/*
===========================================================================

Return to Castle Wolfenstein multiplayer GPL Source Code
Copyright (C) 1999-2010 id Software LLC, a ZeniMax Media company. 

This file is part of the Return to Castle Wolfenstein multiplayer GPL Source Code (RTCW MP Source Code).  

RTCW MP Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

RTCW MP Source Code 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.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with RTCW MP Source Code.  If not, see <http://www.gnu.org/licenses/>.

In addition, the RTCW MP Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the RTCW MP Source Code.  If not, please request a copy in writing from id Software at the address below.

If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.

===========================================================================
*/

// cg_effects.c -- these functions generate localentities, usually as a result
// of event processing

#include "cg_local.h"


/*
==================
CG_BubbleTrail

Bullets shot underwater
==================
*/
void CG_BubbleTrail( vec3_t start, vec3_t end, float size, float spacing ) {
	vec3_t move;
	vec3_t vec;
	float len;
	int i;

	VectorCopy( start, move );
	VectorSubtract( end, start, vec );
	len = VectorNormalize( vec );

	// advance a random amount first
	i = rand() % (int)spacing;
	VectorMA( move, i, vec, move );

	VectorScale( vec, spacing, vec );

	for ( ; i < len; i += spacing ) {
		localEntity_t   *le;
		refEntity_t     *re;

		le = CG_AllocLocalEntity();
		le->leFlags = LEF_PUFF_DONT_SCALE;
		le->leType = LE_MOVE_SCALE_FADE;
		le->startTime = cg.time;
		le->endTime = cg.time + 1000 + random() * 250;
		le->lifeRate = 1.0 / ( le->endTime - le->startTime );

		re = &le->refEntity;
		re->shaderTime = cg.time / 1000.0f;

		re->reType = RT_SPRITE;
		re->rotation = 0;
//		re->radius = 3;
		re->radius = size; // (SA)
		re->customShader = cgs.media.waterBubbleShader;
		re->shaderRGBA[0] = 0xff;
		re->shaderRGBA[1] = 0xff;
		re->shaderRGBA[2] = 0xff;
		re->shaderRGBA[3] = 0xff;

		le->color[3] = 1.0;

		le->pos.trType = TR_LINEAR;
		le->pos.trTime = cg.time;
		VectorCopy( move, le->pos.trBase );
		le->pos.trDelta[0] = crandom() * 3;
		le->pos.trDelta[1] = crandom() * 3;
//		le->pos.trDelta[2] = crandom()*5 + 6;
		le->pos.trDelta[2] = crandom() * 5 + 20;  // (SA)

		VectorAdd( move, vec, move );
	}
}

/*
=====================
CG_SmokePuff

Adds a smoke puff or blood trail localEntity.

(SA) boy, it would be nice to have an acceleration vector for this as well.
		big velocity vector with a negative acceleration for deceleration, etc.
		(breath could then come out of a guys mouth at the rate he's walking/running and it
		would slow down once it's created)
=====================
*/

//----(SA)	modified
localEntity_t *CG_SmokePuff( const vec3_t p, const vec3_t vel,
							 float radius,
							 float r, float g, float b, float a,
							 float duration,
							 int startTime,
							 int fadeInTime,
							 int leFlags,
							 qhandle_t hShader ) {
	static int seed = 0x92;
	localEntity_t   *le;
	refEntity_t     *re;

	le = CG_AllocLocalEntity();
	le->leFlags = leFlags;
	le->radius = radius;

	re = &le->refEntity;
	re->rotation = Q_random( &seed ) * 360;
	re->radius = radius;
	re->shaderTime = startTime / 1000.0f;

	le->leType = LE_MOVE_SCALE_FADE;
	le->startTime = startTime;
	le->endTime = startTime + duration;
	le->fadeInTime = fadeInTime;
	if ( fadeInTime > startTime ) {
		le->lifeRate = 1.0 / ( le->endTime - le->fadeInTime );
	} else {
		le->lifeRate = 1.0 / ( le->endTime - le->startTime );
	}
	le->color[0] = r;
	le->color[1] = g;
	le->color[2] = b;
	le->color[3] = a;


	le->pos.trType = TR_LINEAR;
	le->pos.trTime = startTime;
	VectorCopy( vel, le->pos.trDelta );
	VectorCopy( p, le->pos.trBase );

	VectorCopy( p, re->origin );
	re->customShader = hShader;

	// rage pro can't alpha fade, so use a different shader
	if ( cgs.glconfig.hardwareType == GLHW_RAGEPRO ) {
		re->customShader = cgs.media.smokePuffRageProShader;
		re->shaderRGBA[0] = 0xff;
		re->shaderRGBA[1] = 0xff;
		re->shaderRGBA[2] = 0xff;
		re->shaderRGBA[3] = 0xff;
	} else {
		re->shaderRGBA[0] = le->color[0] * 0xff;
		re->shaderRGBA[1] = le->color[1] * 0xff;
		re->shaderRGBA[2] = le->color[2] * 0xff;
		re->shaderRGBA[3] = 0xff;
	}
// JPW NERVE
	if ( cg_fxflags & 1 ) {
		re->customShader = getTestShader();
		re->rotation = 180;
	}
// jpw

	re->reType = RT_SPRITE;
	re->radius = le->radius;

	return le;
}

/*
==================
CG_SpawnEffect

Player teleporting in or out
==================
*/
void CG_SpawnEffect( vec3_t org ) {
#if 0 // (SA) don't play spawn in effect right now
	localEntity_t   *le;
	refEntity_t     *re;

	le = CG_AllocLocalEntity();
	le->leFlags = 0;
	le->leType = LE_FADE_RGB;
	le->startTime = cg.time;
	le->endTime = cg.time + 500;
	le->lifeRate = 1.0 / ( le->endTime - le->startTime );

	le->color[0] = le->color[1] = le->color[2] = le->color[3] = 1.0;

	re = &le->refEntity;

	re->reType = RT_MODEL;
	re->shaderTime = cg.time / 1000.0f;

	re->customShader = cgs.media.teleportEffectShader;
	re->hModel = cgs.media.teleportEffectModel;
	AxisClear( re->axis );

	VectorCopy( org, re->origin );
	re->origin[2] -= 24;
#endif
}

qhandle_t getTestShader( void ) {
	switch ( rand() % 2 ) {
	case 0:
		return cgs.media.nerveTestShader;
		break;
	case 1:
	default:
		return cgs.media.idTestShader;
		break;
	}
}

