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
7 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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
12 * all copies or substantial portions of the Software.
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
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
23 #include "../dpdefs/csprogsdefs.qh"
24 #include "../client/defs.qh"
25 #include "../common/constants.qh"
26 #include "../common/stats.qh"
27 #include "../common/util.qh"
28 #include "interpolate.qh"
29 #include "../client/main.qh"
31 #include "cl_model.qh"
32 #include "cl_player.qh"
37 float autocvar_cl_movement_errorcompensation = 0;
40 float pmove_onground; // weird engine flag we shouldn't really use but have to for now
42 vector csqcplayer_origin, csqcplayer_velocity;
43 float csqcplayer_sequence;
45 float csqcplayer_moveframe;
46 vector csqcplayer_predictionerroro;
47 vector csqcplayer_predictionerrorv;
48 float csqcplayer_predictionerrortime;
49 float csqcplayer_predictionerrorfactor;
51 vector CSQCPlayer_GetPredictionErrorO()
53 if(time >= csqcplayer_predictionerrortime)
55 return csqcplayer_predictionerroro * (csqcplayer_predictionerrortime - time) * csqcplayer_predictionerrorfactor;
58 vector CSQCPlayer_GetPredictionErrorV()
60 if(time >= csqcplayer_predictionerrortime)
62 return csqcplayer_predictionerrorv * (csqcplayer_predictionerrortime - time) * csqcplayer_predictionerrorfactor;
65 void CSQCPlayer_SetPredictionError(vector o, vector v, float onground_diff)
67 // error too big to compensate, we LIKELY hit a teleport or a
68 // jumppad, or it's a jump time disagreement that'll get fixed
71 // FIXME we sometimes have disagreement in order of jump velocity. Do not act on them!
73 // commented out as this one did not help
76 printf("ONGROUND MISMATCH: %d x=%v v=%v\n", onground_diff, o, v);
80 if(vlen(o) > 32 || vlen(v) > 192)
82 //printf("TOO BIG: x=%v v=%v\n", o, v);
86 if(!autocvar_cl_movement_errorcompensation)
88 csqcplayer_predictionerrorfactor = 0;
92 csqcplayer_predictionerroro = CSQCPlayer_GetPredictionErrorO() + o;
93 csqcplayer_predictionerrorv = CSQCPlayer_GetPredictionErrorV() + v;
94 csqcplayer_predictionerrorfactor = autocvar_cl_movement_errorcompensation / ticrate;
95 csqcplayer_predictionerrortime = time + 1.0 / csqcplayer_predictionerrorfactor;
98 void CSQCPlayer_Unpredict()
100 if(csqcplayer_status == CSQCPLAYERSTATUS_UNPREDICTED)
102 if(csqcplayer_status != CSQCPLAYERSTATUS_PREDICTED)
103 error("Cannot unpredict in current status");
104 self.origin = csqcplayer_origin;
105 self.velocity = csqcplayer_velocity;
106 csqcplayer_moveframe = csqcplayer_sequence+1; //+1 because the recieved frame has the move already done (server side)
107 self.pmove_flags = player_pmflags;
110 void CSQCPlayer_SetMinsMaxs()
112 if(self.pmove_flags & PMF_DUCKED)
114 self.mins = PL_CROUCH_MIN;
115 self.maxs = PL_CROUCH_MAX;
116 self.view_ofs = PL_CROUCH_VIEW_OFS;
122 self.view_ofs = PL_VIEW_OFS;
126 void CSQCPlayer_SavePrediction()
128 player_pmflags = self.pmove_flags;
129 csqcplayer_origin = self.origin;
130 csqcplayer_velocity = self.velocity;
131 csqcplayer_sequence = servercommandframe;
132 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
135 void CSQCPlayer_PredictTo(float endframe, float apply_error)
137 CSQCPlayer_Unpredict();
140 self.origin += CSQCPlayer_GetPredictionErrorO();
141 self.velocity += CSQCPlayer_GetPredictionErrorV();
143 CSQCPlayer_SetMinsMaxs();
145 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
148 // we don't need this
149 // darkplaces makes servercommandframe == 0 in these cases anyway
150 if (getstatf(STAT_HEALTH) <= 0)
152 csqcplayer_moveframe = clientcommandframe;
153 getinputstate(csqcplayer_moveframe-1);
