79 void RenderTrailSegment(PHEROMONE_TRAIL *trailPtr);
1422 static void DeallocatePheromoneTrail(PHEROMONE_TRAIL *trailPtr);
1473 	PHEROMONE_TRAIL *trailPtr = 0; /* Default to null ptr */  in AllocatePheromoneTrail()  local
1477 		trailPtr = &TrailStorage[NumActiveTrails];  in AllocatePheromoneTrail()
1485 	return trailPtr;  in AllocatePheromoneTrail()
1487 static void DeallocatePheromoneTrail(PHEROMONE_TRAIL *trailPtr)  in DeallocatePheromoneTrail()  argument
1490 	LOCALASSERT(trailPtr>=TrailStorage);  in DeallocatePheromoneTrail()
1491 	LOCALASSERT(trailPtr<=&TrailStorage[MAX_NO_OF_PHEROMONE_TRAILS-1]);  in DeallocatePheromoneTrail()
1494 	*trailPtr = TrailStorage[NumActiveTrails];  in DeallocatePheromoneTrail()
5057  	PHEROMONE_TRAIL *trailPtr = AllocatePheromoneTrail();  in NewTrailPoint()  local
5058 	if (!trailPtr) return;  in NewTrailPoint()
5061 	trailPtr->Vertex[0] = dynPtr->Position;  in NewTrailPoint()
5064 	trailPtr->Perp[0] = *((VECTORCH*)&(dynPtr->OrientMat.mat11));  in NewTrailPoint()
5065 	trailPtr->Size[0] = 127*65536;  in NewTrailPoint()
5067 	trailPtr->Vertex[1] = dynPtr->PrevPosition;  in NewTrailPoint()
5069 	trailPtr->Perp[1] = *((VECTORCH*)&(dynPtr->PrevOrientMat.mat11));  in NewTrailPoint()
5070 	trailPtr->Size[1] = 127*65536-MUL_FIXED(TRAIL_DECAY_SPEED,PrevNormalFrameTime);  in NewTrailPoint()
5076  	PHEROMONE_TRAIL *trailPtr = AllocatePheromoneTrail();  in PlayerPheromoneTrail()  local
5078 	if (!trailPtr) return;  in PlayerPheromoneTrail()
5084 	trailPtr->Vertex[0] = dynPtr->Position;  in PlayerPheromoneTrail()
5086 	trailPtr->Vertex[0].vx -= dynPtr->OrientMat.mat21>>6;  in PlayerPheromoneTrail()
5087 	trailPtr->Vertex[0].vy -= dynPtr->OrientMat.mat22>>6;  in PlayerPheromoneTrail()
5088 	trailPtr->Vertex[0].vz -= dynPtr->OrientMat.mat23>>6;  in PlayerPheromoneTrail()
5092 	trailPtr->Perp[0] = *((VECTORCH*)&(dynPtr->OrientMat.mat11));  in PlayerPheromoneTrail()
5094 	trailPtr->Perp[0].vx = disp.vz - disp.vy;  in PlayerPheromoneTrail()
5095 	trailPtr->Perp[0].vy = disp.vx - disp.vz;  in PlayerPheromoneTrail()
5096 	trailPtr->Perp[0].vz = disp.vy - disp.vx;  in PlayerPheromoneTrail()
5097 	if (trailPtr->Perp[0].vx!=0 || trailPtr->Perp[0].vy !=0 || trailPtr->Perp[0].vz!=0)  in PlayerPheromoneTrail()
5099 		Normalise(&trailPtr->Perp[0]);  in PlayerPheromoneTrail()
5103 		trailPtr->Perp[0] = PlayerPheromoneTrailPerp;  in PlayerPheromoneTrail()
5106 	trailPtr->Size[0] = 127*65536*4;  in PlayerPheromoneTrail()
5108 	trailPtr->Vertex[1] = dynPtr->PrevPosition;  in PlayerPheromoneTrail()
5110 	trailPtr->Vertex[1].vx -= dynPtr->PrevOrientMat.mat21>>6;  in PlayerPheromoneTrail()
