860                 host_client = client;
861                 Curl_SendRequirements();
862                 host_client = save;
863         }
864
865         MSG_WriteByte (&client->netconnection->message, svc_serverinfo);
866         MSG_WriteLong (&client->netconnection->message, Protocol_NumberForEnum(sv.protocol));
867         MSG_WriteByte (&client->netconnection->message, svs.maxclients);
868
869         if (!coop.integer && deathmatch.integer)
870                 MSG_WriteByte (&client->netconnection->message, GAME_DEATHMATCH);
871         else
872                 MSG_WriteByte (&client->netconnection->message, GAME_COOP);
873
874         MSG_WriteString (&client->netconnection->message,PRVM_GetString(prog->edicts->fields.server->message));
875
876         for (i = 1;i < MAX_MODELS && sv.model_precache[i][0];i++)
877                 MSG_WriteString (&client->netconnection->message, sv.model_precache[i]);
878         MSG_WriteByte (&client->netconnection->message, 0);
879
880         for (i = 1;i < MAX_SOUNDS && sv.sound_precache[i][0];i++)
881                 MSG_WriteString (&client->netconnection->message, sv.sound_precache[i]);
882         MSG_WriteByte (&client->netconnection->message, 0);
883
884 // send music
885         MSG_WriteByte (&client->netconnection->message, svc_cdtrack);
886         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
887         MSG_WriteByte (&client->netconnection->message, (int)prog->edicts->fields.server->sounds);
888
889 // set view
890 // store this in clientcamera, too
891         client->clientcamera = PRVM_NUM_FOR_EDICT(client->edict);
892         MSG_WriteByte (&client->netconnection->message, svc_setview);
893         MSG_WriteShort (&client->netconnection->message, client->clientcamera);
894
895         MSG_WriteByte (&client->netconnection->message, svc_signonnum);
896         MSG_WriteByte (&client->netconnection->message, 1);
897
898         client->spawned = false;                // need prespawn, spawn, etc
899         client->sendsignon = 1;                 // send this message, and increment to 2, 2 will be set to 0 by the prespawn command
900
901         // clear movement info until client enters the new level properly
902         memset(&client->cmd, 0, sizeof(client->cmd));
903         client->movesequence = 0;
904 #ifdef NUM_PING_TIMES
905         for (i = 0;i < NUM_PING_TIMES;i++)
906                 client->ping_times[i] = 0;
907         client->num_pings = 0;
908 #endif
909         client->ping = 0;
910
911         // allow the client some time to send his keepalives, even if map loading took ages
912         client->netconnection->timeout = realtime + net_connecttimeout.value;
913 }
914
915 /*
916 ================
917 SV_ConnectClient
918
919 Initializes a client_t for a new net connection.  This will only be called
920 once for a player each game, not once for each level change.
921 ================
922 */
923 void SV_ConnectClient (int clientnum, netconn_t *netconnection)
924 {
925         client_t                *client;
926         int                             i;
927         float                   spawn_parms[NUM_SPAWN_PARMS];
928
929         client = svs.clients + clientnum;
930
931 // set up the client_t
932         if (sv.loadgame)
933                 memcpy (spawn_parms, client->spawn_parms, sizeof(spawn_parms));
934         memset (client, 0, sizeof(*client));
935         client->active = true;
936         client->netconnection = netconnection;
937
938         Con_DPrintf("Client %s connected\n", client->netconnection ? client->netconnection->address : "botclient");
939
940         strlcpy(client->name, "unconnected", sizeof(client->name));
941         strlcpy(client->old_name, "unconnected", sizeof(client->old_name));
942         client->spawned = false;
943         client->edict = PRVM_EDICT_NUM(clientnum+1);
944         if (client->netconnection)
945                 client->netconnection->message.allowoverflow = true;            // we can catch it
946         // prepare the unreliable message buffer
947         client->unreliablemsg.data = client->unreliablemsg_data;
948         client->unreliablemsg.maxsize = sizeof(client->unreliablemsg_data);
949         // updated by receiving "rate" command from client, this is also the default if not using a DP client
950         client->rate = 1000000000;
951         // no limits for local player
952         if (client->netconnection && LHNETADDRESS_GetAddressType(&client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP)
953                 client->rate = 1000000000;
954         client->connecttime = realtime;
955
956         if (sv.loadgame)
957                 memcpy (client->spawn_parms, spawn_parms, sizeof(spawn_parms));
958         else
959         {
960                 // call the progs to get default spawn parms for the new client
961                 // set self to world to intentionally cause errors with broken SetNewParms code in some mods
962                 prog->globals.server->self = 0;
963                 PRVM_ExecuteProgram (prog->globals.server->SetNewParms, "QC function SetNewParms is missing");
964                 for (i=0 ; i<NUM_SPAWN_PARMS ; i++)
965                         client->spawn_parms[i] = (&prog->globals.server->parm1)[i];
966
967                 // set up the entity for this client (including .colormap, .team, etc)
968                 PRVM_ED_ClearEdict(client->edict);
969         }
970
971         // don't call SendServerinfo for a fresh botclient because its fields have
972         // not been set up by the qc yet
973         if (client->netconnection)
974                 SV_SendServerinfo (client);
975         else
976                 client->spawned = true;
977 }
978
979
980 /*
981 ===============================================================================
982
983 FRAME UPDATES
984
985 ===============================================================================
986 */
987
988 /*
989 =============================================================================
990
991 The PVS must include a small area around the client to allow head bobbing
992 or other small motion on the client side.  Otherwise, a bob might cause an
993 entity that should be visible to not show up, especially when the bob
994 crosses a waterline.
995
996 =============================================================================
997 */
998
999 static qboolean SV_PrepareEntityForSending (prvm_edict_t *ent, entity_state_t *cs, int enumber)
1000 {
1001         int i;
1002         unsigned int sendflags;
1003         unsigned int version;
1004         unsigned int modelindex, effects, flags, glowsize, lightstyle, lightpflags, light[4], specialvisibilityradius;
1005         unsigned int customizeentityforclient;
1006         float f;
1007         vec3_t cullmins, cullmaxs;
1008         dp_model_t *model;
1009         prvm_eval_t *val, *val2;
1010
1011         // this 2 billion unit check is actually to detect NAN origins
1012         // (we really don't want to send those)
1013         if (!(VectorLength2(ent->fields.server->origin) < 2000000000.0*2000000000.0))
1014                 return false;
1015
1016         // EF_NODRAW prevents sending for any reason except for your own
1017         // client, so we must keep all clients in this superset
1018         effects = (unsigned)ent->fields.server->effects;
1019
1020         // we can omit invisible entities with no effects that are not clients
1021         // LordHavoc: this could kill tags attached to an invisible entity, I
1022         // just hope we never have to support that case
1023         i = (int)ent->fields.server->modelindex;
1024         modelindex = (i >= 1 && i < MAX_MODELS && ent->fields.server->model && *PRVM_GetString(ent->fields.server->model)) ? i : 0;
1025
1026         flags = 0;
1027         i = (int)(PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_size)->_float * 0.25f);
1028         glowsize = (unsigned char)bound(0, i, 255);
1029         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_trail)->_float)
1030                 flags |= RENDER_GLOWTRAIL;
1031         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict)
1032                 flags |= RENDER_VIEWMODEL;
1033
1034         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[0]*256;
1035         light[0] = (unsigned short)bound(0, f, 65535);
1036         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[1]*256;
1037         light[1] = (unsigned short)bound(0, f, 65535);
1038         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.color)->vector[2]*256;
1039         light[2] = (unsigned short)bound(0, f, 65535);
1040         f = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.light_lev)->_float;
1041         light[3] = (unsigned short)bound(0, f, 65535);
1042         lightstyle = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.style)->_float;
1043         lightpflags = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float;
1044
1045         if (gamemode == GAME_TENEBRAE)
1046         {
1047                 // tenebrae's EF_FULLDYNAMIC conflicts with Q2's EF_NODRAW
1048                 if (effects & 16)
1049                 {
1050                         effects &= ~16;
1051                         lightpflags |= PFLAGS_FULLDYNAMIC;
1052                 }
1053                 // tenebrae's EF_GREEN conflicts with DP's EF_ADDITIVE
1054                 if (effects & 32)
1055                 {
1056                         effects &= ~32;
1057                         light[0] = (int)(0.2*256);
1058                         light[1] = (int)(1.0*256);
1059                         light[2] = (int)(0.2*256);
1060                         light[3] = 200;
1061                         lightpflags |= PFLAGS_FULLDYNAMIC;
1062                 }
1063         }
1064
1065         specialvisibilityradius = 0;
1066         if (lightpflags & PFLAGS_FULLDYNAMIC)
1067                 specialvisibilityradius = max(specialvisibilityradius, light[3]);
1068         if (glowsize)
1069                 specialvisibilityradius = max(specialvisibilityradius, glowsize * 4);
1070         if (flags & RENDER_GLOWTRAIL)
1071                 specialvisibilityradius = max(specialvisibilityradius, 100);
1072         if (effects & (EF_BRIGHTFIELD | EF_MUZZLEFLASH | EF_BRIGHTLIGHT | EF_DIMLIGHT | EF_RED | EF_BLUE | EF_FLAME | EF_STARDUST))
1073         {
1074                 if (effects & EF_BRIGHTFIELD)
1075                         specialvisibilityradius = max(specialvisibilityradius, 80);
1076                 if (effects & EF_MUZZLEFLASH)
1077                         specialvisibilityradius = max(specialvisibilityradius, 100);
1078                 if (effects & EF_BRIGHTLIGHT)
1079                         specialvisibilityradius = max(specialvisibilityradius, 400);
1080                 if (effects & EF_DIMLIGHT)
1081                         specialvisibilityradius = max(specialvisibilityradius, 200);
1082                 if (effects & EF_RED)
1083                         specialvisibilityradius = max(specialvisibilityradius, 200);
1084                 if (effects & EF_BLUE)
1085                         specialvisibilityradius = max(specialvisibilityradius, 200);
1086                 if (effects & EF_FLAME)
1087                         specialvisibilityradius = max(specialvisibilityradius, 250);
1088                 if (effects & EF_STARDUST)
1089                         specialvisibilityradius = max(specialvisibilityradius, 100);
1090         }
1091
1092         // early culling checks
1093         // (final culling is done by SV_MarkWriteEntityStateToClient)
1094         customizeentityforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.customizeentityforclient)->function;
1095         if (!customizeentityforclient && enumber > svs.maxclients && (!modelindex && !specialvisibilityradius))
1096                 return false;
1097
1098         *cs = defaultstate;
1099         cs->active = true;
1100         cs->number = enumber;
1101         VectorCopy(ent->fields.server->origin, cs->origin);
1102         VectorCopy(ent->fields.server->angles, cs->angles);
1103         cs->flags = flags;
1104         cs->effects = effects;
1105         cs->colormap = (unsigned)ent->fields.server->colormap;
1106         cs->modelindex = modelindex;
1107         cs->skin = (unsigned)ent->fields.server->skin;
1108         cs->frame = (unsigned)ent->fields.server->frame;
1109         cs->viewmodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewmodelforclient)->edict;
1110         cs->exteriormodelforclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.exteriormodeltoclient)->edict;
1111         cs->nodrawtoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.nodrawtoclient)->edict;
1112         cs->drawonlytoclient = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.drawonlytoclient)->edict;
1113         cs->customizeentityforclient = customizeentityforclient;
1114         cs->tagentity = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_entity)->edict;
1115         cs->tagindex = (unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.tag_index)->_float;
1116         cs->glowsize = glowsize;
1117
1118         // don't need to init cs->colormod because the defaultstate did that for us
1119         //cs->colormod[0] = cs->colormod[1] = cs->colormod[2] = 32;
1120         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.colormod);
1121         if (val->vector[0] || val->vector[1] || val->vector[2])
1122         {
1123                 i = (int)(val->vector[0] * 32.0f);cs->colormod[0] = bound(0, i, 255);
1124                 i = (int)(val->vector[1] * 32.0f);cs->colormod[1] = bound(0, i, 255);
1125                 i = (int)(val->vector[2] * 32.0f);cs->colormod[2] = bound(0, i, 255);
1126         }
1127
1128         cs->modelindex = modelindex;
1129
1130         cs->alpha = 255;
1131         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.alpha)->_float * 255.0f);
1132         if (f)
1133         {
1134                 i = (int)f;
1135                 cs->alpha = (unsigned char)bound(0, i, 255);
1136         }
1137         // halflife
1138         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.renderamt)->_float);
1139         if (f)
1140         {
1141                 i = (int)f;
1142                 cs->alpha = (unsigned char)bound(0, i, 255);
1143         }
1144
1145         cs->scale = 16;
1146         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.scale)->_float * 16.0f);
1147         if (f)
1148         {
1149                 i = (int)f;
1150                 cs->scale = (unsigned char)bound(0, i, 255);
1151         }
1152
1153         cs->glowcolor = 254;