/*
====================
CG_MakeExplosion
====================
*/
localEntity_t *CG_MakeExplosion( vec3_t origin, vec3_t dir,
								 qhandle_t hModel, qhandle_t shader,
								 int msec, qboolean isSprite ) {
	float ang;
	localEntity_t   *ex;
	int offset;
	vec3_t tmpVec, newOrigin;

	if ( msec <= 0 ) {
		CG_Error( "CG_MakeExplosion: msec = %i", msec );
	}

	// skew the time a bit so they aren't all in sync
	offset = rand() & 63;

	ex = CG_AllocLocalEntity();
	if ( isSprite ) {
		ex->leType = LE_SPRITE_EXPLOSION;

		// randomly rotate sprite orientation
		ex->refEntity.rotation = rand() % 360;
		VectorScale( dir, 16, tmpVec );
		VectorAdd( tmpVec, origin, newOrigin );
	} else {
		ex->leType = LE_EXPLOSION;
		VectorCopy( origin, newOrigin );

		// set axis with random rotate
		if ( !dir ) {
			AxisClear( ex->refEntity.axis );
		} else {
			ang = rand() % 360;
			VectorCopy( dir, ex->refEntity.axis[0] );
			RotateAroundDirection( ex->refEntity.axis, ang );
		}
	}

	ex->startTime = cg.time - offset;
	ex->endTime = ex->startTime + msec;

	// bias the time so all shader effects start correctly
	ex->refEntity.shaderTime = ex->startTime / 1000.0f;

	ex->refEntity.hModel = hModel;
	ex->refEntity.customShader = shader;

	// set origin
	VectorCopy( newOrigin, ex->refEntity.origin );
	VectorCopy( newOrigin, ex->refEntity.oldorigin );

	// Ridah, move away from the wall as the sprite expands
	if ( dir )
	{
		ex->pos.trType = TR_LINEAR;
		ex->pos.trTime = cg.time;
		VectorCopy( newOrigin, ex->pos.trBase );
		VectorScale( dir, 48, ex->pos.trDelta );
	}
	// done.

	ex->color[0] = ex->color[1] = ex->color[2] = 1.0;

	return ex;
}

/*
=================
CG_AddBloodTrails
=================
*/
void CG_AddBloodTrails( vec3_t origin, vec3_t dir, int speed, int duration, int count, float randScale ) {
	localEntity_t   *le;
	refEntity_t     *re;
	vec3_t velocity;
	int i;

	for ( i = 0; i < count; i++ ) {
		le = CG_AllocLocalEntity();
		re = &le->refEntity;

		VectorSet( velocity, dir[0] + crandom() * randScale, dir[1] + crandom() * randScale, dir[2] + crandom() * randScale );
		VectorScale( velocity, (float)speed, velocity );

		le->leType = LE_BLOOD;
		le->startTime = cg.time;
		le->endTime = le->startTime + duration; // DHM - Nerve :: (removed) - (int)(0.5 * random() * duration);
		le->lastTrailTime = cg.time;

		VectorCopy( origin, re->origin );
		AxisCopy( axisDefault, re->axis );

		le->pos.trType = TR_GRAVITY_LOW;
		VectorCopy( origin, le->pos.trBase );
		VectorMA( le->pos.trBase, 2 + random() * 4, dir, le->pos.trBase );
		VectorCopy( velocity, le->pos.trDelta );
		le->pos.trTime = cg.time;

		le->bounceFactor = 0.9;
	}
}

/*
=================
CG_Bleed

This is the spurt of blood when a character gets hit
=================
*/
void CG_Bleed( vec3_t origin, int entityNum ) {
#define BLOOD_SPURT_COUNT   4
	int i,j;
//	localEntity_t *ex;
	centity_t *cent;
//	vec3_t	dir;

	if ( !cg_blood.integer ) {
		return;
	}

	cent = &cg_entities[entityNum];

	if ( cent->currentState.aiChar == AICHAR_ZOMBIE ) {
		CG_ParticleBloodCloudZombie( cent, origin, vec3_origin );
		return;
	}

	// Ridah, blood spurts
	if ( entityNum != cg.snap->ps.clientNum ) {
		vec3_t vhead, vlegs, vtorso, bOrigin, dir, vec, pvec, ndir;

		CG_GetBleedOrigin( vhead, vtorso, vlegs, entityNum );

		// project the impact point onto the vector defined by torso -> head
		ProjectPointOntoVector( origin, vtorso, vhead, bOrigin );

		// if it's below the waste, or above the head, clamp
		VectorSubtract( vhead, vtorso, vec );
		VectorSubtract( bOrigin, vtorso, pvec );
		if ( DotProduct( pvec, vec ) < 0 ) {
			VectorCopy( vtorso, bOrigin );
		} else {
			VectorSubtract( bOrigin, vhead, pvec );
			if ( DotProduct( pvec, vec ) > 0 ) {
				VectorCopy( vhead, bOrigin );
			}
		}

		// spawn some blood trails, heading out towards the impact point
		VectorSubtract( origin, bOrigin, dir );
		VectorNormalize( dir );

		{
			float len;
			vec3_t vec;

			VectorSubtract( bOrigin, vhead, vec );
			len = VectorLength( vec );

			if ( len > 8 ) {
				VectorMA( bOrigin, 8, dir, bOrigin );
			}
		}

		// DHM - Nerve :: Made minor adjustments
		for ( i = 0; i < BLOOD_SPURT_COUNT; i++ ) {
			VectorCopy( dir, ndir );
			for ( j = 0; j < 3; j++ ) ndir[j] += crandom() * 0.3;
			VectorNormalize( ndir );
			CG_AddBloodTrails( bOrigin, ndir,
							   100,     // speed
							   450 + (int)( crandom() * 50 ),   // duration
							   2 + rand() % 2,  // count
							   0.1 );   // rand scale
		}

	}
	// done.
}



/*
==================
CG_LaunchGib
==================
*/
void CG_LaunchGib( centity_t *cent, vec3_t origin, vec3_t angles, vec3_t velocity, qhandle_t hModel, float sizeScale, int breakCount ) {
	localEntity_t   *le;
	refEntity_t     *re;
	int i;

	if ( !cg_blood.integer ) {
		return;
	}

	if ( !cent ) {
		return;
	}

	le = CG_AllocLocalEntity();
	re = &le->refEntity;

	le->leType = LE_FRAGMENT;
	le->startTime = cg.time;
	// le->endTime = le->startTime + 60000 + random() * 60000;
	le->endTime = le->startTime + 20000 + ( crandom() * 5000 );
	le->breakCount = breakCount;
	le->sizeScale = sizeScale;

	VectorCopy( angles, le->angles.trBase );
	VectorCopy( origin, re->origin );
	AnglesToAxis( angles, re->axis );
	if ( sizeScale != 1.0 ) {
		for ( i = 0; i < 3; i++ ) VectorScale( re->axis[i], sizeScale, re->axis[i] );
	}
	re->hModel = hModel;

