ascii

void drawRiffleCam() {
	vec3_t muzzlePoint;

	// CalcMuzzlePoint
	{
		vec3_t forward, right, up;
		AngleVectors(eth.cg_snap->ps.viewangles, forward, right, up);

		VectorCopy(eth.cg_snap->ps.origin, muzzlePoint);
		muzzlePoint[2] += eth.cg_snap->ps.viewheight;
		// Default weapon muzzle offset
		VectorMA(muzzlePoint, 6, right, muzzlePoint);
		VectorMA(muzzlePoint, -4, up, muzzlePoint);

		SnapVector(muzzlePoint);
	}

	vec3_t forward;
	AngleVectors(eth.cg_snap->ps.viewangles, forward, NULL, NULL);
	VectorScale(forward, 2000, forward);

	trajectory_t riffleTrajectory;
	riffleTrajectory.trType = TR_GRAVITY;
	riffleTrajectory.trTime = eth.cg_time;
	VectorCopy(muzzlePoint, riffleTrajectory.trBase);
	VectorCopy(forward, riffleTrajectory.trDelta);
	SnapVector(riffleTrajectory.trDelta);

	// Calculate riffle impact
	int timeOffset = 0;
	trace_t riffleTrace;
	vec3_t riffleImpact;
	VectorCopy(riffleTrajectory.trBase, riffleImpact);
	#define TIME_STEPP 50
	int maxTime = 3250;
	int totalFly = 0;

	while (timeOffset < maxTime) {
		vec3_t nextPos;
		timeOffset += TIME_STEPP;
		totalFly += TIME_STEPP;

		eth.BG_EvaluateTrajectory(&riffleTrajectory, eth.cg_time + timeOffset, nextPos, qfalse, 0);
		eth.CG_Trace(&riffleTrace, riffleImpact, 0, 0, nextPos, eth.cg_snap->ps.clientNum, MASK_MISSILESHOT);

		// Check for hit 
		if (riffleTrace.startsolid || riffleTrace.fraction != 1) {
			// When a nade flies for over 750ms and hits something, it'll explode
			if (totalFly > 750)
				break;

			// Calculate reflect angle (forward axis)
			int hitTime = eth.cg_time + totalFly - TIME_STEPP + TIME_STEPP * riffleTrace.fraction;
			eth_BG_EvaluateTrajectoryDelta(&riffleTrajectory, hitTime, riffleTrajectory.trDelta, qfalse, 0);
			float dot = DotProduct(riffleTrajectory.trDelta, riffleTrace.plane.normal);
			VectorMA(riffleTrajectory.trDelta, -2*dot, riffleTrace.plane.normal, riffleTrajectory.trDelta);

			// Scale down velocity
			VectorScale(riffleTrajectory.trDelta, 0.35, riffleTrajectory.trDelta);

			// More scale down velocity on movers
			if ((riffleTrace.plane.normal[2] < 0.2) || (riffleTrace.entityNum != ENTITYNUM_WORLD))
				VectorScale(riffleTrajectory.trDelta, 0.5, riffleTrajectory.trDelta);

			// Calc new max time and reset trTime
			maxTime -= timeOffset;
			timeOffset = 0;
			riffleTrajectory.trTime = eth.cg_time;

			// New base origins 
			VectorCopy(riffleTrace.endpos, riffleTrajectory.trBase);
			
			SnapVector(riffleTrajectory.trDelta);
			SnapVector(riffleTrajectory.trBase);
		} else {
			VectorCopy(nextPos, riffleImpact);
       		#define POINT_SIZE 2
			int x, y;
       		if (worldToScreen(nextPos, &x, &y)) {
		  		if (isVisible(nextPos))
					drawFillRect(x - (POINT_SIZE / 2), y - (POINT_SIZE / 2), POINT_SIZE, POINT_SIZE, colorYellow);
				else 
					drawFillRect(x - (POINT_SIZE / 2), y - (POINT_SIZE / 2), POINT_SIZE, POINT_SIZE, colorRed);
			}
		}
	}