2 * Copyright (c) 2011 Rudolf Polzer
3 * Copyright (c) 2015 Micah Talkiewicz
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to
7 * deal in the Software without restriction, including without limitation the
8 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
9 * sell copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 #include "../dpdefs/csprogsdefs.qh"
25 #include "../client/defs.qh"
26 #include "../common/constants.qh"
27 #include "../common/stats.qh"
28 #include "../common/util.qh"
29 #include "interpolate.qh"
30 #include "../client/main.qh"
32 #include "cl_model.qh"
33 #include "cl_player.qh"
34 #include "../common/triggers/trigger/viewloc.qh"
35 #include "../common/viewloc.qh"
40 float autocvar_cl_movement_errorcompensation = 0;
41 int autocvar_cl_movement = 1;
44 float pmove_onground; // weird engine flag we shouldn't really use but have to for now
46 vector csqcplayer_origin, csqcplayer_velocity;
47 float csqcplayer_sequence;
49 float csqcplayer_moveframe;
50 vector csqcplayer_predictionerroro;
51 vector csqcplayer_predictionerrorv;
52 float csqcplayer_predictionerrortime;
53 float csqcplayer_predictionerrorfactor;
55 vector CSQCPlayer_GetPredictionErrorO()
57 if(time >= csqcplayer_predictionerrortime)
59 return csqcplayer_predictionerroro * (csqcplayer_predictionerrortime - time) * csqcplayer_predictionerrorfactor;
62 vector CSQCPlayer_GetPredictionErrorV()
64 if(time >= csqcplayer_predictionerrortime)
66 return csqcplayer_predictionerrorv * (csqcplayer_predictionerrortime - time) * csqcplayer_predictionerrorfactor;
69 void CSQCPlayer_SetPredictionError(vector o, vector v, float onground_diff)
71 // error too big to compensate, we LIKELY hit a teleport or a
72 // jumppad, or it's a jump time disagreement that'll get fixed
75 // FIXME we sometimes have disagreement in order of jump velocity. Do not act on them!
77 // commented out as this one did not help
80 printf("ONGROUND MISMATCH: %d x=%v v=%v\n", onground_diff, o, v);
84 if(vlen(o) > 32 || vlen(v) > 192)
86 //printf("TOO BIG: x=%v v=%v\n", o, v);
90 if(!autocvar_cl_movement_errorcompensation)
92 csqcplayer_predictionerrorfactor = 0;
96 csqcplayer_predictionerroro = CSQCPlayer_GetPredictionErrorO() + o;
97 csqcplayer_predictionerrorv = CSQCPlayer_GetPredictionErrorV() + v;
98 csqcplayer_predictionerrorfactor = autocvar_cl_movement_errorcompensation / ticrate;
99 csqcplayer_predictionerrortime = time + 1.0 / csqcplayer_predictionerrorfactor;
102 void CSQCPlayer_Unpredict()
104 if(csqcplayer_status == CSQCPLAYERSTATUS_UNPREDICTED)
106 if(csqcplayer_status != CSQCPLAYERSTATUS_PREDICTED)
107 error("Cannot unpredict in current status");
108 self.origin = csqcplayer_origin;
109 self.velocity = csqcplayer_velocity;
110 csqcplayer_moveframe = csqcplayer_sequence+1; //+1 because the recieved frame has the move already done (server side)
111 self.flags = player_pmflags;
114 void CSQCPlayer_SetMinsMaxs()
116 if(self.flags & FL_DUCKED)
118 self.mins = PL_CROUCH_MIN;
119 self.maxs = PL_CROUCH_MAX;
120 self.view_ofs = PL_CROUCH_VIEW_OFS;
126 self.view_ofs = PL_VIEW_OFS;
130 void CSQCPlayer_SavePrediction()
132 player_pmflags = self.flags;
133 csqcplayer_origin = self.origin;
134 csqcplayer_velocity = self.velocity;
135 csqcplayer_sequence = servercommandframe;
136 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
139 void CSQC_ClientMovement_PlayerMove_Frame();
141 void PM_Movement_Move()
143 runstandardplayerphysics(self);
146 ((self.pmove_flags & PMF_DUCKED) ? FL_DUCKED : 0) |
147 (!(self.pmove_flags & PMF_JUMP_HELD) ? FL_JUMPRELEASED : 0) |
148 ((self.pmove_flags & PMF_ONGROUND) ? FL_ONGROUND : 0);
152 void CSQCPlayer_Physics(void)
154 switch(autocvar_cl_movement)
156 case 1: CSQC_ClientMovement_PlayerMove_Frame(); break;
157 case 2: PM_Movement_Move(); break;
161 void CSQCPlayer_PredictTo(float endframe, float apply_error)
163 CSQCPlayer_Unpredict();
166 self.origin += CSQCPlayer_GetPredictionErrorO();
167 self.velocity += CSQCPlayer_GetPredictionErrorV();
169 CSQCPlayer_SetMinsMaxs();