1154         f = (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.glow_color)->_float);
1155         if (f)
1156                 cs->glowcolor = (int)f;
1157
1158         if (PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.fullbright)->_float)
1159                 cs->effects |= EF_FULLBRIGHT;
1160
1161         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.modelflags);
1162         if (val && val->_float)
1163                 cs->effects |= ((unsigned int)val->_float & 0xff) << 24;
1164
1165         if (ent->fields.server->movetype == MOVETYPE_STEP)
1166                 cs->flags |= RENDER_STEP;
1167         if (cs->number != sv.writeentitiestoclient_cliententitynumber && (cs->effects & EF_LOWPRECISION) && cs->origin[0] >= -32768 && cs->origin[1] >= -32768 && cs->origin[2] >= -32768 && cs->origin[0] <= 32767 && cs->origin[1] <= 32767 && cs->origin[2] <= 32767)
1168                 cs->flags |= RENDER_LOWPRECISION;
1169         if (ent->fields.server->colormap >= 1024)
1170                 cs->flags |= RENDER_COLORMAPPED;
1171         if (cs->viewmodelforclient)
1172                 cs->flags |= RENDER_VIEWMODEL; // show relative to the view
1173
1174         cs->light[0] = light[0];
1175         cs->light[1] = light[1];
1176         cs->light[2] = light[2];
1177         cs->light[3] = light[3];
1178         cs->lightstyle = lightstyle;
1179         cs->lightpflags = lightpflags;
1180
1181         cs->specialvisibilityradius = specialvisibilityradius;
1182
1183         // calculate the visible box of this entity (don't use the physics box
1184         // as that is often smaller than a model, and would not count
1185         // specialvisibilityradius)
1186         if ((model = sv.models[modelindex]) && (model->type != mod_null))
1187         {
1188                 float scale = cs->scale * (1.0f / 16.0f);
1189                 if (cs->angles[0] || cs->angles[2]) // pitch and roll
1190                 {
1191                         VectorMA(cs->origin, scale, model->rotatedmins, cullmins);
1192                         VectorMA(cs->origin, scale, model->rotatedmaxs, cullmaxs);
1193                 }
1194                 else if (cs->angles[1])
1195                 {
1196                         VectorMA(cs->origin, scale, model->yawmins, cullmins);
1197                         VectorMA(cs->origin, scale, model->yawmaxs, cullmaxs);
1198                 }
1199                 else
1200                 {
1201                         VectorMA(cs->origin, scale, model->normalmins, cullmins);
1202                         VectorMA(cs->origin, scale, model->normalmaxs, cullmaxs);
1203                 }
1204         }
1205         else
1206         {
1207                 // if there is no model (or it could not be loaded), use the physics box
1208                 VectorAdd(cs->origin, ent->fields.server->mins, cullmins);
1209                 VectorAdd(cs->origin, ent->fields.server->maxs, cullmaxs);
1210         }
1211         if (specialvisibilityradius)
1212         {
1213                 cullmins[0] = min(cullmins[0], cs->origin[0] - specialvisibilityradius);
1214                 cullmins[1] = min(cullmins[1], cs->origin[1] - specialvisibilityradius);
1215                 cullmins[2] = min(cullmins[2], cs->origin[2] - specialvisibilityradius);
1216                 cullmaxs[0] = max(cullmaxs[0], cs->origin[0] + specialvisibilityradius);
1217                 cullmaxs[1] = max(cullmaxs[1], cs->origin[1] + specialvisibilityradius);
1218                 cullmaxs[2] = max(cullmaxs[2], cs->origin[2] + specialvisibilityradius);
1219         }
1220
1221         // calculate center of bbox for network prioritization purposes
1222         VectorMAM(0.5f, cullmins, 0.5f, cullmaxs, cs->netcenter);
1223
1224         // if culling box has moved, update pvs cluster links
1225         if (!VectorCompare(cullmins, ent->priv.server->cullmins) || !VectorCompare(cullmaxs, ent->priv.server->cullmaxs))
1226         {
1227                 VectorCopy(cullmins, ent->priv.server->cullmins);
1228                 VectorCopy(cullmaxs, ent->priv.server->cullmaxs);
1229                 // a value of -1 for pvs_numclusters indicates that the links are not
1230                 // cached, and should be re-tested each time, this is the case if the
1231                 // culling box touches too many pvs clusters to store, or if the world
1232                 // model does not support FindBoxClusters
1233                 ent->priv.server->pvs_numclusters = -1;
1234                 if (sv.worldmodel && sv.worldmodel->brush.FindBoxClusters)
1235                 {
1236                         i = sv.worldmodel->brush.FindBoxClusters(sv.worldmodel, cullmins, cullmaxs, MAX_ENTITYCLUSTERS, ent->priv.server->pvs_clusterlist);
1237                         if (i <= MAX_ENTITYCLUSTERS)
1238                                 ent->priv.server->pvs_numclusters = i;
1239                 }
1240         }
1241
1242         // we need to do some csqc entity upkeep here
1243         // get self.SendFlags and clear them
1244         // (to let the QC know that they've been read)
1245         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendEntity);
1246         if (val->function)
1247         {
1248                 val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.SendFlags);
1249                 sendflags = (unsigned int)val->_float;
1250                 val->_float = 0;
1251                 // legacy self.Version system
1252                 val2 = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.Version);
1253                 if (val2->_float)
1254                 {
1255                         version = (unsigned int)val2->_float;
1256                         if (sv.csqcentityversion[enumber] != version)
1257                                 sendflags = 0xFFFFFF;
1258                         sv.csqcentityversion[enumber] = version;
1259                 }
1260                 // move sendflags into the per-client sendflags
1261                 if (sendflags)
1262                         for (i = 0;i < svs.maxclients;i++)
1263                                 svs.clients[i].csqcentitysendflags[enumber] |= sendflags;
1264         }
1265
1266         return true;
1267 }
1268
1269 void SV_PrepareEntitiesForSending(void)
1270 {
1271         int e;
1272         prvm_edict_t *ent;
1273         // send all entities that touch the pvs
1274         sv.numsendentities = 0;
1275         sv.sendentitiesindex[0] = NULL;
1276         memset(sv.sendentitiesindex, 0, prog->num_edicts * sizeof(*sv.sendentitiesindex));
1277         for (e = 1, ent = PRVM_NEXT_EDICT(prog->edicts);e < prog->num_edicts;e++, ent = PRVM_NEXT_EDICT(ent))
1278         {
1279                 if (!ent->priv.server->free && SV_PrepareEntityForSending(ent, sv.sendentities + sv.numsendentities, e))
1280                 {
1281                         sv.sendentitiesindex[e] = sv.sendentities + sv.numsendentities;
1282                         sv.numsendentities++;
1283                 }
1284         }
1285 }
1286
1287 void SV_MarkWriteEntityStateToClient(entity_state_t *s)
1288 {
1289         int isbmodel;
1290         dp_model_t *model;
1291         prvm_edict_t *ed;
1292         if (sv.sententitiesconsideration[s->number] == sv.sententitiesmark)
1293                 return;
1294         sv.sententitiesconsideration[s->number] = sv.sententitiesmark;
1295         sv.writeentitiestoclient_stats_totalentities++;
1296
1297         if (s->customizeentityforclient)
1298         {
1299                 prog->globals.server->self = s->number;
1300                 prog->globals.server->other = sv.writeentitiestoclient_cliententitynumber;
1301                 PRVM_ExecuteProgram(s->customizeentityforclient, "customizeentityforclient: NULL function");
1302                 if(!PRVM_G_FLOAT(OFS_RETURN) || !SV_PrepareEntityForSending(PRVM_EDICT_NUM(s->number), s, s->number))
1303                         return;
1304         }
1305
1306         // never reject player
1307         if (s->number != sv.writeentitiestoclient_cliententitynumber)
1308         {
1309                 // check various rejection conditions
1310                 if (s->nodrawtoclient == sv.writeentitiestoclient_cliententitynumber)
1311                         return;
1312                 if (s->drawonlytoclient && s->drawonlytoclient != sv.writeentitiestoclient_cliententitynumber)
1313                         return;
1314                 if (s->effects & EF_NODRAW)
1315                         return;
1316                 // LordHavoc: only send entities with a model or important effects
1317                 if (!s->modelindex && s->specialvisibilityradius == 0)
1318                         return;
1319
1320                 isbmodel = (model = sv.models[s->modelindex]) != NULL && model->name[0] == '*';
1321                 // viewmodels don't have visibility checking
1322                 if (s->viewmodelforclient)
1323                 {
1324                         if (s->viewmodelforclient != sv.writeentitiestoclient_cliententitynumber)
1325                                 return;
1326                 }
1327                 else if (s->tagentity)
1328                 {
1329                         // tag attached entities simply check their parent
1330                         if (!sv.sendentitiesindex[s->tagentity])
1331                                 return;
1332                         SV_MarkWriteEntityStateToClient(sv.sendentitiesindex[s->tagentity]);
1333                         if (sv.sententities[s->tagentity] != sv.sententitiesmark)
1334                                 return;
1335                 }
1336                 // always send world submodels in newer protocols because they don't
1337                 // generate much traffic (in old protocols they hog bandwidth)
1338                 // but only if sv_cullentities_nevercullbmodels is off
1339                 else if (!(s->effects & EF_NODEPTHTEST) && (!isbmodel || !sv_cullentities_nevercullbmodels.integer || sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE))
1340                 {
1341                         // entity has survived every check so far, check if visible
1342                         ed = PRVM_EDICT_NUM(s->number);
1343
1344                         // if not touching a visible leaf
1345                         if (sv_cullentities_pvs.integer && !r_novis.integer && sv.writeentitiestoclient_pvsbytes)
1346                         {
1347                                 if (ed->priv.server->pvs_numclusters < 0)
1348                                 {
1349                                         // entity too big for clusters list
1350                                         if (sv.worldmodel && sv.worldmodel->brush.BoxTouchingPVS && !sv.worldmodel->brush.BoxTouchingPVS(sv.worldmodel, sv.writeentitiestoclient_pvs, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1351                                         {
1352                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1353                                                 return;
1354                                         }
1355                                 }
1356                                 else
1357                                 {
1358                                         int i;
1359                                         // check cached clusters list
1360                                         for (i = 0;i < ed->priv.server->pvs_numclusters;i++)
1361                                                 if (CHECKPVSBIT(sv.writeentitiestoclient_pvs, ed->priv.server->pvs_clusterlist[i]))
1362                                                         break;
1363                                         if (i == ed->priv.server->pvs_numclusters)
1364                                         {
1365                                                 sv.writeentitiestoclient_stats_culled_pvs++;
1366                                                 return;
1367                                         }
1368                                 }
1369                         }
1370
1371                         // or not seen by random tracelines
1372                         if (sv_cullentities_trace.integer && !isbmodel && sv.worldmodel->brush.TraceLineOfSight)
1373                         {
1374                                 int samples =
1375                                         s->number <= svs.maxclients
1376                                                 ? sv_cullentities_trace_samples_players.integer
1377                                                 :
1378                                         s->specialvisibilityradius
1379                                                 ? sv_cullentities_trace_samples_extra.integer
1380                                                 : sv_cullentities_trace_samples.integer;
1381                                 float enlarge = sv_cullentities_trace_enlarge.value;
1382
1383                                 qboolean visible = TRUE;
1384
1385                                 if(samples > 0)
1386                                 {
1387                                         do
1388                                         {
1389                                                 if(Mod_CanSeeBox_Trace(samples, enlarge, sv.worldmodel, sv.writeentitiestoclient_testeye, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1390                                                         break; // directly visible from the server's view
1391
1392                                                 if(sv_cullentities_trace_prediction.integer)
1393                                                 {
1394                                                         vec3_t predeye;
1395
1396                                                         // get player velocity
1397                                                         float predtime = bound(0, host_client->ping, 0.2); // / 2
1398                                                                 // sorry, no wallhacking by high ping please, and at 200ms
1399                                                                 // ping a FPS is annoying to play anyway and a player is
1400                                                                 // likely to have changed his direction
1401                                                         VectorMA(sv.writeentitiestoclient_testeye, predtime, host_client->edict->fields.server->velocity, predeye);
1402                                                         if(sv.worldmodel->brush.TraceLineOfSight(sv.worldmodel, sv.writeentitiestoclient_testeye, predeye)) // must be able to go there...