	// re->fadeStartTime		= le->endTime - 3000;
	re->fadeStartTime       = le->endTime - 1000;
	re->fadeEndTime         = le->endTime;

	switch ( cent->currentState.aiChar ) {
	case AICHAR_ZOMBIE:
		le->pos.trType = TR_GRAVITY_LOW;
		le->angles.trDelta[0] = 400 * crandom();
		le->angles.trDelta[1] = 400 * crandom();
		le->angles.trDelta[2] = 400 * crandom();

		le->leBounceSoundType = LEBS_BONE;

		le->bounceFactor = 0.5;
		break;
	default:
		le->leBounceSoundType = LEBS_BLOOD;
		le->leMarkType = LEMT_BLOOD;
		le->pos.trType = TR_GRAVITY;

		le->angles.trDelta[0] = ( 10 + ( rand() & 50 ) ) - 30;
		//	le->angles.trDelta[0] = (100 + (rand()&500)) - 300;	// pitch
		le->angles.trDelta[1] = ( 100 + ( rand() & 500 ) ) - 300; // (SA) this is the safe one right now (yaw)  turn the others up when I have tumbling things landing properly
		le->angles.trDelta[2] = ( 10 + ( rand() & 50 ) ) - 30;
		//	le->angles.trDelta[2] = (100 + (rand()&500)) - 300;	// roll

		le->bounceFactor = 0.3;
		break;
	}
	VectorCopy( origin, le->pos.trBase );
	VectorCopy( velocity, le->pos.trDelta );
	le->pos.trTime = cg.time;


	le->angles.trType = TR_LINEAR;

	le->angles.trTime = cg.time;

	le->ownerNum = cent->currentState.number;

	// Ridah, if the player is on fire, then spawn some flaming gibs
	if ( cent && CG_EntOnFire( cent ) ) {
		le->onFireStart = cent->currentState.onFireStart;
		le->onFireEnd = re->fadeEndTime + 1000;
	} else if ( ( cent->currentState.aiChar == AICHAR_ZOMBIE ) && IS_FLAMING_ZOMBIE( cent->currentState ) ) {
		le->onFireStart = cg.time - 1000;
		le->onFireEnd = re->fadeEndTime + 1000;
	}
}

//#define	GIB_VELOCITY	250
//#define	GIB_JUMP		250

#define GIB_VELOCITY    75
#define GIB_JUMP        250


/*
==============
CG_LoseHat
==============
*/
void CG_LoseHat( centity_t *cent, vec3_t dir ) {
	clientInfo_t    *ci;
	int clientNum;
//	int i, count, tagIndex, gibIndex;
	vec3_t origin = { 0 }, velocity = { 0 };

	clientNum = cent->currentState.clientNum;
	if ( clientNum < 0 || clientNum >= MAX_CLIENTS ) {
		CG_Error( "Bad clientNum on player entity" );
	}
	ci = &cgs.clientinfo[ clientNum ];

	if ( !ci->accModels[ACC_HAT] ) {  // don't launch anything if they don't have one
		return;
	}

	CG_GetOriginForTag( cent, &cent->pe.headRefEnt, "tag_mouth", 0, origin, NULL );

	velocity[0] = dir[0] * ( 0.75 + random() ) * GIB_VELOCITY;
	velocity[1] = dir[1] * ( 0.75 + random() ) * GIB_VELOCITY;
	velocity[2] = GIB_JUMP - 50 + dir[2] * ( 0.5 + random() ) * GIB_VELOCITY;

	{
		localEntity_t   *le;
		refEntity_t     *re;

		le = CG_AllocLocalEntity();
		re = &le->refEntity;

		le->leType = LE_FRAGMENT;
		le->startTime = cg.time;
		le->endTime = le->startTime + 20000 + ( crandom() * 5000 );

		VectorCopy( origin, re->origin );
		AxisCopy( axisDefault, re->axis );
		re->hModel = ci->accModels[ACC_HAT];

		re->fadeStartTime       = le->endTime - 1000;
		re->fadeEndTime         = le->endTime;

		// (SA) FIXME: origin of hat md3 is offset from center.  need to center the origin when you toss it
		le->pos.trType = TR_GRAVITY;
		VectorCopy( origin, le->pos.trBase );
		VectorCopy( velocity, le->pos.trDelta );
		le->pos.trTime = cg.time;

		// spin it a bit
		le->angles.trType       = TR_LINEAR;
		VectorCopy( tv( 0, 0, 0 ), le->angles.trBase );
		le->angles.trDelta[0]   = 0;
		le->angles.trDelta[1]   = ( 100 + ( rand() & 500 ) ) - 300;
//		le->angles.trDelta[2]	= 0;
		le->angles.trDelta[2]   = 400;  // (SA) this is set with a very particular value to try to get it
										// to flip exactly once before landing (based on player alive
										// (standing) and on level ground) and will be unnecessary when
										// I have things landing properly on their own

		le->angles.trTime       = cg.time;

		le->bounceFactor = 0.2;

		// Ridah, if the player is on fire, then make the hat on fire
		if ( cent && CG_EntOnFire( cent ) ) {
			le->onFireStart = cent->currentState.onFireStart;
			le->onFireEnd = cent->currentState.onFireEnd + 4000;
		}
	}
}
/*
==============
CG_GibHead

  FIXME: accept the cent as parameter, and use it to grab the head position
  from the model TAG's
==============
*/
void CG_GibHead( vec3_t headOrigin ) {
	vec3_t origin, velocity;

	VectorCopy( headOrigin, origin );
	velocity[0] = crandom() * GIB_VELOCITY;
	velocity[1] = crandom() * GIB_VELOCITY;
	velocity[2] = GIB_JUMP + crandom() * GIB_VELOCITY;
	CG_LaunchGib( NULL, origin, vec3_origin, velocity, cgs.media.gibSkull, 1.0, 0 );

	VectorCopy( headOrigin, origin );
	velocity[0] = crandom() * GIB_VELOCITY;
	velocity[1] = crandom() * GIB_VELOCITY;
	velocity[2] = GIB_JUMP + crandom() * GIB_VELOCITY;
	CG_LaunchGib( NULL, origin, vec3_origin, velocity, cgs.media.gibBrain, 1.0, 0 );

}

/*
======================
CG_GetOriginForTag

  places the position of the tag into "org"

  returns the index of the tag it used, so we can cycle through tag's with the same name
======================
*/
int CG_GetOriginForTag( centity_t *cent, refEntity_t *parent, char *tagName, int startIndex, vec3_t org, vec3_t axis[3] ) {
	int i;
	orientation_t lerped;
	int retval;

