2 * Copyright (c) 2011 Rudolf Polzer
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to
6 * deal in the Software without restriction, including without limitation the
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8 * sell copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
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14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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23 var float autocvar_cl_movement_errorcompensation = 0;
27 float pmove_onground; // weird engine flag we shouldn't really use but have to for now
28 #define PMF_JUMP_HELD 1
30 #define PMF_ONGROUND 8
31 #define REFDEFFLAG_TELEPORTED 1
32 #define REFDEFFLAG_JUMPING 2
34 vector csqcplayer_origin, csqcplayer_velocity;
35 float csqcplayer_sequence, player_pmflags;
36 float csqcplayer_moveframe;
37 vector csqcplayer_predictionerroro;
38 vector csqcplayer_predictionerrorv;
39 float csqcplayer_predictionerrortime;
40 float csqcplayer_predictionerrorfactor;
42 vector CSQCPlayer_GetPredictionErrorO()
44 if(time >= csqcplayer_predictionerrortime)
46 return csqcplayer_predictionerroro * (csqcplayer_predictionerrortime - time) * csqcplayer_predictionerrorfactor;
49 vector CSQCPlayer_GetPredictionErrorV()
51 if(time >= csqcplayer_predictionerrortime)
53 return csqcplayer_predictionerrorv * (csqcplayer_predictionerrortime - time) * csqcplayer_predictionerrorfactor;
56 void CSQCPlayer_SetPredictionError(vector o, vector v, float onground_diff)
58 // error too big to compensate, we LIKELY hit a teleport or a
59 // jumppad, or it's a jump time disagreement that'll get fixed
62 // FIXME we sometimes have disagreement in order of jump velocity. Do not act on them!
64 // commented out as this one did not help
67 print(sprintf("ONGROUND MISMATCH: %d x=%v v=%v\n", onground_diff, o, v));
71 if(vlen(o) > 32 || vlen(v) > 192)
73 //print(sprintf("TOO BIG: x=%v v=%v\n", o, v));
77 if(!autocvar_cl_movement_errorcompensation)
79 csqcplayer_predictionerrorfactor = 0;
83 csqcplayer_predictionerroro = CSQCPlayer_GetPredictionErrorO() + o;
84 csqcplayer_predictionerrorv = CSQCPlayer_GetPredictionErrorV() + v;
85 csqcplayer_predictionerrorfactor = autocvar_cl_movement_errorcompensation / ticrate;
86 csqcplayer_predictionerrortime = time + 1.0 / csqcplayer_predictionerrorfactor;
89 void CSQCPlayer_Unpredict()
91 if(csqcplayer_status == CSQCPLAYERSTATUS_UNPREDICTED)
93 if(csqcplayer_status != CSQCPLAYERSTATUS_PREDICTED)
94 error("Cannot unpredict in current status");
95 self.origin = csqcplayer_origin;
96 self.velocity = csqcplayer_velocity;
97 csqcplayer_moveframe = csqcplayer_sequence+1; //+1 because the recieved frame has the move already done (server side)
98 self.pmove_flags = player_pmflags;
101 void CSQCPlayer_SetMinsMaxs()
103 if(self.pmove_flags & PMF_DUCKED)
105 self.mins = PL_CROUCH_MIN;
106 self.maxs = PL_CROUCH_MAX;
107 self.view_ofs = PL_CROUCH_VIEW_OFS;
113 self.view_ofs = PL_VIEW_OFS;
117 void CSQCPlayer_SavePrediction()
119 player_pmflags = self.pmove_flags;
120 csqcplayer_origin = self.origin;
121 csqcplayer_velocity = self.velocity;
122 csqcplayer_sequence = servercommandframe;
123 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
126 void CSQCPlayer_PredictTo(float endframe, float apply_error)
128 CSQCPlayer_Unpredict();
131 self.origin += CSQCPlayer_GetPredictionErrorO();
132 self.velocity += CSQCPlayer_GetPredictionErrorV();
134 CSQCPlayer_SetMinsMaxs();
136 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
139 // we don't need this
140 // darkplaces makes servercommandframe == 0 in these cases anyway
141 if (getstatf(STAT_HEALTH) <= 0)
143 csqcplayer_moveframe = clientcommandframe;
144 getinputstate(csqcplayer_moveframe-1);
145 print("the Weird code path got hit\n");
150 if(csqcplayer_moveframe >= endframe)
152 getinputstate(csqcplayer_moveframe - 1);
158 if (!getinputstate(csqcplayer_moveframe))
