2 Copyright (C) 1996-1997 Id Software, Inc.
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.
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.
13 See the GNU General Public License for more details.
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.
20 // sv_edict.c -- entity dictionary
25 dfunction_t *pr_functions;
28 ddef_t *pr_globaldefs;
29 dstatement_t *pr_statements;
30 globalvars_t *pr_global_struct;
31 float *pr_globals; // same as pr_global_struct
32 int pr_edict_size; // in bytes
33 int pr_edictareasize; // LordHavoc: in bytes
35 unsigned short pr_crc;
37 mempool_t *progs_mempool;
38 mempool_t *edictstring_mempool;
40 int type_size[8] = {1,sizeof(string_t)/4,1,3,1,1,sizeof(func_t)/4,sizeof(void *)/4};
42 ddef_t *ED_FieldAtOfs (int ofs);
43 qboolean ED_ParseEpair (void *base, ddef_t *key, char *s);
45 cvar_t pr_checkextension = {0, "pr_checkextension", "1"};
46 cvar_t nomonsters = {0, "nomonsters", "0"};
47 cvar_t gamecfg = {0, "gamecfg", "0"};
48 cvar_t scratch1 = {0, "scratch1", "0"};
49 cvar_t scratch2 = {0,"scratch2", "0"};
50 cvar_t scratch3 = {0, "scratch3", "0"};
51 cvar_t scratch4 = {0, "scratch4", "0"};
52 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0"};
53 cvar_t saved1 = {CVAR_SAVE, "saved1", "0"};
54 cvar_t saved2 = {CVAR_SAVE, "saved2", "0"};
55 cvar_t saved3 = {CVAR_SAVE, "saved3", "0"};
56 cvar_t saved4 = {CVAR_SAVE, "saved4", "0"};
57 cvar_t decors = {0, "decors", "0"};
58 cvar_t nehx00 = {0, "nehx00", "0"};cvar_t nehx01 = {0, "nehx01", "0"};
59 cvar_t nehx02 = {0, "nehx02", "0"};cvar_t nehx03 = {0, "nehx03", "0"};
60 cvar_t nehx04 = {0, "nehx04", "0"};cvar_t nehx05 = {0, "nehx05", "0"};
61 cvar_t nehx06 = {0, "nehx06", "0"};cvar_t nehx07 = {0, "nehx07", "0"};
62 cvar_t nehx08 = {0, "nehx08", "0"};cvar_t nehx09 = {0, "nehx09", "0"};
63 cvar_t nehx10 = {0, "nehx10", "0"};cvar_t nehx11 = {0, "nehx11", "0"};
64 cvar_t nehx12 = {0, "nehx12", "0"};cvar_t nehx13 = {0, "nehx13", "0"};
65 cvar_t nehx14 = {0, "nehx14", "0"};cvar_t nehx15 = {0, "nehx15", "0"};
66 cvar_t nehx16 = {0, "nehx16", "0"};cvar_t nehx17 = {0, "nehx17", "0"};
67 cvar_t nehx18 = {0, "nehx18", "0"};cvar_t nehx19 = {0, "nehx19", "0"};
68 cvar_t cutscene = {0, "cutscene", "1"};
69 // LordHavoc: optional runtime bounds checking (speed drain, but worth it for security, on by default - breaks most QCCX features (used by CRMod and others))
70 cvar_t pr_boundscheck = {0, "pr_boundscheck", "1"};
72 #define MAX_FIELD_LEN 64
73 #define GEFV_CACHESIZE 2
77 char field[MAX_FIELD_LEN];
80 static gefv_cache gefvCache[GEFV_CACHESIZE] = {{NULL, ""}, {NULL, ""}};
82 ddef_t *ED_FindField (char *name);
83 dfunction_t *ED_FindFunction (char *name);
85 // LordHavoc: in an effort to eliminate time wasted on GetEdictFieldValue... these are defined as externs in progs.h
99 int eval_renderamt; // HalfLife support
100 int eval_rendermode; // HalfLife support
102 int eval_ammo_shells1;
103 int eval_ammo_nails1;
