mirror of
https://github.com/Q3Rally-Team/q3rally.git
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147 lines
4 KiB
C
147 lines
4 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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Copyright (C) 2002-2021 Q3Rally Team (Per Thormann - q3rally@gmail.com)
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This file is part of q3rally source code.
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q3rally source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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q3rally source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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 q3rally; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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#include "g_local.h"
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void SP_info_observer_spot( gentity_t *ent ){
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G_SetOrigin(ent, ent->s.origin);
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if( ent->target )
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{
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ent->spawnflags |= OBSERVERCAM_FIXED;
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}
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}
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gentity_t *FindBestObserverSpot( gentity_t *self, gentity_t *target, vec3_t spot, vec3_t angles){
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gentity_t *ent;
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trace_t tr;
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vec3_t delta;
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static vec3_t mins = { -4, -4, -4 };
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static vec3_t maxs = { 4, 4, 4 };
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float dist, bestDist;
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gentity_t *foundSpot;
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foundSpot = NULL;
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dist = 0;
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bestDist = 0;
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ent = NULL;
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while ( (ent = G_Find (ent, FOFS(classname), "info_observer_spot")) != NULL )
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{
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// if ( !trap_InPVS( ent->s.origin, target->s.origin) ) continue;
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// Com_Printf("Found an observer spot in PVS\n");
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// VectorCopy(ent->s.origin, spot);
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// foundSpot = ent;
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// return foundSpot;
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trap_Trace(&tr, ent->r.currentOrigin, mins, maxs, target->client->ps.origin, target->s.number, CONTENTS_SOLID);
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if (tr.startsolid || tr.allsolid || tr.fraction < 1.0) continue;
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VectorSubtract(target->s.origin, ent->s.origin, delta);
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dist = VectorNormalize(delta);
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// check for spot with locked angles
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if (ent->spawnflags & OBSERVERCAM_FIXED)
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{
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vec3_t forward;
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AngleVectors(ent->s.angles, forward, NULL, NULL);
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if (DotProduct(delta, forward) < -0.40)
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{
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VectorCopy(ent->s.origin, spot);
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VectorCopy(ent->s.angles, angles);
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self->spotflags = ent->spawnflags;
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// use this one
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return ent;
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}
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}
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if (dist < bestDist || bestDist == 0)
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{
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bestDist = dist;
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VectorCopy(ent->s.origin, spot);
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VectorCopy(ent->s.angles, angles);
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// Com_Printf("Found a valid observer spot\n");
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self->spotflags = ent->spawnflags;
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foundSpot = ent;
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}
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}
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return foundSpot;
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}
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void UpdateObserverSpot( gentity_t *ent, qboolean forceUpdate ){
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vec3_t origin, angles;
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trace_t tr;
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int clientNum;
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static vec3_t mins = { -4, -4, -4 };
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static vec3_t maxs = { 4, 4, 4 };
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clientNum = ent->client->sess.spectatorClient;
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if ( clientNum == -1 )
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clientNum = level.follow1;
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else if ( clientNum == -2 )
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clientNum = level.follow2;
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if (clientNum < 0)
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{
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// ent->client->sess.spectatorState = SPECTATOR_FREE;
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// G_DebugLogPrintf( "UpdateObserverSpot: drop back to free\n" );
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StopFollowing( ent );
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// ClientSpawn( ent );
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return;
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}
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trap_Trace( &tr, ent->client->ps.origin, mins, maxs, level.clients[clientNum].ps.origin, ent->s.number, CONTENTS_SOLID );
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if ( forceUpdate || tr.fraction < 1 )
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{
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if ( !FindBestObserverSpot(ent, &g_entities[clientNum], origin, angles) )
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{
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if (ent->updateTime + 500 < level.time){
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ent->updateTime = level.time;
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trap_SendServerCommand( ent - g_entities, "print \"Couldnt find valid observer spot, dropping back to follow mode.\n\"" );
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ent->client->sess.spectatorState = SPECTATOR_FOLLOW;
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return;
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}
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}
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else
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{
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// Com_Printf( "Updating observer position" );
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G_SetOrigin(ent, origin);
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VectorCopy(origin, ent->client->ps.origin);
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VectorCopy(angles, ent->client->ps.viewangles);
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ent->updateTime = level.time;
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}
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}
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else {
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ent->updateTime = level.time;
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}
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}
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