d396450a0a
fixed numerous shadowmapping bugs. actually seems to work now. appears to draw more lights than is actually needed, however. changed how keyboard focus works. can now have menu+console open at once, although you probably need shift+escape to get at it. fixed a few issues with nexuiz compat. there are *still* other issues. greatly refactored cd playback code. cd driver code is now a backend only and does not provide its own commands. track remapping accepts named faketracks. worked around missing notifications in vista+, so looping will now work. git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4491 fc73d0e0-1445-4013-8a0c-d673dee63da5
1194 lines
32 KiB
C
1194 lines
32 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "quakedef.h"
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#include "winquake.h"
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cvar_t cl_predict_extrapolate = CVARD("cl_predict_extrapolate", "", "If 1, enables prediction based upon partial input frames which can change over time resulting in a swimmy feel but does not need to interpolate. If 0, prediction will stay in the past and thus use only completed frames. Interpolation will then be used to smooth movement.\nThis cvar only applies when video and input frames are independant (ie: cl_netfps is set).");
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cvar_t cl_predict_timenudge = CVARD("cl_predict_timenudge", "0", "A debug feature. You should normally leave this as 0. Nudges local player prediction into the future if positive (resulting in extrapolation), or into the past if negative (resulting in laggy interpolation). Value is in seconds, so small decimals are required. This cvar applies even if input frames are tied to video frames.");
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cvar_t cl_predict_smooth = CVARD("cl_lerp_smooth", "2", "If 2, will act as 1 when playing demos and otherwise act as if set to 0.\nIf 1, interpolation will run in the past, resulting in really smooth movement at the cost of latency (even on bunchy german ISDNs).\nIf 0, interpolation will be based upon packet arrival times and may judder due to packet loss.");
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cvar_t cl_nopred = SCVAR("cl_nopred","0");
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cvar_t cl_pushlatency = SCVAR("pushlatency","-999");
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extern float pm_airaccelerate;
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extern usercmd_t independantphysics[MAX_SPLITS];
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#ifdef Q2CLIENT
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#define MAX_PARSE_ENTITIES 1024
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extern entity_state_t clq2_parse_entities[MAX_PARSE_ENTITIES];
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char *Get_Q2ConfigString(int i);
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#ifdef Q2BSPS
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void VARGS Q2_Pmove (q2pmove_t *pmove);
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#define Q2PMF_DUCKED 1
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#define Q2PMF_JUMP_HELD 2
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#define Q2PMF_ON_GROUND 4
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#define Q2PMF_TIME_WATERJUMP 8 // pm_time is waterjump
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#define Q2PMF_TIME_LAND 16 // pm_time is time before rejump
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#define Q2PMF_TIME_TELEPORT 32 // pm_time is non-moving time
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#define Q2PMF_NO_PREDICTION 64 // temporarily disables prediction (used for grappling hook)
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#endif
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vec3_t cl_predicted_origins[UPDATE_BACKUP];
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/*
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===================
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CL_CheckPredictionError
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===================
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*/
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#ifdef Q2BSPS
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void CLQ2_CheckPredictionError (void)
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{
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int frame;
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int delta[3];
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int i;
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int len;
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if (cl_nopred.value || (cl.q2frame.playerstate.pmove.pm_flags & Q2PMF_NO_PREDICTION))
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return;
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// calculate the last usercmd_t we sent that the server has processed
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frame = cls.netchan.incoming_acknowledged;
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frame &= (UPDATE_MASK);
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// compare what the server returned with what we had predicted it to be
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VectorSubtract (cl.q2frame.playerstate.pmove.origin, cl_predicted_origins[frame], delta);
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// save the prediction error for interpolation
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len = abs(delta[0]) + abs(delta[1]) + abs(delta[2]);
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if (len > 640) // 80 world units
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{ // a teleport or something
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VectorClear (cl.prediction_error);
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}
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else
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{
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// if (/*cl_showmiss->value && */(delta[0] || delta[1] || delta[2]) )
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// Con_Printf ("prediction miss on %i: %i\n", cl.q2frame.serverframe,
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// delta[0] + delta[1] + delta[2]);
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VectorCopy (cl.q2frame.playerstate.pmove.origin, cl_predicted_origins[frame]);
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// save for error itnerpolation
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for (i=0 ; i<3 ; i++)
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cl.prediction_error[i] = delta[i]*0.125;
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}
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}
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/*
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====================
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CL_ClipMoveToEntities
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====================
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*/
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void CLQ2_ClipMoveToEntities ( vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end, trace_t *tr )
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{
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int i, x, zd, zu;
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trace_t trace;
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float *angles;
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entity_state_t *ent;
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int num;
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model_t *cmodel;
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vec3_t bmins, bmaxs;
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for (i=0 ; i<cl.q2frame.num_entities ; i++)
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{
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num = (cl.q2frame.parse_entities + i)&(MAX_PARSE_ENTITIES-1);