	// lerp the tag
	retval = trap_R_LerpTag( &lerped, parent, tagName, startIndex );

	if ( retval < 0 ) {
		return retval;
	}

	VectorCopy( parent->origin, org );

	for ( i = 0 ; i < 3 ; i++ ) {
		VectorMA( org, lerped.origin[i], parent->axis[i], org );
	}

	if ( axis ) {
		// had to cast away the const to avoid compiler problems...
		MatrixMultiply( lerped.axis, ( (refEntity_t *)parent )->axis, axis );
	}

	return retval;
}

/*
===================
CG_GibPlayer

Generated a bunch of gibs launching out from the bodies location
===================
*/
#define MAXJUNCTIONS 8

void CG_GibPlayer( centity_t *cent, vec3_t playerOrigin, vec3_t gdir ) {
	vec3_t origin, velocity, dir;
	int i, count = 0, tagIndex, gibIndex;
	trace_t trace;
	qboolean foundtag;

	clientInfo_t    *ci;
	int clientNum;

	// Rafael
	// BloodCloud
	qboolean newjunction[MAXJUNCTIONS];
	vec3_t junctionOrigin[MAXJUNCTIONS];
	int junction;
	int j;
	// TTimo: unused
	//float size;
	vec3_t axis[3], angles;

	char *JunctiongibTags[] = {
		// leg tag
		"tag_footright",
		"tag_footleft",
		"tag_legright",
		"tag_legleft",

		// torsotags
		"tag_armright",
		"tag_armleft",

		"tag_torso",
		"tag_chest"
	};

	char *ConnectTags[] = {
		// legs tags
		"tag_legright",
		"tag_legleft",
		"tag_torso",
		"tag_torso",

		// torso tags
		"tag_chest",
		"tag_chest",

		"tag_chest",
		"tag_torso",
	};

	char *gibTags[] = {
		// tags in the legs
		"tag_footright",
		"tag_footleft",
		"tag_legright",
		"tag_legleft",
		"tag_torso",

		// tags in the torso
		"tag_chest",
		"tag_armright",
		"tag_armleft",
		"tag_head",
		NULL
	};

	if ( cg_blood.integer ) {
		// Rafael
		for ( i = 0; i < MAXJUNCTIONS; i++ )
			newjunction[i] = qfalse;

		clientNum = cent->currentState.clientNum;
		if ( clientNum < 0 || clientNum >= MAX_CLIENTS ) {
			CG_Error( "Bad clientNum on player entity" );
		}
		ci = &cgs.clientinfo[ clientNum ];

		// Ridah, fetch the various positions of the tag_gib*'s
		// and spawn the gibs from the correct places (especially the head)
		for ( gibIndex = 0, count = 0, foundtag = qtrue; foundtag && gibIndex < MAX_GIB_MODELS && gibTags[gibIndex]; gibIndex++ ) {

			refEntity_t *re = 0;

			foundtag = qfalse;

			if ( !ci->gibModels[gibIndex] ) {
				continue;
			}

			re = &cent->pe.torsoRefEnt;

			for ( tagIndex = 0; ( tagIndex = CG_GetOriginForTag( cent, re, gibTags[gibIndex], tagIndex, origin, axis ) ) >= 0; count++, tagIndex++ ) {

				foundtag = qtrue;

				VectorSubtract( origin, re->origin, dir );
				VectorNormalize( dir );

				// spawn a gib
				velocity[0] = dir[0] * ( 0.5 + random() ) * GIB_VELOCITY * 0.3;
				velocity[1] = dir[1] * ( 0.5 + random() ) * GIB_VELOCITY * 0.3;
				velocity[2] = GIB_JUMP + dir[2] * ( 0.5 + random() ) * GIB_VELOCITY * 0.5;

				VectorMA( velocity, GIB_VELOCITY, gdir, velocity );
				AxisToAngles( axis, angles );

				CG_LaunchGib( cent, origin, angles, velocity, ci->gibModels[gibIndex], 1.0, 0 );

				for ( junction = 0; junction < MAXJUNCTIONS; junction++ )
				{
					if ( !Q_stricmp( gibTags[gibIndex], JunctiongibTags[junction] ) ) {
						VectorCopy( origin, junctionOrigin[junction] );
						newjunction[junction] = qtrue;
					}
				}
			}
		}

		for ( i = 0; i < MAXJUNCTIONS; i++ )
		{
			if ( newjunction[i] == qtrue ) {
				for ( j = 0; j < MAXJUNCTIONS; j++ )
				{
					if ( !Q_stricmp( JunctiongibTags[j], ConnectTags[i] ) ) {
						if ( newjunction[j] == qtrue ) {
							// spawn a blood cloud somewhere on the vec from
							VectorSubtract( junctionOrigin[i], junctionOrigin[j], dir );
							CG_ParticleBloodCloud( cent, junctionOrigin[i], dir );
						}
					}
				}
			}
		}

		// Ridah, spawn a bunch of blood dots around the place
		#define GIB_BLOOD_DOTS  3
		for ( i = 0, count = 0; i < GIB_BLOOD_DOTS * 2; i++ ) {
			// TTimo: unused
			//static vec3_t mins = {-10,-10,-10};
			//static vec3_t maxs = { 10, 10, 10};

			if ( i > 0 ) {
				velocity[0] = ( ( i % 2 ) * 2 - 1 ) * ( 40 + 40 * random() );
				velocity[1] = ( ( ( i / 2 ) % 2 ) * 2 - 1 ) * ( 40 + 40 * random() );
				velocity[2] = ( ( ( i < GIB_BLOOD_DOTS ) * 2 ) - 1 ) * 40;
			} else {
				VectorClear( velocity );
				velocity[2] = -64;
			}

			VectorAdd( playerOrigin, velocity, origin );

			CG_Trace( &trace, playerOrigin, NULL, NULL, origin, -1, CONTENTS_SOLID );
			if ( trace.fraction < 1.0 ) {
				BG_GetMarkDir( velocity, trace.plane.normal, velocity );
				CG_ImpactMark( cgs.media.bloodDotShaders[rand() % 5], trace.endpos, velocity, random() * 360,
							   1,1,1,1, qtrue, 30, qfalse, cg_bloodTime.integer * 1000 );
				if ( count++ > GIB_BLOOD_DOTS ) {
					break;
				}
			}
		}
	}

	if ( !( cent->currentState.eFlags & EF_HEADSHOT ) ) { // (SA) already lost hat while living
		CG_LoseHat( cent, tv( 0, 0, 1 ) );
	}
}


