/*
cl_tent.c - temp entity effects management
Copyright (C) 2009 Uncle Mike

This program 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.

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.  See the
GNU General Public License for more details.
*/

#include "common.h"
#include "client.h"
#include "r_efx.h"
#include "entity_types.h"
#include "triangleapi.h"
#include "cl_tent.h"
#include "pm_local.h"
#include "studio.h"
#include "wadfile.h"	// acess decal size
#include "sound.h"

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

TEMPENTS MANAGEMENT

==============================================================
*/
#define FLASHLIGHT_DISTANCE		2000	// in units
#define SHARD_VOLUME		12.0f	// on shard ever n^3 units
#define MAX_MUZZLEFLASH		3

TEMPENTITY	*cl_active_tents;
TEMPENTITY	*cl_free_tents;
TEMPENTITY	*cl_tempents = NULL;		// entities pool

model_t		*cl_sprite_muzzleflash[MAX_MUZZLEFLASH];	// muzzle flashes
model_t		*cl_sprite_dot = NULL;
model_t		*cl_sprite_ricochet = NULL;
model_t		*cl_sprite_shell = NULL;
model_t		*cl_sprite_glow = NULL;

const char *cl_default_sprites[] =
{
	// built-in sprites
	"sprites/muzzleflash1.spr",
	"sprites/muzzleflash2.spr",
	"sprites/muzzleflash3.spr",
	"sprites/dot.spr",
	"sprites/animglow01.spr",
	"sprites/richo1.spr",
	"sprites/shellchrome.spr",
};

const char *cl_player_shell_sounds[] =
{
	"player/pl_shell1.wav",
	"player/pl_shell2.wav",
	"player/pl_shell3.wav",
};

const char *cl_weapon_shell_sounds[] =
{
	"weapons/sshell1.wav",
	"weapons/sshell2.wav",
	"weapons/sshell3.wav",
};

const char *cl_ricochet_sounds[] =
{
	"weapons/ric1.wav",
	"weapons/ric2.wav",
	"weapons/ric3.wav",
	"weapons/ric4.wav",
	"weapons/ric5.wav",
};

const char *cl_explode_sounds[] =
{
	"weapons/explode3.wav",
	"weapons/explode4.wav",
	"weapons/explode5.wav",
};

/*
================
CL_LoadClientSprites

INTERNAL RESOURCE
================
*/
void CL_LoadClientSprites( void )
{
	cl_sprite_muzzleflash[0] = CL_LoadClientSprite( cl_default_sprites[0] );
	cl_sprite_muzzleflash[1] = CL_LoadClientSprite( cl_default_sprites[1] );
	cl_sprite_muzzleflash[2] = CL_LoadClientSprite( cl_default_sprites[2] );

	cl_sprite_dot = CL_LoadClientSprite( cl_default_sprites[3] );
	cl_sprite_glow = CL_LoadClientSprite( cl_default_sprites[4] );
	cl_sprite_ricochet = CL_LoadClientSprite( cl_default_sprites[5] );
	cl_sprite_shell = CL_LoadClientSprite( cl_default_sprites[6] );
}

/*
================
CL_AddClientResource

add client-side resource to list
================
*/
void CL_AddClientResource( const char *filename, int type )
{
	resource_t	*p, *pResource;

	for( p = cl.resourcesneeded.pNext; p != &cl.resourcesneeded; p = p->pNext )
	{
		if( !Q_stricmp( p->szFileName, filename ))
			break;
	}

	if( p != &cl.resourcesneeded )
		return; // already in list?

	pResource = Mem_Calloc( cls.mempool, sizeof( resource_t ));

	Q_strncpy( pResource->szFileName, filename, sizeof( pResource->szFileName ));
	pResource->type = type;
	pResource->nIndex = -1; // client resource marker
	pResource->nDownloadSize = 1;
	pResource->ucFlags |= RES_WASMISSING;

	CL_AddToResourceList( pResource, &cl.resourcesneeded );
}

/*
================
CL_AddClientResources

client resources not precached by server
================
*/
void CL_AddClientResources( void )
{
	char	filepath[MAX_QPATH];
	int	i;

	// don't request resources from localhost or in quake-compatibility mode
	if( cl.maxclients <= 1 || Host_IsQuakeCompatible( ))
		return;

	// check sprites first
	for( i = 0; i < ARRAYSIZE( cl_default_sprites ); i++ )
	{
		if( !FS_FileExists( cl_default_sprites[i], false ))
			CL_AddClientResource( cl_default_sprites[i], t_model );
	}

	// then check sounds
	for( i = 0; i < ARRAYSIZE( cl_player_shell_sounds ); i++ )
	{
		Q_snprintf( filepath, sizeof( filepath ), DEFAULT_SOUNDPATH "%s", cl_player_shell_sounds[i] );

		if( !FS_FileExists( filepath, false ))
			CL_AddClientResource( cl_player_shell_sounds[i], t_sound );
	}

	for( i = 0; i < ARRAYSIZE( cl_weapon_shell_sounds ); i++ )
	{
		Q_snprintf( filepath, sizeof( filepath ), DEFAULT_SOUNDPATH "%s", cl_weapon_shell_sounds[i] );

		if( !FS_FileExists( filepath, false ))
			CL_AddClientResource( cl_weapon_shell_sounds[i], t_sound );
	}

	for( i = 0; i < ARRAYSIZE( cl_explode_sounds ); i++ )
	{
		Q_snprintf( filepath, sizeof( filepath ), DEFAULT_SOUNDPATH "%s", cl_explode_sounds[i] );

		if( !FS_FileExists( filepath, false ))
			CL_AddClientResource( cl_explode_sounds[i], t_sound );
	}

#if 0	// ric sounds was precached by server-side
	for( i = 0; i < ARRAYSIZE( cl_ricochet_sounds ); i++ )
	{
		Q_snprintf( filepath, sizeof( filepath ), DEFAULT_SOUNDPATH "%s", cl_ricochet_sounds[i] );

		if( !FS_FileExists( filepath, false ))
			CL_AddClientResource( cl_ricochet_sounds[i], t_sound );
	}
#endif
}


/*
================
CL_InitTempents

================
*/
void CL_InitTempEnts( void )
{
	cl_tempents = Mem_Calloc( cls.mempool, sizeof( TEMPENTITY ) * GI->max_tents );
	CL_ClearTempEnts();

	// load tempent sprites (glowshell, muzzleflashes etc)
	CL_LoadClientSprites ();
}

/*
================
CL_ClearTempEnts

================
*/
void CL_ClearTempEnts( void )
{
	int	i;

	if( !cl_tempents ) return;

	for( i = 0; i < GI->max_tents - 1; i++ )
	{
		cl_tempents[i].next = &cl_tempents[i+1];
		cl_tempents[i].entity.trivial_accept = INVALID_HANDLE;
	}

	cl_tempents[GI->max_tents-1].next = NULL;
	cl_free_tents = cl_tempents;
	cl_active_tents = NULL;
}

/*
================
CL_FreeTempEnts

================
*/
void CL_FreeTempEnts( void )
{
	if( cl_tempents )
		Mem_Free( cl_tempents );
	cl_tempents = NULL;
}

/*
==============
CL_PrepareTEnt

set default values
==============
*/
void CL_PrepareTEnt( TEMPENTITY *pTemp, model_t *pmodel )
{
	int	frameCount = 0;
	int	modelIndex = 0;
	int	modelHandle = pTemp->entity.trivial_accept;

	memset( pTemp, 0, sizeof( *pTemp ));

	// use these to set per-frame and termination conditions / actions
	pTemp->entity.trivial_accept = modelHandle; // keep unchanged
	pTemp->flags = FTENT_NONE;
	pTemp->die = cl.time + 0.75f;

	if( pmodel ) frameCount = pmodel->numframes;
	else pTemp->flags |= FTENT_NOMODEL;

	pTemp->entity.curstate.modelindex = modelIndex;
	pTemp->entity.curstate.rendermode = kRenderNormal;
	pTemp->entity.curstate.renderfx = kRenderFxNone;
	pTemp->entity.curstate.rendercolor.r = 255;
	pTemp->entity.curstate.rendercolor.g = 255;
	pTemp->entity.curstate.rendercolor.b = 255;
	pTemp->frameMax = Q_max( 0, frameCount - 1 );
	pTemp->entity.curstate.renderamt = 255;
	pTemp->entity.curstate.body = 0;
	pTemp->entity.curstate.skin = 0;
	pTemp->entity.model = pmodel;
	pTemp->fadeSpeed = 0.5f;
	pTemp->hitSound = 0;
	pTemp->clientIndex = 0;
	pTemp->bounceFactor = 1;
	pTemp->entity.curstate.scale = 1.0f;
}

/*
==============
CL_TempEntPlaySound

play collide sound
==============
*/
void CL_TempEntPlaySound( TEMPENTITY *pTemp, float damp )
{
	float	fvol;
	char	soundname[32];
	qboolean	isshellcasing = false;
	int	zvel;

	Assert( pTemp != NULL );

	fvol = 0.8f;

	switch( pTemp->hitSound )
	{
	case BOUNCE_GLASS:
		Q_snprintf( soundname, sizeof( soundname ), "debris/glass%i.wav", COM_RandomLong( 1, 4 ));
		break;
	case BOUNCE_METAL:
		Q_snprintf( soundname, sizeof( soundname ), "debris/metal%i.wav", COM_RandomLong( 1, 6 ));
		break;
	case BOUNCE_FLESH:
		Q_snprintf( soundname, sizeof( soundname ), "debris/flesh%i.wav", COM_RandomLong( 1, 7 ));
		break;
	case BOUNCE_WOOD:
		Q_snprintf( soundname, sizeof( soundname ), "debris/wood%i.wav", COM_RandomLong( 1, 4 ));
		break;
	case BOUNCE_SHRAP:
		Q_strncpy( soundname, cl_ricochet_sounds[COM_RandomLong( 0, 4 )], sizeof( soundname ) );
		break;
	case BOUNCE_SHOTSHELL:
		Q_strncpy( soundname, cl_weapon_shell_sounds[COM_RandomLong( 0, 2 )], sizeof( soundname ) );
		isshellcasing = true; // shell casings have different playback parameters
		fvol = 0.5f;
		break;
	case BOUNCE_SHELL:
		Q_strncpy( soundname, cl_player_shell_sounds[COM_RandomLong( 0, 2 )], sizeof( soundname ) );
		isshellcasing = true; // shell casings have different playback parameters
		break;
	case BOUNCE_CONCRETE:
		Q_snprintf( soundname, sizeof( soundname ), "debris/concrete%i.wav", COM_RandomLong( 1, 3 ));
		break;
	default:	// null sound
		return;
	}

	zvel = abs( pTemp->entity.baseline.origin[2] );

	// only play one out of every n
	if( isshellcasing )
	{
		// play first bounce, then 1 out of 3
		if( zvel < 200 && COM_RandomLong( 0, 3 ))
			return;
	}
	else
	{
		if( COM_RandomLong( 0, 5 ))
			return;
	}

	if( damp > 0.0f )
	{
		int	pitch;
		sound_t	handle;

		if( isshellcasing )
			fvol *= min ( 1.0f, ((float)zvel) / 350.0f );
		else fvol *= min ( 1.0f, ((float)zvel) / 450.0f );

		if( !COM_RandomLong( 0, 3 ) && !isshellcasing )
			pitch = COM_RandomLong( 95, 105 );
		else pitch = PITCH_NORM;

		handle = S_RegisterSound( soundname );
		S_StartSound( pTemp->entity.origin, -(pTemp - cl_tempents), CHAN_BODY, handle, fvol, ATTN_NORM, pitch, SND_STOP_LOOPING );
	}
}