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ent = &clq2_parse_entities[num];
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if (!ent->solid)
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continue;
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if (ent->number == cl.playerview[0].playernum+1)
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continue;
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if (ent->solid == ES_SOLID_BSP)
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{ // special value for bmodel
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cmodel = cl.model_precache[ent->modelindex];
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if (!cmodel)
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continue;
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angles = ent->angles;
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}
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else
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{ // encoded bbox
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x = 8*(ent->solid & 31);
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zd = 8*((ent->solid>>5) & 31);
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zu = 8*((ent->solid>>10) & 63) - 32;
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bmins[0] = bmins[1] = -x;
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bmaxs[0] = bmaxs[1] = x;
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bmins[2] = -zd;
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bmaxs[2] = zu;
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cmodel = CM_TempBoxModel (bmins, bmaxs);
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angles = vec3_origin; // boxes don't rotate
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}
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if (tr->allsolid)
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return;
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trace = CM_TransformedBoxTrace (cmodel, start, end,
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mins, maxs, MASK_PLAYERSOLID,
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ent->origin, angles);
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if (trace.allsolid || trace.startsolid || trace.fraction < tr->fraction)
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{
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trace.ent = (struct edict_s *)ent;
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*tr = trace;
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}
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}
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}
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/*
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================
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CL_PMTrace
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================
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*/
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q2trace_t VARGS CLQ2_PMTrace (vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end)
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{
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q2trace_t q2t;
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trace_t t;
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// check against world
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t = CM_BoxTrace (cl.worldmodel, start, end, mins, maxs, MASK_PLAYERSOLID);
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if (t.fraction < 1.0)
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t.ent = (struct edict_s *)1;
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// check all other solid models
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CLQ2_ClipMoveToEntities (start, mins, maxs, end, &t);
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q2t.allsolid = t.allsolid;
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q2t.contents = t.contents;
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VectorCopy(t.endpos, q2t.endpos);
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q2t.ent = t.ent;
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q2t.fraction = t.fraction;
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q2t.plane = t.plane;
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q2t.startsolid = t.startsolid;
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q2t.surface = t.surface;
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return q2t;
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}
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int VARGS CLQ2_PMpointcontents (vec3_t point)
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{
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int i;
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entity_state_t *ent;
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int num;
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model_t *cmodel;
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int contents;
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contents = CM_PointContents (cl.worldmodel, point);
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for (i=0 ; i<cl.q2frame.num_entities ; i++)
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{
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num = (cl.q2frame.parse_entities + i)&(MAX_PARSE_ENTITIES-1);
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ent = &clq2_parse_entities[num];
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if (ent->solid != 31) // special value for bmodel
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continue;
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cmodel = cl.model_precache[ent->modelindex];
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if (!cmodel)
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continue;
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contents |= CM_TransformedPointContents (cl.worldmodel, point, cmodel->hulls[0].firstclipnode, ent->origin, ent->angles);
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}
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return contents;
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}
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#endif
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/*
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=================
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CL_PredictMovement
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Sets cl.predicted_origin and cl.predicted_angles
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=================
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*/
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void CLQ2_PredictMovement (void) //q2 doesn't support split clients.
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{
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#ifdef Q2BSPS
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int ack, current;
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int frame;
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int oldframe;
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q2usercmd_t *cmd;
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q2pmove_t pm;
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int step;
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int oldz;
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#endif
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int i;
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int pnum = 0;
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if (cls.state != ca_active)
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return;
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// if (cl_paused->value)
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// return;
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#ifdef Q2BSPS
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if (cl_nopred.value || (cl.q2frame.playerstate.pmove.pm_flags & Q2PMF_NO_PREDICTION))
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#endif
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{ // just set angles