104 int eval_ammo_lava_nails;
105 int eval_ammo_rockets1;
106 int eval_ammo_multi_rockets;
107 int eval_ammo_cells1;
108 int eval_ammo_plasma;
110 int eval_pitch_speed;
111 int eval_viewmodelforclient;
112 int eval_nodrawtoclient;
113 int eval_exteriormodeltoclient;
114 int eval_drawonlytoclient;
118 int eval_punchvector;
121 dfunction_t *SV_PlayerPhysicsQC;
122 dfunction_t *EndFrameQC;
124 int FindFieldOffset(char *field)
127 d = ED_FindField(field);
133 void FindEdictFieldOffsets(void)
135 eval_gravity = FindFieldOffset("gravity");
136 eval_button3 = FindFieldOffset("button3");
137 eval_button4 = FindFieldOffset("button4");
138 eval_button5 = FindFieldOffset("button5");
139 eval_button6 = FindFieldOffset("button6");
140 eval_button7 = FindFieldOffset("button7");
141 eval_button8 = FindFieldOffset("button8");
142 eval_glow_size = FindFieldOffset("glow_size");
143 eval_glow_trail = FindFieldOffset("glow_trail");
144 eval_glow_color = FindFieldOffset("glow_color");
145 eval_items2 = FindFieldOffset("items2");
146 eval_scale = FindFieldOffset("scale");
147 eval_alpha = FindFieldOffset("alpha");
148 eval_renderamt = FindFieldOffset("renderamt"); // HalfLife support
149 eval_rendermode = FindFieldOffset("rendermode"); // HalfLife support
150 eval_fullbright = FindFieldOffset("fullbright");
151 eval_ammo_shells1 = FindFieldOffset("ammo_shells1");
152 eval_ammo_nails1 = FindFieldOffset("ammo_nails1");
153 eval_ammo_lava_nails = FindFieldOffset("ammo_lava_nails");
154 eval_ammo_rockets1 = FindFieldOffset("ammo_rockets1");
155 eval_ammo_multi_rockets = FindFieldOffset("ammo_multi_rockets");
156 eval_ammo_cells1 = FindFieldOffset("ammo_cells1");
157 eval_ammo_plasma = FindFieldOffset("ammo_plasma");
158 eval_idealpitch = FindFieldOffset("idealpitch");
159 eval_pitch_speed = FindFieldOffset("pitch_speed");
160 eval_viewmodelforclient = FindFieldOffset("viewmodelforclient");
161 eval_nodrawtoclient = FindFieldOffset("nodrawtoclient");
162 eval_exteriormodeltoclient = FindFieldOffset("exteriormodeltoclient");
163 eval_drawonlytoclient = FindFieldOffset("drawonlytoclient");
164 eval_ping = FindFieldOffset("ping");
165 eval_movement = FindFieldOffset("movement");
166 eval_pmodel = FindFieldOffset("pmodel");
167 eval_punchvector = FindFieldOffset("punchvector");
168 eval_viewzoom = FindFieldOffset("viewzoom");
170 // LordHavoc: allowing QuakeC to override the player movement code
171 SV_PlayerPhysicsQC = ED_FindFunction ("SV_PlayerPhysics");
172 // LordHavoc: support for endframe
173 EndFrameQC = ED_FindFunction ("EndFrame");
180 Sets everything to NULL
183 void ED_ClearEdict (edict_t *e)
185 memset (&e->v, 0, progs->entityfields * 4);
193 Either finds a free edict, or allocates a new one.
194 Try to avoid reusing an entity that was recently freed, because it
195 can cause the client to think the entity morphed into something else
196 instead of being removed and recreated, which can cause interpolated
197 angles and bad trails.