/*
==============
CL_TEntAddEntity

add entity to renderlist
==============
*/
int CL_TempEntAddEntity( cl_entity_t *pEntity )
{
	vec3_t mins, maxs;

	Assert( pEntity != NULL );

	if( !pEntity->model )
		return 0;

	VectorAdd( pEntity->origin, pEntity->model->mins, mins );
	VectorAdd( pEntity->origin, pEntity->model->maxs, maxs );

	// g-cont. just use PVS from previous frame
	if( TriBoxInPVS( mins, maxs ))
	{
		VectorCopy( pEntity->angles, pEntity->curstate.angles );
		VectorCopy( pEntity->origin, pEntity->curstate.origin );
		VectorCopy( pEntity->angles, pEntity->latched.prevangles );
		VectorCopy( pEntity->origin, pEntity->latched.prevorigin );

		// add to list
		CL_AddVisibleEntity( pEntity, ET_TEMPENTITY );

		return 1;
	}

	return 0;
}

/*
==============
CL_AddTempEnts

temp-entities will be added on a user-side
setup client callback
==============
*/
void CL_TempEntUpdate( void )
{
	double	ft = cl.time - cl.oldtime;
	float	gravity = clgame.movevars.gravity;

	clgame.dllFuncs.pfnTempEntUpdate( ft, cl.time, gravity, &cl_free_tents, &cl_active_tents, CL_TempEntAddEntity, CL_TempEntPlaySound );
}

/*
==============
CL_TEntAddEntity

free the first low priority tempent it finds.
==============
*/
qboolean CL_FreeLowPriorityTempEnt( void )
{
	TEMPENTITY	*pActive = cl_active_tents;
	TEMPENTITY	*pPrev = NULL;

	while( pActive )
	{
		if( pActive->priority == TENTPRIORITY_LOW )
		{
			// remove from the active list.
			if( pPrev ) pPrev->next = pActive->next;
			else cl_active_tents = pActive->next;

			// add to the free list.
			pActive->next = cl_free_tents;
			cl_free_tents = pActive;

			return true;
		}

		pPrev = pActive;
		pActive = pActive->next;
	}

	return false;
}

/*
==============
CL_TempEntAlloc

alloc normal\low priority tempentity
==============
*/
TEMPENTITY *CL_TempEntAlloc( const vec3_t org, model_t *pmodel )
{
	TEMPENTITY	*pTemp;

	if( !cl_free_tents )
	{
		Con_DPrintf( "Overflow %d temporary ents!\n", GI->max_tents );
		return NULL;
	}

	pTemp = cl_free_tents;
	cl_free_tents = pTemp->next;

	CL_PrepareTEnt( pTemp, pmodel );

	pTemp->priority = TENTPRIORITY_LOW;
	if( org ) VectorCopy( org, pTemp->entity.origin );

	pTemp->next = cl_active_tents;
	cl_active_tents = pTemp;

	return pTemp;
}

/*
==============
CL_TempEntAllocHigh

alloc high priority tempentity
==============
*/
TEMPENTITY *CL_TempEntAllocHigh( const vec3_t org, model_t *pmodel )
{
	TEMPENTITY	*pTemp;

	if( !cl_free_tents )
	{
		// no temporary ents free, so find the first active low-priority temp ent
		// and overwrite it.
		CL_FreeLowPriorityTempEnt();
	}

	if( !cl_free_tents )
	{
		// didn't find anything? The tent list is either full of high-priority tents
		// or all tents in the list are still due to live for > 10 seconds.
		Con_DPrintf( "Couldn't alloc a high priority TENT!\n" );
		return NULL;
	}

	// Move out of the free list and into the active list.
	pTemp = cl_free_tents;
	cl_free_tents = pTemp->next;

	CL_PrepareTEnt( pTemp, pmodel );

	pTemp->priority = TENTPRIORITY_HIGH;
	if( org ) VectorCopy( org, pTemp->entity.origin );

	pTemp->next = cl_active_tents;
	cl_active_tents = pTemp;

	return pTemp;
}

/*
==============
CL_TempEntAlloc

alloc normal priority tempentity with no model
==============
*/
TEMPENTITY *CL_TempEntAllocNoModel( const vec3_t org )
{
	return CL_TempEntAlloc( org, NULL );
}

/*
==============
CL_TempEntAlloc

custom tempentity allocation
==============
*/
TEMPENTITY * GAME_EXPORT CL_TempEntAllocCustom( const vec3_t org, model_t *model, int high, void (*pfn)( TEMPENTITY*, float, float ))
{
	TEMPENTITY	*pTemp;

	if( high )
	{
		pTemp = CL_TempEntAllocHigh( org, model );
	}
	else
	{
		pTemp = CL_TempEntAlloc( org, model );
	}

	if( pTemp && pfn )
	{
		pTemp->flags |= FTENT_CLIENTCUSTOM;
		pTemp->callback = pfn;
		pTemp->die = cl.time;
	}

	return pTemp;
}

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

	EFFECTS BASED ON TEMPENTS (presets)

==============================================================
*/
/*
==============
R_FizzEffect

Create a fizz effect
==============
*/
void GAME_EXPORT R_FizzEffect( cl_entity_t *pent, int modelIndex, int density )
{
	TEMPENTITY	*pTemp;
	int		i, width, depth, count;
	float		angle, maxHeight, speed;
	float		xspeed, yspeed, zspeed;
	vec3_t		origin;
	model_t		*mod;

	if( !pent || pent->curstate.modelindex <= 0 )
		return;

	if(( mod = CL_ModelHandle( pent->curstate.modelindex )) == NULL )
		return;

	count = density + 1;
	density = count * 3 + 6;
	maxHeight = mod->maxs[2] - mod->mins[2];
	width = mod->maxs[0] - mod->mins[0];
	depth = mod->maxs[1] - mod->mins[1];

	speed = ( pent->curstate.rendercolor.r<<8 | pent->curstate.rendercolor.g );
	if( pent->curstate.rendercolor.b )
		speed = -speed;

	angle = DEG2RAD( pent->angles[YAW] );
	SinCos( angle, &yspeed, &xspeed );

	xspeed *= speed;
	yspeed *= speed;

	for( i = 0; i < count; i++ )
	{
		origin[0] = mod->mins[0] + COM_RandomLong( 0, width - 1 );
		origin[1] = mod->mins[1] + COM_RandomLong( 0, depth - 1 );
		origin[2] = mod->mins[2];
		pTemp = CL_TempEntAlloc( origin, CL_ModelHandle( modelIndex ));

		if ( !pTemp ) return;

		pTemp->flags |= FTENT_SINEWAVE;

		pTemp->x = origin[0];
		pTemp->y = origin[1];

		zspeed = COM_RandomLong( 80, 140 );
		VectorSet( pTemp->entity.baseline.origin, xspeed, yspeed, zspeed );
		pTemp->die = cl.time + ( maxHeight / zspeed ) - 0.1f;
		pTemp->entity.curstate.frame = COM_RandomLong( 0, pTemp->frameMax );
		// Set sprite scale
		pTemp->entity.curstate.scale = 1.0f / COM_RandomFloat( 2.0f, 5.0f );
		pTemp->entity.curstate.rendermode = kRenderTransAlpha;
		pTemp->entity.curstate.renderamt = 255;
	}
}

/*
==============
R_Bubbles

Create bubbles
==============
*/
void GAME_EXPORT R_Bubbles( const vec3_t mins, const vec3_t maxs, float height, int modelIndex, int count, float speed )
{
	TEMPENTITY	*pTemp;
	float		sine, cosine;
	float		angle, zspeed;
	vec3_t		origin;
	model_t		*mod;
	int		i;

	if(( mod = CL_ModelHandle( modelIndex )) == NULL )
		return;

	for ( i = 0; i < count; i++ )
	{
		origin[0] = COM_RandomLong( mins[0], maxs[0] );
		origin[1] = COM_RandomLong( mins[1], maxs[1] );
		origin[2] = COM_RandomLong( mins[2], maxs[2] );
		pTemp = CL_TempEntAlloc( origin, mod );
		if( !pTemp ) return;

		pTemp->flags |= FTENT_SINEWAVE;

		pTemp->x = origin[0];
		pTemp->y = origin[1];
		angle = COM_RandomFloat( -M_PI, M_PI );
		SinCos( angle, &sine, &cosine );

		zspeed = COM_RandomLong( 80, 140 );
		VectorSet( pTemp->entity.baseline.origin, speed * cosine, speed * sine, zspeed );
		pTemp->die = cl.time + ((height - (origin[2] - mins[2])) / zspeed) - 0.1f;
		pTemp->entity.curstate.frame = COM_RandomLong( 0, pTemp->frameMax );

		// Set sprite scale
		pTemp->entity.curstate.scale = 1.0f / COM_RandomFloat( 2.0f, 5.0f );
		pTemp->entity.curstate.rendermode = kRenderTransAlpha;
		pTemp->entity.curstate.renderamt = 255;
	}
}

/*
==============
R_BubbleTrail

Create bubble trail
==============
*/
void GAME_EXPORT R_BubbleTrail( const vec3_t start, const vec3_t end, float height, int modelIndex, int count, float speed )
{
	TEMPENTITY	*pTemp;
	float		sine, cosine, zspeed;
	float		dist, angle;
	vec3_t		origin;
	model_t		*mod;
	int		i;

	if(( mod = CL_ModelHandle( modelIndex )) == NULL )
		return;

	for( i = 0; i < count; i++ )
	{
		dist = COM_RandomFloat( 0, 1.0 );
		VectorLerp( start, dist, end, origin );
		pTemp = CL_TempEntAlloc( origin, mod );
		if( !pTemp ) return;

		pTemp->flags |= FTENT_SINEWAVE;

		pTemp->x = origin[0];
		pTemp->y = origin[1];
		angle = COM_RandomFloat( -M_PI, M_PI );
		SinCos( angle, &sine, &cosine );

		zspeed = COM_RandomLong( 80, 140 );
		VectorSet( pTemp->entity.baseline.origin, speed * cosine, speed * sine, zspeed );
		pTemp->die = cl.time + ((height - (origin[2] - start[2])) / zspeed) - 0.1f;
		pTemp->entity.curstate.frame = COM_RandomLong( 0, pTemp->frameMax );

		// Set sprite scale
		pTemp->entity.curstate.scale = 1.0f / COM_RandomFloat( 2.0f, 5.0f );
		pTemp->entity.curstate.rendermode = kRenderTransAlpha;
		pTemp->entity.curstate.renderamt = 255;
	}
}

/*
==============
R_AttachTentToPlayer

Attaches entity to player
==============
*/
void GAME_EXPORT R_AttachTentToPlayer( int client, int modelIndex, float zoffset, float life )
{
	TEMPENTITY	*pTemp;
	vec3_t		position;
	cl_entity_t	*pClient;
	model_t		*pModel;

	if( client <= 0 || client > cl.maxclients )
		return;

	pClient = CL_GetEntityByIndex( client );

	if( !pClient || pClient->curstate.messagenum != cl.parsecount )
		return;

	if(( pModel = CL_ModelHandle( modelIndex )) == NULL )
		return;

	VectorCopy( pClient->origin, position );
	position[2] += zoffset;

	pTemp = CL_TempEntAllocHigh( position, pModel );
	if( !pTemp ) return;

	pTemp->entity.curstate.renderfx = kRenderFxNoDissipation;
	pTemp->entity.curstate.framerate = 1;

	pTemp->clientIndex = client;
	pTemp->tentOffset[0] = 0;
	pTemp->tentOffset[1] = 0;
	pTemp->tentOffset[2] = zoffset;
	pTemp->die = cl.time + life;
	pTemp->flags |= FTENT_PLYRATTACHMENT|FTENT_PERSIST;