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for (i=0 ; i<3 ; i++)
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{
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cl.predicted_angles[i] = cl.playerview[pnum].viewangles[i] + SHORT2ANGLE(cl.q2frame.playerstate.pmove.delta_angles[i]);
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}
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return;
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}
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#ifdef Q2BSPS
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ack = cls.netchan.incoming_acknowledged;
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current = cls.netchan.outgoing_sequence;
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// if we are too far out of date, just freeze
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if (current - ack >= UPDATE_MASK)
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{
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// if (cl_showmiss->value)
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// Con_Printf ("exceeded CMD_BACKUP\n");
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return;
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}
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// copy current state to pmove
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memset (&pm, 0, sizeof(pm));
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pm.trace = CLQ2_PMTrace;
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pm.pointcontents = CLQ2_PMpointcontents;
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pm_airaccelerate = atof(Get_Q2ConfigString(Q2CS_AIRACCEL));
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pm.s = cl.q2frame.playerstate.pmove;
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// SCR_DebugGraph (current - ack - 1, 0);
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frame = 0;
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// run frames
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while (++ack < current)
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{
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frame = ack & (UPDATE_MASK);
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cmd = (q2usercmd_t*)&cl.outframes[frame].cmd[0];
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pm.cmd = *cmd;
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Q2_Pmove (&pm);
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// save for debug checking
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VectorCopy (pm.s.origin, cl_predicted_origins[frame]);
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}
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if (independantphysics[0].msec)
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{
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cmd = (q2usercmd_t*)&independantphysics[0];
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pm.cmd = *cmd;
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Q2_Pmove (&pm);
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}
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oldframe = (ack-2) & (UPDATE_MASK);
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oldz = cl_predicted_origins[oldframe][2];
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step = pm.s.origin[2] - oldz;
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if (step > 63 && step < 160 && (pm.s.pm_flags & Q2PMF_ON_GROUND) )
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{
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cl.predicted_step = step * 0.125;
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cl.predicted_step_time = realtime - host_frametime * 0.5;
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}
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cl.playerview[0].onground = !!(pm.s.pm_flags & Q2PMF_ON_GROUND);
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// copy results out for rendering
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cl.predicted_origin[0] = pm.s.origin[0]*0.125;
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cl.predicted_origin[1] = pm.s.origin[1]*0.125;
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cl.predicted_origin[2] = pm.s.origin[2]*0.125;
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VectorCopy (pm.viewangles, cl.predicted_angles);
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#endif
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}
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/*
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=================
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CL_NudgePosition
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If pmove.origin is in a solid position,
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try nudging slightly on all axis to
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allow for the cut precision of the net coordinates
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=================
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*/
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void CL_NudgePosition (void)
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{
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vec3_t base;
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int x, y;
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if (cl.worldmodel->funcs.PointContents (cl.worldmodel, NULL, pmove.origin) == FTECONTENTS_EMPTY)
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return;
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VectorCopy (pmove.origin, base);
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for (x=-1 ; x<=1 ; x++)
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{
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for (y=-1 ; y<=1 ; y++)
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{
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pmove.origin[0] = base[0] + x * 1.0/8;
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pmove.origin[1] = base[1] + y * 1.0/8;
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if (cl.worldmodel->funcs.PointContents (cl.worldmodel, NULL, pmove.origin) == FTECONTENTS_EMPTY)
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return;
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}
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}
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Con_DPrintf ("CL_NudgePosition: stuck\n");
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}
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#endif
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/*
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==============
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CL_PredictUsercmd
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==============
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*/
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void CL_PredictUsercmd (int pnum, int entnum, player_state_t *from, player_state_t *to, usercmd_t *u)
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{
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extern vec3_t player_mins;
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extern vec3_t player_maxs;
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// split up very long moves
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if (u->msec > 50)
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{
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player_state_t temp;
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usercmd_t split;
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split = *u;
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split.msec = u->msec / 2; //special care to avoid forgetting an msec here and there
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CL_PredictUsercmd (pnum, entnum, from, &temp, &split);
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split.msec = u->msec - split.msec;
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CL_PredictUsercmd (pnum, entnum, &temp, to, &split);