/*
==============
CG_SparklerSparks
==============
*/
void CG_SparklerSparks( vec3_t origin, int count ) {
// these effect the look of the, umm, effect
	int FUSE_SPARK_LIFE         = 100;
	int FUSE_SPARK_LENGTH       = 30;
// these are calculated from the above
	int FUSE_SPARK_SPEED        = ( FUSE_SPARK_LENGTH * 1000 / FUSE_SPARK_LIFE );

	int i;
	localEntity_t   *le;
	refEntity_t     *re;

	for ( i = 0; i < count; i++ ) {

		// spawn the spark
		le = CG_AllocLocalEntity();
		re = &le->refEntity;

		le->leType = LE_FUSE_SPARK;
		le->startTime = cg.time;
		le->endTime = cg.time + FUSE_SPARK_LIFE;
		le->lastTrailTime = cg.time;

		VectorCopy( origin, re->origin );

		le->pos.trType = TR_GRAVITY;
		VectorCopy( origin, le->pos.trBase );
		VectorSet( le->pos.trDelta, crandom(), crandom(), crandom() );
		VectorNormalize( le->pos.trDelta );
		VectorScale( le->pos.trDelta, FUSE_SPARK_SPEED, le->pos.trDelta );
		le->pos.trTime = cg.time;

	}
}

// just a bunch of numbers we can use for pseudo-randomizing based on time
#define NUMRANDTABLE 257
unsigned int randtable[NUMRANDTABLE] =
{
	0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
	0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
	0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
	0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
	0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
	0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
	0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
	0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
	0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
	0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
	0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
	0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
	0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
	0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
	0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
	0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
	0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
	0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
	0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
	0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
	0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
	0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
	0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
	0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
	0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
	0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
	0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
	0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
	0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
	0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
	0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
	0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
};

#define LT_MS       100 // random number will change every LT_MS millseconds
#define LT_RANDMAX  ( (unsigned short)0xffff )

float lt_random( int thisrandseed, int t ) {
	return (float)randtable[( thisrandseed + t + ( cg.time / LT_MS ) * ( cg.time / LT_MS ) ) % NUMRANDTABLE] / (float)LT_RANDMAX;
}

float lt_crandom( int thisrandseed, int t ) {
	return ( ( 2.0 * ( (float)randtable[( thisrandseed + t + ( cg.time / LT_MS ) * ( cg.time / LT_MS ) ) % NUMRANDTABLE] / (float)LT_RANDMAX ) ) - 1.0 );
}

/*
===============
CG_DynamicLightningBolt
===============
*/
void CG_DynamicLightningBolt( qhandle_t shader, vec3_t start, vec3_t pend, int numBolts, float maxWidth, qboolean fade, float startAlpha, int recursion, int randseed ) {
	int i,j;
	float segMin, segMax, length;
	float thisSeg, distLeft, thisWidth;
	vec3_t pos, vec, end;
	int curJunc;
	vec3_t c, bc = {0.8,0.9,1};
	const float rndSize = 12.0;
	const float maxSTscale = 30.0;
	float stScale;
	float alpha, viewDist;
	const int trailLife = 1;
	int forks = 0;
	#define STYPE_LIGHTNING     STYPE_REPEAT    // ST mapping for trail
	#define FORK_CHANCE     0.5
	#define VIEW_SCALE_DIST 128

	VectorCopy( pend, end );    // need this so recursive calls don't override stacked endpoints

	// HACK, updated sprite, so downscale all widths
	maxWidth *= 0.6;

	length = Distance( start, end );
	//if (length > 128) {
	segMin = length / 10.0;
	if ( segMin < 8 ) {
		segMin = 8;
	}
	segMax = segMin * 1.2;
	//segMax = length / 30.0;
	//} else {
	//	segMin = length / 3.0;
	//	segMax = length / 1.5;
	//}

	if ( startAlpha > 1.0 ) {
		startAlpha = 1.0;
	}
	alpha = startAlpha; // change only if fading

	for ( i = 0; i < numBolts; i++ )
	{
		distLeft = length;
		VectorCopy( start, pos );
		// drop a start junction
		stScale = maxSTscale * ( 0.5 + lt_random( randseed,i + 1 ) * 0.5 );
		if ( fade ) {
			if ( startAlpha == 1.0 ) {
				alpha = startAlpha * ( distLeft / length );
			} else {
				alpha = 1.0 - 1.0 * fabs( ( 1.0 - ( distLeft / length ) ) - startAlpha );
				if ( alpha < 0 ) {
					alpha = 0;
				}
				if ( alpha > 1 ) {
					alpha = 1;
				}
			}
		}
		thisWidth = maxWidth * ( 0.5 + 0.5 * alpha );
		if ( ( viewDist = VectorDistance( pos, cg.refdef.vieworg ) ) < VIEW_SCALE_DIST ) {
			thisWidth *= 0.5 + ( 0.5 * ( viewDist / VIEW_SCALE_DIST ) );
			if ( thisWidth < 4.0 && thisWidth < maxWidth ) {
				thisWidth = 4.0;
			}
		} else {    // scale it wider with distance so it remains visible
			thisWidth *= 0.5 + ( 0.5 * ( viewDist / VIEW_SCALE_DIST ) );
			if ( thisWidth > maxWidth * 2 ) {
				// thisWidth > maxWidth*2;
				thisWidth = maxWidth * 2;
			}
		}
		//
		VectorScale( bc, alpha, c );
		c[2] *= 1.0 + ( 1.0 - alpha );
		if ( c[2] > 1.0 ) {
			c[2] = 1.0;
		}
		//
		curJunc = CG_AddTrailJunc( 0, shader, cg.time, STYPE_LIGHTNING, pos, trailLife, 1, 1, thisWidth, thisWidth, TJFL_NOCULL, c, c, stScale, 20.0 );
		while ( distLeft > 0 )
		{   // create this bolt
			thisSeg = segMin + ( segMax - segMin ) * lt_random( randseed,2 );
			thisWidth = maxWidth * ( 0.5 + 0.5 * alpha );
			if ( thisSeg >= distLeft - rndSize ) { // go directly to the end point
				VectorCopy( end, pos );
				thisWidth *= 0.6;
			} else if ( (float)distLeft / length < 0.3 ) {
				VectorSubtract( end, pos, vec );
				VectorNormalize( vec );
				VectorMA( pos, thisSeg, vec, pos );
				// randomize the position a bit
				thisSeg *= 0.05;
				if ( thisSeg > rndSize ) {
					thisSeg = rndSize;
				}
				for ( j = 0; j < 3; j++ ) {
					viewDist = lt_crandom( randseed * randseed,j * j + i * i + 3 );
					if ( fabs( viewDist ) < 0.5 ) {
						if ( viewDist > 0 ) {
							viewDist = 0.5;
						} else { viewDist = -0.5;}
					}
					pos[j] += viewDist * thisSeg;
				}
			} else {
				VectorSubtract( end, pos, vec );
				VectorNormalize( vec );
				VectorMA( pos, thisSeg, vec, pos );
				// randomize the position a bit
				thisSeg *= 0.25;
				if ( thisSeg > rndSize ) {
					thisSeg = rndSize;
				}
				for ( j = 0; j < 3; j++ ) {
					viewDist = lt_crandom( randseed,j * j + i * i + 3 );
					if ( fabs( viewDist ) < 0.5 ) {
						if ( viewDist > 0 ) {
							viewDist = 0.5;
						} else { viewDist = -0.5;}
					}
					pos[j] += viewDist * thisSeg;
				}
			}