	// is the model a sprite?
	if( pModel->type == mod_sprite )
	{
		pTemp->flags |= FTENT_SPRANIMATE|FTENT_SPRANIMATELOOP;
		pTemp->entity.curstate.framerate = 10;
	}
	else
	{
		// no animation support for attached clientside studio models.
		pTemp->frameMax = 0;
	}

	pTemp->entity.curstate.frame = 0;
}

/*
==============
R_KillAttachedTents

Detach entity from player
==============
*/
void GAME_EXPORT R_KillAttachedTents( int client )
{
	int	i;

	if( client <= 0 || client > cl.maxclients )
		return;

	for( i = 0; i < GI->max_tents; i++ )
	{
		TEMPENTITY *pTemp = &cl_tempents[i];

		if( !FBitSet( pTemp->flags, FTENT_PLYRATTACHMENT ))
			continue;

		// this TEMPENTITY is player attached.
		// if it is attached to this client, set it to die instantly.
		if( pTemp->clientIndex == client )
		{
			// good enough, it will die on next tent update.
			pTemp->die = cl.time;
		}
	}
}

/*
==============
R_RicochetSprite

Create ricochet sprite
==============
*/
void GAME_EXPORT R_RicochetSprite( const vec3_t pos, model_t *pmodel, float duration, float scale )
{
	TEMPENTITY	*pTemp;

	pTemp = CL_TempEntAlloc( pos, pmodel );
	if( !pTemp ) return;

	pTemp->entity.curstate.rendermode = kRenderGlow;
	pTemp->entity.curstate.renderamt = pTemp->entity.baseline.renderamt = 200;
	pTemp->entity.curstate.renderfx = kRenderFxNoDissipation;
	pTemp->entity.curstate.scale = scale;
	pTemp->die = cl.time + duration;
	pTemp->flags = FTENT_FADEOUT;
	pTemp->fadeSpeed = 8;

	pTemp->entity.curstate.frame = 0;
	pTemp->entity.angles[ROLL] = 45.0f * COM_RandomLong( 0, 7 );
}

/*
==============
R_RocketFlare

Create rocket flare
==============
*/
void GAME_EXPORT R_RocketFlare( const vec3_t pos )
{
	TEMPENTITY	*pTemp;

	if( !cl_sprite_glow ) return;

	pTemp = CL_TempEntAlloc( pos, cl_sprite_glow );
	if ( !pTemp ) return;

	pTemp->entity.curstate.rendermode = kRenderGlow;
	pTemp->entity.curstate.renderfx = kRenderFxNoDissipation;
	pTemp->entity.curstate.renderamt = 200;
	pTemp->entity.curstate.framerate = 1.0;
	pTemp->entity.curstate.frame = COM_RandomLong( 0, pTemp->frameMax );
	pTemp->entity.curstate.scale = 1.0;
	pTemp->die = cl.time + 0.01f;	// when 100 fps die at next frame
	pTemp->entity.curstate.effects = EF_NOINTERP;
}

/*
==============
R_MuzzleFlash

Do muzzleflash
==============
*/
void GAME_EXPORT R_MuzzleFlash( const vec3_t pos, int type )
{
	TEMPENTITY	*pTemp;
	int		index;
	float		scale;

	index = ( type % 10 ) % MAX_MUZZLEFLASH;
	scale = ( type / 10 ) * 0.1f;
	if( scale == 0.0f ) scale = 0.5f;

	if( !cl_sprite_muzzleflash[index] )
		return;

	// must set position for right culling on render
	pTemp = CL_TempEntAllocHigh( pos, cl_sprite_muzzleflash[index] );
	if( !pTemp ) return;
	pTemp->entity.curstate.rendermode = kRenderTransAdd;
	pTemp->entity.curstate.renderamt = 255;
	pTemp->entity.curstate.framerate = 10;
	pTemp->entity.curstate.renderfx = 0;
	pTemp->die = cl.time + 0.01; // die at next frame
	pTemp->entity.curstate.frame = COM_RandomLong( 0, pTemp->frameMax );
	pTemp->flags |= FTENT_SPRANIMATE|FTENT_SPRANIMATELOOP;
	pTemp->entity.curstate.scale = scale;

	if( index == 0 ) pTemp->entity.angles[2] = COM_RandomLong( 0, 20 ); // rifle flash
	else pTemp->entity.angles[2] = COM_RandomLong( 0, 359 );

	CL_TempEntAddEntity( &pTemp->entity );
}

/*
==============
R_BloodSprite

Create a high priority blood sprite
and some blood drops. This is high-priority tent
==============
*/
void GAME_EXPORT R_BloodSprite( const vec3_t org, int colorIndex, int modelIndex, int modelIndex2, float size )
{
	model_t		*pModel, *pModel2;
	int		impactindex;
	int		spatterindex;
	int		i, splatter;
	TEMPENTITY	*pTemp;
	vec3_t		pos;

	colorIndex += COM_RandomLong( 1, 3 );
	impactindex = colorIndex;
	spatterindex = colorIndex - 1;

	// validate the model first
	if(( pModel = CL_ModelHandle( modelIndex )) != NULL )
	{
		VectorCopy( org, pos );
		pos[2] += COM_RandomFloat( 2.0f, 4.0f ); // make offset from ground (snarks issues)

		// large, single blood sprite is a high-priority tent
		if(( pTemp = CL_TempEntAllocHigh( pos, pModel )) != NULL )
		{
			pTemp->entity.curstate.rendermode = kRenderTransTexture;
			pTemp->entity.curstate.renderfx = kRenderFxClampMinScale;
			pTemp->entity.curstate.scale = COM_RandomFloat( size / 25.0f, size / 35.0f );
			pTemp->flags = FTENT_SPRANIMATE;

			pTemp->entity.curstate.rendercolor = clgame.palette[impactindex];
			pTemp->entity.baseline.renderamt = pTemp->entity.curstate.renderamt = 250;

			pTemp->entity.curstate.framerate = pTemp->frameMax * 4.0f; // Finish in 0.250 seconds
			pTemp->die = cl.time + (pTemp->frameMax / pTemp->entity.curstate.framerate ); // play the whole thing once

			pTemp->entity.curstate.frame = 0;
			pTemp->bounceFactor = 0;
			pTemp->entity.angles[2] = COM_RandomLong( 0, 360 );
		}
	}

	// validate the model first
	if(( pModel2 = CL_ModelHandle( modelIndex2 )) != NULL )
	{
		splatter = size + ( COM_RandomLong( 1, 8 ) + COM_RandomLong( 1, 8 ));

		for( i = 0; i < splatter; i++ )
		{
			// create blood drips
			if(( pTemp = CL_TempEntAlloc( org, pModel2 )) != NULL )
			{
				pTemp->entity.curstate.rendermode = kRenderTransTexture;
				pTemp->entity.curstate.renderfx = kRenderFxClampMinScale;
				pTemp->entity.curstate.scale = COM_RandomFloat( size / 15.0f, size / 25.0f );
				pTemp->flags = FTENT_ROTATE | FTENT_SLOWGRAVITY | FTENT_COLLIDEWORLD;

				pTemp->entity.curstate.rendercolor = clgame.palette[spatterindex];
				pTemp->entity.baseline.renderamt = pTemp->entity.curstate.renderamt = 250;

				pTemp->entity.baseline.origin[0] = COM_RandomFloat( -96.0f, 95.0f );
				pTemp->entity.baseline.origin[1] = COM_RandomFloat( -96.0f, 95.0f );
				pTemp->entity.baseline.origin[2] = COM_RandomFloat( -32.0f, 95.0f );
				pTemp->entity.baseline.angles[0] = COM_RandomFloat( -256.0f, -255.0f );
				pTemp->entity.baseline.angles[1] = COM_RandomFloat( -256.0f, -255.0f );
				pTemp->entity.baseline.angles[2] = COM_RandomFloat( -256.0f, -255.0f );

				pTemp->die = cl.time + COM_RandomFloat( 1.0f, 3.0f );

				pTemp->entity.curstate.frame = COM_RandomLong( 1, pTemp->frameMax );

				if( pTemp->entity.curstate.frame > 8.0f )
					pTemp->entity.curstate.frame = pTemp->frameMax;

				pTemp->entity.baseline.origin[2] += COM_RandomFloat( 4.0f, 16.0f ) * size;
				pTemp->entity.angles[2] = COM_RandomFloat( 0.0f, 360.0f );
				pTemp->bounceFactor	= 0.0f;
			}
		}
	}
}

/*
==============
R_BreakModel

Create a shards
==============
*/
void GAME_EXPORT R_BreakModel( const vec3_t pos, const vec3_t size, const vec3_t dir, float random, float life, int count, int modelIndex, char flags )
{
	TEMPENTITY	*pTemp;
	model_t		*pmodel;
	char		type;
	int		i, j;

	if(( pmodel = CL_ModelHandle( modelIndex )) == NULL )
		return;

	type = flags & BREAK_TYPEMASK;

	if( count == 0 )
	{
		// assume surface (not volume)
		count = (size[0] * size[1] + size[1] * size[2] + size[2] * size[0]) / (3 * SHARD_VOLUME * SHARD_VOLUME);
	}

	// limit to 100 pieces
	if( count > 100 ) count = 100;

	for( i = 0; i < count; i++ )
	{
		vec3_t	vecSpot;

		for( j = 0; j < 32; j++ )
		{
			// fill up the box with stuff
			vecSpot[0] = pos[0] + COM_RandomFloat( -0.5f, 0.5f ) * size[0];
			vecSpot[1] = pos[1] + COM_RandomFloat( -0.5f, 0.5f ) * size[1];
			vecSpot[2] = pos[2] + COM_RandomFloat( -0.5f, 0.5f ) * size[2];

			if( CL_PointContents( vecSpot ) != CONTENTS_SOLID )
				break; // valid spot
		}

		if( j == 32 ) continue; // a piece completely stuck in the wall, ignore it

		pTemp = CL_TempEntAlloc( vecSpot, pmodel );
		if( !pTemp ) return;

		// keep track of break_type, so we know how to play sound on collision
		pTemp->hitSound = type;

		if( pmodel->type == mod_sprite )
			pTemp->entity.curstate.frame = COM_RandomLong( 0, pTemp->frameMax );
		else if( pmodel->type == mod_studio )
			pTemp->entity.curstate.body = COM_RandomLong( 0, pTemp->frameMax );

		pTemp->flags |= FTENT_COLLIDEWORLD | FTENT_FADEOUT | FTENT_SLOWGRAVITY;

		if( COM_RandomLong( 0, 255 ) < 200 )
		{
			pTemp->flags |= FTENT_ROTATE;
			pTemp->entity.baseline.angles[0] = COM_RandomFloat( -256, 255 );
			pTemp->entity.baseline.angles[1] = COM_RandomFloat( -256, 255 );
			pTemp->entity.baseline.angles[2] = COM_RandomFloat( -256, 255 );
		}

		if (( COM_RandomLong( 0, 255 ) < 100 ) && FBitSet( flags, BREAK_SMOKE ))
			pTemp->flags |= FTENT_SMOKETRAIL;

		if(( type == BREAK_GLASS ) || FBitSet( flags, BREAK_TRANS ))
		{
			pTemp->entity.curstate.rendermode = kRenderTransTexture;
			pTemp->entity.curstate.renderamt = pTemp->entity.baseline.renderamt = 128;
		}
		else
		{
			pTemp->entity.curstate.rendermode = kRenderNormal;
			pTemp->entity.curstate.renderamt = pTemp->entity.baseline.renderamt = 255; // set this for fadeout
		}

		pTemp->entity.baseline.origin[0] = dir[0] + COM_RandomFloat( -random, random );
		pTemp->entity.baseline.origin[1] = dir[1] + COM_RandomFloat( -random, random );
		pTemp->entity.baseline.origin[2] = dir[2] + COM_RandomFloat( 0, random );

		pTemp->die = cl.time + life + COM_RandomFloat( 0.0f, 1.0f ); // Add an extra 0-1 secs of life
	}
}