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return;
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}
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if (!cl.worldmodel || cl.worldmodel->needload)
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return;
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VectorCopy (from->origin, pmove.origin);
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VectorCopy (u->angles, pmove.angles);
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VectorCopy (from->velocity, pmove.velocity);
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VectorCopy (from->gravitydir, pmove.gravitydir);
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if (!(pmove.velocity[0] == 0) && !(pmove.velocity[0] != 0))
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{
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Con_Printf("nan velocity!\n");
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pmove.velocity[0] = 0;
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pmove.velocity[1] = 0;
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pmove.velocity[2] = 0;
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}
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pmove.jump_msec = (cls.z_ext & Z_EXT_PM_TYPE) ? 0 : from->jump_msec;
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pmove.jump_held = from->jump_held;
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pmove.waterjumptime = from->waterjumptime;
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pmove.pm_type = from->pm_type;
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pmove.cmd = *u;
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pmove.skipent = entnum;
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movevars.entgravity = cl.playerview[pnum].entgravity;
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movevars.maxspeed = cl.playerview[pnum].maxspeed;
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movevars.bunnyspeedcap = cl.bunnyspeedcap;
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pmove.onladder = false;
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VectorCopy(from->szmins, player_mins);
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VectorCopy(from->szmaxs, player_maxs);
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PM_PlayerMove (cl.gamespeed);
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to->waterjumptime = pmove.waterjumptime;
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to->jump_held = pmove.jump_held;
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to->jump_msec = pmove.jump_msec;
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pmove.jump_msec = 0;
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VectorCopy (pmove.origin, to->origin);
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VectorCopy (pmove.angles, to->viewangles);
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VectorCopy (pmove.velocity, to->velocity);
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VectorCopy (pmove.gravitydir, to->gravitydir);
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to->onground = pmove.onground;
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to->weaponframe = from->weaponframe;
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to->pm_type = from->pm_type;
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VectorCopy(player_mins, to->szmins);
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VectorCopy(player_maxs, to->szmaxs);
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}
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|
|
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//Used when cl_nopred is 1 to determine whether we are on ground, otherwise stepup smoothing code produces ugly jump physics
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void CL_CatagorizePosition (playerview_t *pv)
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{
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if (cl.spectator)
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{
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pv->onground = false; // in air
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return;
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}
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VectorClear (pmove.velocity);
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VectorCopy (pv->simorg, pmove.origin);
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pmove.numtouch = 0;
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PM_CategorizePosition ();
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pv->onground = pmove.onground;
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}
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//Smooth out stair step ups.
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//Called before CL_EmitEntities so that the player's lightning model origin is updated properly
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void CL_CalcCrouch (playerview_t *pv)
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{
|
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qboolean teleported;
|
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vec3_t delta;
|
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float orgz = -DotProduct(pv->simorg, pv->gravitydir); //compensate for running on walls.
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VectorSubtract(pv->simorg, pv->oldorigin, delta);
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teleported = Length(delta)>48;
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VectorCopy (pv->simorg, pv->oldorigin);
|
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|
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if (teleported)
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{
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// possibly teleported or respawned
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pv->oldz = orgz;
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pv->extracrouch = 0;
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pv->crouchspeed = 100;
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pv->crouch = 0;
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VectorCopy (pv->simorg, pv->oldorigin);
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return;
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}
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if (pv->onground && orgz - pv->oldz > 0)
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{
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if (orgz - pv->oldz > movevars.stepheight+2)
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{
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// if on steep stairs, increase speed
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if (pv->crouchspeed < 160)
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{
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pv->extracrouch = orgz - pv->oldz - host_frametime * 200 - 15;
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pv->extracrouch = min(pv->extracrouch, 5);
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}
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pv->crouchspeed = 160;
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}
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pv->oldz += host_frametime * pv->crouchspeed;
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if (pv->oldz > orgz)
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pv->oldz = orgz;
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if (orgz - pv->oldz > 15 + pv->extracrouch)
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pv->oldz = orgz - 15 - pv->extracrouch;
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pv->extracrouch -= host_frametime * 200;
|
|
pv->extracrouch = max(pv->extracrouch, 0);
|
|
|
|
pv->crouch = pv->oldz - orgz;
|
|
}
|
|
else
|
|
{
|
|
// in air or moving down
|
|
pv->oldz = orgz;
|
|
pv->crouch += host_frametime * 150;
|
|
if (orgz - pv->oldz <= 0)
|
|
pv->crouch -= orgz - pv->oldz; //if the view moved down, remove that amount from our crouching to avoid unneeded bobbing
|
|
if (pv->crouch > 0)
|
|
pv->crouch = 0;