1403                                                         {
1404                                                                 if(Mod_CanSeeBox_Trace(samples, enlarge, sv.worldmodel, predeye, ed->priv.server->cullmins, ed->priv.server->cullmaxs))
1405                                                                         break; // directly visible from the predicted view
1406                                                         }
1407                                                         else
1408                                                         {
1409                                                                 //Con_DPrintf("Trying to walk into solid in a pingtime... not predicting for culling\n");
1410                                                         }
1411                                                 }
1412
1413                                                 // when we get here, we can't see the entity
1414                                                 visible = false;
1415                                         }
1416                                         while(0);
1417
1418                                         if(visible)
1419                                                 svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number] =
1420                                                         realtime + (
1421                                                                 s->number <= svs.maxclients
1422                                                                         ? sv_cullentities_trace_delay_players.value
1423                                                                         : sv_cullentities_trace_delay.value
1424                                                         );
1425                                         else if (realtime > svs.clients[sv.writeentitiestoclient_clientnumber].visibletime[s->number])
1426                                         {
1427                                                 sv.writeentitiestoclient_stats_culled_trace++;
1428                                                 return;
1429                                         }
1430                                 }
1431                         }
1432                 }
1433         }
1434
1435         // this just marks it for sending
1436         // FIXME: it would be more efficient to send here, but the entity
1437         // compressor isn't that flexible
1438         sv.writeentitiestoclient_stats_visibleentities++;
1439         sv.sententities[s->number] = sv.sententitiesmark;
1440 }
1441
1442 void SV_WriteEntitiesToClient(client_t *client, prvm_edict_t *clent, sizebuf_t *msg, int maxsize)
1443 {
1444         qboolean need_empty = false;
1445         int i, numsendstates;
1446         entity_state_t *s;
1447         prvm_edict_t *camera;
1448         qboolean success;
1449
1450         // if there isn't enough space to accomplish anything, skip it
1451         if (msg->cursize + 25 > maxsize)
1452                 return;
1453
1454         sv.writeentitiestoclient_msg = msg;
1455         sv.writeentitiestoclient_clientnumber = client - svs.clients;
1456
1457         sv.writeentitiestoclient_stats_culled_pvs = 0;
1458         sv.writeentitiestoclient_stats_culled_trace = 0;
1459         sv.writeentitiestoclient_stats_visibleentities = 0;
1460         sv.writeentitiestoclient_stats_totalentities = 0;
1461
1462 // find the client's PVS
1463         // the real place being tested from
1464         camera = PRVM_EDICT_NUM( client->clientcamera );
1465         VectorAdd(camera->fields.server->origin, clent->fields.server->view_ofs, sv.writeentitiestoclient_testeye);
1466         sv.writeentitiestoclient_pvsbytes = 0;
1467         if (sv.worldmodel && sv.worldmodel->brush.FatPVS)
1468                 sv.writeentitiestoclient_pvsbytes = sv.worldmodel->brush.FatPVS(sv.worldmodel, sv.writeentitiestoclient_testeye, 8, sv.writeentitiestoclient_pvs, sizeof(sv.writeentitiestoclient_pvs), false);
1469
1470         sv.writeentitiestoclient_cliententitynumber = PRVM_EDICT_TO_PROG(clent); // LordHavoc: for comparison purposes
1471
1472         sv.sententitiesmark++;
1473
1474         for (i = 0;i < sv.numsendentities;i++)
1475                 SV_MarkWriteEntityStateToClient(sv.sendentities + i);
1476
1477         numsendstates = 0;
1478         for (i = 0;i < sv.numsendentities;i++)
1479         {
1480                 if (sv.sententities[sv.sendentities[i].number] == sv.sententitiesmark)
1481                 {
1482                         s = &sv.writeentitiestoclient_sendstates[numsendstates++];
1483                         *s = sv.sendentities[i];
1484                         if (s->exteriormodelforclient && s->exteriormodelforclient == sv.writeentitiestoclient_cliententitynumber)
1485                                 s->flags |= RENDER_EXTERIORMODEL;
1486                 }
1487         }
1488
1489         if (sv_cullentities_stats.integer)
1490                 Con_Printf("client \"%s\" entities: %d total, %d visible, %d culled by: %d pvs %d trace\n", client->name, sv.writeentitiestoclient_stats_totalentities, sv.writeentitiestoclient_stats_visibleentities, sv.writeentitiestoclient_stats_culled_pvs + sv.writeentitiestoclient_stats_culled_trace, sv.writeentitiestoclient_stats_culled_pvs, sv.writeentitiestoclient_stats_culled_trace);
1491
1492         if(client->entitydatabase5)
1493                 need_empty = EntityFrameCSQC_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates, client->entitydatabase5->latestframenum + 1);
1494         else
1495                 EntityFrameCSQC_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates, 0);
1496
1497         if(client->num_skippedentityframes >= 10)
1498                 need_empty = true; // force every 10th frame to be not empty (or cl_movement replay takes too long)
1499
1500         if (client->entitydatabase5)
1501                 success = EntityFrame5_WriteFrame(msg, maxsize, client->entitydatabase5, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1, client->movesequence, need_empty);
1502         else if (client->entitydatabase4)
1503         {
1504                 success = EntityFrame4_WriteFrame(msg, maxsize, client->entitydatabase4, numsendstates, sv.writeentitiestoclient_sendstates);
1505                 Protocol_WriteStatsReliable();
1506         }
1507         else if (client->entitydatabase)
1508         {
1509                 success = EntityFrame_WriteFrame(msg, maxsize, client->entitydatabase, numsendstates, sv.writeentitiestoclient_sendstates, client - svs.clients + 1);
1510                 Protocol_WriteStatsReliable();
1511         }
1512         else
1513         {
1514                 success = EntityFrameQuake_WriteFrame(msg, maxsize, numsendstates, sv.writeentitiestoclient_sendstates);
1515                 Protocol_WriteStatsReliable();
1516         }
1517
1518         if(success)
1519                 client->num_skippedentityframes = 0;
1520         else
1521                 ++client->num_skippedentityframes;
1522 }
1523
1524 /*
1525 =============
1526 SV_CleanupEnts
1527
1528 =============
1529 */
1530 static void SV_CleanupEnts (void)
1531 {
1532         int             e;
1533         prvm_edict_t    *ent;
1534
1535         ent = PRVM_NEXT_EDICT(prog->edicts);
1536         for (e=1 ; e<prog->num_edicts ; e++, ent = PRVM_NEXT_EDICT(ent))
1537                 ent->fields.server->effects = (int)ent->fields.server->effects & ~EF_MUZZLEFLASH;
1538 }
1539
1540 /*
1541 ==================
1542 SV_WriteClientdataToMessage
1543
1544 ==================
1545 */
1546 void SV_WriteClientdataToMessage (client_t *client, prvm_edict_t *ent, sizebuf_t *msg, int *stats)
1547 {
1548         int             bits;
1549         int             i;
1550         prvm_edict_t    *other;
1551         int             items;
1552         prvm_eval_t     *val;
1553         vec3_t  punchvector;
1554         int             viewzoom;
1555         const char *s;
1556         float   *statsf = (float *)stats;
1557
1558 //
1559 // send a damage message
1560 //
1561         if (ent->fields.server->dmg_take || ent->fields.server->dmg_save)
1562         {
1563                 other = PRVM_PROG_TO_EDICT(ent->fields.server->dmg_inflictor);
1564                 MSG_WriteByte (msg, svc_damage);
1565                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_save);
1566                 MSG_WriteByte (msg, (int)ent->fields.server->dmg_take);
1567                 for (i=0 ; i<3 ; i++)
1568                         MSG_WriteCoord (msg, other->fields.server->origin[i] + 0.5*(other->fields.server->mins[i] + other->fields.server->maxs[i]), sv.protocol);
1569
1570                 ent->fields.server->dmg_take = 0;
1571                 ent->fields.server->dmg_save = 0;
1572         }
1573
1574 //
1575 // send the current viewpos offset from the view entity
1576 //
1577         SV_SetIdealPitch ();            // how much to look up / down ideally
1578
1579 // a fixangle might get lost in a dropped packet.  Oh well.
1580         if(ent->fields.server->fixangle)
1581         {
1582                 // angle fixing was requested by global thinking code...
1583                 // so store the current angles for later use
1584                 memcpy(host_client->fixangle_angles, ent->fields.server->angles, sizeof(host_client->fixangle_angles));
1585                 host_client->fixangle_angles_set = TRUE;
1586
1587                 // and clear fixangle for the next frame
1588                 ent->fields.server->fixangle = 0;
1589         }
1590
1591         if (host_client->fixangle_angles_set)
1592         {
1593                 MSG_WriteByte (msg, svc_setangle);
1594                 for (i=0 ; i < 3 ; i++)
1595                         MSG_WriteAngle (msg, host_client->fixangle_angles[i], sv.protocol);
1596                 host_client->fixangle_angles_set = FALSE;
1597         }
1598
1599         // stuff the sigil bits into the high bits of items for sbar, or else
1600         // mix in items2
1601         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.items2);
1602         if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE)
1603                 items = (int)ent->fields.server->items | ((int)val->_float << 23);
1604         else
1605                 items = (int)ent->fields.server->items | ((int)prog->globals.server->serverflags << 28);
1606
1607         VectorClear(punchvector);
1608         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.punchvector)))
1609                 VectorCopy(val->vector, punchvector);
1610
1611         // cache weapon model name and index in client struct to save time
1612         // (this search can be almost 1% of cpu time!)
1613         s = PRVM_GetString(ent->fields.server->weaponmodel);
1614         if (strcmp(s, client->weaponmodel))
1615         {
1616                 strlcpy(client->weaponmodel, s, sizeof(client->weaponmodel));
1617                 client->weaponmodelindex = SV_ModelIndex(s, 1);
1618         }
1619
1620         viewzoom = 255;
1621         if ((val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.viewzoom)))
1622                 viewzoom = (int)(val->_float * 255.0f);
1623         if (viewzoom == 0)
1624                 viewzoom = 255;
1625
1626         bits = 0;
1627
1628         if ((int)ent->fields.server->flags & FL_ONGROUND)
1629                 bits |= SU_ONGROUND;
1630         if (ent->fields.server->waterlevel >= 2)
1631                 bits |= SU_INWATER;
1632         if (ent->fields.server->idealpitch)
1633                 bits |= SU_IDEALPITCH;
1634
1635         for (i=0 ; i<3 ; i++)
1636         {
1637                 if (ent->fields.server->punchangle[i])
1638                         bits |= (SU_PUNCH1<<i);
1639                 if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3)
1640                         if (punchvector[i])
1641                                 bits |= (SU_PUNCHVEC1<<i);
1642                 if (ent->fields.server->velocity[i])
1643                         bits |= (SU_VELOCITY1<<i);
1644         }
1645
1646         memset(stats, 0, sizeof(int[MAX_CL_STATS]));
1647         stats[STAT_VIEWHEIGHT] = (int)ent->fields.server->view_ofs[2];
1648         stats[STAT_ITEMS] = items;
1649         stats[STAT_WEAPONFRAME] = (int)ent->fields.server->weaponframe;
1650         stats[STAT_ARMOR] = (int)ent->fields.server->armorvalue;
1651         stats[STAT_WEAPON] = client->weaponmodelindex;
1652         stats[STAT_HEALTH] = (int)ent->fields.server->health;
1653         stats[STAT_AMMO] = (int)ent->fields.server->currentammo;
1654         stats[STAT_SHELLS] = (int)ent->fields.server->ammo_shells;
1655         stats[STAT_NAILS] = (int)ent->fields.server->ammo_nails;
1656         stats[STAT_ROCKETS] = (int)ent->fields.server->ammo_rockets;
1657         stats[STAT_CELLS] = (int)ent->fields.server->ammo_cells;
1658         stats[STAT_ACTIVEWEAPON] = (int)ent->fields.server->weapon;
1659         stats[STAT_VIEWZOOM] = viewzoom;
1660         stats[STAT_TOTALSECRETS] = (int)prog->globals.server->total_secrets;
1661         stats[STAT_TOTALMONSTERS] = (int)prog->globals.server->total_monsters;
1662         // the QC bumps these itself by sending svc_'s, so we have to keep them
1663         // zero or they'll be corrected by the engine
1664         //stats[STAT_SECRETS] = prog->globals.server->found_secrets;
1665         //stats[STAT_MONSTERS] = prog->globals.server->killed_monsters;
1666
1667         // movement settings for prediction
1668         // note: these are not sent in protocols with lower MAX_CL_STATS limits
1669         statsf[STAT_MOVEVARS_TICRATE] = sys_ticrate.value;
1670         statsf[STAT_MOVEVARS_TIMESCALE] = slowmo.value;
1671         statsf[STAT_MOVEVARS_GRAVITY] = sv_gravity.value;
1672         statsf[STAT_MOVEVARS_STOPSPEED] = sv_stopspeed.value;
1673         statsf[STAT_MOVEVARS_MAXSPEED] = sv_maxspeed.value;
1674         statsf[STAT_MOVEVARS_SPECTATORMAXSPEED] = sv_maxspeed.value; // FIXME: QW has a separate cvar for this
1675         statsf[STAT_MOVEVARS_ACCELERATE] = sv_accelerate.value;
1676         statsf[STAT_MOVEVARS_AIRACCELERATE] = sv_airaccelerate.value >= 0 ? sv_airaccelerate.value : sv_accelerate.value;
1677         statsf[STAT_MOVEVARS_WATERACCELERATE] = sv_wateraccelerate.value >= 0 ? sv_wateraccelerate.value : sv_accelerate.value;
1678         val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
1679         statsf[STAT_MOVEVARS_ENTGRAVITY] = (val && val->_float != 0) ? val->_float : 1.0f;
1680         statsf[STAT_MOVEVARS_JUMPVELOCITY] = sv_jumpvelocity.value;
1681         statsf[STAT_MOVEVARS_EDGEFRICTION] = sv_edgefriction.value;
1682         statsf[STAT_MOVEVARS_MAXAIRSPEED] = sv_maxairspeed.value;
1683         statsf[STAT_MOVEVARS_STEPHEIGHT] = sv_stepheight.value;
1684         statsf[STAT_MOVEVARS_AIRACCEL_QW] = sv_airaccel_qw.value;
1685         statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION] = sv_airaccel_sideways_friction.value;
1686         statsf[STAT_MOVEVARS_FRICTION] = sv_friction.value;
1687         statsf[STAT_MOVEVARS_WATERFRICTION] = sv_waterfriction.value >= 0 ? sv_waterfriction.value : sv_friction.value;
1688         statsf[STAT_MOVEVARS_AIRSTOPACCELERATE] = sv_airstopaccelerate.value;
1689         statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE] = sv_airstrafeaccelerate.value;
1690         statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED] = sv_maxairstrafespeed.value;
1691         statsf[STAT_MOVEVARS_AIRCONTROL] = sv_aircontrol.value;
1692         statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL] = sv_warsowbunny_airforwardaccel.value;
1693         statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL] = sv_warsowbunny_accel.value;
1694         statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED] = sv_warsowbunny_topspeed.value;
1695         statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL] = sv_warsowbunny_turnaccel.value;
1696         statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO] = sv_warsowbunny_backtosideratio.value;
1697         statsf[STAT_FRAGLIMIT] = fraglimit.value;
1698         statsf[STAT_TIMELIMIT] = timelimit.value;
1699
1700         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1701         {
1702                 if (stats[STAT_VIEWHEIGHT] != DEFAULT_VIEWHEIGHT) bits |= SU_VIEWHEIGHT;
1703                 bits |= SU_ITEMS;
1704                 if (stats[STAT_WEAPONFRAME]) bits |= SU_WEAPONFRAME;
1705                 if (stats[STAT_ARMOR]) bits |= SU_ARMOR;
1706                 bits |= SU_WEAPON;
1707                 // FIXME: which protocols support this?  does PROTOCOL_DARKPLACES3 support viewzoom?