/*
==============
R_TempModel

Create a temp model with gravity, sounds and fadeout
==============
*/
TEMPENTITY *R_TempModel( const vec3_t pos, const vec3_t dir, const vec3_t angles, float life, int modelIndex, int soundtype )
{
	// alloc a new tempent
	TEMPENTITY	*pTemp;
	model_t		*pmodel;

	if(( pmodel = CL_ModelHandle( modelIndex )) == NULL )
		return NULL;

	pTemp = CL_TempEntAlloc( pos, pmodel );
	if( !pTemp ) return NULL;

	pTemp->flags = (FTENT_COLLIDEWORLD|FTENT_GRAVITY);
	VectorCopy( dir, pTemp->entity.baseline.origin );
	VectorCopy( angles, pTemp->entity.angles );

	// keep track of shell type
	switch( soundtype )
	{
	case TE_BOUNCE_SHELL:
		pTemp->hitSound = BOUNCE_SHELL;
		pTemp->entity.baseline.angles[0] = COM_RandomFloat( -512, 511 );
		pTemp->entity.baseline.angles[1] = COM_RandomFloat( -255, 255 );
		pTemp->entity.baseline.angles[2] = COM_RandomFloat( -255, 255 );
		pTemp->flags |= FTENT_ROTATE;
		break;
	case TE_BOUNCE_SHOTSHELL:
		pTemp->hitSound = BOUNCE_SHOTSHELL;
		pTemp->entity.baseline.angles[0] = COM_RandomFloat( -512, 511 );
		pTemp->entity.baseline.angles[1] = COM_RandomFloat( -255, 255 );
		pTemp->entity.baseline.angles[2] = COM_RandomFloat( -255, 255 );
		pTemp->flags |= FTENT_ROTATE|FTENT_SLOWGRAVITY;
		break;
	}

	if( pmodel->type == mod_sprite )
		pTemp->entity.curstate.frame = COM_RandomLong( 0, pTemp->frameMax );
	else pTemp->entity.curstate.body = COM_RandomLong( 0, pTemp->frameMax );

	pTemp->die = cl.time + life;

	return pTemp;
}

/*
==============
R_DefaultSprite

Create an animated sprite
==============
*/
TEMPENTITY *R_DefaultSprite( const vec3_t pos, int spriteIndex, float framerate )
{
	TEMPENTITY	*pTemp;
	model_t		*psprite;

	// don't spawn while paused
	if( cl.time == cl.oldtime )
		return NULL;

	if(( psprite = CL_ModelHandle( spriteIndex )) == NULL || psprite->type != mod_sprite )
	{
		Con_Reportf( "No Sprite %d!\n", spriteIndex );
		return NULL;
	}

	pTemp = CL_TempEntAlloc( pos, psprite );
	if( !pTemp ) return NULL;

	pTemp->entity.curstate.scale = 1.0f;
	pTemp->flags |= FTENT_SPRANIMATE;
	if( framerate == 0 ) framerate = 10;

	pTemp->entity.curstate.framerate = framerate;
	pTemp->die = cl.time + (float)pTemp->frameMax / framerate;
	pTemp->entity.curstate.frame = 0;

	return pTemp;
}

/*
===============
R_SparkShower

Create an animated moving sprite
===============
*/
void GAME_EXPORT R_SparkShower( const vec3_t pos )
{
	TEMPENTITY	*pTemp;

	pTemp = CL_TempEntAllocNoModel( pos );
	if( !pTemp ) return;

	pTemp->entity.baseline.origin[0] = COM_RandomFloat( -300.0f, 300.0f );
	pTemp->entity.baseline.origin[1] = COM_RandomFloat( -300.0f, 300.0f );
	pTemp->entity.baseline.origin[2] = COM_RandomFloat( -200.0f, 200.0f );

	pTemp->flags |= FTENT_SLOWGRAVITY | FTENT_COLLIDEWORLD | FTENT_SPARKSHOWER;

	pTemp->entity.curstate.framerate = COM_RandomFloat( 0.5f, 1.5f );
	pTemp->entity.curstate.scale = cl.time;
	pTemp->die = cl.time + 0.5;
}

/*
===============
R_TempSprite

Create an animated moving sprite
===============
*/
TEMPENTITY *R_TempSprite( vec3_t pos, const vec3_t dir, float scale, int modelIndex, int rendermode, int renderfx, float a, float life, int flags )
{
	TEMPENTITY	*pTemp;
	model_t		*pmodel;

	if(( pmodel = CL_ModelHandle( modelIndex )) == NULL )
	{
		Con_Reportf( S_ERROR "No model %d!\n", modelIndex );
		return NULL;
	}

	pTemp = CL_TempEntAlloc( pos, pmodel );
	if( !pTemp ) return NULL;

	pTemp->entity.curstate.framerate = 10;
	pTemp->entity.curstate.rendermode = rendermode;
	pTemp->entity.curstate.renderfx = renderfx;
	pTemp->entity.curstate.scale = scale;
	pTemp->entity.baseline.renderamt = a * 255;
	pTemp->entity.curstate.renderamt = a * 255;
	pTemp->flags |= flags;

	VectorCopy( dir, pTemp->entity.baseline.origin );

	if( life ) pTemp->die = cl.time + life;
	else pTemp->die = cl.time + ( pTemp->frameMax * 0.1f ) + 1.0f;
	pTemp->entity.curstate.frame = 0;

	return pTemp;
}

/*
===============
R_Sprite_Explode

apply params for exploding sprite
===============
*/
void GAME_EXPORT R_Sprite_Explode( TEMPENTITY *pTemp, float scale, int flags )
{
	if( !pTemp ) return;

	if( FBitSet( flags, TE_EXPLFLAG_NOADDITIVE ))
	{
		// solid sprite
		pTemp->entity.curstate.rendermode = kRenderNormal;
		pTemp->entity.curstate.renderamt = 255;
	}
	else if( FBitSet( flags, TE_EXPLFLAG_DRAWALPHA ))
	{
		// alpha sprite (came from hl2)
		pTemp->entity.curstate.rendermode = kRenderTransAlpha;
		pTemp->entity.curstate.renderamt = 180;
	}
	else
	{
		// additive sprite
		pTemp->entity.curstate.rendermode = kRenderTransAdd;
		pTemp->entity.curstate.renderamt = 180;
	}

	if( FBitSet( flags, TE_EXPLFLAG_ROTATE ))
	{
		// came from hl2
		pTemp->entity.angles[2] = COM_RandomLong( 0, 360 );
	}

	pTemp->entity.curstate.renderfx = kRenderFxNone;
	pTemp->entity.baseline.origin[2] = 8;
	pTemp->entity.origin[2] += 10;
	pTemp->entity.curstate.scale = scale;
}

/*
===============
R_Sprite_Smoke

apply params for smoke sprite
===============
*/
void GAME_EXPORT R_Sprite_Smoke( TEMPENTITY *pTemp, float scale )
{
	int	iColor;

	if( !pTemp ) return;

	iColor = COM_RandomLong( 20, 35 );
	pTemp->entity.curstate.rendermode = kRenderTransAlpha;
	pTemp->entity.curstate.renderfx = kRenderFxNone;
	pTemp->entity.baseline.origin[2] = 30;
	pTemp->entity.curstate.rendercolor.r = iColor;
	pTemp->entity.curstate.rendercolor.g = iColor;
	pTemp->entity.curstate.rendercolor.b = iColor;
	pTemp->entity.origin[2] += 20;
	pTemp->entity.curstate.scale = scale;
}

/*
===============
R_Spray

Throws a shower of sprites or models
===============
*/
void GAME_EXPORT R_Spray( const vec3_t pos, const vec3_t dir, int modelIndex, int count, int speed, int spread, int rendermode )
{
	TEMPENTITY	*pTemp;
	float		noise;
	float		znoise;
	model_t		*pmodel;
	int		i;

	if(( pmodel = CL_ModelHandle( modelIndex )) == NULL )
	{
		Con_Reportf( "No model %d!\n", modelIndex );
		return;
	}

	noise = (float)spread / 100.0f;

	// more vertical displacement
	znoise = Q_min( 1.0f, noise * 1.5f );

	for( i = 0; i < count; i++ )
	{
		pTemp = CL_TempEntAlloc( pos, pmodel );
		if( !pTemp ) return;

		pTemp->entity.curstate.rendermode = rendermode;
		pTemp->entity.baseline.renderamt = pTemp->entity.curstate.renderamt = 255;
		pTemp->entity.curstate.renderfx = kRenderFxNoDissipation;

		if( rendermode != kRenderGlow )
		{
			// spray
			pTemp->flags |= FTENT_COLLIDEWORLD | FTENT_SLOWGRAVITY;

			if( pTemp->frameMax > 1 )
			{
				pTemp->flags |= FTENT_COLLIDEWORLD | FTENT_SLOWGRAVITY | FTENT_SPRANIMATE;
				pTemp->die = cl.time + (pTemp->frameMax * 0.1f);
				pTemp->entity.curstate.framerate = 10;
			}
			else pTemp->die = cl.time + 0.35f;
		}
		else
		{
			// sprite spray
			pTemp->entity.curstate.frame = COM_RandomLong( 0, pTemp->frameMax );
			pTemp->flags |= FTENT_FADEOUT | FTENT_SLOWGRAVITY;
			pTemp->entity.curstate.framerate = 0.5;
			pTemp->die = cl.time + 0.35f;
			pTemp->fadeSpeed = 2.0;
		}

		// make the spittle fly the direction indicated, but mix in some noise.
		pTemp->entity.baseline.origin[0] = dir[0] + COM_RandomFloat( -noise, noise );
		pTemp->entity.baseline.origin[1] = dir[1] + COM_RandomFloat( -noise, noise );
		pTemp->entity.baseline.origin[2] = dir[2] + COM_RandomFloat( 0, znoise );
		VectorScale( pTemp->entity.baseline.origin, COM_RandomFloat(( speed * 0.8f ), ( speed * 1.2f )), pTemp->entity.baseline.origin );
	}
}

/*
===============
R_Sprite_Spray

Spray of alpha sprites
===============
*/
void GAME_EXPORT R_Sprite_Spray( const vec3_t pos, const vec3_t dir, int modelIndex, int count, int speed, int spread )
{
	R_Spray( pos, dir, modelIndex, count, speed, spread, kRenderGlow );
}

/*
===============
R_Sprite_Trail

Line of moving glow sprites with gravity,
fadeout, and collisions
===============
*/
void GAME_EXPORT R_Sprite_Trail( int type, vec3_t start, vec3_t end, int modelIndex, int count, float life, float size, float amp, int renderamt, float speed )
{
	TEMPENTITY	*pTemp;
	vec3_t		delta, dir;
	model_t		*pmodel;
	int		i;

	if(( pmodel = CL_ModelHandle( modelIndex )) == NULL )
		return;

	VectorSubtract( end, start, delta );
	VectorNormalize2( delta, dir );

	amp /= 256.0f;

	for( i = 0; i < count; i++ )
	{
		vec3_t	pos, vel;