200 edict_t *ED_Alloc (void)
205 for ( i=svs.maxclients+1 ; i<sv.num_edicts ; i++)
208 // the first couple seconds of server time can involve a lot of
209 // freeing and allocating, so relax the replacement policy
210 if (e->free && ( e->freetime < 2 || sv.time - e->freetime > 0.5 ) )
218 Host_Error ("ED_Alloc: no free edicts");
231 Marks the edict as free
232 FIXME: walk all entities and NULL out references to this entity
235 void ED_Free (edict_t *ed)
237 SV_UnlinkEdict (ed); // unlink from world bsp
241 ed->v.takedamage = 0;
242 ed->v.modelindex = 0;
246 VectorClear(ed->v.origin);
247 VectorClear(ed->v.angles);
248 ed->v.nextthink = -1;
251 ed->freetime = sv.time;
254 //===========================================================================
261 ddef_t *ED_GlobalAtOfs (int ofs)
266 for (i=0 ; i<progs->numglobaldefs ; i++)
268 def = &pr_globaldefs[i];
280 ddef_t *ED_FieldAtOfs (int ofs)
285 for (i=0 ; i<progs->numfielddefs ; i++)
287 def = &pr_fielddefs[i];
299 ddef_t *ED_FindField (char *name)
304 for (i=0 ; i<progs->numfielddefs ; i++)
306 def = &pr_fielddefs[i];
307 if (!strcmp(pr_strings + def->s_name,name) )
318 ddef_t *ED_FindGlobal (char *name)
323 for (i=0 ; i<progs->numglobaldefs ; i++)
325 def = &pr_globaldefs[i];
326 if (!strcmp(pr_strings + def->s_name,name) )
338 dfunction_t *ED_FindFunction (char *name)
343 for (i=0 ; i<progs->numfunctions ; i++)
345 func = &pr_functions[i];
346 if (!strcmp(pr_strings + func->s_name,name) )
357 Returns a string describing *data in a type specific manner
360 int NoCrash_NUM_FOR_EDICT(edict_t *e);
361 char *PR_ValueString (etype_t type, eval_t *val)
363 static char line[1024]; // LordHavoc: enlarged a bit (was 256)
368 type &= ~DEF_SAVEGLOBAL;
373 sprintf (line, "%s", pr_strings + val->string);
376 n = NoCrash_NUM_FOR_EDICT(PROG_TO_EDICT(val->edict));
377 if (n < 0 || n >= MAX_EDICTS)
378 sprintf (line, "entity %i (invalid!)", n);
380 sprintf (line, "entity %i", n);
383 f = pr_functions + val->function;
384 sprintf (line, "%s()", pr_strings + f->s_name);
387 def = ED_FieldAtOfs ( val->_int );
388 sprintf (line, ".%s", pr_strings + def->s_name);
391 sprintf (line, "void");
394 // LordHavoc: changed from %5.1f to %10.4f
395 sprintf (line, "%10.4f", val->_float);
398 // LordHavoc: changed from %5.1f to %10.4f
399 sprintf (line, "'%10.4f %10.4f %10.4f'", val->vector[0], val->vector[1], val->vector[2]);
402 sprintf (line, "pointer");
405 sprintf (line, "bad type %i", type);
416 Returns a string describing *data in a type specific manner
417 Easier to parse than PR_ValueString
420 char *PR_UglyValueString (etype_t type, eval_t *val)
422 static char line[4096];
428 type &= ~DEF_SAVEGLOBAL;
433 sprintf (line, "%s", pr_strings + val->string);
436 sprintf (line, "%i", NUM_FOR_EDICT(PROG_TO_EDICT(val->edict)));
439 f = pr_functions + val->function;
440 sprintf (line, "%s", pr_strings + f->s_name);
443 def = ED_FieldAtOfs ( val->_int );
444 // LordHavoc: parse the string a bit to turn special characters
445 // (like newline, specifically) into escape codes,
446 // this fixes saving games from various mods
447 //sprintf (line, "%s", pr_strings + def->s_name);
448 s = pr_strings + def->s_name;
449 for (i = 0;i < 4095 && *s;)
468 sprintf (line, "void");
471 sprintf (line, "%f", val->_float);
474 sprintf (line, "%f %f %f", val->vector[0], val->vector[1], val->vector[2]);
477 sprintf (line, "bad type %i", type);
488 Returns a string with a description and the contents of a global,
489 padded to 20 field width
492 char *PR_GlobalString (int ofs)
498 static char line[128];
500 val = (void *)&pr_globals[ofs];
501 def = ED_GlobalAtOfs(ofs);
503 sprintf (line,"%i(?)", ofs);
506 s = PR_ValueString (def->type, val);