|
|
pv->crouchspeed = 100;
|
|
pv->extracrouch = 0;
|
|
}
|
|
}
|
|
|
|
float LerpAngles360(float to, float from, float frac)
|
|
{
|
|
float delta;
|
|
delta = (from-to);
|
|
|
|
if (delta > 180)
|
|
delta -= 360;
|
|
if (delta < -180)
|
|
delta += 360;
|
|
|
|
return to + frac*delta;
|
|
}
|
|
|
|
short LerpAngles16(short to, short from, float frac)
|
|
{
|
|
int delta;
|
|
delta = (from-to);
|
|
|
|
if (delta > 32767)
|
|
delta -= 65535;
|
|
if (delta < -32767)
|
|
delta += 65535;
|
|
|
|
return to + frac*delta;
|
|
}
|
|
|
|
void CL_CalcClientTime(void)
|
|
{
|
|
extern float demtime;
|
|
if (cls.protocol != CP_QUAKE3)
|
|
{
|
|
float oldst = realtime;
|
|
|
|
if (cls.protocol == CP_QUAKEWORLD && cls.demoplayback == DPB_MVD && !(cls.fteprotocolextensions2 & PEXT2_REPLACEMENTDELTAS))
|
|
{
|
|
extern float nextdemotime, olddemotime, demtime;
|
|
float f;
|
|
f = (demtime - olddemotime) / (nextdemotime - olddemotime);
|
|
f = bound(0, f, 1);
|
|
cl.servertime = cl.gametime*f + cl.oldgametime*(1-f);
|
|
}
|
|
else if (!cl_predict_smooth.ival || (cl_predict_smooth.ival == 2 && !cls.demoplayback))
|
|
{
|
|
float f;
|
|
f = cl.gametime - cl.oldgametime;
|
|
if (f > 0.1)
|
|
f = 0.1;
|
|
f = (realtime - cl.gametimemark) / (f);
|
|
f = bound(0, f, 1);
|
|
cl.servertime = cl.gametime*f + cl.oldgametime*(1-f);
|
|
}
|
|
else
|
|
{
|
|
float min, max;
|
|
|
|
oldst = cl.servertime;
|
|
|
|
max = cl.gametime;
|
|
min = cl.oldgametime;
|
|
if (max < min)
|
|
max = min;
|
|
|
|
if (max)
|
|
{
|
|
extern cvar_t cl_demospeed;
|
|
if (cls.demoplayback && cl_demospeed.value >= 0 && cls.state == ca_active)
|
|
cl.servertime += host_frametime*cl_demospeed.value;
|
|
else
|
|
cl.servertime += host_frametime;
|
|
}
|
|
else
|
|
cl.servertime = 0;
|
|
|
|
if (cl.servertime > max)
|
|
{
|
|
if (cl.servertime > max)
|
|
{
|
|
cl.servertime = max;
|
|
// Con_Printf("clamped to new time\n");
|
|
}
|
|
else
|
|
{
|
|
cl.servertime -= 0.02*(max - cl.servertime);
|
|
}
|
|
}
|
|
if (cl.servertime < min)
|
|
{
|
|
if (cl.servertime < min-0.5)
|
|
{
|
|
cl.servertime = min-0.5;
|
|
// Con_Printf("clamped to old time\n");
|
|
}
|
|
else if (cl.servertime < min-0.3)
|
|
{
|
|
cl.servertime += 0.02*(min - cl.servertime);
|
|
// Con_Printf("running really slow\n");
|
|
}
|
|
else
|
|
{
|
|
cl.servertime += 0.01*(min - cl.servertime);
|
|
// Con_Printf("running slow\n");
|
|
}
|
|
}
|
|
}
|
|
cl.time = cl.servertime;
|
|
if (oldst == 0)
|
|
{
|
|
int i;
|
|
for (i = 0; i < MAX_CLIENTS; i++)
|
|
{
|
|
cl.players[i].entertime += cl.servertime;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (cls.protocol == CP_NETQUAKE || (cls.demoplayback && cls.demoplayback != DPB_MVD && cls.demoplayback != DPB_EZTV))
|
|
{
|
|
float want;
|
|
// float off;
|
|
|
|
want = cl.oldgametime + realtime - cl.gametimemark;
|
|
// off = (want - cl.time);
|
|
if (want>cl.time) //don't decrease
|
|
cl.time = want;
|
|
|
|
// Con_Printf("Drifted to %f off by %f\n", cl.time, off);
|
|
|
|
// Con_Printf("\n");
|
|
if (cl.time > cl.gametime)
|
|
{
|
|
cl.time = cl.gametime;
|
|
// Con_Printf("max TimeClamp\n");
|
|
}
|
|
if (cl.time < cl.oldgametime)
|
|
{
|
|
cl.time = cl.oldgametime;
|
|
// Con_Printf("old TimeClamp\n");
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
if (cl_pushlatency.value > 0)
|
|
Cvar_Set (&cl_pushlatency, "0");
|
|
|
|
cl.time = realtime - cls.latency - cl_pushlatency.value*0.001;
|
|
if (cl.time > realtime)
|
|
cl.time = realtime;
|
|
}
|
|
}
|
|
|
|
static void CL_DecodeStateSize(unsigned short solid, int modelindex, vec3_t mins, vec3_t maxs)
|
|
{
|
|
if (solid == ES_SOLID_BSP)
|
|
{
|
|
if (modelindex < MAX_MODELS && cl.model_precache[modelindex] && !cl.model_precache[modelindex]->needload)
|
|
{
|
|
VectorCopy(cl.model_precache[modelindex]->mins, mins);
|
|
VectorCopy(cl.model_precache[modelindex]->maxs, maxs);
|
|
}
|
|
else
|
|
{
|
|
VectorClear(mins);
|
|
VectorClear(maxs);
|
|
}
|
|
}
|
|
else if (solid)
|
|
{
|
|
mins[0] = -8*(solid&31);
|
|
mins[1] = -8*(solid&31);
|
|
mins[2] = -8*((solid>>5)&31);
|
|
maxs[0] = 8*(solid&31);
|
|
maxs[1] = 8*(solid&31);
|
|
maxs[2] = 8*((solid>>10)&63) - 32;
|
|
}
|
|
else
|
|
{
|
|
VectorClear(mins);
|
|
VectorClear(maxs);
|
|
}
|
|
}
|
|
|
|
/*called on packet reception*/
|
|
#include "pr_common.h"
|
|
static void CL_EntStateToPlayerState(player_state_t *plstate, entity_state_t *state)
|
|
{
|
|
vec3_t a;
|
|
int pmtype;
|
|
memset(plstate, 0, sizeof(*plstate));
|
|
switch(state->u.q1.pmovetype)
|
|
{
|
|
case MOVETYPE_NOCLIP:
|
|
if (cls.z_ext & Z_EXT_PM_TYPE_NEW)
|
|
pmtype = PM_SPECTATOR;
|
|
else
|
|
pmtype = PM_OLD_SPECTATOR;
|
|
break;
|
|
|
|
case MOVETYPE_FLY:
|
|
pmtype = PM_FLY;
|
|
break;
|
|
case MOVETYPE_NONE:
|
|
pmtype = PM_NONE;
|
|
break;
|
|
case MOVETYPE_BOUNCE:
|
|
case MOVETYPE_TOSS:
|
|
pmtype = PM_DEAD;
|
|
break;
|
|
case MOVETYPE_WALLWALK:
|
|
pmtype = PM_WALLWALK;
|
|
break;
|
|
default:
|
|
pmtype = PM_NORMAL;
|
|
break;
|
|
}
|
|
|
|
plstate->pm_type = pmtype;
|
|
VectorCopy(state->origin, plstate->origin);
|
|
VectorScale(state->u.q1.velocity, 1/8.0, plstate->velocity);
|
|
VectorCopy(state->angles, plstate->viewangles);
|
|
plstate->viewangles[0] *= -3;
|
|
|
|
a[0] = ((-192-state->u.q1.gravitydir[0])/256.0f) * 360;
|
|
a[1] = (state->u.q1.gravitydir[1]/256.0f) * 360;
|
|
a[2] = 0;
|
|
AngleVectors(a, plstate->gravitydir, NULL, NULL);
|
|
|
|
CL_DecodeStateSize(state->solid, state->modelindex, plstate->szmins, plstate->szmaxs);
|
|
}
|
|
static void CL_EntStateToPlayerCommand(usercmd_t *cmd, entity_state_t *state, float age)
|
|
{
|
|
int msec;
|
|
float extra;
|
|
memset(cmd, 0, sizeof(*cmd));
|
|
|
|
extra = /*-cls.latency + */ 0.02; //network latency
|
|
extra += age; //if the state is not exactly current
|
|
// extra += realtime - cl.inframes[cl.validsequence&UPDATE_MASK].receivedtime;
|
|
// extra += (cl.inframes[cl.validsequence&UPDATE_MASK].receivedtime - cl.inframes[cl.oldvalidsequence&UPDATE_MASK].receivedtime)*4;
|
|
msec = 1000*extra;
|
|
Con_DPrintf("%i: age = %i, stale=%i\n", state->number, msec, state->u.q1.msec);
|
|
msec += state->u.q1.msec; //this is the age on the server
|
|
cmd->msec = bound(0, msec, 250);
|
|
|
|
cmd->forwardmove = state->u.q1.movement[0];
|
|
cmd->sidemove = state->u.q1.movement[1];
|
|
cmd->upmove = state->u.q1.movement[2];
|
|
|
|
cmd->angles[0] = state->angles[0] * -3 *65536/360.0;
|
|
cmd->angles[1] = state->angles[1] * 65536/360.0;
|
|
cmd->angles[2] = state->angles[2] * 65536/360.0;
|
|
}
|
|
|
|
void CL_PredictEntityMovement(entity_state_t *estate, float age)
|
|
{
|
|
player_state_t startstate, resultstate;
|
|
usercmd_t cmd;
|
|
int oldphysent;
|
|
//build the entitystate state into a player state for prediction to use
|
|
|
|
if (!estate->u.q1.pmovetype)
|
|
VectorCopy(estate->origin, estate->u.q1.predorg);
|
|
else
|
|
{
|
|
CL_EntStateToPlayerState(&startstate, estate);
|
|
CL_EntStateToPlayerCommand(&cmd, estate, age);
|
|
|
|
// cmd.forwardmove = 5000;
|
|
// cmd.msec = sin(realtime*6) * 128 + 128;
|
|
oldphysent = pmove.numphysent;
|
|
pmove.onground = true;
|
|
CL_PredictUsercmd(0, estate->number, &startstate, &resultstate, &cmd); //uses player 0's maxspeed/grav...
|
|
pmove.numphysent = oldphysent;
|
|
|
|
VectorCopy(resultstate.origin, estate->u.q1.predorg);
|
|
}
|
|
}
|
|
|
|
/*
|
|
==============
|
|
CL_PredictMove
|
|
==============
|
|
*/
|
|
void CL_PredictMovePNum (int seat)
|
|
{
|
|
//when this is called, the entity states have been interpolated.
|
|
//interpolation state should be updated to match prediction state, so entities move correctly in mirrors/portals.
|
|
|
|
//this entire function is pure convolouted bollocks.
|
|
playerview_t *pv = &cl.playerview[seat];
|
|
int i;
|
|
float f;
|
|
int fromframe, toframe;
|
|
outframe_t *backdate;
|
|
player_state_t *fromstate, *tostate, framebuf[2]; //need two framebufs so we can interpolate between two states.
|
|
usercmd_t *cmdfrom, *cmdto;
|
|
double fromtime, totime;
|
|
int oldphysent;
|
|
double simtime;
|
|
extern cvar_t cl_netfps;
|
|
lerpents_t *le;
|
|
qboolean nopred;
|
|
|
|
//these are to make svc_viewentity work better
|
|
float *vel;
|
|
float *org;
|
|
float stepheight = 0;
|
|
float netfps = cl_netfps.value;
|
|
|
|
if (!netfps)
|
|
{
|
|
//every video frame has its own input frame.