			distLeft = Distance( pos, end );
			if ( fade ) {
				if ( startAlpha == 1.0 ) {
					alpha = startAlpha * ( distLeft / length );
				} else {
					alpha = 1.0 - 1.0 * fabs( ( 1.0 - ( distLeft / length ) ) - startAlpha );
					if ( alpha < 0 ) {
						alpha = 0;
					}
					if ( alpha > 1 ) {
						alpha = 1;
					}
				}
			}
			//thisWidth *= alpha;
			if ( ( viewDist = VectorDistance( pos, cg.refdef.vieworg ) ) < VIEW_SCALE_DIST ) {
				thisWidth *= 0.5 + ( 0.5 * ( viewDist / VIEW_SCALE_DIST ) );
				if ( thisWidth < 4.0 && thisWidth < maxWidth ) {
					thisWidth = 4.0;
				}
			} else {    // scale it wider with distance so it remains visible
				thisWidth *= 0.5 + ( 0.5 * ( viewDist / VIEW_SCALE_DIST ) );
				if ( thisWidth > maxWidth * 2 ) {
					// thisWidth > maxWidth*2;
					thisWidth = maxWidth * 2;
				}

			}
			//
			VectorScale( bc, alpha, c );
			c[2] *= 1.0 + ( 1.0 - alpha );
			if ( c[2] > 1.0 ) {
				c[2] = 1.0;
			}
			//
			//stScale = maxSTscale * (0.4 + lt_random(randseed,1)*0.6);
			curJunc = CG_AddTrailJunc( curJunc, shader, cg.time, STYPE_LIGHTNING, pos, trailLife, 1, 1, thisWidth, thisWidth, TJFL_NOCULL, c, c, stScale, 20.0 );

			// fork from here?
			if ( thisWidth < 4 && distLeft > 10 && recursion < 3 && forks < 3 && lt_random( randseed,383 + i + forks ) < FORK_CHANCE ) {
				vec3_t fend;
				forks++;
				VectorSet( fend,
						   distLeft * 0.3 * lt_crandom( randseed,56 + i + forks ),
						   distLeft * 0.3 * lt_crandom( randseed,160 + i + forks ),
						   distLeft * 0.3 * lt_crandom( randseed,190 + i + forks ) );
				VectorAdd( fend, end, fend );
				VectorSubtract( fend, pos, fend );
				VectorMA( pos, 0.2 + 0.7 * lt_random( randseed,6 + i + forks ), fend, fend );

				//if (recursion > 0 && recursion < 2) {
				//	CG_DynamicLightningBolt( cgs.media.lightningBoltShader, pos, fend, 1, maxWidth, qtrue, alpha, recursion, randseed );
				//	return;	// divert bolt rather than split
				//} else {
				CG_DynamicLightningBolt( shader, pos, fend, 1, maxWidth, qtrue, alpha, recursion + 1, randseed + 765 );
				//}
			}

			randseed++;

		}
	}
}



/*
================
CG_ProjectedSpotLight
================
*/
void CG_ProjectedSpotLight( vec3_t start, vec3_t dir ) {
	vec3_t end, proj;
	trace_t tr;
	float alpha, radius;

	VectorMA( start, 1000, dir, end );
	CG_Trace( &tr, start, NULL, NULL, end, -1, CONTENTS_SOLID );
	if ( tr.fraction == 1.0 ) {
		return;
	}
	//
	alpha = ( 1.0 - tr.fraction );
	if ( alpha > 1.0 ) {
		alpha = 1.0;
	}
	//
	radius = 32 + 64 * tr.fraction;
	VectorNegate( dir, proj );
	CG_ImpactMark( cgs.media.spotLightShader, tr.endpos, proj, 0, alpha, alpha, alpha, 1.0, qfalse, radius, qtrue, -2 );
}


#define MAX_SPOT_SEGS 20
#define MAX_SPOT_RANGE 2000
/*
==============
CG_Spotlight
	segs:	number of sides on tube. - 999 is a valid value and just means, 'cap to max' (MAX_SPOT_SEGS) or use lod scheme
	range:	effective range of beam
	startWidth: will be optimized for '0' as a value (true cone) to not use quads and not cap the start circle

	-- flags --
	SL_NOTRACE			- don't do a trace check for shortening the beam, always draw at full 'range' length
	SL_TRACEWORLDONLY	- go through everything but the world
	SL_NODLIGHT			- don't put a dlight at the end
	SL_NOSTARTCAP		- dont' cap the start circle
	SL_LOCKTRACETORANGE	- only trace out as far as the specified range (rather than to max spot range)
	SL_NOFLARE			- don't draw a flare when the light is pointing at the camera
	SL_NOIMPACT			- don't draw the impact mark on hit surfaces
	SL_LOCKUV			- lock the texture coordinates at the 'true' length of the requested beam.
	SL_NOCORE			- don't draw the center 'core' beam






  I know, this is a bit kooky right now.  It evolved big, but now that I know what it should do, it'll get
  crunched down to a bunch of table driven stuff.  once it works, I'll make it work well...