507 sprintf (line,"%i(%s)%s", ofs, pr_strings + def->s_name, s);
518 char *PR_GlobalStringNoContents (int ofs)
522 static char line[128];
524 def = ED_GlobalAtOfs(ofs);
526 sprintf (line,"%i(?)", ofs);
528 sprintf (line,"%i(%s)", ofs, pr_strings + def->s_name);
546 // LordHavoc: optimized this to print out much more quickly (tempstring)
547 // LordHavoc: changed to print out every 4096 characters (incase there are a lot of fields to print)
548 void ED_Print (edict_t *ed)
556 char tempstring[8192], tempstring2[260]; // temporary string buffers
560 Con_Printf ("FREE\n");
565 sprintf(tempstring, "\nEDICT %i:\n", NUM_FOR_EDICT(ed));
566 for (i=1 ; i<progs->numfielddefs ; i++)
568 d = &pr_fielddefs[i];
569 name = pr_strings + d->s_name;
570 if (name[strlen(name)-2] == '_')
571 continue; // skip _x, _y, _z vars
573 v = (int *)((char *)&ed->v + d->ofs*4);
575 // if the value is still all 0, skip the field
576 type = d->type & ~DEF_SAVEGLOBAL;
578 for (j=0 ; j<type_size[type] ; j++)
581 if (j == type_size[type])
584 if (strlen(name) > 256)
586 strncpy(tempstring2, name, 256);
587 tempstring2[256] = tempstring2[257] = tempstring2[258] = '.';
588 tempstring2[259] = 0;
591 strcat(tempstring, name);
592 for (l = strlen(name);l < 14;l++)
593 strcat(tempstring, " ");
594 strcat(tempstring, " ");
596 name = PR_ValueString(d->type, (eval_t *)v);
597 if (strlen(name) > 256)
599 strncpy(tempstring2, name, 256);
600 tempstring2[256] = tempstring2[257] = tempstring2[258] = '.';
601 tempstring2[259] = 0;
604 strcat(tempstring, name);
605 strcat(tempstring, "\n");
606 if (strlen(tempstring) >= 4096)
608 Con_Printf("%s", tempstring);
613 Con_Printf("%s", tempstring);
623 void ED_Write (QFile *f, edict_t *ed)
639 for (i=1 ; i<progs->numfielddefs ; i++)
641 d = &pr_fielddefs[i];
642 name = pr_strings + d->s_name;
643 if (name[strlen(name)-2] == '_')
644 continue; // skip _x, _y, _z vars
646 v = (int *)((char *)&ed->v + d->ofs*4);
648 // if the value is still all 0, skip the field
649 type = d->type & ~DEF_SAVEGLOBAL;
650 for (j=0 ; j<type_size[type] ; j++)
653 if (j == type_size[type])
656 Qprintf (f,"\"%s\" ",name);
657 Qprintf (f,"\"%s\"\n", PR_UglyValueString(d->type, (eval_t *)v));
663 void ED_PrintNum (int ent)
665 ED_Print (EDICT_NUM(ent));
672 For debugging, prints all the entities in the current server
675 void ED_PrintEdicts (void)
679 Con_Printf ("%i entities\n", sv.num_edicts);
680 for (i=0 ; i<sv.num_edicts ; i++)
688 For debugging, prints a single edicy
691 void ED_PrintEdict_f (void)
695 i = atoi (Cmd_Argv(1));
696 if (i >= sv.num_edicts)
698 Con_Printf("Bad edict number\n");
715 int active, models, solid, step;
717 active = models = solid = step = 0;
718 for (i=0 ; i<sv.num_edicts ; i++)
728 if (ent->v.movetype == MOVETYPE_STEP)
732 Con_Printf ("num_edicts:%3i\n", sv.num_edicts);
733 Con_Printf ("active :%3i\n", active);
734 Con_Printf ("view :%3i\n", models);
735 Con_Printf ("touch :%3i\n", solid);
736 Con_Printf ("step :%3i\n", step);
741 ==============================================================================
745 FIXME: need to tag constants, doesn't really work
746 ==============================================================================
754 void ED_WriteGlobals (QFile *f)
762 for (i=0 ; i<progs->numglobaldefs ; i++)
764 def = &pr_globaldefs[i];
766 if ( !(def->type & DEF_SAVEGLOBAL) )
768 type &= ~DEF_SAVEGLOBAL;
770 if (type != ev_string && type != ev_float && type != ev_entity)
773 name = pr_strings + def->s_name;
774 Qprintf (f,"\"%s\" ", name);
775 Qprintf (f,"\"%s\"\n", PR_UglyValueString(type, (eval_t *)&pr_globals[def->ofs]));
785 void ED_ParseGlobals (char *data)
787 char keyname[1024]; // LordHavoc: good idea? bad idea? was 64
