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;
26 #define REFDEFFLAG_TELEPORTED 1
27 #define REFDEFFLAG_JUMPING 2
28 float pmove_onground; // weird engine flag we shouldn't really use but have to for now
30 vector csqcplayer_origin, csqcplayer_velocity;
31 float csqcplayer_sequence, player_pmflags;
32 float csqcplayer_moveframe;
33 vector csqcplayer_predictionerroro;
34 vector csqcplayer_predictionerrorv;
35 float csqcplayer_predictionerrortime;
36 float csqcplayer_predictionerrorfactor;
38 vector CSQCPlayer_GetPredictionErrorO()
40 if(time >= csqcplayer_predictionerrortime)
42 return csqcplayer_predictionerroro * (csqcplayer_predictionerrortime - time) * csqcplayer_predictionerrorfactor;
45 vector CSQCPlayer_GetPredictionErrorV()
47 if(time >= csqcplayer_predictionerrortime)
49 return csqcplayer_predictionerrorv * (csqcplayer_predictionerrortime - time) * csqcplayer_predictionerrorfactor;
52 void CSQCPlayer_SetPredictionError(vector o, vector v, float onground_diff)
54 // error too big to compensate, we LIKELY hit a teleport or a
55 // jumppad, or it's a jump time disagreement that'll get fixed
58 // FIXME we sometimes have disagreement in order of jump velocity. Do not act on them!
60 // commented out as this one did not help
63 printf("ONGROUND MISMATCH: %d x=%v v=%v\n", onground_diff, o, v);
67 if(vlen(o) > 32 || vlen(v) > 192)
69 //printf("TOO BIG: x=%v v=%v\n", o, v);
73 if(!autocvar_cl_movement_errorcompensation)
75 csqcplayer_predictionerrorfactor = 0;
79 csqcplayer_predictionerroro = CSQCPlayer_GetPredictionErrorO() + o;
80 csqcplayer_predictionerrorv = CSQCPlayer_GetPredictionErrorV() + v;
81 csqcplayer_predictionerrorfactor = autocvar_cl_movement_errorcompensation / ticrate;
82 csqcplayer_predictionerrortime = time + 1.0 / csqcplayer_predictionerrorfactor;
85 void CSQCPlayer_Unpredict()
87 if(csqcplayer_status == CSQCPLAYERSTATUS_UNPREDICTED)
89 if(csqcplayer_status != CSQCPLAYERSTATUS_PREDICTED)
90 error("Cannot unpredict in current status");
91 self.origin = csqcplayer_origin;
92 self.velocity = csqcplayer_velocity;
93 csqcplayer_moveframe = csqcplayer_sequence+1; //+1 because the recieved frame has the move already done (server side)
94 self.pmove_flags = player_pmflags;
97 void CSQCPlayer_SetMinsMaxs()
99 if(self.pmove_flags & PMF_DUCKED)
101 self.mins = PL_CROUCH_MIN;
102 self.maxs = PL_CROUCH_MAX;
103 self.view_ofs = PL_CROUCH_VIEW_OFS;
109 self.view_ofs = PL_VIEW_OFS;
113 void CSQCPlayer_SavePrediction()
115 player_pmflags = self.pmove_flags;
116 csqcplayer_origin = self.origin;
117 csqcplayer_velocity = self.velocity;
118 csqcplayer_sequence = servercommandframe;
119 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
122 void CSQCPlayer_PredictTo(float endframe, float apply_error)
124 CSQCPlayer_Unpredict();
127 self.origin += CSQCPlayer_GetPredictionErrorO();
128 self.velocity += CSQCPlayer_GetPredictionErrorV();
130 CSQCPlayer_SetMinsMaxs();
132 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
135 // we don't need this
136 // darkplaces makes servercommandframe == 0 in these cases anyway
137 if (getstatf(STAT_HEALTH) <= 0)
139 csqcplayer_moveframe = clientcommandframe;
140 getinputstate(csqcplayer_moveframe-1);
141 print("the Weird code path got hit\n");
146 if(csqcplayer_moveframe >= endframe)
148 getinputstate(csqcplayer_moveframe - 1);
154 if (!getinputstate(csqcplayer_moveframe))
156 runstandardplayerphysics(self);
157 CSQCPlayer_SetMinsMaxs();
158 csqcplayer_moveframe++;
160 while(csqcplayer_moveframe < endframe);
163 //add in anything that was applied after (for low packet rate protocols)
164 input_angles = view_angles;
167 float CSQCPlayer_IsLocalPlayer()
169 return (self == csqcplayer);
172 void(entity e, float fl) V_CalcRefdef = #640; // DP_CSQC_V_CALCREFDEF
174 void CSQCPlayer_SetCamera()
