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 var float autocvar_cl_predictionerrorcompensation = 0;
24 var float autocvar_chase_active;
25 var float autocvar_chase_back;
28 float pmove_onground; // weird engine flag we shouldn't really use but have to for now
31 #define PMF_TELEPORTED 16
32 #define PMF_ONGROUND 32
35 vector csqcplayer_origin, csqcplayer_velocity;
36 float csqcplayer_sequence, player_pmflags;
37 float csqcplayer_moveframe;
38 vector csqcplayer_predictionerror;
39 float csqcplayer_predictionerrortime;
41 vector CSQCPlayer_GetPredictionError()
43 if(!autocvar_cl_predictionerrorcompensation)
45 if(time < csqcplayer_predictionerrortime)
46 return csqcplayer_predictionerror * (csqcplayer_predictionerrortime - time) * autocvar_cl_predictionerrorcompensation;
50 void CSQCPlayer_SetPredictionError(vector v)
52 if(!autocvar_cl_predictionerrorcompensation)
54 csqcplayer_predictionerror = (csqcplayer_predictionerrortime - time) * autocvar_cl_predictionerrorcompensation * csqcplayer_predictionerror + v;
55 csqcplayer_predictionerrortime = time + 1.0 / autocvar_cl_predictionerrorcompensation;
58 void CSQCPlayer_Unpredict()
60 if(csqcplayer_status == CSQCPLAYERSTATUS_UNPREDICTED)
62 if(csqcplayer_status != CSQCPLAYERSTATUS_PREDICTED)
63 error("Cannot unpredict in current status");
64 self.origin = csqcplayer_origin;
65 self.velocity = csqcplayer_velocity;
66 csqcplayer_moveframe = csqcplayer_sequence+1; //+1 because the recieved frame has the move already done (server side)
67 self.pmove_flags = player_pmflags;
70 void CSQCPlayer_SetMinsMaxs()
72 if(self.pmove_flags & PMF_DUCKED)
74 self.mins = PL_CROUCH_MIN;
75 self.maxs = PL_CROUCH_MAX;
76 self.view_ofs = PL_CROUCH_VIEW_OFS;
82 self.view_ofs = PL_VIEW_OFS;
86 void CSQCPlayer_SavePrediction()
88 player_pmflags = self.pmove_flags;
89 csqcplayer_origin = self.origin;
90 csqcplayer_velocity = self.velocity;
91 csqcplayer_sequence = servercommandframe;
92 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
95 void CSQCPlayer_PredictTo(float endframe)
97 CSQCPlayer_Unpredict();
98 CSQCPlayer_SetMinsMaxs();
100 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
102 if (getstatf(STAT_HEALTH) <= 0)
104 csqcplayer_moveframe = clientcommandframe;
105 getinputstate(csqcplayer_moveframe-1);
109 while(csqcplayer_moveframe < endframe)
111 if (!getinputstate(csqcplayer_moveframe))
115 runstandardplayerphysics(self);
116 CSQCPlayer_SetMinsMaxs();
117 csqcplayer_moveframe++;
120 //add in anything that was applied after (for low packet rate protocols)
121 input_angles = view_angles;
124 float CSQCPlayer_IsLocalPlayer()
126 return (self == csqcplayer);
129 void(entity e) V_CalcRefdef = #640; // DP_CSQC_V_CALCREFDEF
131 void CSQCPlayer_SetCamera()
140 if(servercommandframe == 0)
142 InterpolateOrigin_Do();
143 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
145 // get crouch state from the server
146 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS_z)
147 self.pmove_flags &~= PMF_DUCKED;
148 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS_z)
149 self.pmove_flags |= PMF_DUCKED;
151 // get onground state from the server
153 self.pmove_flags |= PMF_ONGROUND;
155 self.pmove_flags &~= PMF_ONGROUND;
159 if(csqcplayer_status == CSQCPLAYERSTATUS_FROMSERVER)
163 v = pmove_vel; // TRICK: pmove_vel is set by the engine when we get here. No need to network velocity
164 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
165 CSQCPlayer_PredictTo(servercommandframe + 1);
166 CSQCPlayer_SetPredictionError(o - self.origin);
170 // get crouch state from the server
171 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS_z)
172 self.pmove_flags &~= PMF_DUCKED;
173 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS_z)
174 self.pmove_flags |= PMF_DUCKED;
176 // get onground state from the server
178 self.pmove_flags |= PMF_ONGROUND;
180 self.pmove_flags &~= PMF_ONGROUND;
182 CSQCPlayer_SavePrediction();
184 CSQCPlayer_PredictTo(clientcommandframe);
187 CSQCPlayer_SetMinsMaxs();
190 setorigin(self, self.origin);
192 if(checkextension("DP_CSQC_V_CALCREFDEF"))
195 if(self.csqcmodel_teleported)
197 self.pmove_flags |= PMF_TELEPORTED;
198 self.csqcmodel_teleported = 0;
201 self.pmove_flags &~= PMF_TELEPORTED;
206 R_SetView3fv(VF_ORIGIN, self.origin + self.view_ofs);
208 { CSQCPLAYER_HOOK_POSTCAMERASETUP }
214 void CSQCPlayer_Remove()
216 if(self.entnum != player_localentnum)
219 cvar_clientsettemp("cl_movement_replay", "1");
222 float CSQCPlayer_PreUpdate()
224 if(self.entnum != player_localentnum)
226 cvar_clientsettemp("cl_movement_replay", "0");
227 if(csqcplayer_status != CSQCPLAYERSTATUS_FROMSERVER)
228 CSQCPlayer_Unpredict();
232 float CSQCPlayer_PostUpdate()
234 if(self.entnum == player_localentnum)
235 self.renderflags |= RF_EXTERNALMODEL;
237 self.renderflags &~= RF_EXTERNALMODEL;
238 if(self.entnum != player_localentnum)
240 csqcplayer_status = CSQCPLAYERSTATUS_FROMSERVER;
242 self.entremove = CSQCPlayer_Remove;
246 entity CSQCPlayer_GetPlayer(float pl)
248 return findfloat(world, entnum, pl); // FIXME optimize this using an array