793 data = COM_Parse (data);
794 if (com_token[0] == '}')
797 Host_Error ("ED_ParseEntity: EOF without closing brace");
799 strcpy (keyname, com_token);
802 data = COM_Parse (data);
804 Host_Error ("ED_ParseEntity: EOF without closing brace");
806 if (com_token[0] == '}')
807 Host_Error ("ED_ParseEntity: closing brace without data");
809 key = ED_FindGlobal (keyname);
812 Con_DPrintf ("'%s' is not a global\n", keyname);
816 if (!ED_ParseEpair ((void *)pr_globals, key, com_token))
817 Host_Error ("ED_ParseGlobals: parse error");
821 //============================================================================
829 char *ED_NewString (char *string)
834 l = strlen(string) + 1;
835 new = Mem_Alloc(edictstring_mempool, l);
838 for (i=0 ; i< l ; i++)
840 if (string[i] == '\\' && i < l-1)
843 if (string[i] == 'n')
849 *new_p++ = string[i];
860 Can parse either fields or globals
861 returns false if error
864 qboolean ED_ParseEpair (void *base, ddef_t *key, char *s)
873 d = (void *)((int *)base + key->ofs);
875 switch (key->type & ~DEF_SAVEGLOBAL)
878 *(string_t *)d = ED_NewString (s) - pr_strings;
882 *(float *)d = atof (s);
889 for (i=0 ; i<3 ; i++)
891 while (*v && *v != ' ')
894 ((float *)d)[i] = atof (w);
900 *(int *)d = EDICT_TO_PROG(EDICT_NUM(atoi (s)));
904 def = ED_FindField (s);
907 // LordHavoc: don't warn about worldspawn sky/fog fields because they don't require mod support
908 if (strcmp(s, "sky") && strcmp(s, "fog") && strncmp(s, "fog_", 4) && strcmp(s, "farclip"))
909 Con_DPrintf ("Can't find field %s\n", s);
912 *(int *)d = G_INT(def->ofs);
916 func = ED_FindFunction (s);
919 Con_DPrintf ("Can't find function %s\n", s);
922 *(func_t *)d = func - pr_functions;
935 Parses an edict out of the given string, returning the new position
936 ed should be a properly initialized empty edict.
937 Used for initial level load and for savegames.
940 char *ED_ParseEdict (char *data, edict_t *ent)
951 if (ent != sv.edicts) // hack
952 memset (&ent->v, 0, progs->entityfields * 4);
954 // go through all the dictionary pairs
958 data = COM_Parse (data);
959 if (com_token[0] == '}')
962 Host_Error ("ED_ParseEntity: EOF without closing brace");
964 // anglehack is to allow QuakeEd to write single scalar angles
965 // and allow them to be turned into vectors. (FIXME...)
966 if (!strcmp(com_token, "angle"))
968 strcpy (com_token, "angles");
974 // FIXME: change light to _light to get rid of this hack
975 if (!strcmp(com_token, "light"))
976 strcpy (com_token, "light_lev"); // hack for single light def
978 strcpy (keyname, com_token);
980 // another hack to fix heynames with trailing spaces
982 while (n && keyname[n-1] == ' ')
989 data = COM_Parse (data);
991 Host_Error ("ED_ParseEntity: EOF without closing brace");
993 if (com_token[0] == '}')
994 Host_Error ("ED_ParseEntity: closing brace without data");
998 // keynames with a leading underscore are used for utility comments,
999 // and are immediately discarded by quake
1000 if (keyname[0] == '_')
1003 key = ED_FindField (keyname);
1006 Con_DPrintf ("'%s' is not a field\n", keyname);
1013 strcpy (temp, com_token);
1014 sprintf (com_token, "0 %s 0", temp);
1017 if (!ED_ParseEpair ((void *)&ent->v, key, com_token))
1018 Host_Error ("ED_ParseEdict: parse error");
1032 The entities are directly placed in the array, rather than allocated with
1033 ED_Alloc, because otherwise an error loading the map would have entity
1034 number references out of order.
1036 Creates a server's entity / program execution context by
1037 parsing textual entity definitions out of an ent file.
1039 Used for both fresh maps and savegame loads. A fresh map would also need
1040 to call ED_CallSpawnFunctions () to let the objects initialize themselves.