		// Be careful of divide by 0 when using 'count' here...
		if( i == 0 ) VectorCopy( start, pos );
		else VectorMA( start, ( i / ( count - 1.0f )), delta, pos );

		pTemp = CL_TempEntAlloc( pos, pmodel );
		if( !pTemp ) return;

		pTemp->flags = (FTENT_COLLIDEWORLD|FTENT_SPRCYCLE|FTENT_FADEOUT|FTENT_SLOWGRAVITY);

		VectorScale( dir, speed, vel );
		vel[0] += COM_RandomFloat( -127.0f, 128.0f ) * amp;
		vel[1] += COM_RandomFloat( -127.0f, 128.0f ) * amp;
		vel[2] += COM_RandomFloat( -127.0f, 128.0f ) * amp;
		VectorCopy( vel, pTemp->entity.baseline.origin );
		VectorCopy( pos, pTemp->entity.origin );

		pTemp->entity.curstate.scale = size;
		pTemp->entity.curstate.rendermode = kRenderGlow;
		pTemp->entity.curstate.renderfx = kRenderFxNoDissipation;
		pTemp->entity.curstate.renderamt = pTemp->entity.baseline.renderamt = renderamt;

		pTemp->entity.curstate.frame = COM_RandomLong( 0, pTemp->frameMax );
		pTemp->die = cl.time + life + COM_RandomFloat( 0.0f, 4.0f );
	}
}

/*
===============
R_FunnelSprite

Create a funnel effect with custom sprite
===============
*/
void GAME_EXPORT R_FunnelSprite( const vec3_t org, int modelIndex, int reverse )
{
	TEMPENTITY	*pTemp;
	vec3_t		dir, dest;
	float		dist, vel;
	model_t		*pmodel;
	int		i, j;

	if(( pmodel = CL_ModelHandle( modelIndex )) == NULL )
	{
		Con_Reportf( S_ERROR "no model %d!\n", modelIndex );
		return;
	}

	for( i = -8; i < 8; i++ )
	{
		for( j = -8; j < 8; j++ )
		{
			pTemp = CL_TempEntAlloc( org, pmodel );
			if( !pTemp ) return;

			dest[0] = (i * 32.0f) + org[0];
			dest[1] = (j * 32.0f) + org[1];
			dest[2] = org[2] + COM_RandomFloat( 100.0f, 800.0f );

			if( reverse )
			{
				VectorCopy( org, pTemp->entity.origin );
				VectorSubtract( dest, pTemp->entity.origin, dir );
			}
			else
			{
				VectorCopy( dest, pTemp->entity.origin );
				VectorSubtract( org, pTemp->entity.origin, dir );
			}

			pTemp->entity.curstate.rendermode = kRenderGlow;
			pTemp->entity.curstate.renderfx = kRenderFxNoDissipation;
			pTemp->entity.baseline.renderamt = pTemp->entity.curstate.renderamt = 200;
			pTemp->entity.baseline.angles[2] = COM_RandomFloat( -100.0f, 100.0f );
			pTemp->entity.curstate.framerate = COM_RandomFloat( 0.1f, 0.4f );
			pTemp->flags = FTENT_ROTATE|FTENT_FADEOUT;
			pTemp->entity.curstate.framerate = 10;

			vel = dest[2] / 8.0f;
			if( vel < 64.0f ) vel = 64.0f;
			dist = VectorNormalizeLength( dir );
			vel += COM_RandomFloat( 64.0f, 128.0f );
			VectorScale( dir, vel, pTemp->entity.baseline.origin );
			pTemp->die = cl.time + (dist / vel) - 0.5f;
			pTemp->fadeSpeed = 2.0f;
		}
	}
}

/*
===============
R_SparkEffect

Create a streaks + richochet sprite
===============
*/
void GAME_EXPORT R_SparkEffect( const vec3_t pos, int count, int velocityMin, int velocityMax )
{
	R_RicochetSprite( pos, cl_sprite_ricochet, 0.1f, COM_RandomFloat( 0.5f, 1.0f ));
	R_SparkStreaks( pos, count, velocityMin, velocityMax );
}

/*
==============
R_RicochetSound

Make a random ricochet sound
==============
*/
void GAME_EXPORT R_RicochetSound( const vec3_t pos )
{
	int	iPitch = COM_RandomLong( 90, 105 );
	float	fvol = COM_RandomFloat( 0.7f, 0.9f );
	char	soundpath[32];
	sound_t	handle;

	Q_strncpy( soundpath, cl_ricochet_sounds[COM_RandomLong( 0, 4 )], sizeof( soundpath ) );
	handle = S_RegisterSound( soundpath );

	S_StartSound( pos, 0, CHAN_AUTO, handle, fvol, ATTN_NORM, iPitch, 0 );
}

/*
==============
R_Projectile

Create an projectile entity
==============
*/
void GAME_EXPORT R_Projectile( const vec3_t origin, const vec3_t velocity, int modelIndex, int life, int owner, void (*hitcallback)( TEMPENTITY*, pmtrace_t* ))
{
	TEMPENTITY	*pTemp;
	model_t		*pmodel;
	vec3_t		dir;

	if(( pmodel = CL_ModelHandle( modelIndex )) == NULL )
		return;

	pTemp = CL_TempEntAllocHigh( origin, pmodel );
	if( !pTemp ) return;

	VectorCopy( velocity, pTemp->entity.baseline.origin );

	if( pmodel->type == mod_sprite )
	{
		SetBits( pTemp->flags, FTENT_SPRANIMATE );

		if( pTemp->frameMax < 10 )
		{
			SetBits( pTemp->flags, FTENT_SPRANIMATE|FTENT_SPRANIMATELOOP );
			pTemp->entity.curstate.framerate = 10;
		}
		else
		{
			pTemp->entity.curstate.framerate = pTemp->frameMax / life;
		}
	}
	else
	{
		pTemp->frameMax = 0;
		VectorNormalize2( velocity, dir );
		VectorAngles( dir, pTemp->entity.angles );
	}

	pTemp->flags |= FTENT_COLLIDEALL|FTENT_PERSIST|FTENT_COLLIDEKILL;
	pTemp->clientIndex = bound( 1, owner, cl.maxclients );
	pTemp->entity.baseline.renderamt = 255;
	pTemp->hitcallback = hitcallback;
	pTemp->die = cl.time + life;
}

/*
==============
R_TempSphereModel

Spherical shower of models, picks from set
==============
*/
void GAME_EXPORT R_TempSphereModel( const vec3_t pos, float speed, float life, int count, int modelIndex )
{
	TEMPENTITY	*pTemp;
	int		i;

	// create temp models
	for( i = 0; i < count; i++ )
	{
		pTemp = CL_TempEntAlloc( pos, CL_ModelHandle( modelIndex ));
		if( !pTemp ) return;

		pTemp->entity.curstate.body = COM_RandomLong( 0, pTemp->frameMax );

		if( COM_RandomLong( 0, 255 ) < 10 )
			pTemp->flags |= FTENT_SLOWGRAVITY;
		else pTemp->flags |= FTENT_GRAVITY;

		if( COM_RandomLong( 0, 255 ) < 200 )
		{
			pTemp->flags |= FTENT_ROTATE;
			pTemp->entity.baseline.angles[0] = COM_RandomFloat( -256.0f, -255.0f );
			pTemp->entity.baseline.angles[1] = COM_RandomFloat( -256.0f, -255.0f );
			pTemp->entity.baseline.angles[2] = COM_RandomFloat( -256.0f, -255.0f );
		}

		if( COM_RandomLong( 0, 255 ) < 100 )
			pTemp->flags |= FTENT_SMOKETRAIL;

		pTemp->flags |= FTENT_FLICKER | FTENT_COLLIDEWORLD;
		pTemp->entity.curstate.rendermode = kRenderNormal;
		pTemp->entity.curstate.effects = i & 31;
		pTemp->entity.baseline.origin[0] = COM_RandomFloat( -1.0f, 1.0f );
		pTemp->entity.baseline.origin[1] = COM_RandomFloat( -1.0f, 1.0f );
		pTemp->entity.baseline.origin[2] = COM_RandomFloat( -1.0f, 1.0f );

		VectorNormalize( pTemp->entity.baseline.origin );
		VectorScale( pTemp->entity.baseline.origin, speed, pTemp->entity.baseline.origin );
		pTemp->die = cl.time + life;
	}
}

/*
==============
R_Explosion

Create an explosion (scale is magnitude)
==============
*/
void GAME_EXPORT R_Explosion( vec3_t pos, int model, float scale, float framerate, int flags )
{
	sound_t	hSound;

	if( scale != 0.0f )
	{
		// create explosion sprite
		R_Sprite_Explode( R_DefaultSprite( pos, model, framerate ), scale, flags );

		if( !FBitSet( flags, TE_EXPLFLAG_NOPARTICLES ))
			R_FlickerParticles( pos );

		if( !FBitSet( flags, TE_EXPLFLAG_NODLIGHTS ))
		{
			dlight_t	*dl;

			// big flash
			dl = CL_AllocDlight( 0 );
			VectorCopy( pos, dl->origin );
			dl->radius = 200;
			dl->color.r = 250;
			dl->color.g = 250;
			dl->color.b = 150;
			dl->die = cl.time + 0.01f;
			dl->decay = 80;

			// red glow
			dl = CL_AllocDlight( 0 );
			VectorCopy( pos, dl->origin );
			dl->radius = 150;
			dl->color.r = 255;
			dl->color.g = 190;
			dl->color.b = 40;
			dl->die = cl.time + 1.0f;
			dl->decay = 200;
		}
	}

	if( !FBitSet( flags, TE_EXPLFLAG_NOSOUND ))
	{
		hSound = S_RegisterSound( cl_explode_sounds[COM_RandomLong( 0, 2 )] );
		S_StartSound( pos, 0, CHAN_STATIC, hSound, VOL_NORM, 0.3f, PITCH_NORM, 0 );
	}
}

/*
==============
R_PlayerSprites

Create a particle smoke around player
==============
*/
void GAME_EXPORT R_PlayerSprites( int client, int modelIndex, int count, int size )
{
	TEMPENTITY	*pTemp;
	cl_entity_t	*pEnt;
	vec3_t		position;
	vec3_t		dir;
	float		vel;
	int		i;

	pEnt = CL_GetEntityByIndex( client );

	if( !pEnt || !pEnt->player )
		return;

	vel = 128;

	for( i = 0; i < count; i++ )
	{
		VectorCopy( pEnt->origin, position );
		position[0] += COM_RandomFloat( -10.0f, 10.0f );
		position[1] += COM_RandomFloat( -10.0f, 10.0f );
		position[2] += COM_RandomFloat( -20.0f, 36.0f );

		pTemp = CL_TempEntAlloc( position, CL_ModelHandle( modelIndex ));
		if( !pTemp ) return;

		VectorSubtract( pTemp->entity.origin, pEnt->origin, pTemp->tentOffset );

		if ( i != 0 )
		{
			pTemp->flags |= FTENT_PLYRATTACHMENT;
			pTemp->clientIndex = client;
		}
		else
		{
			VectorSubtract( position, pEnt->origin, dir );
			VectorNormalize( dir );
			VectorScale( dir, 60, dir );
			VectorCopy( dir, pTemp->entity.baseline.origin );
			pTemp->entity.baseline.origin[1] = COM_RandomFloat( 20.0f, 60.0f );
		}

		pTemp->entity.curstate.renderfx = kRenderFxNoDissipation;
		pTemp->entity.curstate.framerate = COM_RandomFloat( 1.0f - (size / 100.0f ), 1.0f );

		if( pTemp->frameMax > 1 )
		{
			pTemp->flags |= FTENT_SPRANIMATE;
			pTemp->entity.curstate.framerate = 20.0f;
			pTemp->die = cl.time + (pTemp->frameMax * 0.05f);
		}
		else
		{
			pTemp->die = cl.time + 0.35f;
		}
	}
}