171 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
174 // we don't need this
175 // darkplaces makes servercommandframe == 0 in these cases anyway
176 if (getstatf(STAT_HEALTH) <= 0)
178 csqcplayer_moveframe = clientcommandframe;
179 getinputstate(csqcplayer_moveframe-1);
180 LOG_INFO("the Weird code path got hit\n");
185 if(csqcplayer_moveframe >= endframe)
187 getinputstate(csqcplayer_moveframe - 1);
193 if (!getinputstate(csqcplayer_moveframe))
195 CSQCPlayer_Physics();
196 CSQCPlayer_SetMinsMaxs();
197 csqcplayer_moveframe++;
199 while(csqcplayer_moveframe < endframe);
202 //add in anything that was applied after (for low packet rate protocols)
203 input_angles = view_angles;
206 bool CSQCPlayer_IsLocalPlayer()
208 return (self == csqcplayer);
211 void CSQCPlayer_SetViewLocation()
213 viewloc_SetViewLocation();
216 void CSQCPlayer_SetCamera()
219 v0 = pmove_vel; // TRICK: pmove_vel is set by the engine when we get here. No need to network velocity
223 entity oldself = self;
226 if(servercommandframe == 0 || clientcommandframe == 0)
228 InterpolateOrigin_Do();
229 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
231 // get crouch state from the server
232 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS.z)
233 self.flags &= ~FL_DUCKED;
234 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS.z)
235 self.flags |= FL_DUCKED;
237 // get onground state from the server
239 self.flags |= FL_ONGROUND;
241 self.flags &= ~FL_ONGROUND;
243 CSQCPlayer_SetMinsMaxs();
245 // override it back just in case
246 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
253 float flg = self.iflags;
254 self.iflags &= ~(IFLAG_ORIGIN | IFLAG_ANGLES);
255 InterpolateOrigin_Do();
258 if(csqcplayer_status == CSQCPLAYERSTATUS_FROMSERVER)
263 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
264 CSQCPlayer_PredictTo(servercommandframe + 1, false);
265 CSQCPlayer_SetPredictionError(self.origin - o, self.velocity - v, pmove_onground - !!(self.flags & FL_ONGROUND));
269 // get crouch state from the server
270 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS.z)
271 self.flags &= ~FL_DUCKED;
272 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS.z)
273 self.flags |= FL_DUCKED;
275 // get onground state from the server
277 self.flags |= FL_ONGROUND;
279 self.flags &= ~FL_ONGROUND;
281 CSQCPlayer_SavePrediction();
283 CSQCPlayer_PredictTo(clientcommandframe + 1, true);
285 #ifdef CSQCMODEL_SERVERSIDE_CROUCH
286 // get crouch state from the server (LAG)
287 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS.z)
288 self.flags &= ~FL_DUCKED;
289 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS.z)
290 self.flags |= FL_DUCKED;
293 CSQCPlayer_SetMinsMaxs();
295 self.angles_y = input_angles.y;
299 setorigin(self, self.origin);
305 view = CSQCModel_server2csqc(player_localentnum);
307 if(view && view != csqcplayer)
309 SELFCALL(view, InterpolateOrigin_Do());
310 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
318 if(view.csqcmodel_teleported)
319 refdefflags |= REFDEFFLAG_TELEPORTED;
321 if(input_buttons & 4)
322 refdefflags |= REFDEFFLAG_JUMPING;
324 // note: these two only work in WIP2, but are harmless in WIP1
325 if(getstati(STAT_HEALTH) <= 0)
326 refdefflags |= REFDEFFLAG_DEAD;
329 refdefflags |= REFDEFFLAG_INTERMISSION;
331 V_CalcRefdef(view, refdefflags);
335 // FIXME by CSQC spec we have to do this:
336 // but it breaks chase cam
338 setproperty(VF_ORIGIN, pmove_org + '0 0 1' * getstati(STAT_VIEWHEIGHT));
339 setproperty(VF_ANGLES, view_angles);
343 { CSQCPLAYER_HOOK_POSTCAMERASETUP }
346 void CSQCPlayer_Remove()
349 cvar_settemp("cl_movement_replay", "1");
352 float CSQCPlayer_PreUpdate()
354 if(self != csqcplayer)
356 if(csqcplayer_status != CSQCPLAYERSTATUS_FROMSERVER)
357 CSQCPlayer_Unpredict();
361 float CSQCPlayer_PostUpdate()
363 if(self.entnum != player_localnum + 1)
366 csqcplayer_status = CSQCPLAYERSTATUS_FROMSERVER;
367 cvar_settemp("cl_movement_replay", "0");
368 self.entremove = CSQCPlayer_Remove;