160 runstandardplayerphysics(self);
161 CSQCPlayer_SetMinsMaxs();
162 csqcplayer_moveframe++;
164 while(csqcplayer_moveframe < endframe);
167 //add in anything that was applied after (for low packet rate protocols)
168 input_angles = view_angles;
171 float CSQCPlayer_IsLocalPlayer()
173 return (self == csqcplayer);
176 void(entity e, float fl) V_CalcRefdef = #640; // DP_CSQC_V_CALCREFDEF
178 void CSQCPlayer_SetCamera()
181 v0 = pmove_vel; // TRICK: pmove_vel is set by the engine when we get here. No need to network velocity
189 #ifdef COMPAT_XON050_ENGINE
190 if(servercommandframe == 0 || clientcommandframe == 0 || !(checkextension("DP_CSQC_V_CALCREFDEF") || checkextension("DP_CSQC_V_CALCREFDEF_WIP1")))
192 if(servercommandframe == 0 || clientcommandframe == 0)
195 InterpolateOrigin_Do();
196 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
198 // get crouch state from the server
199 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS_z)
200 self.pmove_flags &~= PMF_DUCKED;
201 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS_z)
202 self.pmove_flags |= PMF_DUCKED;
204 // get onground state from the server
206 self.pmove_flags |= PMF_ONGROUND;
208 self.pmove_flags &~= PMF_ONGROUND;
210 CSQCPlayer_SetMinsMaxs();
212 // override it back just in case
213 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
220 if(csqcplayer_status == CSQCPLAYERSTATUS_FROMSERVER)
225 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
226 CSQCPlayer_PredictTo(servercommandframe + 1, FALSE);
227 CSQCPlayer_SetPredictionError(self.origin - o, self.velocity - v, pmove_onground - !!(self.pmove_flags & PMF_ONGROUND));
231 // get crouch state from the server
232 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS_z)
233 self.pmove_flags &~= PMF_DUCKED;
234 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS_z)
235 self.pmove_flags |= PMF_DUCKED;
237 // get onground state from the server
239 self.pmove_flags |= PMF_ONGROUND;
241 self.pmove_flags &~= PMF_ONGROUND;
243 CSQCPlayer_SavePrediction();
245 CSQCPlayer_PredictTo(clientcommandframe + 1, TRUE);
247 CSQCPlayer_SetMinsMaxs();
249 self.angles_y = input_angles_y;
253 setorigin(self, self.origin);
259 #ifdef COMPAT_XON050_ENGINE
260 view = CSQCModel_server2csqc((spectatee_status > 0) ? spectatee_status : player_localentnum);
262 view = CSQCModel_server2csqc(player_localentnum);
265 if(view && view != csqcplayer)
267 entity oldself = self;
269 InterpolateOrigin_Do();
270 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
274 #ifdef COMPAT_XON050_ENGINE
275 if(view && !(checkextension("DP_CSQC_V_CALCREFDEF") || checkextension("DP_CSQC_V_CALCREFDEF_WIP1")))
277 // legacy code, not totally correct, but good enough for not having V_CalcRefdef
278 setproperty(VF_ORIGIN, view.origin + '0 0 1' * getstati(STAT_VIEWHEIGHT));
279 setproperty(VF_ANGLES, view_angles);
285 var float refdefflags = 0;
287 if(view.csqcmodel_teleported)
288 refdefflags |= REFDEFFLAG_TELEPORTED;
290 if(input_buttons & 4)
291 refdefflags |= REFDEFFLAG_JUMPING;
293 // note: these two only work in WIP2, but are harmless in WIP1
294 if(getstati(STAT_HEALTH) <= 0)
295 refdefflags |= REFDEFFLAG_DEAD;
298 refdefflags |= REFDEFFLAG_INTERMISSION;
300 V_CalcRefdef(view, refdefflags);
304 // FIXME by CSQC spec we have to do this:
305 // but it breaks chase cam
307 setproperty(VF_ORIGIN, pmove_org + '0 0 1' * getstati(STAT_VIEWHEIGHT));
308 setproperty(VF_ANGLES, view_angles);
312 { CSQCPLAYER_HOOK_POSTCAMERASETUP }
315 void CSQCPlayer_Remove()
318 cvar_settemp("cl_movement_replay", "1");
321 float CSQCPlayer_PreUpdate()
323 if(self != csqcplayer)
325 if(csqcplayer_status != CSQCPLAYERSTATUS_FROMSERVER)
326 CSQCPlayer_Unpredict();
330 float CSQCPlayer_PostUpdate()
332 if(self.entnum != player_localnum + 1)
335 csqcplayer_status = CSQCPLAYERSTATUS_FROMSERVER;
336 cvar_settemp("cl_movement_replay", "0");
337 self.entremove = CSQCPlayer_Remove;