1708                 if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
1709                         if (viewzoom != 255)
1710                                 bits |= SU_VIEWZOOM;
1711         }
1712
1713         if (bits >= 65536)
1714                 bits |= SU_EXTEND1;
1715         if (bits >= 16777216)
1716                 bits |= SU_EXTEND2;
1717
1718         // send the data
1719         MSG_WriteByte (msg, svc_clientdata);
1720         MSG_WriteShort (msg, bits);
1721         if (bits & SU_EXTEND1)
1722                 MSG_WriteByte(msg, bits >> 16);
1723         if (bits & SU_EXTEND2)
1724                 MSG_WriteByte(msg, bits >> 24);
1725
1726         if (bits & SU_VIEWHEIGHT)
1727                 MSG_WriteChar (msg, stats[STAT_VIEWHEIGHT]);
1728
1729         if (bits & SU_IDEALPITCH)
1730                 MSG_WriteChar (msg, (int)ent->fields.server->idealpitch);
1731
1732         for (i=0 ; i<3 ; i++)
1733         {
1734                 if (bits & (SU_PUNCH1<<i))
1735                 {
1736                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
1737                                 MSG_WriteChar(msg, (int)ent->fields.server->punchangle[i]);
1738                         else
1739                                 MSG_WriteAngle16i(msg, ent->fields.server->punchangle[i]);
1740                 }
1741                 if (bits & (SU_PUNCHVEC1<<i))
1742                 {
1743                         if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1744                                 MSG_WriteCoord16i(msg, punchvector[i]);
1745                         else
1746                                 MSG_WriteCoord32f(msg, punchvector[i]);
1747                 }
1748                 if (bits & (SU_VELOCITY1<<i))
1749                 {
1750                         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1751                                 MSG_WriteChar(msg, (int)(ent->fields.server->velocity[i] * (1.0f / 16.0f)));
1752                         else
1753                                 MSG_WriteCoord32f(msg, ent->fields.server->velocity[i]);
1754                 }
1755         }
1756
1757         if (bits & SU_ITEMS)
1758                 MSG_WriteLong (msg, stats[STAT_ITEMS]);
1759
1760         if (sv.protocol == PROTOCOL_DARKPLACES5)
1761         {
1762                 if (bits & SU_WEAPONFRAME)
1763                         MSG_WriteShort (msg, stats[STAT_WEAPONFRAME]);
1764                 if (bits & SU_ARMOR)
1765                         MSG_WriteShort (msg, stats[STAT_ARMOR]);
1766                 if (bits & SU_WEAPON)
1767                         MSG_WriteShort (msg, stats[STAT_WEAPON]);
1768                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1769                 MSG_WriteShort (msg, stats[STAT_AMMO]);
1770                 MSG_WriteShort (msg, stats[STAT_SHELLS]);
1771                 MSG_WriteShort (msg, stats[STAT_NAILS]);
1772                 MSG_WriteShort (msg, stats[STAT_ROCKETS]);
1773                 MSG_WriteShort (msg, stats[STAT_CELLS]);
1774                 MSG_WriteShort (msg, stats[STAT_ACTIVEWEAPON]);
1775                 if (bits & SU_VIEWZOOM)
1776                         MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1777         }
1778         else if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1779         {
1780                 if (bits & SU_WEAPONFRAME)
1781                         MSG_WriteByte (msg, stats[STAT_WEAPONFRAME]);
1782                 if (bits & SU_ARMOR)
1783                         MSG_WriteByte (msg, stats[STAT_ARMOR]);
1784                 if (bits & SU_WEAPON)
1785                 {
1786                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
1787                                 MSG_WriteShort (msg, stats[STAT_WEAPON]);
1788                         else
1789                                 MSG_WriteByte (msg, stats[STAT_WEAPON]);
1790                 }
1791                 MSG_WriteShort (msg, stats[STAT_HEALTH]);
1792                 MSG_WriteByte (msg, stats[STAT_AMMO]);
1793                 MSG_WriteByte (msg, stats[STAT_SHELLS]);
1794                 MSG_WriteByte (msg, stats[STAT_NAILS]);
1795                 MSG_WriteByte (msg, stats[STAT_ROCKETS]);
1796                 MSG_WriteByte (msg, stats[STAT_CELLS]);
1797                 if (gamemode == GAME_HIPNOTIC || gamemode == GAME_ROGUE || gamemode == GAME_NEXUIZ)
1798                 {
1799                         for (i = 0;i < 32;i++)
1800                                 if (stats[STAT_ACTIVEWEAPON] & (1<<i))
1801                                         break;
1802                         MSG_WriteByte (msg, i);
1803                 }
1804                 else
1805                         MSG_WriteByte (msg, stats[STAT_ACTIVEWEAPON]);
1806                 if (bits & SU_VIEWZOOM)
1807                 {
1808                         if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4)
1809                                 MSG_WriteByte (msg, bound(0, stats[STAT_VIEWZOOM], 255));
1810                         else
1811                                 MSG_WriteShort (msg, bound(0, stats[STAT_VIEWZOOM], 65535));
1812                 }
1813         }
1814 }
1815
1816 void SV_FlushBroadcastMessages(void)
1817 {
1818         int i;
1819         client_t *client;
1820         if (sv.datagram.cursize <= 0)
1821                 return;
1822         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
1823         {
1824                 if (!client->spawned || !client->netconnection || client->unreliablemsg.cursize + sv.datagram.cursize > client->unreliablemsg.maxsize || client->unreliablemsg_splitpoints >= (int)(sizeof(client->unreliablemsg_splitpoint)/sizeof(client->unreliablemsg_splitpoint[0])))
1825                         continue;
1826                 SZ_Write(&client->unreliablemsg, sv.datagram.data, sv.datagram.cursize);
1827                 client->unreliablemsg_splitpoint[client->unreliablemsg_splitpoints++] = client->unreliablemsg.cursize;
1828         }
1829         SZ_Clear(&sv.datagram);
1830 }
1831
1832 static void SV_WriteUnreliableMessages(client_t *client, sizebuf_t *msg, int maxsize)
1833 {
1834         // scan the splitpoints to find out how many we can fit in
1835         int numsegments, j, split;
1836         if (!client->unreliablemsg_splitpoints)
1837                 return;
1838         // always accept the first one if it's within 1024 bytes, this ensures
1839         // that very big datagrams which are over the rate limit still get
1840         // through, just to keep it working
1841         j = msg->cursize + client->unreliablemsg_splitpoint[0];
1842         if (maxsize < 1024 && j > maxsize && j <= 1024)
1843         {
1844                 numsegments = 1;
1845                 maxsize = 1024;
1846         }
1847         else
1848                 for (numsegments = 0;numsegments < client->unreliablemsg_splitpoints;numsegments++)
1849                         if (msg->cursize + client->unreliablemsg_splitpoint[numsegments] > maxsize)
1850                                 break;
1851         if (numsegments > 0)
1852         {
1853                 // some will fit, so add the ones that will fit
1854                 split = client->unreliablemsg_splitpoint[numsegments-1];
1855                 // note this discards ones that were accepted by the segments scan but
1856                 // can not fit, such as a really huge first one that will never ever
1857                 // fit in a packet...
1858                 if (msg->cursize + split <= maxsize)
1859                         SZ_Write(msg, client->unreliablemsg.data, split);
1860                 // remove the part we sent, keeping any remaining data
1861                 client->unreliablemsg.cursize -= split;
1862                 if (client->unreliablemsg.cursize > 0)
1863                         memmove(client->unreliablemsg.data, client->unreliablemsg.data + split, client->unreliablemsg.cursize);
1864                 // adjust remaining splitpoints
1865                 client->unreliablemsg_splitpoints -= numsegments;
1866                 for (j = 0;j < client->unreliablemsg_splitpoints;j++)
1867                         client->unreliablemsg_splitpoint[j] = client->unreliablemsg_splitpoint[numsegments + j] - split;
1868         }
1869 }
1870
1871 /*
1872 =======================
1873 SV_SendClientDatagram
1874 =======================
1875 */
1876 static void SV_SendClientDatagram (client_t *client)
1877 {
1878         int clientrate, maxrate, maxsize, maxsize2, downloadsize;
1879         sizebuf_t msg;
1880         int stats[MAX_CL_STATS];
1881         unsigned char sv_sendclientdatagram_buf[NET_MAXMESSAGE];
1882
1883         // obey rate limit by limiting packet frequency if the packet size
1884         // limiting fails
1885         // (usually this is caused by reliable messages)
1886         if (!NetConn_CanSend(client->netconnection))
1887                 return;
1888
1889         // PROTOCOL_DARKPLACES5 and later support packet size limiting of updates
1890         maxrate = max(NET_MINRATE, sv_maxrate.integer);
1891         if (sv_maxrate.integer != maxrate)
1892                 Cvar_SetValueQuick(&sv_maxrate, maxrate);
1893
1894         // clientrate determines the 'cleartime' of a packet
1895         // (how long to wait before sending another, based on this packet's size)
1896         clientrate = bound(NET_MINRATE, client->rate, maxrate);
1897
1898         switch (sv.protocol)
1899         {
1900         case PROTOCOL_QUAKE:
1901         case PROTOCOL_QUAKEDP:
1902         case PROTOCOL_NEHAHRAMOVIE:
1903         case PROTOCOL_NEHAHRABJP:
1904         case PROTOCOL_NEHAHRABJP2:
1905         case PROTOCOL_NEHAHRABJP3:
1906         case PROTOCOL_QUAKEWORLD:
1907                 // no packet size limit support on Quake protocols because it just
1908                 // causes missing entities/effects
1909                 // packets are simply sent less often to obey the rate limit
1910                 maxsize = 1024;
1911                 maxsize2 = 1024;
1912                 break;
1913         case PROTOCOL_DARKPLACES1:
1914         case PROTOCOL_DARKPLACES2:
1915         case PROTOCOL_DARKPLACES3:
1916         case PROTOCOL_DARKPLACES4:
1917                 // no packet size limit support on DP1-4 protocols because they kick
1918                 // the client off if they overflow, and miss effects
1919                 // packets are simply sent less often to obey the rate limit
1920                 maxsize = sizeof(sv_sendclientdatagram_buf);
1921                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1922                 break;
1923         default:
1924                 // DP5 and later protocols support packet size limiting which is a
1925                 // better method than limiting packet frequency as QW does
1926                 //
1927                 // at very low rates (or very small sys_ticrate) the packet size is
1928                 // not reduced below 128, but packets may be sent less often
1929                 maxsize = (int)(clientrate * sys_ticrate.value);
1930                 maxsize = bound(128, maxsize, 1400);
1931                 maxsize2 = 1400;
1932                 // csqc entities can easily exceed 128 bytes, so disable throttling in
1933                 // mods that use csqc (they are likely to use less bandwidth anyway)
1934                 if (sv.csqc_progsize > 0)
1935                         maxsize = maxsize2;
1936                 break;
1937         }
1938
1939         if (LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) == LHNETADDRESSTYPE_LOOP && !sv_ratelimitlocalplayer.integer)
1940         {
1941                 // for good singleplayer, send huge packets
1942                 maxsize = sizeof(sv_sendclientdatagram_buf);
1943                 maxsize2 = sizeof(sv_sendclientdatagram_buf);
1944                 // never limit frequency in singleplayer
1945                 clientrate = 1000000000;
1946         }
1947
1948         // while downloading, limit entity updates to half the packet
1949         // (any leftover space will be used for downloading)
1950         if (host_client->download_file)
1951                 maxsize /= 2;
1952
1953         msg.data = sv_sendclientdatagram_buf;
1954         msg.maxsize = sizeof(sv_sendclientdatagram_buf);
1955         msg.cursize = 0;
1956         msg.allowoverflow = false;
1957
1958         if (host_client->spawned)