1043 void ED_LoadFromFile (char *data)
1051 pr_global_struct->time = sv.time;
1056 // parse the opening brace
1057 data = COM_Parse (data);
1060 if (com_token[0] != '{')
1061 Host_Error ("ED_LoadFromFile: found %s when expecting {",com_token);
1067 data = ED_ParseEdict (data, ent);
1069 // remove things from different skill levels or deathmatch
1070 if (deathmatch.integer)
1072 if (((int)ent->v.spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
1079 else if ((current_skill == 0 && ((int)ent->v.spawnflags & SPAWNFLAG_NOT_EASY ))
1080 || (current_skill == 1 && ((int)ent->v.spawnflags & SPAWNFLAG_NOT_MEDIUM))
1081 || (current_skill >= 2 && ((int)ent->v.spawnflags & SPAWNFLAG_NOT_HARD )))
1089 // immediately call spawn function
1091 if (!ent->v.classname)
1093 Con_Printf ("No classname for:\n");
1099 // look for the spawn function
1100 func = ED_FindFunction ( pr_strings + ent->v.classname );
1104 if (developer.integer) // don't confuse non-developers with errors
1106 Con_Printf ("No spawn function for:\n");
1113 pr_global_struct->self = EDICT_TO_PROG(ent);
1114 PR_ExecuteProgram (func - pr_functions, "");
1117 Con_DPrintf ("%i entities inhibited\n", inhibit);
1121 typedef struct dpfield_s
1128 #define DPFIELDS (sizeof(dpfields) / sizeof(dpfield_t))
1130 dpfield_t dpfields[] =
1132 {ev_float, "gravity"},
1133 {ev_float, "button3"},
1134 {ev_float, "button4"},
1135 {ev_float, "button5"},
1136 {ev_float, "button6"},
1137 {ev_float, "button7"},
1138 {ev_float, "button8"},
1139 {ev_float, "glow_size"},
1140 {ev_float, "glow_trail"},
1141 {ev_float, "glow_color"},
1142 {ev_float, "items2"},
1143 {ev_float, "scale"},
1144 {ev_float, "alpha"},
1145 {ev_float, "renderamt"},
1146 {ev_float, "rendermode"},
1147 {ev_float, "fullbright"},
1148 {ev_float, "ammo_shells1"},
1149 {ev_float, "ammo_nails1"},
1150 {ev_float, "ammo_lava_nails"},
1151 {ev_float, "ammo_rockets1"},
1152 {ev_float, "ammo_multi_rockets"},
1153 {ev_float, "ammo_cells1"},
1154 {ev_float, "ammo_plasma"},
1155 {ev_float, "idealpitch"},
1156 {ev_float, "pitch_speed"},
1157 {ev_entity, "viewmodelforclient"},
1158 {ev_entity, "nodrawtoclient"},
1159 {ev_entity, "exteriormodeltoclient"},
1160 {ev_entity, "drawonlytoclient"},
1162 {ev_vector, "movement"},
1163 {ev_float, "pmodel"},
1164 {ev_vector, "punchvector"}
1172 void PR_LoadProgs (void)
1176 ddef_t *infielddefs;
1179 // flush the non-C variable lookup cache
1180 for (i=0 ; i<GEFV_CACHESIZE ; i++)
1181 gefvCache[i].field[0] = 0;
1183 Mem_EmptyPool(progs_mempool);
1184 Mem_EmptyPool(edictstring_mempool);
1186 temp = COM_LoadFile ("progs.dat", false);
1188 Host_Error ("PR_LoadProgs: couldn't load progs.dat");
1190 progs = (dprograms_t *)Mem_Alloc(progs_mempool, com_filesize);
1192 memcpy(progs, temp, com_filesize);
1195 Con_DPrintf ("Programs occupy %iK.\n", com_filesize/1024);
1197 pr_crc = CRC_Block((qbyte *)progs, com_filesize);
1199 // byte swap the header
1200 for (i=0 ; i<sizeof(*progs)/4 ; i++)
1201 ((int *)progs)[i] = LittleLong ( ((int *)progs)[i] );
1203 if (progs->version != PROG_VERSION)
1204 Host_Error ("progs.dat has wrong version number (%i should be %i)", progs->version, PROG_VERSION);
1205 if (progs->crc != PROGHEADER_CRC)
1206 Host_Error ("progs.dat system vars have been modified, progdefs.h is out of date");
1208 pr_functions = (dfunction_t *)((qbyte *)progs + progs->ofs_functions);
1209 pr_strings = (char *)progs + progs->ofs_strings;
1210 pr_globaldefs = (ddef_t *)((qbyte *)progs + progs->ofs_globaldefs);
1212 // we need to expand the fielddefs list to include all the engine fields,
1213 // so allocate a new place for it