177 v0 = pmove_vel; // TRICK: pmove_vel is set by the engine when we get here. No need to network velocity
185 #ifdef COMPAT_XON050_ENGINE
186 if(servercommandframe == 0 || clientcommandframe == 0 || !(checkextension("DP_CSQC_V_CALCREFDEF") || checkextension("DP_CSQC_V_CALCREFDEF_WIP1")))
188 if(servercommandframe == 0 || clientcommandframe == 0)
191 InterpolateOrigin_Do();
192 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
194 // get crouch state from the server
195 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS_z)
196 self.pmove_flags &= ~PMF_DUCKED;
197 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS_z)
198 self.pmove_flags |= PMF_DUCKED;
200 // get onground state from the server
202 self.pmove_flags |= PMF_ONGROUND;
204 self.pmove_flags &= ~PMF_ONGROUND;
206 CSQCPlayer_SetMinsMaxs();
208 // override it back just in case
209 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
216 float flg = self.iflags;
217 self.iflags &= ~(IFLAG_ORIGIN | IFLAG_ANGLES);
218 InterpolateOrigin_Do();
221 if(csqcplayer_status == CSQCPLAYERSTATUS_FROMSERVER)
226 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
227 CSQCPlayer_PredictTo(servercommandframe + 1, FALSE);
228 CSQCPlayer_SetPredictionError(self.origin - o, self.velocity - v, pmove_onground - !!(self.pmove_flags & PMF_ONGROUND));
232 // get crouch state from the server
233 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS_z)
234 self.pmove_flags &= ~PMF_DUCKED;
235 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS_z)
236 self.pmove_flags |= PMF_DUCKED;
238 // get onground state from the server
240 self.pmove_flags |= PMF_ONGROUND;
242 self.pmove_flags &= ~PMF_ONGROUND;
244 CSQCPlayer_SavePrediction();
246 CSQCPlayer_PredictTo(clientcommandframe + 1, TRUE);
248 #ifdef CSQCMODEL_SERVERSIDE_CROUCH
249 // get crouch state from the server (LAG)
250 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS_z)
251 self.pmove_flags &= ~PMF_DUCKED;
252 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS_z)
253 self.pmove_flags |= PMF_DUCKED;
256 CSQCPlayer_SetMinsMaxs();
258 self.angles_y = input_angles_y;
262 setorigin(self, self.origin);
268 #ifdef COMPAT_XON050_ENGINE
269 view = CSQCModel_server2csqc((spectatee_status > 0) ? spectatee_status : player_localentnum);
271 view = CSQCModel_server2csqc(player_localentnum);
274 if(view && view != csqcplayer)
276 entity oldself = self;
278 InterpolateOrigin_Do();
279 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
283 #ifdef COMPAT_XON050_ENGINE
284 if(view && !(checkextension("DP_CSQC_V_CALCREFDEF") || checkextension("DP_CSQC_V_CALCREFDEF_WIP1")))
286 // legacy code, not totally correct, but good enough for not having V_CalcRefdef
287 setproperty(VF_ORIGIN, view.origin + '0 0 1' * getstati(STAT_VIEWHEIGHT));
288 setproperty(VF_ANGLES, view_angles);
294 var float refdefflags = 0;
296 if(view.csqcmodel_teleported)
297 refdefflags |= REFDEFFLAG_TELEPORTED;
299 if(input_buttons & 4)
300 refdefflags |= REFDEFFLAG_JUMPING;
302 // note: these two only work in WIP2, but are harmless in WIP1
303 if(getstati(STAT_HEALTH) <= 0)
304 refdefflags |= REFDEFFLAG_DEAD;
307 refdefflags |= REFDEFFLAG_INTERMISSION;
309 V_CalcRefdef(view, refdefflags);
313 // FIXME by CSQC spec we have to do this:
314 // but it breaks chase cam
316 setproperty(VF_ORIGIN, pmove_org + '0 0 1' * getstati(STAT_VIEWHEIGHT));
317 setproperty(VF_ANGLES, view_angles);
321 { CSQCPLAYER_HOOK_POSTCAMERASETUP }
324 void CSQCPlayer_Remove()
327 cvar_settemp("cl_movement_replay", "1");
330 float CSQCPlayer_PreUpdate()
332 if(self != csqcplayer)
334 if(csqcplayer_status != CSQCPLAYERSTATUS_FROMSERVER)
335 CSQCPlayer_Unpredict();
339 float CSQCPlayer_PostUpdate()
341 if(self.entnum != player_localnum + 1)
344 csqcplayer_status = CSQCPLAYERSTATUS_FROMSERVER;
345 cvar_settemp("cl_movement_replay", "0");
346 self.entremove = CSQCPlayer_Remove;