1959         {
1960                 // the player is in the game
1961                 MSG_WriteByte (&msg, svc_time);
1962                 MSG_WriteFloat (&msg, sv.time);
1963
1964                 // add the client specific data to the datagram
1965                 SV_WriteClientdataToMessage (client, client->edict, &msg, stats);
1966                 // now update the stats[] array using any registered custom fields
1967                 VM_SV_UpdateCustomStats (client, client->edict, &msg, stats);
1968                 // set host_client->statsdeltabits
1969                 Protocol_UpdateClientStats (stats);
1970
1971                 // add as many queued unreliable messages (effects) as we can fit
1972                 // limit effects to half of the remaining space
1973                 if (client->unreliablemsg.cursize)
1974                         SV_WriteUnreliableMessages (client, &msg, (msg.cursize + maxsize) / 2);
1975
1976                 // now write as many entities as we can fit, and also sends stats
1977                 SV_WriteEntitiesToClient (client, client->edict, &msg, maxsize);
1978         }
1979         else if (realtime > client->keepalivetime)
1980         {
1981                 // the player isn't totally in the game yet
1982                 // send small keepalive messages if too much time has passed
1983                 // (may also be sending downloads)
1984                 client->keepalivetime = realtime + 5;
1985                 MSG_WriteChar (&msg, svc_nop);
1986         }
1987
1988         // if a download is active, see if there is room to fit some download data
1989         // in this packet
1990         downloadsize = min(maxsize*2,maxsize2) - msg.cursize - 7;
1991         if (host_client->download_file && host_client->download_started && downloadsize > 0)
1992         {
1993                 fs_offset_t downloadstart;
1994                 unsigned char data[1400];
1995                 downloadstart = FS_Tell(host_client->download_file);
1996                 downloadsize = min(downloadsize, (int)sizeof(data));
1997                 downloadsize = FS_Read(host_client->download_file, data, downloadsize);
1998                 // note this sends empty messages if at the end of the file, which is
1999                 // necessary to keep the packet loss logic working
2000                 // (the last blocks may be lost and need to be re-sent, and that will
2001                 //  only occur if the client acks the empty end messages, revealing
2002                 //  a gap in the download progress, causing the last blocks to be
2003                 //  sent again)
2004                 MSG_WriteChar (&msg, svc_downloaddata);
2005                 MSG_WriteLong (&msg, downloadstart);
2006                 MSG_WriteShort (&msg, downloadsize);
2007                 if (downloadsize > 0)
2008                         SZ_Write (&msg, data, downloadsize);
2009         }
2010
2011         // reliable only if none is in progress
2012         if(client->sendsignon != 2 && !client->netconnection->sendMessageLength)
2013                 SV_WriteDemoMessage(client, &(client->netconnection->message), false);
2014         // unreliable
2015         SV_WriteDemoMessage(client, &msg, false);
2016
2017 // send the datagram
2018         NetConn_SendUnreliableMessage (client->netconnection, &msg, sv.protocol, clientrate, client->sendsignon == 2);
2019         if (client->sendsignon == 1 && !client->netconnection->message.cursize)
2020                 client->sendsignon = 2; // prevent reliable until client sends prespawn (this is the keepalive phase)
2021 }
2022
2023 /*
2024 =======================
2025 SV_UpdateToReliableMessages
2026 =======================
2027 */
2028 static void SV_UpdateToReliableMessages (void)
2029 {
2030         int i, j;
2031         client_t *client;
2032         prvm_eval_t *val;
2033         const char *name;
2034         const char *model;
2035         const char *skin;
2036
2037 // check for changes to be sent over the reliable streams
2038         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2039         {
2040                 // update the host_client fields we care about according to the entity fields
2041                 host_client->edict = PRVM_EDICT_NUM(i+1);
2042
2043                 // DP_SV_CLIENTNAME
2044                 name = PRVM_GetString(host_client->edict->fields.server->netname);
2045                 if (name == NULL)
2046                         name = "";
2047                 // always point the string back at host_client->name to keep it safe
2048                 strlcpy (host_client->name, name, sizeof (host_client->name));
2049                 host_client->edict->fields.server->netname = PRVM_SetEngineString(host_client->name);
2050                 if (strcmp(host_client->old_name, host_client->name))
2051                 {
2052                         if (host_client->spawned)
2053                                 SV_BroadcastPrintf("%s ^7changed name to %s\n", host_client->old_name, host_client->name);
2054                         strlcpy(host_client->old_name, host_client->name, sizeof(host_client->old_name));
2055                         // send notification to all clients
2056                         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
2057                         MSG_WriteByte (&sv.reliable_datagram, i);
2058                         MSG_WriteString (&sv.reliable_datagram, host_client->name);
2059                         SV_WriteNetnameIntoDemo(host_client);
2060                 }
2061
2062                 // DP_SV_CLIENTCOLORS
2063                 // this is always found (since it's added by the progs loader)
2064                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcolors)))
2065                         host_client->colors = (int)val->_float;
2066                 if (host_client->old_colors != host_client->colors)
2067                 {
2068                         host_client->old_colors = host_client->colors;
2069                         // send notification to all clients
2070                         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
2071                         MSG_WriteByte (&sv.reliable_datagram, i);
2072                         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
2073                 }
2074
2075                 // NEXUIZ_PLAYERMODEL
2076                 if( prog->fieldoffsets.playermodel >= 0 ) {
2077                         model = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string);
2078                         if (model == NULL)
2079                                 model = "";
2080                         // always point the string back at host_client->name to keep it safe
2081                         strlcpy (host_client->playermodel, model, sizeof (host_client->playermodel));
2082                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(host_client->playermodel);
2083                 }
2084
2085                 // NEXUIZ_PLAYERSKIN
2086                 if( prog->fieldoffsets.playerskin >= 0 ) {
2087                         skin = PRVM_GetString(PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string);
2088                         if (skin == NULL)
2089                                 skin = "";
2090                         // always point the string back at host_client->name to keep it safe
2091                         strlcpy (host_client->playerskin, skin, sizeof (host_client->playerskin));
2092                         PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(host_client->playerskin);
2093                 }
2094
2095                 // TODO: add an extension name for this [1/17/2008 Black]
2096                 if ((val = PRVM_EDICTFIELDVALUE(host_client->edict, prog->fieldoffsets.clientcamera)) && val->edict > 0 ) {
2097                         int oldclientcamera = host_client->clientcamera;
2098                         if( val->edict >= prog->max_edicts || PRVM_EDICT_NUM( val->edict )->priv.required->free ) {
2099                                 val->edict = host_client->clientcamera = PRVM_NUM_FOR_EDICT( host_client->edict );
2100                         } else {
2101                                 host_client->clientcamera = val->edict;
2102                         }
2103
2104                         if( oldclientcamera != host_client->clientcamera ) {
2105                                 MSG_WriteByte (&sv.reliable_datagram, svc_setview );
2106                                 MSG_WriteShort (&host_client->netconnection->message, host_client->clientcamera);
2107                         }
2108                 }
2109
2110                 // frags
2111                 host_client->frags = (int)host_client->edict->fields.server->frags;
2112                 if(gamemode == GAME_NEXUIZ)
2113                         if(!host_client->spawned && host_client->netconnection)
2114                                 host_client->frags = -666;
2115                 if (host_client->old_frags != host_client->frags)
2116                 {
2117                         host_client->old_frags = host_client->frags;
2118                         // send notification to all clients
2119                         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
2120                         MSG_WriteByte (&sv.reliable_datagram, i);
2121                         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
2122                 }
2123         }
2124
2125         for (j = 0, client = svs.clients;j < svs.maxclients;j++, client++)
2126                 if (client->netconnection && (client->spawned || client->clientconnectcalled)) // also send MSG_ALL to people who are past ClientConnect, but not spawned yet
2127                         SZ_Write (&client->netconnection->message, sv.reliable_datagram.data, sv.reliable_datagram.cursize);
2128
2129         SZ_Clear (&sv.reliable_datagram);
2130 }
2131
2132
2133 /*
2134 =======================
2135 SV_SendClientMessages
2136 =======================
2137 */
2138 void SV_SendClientMessages (void)
2139 {
2140         int i, prepared = false;
2141
2142         if (sv.protocol == PROTOCOL_QUAKEWORLD)
2143                 Sys_Error("SV_SendClientMessages: no quakeworld support\n");
2144
2145         SV_FlushBroadcastMessages();
2146
2147 // update frags, names, etc
2148         SV_UpdateToReliableMessages();
2149
2150 // build individual updates
2151         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2152         {
2153                 if (!host_client->active)
2154                         continue;
2155                 if (!host_client->netconnection)
2156                         continue;
2157
2158                 if (host_client->netconnection->message.overflowed)
2159                 {
2160                         SV_DropClient (true);   // if the message couldn't send, kick off
2161                         continue;
2162                 }
2163
2164                 if (!prepared)
2165                 {
2166                         prepared = true;
2167                         // only prepare entities once per frame
2168                         SV_PrepareEntitiesForSending();
2169                 }
2170                 SV_SendClientDatagram (host_client);
2171         }
2172
2173 // clear muzzle flashes
2174         SV_CleanupEnts();
2175 }
2176
2177 static void SV_StartDownload_f(void)
2178 {
2179         if (host_client->download_file)
2180                 host_client->download_started = true;
2181 }
2182
2183 /*
2184  * Compression extension negotiation:
2185  *
2186  * Server to client:
2187  *   cl_serverextension_download 2
2188  *
2189  * Client to server:
2190  *   download <filename> <list of zero or more suppported compressions in order of preference>
2191  * e.g.
2192  *   download maps/map1.bsp lzo deflate huffman
2193  *
2194  * Server to client:
2195  *   cl_downloadbegin <compressed size> <filename> <compression method actually used>
2196  * e.g.
2197  *   cl_downloadbegin 123456 maps/map1.bsp deflate
2198  *
2199  * The server may choose not to compress the file by sending no compression name, like:
2200  *   cl_downloadbegin 345678 maps/map1.bsp
2201  *
2202  * NOTE: the "download" command may only specify compression algorithms if
2203  *       cl_serverextension_download is 2!
2204  *       If cl_serverextension_download has a different value, the client must
2205  *       assume this extension is not supported!