1214 infielddefs = (ddef_t *)((qbyte *)progs + progs->ofs_fielddefs);
1215 pr_fielddefs = Mem_Alloc(progs_mempool, (progs->numfielddefs + DPFIELDS) * sizeof(ddef_t));
1217 pr_statements = (dstatement_t *)((qbyte *)progs + progs->ofs_statements);
1219 // moved edict_size calculation down below field adding code
1221 pr_global_struct = (globalvars_t *)((qbyte *)progs + progs->ofs_globals);
1222 pr_globals = (float *)pr_global_struct;
1224 // byte swap the lumps
1225 for (i=0 ; i<progs->numstatements ; i++)
1227 pr_statements[i].op = LittleShort(pr_statements[i].op);
1228 pr_statements[i].a = LittleShort(pr_statements[i].a);
1229 pr_statements[i].b = LittleShort(pr_statements[i].b);
1230 pr_statements[i].c = LittleShort(pr_statements[i].c);
1233 for (i=0 ; i<progs->numfunctions; i++)
1235 pr_functions[i].first_statement = LittleLong (pr_functions[i].first_statement);
1236 pr_functions[i].parm_start = LittleLong (pr_functions[i].parm_start);
1237 pr_functions[i].s_name = LittleLong (pr_functions[i].s_name);
1238 pr_functions[i].s_file = LittleLong (pr_functions[i].s_file);
1239 pr_functions[i].numparms = LittleLong (pr_functions[i].numparms);
1240 pr_functions[i].locals = LittleLong (pr_functions[i].locals);
1243 for (i=0 ; i<progs->numglobaldefs ; i++)
1245 pr_globaldefs[i].type = LittleShort (pr_globaldefs[i].type);
1246 pr_globaldefs[i].ofs = LittleShort (pr_globaldefs[i].ofs);
1247 pr_globaldefs[i].s_name = LittleLong (pr_globaldefs[i].s_name);
1250 // copy the progs fields to the new fields list
1251 for (i = 0;i < progs->numfielddefs;i++)
1253 pr_fielddefs[i].type = LittleShort (infielddefs[i].type);
1254 if (pr_fielddefs[i].type & DEF_SAVEGLOBAL)
1255 Host_Error ("PR_LoadProgs: pr_fielddefs[i].type & DEF_SAVEGLOBAL");
1256 pr_fielddefs[i].ofs = LittleShort (infielddefs[i].ofs);
1257 pr_fielddefs[i].s_name = LittleLong (infielddefs[i].s_name);
1260 // append the darkplaces fields
1261 for (i = 0;i < DPFIELDS;i++)
1263 pr_fielddefs[progs->numfielddefs].type = dpfields[i].type;
1264 pr_fielddefs[progs->numfielddefs].ofs = progs->entityfields;
1265 pr_fielddefs[progs->numfielddefs].s_name = dpfields[i].string - pr_strings;
1266 if (pr_fielddefs[progs->numfielddefs].type == ev_vector)
1267 progs->entityfields += 3;
1269 progs->entityfields++;
1270 progs->numfielddefs++;
1273 for (i=0 ; i<progs->numglobals ; i++)
1274 ((int *)pr_globals)[i] = LittleLong (((int *)pr_globals)[i]);
1276 // moved edict_size calculation down here, below field adding code
1277 pr_edict_size = progs->entityfields * 4 + sizeof (edict_t) - sizeof(entvars_t);
1279 pr_edictareasize = pr_edict_size * MAX_EDICTS;
1281 // LordHavoc: bounds check anything static
1282 for (i = 0,st = pr_statements;i < progs->numstatements;i++,st++)
1288 if ((unsigned short) st->a >= progs->numglobals || st->b + i < 0 || st->b + i >= progs->numstatements)
1289 Host_Error("PR_LoadProgs: out of bounds IF/IFNOT (statement %d)\n", i);
1292 if (st->a + i < 0 || st->a + i >= progs->numstatements)
1293 Host_Error("PR_LoadProgs: out of bounds GOTO (statement %d)\n", i);
1295 // global global global
1330 if ((unsigned short) st->a >= progs->numglobals || (unsigned short) st->b >= progs->numglobals || (unsigned short) st->c >= progs->numglobals)
1331 Host_Error("PR_LoadProgs: out of bounds global index (statement %d)\n", i);
1333 // global none global
1339 if ((unsigned short) st->a >= progs->numglobals || (unsigned short) st->c >= progs->numglobals)
1340 Host_Error("PR_LoadProgs: out of bounds global index (statement %d)\n", i);
1356 if ((unsigned short) st->a >= progs->numglobals || (unsigned short) st->b >= progs->numglobals)
