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;
29 float pmove_onground; // weird engine flag we shouldn't really use but have to for now
31 #define PMF_ONGROUND 8
32 #define REFDEFFLAG_TELEPORTED 1
33 #define REFDEFFLAG_JUMPING 2
36 vector csqcplayer_origin, csqcplayer_velocity;
37 float csqcplayer_sequence, player_pmflags;
38 float csqcplayer_moveframe;
39 vector csqcplayer_predictionerror;
40 float csqcplayer_predictionerrortime;
42 vector CSQCPlayer_GetPredictionError()
44 if(!autocvar_cl_predictionerrorcompensation)
46 if(time < csqcplayer_predictionerrortime)
47 return csqcplayer_predictionerror * (csqcplayer_predictionerrortime - time) * autocvar_cl_predictionerrorcompensation;
51 void CSQCPlayer_SetPredictionError(vector v)
53 if(!autocvar_cl_predictionerrorcompensation)
55 csqcplayer_predictionerror = (csqcplayer_predictionerrortime - time) * autocvar_cl_predictionerrorcompensation * csqcplayer_predictionerror + v;
56 csqcplayer_predictionerrortime = time + 1.0 / autocvar_cl_predictionerrorcompensation;
59 void CSQCPlayer_Unpredict()
61 if(csqcplayer_status == CSQCPLAYERSTATUS_UNPREDICTED)
63 if(csqcplayer_status != CSQCPLAYERSTATUS_PREDICTED)
64 error("Cannot unpredict in current status");
65 self.origin = csqcplayer_origin;
66 self.velocity = csqcplayer_velocity;
67 csqcplayer_moveframe = csqcplayer_sequence+1; //+1 because the recieved frame has the move already done (server side)
68 self.pmove_flags = player_pmflags;
71 void CSQCPlayer_SetMinsMaxs()
73 if(self.pmove_flags & PMF_DUCKED)
75 self.mins = PL_CROUCH_MIN;
76 self.maxs = PL_CROUCH_MAX;
77 self.view_ofs = PL_CROUCH_VIEW_OFS;
83 self.view_ofs = PL_VIEW_OFS;
87 void CSQCPlayer_SavePrediction()
89 player_pmflags = self.pmove_flags;
90 csqcplayer_origin = self.origin;
91 csqcplayer_velocity = self.velocity;
92 csqcplayer_sequence = servercommandframe;
93 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
96 void CSQCPlayer_PredictTo(float endframe)
98 CSQCPlayer_Unpredict();
99 CSQCPlayer_SetMinsMaxs();
101 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
103 if (getstatf(STAT_HEALTH) <= 0)
105 csqcplayer_moveframe = clientcommandframe;
106 getinputstate(csqcplayer_moveframe-1);
110 while(csqcplayer_moveframe < endframe)
112 if (!getinputstate(csqcplayer_moveframe))
116 runstandardplayerphysics(self);
117 CSQCPlayer_SetMinsMaxs();
118 csqcplayer_moveframe++;
121 //add in anything that was applied after (for low packet rate protocols)
122 input_angles = view_angles;
125 float CSQCPlayer_IsLocalPlayer()
127 return (self == csqcplayer);
130 void(entity e) V_CalcRefdef = #640; // DP_CSQC_V_CALCREFDEF
132 void CSQCPlayer_SetCamera()
141 if(servercommandframe == 0)
143 InterpolateOrigin_Do();
144 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
146 // get crouch state from the server
147 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS_z)
148 self.pmove_flags &~= PMF_DUCKED;
149 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS_z)
150 self.pmove_flags |= PMF_DUCKED;
152 // get onground state from the server
154 self.pmove_flags |= PMF_ONGROUND;
156 self.pmove_flags &~= PMF_ONGROUND;
158 CSQCPlayer_SetMinsMaxs();
160 // override it back just in case
161 self.view_ofs = '0 0 1' * getstati(STAT_VIEWHEIGHT);
165 if(csqcplayer_status == CSQCPLAYERSTATUS_FROMSERVER)
169 v = pmove_vel; // TRICK: pmove_vel is set by the engine when we get here. No need to network velocity
170 csqcplayer_status = CSQCPLAYERSTATUS_PREDICTED;
171 CSQCPlayer_PredictTo(servercommandframe + 1);
172 CSQCPlayer_SetPredictionError(o - self.origin);
176 // get crouch state from the server
177 if(getstati(STAT_VIEWHEIGHT) == PL_VIEW_OFS_z)
178 self.pmove_flags &~= PMF_DUCKED;
179 else if(getstati(STAT_VIEWHEIGHT) == PL_CROUCH_VIEW_OFS_z)
180 self.pmove_flags |= PMF_DUCKED;
182 // get onground state from the server
184 self.pmove_flags |= PMF_ONGROUND;
186 self.pmove_flags &~= PMF_ONGROUND;
188 CSQCPlayer_SavePrediction();
190 CSQCPlayer_PredictTo(clientcommandframe);
192 CSQCPlayer_SetMinsMaxs();
196 setorigin(self, self.origin);
198 // FIXME support svc_setview?
200 if(checkextension("DP_CSQC_V_CALCREFDEF"))
202 var float refdefflags = 0;
204 if(self.csqcmodel_teleported)
206 refdefflags |= REFDEFFLAG_TELEPORTED;
207 self.csqcmodel_teleported = 0;
210 if(input_buttons & 4)
211 refdefflags |= REFDEFFLAG_JUMPING;
216 R_SetView3fv(VF_ORIGIN, self.origin + self.view_ofs);
218 { CSQCPLAYER_HOOK_POSTCAMERASETUP }
224 void CSQCPlayer_Remove()
226 if(self.entnum != player_localentnum)
229 cvar_clientsettemp("cl_movement_replay", "1");
232 float CSQCPlayer_PreUpdate()
234 if(self.entnum != player_localentnum)
236 cvar_clientsettemp("cl_movement_replay", "0");
237 if(csqcplayer_status != CSQCPLAYERSTATUS_FROMSERVER)
238 CSQCPlayer_Unpredict();
242 float CSQCPlayer_PostUpdate()
245 if(self.entnum == player_localentnum)
246 self.renderflags |= RF_EXTERNALMODEL;
248 self.renderflags &~= RF_EXTERNALMODEL;
251 if(self.entnum != player_localentnum)
253 csqcplayer_status = CSQCPLAYERSTATUS_FROMSERVER;
255 self.entremove = CSQCPlayer_Remove;
259 entity CSQCPlayer_GetPlayer(float pl)
261 return findfloat(world, entnum, pl); // FIXME optimize this using an array