==============
*/

void CG_Spotlight( centity_t *cent, float *color, vec3_t realstart, vec3_t lightDir, int segs, float range, int startWidth, float coneAngle, int flags ) {
	int i, j;
	vec3_t start, traceEnd, proj;
	vec3_t right, up;
	vec3_t v1, v2;
	vec3_t startvec, endvec;        // the vectors to rotate around lightDir to create the circles
	vec3_t conevec;
	vec3_t start_points[MAX_SPOT_SEGS], end_points[MAX_SPOT_SEGS];
	vec3_t coreright;
	polyVert_t verts[MAX_SPOT_SEGS * 4]; // x4 for 4 verts per poly
	polyVert_t plugVerts[MAX_SPOT_SEGS];
	vec3_t endCenter;
	polyVert_t coreverts[4];
	trace_t tr;
	float alpha;
	float radius = 0.0; // TTimo might be used uninitialized
	float coreEndRadius;
	qboolean capStart = qtrue;
	float hitDist;          // the actual distance of the trace impact	(0 is no hit)
	float beamLen;          // actual distance of the drawn beam
	float endAlpha    = 0.0;
	vec4_t colorNorm;       // normalized color vector
	refEntity_t ent;
	vec3_t angles;

	VectorCopy( realstart, start );

	// normalize color
	colorNorm[3] = 0;   // store normalize multiplier in alpha index
	for ( i = 0; i < 3; i++ ) {
		if ( color[i] > colorNorm[3] ) {
			colorNorm[3] = color[i];    // find largest color value in RGB
		}
	}

	if ( colorNorm[3] != 1 ) {     // it needs to be boosted
		VectorMA( color, 1.0 / colorNorm[3], color, colorNorm );    // FIXME: div by 0
	} else {
		VectorCopy( color, colorNorm );
	}
	colorNorm[3] = color[3];


	if ( flags & SL_NOSTARTCAP ) {
		capStart = qfalse;
	}

	if ( startWidth == 0 ) {   // cone, not cylinder
		capStart = qfalse;
	}

	if ( flags & SL_LOCKTRACETORANGE ) {
		VectorMA( start, range, lightDir, traceEnd );           // trace out to 'range'
	} else {
		VectorMA( start, MAX_SPOT_RANGE, lightDir, traceEnd );  // trace all the way out to max dist
	}

	// first trace to see if anything is hit
	if ( flags & SL_NOTRACE ) {
		tr.fraction = 1.0;  // force no hit
		VectorCopy(traceEnd, tr.endpos);
	} else {
		if ( flags & SL_TRACEWORLDONLY ) {
			CG_Trace( &tr, start, NULL, NULL, traceEnd, -1, CONTENTS_SOLID );
		} else {
			CG_Trace( &tr, start, NULL, NULL, traceEnd, -1, MASK_SHOT );
		}
//		CG_Trace( &tr, start, NULL, NULL, traceEnd, -1, MASK_ALL &~(CONTENTS_MONSTERCLIP|CONTENTS_AREAPORTAL|CONTENTS_CLUSTERPORTAL));
	}


	if ( tr.fraction < 1.0 ) {
		hitDist = beamLen = MAX_SPOT_RANGE * tr.fraction;
		if ( beamLen > range ) {
			beamLen = range;
		}
	} else {
		hitDist = 0;
		beamLen = range;
	}


	if ( flags & SL_LOCKUV ) {
		if ( beamLen < range ) {
			endAlpha = 255.0f * ( color[3] - ( color[3] * beamLen / range ) );
		}
	}


	if ( segs >= MAX_SPOT_SEGS ) {
		segs = MAX_SPOT_SEGS - 1;
	}

	// TODO: adjust segs based on r_lodbias
	// TODO: move much of this to renderer


// model at base
	if ( cent->currentState.modelindex ) {
		memset( &ent, 0, sizeof( ent ) );
		ent.frame = 0;
		ent.oldframe = 0;
		ent.backlerp = 0;
		VectorCopy( cent->lerpOrigin, ent.origin );
		VectorCopy( cent->lerpOrigin, ent.oldorigin );
		ent.hModel = cgs.gameModels[cent->currentState.modelindex];
		//	AnglesToAxis( cent->lerpAngles, ent.axis );
		vectoangles( lightDir, angles );
		AnglesToAxis( angles, ent.axis );
		trap_R_AddRefEntityToScene( &ent );
		memcpy( &cent->refEnt, &ent, sizeof( refEntity_t ) );

		// push start out a bit so the beam fits to the front of the base model
		VectorMA( start, 14, lightDir, start );
	}

//// BEAM

	PerpendicularVector( up, lightDir );
	CrossProduct( lightDir, up, right );

	// find first vert of the start
	VectorScale( right, startWidth, startvec );
	// find the first vert of the end
	RotatePointAroundVector( conevec, up, lightDir, -coneAngle );
	VectorMA( startvec, beamLen, conevec, endvec );   // this applies the offset of the start diameter before finding the end points

	VectorScale( lightDir, beamLen, endCenter );
	VectorSubtract( endCenter, endvec, coreverts[3].xyz );    // get a vector of the radius out at the end for the core to use
	coreEndRadius = VectorLength( coreverts[3].xyz );
#define CORESCALE 0.6f

//
//	generate the flat beam 'core'
//
	if ( !( flags & SL_NOCORE ) ) {
		VectorSubtract( start, cg.refdef.vieworg, v1 );
		VectorNormalize( v1 );
		VectorSubtract( traceEnd, cg.refdef.vieworg, v2 );
		VectorNormalize( v2 );
		CrossProduct( v1, v2, coreright );
		VectorNormalize( coreright );

		memset( &coreverts[0], 0, 4 * sizeof( polyVert_t ) );
		VectorMA( start, startWidth * 0.5f, coreright, coreverts[0].xyz );
		VectorMA( start, -startWidth * 0.5f, coreright, coreverts[1].xyz );
		VectorMA( endCenter, -coreEndRadius * CORESCALE, coreright, coreverts[2].xyz );
		VectorAdd( start, coreverts[2].xyz, coreverts[2].xyz );
		VectorMA( endCenter, coreEndRadius * CORESCALE, coreright, coreverts[3].xyz );
		VectorAdd( start, coreverts[3].xyz, coreverts[3].xyz );

		for ( i = 0; i < 4; i++ ) {
			coreverts[i].modulate[0] = color[0] * 200.0f;
			coreverts[i].modulate[1] = color[1] * 200.0f;
			coreverts[i].modulate[2] = color[2] * 200.0f;
			coreverts[i].modulate[3] = color[3] * 200.0f;
			if ( i > 1 ) {
				coreverts[i].modulate[3] = 0;
			}
		}

		trap_R_AddPolyToScene( cgs.media.spotLightBeamShader, 4, &coreverts[0] );
	}


//
// generate the beam cylinder
//



	for ( i = 0; i <= segs; i++ ) {
		RotatePointAroundVector( start_points[i], lightDir, startvec, ( 360.0f / (float)segs ) * i );
		VectorAdd( start_points[i], start, start_points[i] );

		RotatePointAroundVector( end_points[i], lightDir, endvec, ( 360.0f / (float)segs ) * i );
		VectorAdd( end_points[i], start, end_points[i] );
	}

	for ( i = 0; i < segs; i++ ) {

		j = ( i * 4 );