|
|
simtime = realtime;
|
|
}
|
|
else
|
|
{
|
|
qboolean extrap = cl_predict_extrapolate.ival;
|
|
// float fps = 1/host_frametime;
|
|
// fps = bound(6.7, fps, cls.maxfps);
|
|
netfps = bound(6.7, netfps, cls.maxfps);
|
|
// if (netfps > fps)
|
|
// netfps = fps;
|
|
if (!*cl_predict_extrapolate.string)
|
|
extrap = netfps < 30;
|
|
if (!extrap)
|
|
{
|
|
//interpolate. The input rate is completely smoothed out, at the cost of some latency.
|
|
//You can still get juddering if the video rate doesn't match the monitor refresh rate (and isn't so high that it doesn't matter).
|
|
//note that the code below will back-date input frames if the server acks too fast.
|
|
simtime = realtime - (1/netfps);
|
|
}
|
|
else
|
|
{
|
|
//extrapolate if we've a low net rate. This should reduce apparent lag, but will be jerky if the net rate is not an (inverse) multiple of the monitor rate.
|
|
//this is in addition to any monitor desync.
|
|
simtime = realtime;
|
|
}
|
|
}
|
|
|
|
simtime += bound(-0.5, cl_predict_timenudge.value, 0.5);
|
|
|
|
pv->nolocalplayer = !!(cls.fteprotocolextensions2 & PEXT2_REPLACEMENTDELTAS) || (cls.protocol != CP_QUAKEWORLD);
|
|
|
|
#ifdef Q2CLIENT
|
|
if (cls.protocol == CP_QUAKE2)
|
|
{
|
|
if (!cl.worldmodel || cl.worldmodel->needload)
|
|
return;
|
|
pv->crouch = 0;
|
|
CLQ2_PredictMovement();
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
if (cl.paused && !(cls.demoplayback!=DPB_MVD && cls.demoplayback!=DPB_EZTV) && (!cl.spectator || !pv->cam_auto))
|
|
return;
|
|
|
|
if (!cl.validsequence)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (cl.intermission==1 && cls.protocol == CP_QUAKEWORLD)
|
|
{
|
|
//quakeworld locks view position once you hit intermission.
|
|
VectorCopy (pv->intermissionangles, pv->simangles);
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
if (cl.currentpackentities && cl.currentpackentities->fixangles[seat])
|
|
{
|
|
if (cl.previouspackentities && cl.previouspackentities->fixangles[seat]==cl.currentpackentities->fixangles[seat])
|
|
{
|
|
for (i = 0; i < 3; i++)
|
|
pv->simangles[i] = LerpAngles360(cl.currentpackentities->fixedangles[seat][i], cl.previouspackentities->fixedangles[seat][i], 1-(cl.previouspackentities->fixangles[seat]?cl.packfrac:1));
|
|
}
|
|
else
|
|
VectorCopy(cl.currentpackentities->fixedangles[seat], pv->simangles);
|
|
}
|
|
else
|
|
VectorCopy (pv->viewangles, pv->simangles);
|
|
}
|
|
|
|
nopred = cl_nopred.ival;
|
|
|
|
//don't wrap
|
|
if (!cl.ackedmovesequence)
|
|
nopred = true;
|
|
else if (cl.movesequence - cl.ackedmovesequence >= UPDATE_BACKUP-1)
|
|
return;
|
|
|
|
//these things also force-disable prediction
|
|
if ( (cls.demoplayback==DPB_MVD || cls.demoplayback == DPB_EZTV) ||
|
|
cl.paused || pv->pmovetype == PM_NONE || pv->pmovetype == PM_FREEZE)
|
|
{
|
|
nopred = true;
|
|
}
|
|
|
|
// figure out the first frame to lerp from.
|
|
// we generate one new input frame every 1/72th of a second, with a refresh rate of 60hz that's blatently obvious
|
|
// if we live in the present, we'll only have half a frame. in order to avoid extrapolation (which can give a swimmy feel), we live in the past by one frame time period
|
|
// if we're running somewhere with a low latency, we can get a reply from the server before our next input frame is even generated, so we need to go backwards beyond the current state
|
|
|
|
if (nopred)
|
|
{
|
|
//match interpolation info
|
|
fromframe = ((char*)cl.previouspackentities - (char*)&cl.inframes[0].packet_entities) / sizeof(inframe_t);
|
|
fromtime = cl.inframes[fromframe & UPDATE_MASK].packet_entities.servertime;
|
|
toframe = ((char*)cl.currentpackentities - (char*)&cl.inframes[0].packet_entities) / sizeof(inframe_t);
|
|
totime = cl.inframes[toframe & UPDATE_MASK].packet_entities.servertime;
|
|
simtime = cl.currentpacktime;
|
|
}
|
|
else
|
|
{
|
|
fromframe = 0;
|
|
toframe = 0;
|
|
totime = fromtime = 0;
|
|
|
|
//try to find the inbound frame that sandwiches the realtime that we're trying to simulate.
|
|
//if we're predicting, this will be some time in the future, and thus we'll be forced to pick the most recent frame.
|
|
//if we're interpolating, we'll need to grab the frame before that.