2206  */
2207
2208 static void Download_CheckExtensions(void)
2209 {
2210         int i;
2211         int argc = Cmd_Argc();
2212
2213         // first reset them all
2214         host_client->download_deflate = false;
2215         
2216         for(i = 2; i < argc; ++i)
2217         {
2218                 if(!strcmp(Cmd_Argv(i), "deflate"))
2219                 {
2220                         host_client->download_deflate = true;
2221                         break;
2222                 }
2223         }
2224 }
2225
2226 static void SV_Download_f(void)
2227 {
2228         const char *whichpack, *whichpack2, *extension;
2229         qboolean is_csqc; // so we need to check only once
2230
2231         if (Cmd_Argc() < 2)
2232         {
2233                 SV_ClientPrintf("usage: download <filename> {<extensions>}*\n");
2234                 SV_ClientPrintf("       supported extensions: deflate\n");
2235                 return;
2236         }
2237
2238         if (FS_CheckNastyPath(Cmd_Argv(1), false))
2239         {
2240                 SV_ClientPrintf("Download rejected: nasty filename \"%s\"\n", Cmd_Argv(1));
2241                 return;
2242         }
2243
2244         if (host_client->download_file)
2245         {
2246                 // at this point we'll assume the previous download should be aborted
2247                 Con_DPrintf("Download of %s aborted by %s starting a new download\n", host_client->download_name, host_client->name);
2248                 Host_ClientCommands("\nstopdownload\n");
2249
2250                 // close the file and reset variables
2251                 FS_Close(host_client->download_file);
2252                 host_client->download_file = NULL;
2253                 host_client->download_name[0] = 0;
2254                 host_client->download_expectedposition = 0;
2255                 host_client->download_started = false;
2256         }
2257
2258         is_csqc = (sv.csqc_progname[0] && strcmp(Cmd_Argv(1), sv.csqc_progname) == 0);
2259         
2260         if (!sv_allowdownloads.integer && !is_csqc)
2261         {
2262                 SV_ClientPrintf("Downloads are disabled on this server\n");
2263                 Host_ClientCommands("\nstopdownload\n");
2264                 return;
2265         }
2266
2267         Download_CheckExtensions();
2268
2269         strlcpy(host_client->download_name, Cmd_Argv(1), sizeof(host_client->download_name));
2270         extension = FS_FileExtension(host_client->download_name);
2271
2272         // host_client is asking to download a specified file
2273         if (developer.integer >= 100)
2274                 Con_Printf("Download request for %s by %s\n", host_client->download_name, host_client->name);
2275
2276         if(is_csqc)
2277         {
2278                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2279                 extensions[0] = '\0';
2280                 
2281                 if(host_client->download_deflate)
2282                         strlcat(extensions, " deflate", sizeof(extensions));
2283                 
2284                 Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2285
2286                 if(host_client->download_deflate && svs.csqc_progdata_deflated)
2287                         host_client->download_file = FS_FileFromData(svs.csqc_progdata_deflated, svs.csqc_progsize_deflated, true);
2288                 else
2289                         host_client->download_file = FS_FileFromData(svs.csqc_progdata, sv.csqc_progsize, true);
2290                 
2291                 // no, no space is needed between %s and %s :P
2292                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2293
2294                 host_client->download_expectedposition = 0;
2295                 host_client->download_started = false;
2296                 host_client->sendsignon = true; // make sure this message is sent
2297                 return;
2298         }
2299
2300         if (!FS_FileExists(host_client->download_name))
2301         {
2302                 SV_ClientPrintf("Download rejected: server does not have the file \"%s\"\nYou may need to separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2303                 Host_ClientCommands("\nstopdownload\n");
2304                 return;
2305         }
2306
2307         // check if the user is trying to download part of registered Quake(r)
2308         whichpack = FS_WhichPack(host_client->download_name);
2309         whichpack2 = FS_WhichPack("gfx/pop.lmp");
2310         if ((whichpack && whichpack2 && !strcasecmp(whichpack, whichpack2)) || FS_IsRegisteredQuakePack(host_client->download_name))
2311         {
2312                 SV_ClientPrintf("Download rejected: file \"%s\" is part of registered Quake(r)\nYou must purchase Quake(r) from id Software or a retailer to get this file\nPlease go to http://www.idsoftware.com/games/quake/quake/index.php?game_section=buy\n", host_client->download_name);
2313                 Host_ClientCommands("\nstopdownload\n");
2314                 return;
2315         }
2316
2317         // check if the server has forbidden archive downloads entirely
2318         if (!sv_allowdownloads_inarchive.integer)
2319         {
2320                 whichpack = FS_WhichPack(host_client->download_name);
2321                 if (whichpack)
2322                 {
2323                         SV_ClientPrintf("Download rejected: file \"%s\" is in an archive (\"%s\")\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name, whichpack);
2324                         Host_ClientCommands("\nstopdownload\n");
2325                         return;
2326                 }
2327         }
2328
2329         if (!sv_allowdownloads_config.integer)
2330         {
2331                 if (!strcasecmp(extension, "cfg"))
2332                 {
2333                         SV_ClientPrintf("Download rejected: file \"%s\" is a .cfg file which is forbidden for security reasons\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2334                         Host_ClientCommands("\nstopdownload\n");
2335                         return;
2336                 }
2337         }
2338
2339         if (!sv_allowdownloads_dlcache.integer)
2340         {
2341                 if (!strncasecmp(host_client->download_name, "dlcache/", 8))
2342                 {
2343                         SV_ClientPrintf("Download rejected: file \"%s\" is in the dlcache/ directory which is forbidden for security reasons\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2344                         Host_ClientCommands("\nstopdownload\n");
2345                         return;
2346                 }
2347         }
2348
2349         if (!sv_allowdownloads_archive.integer)
2350         {
2351                 if (!strcasecmp(extension, "pak") || !strcasecmp(extension, "pk3"))
2352                 {
2353                         SV_ClientPrintf("Download rejected: file \"%s\" is an archive\nYou must separately download or purchase the data archives for this game/mod to get this file\n", host_client->download_name);
2354                         Host_ClientCommands("\nstopdownload\n");
2355                         return;
2356                 }
2357         }
2358
2359         host_client->download_file = FS_OpenVirtualFile(host_client->download_name, true);
2360         if (!host_client->download_file)
2361         {
2362                 SV_ClientPrintf("Download rejected: server could not open the file \"%s\"\n", host_client->download_name);
2363                 Host_ClientCommands("\nstopdownload\n");
2364                 return;
2365         }
2366
2367         if (FS_FileSize(host_client->download_file) > 1<<30)
2368         {
2369                 SV_ClientPrintf("Download rejected: file \"%s\" is very large\n", host_client->download_name);
2370                 Host_ClientCommands("\nstopdownload\n");
2371                 FS_Close(host_client->download_file);
2372                 host_client->download_file = NULL;
2373                 return;
2374         }
2375
2376         if (FS_FileSize(host_client->download_file) < 0)
2377         {
2378                 SV_ClientPrintf("Download rejected: file \"%s\" is not a regular file\n", host_client->download_name);
2379                 Host_ClientCommands("\nstopdownload\n");
2380                 FS_Close(host_client->download_file);
2381                 host_client->download_file = NULL;
2382                 return;
2383         }
2384
2385         Con_DPrintf("Downloading %s to %s\n", host_client->download_name, host_client->name);
2386
2387         /*
2388          * we can only do this if we would actually deflate on the fly
2389          * which we do not (yet)!
2390         {
2391                 char extensions[MAX_QPATH]; // make sure this can hold all extensions
2392                 extensions[0] = '\0';
2393                 
2394                 if(host_client->download_deflate)
2395                         strlcat(extensions, " deflate", sizeof(extensions));
2396
2397                 // no, no space is needed between %s and %s :P
2398                 Host_ClientCommands("\ncl_downloadbegin %i %s%s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name, extensions);
2399         }
2400         */
2401         Host_ClientCommands("\ncl_downloadbegin %i %s\n", (int)FS_FileSize(host_client->download_file), host_client->download_name);
2402
2403         host_client->download_expectedposition = 0;
2404         host_client->download_started = false;
2405         host_client->sendsignon = true; // make sure this message is sent
2406
2407         // the rest of the download process is handled in SV_SendClientDatagram
2408         // and other code dealing with svc_downloaddata and clc_ackdownloaddata
2409         //
2410         // no svc_downloaddata messages will be sent until sv_startdownload is
2411         // sent by the client
2412 }
2413
2414 /*
2415 ==============================================================================
2416
2417 SERVER SPAWNING
2418
2419 ==============================================================================
2420 */
2421
2422 /*
2423 ================
2424 SV_ModelIndex
2425
2426 ================
2427 */
2428 int SV_ModelIndex(const char *s, int precachemode)
2429 {
2430         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3) ? 256 : MAX_MODELS);
2431         char filename[MAX_QPATH];
2432         if (!s || !*s)
2433                 return 0;
2434         // testing
2435         //if (precachemode == 2)
2436         //      return 0;
2437         strlcpy(filename, s, sizeof(filename));
2438         for (i = 2;i < limit;i++)
2439         {
2440                 if (!sv.model_precache[i][0])
2441                 {
2442                         if (precachemode)
2443                         {
2444                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
2445                                 {
2446                                         Con_Printf("SV_ModelIndex(\"%s\"): precache_model can only be done in spawn functions\n", filename);
2447                                         return 0;
2448                                 }
2449                                 if (precachemode == 1)
2450                                         Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2451                                 strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
2452                                 sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.modelname : NULL);
2453                                 if (sv.state != ss_loading)
2454                                 {
2455                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2456                                         MSG_WriteShort(&sv.reliable_datagram, i);
2457                                         MSG_WriteString(&sv.reliable_datagram, filename);
2458                                 }
2459                                 return i;
2460                         }
2461                         Con_Printf("SV_ModelIndex(\"%s\"): not precached\n", filename);
2462                         return 0;
2463                 }
2464                 if (!strcmp(sv.model_precache[i], filename))
2465                         return i;
2466         }
2467         Con_Printf("SV_ModelIndex(\"%s\"): i (%i) == MAX_MODELS (%i)\n", filename, i, MAX_MODELS);
2468         return 0;
2469 }
2470
2471 /*
2472 ================
2473 SV_SoundIndex
2474
2475 ================
2476 */
2477 int SV_SoundIndex(const char *s, int precachemode)
2478 {
2479         int i, limit = ((sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3) ? 256 : MAX_SOUNDS);
2480         char filename[MAX_QPATH];
2481         if (!s || !*s)
2482                 return 0;
2483         // testing
2484         //if (precachemode == 2)
2485         //      return 0;
2486         strlcpy(filename, s, sizeof(filename));
2487         for (i = 1;i < limit;i++)
2488         {
2489                 if (!sv.sound_precache[i][0])
2490                 {
2491                         if (precachemode)
2492                         {
2493                                 if (sv.state != ss_loading && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5))
2494                                 {
2495                                         Con_Printf("SV_SoundIndex(\"%s\"): precache_sound can only be done in spawn functions\n", filename);
2496                                         return 0;
2497                                 }
2498                                 if (precachemode == 1)
2499                                         Con_Printf("SV_SoundIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
2500                                 strlcpy(sv.sound_precache[i], filename, sizeof(sv.sound_precache[i]));
2501                                 if (sv.state != ss_loading)
2502                                 {
2503                                         MSG_WriteByte(&sv.reliable_datagram, svc_precache);
2504                                         MSG_WriteShort(&sv.reliable_datagram, i + 32768);
2505                                         MSG_WriteString(&sv.reliable_datagram, filename);
2506                                 }
2507                                 return i;
2508                         }
2509                         Con_Printf("SV_SoundIndex(\"%s\"): not precached\n", filename);
2510                         return 0;
2511                 }
2512                 if (!strcmp(sv.sound_precache[i], filename))
2513                         return i;
2514         }
2515         Con_Printf("SV_SoundIndex(\"%s\"): i (%i) == MAX_SOUNDS (%i)\n", filename, i, MAX_SOUNDS);
2516         return 0;
2517 }
2518
2519 /*
2520 ================
2521 SV_ParticleEffectIndex
2522
2523 ================
2524 */
2525 int SV_ParticleEffectIndex(const char *name)
2526 {
2527         int i, argc, linenumber, effectnameindex;
2528         fs_offset_t filesize;
2529         unsigned char *filedata;
2530         const char *text, *textstart, *textend;
2531         char argv[16][1024];
2532         if (!sv.particleeffectnamesloaded)
2533         {
2534                 sv.particleeffectnamesloaded = true;
2535                 memset(sv.particleeffectname, 0, sizeof(sv.particleeffectname));
2536                 for (i = 0;i < EFFECT_TOTAL;i++)
2537                         strlcpy(sv.particleeffectname[i], standardeffectnames[i], sizeof(sv.particleeffectname[i]));
2538                 filedata = FS_LoadFile("effectinfo.txt", tempmempool, true, &filesize);
2539                 if (filedata)
2540                 {
2541                         textstart = (const char *)filedata;
2542                         textend = (const char *)filedata + filesize;
2543                         text = textstart;
2544                         for (linenumber = 1;;linenumber++)
2545                         {
2546                                 argc = 0;
2547                                 for (;;)
2548                                 {
2549                                         if (!COM_ParseToken_Simple(&text, true, false) || !strcmp(com_token, "\n"))
2550                                                 break;
2551                                         if (argc < 16)
2552                                         {
2553                                                 strlcpy(argv[argc], com_token, sizeof(argv[argc]));
2554                                                 argc++;
2555                                         }
2556                                 }
2557                                 if (com_token[0] == 0)
2558                                         break; // if the loop exited and it's not a \n, it's EOF
2559                                 if (argc < 1)
2560                                         continue;
2561                                 if (!strcmp(argv[0], "effect"))
2562                                 {
2563                                         if (argc == 2)
2564                                         {
2565                                                 for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME;effectnameindex++)
2566                                                 {
2567                                                         if (sv.particleeffectname[effectnameindex][0])
2568                                                         {
2569                                                                 if (!strcmp(sv.particleeffectname[effectnameindex], argv[1]))
2570                                                                         break;
2571                                                         }
2572                                                         else
2573                                                         {
2574                                                                 strlcpy(sv.particleeffectname[effectnameindex], argv[1], sizeof(sv.particleeffectname[effectnameindex]));
2575                                                                 break;
2576                                                         }
2577                                                 }
2578                                                 // if we run out of names, abort
2579                                                 if (effectnameindex == SV_MAX_PARTICLEEFFECTNAME)
2580                                                 {
2581                                                         Con_Printf("effectinfo.txt:%i: too many effects!\n", linenumber);
2582                                                         break;
2583                                                 }
2584                                         }
2585                                 }
2586                         }
2587                         Mem_Free(filedata);
2588                 }
2589         }
2590         // search for the name
2591         for (effectnameindex = 1;effectnameindex < SV_MAX_PARTICLEEFFECTNAME && sv.particleeffectname[effectnameindex][0];effectnameindex++)
2592                 if (!strcmp(sv.particleeffectname[effectnameindex], name))
2593                         return effectnameindex;
2594         // return 0 if we couldn't find it
2595         return 0;
2596 }
2597
2598 /*
2599 ================
2600 SV_CreateBaseline
2601
2602 ================
2603 */
2604 static void SV_CreateBaseline (void)
2605 {
2606         int i, entnum, large;
2607         prvm_edict_t *svent;
2608
2609         // LordHavoc: clear *all* states (note just active ones)
2610         for (entnum = 0;entnum < prog->max_edicts;entnum++)
2611         {
2612                 // get the current server version
2613                 svent = PRVM_EDICT_NUM(entnum);
2614
2615                 // LordHavoc: always clear state values, whether the entity is in use or not
2616                 svent->priv.server->baseline = defaultstate;
2617
2618                 if (svent->priv.server->free)
2619                         continue;
2620                 if (entnum > svs.maxclients && !svent->fields.server->modelindex)
2621                         continue;
2622
2623                 // create entity baseline
2624                 VectorCopy (svent->fields.server->origin, svent->priv.server->baseline.origin);
2625                 VectorCopy (svent->fields.server->angles, svent->priv.server->baseline.angles);
2626                 svent->priv.server->baseline.frame = (int)svent->fields.server->frame;
2627                 svent->priv.server->baseline.skin = (int)svent->fields.server->skin;
2628                 if (entnum > 0 && entnum <= svs.maxclients)
2629                 {
2630                         svent->priv.server->baseline.colormap = entnum;
2631                         svent->priv.server->baseline.modelindex = SV_ModelIndex("progs/player.mdl", 1);
2632                 }
2633                 else
2634                 {
2635                         svent->priv.server->baseline.colormap = 0;
2636                         svent->priv.server->baseline.modelindex = (int)svent->fields.server->modelindex;
2637                 }
2638
2639                 large = false;
2640                 if (svent->priv.server->baseline.modelindex & 0xFF00 || svent->priv.server->baseline.frame & 0xFF00)
2641                 {
2642                         large = true;
2643                         if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2644                                 large = false;
2645                 }
2646
2647                 // add to the message
2648                 if (large)
2649                         MSG_WriteByte (&sv.signon, svc_spawnbaseline2);
2650                 else
2651                         MSG_WriteByte (&sv.signon, svc_spawnbaseline);
2652                 MSG_WriteShort (&sv.signon, entnum);
2653
2654                 if (large)
2655                 {
2656                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2657                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.frame);
2658                 }
2659                 else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
2660                 {
2661                         MSG_WriteShort (&sv.signon, svent->priv.server->baseline.modelindex);
2662                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2663                 }
2664                 else
2665                 {
2666                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.modelindex);
2667                         MSG_WriteByte (&sv.signon, svent->priv.server->baseline.frame);
2668                 }
2669                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.colormap);
2670                 MSG_WriteByte (&sv.signon, svent->priv.server->baseline.skin);
2671                 for (i=0 ; i<3 ; i++)
2672                 {
2673                         MSG_WriteCoord(&sv.signon, svent->priv.server->baseline.origin[i], sv.protocol);
2674                         MSG_WriteAngle(&sv.signon, svent->priv.server->baseline.angles[i], sv.protocol);
2675                 }
2676         }
2677 }
2678
2679 /*
2680 ================
2681 SV_Prepare_CSQC
2682
2683 Load csprogs.dat and comperss it so it doesn't need to be
2684 reloaded on request.
