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Diffstat (limited to 'src/game/g_physics.c')
| -rw-r--r-- | src/game/g_physics.c | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/src/game/g_physics.c b/src/game/g_physics.c deleted file mode 100644 index c6c03f69..00000000 --- a/src/game/g_physics.c +++ /dev/null @@ -1,161 +0,0 @@ -// Copyright (C) 1999-2000 Id Software, Inc. -// - -/* - * Portions Copyright (C) 2000-2001 Tim Angus - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the OSML - Open Source Modification License v1.0 as - * described in the file COPYING which is distributed with this source - * code. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - */ - -#include "g_local.h" - -/* -================ -G_Bounce - -================ -*/ -static void G_Bounce( gentity_t *ent, trace_t *trace ) -{ - vec3_t velocity; - float dot; - int hitTime; - float minNormal; - qboolean invert = qfalse; - - // reflect the velocity on the trace plane - hitTime = level.previousTime + ( level.time - level.previousTime ) * trace->fraction; - BG_EvaluateTrajectoryDelta( &ent->s.pos, hitTime, velocity ); - dot = DotProduct( velocity, trace->plane.normal ); - VectorMA( velocity, -2*dot, trace->plane.normal, ent->s.pos.trDelta ); - - if( ent->s.eType == ET_BUILDABLE ) - { - minNormal = BG_FindMinNormalForBuildable( ent->s.modelindex ); - invert = BG_FindInvertNormalForBuildable( ent->s.modelindex ); - } - else - minNormal = 0.707f; - - // cut the velocity to keep from bouncing forever - if( ( trace->plane.normal[ 2 ] >= minNormal || - ( invert && trace->plane.normal[ 2 ] <= -minNormal ) ) && - trace->entityNum == ENTITYNUM_WORLD ) - VectorScale( ent->s.pos.trDelta, ent->physicsBounce, ent->s.pos.trDelta ); - else - VectorScale( ent->s.pos.trDelta, 0.3f, ent->s.pos.trDelta ); - - if( VectorLength( ent->s.pos.trDelta ) < 10 ) - { - VectorMA( trace->endpos, 0.5, trace->plane.normal, trace->endpos ); // make sure it is off ground - SnapVector( trace->endpos ); - G_SetOrigin( ent, trace->endpos ); - ent->s.groundEntityNum = trace->entityNum; - VectorCopy( trace->plane.normal, ent->s.origin2 ); - VectorSet( ent->s.pos.trDelta, 0.0f, 0.0f, 0.0f ); - return; - } - - VectorCopy( ent->r.currentOrigin, ent->s.pos.trBase ); - VectorAdd( ent->r.currentOrigin, trace->plane.normal, ent->r.currentOrigin); - ent->s.pos.trTime = level.time; -} - -#define PHYSICS_TIME 200 - -/* -================ -G_Physics - -================ -*/ -void G_Physics( gentity_t *ent, int msec ) -{ - vec3_t origin; - trace_t tr; - int contents; - int mask; - - // if groundentity has been set to -1, it may have been pushed off an edge - if( ent->s.groundEntityNum == -1 ) - { - if( ent->s.eType == ET_BUILDABLE ) - { - if( ent->s.pos.trType != BG_FindTrajectoryForBuildable( ent->s.modelindex ) ) - { - ent->s.pos.trType = BG_FindTrajectoryForBuildable( ent->s.modelindex ); - ent->s.pos.trTime = level.time; - } - } - else if( ent->s.pos.trType != TR_GRAVITY ) - { - ent->s.pos.trType = TR_GRAVITY; - ent->s.pos.trTime = level.time; - } - } - - // trace a line from the previous position to the current position - if( ent->clipmask ) - mask = ent->clipmask; - else - mask = MASK_PLAYERSOLID & ~CONTENTS_BODY;//MASK_SOLID; - - if( ent->s.pos.trType == TR_STATIONARY ) - { - // check think function - G_RunThink( ent ); - - //check floor infrequently - if( ent->nextPhysicsTime < level.time ) - { - VectorCopy( ent->r.currentOrigin, origin ); - - VectorMA( origin, -2.0f, ent->s.origin2, origin ); - - trap_Trace( &tr, ent->r.currentOrigin, ent->r.mins, ent->r.maxs, origin, ent->s.number, mask ); - - if( tr.fraction == 1.0f ) - ent->s.groundEntityNum = -1; - - ent->nextPhysicsTime = level.time + PHYSICS_TIME; - } - - return; - } - - // get current position - BG_EvaluateTrajectory( &ent->s.pos, level.time, origin ); - - trap_Trace( &tr, ent->r.currentOrigin, ent->r.mins, ent->r.maxs, origin, ent->s.number, mask ); - - VectorCopy( tr.endpos, ent->r.currentOrigin ); - - if( tr.startsolid ) - tr.fraction = 0; - - trap_LinkEntity( ent ); // FIXME: avoid this for stationary? - - // check think function - G_RunThink( ent ); - - if( tr.fraction == 1.0f ) - return; - - // if it is in a nodrop volume, remove it - contents = trap_PointContents( ent->r.currentOrigin, -1 ); - if( contents & CONTENTS_NODROP ) - { - G_FreeEntity( ent ); - return; - } - - G_Bounce( ent, &tr ); -} - |