1357 Host_Error("PR_LoadProgs: out of bounds global index (statement %d)\n", i);
1371 if ((unsigned short) st->a >= progs->numglobals)
1372 Host_Error("PR_LoadProgs: out of bounds global index (statement %d)\n", i);
1375 Host_Error("PR_LoadProgs: unknown opcode %d at statement %d\n", st->op, i);
1380 FindEdictFieldOffsets(); // LordHavoc: update field offset list
1384 void PR_Fields_f (void)
1389 Con_Printf("no progs loaded\n");
1392 for (i = 0;i < progs->numfielddefs;i++)
1393 Con_Printf("%s\n", (pr_strings + pr_fielddefs[i].s_name));
1394 Con_Printf("%i entity fields, totalling %i bytes per edict, %i edicts, %i bytes total spent on edict fields\n", progs->entityfields, progs->entityfields * 4, MAX_EDICTS, progs->entityfields * 4 * MAX_EDICTS);
1397 void PR_Globals_f (void)
1402 Con_Printf("no progs loaded\n");
1405 for (i = 0;i < progs->numglobaldefs;i++)
1406 Con_Printf("%s\n", (pr_strings + pr_globaldefs[i].s_name));
1407 Con_Printf("%i global variables, totalling %i bytes\n", progs->numglobals, progs->numglobals * 4);
1417 Cmd_AddCommand ("edict", ED_PrintEdict_f);
1418 Cmd_AddCommand ("edicts", ED_PrintEdicts);
1419 Cmd_AddCommand ("edictcount", ED_Count);
1420 Cmd_AddCommand ("profile", PR_Profile_f);
1421 Cmd_AddCommand ("pr_fields", PR_Fields_f);
1422 Cmd_AddCommand ("pr_globals", PR_Globals_f);
1423 Cvar_RegisterVariable (&pr_checkextension);
1424 Cvar_RegisterVariable (&nomonsters);
1425 Cvar_RegisterVariable (&gamecfg);
1426 Cvar_RegisterVariable (&scratch1);
1427 Cvar_RegisterVariable (&scratch2);
1428 Cvar_RegisterVariable (&scratch3);
1429 Cvar_RegisterVariable (&scratch4);
1430 Cvar_RegisterVariable (&savedgamecfg);
1431 Cvar_RegisterVariable (&saved1);
1432 Cvar_RegisterVariable (&saved2);
1433 Cvar_RegisterVariable (&saved3);
1434 Cvar_RegisterVariable (&saved4);
1435 // LordHavoc: for DarkPlaces, this overrides the number of decors (shell casings, gibs, etc)
1436 Cvar_RegisterVariable (&decors);
1437 // LordHavoc: Nehahra uses these to pass data around cutscene demos
1438 if (gamemode == GAME_NEHAHRA)
1440 Cvar_RegisterVariable (&nehx00);Cvar_RegisterVariable (&nehx01);
1441 Cvar_RegisterVariable (&nehx02);Cvar_RegisterVariable (&nehx03);
1442 Cvar_RegisterVariable (&nehx04);Cvar_RegisterVariable (&nehx05);
1443 Cvar_RegisterVariable (&nehx06);Cvar_RegisterVariable (&nehx07);
1444 Cvar_RegisterVariable (&nehx08);Cvar_RegisterVariable (&nehx09);
1445 Cvar_RegisterVariable (&nehx10);Cvar_RegisterVariable (&nehx11);
1446 Cvar_RegisterVariable (&nehx12);Cvar_RegisterVariable (&nehx13);
1447 Cvar_RegisterVariable (&nehx14);Cvar_RegisterVariable (&nehx15);
1448 Cvar_RegisterVariable (&nehx16);Cvar_RegisterVariable (&nehx17);
1449 Cvar_RegisterVariable (&nehx18);Cvar_RegisterVariable (&nehx19);
1451 Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
1452 // LordHavoc: optional runtime bounds checking (speed drain, but worth it for security, on by default - breaks most QCCX features (used by CRMod and others))
1453 Cvar_RegisterVariable (&pr_boundscheck);
1455 progs_mempool = Mem_AllocPool("progs.dat");
1456 edictstring_mempool = Mem_AllocPool("edict strings");
1459 // LordHavoc: turned EDICT_NUM into a #define for speed reasons
1460 edict_t *EDICT_NUM_ERROR(int n)
1462 Host_Error ("EDICT_NUM: bad number %i", n);
1466 int NUM_FOR_EDICT(edict_t *e)
1470 b = (qbyte *)e - (qbyte *)sv.edicts;
1471 b = b / pr_edict_size;
1473 if (b < 0 || b >= sv.num_edicts)
1474 Host_Error ("NUM_FOR_EDICT: bad pointer");
1478 int NoCrash_NUM_FOR_EDICT(edict_t *e)
1482 b = (qbyte *)e - (qbyte *)sv.edicts;
1483 b = b / pr_edict_size;