/*
==============
R_FireField

Makes a field of fire
==============
*/
void GAME_EXPORT R_FireField( float *org, int radius, int modelIndex, int count, int flags, float life )
{
	TEMPENTITY	*pTemp;
	model_t		*pmodel;
	float		time;
	vec3_t		pos;
	int		i;

	if(( pmodel = CL_ModelHandle( modelIndex )) == NULL )
		return;

	for( i = 0; i < count; i++ )
	{
		VectorCopy( org, pos );
		pos[0] += COM_RandomFloat( -radius, radius );
		pos[1] += COM_RandomFloat( -radius, radius );

		if( !FBitSet( flags, TEFIRE_FLAG_PLANAR ))
			pos[2] += COM_RandomFloat( -radius, radius );

		pTemp = CL_TempEntAlloc( pos, pmodel );
		if( !pTemp ) return;

		if( FBitSet( flags, TEFIRE_FLAG_ALPHA ))
		{
			pTemp->entity.curstate.rendermode = kRenderTransAlpha;
			pTemp->entity.curstate.renderfx = kRenderFxNoDissipation;
			pTemp->entity.baseline.renderamt = pTemp->entity.curstate.renderamt = 128;
		}
		else if( FBitSet( flags, TEFIRE_FLAG_ADDITIVE ))
		{
			pTemp->entity.curstate.rendermode = kRenderTransAdd;
			pTemp->entity.curstate.renderamt = 80;
		}
		else
		{
			pTemp->entity.curstate.rendermode = kRenderNormal;
			pTemp->entity.curstate.renderfx = kRenderFxNoDissipation;
			pTemp->entity.baseline.renderamt = pTemp->entity.curstate.renderamt = 255;
		}

		pTemp->entity.curstate.framerate = COM_RandomFloat( 0.75f, 1.25f );
		time = life + COM_RandomFloat( -0.25f, 0.5f );
		pTemp->die = cl.time + time;

		if( pTemp->frameMax > 1 )
		{
			pTemp->flags |= FTENT_SPRANIMATE;

			if( FBitSet( flags, TEFIRE_FLAG_LOOP ))
			{
				pTemp->entity.curstate.framerate = 15.0f;
				pTemp->flags |= FTENT_SPRANIMATELOOP;
			}
			else
			{
				pTemp->entity.curstate.framerate = pTemp->frameMax / time;
			}
		}

		if( FBitSet( flags, TEFIRE_FLAG_ALLFLOAT ) || ( FBitSet( flags, TEFIRE_FLAG_SOMEFLOAT ) && !COM_RandomLong( 0, 1 )))
		{
			// drift sprite upward
			pTemp->entity.baseline.origin[2] = COM_RandomFloat( 10.0f, 30.0f );
		}
	}
}

/*
==============
R_MultiGunshot

Client version of shotgun shot
==============
*/
void GAME_EXPORT R_MultiGunshot( const vec3_t org, const vec3_t dir, const vec3_t noise, int count, int decalCount, int *decalIndices )
{
	pmtrace_t	trace;
	vec3_t	right, up;
	vec3_t	vecSrc, vecDir, vecEnd;
	int	i, j, decalIndex;

	VectorVectors( dir, right, up );
	VectorCopy( org, vecSrc );

	for( i = 0; i < count; i++ )
	{
		// get circular gaussian spread
		float x, y, z;
		do {
			x = COM_RandomFloat( -0.5f, 0.5f ) + COM_RandomFloat( -0.5f, 0.5f );
			y = COM_RandomFloat( -0.5f, 0.5f ) + COM_RandomFloat( -0.5f, 0.5f );
			z = x * x + y * y;
		} while( z > 1.0f );

		for( j = 0; j < 3; j++ )
		{
			vecDir[j] = dir[j] + x * noise[0] * right[j] + y * noise[1] * up[j];
			vecEnd[j] = vecSrc[j] + 4096.0f * vecDir[j];
		}

		trace = CL_TraceLine( vecSrc, vecEnd, PM_STUDIO_IGNORE );

		// paint decals
		if( trace.fraction != 1.0f )
		{
			physent_t	*pe = NULL;

			if( i & 2 ) R_RicochetSound( trace.endpos );
			R_BulletImpactParticles( trace.endpos );

			if( trace.ent >= 0 && trace.ent < clgame.pmove->numphysent )
				pe = &clgame.pmove->physents[trace.ent];

			if( pe && ( pe->solid == SOLID_BSP || pe->movetype == MOVETYPE_PUSHSTEP ))
			{
				cl_entity_t *e = CL_GetEntityByIndex( pe->info );
				decalIndex = CL_DecalIndex( decalIndices[COM_RandomLong( 0, decalCount-1 )] );
				CL_DecalShoot( decalIndex, e->index, 0, trace.endpos, 0 );
			}
		}
	}
}

/*
==============
R_Sprite_WallPuff

Create a wallpuff
==============
*/
void GAME_EXPORT R_Sprite_WallPuff( TEMPENTITY *pTemp, float scale )
{
	if( !pTemp ) return;

	pTemp->entity.curstate.renderamt = 255;
	pTemp->entity.curstate.rendermode = kRenderTransAlpha;
	pTemp->entity.angles[ROLL] = COM_RandomLong( 0, 359 );
	pTemp->entity.baseline.origin[2] = 30;
	pTemp->entity.curstate.scale = scale;
	pTemp->die = cl.time + 0.01f;
}



/*
==============
CL_ParseTempEntity

handle temp-entity messages
==============
*/
void CL_ParseTempEntity( sizebuf_t *msg )
{
	sizebuf_t		buf;
	byte		pbuf[256];
	int		iSize;
	int		type, color, count, flags;
	int		decalIndex, modelIndex, entityIndex;
	float		scale, life, frameRate, vel, random;
	float		brightness, r, g, b;
	vec3_t		pos, pos2, ang;
	int		decalIndices[1];	// just stub
	TEMPENTITY	*pTemp;
	cl_entity_t	*pEnt;
	dlight_t		*dl;

	if( cls.legacymode )
		iSize = MSG_ReadByte( msg );
	else iSize = MSG_ReadWord( msg );

	decalIndex = modelIndex = entityIndex = 0;

	// parse user message into buffer
	MSG_ReadBytes( msg, pbuf, iSize );

	// init a safe tempbuffer
	MSG_Init( &buf, "TempEntity", pbuf, iSize );

	type = MSG_ReadByte( &buf );

	switch( type )
	{
	case TE_BEAMPOINTS:
	case TE_BEAMENTPOINT:
	case TE_LIGHTNING:
	case TE_BEAMENTS:
	case TE_BEAM:
	case TE_BEAMSPRITE:
	case TE_BEAMTORUS:
	case TE_BEAMDISK:
	case TE_BEAMCYLINDER:
	case TE_BEAMFOLLOW:
	case TE_BEAMRING:
	case TE_BEAMHOSE:
	case TE_KILLBEAM:
		CL_ParseViewBeam( &buf, type );
		break;
	case TE_GUNSHOT:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		R_RicochetSound( pos );
		R_RunParticleEffect( pos, vec3_origin, 0, 20 );
		break;
	case TE_EXPLOSION:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		modelIndex = MSG_ReadShort( &buf );
		scale = (float)(MSG_ReadByte( &buf ) * 0.1f);
		frameRate = MSG_ReadByte( &buf );
		flags = MSG_ReadByte( &buf );
		R_Explosion( pos, modelIndex, scale, frameRate, flags );
		break;
	case TE_TAREXPLOSION:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		R_BlobExplosion( pos );
		break;
	case TE_SMOKE:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		modelIndex = MSG_ReadShort( &buf );
		scale = (float)(MSG_ReadByte( &buf ) * 0.1f);
		frameRate = MSG_ReadByte( &buf );
		pTemp = R_DefaultSprite( pos, modelIndex, frameRate );
		R_Sprite_Smoke( pTemp, scale );
		break;
	case TE_TRACER:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		pos2[0] = MSG_ReadCoord( &buf );
		pos2[1] = MSG_ReadCoord( &buf );
		pos2[2] = MSG_ReadCoord( &buf );
		R_TracerEffect( pos, pos2 );
		break;
	case TE_SPARKS:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		R_SparkShower( pos );
		break;
	case TE_LAVASPLASH:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		R_LavaSplash( pos );
		break;
	case TE_TELEPORT:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		R_TeleportSplash( pos );
		break;
	case TE_EXPLOSION2:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		color = MSG_ReadByte( &buf );
		count = MSG_ReadByte( &buf );
		R_ParticleExplosion2( pos, color, count );
		break;
	case TE_BSPDECAL:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		decalIndex = MSG_ReadShort( &buf );
		entityIndex = MSG_ReadShort( &buf );
		if( entityIndex ) modelIndex = MSG_ReadShort( &buf );
		CL_DecalShoot( CL_DecalIndex( decalIndex ), entityIndex, modelIndex, pos, FDECAL_PERMANENT );
		break;
	case TE_IMPLOSION:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		scale = MSG_ReadByte( &buf );
		count = MSG_ReadByte( &buf );
		life = (float)(MSG_ReadByte( &buf ) * 0.1f);
		R_Implosion( pos, scale, count, life );
		break;
	case TE_SPRITETRAIL:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		pos2[0] = MSG_ReadCoord( &buf );
		pos2[1] = MSG_ReadCoord( &buf );
		pos2[2] = MSG_ReadCoord( &buf );
		modelIndex = MSG_ReadShort( &buf );
		count = MSG_ReadByte( &buf );
		life = (float)(MSG_ReadByte( &buf ) * 0.1f);
		scale = (float)(MSG_ReadByte( &buf ) * 0.1f);
		vel = (float)MSG_ReadByte( &buf );
		random = (float)MSG_ReadByte( &buf );
		R_Sprite_Trail( type, pos, pos2, modelIndex, count, life, scale, random, 255, vel );
		break;
	case TE_SPRITE:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		modelIndex = MSG_ReadShort( &buf );
		scale = (float)(MSG_ReadByte( &buf ) * 0.1f);
		brightness = (float)MSG_ReadByte( &buf );

		if(( pTemp = R_DefaultSprite( pos, modelIndex, 0 )) != NULL )
		{
			pTemp->entity.curstate.scale = scale;
			pTemp->entity.baseline.renderamt = brightness;
			pTemp->entity.curstate.renderamt = brightness;
			pTemp->entity.curstate.rendermode = kRenderTransAdd;
		}
		break;
	case TE_GLOWSPRITE:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		modelIndex = MSG_ReadShort( &buf );
		life = (float)(MSG_ReadByte( &buf ) * 0.1f);
		scale = (float)(MSG_ReadByte( &buf ) * 0.1f);
		brightness = (float)MSG_ReadByte( &buf );