154 print("the Weird code path got hit\n");
159 if(csqcplayer_moveframe >= endframe)
161 getinputstate(csqcplayer_moveframe - 1);
167 if (!getinputstate(csqcplayer_moveframe))
169 runstandardplayerphysics(self);
170 CSQCPlayer_SetMinsMaxs();
171 csqcplayer_moveframe++;
173 while(csqcplayer_moveframe < endframe);
176 //add in anything that was applied after (for low packet rate protocols)
177 input_angles = view_angles;
180 float CSQCPlayer_IsLocalPlayer()
182 return (self == csqcplayer);
185 void CSQCPlayer_SetCamera()
188 v0 = pmove_vel; // TRICK: pmove_vel is set by the engine when we get here. No need to network velocity
196 if(servercommandframe == 0 || clientcommandframe == 0)
198 InterpolateOrigin_Do();
199 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
201 // get crouch state from the server
202 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS_z)
203 self.pmove_flags &= ~PMF_DUCKED;
204 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS_z)
205 self.pmove_flags |= PMF_DUCKED;
207 // get onground state from the server
209 self.pmove_flags |= PMF_ONGROUND;
211 self.pmove_flags &= ~PMF_ONGROUND;
213 CSQCPlayer_SetMinsMaxs();
215 // override it back just in case
216 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
223 float flg = self.iflags;
224 self.iflags &= ~(IFLAG_ORIGIN | IFLAG_ANGLES);
225 InterpolateOrigin_Do();
228 if(csqcplayer_status == CSQCPLAYERSTATUS_FROMSERVER)
233 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
234 CSQCPlayer_PredictTo(servercommandframe + 1, false);
235 CSQCPlayer_SetPredictionError(self.origin - o, self.velocity - v, pmove_onground - !!(self.pmove_flags & PMF_ONGROUND));
239 // get crouch state from the server
240 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS_z)
241 self.pmove_flags &= ~PMF_DUCKED;
242 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS_z)
243 self.pmove_flags |= PMF_DUCKED;
245 // get onground state from the server
247 self.pmove_flags |= PMF_ONGROUND;
249 self.pmove_flags &= ~PMF_ONGROUND;
251 CSQCPlayer_SavePrediction();
253 CSQCPlayer_PredictTo(clientcommandframe + 1, true);
255 #ifdef CSQCMODEL_SERVERSIDE_CROUCH
256 // get crouch state from the server (LAG)
257 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS_z)
258 self.pmove_flags &= ~PMF_DUCKED;
259 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS_z)
260 self.pmove_flags |= PMF_DUCKED;
263 CSQCPlayer_SetMinsMaxs();
265 self.angles_y = input_angles.y;
269 setorigin(self, self.origin);
275 view = CSQCModel_server2csqc(player_localentnum);
277 if(view && view != csqcplayer)
279 entity oldself = self;
281 InterpolateOrigin_Do();
282 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
290 if(view.csqcmodel_teleported)
291 refdefflags |= REFDEFFLAG_TELEPORTED;
293 if(input_buttons & 4)
294 refdefflags |= REFDEFFLAG_JUMPING;
296 // note: these two only work in WIP2, but are harmless in WIP1
297 if(getstati(STAT_HEALTH) <= 0)
298 refdefflags |= REFDEFFLAG_DEAD;
301 refdefflags |= REFDEFFLAG_INTERMISSION;
303 V_CalcRefdef(view, refdefflags);
307 // FIXME by CSQC spec we have to do this:
308 // but it breaks chase cam
310 setproperty(VF_ORIGIN, pmove_org + '0 0 1' * getstati(STAT_VIEWHEIGHT));
311 setproperty(VF_ANGLES, view_angles);
315 { CSQCPLAYER_HOOK_POSTCAMERASETUP }
318 void CSQCPlayer_Remove()
321 cvar_settemp("cl_movement_replay", "1");
324 float CSQCPlayer_PreUpdate()
326 if(self != csqcplayer)
328 if(csqcplayer_status != CSQCPLAYERSTATUS_FROMSERVER)
329 CSQCPlayer_Unpredict();
333 float CSQCPlayer_PostUpdate()
335 if(self.entnum != player_localnum + 1)
338 csqcplayer_status = CSQCPLAYERSTATUS_FROMSERVER;
339 cvar_settemp("cl_movement_replay", "0");
340 self.entremove = CSQCPlayer_Remove;