5111 	trailPtr->Vertex[1].vy -= dynPtr->PrevOrientMat.mat22>>6;  in PlayerPheromoneTrail()
5112 	trailPtr->Vertex[1].vz -= dynPtr->PrevOrientMat.mat23>>6;  in PlayerPheromoneTrail()
5117   trailPtr->Perp[1] = *((VECTORCH*)&(dynPtr->PrevOrientMat.mat11));  in PlayerPheromoneTrail()
5121 	trailPtr->Size[1] = 127*65536*4-MUL_FIXED(TRAIL_DECAY_SPEED,PrevNormalFrameTime);  in PlayerPheromoneTrail()
5127 	PHEROMONE_TRAIL *trailPtr;  in HandlePheromoneTrails()  local
5131 	trailPtr = TrailStorage;  in HandlePheromoneTrails()
5145 		trailPtr->Size[0] -= decayDelta;  in HandlePheromoneTrails()
5146 		trailPtr->Size[1] -= decayDelta;  in HandlePheromoneTrails()
5147 		if (trailPtr->Size[1]<0) trailPtr->Size[1]=0;  in HandlePheromoneTrails()
5148 		if (trailPtr->Size[0]<0)  in HandlePheromoneTrails()
5150 			DeallocatePheromoneTrail(trailPtr);  in HandlePheromoneTrails()
5154 			RenderTrailSegment(trailPtr);	  in HandlePheromoneTrails()
5155 			trailPtr++;  in HandlePheromoneTrails()
5161 void RenderTrailSegment(PHEROMONE_TRAIL *trailPtr)  in RenderTrailSegment()  argument
5168 	temp.vx = trailPtr->Vertex[0].vx - MUL_FIXED(trailPtr->Perp[0].vx,trailPtr->Size[0]/65536);  in RenderTrailSegment()
5169 	temp.vy = trailPtr->Vertex[0].vy - MUL_FIXED(trailPtr->Perp[0].vy,trailPtr->Size[0]/65536);  in RenderTrailSegment()
5170 	temp.vz	= trailPtr->Vertex[0].vz - MUL_FIXED(trailPtr->Perp[0].vz,trailPtr->Size[0]/65536);  in RenderTrailSegment()
5180 	temp.vx = trailPtr->Vertex[0].vx + MUL_FIXED(trailPtr->Perp[0].vx,trailPtr->Size[0]/65536);  in RenderTrailSegment()
5181 	temp.vy = trailPtr->Vertex[0].vy + MUL_FIXED(trailPtr->Perp[0].vy,trailPtr->Size[0]/65536);  in RenderTrailSegment()
5182 	temp.vz	= trailPtr->Vertex[0].vz + MUL_FIXED(trailPtr->Perp[0].vz,trailPtr->Size[0]/65536);  in RenderTrailSegment()
5193 	temp.vx = trailPtr->Vertex[1].vx + MUL_FIXED(trailPtr->Perp[1].vx,trailPtr->Size[1]/65536);  in RenderTrailSegment()
5194 	temp.vy = trailPtr->Vertex[1].vy + MUL_FIXED(trailPtr->Perp[1].vy,trailPtr->Size[1]/65536);  in RenderTrailSegment()
5195 	temp.vz	= trailPtr->Vertex[1].vz + MUL_FIXED(trailPtr->Perp[1].vz,trailPtr->Size[1]/65536);  in RenderTrailSegment()
5205 	temp.vx = trailPtr->Vertex[1].vx - MUL_FIXED(trailPtr->Perp[1].vx,trailPtr->Size[1]/65536);  in RenderTrailSegment()
5206 	temp.vy = trailPtr->Vertex[1].vy - MUL_FIXED(trailPtr->Perp[1].vy,trailPtr->Size[1]/65536);  in RenderTrailSegment()
5207 	temp.vz	= trailPtr->Vertex[1].vz - MUL_FIXED(trailPtr->Perp[1].vz,trailPtr->Size[1]/65536);  in RenderTrailSegment()
5231 			VerticesBuffer[i].A = trailPtr->Size[i/2]/65536;  in RenderTrailSegment()