		if(( pTemp = R_DefaultSprite( pos, modelIndex, 0 )) != NULL )
		{
			pTemp->entity.curstate.scale = scale;
			pTemp->entity.curstate.rendermode = kRenderGlow;
			pTemp->entity.curstate.renderfx = kRenderFxNoDissipation;
			pTemp->entity.baseline.renderamt = brightness;
			pTemp->entity.curstate.renderamt = brightness;
			pTemp->flags = FTENT_FADEOUT;
			pTemp->die = cl.time + life;
		}
		break;
	case TE_STREAK_SPLASH:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		pos2[0] = MSG_ReadCoord( &buf );
		pos2[1] = MSG_ReadCoord( &buf );
		pos2[2] = MSG_ReadCoord( &buf );
		color = MSG_ReadByte( &buf );
		count = MSG_ReadShort( &buf );
		vel = (float)MSG_ReadShort( &buf );
		random = (float)MSG_ReadShort( &buf );
		R_StreakSplash( pos, pos2, color, count, vel, -random, random );
		break;
	case TE_DLIGHT:
		dl = CL_AllocDlight( 0 );
		dl->origin[0] = MSG_ReadCoord( &buf );
		dl->origin[1] = MSG_ReadCoord( &buf );
		dl->origin[2] = MSG_ReadCoord( &buf );
		dl->radius = (float)(MSG_ReadByte( &buf ) * 10.0f);
		dl->color.r = MSG_ReadByte( &buf );
		dl->color.g = MSG_ReadByte( &buf );
		dl->color.b = MSG_ReadByte( &buf );
		dl->die = cl.time + (float)(MSG_ReadByte( &buf ) * 0.1f);
		dl->decay = (float)(MSG_ReadByte( &buf ) * 10.0f);
		break;
	case TE_ELIGHT:
		dl = CL_AllocElight( MSG_ReadShort( &buf ));
		dl->origin[0] = MSG_ReadCoord( &buf );
		dl->origin[1] = MSG_ReadCoord( &buf );
		dl->origin[2] = MSG_ReadCoord( &buf );
		dl->radius = MSG_ReadCoord( &buf );
		dl->color.r = MSG_ReadByte( &buf );
		dl->color.g = MSG_ReadByte( &buf );
		dl->color.b = MSG_ReadByte( &buf );
		life = (float)MSG_ReadByte( &buf ) * 0.1f;
		dl->die = cl.time + life;
		dl->decay = MSG_ReadCoord( &buf );
		if( life != 0 ) dl->decay /= life;
		break;
	case TE_TEXTMESSAGE:
		CL_ParseTextMessage( &buf );
		break;
	case TE_LINE:
	case TE_BOX:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		pos2[0] = MSG_ReadCoord( &buf );
		pos2[1] = MSG_ReadCoord( &buf );
		pos2[2] = MSG_ReadCoord( &buf );
		life = (float)(MSG_ReadShort( &buf ) * 0.1f);
		r = MSG_ReadByte( &buf );
		g = MSG_ReadByte( &buf );
		b = MSG_ReadByte( &buf );
		if( type == TE_LINE ) R_ParticleLine( pos, pos2, r, g, b, life );
		else R_ParticleBox( pos, pos2, r, g, b, life );
		break;
	case TE_LARGEFUNNEL:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		modelIndex = MSG_ReadShort( &buf );
		flags = MSG_ReadShort( &buf );
		R_LargeFunnel( pos, flags );
		R_FunnelSprite( pos, modelIndex, flags );
		break;
	case TE_BLOODSTREAM:
	case TE_BLOOD:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		pos2[0] = MSG_ReadCoord( &buf );
		pos2[1] = MSG_ReadCoord( &buf );
		pos2[2] = MSG_ReadCoord( &buf );
		color = MSG_ReadByte( &buf );
		count = MSG_ReadByte( &buf );
		if( type == TE_BLOOD ) R_Blood( pos, pos2, color, count );
		else R_BloodStream( pos, pos2, color, count );
		break;
	case TE_SHOWLINE:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		pos2[0] = MSG_ReadCoord( &buf );
		pos2[1] = MSG_ReadCoord( &buf );
		pos2[2] = MSG_ReadCoord( &buf );
		R_ShowLine( pos, pos2 );
		break;
	case TE_DECAL:
	case TE_DECALHIGH:
	case TE_WORLDDECAL:
	case TE_WORLDDECALHIGH:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		decalIndex = MSG_ReadByte( &buf );
		if( type == TE_DECAL || type == TE_DECALHIGH )
			entityIndex = MSG_ReadShort( &buf );
		else entityIndex = 0;
		if( type == TE_DECALHIGH || type == TE_WORLDDECALHIGH )
			decalIndex += 256;
		pEnt = CL_GetEntityByIndex( entityIndex );
		if( pEnt ) modelIndex = pEnt->curstate.modelindex;
		CL_DecalShoot( CL_DecalIndex( decalIndex ), entityIndex, modelIndex, pos, 0 );
		break;
	case TE_FIZZ:
		entityIndex = MSG_ReadShort( &buf );
		modelIndex = MSG_ReadShort( &buf );
		scale = MSG_ReadByte( &buf );	// same as density
		pEnt = CL_GetEntityByIndex( entityIndex );
		R_FizzEffect( pEnt, modelIndex, scale );
		break;
	case TE_MODEL:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		pos2[0] = MSG_ReadCoord( &buf );
		pos2[1] = MSG_ReadCoord( &buf );
		pos2[2] = MSG_ReadCoord( &buf );
		ang[0] = 0.0f;
		ang[1] = MSG_ReadAngle( &buf ); // yaw angle
		ang[2] = 0.0f;
		modelIndex = MSG_ReadShort( &buf );
		flags = MSG_ReadByte( &buf );	// sound flags
		life = (float)(MSG_ReadByte( &buf ) * 0.1f);
		R_TempModel( pos, pos2, ang, life, modelIndex, flags );
		break;
	case TE_EXPLODEMODEL:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		vel = MSG_ReadCoord( &buf );
		modelIndex = MSG_ReadShort( &buf );
		count = MSG_ReadShort( &buf );
		life = (float)(MSG_ReadByte( &buf ) * 0.1f);
		R_TempSphereModel( pos, vel, life, count, modelIndex );
		break;
	case TE_BREAKMODEL:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		pos2[0] = MSG_ReadCoord( &buf );
		pos2[1] = MSG_ReadCoord( &buf );
		pos2[2] = MSG_ReadCoord( &buf );
		ang[0] = MSG_ReadCoord( &buf );
		ang[1] = MSG_ReadCoord( &buf );
		ang[2] = MSG_ReadCoord( &buf );
		random = (float)MSG_ReadByte( &buf ) * 10.0f;
		modelIndex = MSG_ReadShort( &buf );
		count = MSG_ReadByte( &buf );
		life = (float)(MSG_ReadByte( &buf ) * 0.1f);
		flags = MSG_ReadByte( &buf );
		R_BreakModel( pos, pos2, ang, random, life, count, modelIndex, (char)flags );
		break;
	case TE_GUNSHOTDECAL:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		entityIndex = MSG_ReadShort( &buf );
		decalIndex = MSG_ReadByte( &buf );
		pEnt = CL_GetEntityByIndex( entityIndex );
		CL_DecalShoot( CL_DecalIndex( decalIndex ), entityIndex, 0, pos, 0 );
		R_BulletImpactParticles( pos );
		R_RicochetSound( pos );
		break;
	case TE_SPRAY:
	case TE_SPRITE_SPRAY:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		pos2[0] = MSG_ReadCoord( &buf );
		pos2[1] = MSG_ReadCoord( &buf );
		pos2[2] = MSG_ReadCoord( &buf );
		modelIndex = MSG_ReadShort( &buf );
		count = MSG_ReadByte( &buf );
		vel = (float)MSG_ReadByte( &buf );
		random = (float)MSG_ReadByte( &buf );
		if( type == TE_SPRAY )
		{
			flags = MSG_ReadByte( &buf );	// rendermode
			R_Spray( pos, pos2, modelIndex, count, vel, random, flags );
		}
		else R_Sprite_Spray( pos, pos2, modelIndex, count, vel * 2.0f, random );
		break;
	case TE_ARMOR_RICOCHET:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		scale = (float)(MSG_ReadByte( &buf ) * 0.1f);
		R_RicochetSprite( pos, cl_sprite_ricochet, 0.1f, scale );
		R_RicochetSound( pos );
		break;
	case TE_PLAYERDECAL:
		color = MSG_ReadByte( &buf ) - 1; // playernum
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		entityIndex = MSG_ReadShort( &buf );
		decalIndex = MSG_ReadByte( &buf );
		CL_PlayerDecal( color, decalIndex, entityIndex, pos );
		break;
	case TE_BUBBLES:
	case TE_BUBBLETRAIL:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		pos2[0] = MSG_ReadCoord( &buf );
		pos2[1] = MSG_ReadCoord( &buf );
		pos2[2] = MSG_ReadCoord( &buf );
		scale = MSG_ReadCoord( &buf );	// water height
		modelIndex = MSG_ReadShort( &buf );
		count = MSG_ReadByte( &buf );
		vel = MSG_ReadCoord( &buf );
		if( type == TE_BUBBLES ) R_Bubbles( pos, pos2, scale, modelIndex, count, vel );
		else R_BubbleTrail( pos, pos2, scale, modelIndex, count, vel );
		break;
	case TE_BLOODSPRITE:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		modelIndex = MSG_ReadShort( &buf );	// sprite #1
		decalIndex = MSG_ReadShort( &buf );	// sprite #2
		color = MSG_ReadByte( &buf );
		scale = (float)MSG_ReadByte( &buf );
		R_BloodSprite( pos, color, modelIndex, decalIndex, scale );
		break;
	case TE_PROJECTILE:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		pos2[0] = MSG_ReadCoord( &buf );
		pos2[1] = MSG_ReadCoord( &buf );
		pos2[2] = MSG_ReadCoord( &buf );
		modelIndex = MSG_ReadShort( &buf );
		life = MSG_ReadByte( &buf );
		color = MSG_ReadByte( &buf );	// playernum
		R_Projectile( pos, pos2, modelIndex, life, color, NULL );
		break;
	case TE_PLAYERSPRITES:
		color = MSG_ReadShort( &buf );	// entitynum
		modelIndex = MSG_ReadShort( &buf );
		count = MSG_ReadByte( &buf );
		random = (float)MSG_ReadByte( &buf );
		R_PlayerSprites( color, modelIndex, count, random );
		break;
	case TE_PARTICLEBURST:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		scale = (float)MSG_ReadShort( &buf );
		color = MSG_ReadByte( &buf );
		life = (float)(MSG_ReadByte( &buf ) * 0.1f);
		R_ParticleBurst( pos, scale, color, life );
		break;
	case TE_FIREFIELD:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		scale = (float)MSG_ReadShort( &buf );
		modelIndex = MSG_ReadShort( &buf );
		count = MSG_ReadByte( &buf );
		flags = MSG_ReadByte( &buf );
		life = (float)(MSG_ReadByte( &buf ) * 0.1f);
		R_FireField( pos, scale, modelIndex, count, flags, life );
		break;
	case TE_PLAYERATTACHMENT:
		color = MSG_ReadByte( &buf );	// playernum
		scale = MSG_ReadCoord( &buf );	// height
		modelIndex = MSG_ReadShort( &buf );
		life = (float)(MSG_ReadShort( &buf ) * 0.1f);
		R_AttachTentToPlayer( color, modelIndex, scale, life );
		break;
	case TE_KILLPLAYERATTACHMENTS:
		color = MSG_ReadByte( &buf );	// playernum
		R_KillAttachedTents( color );
		break;
	case TE_MULTIGUNSHOT:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		pos2[0] = MSG_ReadCoord( &buf ) * 0.1f;
		pos2[1] = MSG_ReadCoord( &buf ) * 0.1f;
		pos2[2] = MSG_ReadCoord( &buf ) * 0.1f;
		ang[0] = MSG_ReadCoord( &buf ) * 0.01f;
		ang[1] = MSG_ReadCoord( &buf ) * 0.01f;
		ang[2] = 0.0f;
		count = MSG_ReadByte( &buf );
		decalIndices[0] = MSG_ReadByte( &buf );
		R_MultiGunshot( pos, pos2, ang, count, 1, decalIndices );
		break;
	case TE_USERTRACER:
		pos[0] = MSG_ReadCoord( &buf );
		pos[1] = MSG_ReadCoord( &buf );
		pos[2] = MSG_ReadCoord( &buf );
		pos2[0] = MSG_ReadCoord( &buf );
		pos2[1] = MSG_ReadCoord( &buf );
		pos2[2] = MSG_ReadCoord( &buf );
		life = (float)(MSG_ReadByte( &buf ) * 0.1f);
		color = MSG_ReadByte( &buf );
		scale = (float)(MSG_ReadByte( &buf ) * 0.1f);
		R_UserTracerParticle( pos, pos2, life, color, scale, 0, NULL );
		break;
	default:
		Con_DPrintf( S_ERROR "ParseTempEntity: illegible TE message %i\n", type );
		break;
	}