		VectorCopy( start_points[i], verts[( i * 4 )].xyz );
		verts[j].st[0]  = 0;
		verts[j].st[1]  = 1;
		verts[j].modulate[0] = color[0] * 255.0f;
		verts[j].modulate[1] = color[1] * 255.0f;
		verts[j].modulate[2] = color[2] * 255.0f;
		verts[j].modulate[3] = color[3] * 255.0f;
		j++;

		VectorCopy( end_points[i], verts[j].xyz );
		verts[j].st[0]  = 0;
		verts[j].st[1]  = 0;
		verts[j].modulate[0] = color[0] * 255.0f;
		verts[j].modulate[1] = color[1] * 255.0f;
		verts[j].modulate[2] = color[2] * 255.0f;
		verts[j].modulate[3] = endAlpha;
		j++;

		VectorCopy( end_points[i + 1], verts[j].xyz );
		verts[j].st[0]  = 1;
		verts[j].st[1]  = 0;
		verts[j].modulate[0] = color[0] * 255.0f;
		verts[j].modulate[1] = color[1] * 255.0f;
		verts[j].modulate[2] = color[2] * 255.0f;
		verts[j].modulate[3] = endAlpha;
		j++;

		VectorCopy( start_points[i + 1], verts[j].xyz );
		verts[j].st[0]  = 1;
		verts[j].st[1]  = 1;
		verts[j].modulate[0] = color[0] * 255.0f;
		verts[j].modulate[1] = color[1] * 255.0f;
		verts[j].modulate[2] = color[2] * 255.0f;
		verts[j].modulate[3] = color[3] * 255.0f;

		if ( capStart ) {
			VectorCopy( start_points[i], plugVerts[i].xyz );
			plugVerts[i].st[0]  = 0;
			plugVerts[i].st[1]  = 0;
			plugVerts[i].modulate[0] = color[0] * 255.0f;
			plugVerts[i].modulate[1] = color[1] * 255.0f;
			plugVerts[i].modulate[2] = color[2] * 255.0f;
			plugVerts[i].modulate[3] = color[3] * 255.0f;
		}
	}

	trap_R_AddPolysToScene( cgs.media.spotLightBeamShader, 4, &verts[0], segs );


	// plug up the start circle
	if ( capStart ) {
		trap_R_AddPolyToScene( cgs.media.spotLightBeamShader, segs, &plugVerts[0] );
	}


	// show the endpoint

	if ( !( flags & SL_NOIMPACT ) ) {
		if ( hitDist ) {
			VectorMA( startvec, hitDist, conevec, endvec );

			alpha = 0.3f;
			radius = coreEndRadius * ( hitDist / beamLen );

			VectorNegate( lightDir, proj );
			CG_ImpactMark( cgs.media.spotLightShader, tr.endpos, proj, 0, colorNorm[0], colorNorm[1], colorNorm[2], alpha, qfalse, radius, qtrue, -1 );
		}
	}



	// add d light at end
	if ( !( flags & SL_NODLIGHT ) ) {
		vec3_t dlightLoc;
//		VectorMA(tr.endpos, -60, lightDir, dlightLoc);	// back away from the hit
//		trap_R_AddLightToScene(dlightLoc, 200, colorNorm[0], colorNorm[1], colorNorm[2], 0);	// ,REF_JUNIOR_DLIGHT);
		VectorCopy( tr.endpos, dlightLoc );    // back away from the hit
//		trap_R_AddLightToScene(dlightLoc, radius*2, colorNorm[0], colorNorm[1], colorNorm[2], 0);	// ,REF_JUNIOR_DLIGHT);
		trap_R_AddLightToScene( dlightLoc, radius * 2, 0.3, 0.3, 0.3, 0 );  // ,REF_JUNIOR_DLIGHT);
	}



	// draw flare at source
	if ( !( flags & SL_NOFLARE ) ) {
		qboolean lightInEyes = qfalse;
		vec3_t camloc, dirtolight;
		float dot, deg, dist;
		float flarescale = 0.0;       // TTimo: might be used uninitialized

		// get camera position and direction to lightsource
		VectorCopy( cg.snap->ps.origin, camloc );
		camloc[2] += cg.snap->ps.viewheight;
		VectorSubtract( start, camloc, dirtolight );
		dist = VectorNormalize( dirtolight );

		// first use dot to determine if it's facing the camera
		dot = DotProduct( lightDir, dirtolight );

		// it's facing the camera, find out how closely and trace to see if the source can be seen

		deg = RAD2DEG( M_PI - acos( dot ) );
		if ( deg <= 35 ) { // start flare a bit before the camera gets inside the cylinder
			lightInEyes = qtrue;
			flarescale = 1 - ( deg / 35 );
		}

		if ( lightInEyes ) {   // the dot check succeeded, now do a trace
			CG_Trace( &tr, start, NULL, NULL, camloc, -1, MASK_ALL & ~( CONTENTS_MONSTERCLIP | CONTENTS_AREAPORTAL | CONTENTS_CLUSTERPORTAL ) );
			if ( tr.fraction != 1 ) {
				lightInEyes = qfalse;
			}

		}

		if ( lightInEyes ) {
			float coronasize = flarescale;
			if ( dist < 512 ) { // make even bigger if you're close enough
				coronasize *= ( 512.0f / dist );
			}

			trap_R_AddCoronaToScene( start, colorNorm[0], colorNorm[1], colorNorm[2], coronasize, cent->currentState.number, qtrue );
		} else {
			// even though it's off, still need to add it, but turned off so it can fade in/out properly
			trap_R_AddCoronaToScene( start, colorNorm[0], colorNorm[1], colorNorm[2], 0, cent->currentState.number, qfalse );
		}
	}

}



/*
==============
CG_RumbleEfx
==============
*/
void CG_RumbleEfx( float pitch, float yaw ) {
	float pitchRecoilAdd, pitchAdd;
	float yawRandom;
	vec3_t recoil;

	if ( pitch < 1 ) {
		pitch = 1;
	}

	pitchRecoilAdd = pow( random(),8 ) * ( 10 + VectorLength( cg.snap->ps.velocity ) / 5 );
	pitchAdd = ( rand() % (int)pitch ) - ( pitch * 0.5 ); //5
	yawRandom = yaw; //2

	pitchRecoilAdd *= 0.5;
	pitchAdd *= 0.5;
	yawRandom *= 0.5;

	// calc the recoil
	recoil[YAW] = crandom() * yawRandom;
	recoil[ROLL] = -recoil[YAW];    // why not
	recoil[PITCH] = -pitchAdd;
	// scale it up a bit (easier to modify this while tweaking)
	VectorScale( recoil, 30, recoil );
	// set the recoil
	VectorCopy( recoil, cg.kickAVel );
	// set the recoil
	cg.recoilPitch -= pitchRecoilAdd;
}