|
|
//we're only interested in inbound frames, not outbound, but its outbound frames that contain the prediction timing, so we need to look that up
|
|
//(note that in qw, inframe[i].ack==i holds true, but this code tries to be generic for unsyncronised protocols)
|
|
//(note that in nq, using outbound times means we'll skip over dupe states without noticing, and input packets with dupes should also be handled gracefully)
|
|
Con_DPrintf("in:%i:%i out:%i:%i ack:%i\n", cls.netchan.incoming_sequence, cl.validsequence, cls.netchan.outgoing_sequence,cl.movesequence, cl.ackedmovesequence);
|
|
for (i = cl.validsequence; i >= cls.netchan.incoming_sequence - UPDATE_MASK; i--)
|
|
{
|
|
int out;
|
|
//skip frames which were not received, or are otherwise invalid. yay packetloss
|
|
if (cl.inframes[i & UPDATE_MASK].frameid != i || cl.inframes[i & UPDATE_MASK].invalid)
|
|
{
|
|
Con_DPrintf("stale incoming command %i\n", i);
|
|
continue;
|
|
}
|
|
|
|
//each inbound frame tracks the outgoing frame that was last applied to it, and its outgoing frames that contain our timing info
|
|
out = cl.inframes[i&UPDATE_MASK].ackframe;
|
|
backdate = &cl.outframes[out & UPDATE_MASK];
|
|
if (backdate->cmd_sequence != out)
|
|
{
|
|
Con_DPrintf("stale outgoing command %i (%i:%i:%i)\n", i, out, backdate->cmd_sequence, backdate->server_message_num);
|
|
continue;
|
|
}
|
|
//okay, looks valid
|
|
|
|
//if this is the first one we found, make sure both from+to are set properly
|
|
if (!fromframe)
|
|
{
|
|
fromframe = i;
|
|
fromtime = backdate->senttime;
|
|
}
|
|
toframe = fromframe;
|
|
totime = fromtime;
|
|
fromframe = i;
|
|
fromtime = backdate->senttime;
|
|
if (fromtime < simtime)
|
|
break; //okay, we found the first frame that is older, no need to continue looking
|
|
}
|
|
}
|
|
|
|
Con_DPrintf("sim%f, %i(%i-%i): old%f, cur%f\n", simtime, cl.ackedmovesequence, fromframe, toframe, fromtime, totime);
|
|
|
|
fromstate = &cl.inframes[fromframe & UPDATE_MASK].playerstate[pv->playernum];
|
|
tostate = &cl.inframes[toframe & UPDATE_MASK].playerstate[pv->playernum];
|
|
pv->pmovetype = tostate->pm_type;
|
|
le = &cl.lerpplayers[pv->playernum];
|
|
|
|
//if our network protocol doesn't have a concept of separate players, make sure our player states are updated from those entities
|
|
//fixme: use entity states instead of player states to avoid the extra work here
|
|
if (pv->nolocalplayer || nopred)
|
|
{
|
|
packet_entities_t *pe;
|
|
pe = &cl.inframes[fromframe & UPDATE_MASK].packet_entities;
|
|
for (i = 0; i < pe->num_entities; i++)
|
|
{
|
|
if (pe->entities[i].number == pv->viewentity)
|
|
{
|
|
CL_EntStateToPlayerState(fromstate, &pe->entities[i]);
|
|
break;
|
|
}
|
|
}
|
|
pe = &cl.inframes[toframe & UPDATE_MASK].packet_entities;
|
|
for (i = 0; i < pe->num_entities; i++)
|
|
{
|
|
if (pe->entities[i].number == pv->viewentity)
|
|
{
|
|
CL_EntStateToPlayerState(tostate, &pe->entities[i]);
|
|
|
|
if (cls.fteprotocolextensions2 & PEXT2_REPLACEMENTDELTAS)
|
|
{
|
|
cl.players[pv->playernum].stats[STAT_WEAPONFRAME] = pe->entities[i].u.q1.weaponframe;
|
|
cl.players[pv->playernum].statsf[STAT_WEAPONFRAME] = pe->entities[i].u.q1.weaponframe;
|
|
|
|
pv->stats[STAT_WEAPONFRAME] = pe->entities[i].u.q1.weaponframe;
|
|
pv->statsf[STAT_WEAPONFRAME] = pe->entities[i].u.q1.weaponframe;
|
|
pv->pmovetype = tostate->pm_type;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if (pv->nolocalplayer && pv->viewentity < cl.maxlerpents)
|
|
le = &cl.lerpents[pv->viewentity];
|
|
}
|
|
|
|
vel = fromstate->velocity;
|
|
org = fromstate->origin;
|
|
|
|
// predict forward until cl.time <= to->senttime
|
|
oldphysent = pmove.numphysent;
|
|
CL_SetSolidPlayers();
|
|
pmove.skipent = pv->viewentity;
|
|
|
|
cmdfrom = cmdto = &cl.outframes[cl.ackedmovesequence & UPDATE_MASK].cmd[seat];
|
|
|
|
if (!nopred)
|
|
{
|
|
for (i=1 ; i<UPDATE_BACKUP-1 && cl.ackedmovesequence+i < cl.movesequence; i++)
|
|
{
|
|
outframe_t *of = &cl.outframes[(cl.ackedmovesequence+i) & UPDATE_MASK];
|
|
if (totime >= simtime)
|
|
{
|
|
if (i == 1)
|
|
{
|
|
//we must always predict a frame, just to ensure that the playerstate's jump status etc is valid for the next frame, even if we're not going to use it for interpolation.
|
|
//this assumes that we always have at least one video frame to each network frame, of course.
|
|
//note that q2 updates its values via networking rather than propagation.