2685 ================
2686 */
2687 void SV_Prepare_CSQC(void)
2688 {
2689         fs_offset_t progsize;
2690
2691         if(svs.csqc_progdata)
2692         {
2693                 Con_DPrintf("Unloading old CSQC data.\n");
2694                 Mem_Free(svs.csqc_progdata);
2695                 if(svs.csqc_progdata_deflated)
2696                         Mem_Free(svs.csqc_progdata_deflated);
2697         }
2698
2699         svs.csqc_progdata = NULL;
2700         svs.csqc_progdata_deflated = NULL;
2701         
2702         Con_Print("Loading csprogs.dat\n");
2703
2704         sv.csqc_progname[0] = 0;
2705         svs.csqc_progdata = FS_LoadFile(csqc_progname.string, sv_mempool, false, &progsize);
2706
2707         if(progsize > 0)
2708         {
2709                 size_t deflated_size;
2710                 
2711                 sv.csqc_progsize = (int)progsize;
2712                 sv.csqc_progcrc = CRC_Block(svs.csqc_progdata, progsize);
2713                 strlcpy(sv.csqc_progname, csqc_progname.string, sizeof(sv.csqc_progname));
2714                 Con_Printf("server detected csqc progs file \"%s\" with size %i and crc %i\n", sv.csqc_progname, sv.csqc_progsize, sv.csqc_progcrc);
2715
2716                 Con_Print("Compressing csprogs.dat\n");
2717                 //unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflated_size, int level, mempool_t *mempool);
2718                 svs.csqc_progdata_deflated = FS_Deflate(svs.csqc_progdata, progsize, &deflated_size, -1, sv_mempool);
2719                 svs.csqc_progsize_deflated = (int)deflated_size;
2720                 if(svs.csqc_progdata_deflated)
2721                 {
2722                         Con_Printf("Deflated: %g%%\n", 100.0 - 100.0 * (deflated_size / (float)progsize));
2723                         Con_DPrintf("Uncompressed: %u\nCompressed:   %u\n", (unsigned)sv.csqc_progsize, (unsigned)svs.csqc_progsize_deflated);
2724                 }
2725                 else
2726                         Con_Printf("Cannot compress - need zlib for this. Using uncompressed progs only.\n");
2727         }
2728 }
2729
2730 /*
2731 ================
2732 SV_SaveSpawnparms
2733
2734 Grabs the current state of each client for saving across the
2735 transition to another level
2736 ================
2737 */
2738 void SV_SaveSpawnparms (void)
2739 {
2740         int             i, j;
2741
2742         svs.serverflags = (int)prog->globals.server->serverflags;
2743
2744         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2745         {
2746                 if (!host_client->active)
2747                         continue;
2748
2749         // call the progs to get default spawn parms for the new client
2750                 prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
2751                 PRVM_ExecuteProgram (prog->globals.server->SetChangeParms, "QC function SetChangeParms is missing");
2752                 for (j=0 ; j<NUM_SPAWN_PARMS ; j++)
2753                         host_client->spawn_parms[j] = (&prog->globals.server->parm1)[j];
2754         }
2755 }
2756
2757 /*
2758 ================
2759 SV_SpawnServer
2760
2761 This is called at the start of each level
2762 ================
2763 */
2764
2765 void SV_SpawnServer (const char *server)
2766 {
2767         prvm_edict_t *ent;
2768         int i;
2769         char *entities;
2770         dp_model_t *worldmodel;
2771         char modelname[sizeof(sv.modelname)];
2772
2773         Con_DPrintf("SpawnServer: %s\n", server);
2774
2775         dpsnprintf (modelname, sizeof(modelname), "maps/%s.bsp", server);
2776
2777         if (!FS_FileExists(modelname))
2778         {
2779                 Con_Printf("SpawnServer: no map file named %s\n", modelname);
2780                 return;
2781         }
2782
2783         if (cls.state != ca_dedicated)
2784         {
2785                 SCR_BeginLoadingPlaque();
2786                 S_StopAllSounds();
2787         }
2788
2789         if(sv.active)
2790         {
2791                 SV_VM_Begin();
2792                 if(prog->funcoffsets.SV_Shutdown)
2793                 {
2794                         func_t s = prog->funcoffsets.SV_Shutdown;
2795                         prog->funcoffsets.SV_Shutdown = 0; // prevent it from getting called again
2796                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
2797                 }
2798                 SV_VM_End();
2799         }
2800
2801         // free q3 shaders so that any newly downloaded shaders will be active
2802         Mod_FreeQ3Shaders();
2803
2804         worldmodel = Mod_ForName(modelname, false, true, NULL);
2805         if (!worldmodel || !worldmodel->TraceBox)
2806         {
2807                 Con_Printf("Couldn't load map %s\n", modelname);
2808                 return;
2809         }
2810
2811         // let's not have any servers with no name
2812         if (hostname.string[0] == 0)
2813                 Cvar_Set ("hostname", "UNNAMED");
2814         scr_centertime_off = 0;
2815
2816         svs.changelevel_issued = false;         // now safe to issue another
2817
2818         // make the map a required file for clients
2819         Curl_ClearRequirements();
2820         Curl_RequireFile(modelname);
2821
2822 //
2823 // tell all connected clients that we are going to a new level
2824 //
2825         if (sv.active)
2826         {
2827                 client_t *client;
2828                 for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
2829                 {
2830                         if (client->netconnection)
2831                         {
2832                                 MSG_WriteByte(&client->netconnection->message, svc_stufftext);
2833                                 MSG_WriteString(&client->netconnection->message, "reconnect\n");
2834                         }
2835                 }
2836         }
2837         else
2838         {
2839                 // open server port
2840                 NetConn_OpenServerPorts(true);
2841         }
2842
2843 //
2844 // make cvars consistant
2845 //
2846         if (coop.integer)
2847                 Cvar_SetValue ("deathmatch", 0);
2848         // LordHavoc: it can be useful to have skills outside the range 0-3...
2849         //current_skill = bound(0, (int)(skill.value + 0.5), 3);
2850         //Cvar_SetValue ("skill", (float)current_skill);
2851         current_skill = (int)(skill.value + 0.5);
2852
2853 //
2854 // set up the new server
2855 //
2856         memset (&sv, 0, sizeof(sv));
2857         // if running a local client, make sure it doesn't try to access the last
2858         // level's data which is no longer valiud
2859         cls.signon = 0;
2860
2861         Cvar_SetValue("halflifebsp", worldmodel->brush.ishlbsp);
2862
2863         if(*sv_random_seed.string)
2864         {
2865                 srand(sv_random_seed.integer);
2866                 Con_Printf("NOTE: random seed is %d; use for debugging/benchmarking only!\nUnset sv_random_seed to get real random numbers again.\n", sv_random_seed.integer);
2867         }
2868
2869         SV_VM_Setup();
2870
2871         sv.active = true;
2872
2873         strlcpy (sv.name, server, sizeof (sv.name));
2874
2875         sv.protocol = Protocol_EnumForName(sv_protocolname.string);
2876         if (sv.protocol == PROTOCOL_UNKNOWN)
2877         {
2878                 char buffer[1024];
2879                 Protocol_Names(buffer, sizeof(buffer));
2880                 Con_Printf("Unknown sv_protocolname \"%s\", valid values are:\n%s\n", sv_protocolname.string, buffer);
2881                 sv.protocol = PROTOCOL_QUAKE;
2882         }
2883
2884         SV_VM_Begin();
2885
2886 // load progs to get entity field count
2887         //PR_LoadProgs ( sv_progs.string );
2888
2889         sv.datagram.maxsize = sizeof(sv.datagram_buf);
2890         sv.datagram.cursize = 0;
2891         sv.datagram.data = sv.datagram_buf;
2892
2893         sv.reliable_datagram.maxsize = sizeof(sv.reliable_datagram_buf);
2894         sv.reliable_datagram.cursize = 0;
2895         sv.reliable_datagram.data = sv.reliable_datagram_buf;
2896
2897         sv.signon.maxsize = sizeof(sv.signon_buf);
2898         sv.signon.cursize = 0;
2899         sv.signon.data = sv.signon_buf;
2900
2901 // leave slots at start for clients only
2902         //prog->num_edicts = svs.maxclients+1;
2903
2904         sv.state = ss_loading;
2905         prog->allowworldwrites = true;
2906         sv.paused = false;
2907
2908         prog->globals.server->time = sv.time = 1.0;
2909
2910         Mod_ClearUsed();
2911         worldmodel->used = true;
2912
2913         strlcpy (sv.name, server, sizeof (sv.name));
2914         strlcpy(sv.modelname, modelname, sizeof(sv.modelname));
2915         sv.worldmodel = worldmodel;
2916         sv.models[1] = sv.worldmodel;
2917
2918 //
2919 // clear world interaction links
2920 //
2921         World_SetSize(&sv.world, sv.worldmodel->name, sv.worldmodel->normalmins, sv.worldmodel->normalmaxs);
2922
2923         strlcpy(sv.sound_precache[0], "", sizeof(sv.sound_precache[0]));
2924
2925         strlcpy(sv.model_precache[0], "", sizeof(sv.model_precache[0]));
2926         strlcpy(sv.model_precache[1], sv.modelname, sizeof(sv.model_precache[1]));
2927         for (i = 1;i < sv.worldmodel->brush.numsubmodels && i+1 < MAX_MODELS;i++)
2928         {
2929                 dpsnprintf(sv.model_precache[i+1], sizeof(sv.model_precache[i+1]), "*%i", i);
2930                 sv.models[i+1] = Mod_ForName (sv.model_precache[i+1], false, false, sv.modelname);
2931         }
2932         if(i < sv.worldmodel->brush.numsubmodels)
2933                 Con_Printf("Too many submodels (MAX_MODELS is %i)\n", MAX_MODELS);
2934
2935 //
2936 // load the rest of the entities
2937 //
2938         // AK possible hack since num_edicts is still 0
2939         ent = PRVM_EDICT_NUM(0);
2940         memset (ent->fields.server, 0, prog->progs->entityfields * 4);
2941         ent->priv.server->free = false;
2942         ent->fields.server->model = PRVM_SetEngineString(sv.modelname);
2943         ent->fields.server->modelindex = 1;             // world model
2944         ent->fields.server->solid = SOLID_BSP;
2945         ent->fields.server->movetype = MOVETYPE_PUSH;
2946         VectorCopy(sv.world.mins, ent->fields.server->mins);
2947         VectorCopy(sv.world.maxs, ent->fields.server->maxs);
2948         VectorCopy(sv.world.mins, ent->fields.server->absmin);
2949         VectorCopy(sv.world.maxs, ent->fields.server->absmax);
2950
2951         if (coop.value)
2952                 prog->globals.server->coop = coop.integer;
2953         else
2954                 prog->globals.server->deathmatch = deathmatch.integer;
2955
2956         prog->globals.server->mapname = PRVM_SetEngineString(sv.name);
2957
2958 // serverflags are for cross level information (sigils)
2959         prog->globals.server->serverflags = svs.serverflags;
2960
2961         // we need to reset the spawned flag on all connected clients here so that
2962         // their thinks don't run during startup (before PutClientInServer)
2963         // we also need to set up the client entities now
2964         // and we need to set the ->edict pointers to point into the progs edicts
2965         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
2966         {
2967                 host_client->spawned = false;
2968                 host_client->edict = PRVM_EDICT_NUM(i + 1);
2969                 PRVM_ED_ClearEdict(host_client->edict);
2970         }
2971
2972         // load replacement entity file if found
2973         if (sv_entpatch.integer && (entities = (char *)FS_LoadFile(va("maps/%s.ent", sv.name), tempmempool, true, NULL)))
2974         {
2975                 Con_Printf("Loaded maps/%s.ent\n", sv.name);
2976                 PRVM_ED_LoadFromFile (entities);
2977                 Mem_Free(entities);
2978         }
2979         else
2980                 PRVM_ED_LoadFromFile (sv.worldmodel->brush.entities);
2981
2982
2983         // LordHavoc: clear world angles (to fix e3m3.bsp)
2984         VectorClear(prog->edicts->fields.server->angles);
2985
2986 // all setup is completed, any further precache statements are errors
2987 //      sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
2988         prog->allowworldwrites = false;
2989
2990 // run two frames to allow everything to settle
2991         prog->globals.server->time = sv.time = 1.0001;
2992         for (i = 0;i < 2;i++)
2993         {
2994                 sv.frametime = 0.1;
2995                 SV_Physics ();
2996         }
2997
2998         if (cls.state == ca_dedicated)
2999                 Mod_PurgeUnused();
3000
3001 // create a baseline for more efficient communications
3002         if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3003                 SV_CreateBaseline ();
3004
3005         sv.state = ss_active; // LordHavoc: workaround for svc_precache bug
3006
3007         // to prevent network timeouts
3008         realtime = Sys_DoubleTime();
3009         
3010 // send serverinfo to all connected clients, and set up botclients coming back from a level change
3011         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
3012         {
3013                 host_client->clientconnectcalled = false; // do NOT call ClientDisconnect if he drops before ClientConnect!
3014                 if (!host_client->active)
3015                         continue;
3016                 if (host_client->netconnection)
3017                         SV_SendServerinfo(host_client);
3018                 else
3019                 {
3020                         int j;
3021                         // if client is a botclient coming from a level change, we need to
3022                         // set up client info that normally requires networking
3023
3024                         // copy spawn parms out of the client_t
3025                         for (j=0 ; j< NUM_SPAWN_PARMS ; j++)
3026                                 (&prog->globals.server->parm1)[j] = host_client->spawn_parms[j];
3027
3028                         // call the spawn function
3029                         host_client->clientconnectcalled = true;
3030                         prog->globals.server->time = sv.time;
3031                         prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
3032                         PRVM_ExecuteProgram (prog->globals.server->ClientConnect, "QC function ClientConnect is missing");
3033                         PRVM_ExecuteProgram (prog->globals.server->PutClientInServer, "QC function PutClientInServer is missing");
3034                         host_client->spawned = true;
3035                 }
3036         }
3037
3038         Con_DPrint("Server spawned.\n");
3039         NetConn_Heartbeat (2);
3040
3041         SV_VM_End();
3042 }
3043
3044 /////////////////////////////////////////////////////
3045 // SV VM stuff
3046
3047 static void SV_VM_CB_BeginIncreaseEdicts(void)
3048 {
3049         // links don't survive the transition, so unlink everything
3050         World_UnlinkAll(&sv.world);
3051 }
3052
3053 static void SV_VM_CB_EndIncreaseEdicts(void)
3054 {
3055         int i;
3056         prvm_edict_t *ent;
3057
3058         // link every entity except world
3059         for (i = 1, ent = prog->edicts;i < prog->max_edicts;i++, ent++)
3060                 if (!ent->priv.server->free)
3061                         SV_LinkEdict(ent, false);
3062 }
3063
3064 static void SV_VM_CB_InitEdict(prvm_edict_t *e)
3065 {
3066         // LordHavoc: for consistency set these here
3067         int num = PRVM_NUM_FOR_EDICT(e) - 1;
3068
3069         e->priv.server->move = false; // don't move on first frame
3070
3071         if (num >= 0 && num < svs.maxclients)
3072         {
3073                 prvm_eval_t *val;
3074                 // set colormap and team on newly created player entity
3075                 e->fields.server->colormap = num + 1;
3076                 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
3077                 // set netname/clientcolors back to client values so that
3078                 // DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS will not immediately
3079                 // reset them
3080                 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
3081                 if ((val = PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.clientcolors)))
3082                         val->_float = svs.clients[num].colors;
3083                 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
3084                 if( prog->fieldoffsets.playermodel >= 0 )
3085                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
3086                 if( prog->fieldoffsets.playerskin >= 0 )
3087                         PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
3088                 // Assign netaddress (IP Address, etc)
3089                 if(prog->fieldoffsets.netaddress >= 0)
3090                 { // Valid Field; Process
3091                         if(svs.clients[num].netconnection != NULL)
3092                         {// Valid Address; Assign
3093                                 // Acquire Readable Address
3094                                 LHNETADDRESS_ToString(&svs.clients[num].netconnection->peeraddress, svs.clients[num].netaddress, sizeof(svs.clients[num].netaddress), false);
3095                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString(svs.clients[num].netaddress);
3096                         }
3097                         else
3098                                 // Invalid / Bot
3099                                 PRVM_EDICTFIELDVALUE(e, prog->fieldoffsets.netaddress)->string = PRVM_SetEngineString("null/botclient");
3100                 }
3101         }
3102 }
3103
3104 static void SV_VM_CB_FreeEdict(prvm_edict_t *ed)
3105 {
3106         int i;
3107         int e;
3108
3109         World_UnlinkEdict(ed);          // unlink from world bsp
3110
3111         ed->fields.server->model = 0;
3112         ed->fields.server->takedamage = 0;
3113         ed->fields.server->modelindex = 0;
3114         ed->fields.server->colormap = 0;
3115         ed->fields.server->skin = 0;
3116         ed->fields.server->frame = 0;
3117         VectorClear(ed->fields.server->origin);
3118         VectorClear(ed->fields.server->angles);
3119         ed->fields.server->nextthink = -1;
3120         ed->fields.server->solid = 0;
3121
3122         // make sure csqc networking is aware of the removed entity
3123         e = PRVM_NUM_FOR_EDICT(ed);
3124         sv.csqcentityversion[e] = 0;
3125         for (i = 0;i < svs.maxclients;i++)
3126         {
3127                 if (svs.clients[i].csqcentityscope[e])
3128                         svs.clients[i].csqcentityscope[e] = 1; // removed, awaiting send
3129                 svs.clients[i].csqcentitysendflags[e] = 0xFFFFFF;
3130         }
3131 }
3132
3133 static void SV_VM_CB_CountEdicts(void)
3134 {
3135         int             i;
3136         prvm_edict_t    *ent;
3137         int             active, models, solid, step;
3138
3139         active = models = solid = step = 0;
3140         for (i=0 ; i<prog->num_edicts ; i++)
3141         {
3142                 ent = PRVM_EDICT_NUM(i);
3143                 if (ent->priv.server->free)
3144                         continue;
3145                 active++;
3146                 if (ent->fields.server->solid)
3147                         solid++;
3148                 if (ent->fields.server->model)
3149                         models++;
3150                 if (ent->fields.server->movetype == MOVETYPE_STEP)
3151                         step++;
3152         }
3153
3154         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
3155         Con_Printf("active    :%3i\n", active);
3156         Con_Printf("view      :%3i\n", models);
3157         Con_Printf("touch     :%3i\n", solid);
3158         Con_Printf("step      :%3i\n", step);
3159 }
3160
3161 static qboolean SV_VM_CB_LoadEdict(prvm_edict_t *ent)
3162 {
3163         // remove things from different skill levels or deathmatch
3164         if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
3165         {
3166                 if (deathmatch.integer)
3167                 {
3168                         if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
3169                         {
3170                                 return false;
3171                         }
3172                 }
3173                 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY  ))
3174                         || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
3175                         || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD  )))
3176                 {
3177                         return false;
3178                 }
3179         }
3180         return true;
3181 }
3182
3183 static void SV_VM_Setup(void)
3184 {
3185         PRVM_Begin;
3186         PRVM_InitProg( PRVM_SERVERPROG );
3187
3188         // allocate the mempools
3189         // TODO: move the magic numbers/constants into #defines [9/13/2006 Black]
3190         prog->progs_mempool = Mem_AllocPool("Server Progs", 0, NULL);
3191         prog->builtins = vm_sv_builtins;
3192         prog->numbuiltins = vm_sv_numbuiltins;
3193         prog->headercrc = PROGHEADER_CRC;
3194         prog->headercrc2 = PROGHEADER_CRC_TENEBRAE;
3195         prog->max_edicts = 512;
3196         if (sv.protocol == PROTOCOL_QUAKE)
3197                 prog->limit_edicts = 640; // before quake mission pack 1 this was 512
3198         else if (sv.protocol == PROTOCOL_QUAKEDP)
3199                 prog->limit_edicts = 2048; // guessing
3200         else if (sv.protocol == PROTOCOL_NEHAHRAMOVIE)
3201                 prog->limit_edicts = 2048; // guessing!
3202         else if (sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
3203                 prog->limit_edicts = 4096; // guessing!
3204         else
3205                 prog->limit_edicts = MAX_EDICTS;
3206         prog->reserved_edicts = svs.maxclients;
3207         prog->edictprivate_size = sizeof(edict_engineprivate_t);
3208         prog->name = "server";
3209         prog->extensionstring = vm_sv_extensions;
3210         prog->loadintoworld = true;
3211
3212         prog->begin_increase_edicts = SV_VM_CB_BeginIncreaseEdicts;
3213         prog->end_increase_edicts = SV_VM_CB_EndIncreaseEdicts;
3214         prog->init_edict = SV_VM_CB_InitEdict;
3215         prog->free_edict = SV_VM_CB_FreeEdict;
3216         prog->count_edicts = SV_VM_CB_CountEdicts;
3217         prog->load_edict = SV_VM_CB_LoadEdict;
3218         prog->init_cmd = VM_SV_Cmd_Init;
3219         prog->reset_cmd = VM_SV_Cmd_Reset;
3220         prog->error_cmd = Host_Error;
3221
3222         // TODO: add a requiredfuncs list (ask LH if this is necessary at all)
3223         PRVM_LoadProgs( sv_progs.string, 0, NULL, REQFIELDS, reqfields, 0, NULL );
3224
3225         // some mods compiled with scrambling compilers lack certain critical
3226         // global names and field names such as "self" and "time" and "nextthink"
3227         // so we have to set these offsets manually, matching the entvars_t
3228         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, angles);
3229         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, chain);
3230         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, classname);
3231         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, frame);
3232         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, groundentity);
3233         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, ideal_yaw);
3234         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, nextthink);
3235         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, think);
3236         PRVM_ED_FindFieldOffset_FromStruct(entvars_t, yaw_speed);
3237         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, self);
3238         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, time);
3239         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_forward);
3240         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_right);
3241         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, v_up);
3242         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_allsolid);
3243         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_startsolid);
3244         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_fraction);
3245         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inwater);
3246         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_inopen);
3247         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_endpos);
3248         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_normal);
3249         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_plane_dist);
3250         PRVM_ED_FindGlobalOffset_FromStruct(globalvars_t, trace_ent);
3251         // OP_STATE is always supported on server (due to entvars_t)
3252         prog->flag |= PRVM_OP_STATE;
3253
3254         VM_CustomStats_Clear();//[515]: csqc
3255
3256         PRVM_End;
3257
3258         SV_Prepare_CSQC();
3259 }
3260
3261 void SV_VM_Begin(void)
3262 {
3263         PRVM_Begin;
3264         PRVM_SetProg( PRVM_SERVERPROG );
3265
3266         prog->globals.server->time = (float) sv.time;
3267 }
3268
3269 void SV_VM_End(void)
3270 {
3271         PRVM_End;
3272 }