|
|
Con_DPrintf(" propagate %i: %f-%f\n", cl.ackedmovesequence+i, fromtime, totime);
|
|
CL_PredictUsercmd (seat, pv->viewentity, tostate, &cl.inframes[(toframe+i) & UPDATE_MASK].playerstate[pv->playernum], &of->cmd[seat]);
|
|
}
|
|
break;
|
|
}
|
|
if (of->cmd_sequence != cl.ackedmovesequence+i)
|
|
{
|
|
Con_DPrintf("trying to predict a frame which is no longer valid\n");
|
|
break;
|
|
}
|
|
fromtime = totime;
|
|
fromstate = tostate;
|
|
fromframe = toframe; //qw debug
|
|
cmdfrom = cmdto;
|
|
|
|
cmdto = &of->cmd[seat];
|
|
totime = of->senttime;
|
|
toframe = cl.ackedmovesequence+i;//qw debug
|
|
|
|
if (i == 1)//I've no idea how else to propogate event state from one frame to the next
|
|
tostate = &cl.inframes[(fromframe+i) & UPDATE_MASK].playerstate[pv->playernum];
|
|
else
|
|
tostate = &framebuf[i&1];
|
|
|
|
Con_DPrintf(" pred %i: %f-%f\n", cl.ackedmovesequence+i, fromtime, totime);
|
|
CL_PredictUsercmd (seat, pv->viewentity, fromstate, tostate, cmdto);
|
|
}
|
|
|
|
if (simtime > totime)
|
|
{
|
|
//extrapolate X extra seconds
|
|
float msec;
|
|
usercmd_t indcmd;
|
|
|
|
msec = ((simtime - totime) * 1000);
|
|
if (msec >= 1)
|
|
{
|
|
cmdfrom = cmdto;
|
|
fromstate = tostate;
|
|
fromtime = totime;
|
|
fromframe = toframe;
|
|
|
|
tostate = &framebuf[i++&1];
|
|
if (independantphysics[seat].msec && !cls.demoplayback)
|
|
indcmd = independantphysics[seat];
|
|
else
|
|
indcmd = *cmdto;
|
|
cmdto = &indcmd;
|
|
totime = simtime;
|
|
toframe+=1;
|
|
|
|
cmdto->msec = bound(0, msec, 250);
|
|
|
|
Con_DPrintf(" extrap %i: %f-%f\n", toframe, fromtime, simtime);
|
|
CL_PredictUsercmd (seat, pv->viewentity, fromstate, tostate, cmdto);
|
|
}
|
|
}
|
|
pv->onground = pmove.onground;
|
|
pv->pmovetype = tostate->pm_type;
|
|
}
|
|
|
|
pmove.numphysent = oldphysent;
|
|
|
|
if (totime == fromtime)
|
|
{
|
|
VectorCopy (tostate->velocity, pv->simvel);
|
|
VectorCopy (tostate->origin, pv->simorg);
|
|
Con_DPrintf("%f %f %f\n", fromtime, simtime, totime);
|
|
}
|
|
else
|
|
{
|
|
vec3_t move;
|
|
// now interpolate some fraction of the final frame
|
|
f = (simtime - fromtime) / (totime - fromtime);
|
|
|
|
if (f < 0)
|
|
f = 0;
|
|
if (f > 1)
|
|
f = 1;
|
|
Con_DPrintf("%i:%f %f %i:%f (%f)\n", fromframe, fromtime, simtime, toframe, totime, f);
|
|
VectorSubtract(tostate->origin, fromstate->origin, move);
|
|
if (DotProduct(move, move) > 128*128)
|
|
{
|
|
// teleported, so don't lerp
|
|
VectorCopy (tostate->velocity, pv->simvel);
|
|
VectorCopy (tostate->origin, pv->simorg);
|
|
}
|
|
else
|
|
{
|
|
for (i=0 ; i<3 ; i++)
|
|
{
|
|
pv->simorg[i] = (1-f)*fromstate->origin[i] + f*tostate->origin[i];
|
|
pv->simvel[i] = (1-f)*fromstate->velocity[i] + f*tostate->velocity[i];
|
|
|
|
|
|
if (pv->viewentity != pv->playernum+1)
|
|
{
|
|
pv->simangles[i] = LerpAngles360(fromstate->viewangles[i], tostate->viewangles[i], f);// * (360.0/65535);
|
|
// pv->viewangles[i] = LerpAngles16(fromstate->command.angles[i], tostate->command.angles[i], f) * (360.0/65535);
|
|
}
|
|
}
|
|
}
|
|
CL_CatagorizePosition(pv);
|
|
|
|
}
|
|
|
|
if (le)
|
|
{
|
|
//keep the entity tracking the prediction position, so mirrors don't go all weird
|
|
VectorCopy(tostate->origin, le->origin);
|
|
if (pv->stats[STAT_HEALTH] > 0)
|
|
{
|
|
VectorScale(pv->simangles, 1, le->angles);
|
|
le->angles[0] *= -0.333;
|
|
}
|
|
}
|
|
|
|
// if (cls.demoplayback)
|
|
// CL_LerpMove (seat, totime);
|
|
|
|
CL_CalcCrouch (pv);
|
|
pv->waterlevel = pmove.waterlevel;
|
|
VectorCopy(pmove.gravitydir, pv->gravitydir);
|
|
}
|
|
|
|
void CL_PredictMove (void)
|
|
{
|
|
int i;
|
|
|
|
//work out which packet entities are solid
|
|
CL_SetSolidEntities ();
|
|
|
|
// Set up prediction for other players
|
|
CL_SetUpPlayerPrediction(false);
|
|
|
|
// do client side motion prediction
|
|
for (i = 0; i < cl.splitclients; i++)
|
|
CL_PredictMovePNum(i);
|
|
|
|
// Set up prediction for other players
|
|
CL_SetUpPlayerPrediction(true);
|
|
}
|
|
|
|
|
|
/*
|
|
==============
|
|
CL_InitPrediction
|
|
==============
|
|
*/
|
|
void CL_InitPrediction (void)
|
|
{
|
|
extern char cl_predictiongroup[];
|
|
Cvar_Register (&cl_pushlatency, cl_predictiongroup);
|
|
Cvar_Register (&cl_nopred, cl_predictiongroup);
|
|
Cvar_Register (&cl_predict_extrapolate, cl_predictiongroup);
|
|
Cvar_Register (&cl_predict_timenudge, cl_predictiongroup);
|
|
Cvar_Register (&cl_predict_smooth, cl_predictiongroup);
|
|
}
|