	// throw warning
	if( MSG_CheckOverflow( &buf ))
		Con_DPrintf( S_WARN "ParseTempEntity: overflow TE message\n" );
}


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

LIGHT STYLE MANAGEMENT

==============================================================
*/
#define STYLE_LERPING_THRESHOLD	3.0f // because we wan't interpolate fast sequences (like on\off)

/*
================
CL_ClearLightStyles
================
*/
void CL_ClearLightStyles( void )
{
	memset( cl.lightstyles, 0, sizeof( cl.lightstyles ));
}

void CL_SetLightstyle( int style, const char *s, float f )
{
	int		i, k;
	lightstyle_t	*ls;
	float		val1, val2;

	Assert( s != NULL );
	Assert( style >= 0 && style < MAX_LIGHTSTYLES );

	ls = &cl.lightstyles[style];

	Q_strncpy( ls->pattern, s, sizeof( ls->pattern ));

	ls->length = Q_strlen( s );
	ls->time = f; // set local time

	for( i = 0; i < ls->length; i++ )
		ls->map[i] = (float)(s[i] - 'a');

	ls->interp = (ls->length <= 1) ? false : true;

	// check for allow interpolate
	// NOTE: fast flickering styles looks ugly when interpolation is running
	for( k = 0; k < (ls->length - 1); k++ )
	{
		val1 = ls->map[(k+0) % ls->length];
		val2 = ls->map[(k+1) % ls->length];

		if( fabs( val1 - val2 ) > STYLE_LERPING_THRESHOLD )
		{
			ls->interp = false;
			break;
		}
	}

	Con_Reportf( "Lightstyle %i (%s), interp %s\n", style, ls->pattern, ls->interp ? "Yes" : "No" );
}

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

DLIGHT MANAGEMENT

==============================================================
*/
dlight_t	cl_dlights[MAX_DLIGHTS];
dlight_t	cl_elights[MAX_ELIGHTS];

/*
================
CL_ClearDlights
================
*/
void CL_ClearDlights( void )
{
	memset( cl_dlights, 0, sizeof( cl_dlights ));
	memset( cl_elights, 0, sizeof( cl_elights ));
}

/*
===============
CL_AllocDlight

===============
*/
dlight_t *CL_AllocDlight( int key )
{
	dlight_t	*dl;
	int	i;

	// first look for an exact key match
	if( key )
	{
		for( i = 0, dl = cl_dlights; i < MAX_DLIGHTS; i++, dl++ )
		{
			if( dl->key == key )
			{
				// reuse this light
				memset( dl, 0, sizeof( *dl ));
				dl->key = key;
				return dl;
			}
		}
	}

	// then look for anything else
	for( i = 0, dl = cl_dlights; i < MAX_DLIGHTS; i++, dl++ )
	{
		if( dl->die < cl.time && dl->key == 0 )
		{
			memset( dl, 0, sizeof( *dl ));
			dl->key = key;
			return dl;
		}
	}

	// otherwise grab first dlight
	dl = &cl_dlights[0];
	memset( dl, 0, sizeof( *dl ));
	dl->key = key;

	return dl;
}

/*
===============
CL_AllocElight

===============
*/
dlight_t *CL_AllocElight( int key )
{
	dlight_t	*dl;
	int	i;

	// first look for an exact key match
	if( key )
	{
		for( i = 0, dl = cl_elights; i < MAX_ELIGHTS; i++, dl++ )
		{
			if( dl->key == key )
			{
				// reuse this light
				memset( dl, 0, sizeof( *dl ));
				dl->key = key;
				return dl;
			}
		}
	}

	// then look for anything else
	for( i = 0, dl = cl_elights; i < MAX_ELIGHTS; i++, dl++ )
	{
		if( dl->die < cl.time && dl->key == 0 )
		{
			memset( dl, 0, sizeof( *dl ));
			dl->key = key;
			return dl;
		}
	}

	// otherwise grab first dlight
	dl = &cl_elights[0];
	memset( dl, 0, sizeof( *dl ));
	dl->key = key;

	return dl;
}

/*
===============
CL_DecayLights

===============
*/
void CL_DecayLights( void )
{
	dlight_t	*dl;
	float	time;
	int	i;

	time = cl.time - cl.oldtime;

	for( i = 0, dl = cl_dlights; i < MAX_DLIGHTS; i++, dl++ )
	{
		if( !dl->radius ) continue;

		dl->radius -= time * dl->decay;
		if( dl->radius < 0 ) dl->radius = 0;

		if( dl->die < cl.time || !dl->radius )
			memset( dl, 0, sizeof( *dl ));
	}

	for( i = 0, dl = cl_elights; i < MAX_ELIGHTS; i++, dl++ )
	{
		if( !dl->radius ) continue;

		dl->radius -= time * dl->decay;
		if( dl->radius < 0 ) dl->radius = 0;

		if( dl->die < cl.time || !dl->radius )
			memset( dl, 0, sizeof( *dl ));
	}
}

dlight_t *CL_GetDynamicLight( int number )
{
	Assert( number >= 0 && number < MAX_DLIGHTS );
	return &cl_dlights[number];
}

dlight_t *CL_GetEntityLight( int number )
{
	Assert( number >= 0 && number < MAX_ELIGHTS );
	return &cl_elights[number];
}

/*
================
CL_UpdateFlashlight

update client flashlight
================
*/
void CL_UpdateFlashlight( cl_entity_t *ent )
{
	vec3_t		forward, view_ofs;
	vec3_t		vecSrc, vecEnd;
	float		falloff;
	pmtrace_t		*trace;
	cl_entity_t	*hit;
	dlight_t		*dl;

	if( ent->index == ( cl.playernum + 1 ))
	{
		// local player case
		AngleVectors( cl.viewangles, forward, NULL, NULL );
		VectorCopy( cl.viewheight, view_ofs );
	}
	else	// non-local player case
	{
		vec3_t	v_angle;

		// NOTE: pitch divided by 3.0 twice. So we need apply 3^2 = 9
		v_angle[PITCH] = ent->curstate.angles[PITCH] * 9.0f;
		v_angle[YAW] = ent->angles[YAW];
		v_angle[ROLL] = 0.0f; // roll not used

		AngleVectors( v_angle, forward, NULL, NULL );
		view_ofs[0] = view_ofs[1] = 0.0f;

		// FIXME: these values are hardcoded ...
		if( ent->curstate.usehull == 1 )
			view_ofs[2] = 12.0f;	// VEC_DUCK_VIEW;
		else view_ofs[2] = 28.0f;		// DEFAULT_VIEWHEIGHT
	}

	VectorAdd( ent->origin, view_ofs, vecSrc );
	VectorMA( vecSrc, FLASHLIGHT_DISTANCE, forward, vecEnd );

	trace = CL_VisTraceLine( vecSrc, vecEnd, PM_STUDIO_BOX );

	// update flashlight endpos
	dl = CL_AllocDlight( ent->index );
#if 1
	hit = CL_GetEntityByIndex( clgame.pmove->visents[trace->ent].info );
	if( hit && hit->model && ( hit->model->type == mod_alias || hit->model->type == mod_studio ))
		VectorCopy( hit->origin, dl->origin );
	else VectorCopy( trace->endpos, dl->origin );
#else
	VectorCopy( trace->endpos, dl->origin );
#endif
	// compute falloff
	falloff = trace->fraction * FLASHLIGHT_DISTANCE;
	if( falloff < 500.0f ) falloff = 1.0f;
	else falloff = 500.0f / falloff;
	falloff *= falloff;

	// apply brigthness to dlight
	dl->color.r = bound( 0, falloff * 255, 255 );
	dl->color.g = bound( 0, falloff * 255, 255 );
	dl->color.b = bound( 0, falloff * 255, 255 );
	dl->die = cl.time + 0.01f; // die on next frame
	dl->radius = 80;
}

/*
================
CL_AddEntityEffects

apply various effects to entity origin or attachment
================
*/
void CL_AddEntityEffects( cl_entity_t *ent )
{
	// yellow flies effect 'monster stuck in the wall'
	if( FBitSet( ent->curstate.effects, EF_BRIGHTFIELD ))
		R_EntityParticles( ent );

	if( FBitSet( ent->curstate.effects, EF_DIMLIGHT ))
	{
		if( ent->player && !Host_IsQuakeCompatible( ))
		{
			CL_UpdateFlashlight( ent );
		}
		else
		{
			dlight_t	*dl = CL_AllocDlight( ent->index );
			dl->color.r = dl->color.g = dl->color.b = 100;
			dl->radius = COM_RandomFloat( 200, 231 );
			VectorCopy( ent->origin, dl->origin );
			dl->die = cl.time + 0.001;
		}
	}

	if( FBitSet( ent->curstate.effects, EF_BRIGHTLIGHT ))
	{
		dlight_t	*dl = CL_AllocDlight( ent->index );
		dl->color.r = dl->color.g = dl->color.b = 250;
		if( ent->player ) dl->radius = 400; // don't flickering
		else dl->radius = COM_RandomFloat( 400, 431 );
		VectorCopy( ent->origin, dl->origin );
		dl->die = cl.time + 0.001;
		dl->origin[2] += 16.0f;
	}

	// add light effect
	if( FBitSet( ent->curstate.effects, EF_LIGHT ))
	{
		dlight_t	*dl = CL_AllocDlight( ent->index );
		dl->color.r = dl->color.g = dl->color.b = 100;
		VectorCopy( ent->origin, dl->origin );
		R_RocketFlare( ent->origin );
		dl->die = cl.time + 0.001;
		dl->radius = 200;
	}

	// studio models are handle muzzleflashes difference
	if( FBitSet( ent->curstate.effects, EF_MUZZLEFLASH ) && Mod_AliasExtradata( ent->model ))
	{
		dlight_t	*dl = CL_AllocDlight( ent->index );
		vec3_t	fv;

		ClearBits( ent->curstate.effects, EF_MUZZLEFLASH );
		dl->color.r = dl->color.g = dl->color.b = 100;
		VectorCopy( ent->origin, dl->origin );
		AngleVectors( ent->angles, fv, NULL, NULL );
		dl->origin[2] += 16.0f;
		VectorMA( dl->origin, 18, fv, dl->origin );
		dl->radius = COM_RandomFloat( 200, 231 );
		dl->die = cl.time + 0.1;
		dl->minlight = 32;
	}
}

/*
================
CL_AddModelEffects

these effects will be enable by flag in model header
================
*/
void CL_AddModelEffects( cl_entity_t *ent )
{
	vec3_t	neworigin;
	vec3_t	oldorigin;

	if( !ent->model ) return;

	switch( ent->model->type )
	{
	case mod_alias:
	case mod_studio:
		break;
	default:	return;
	}

	if( cls.demoplayback == DEMO_QUAKE1 )
	{
		VectorCopy( ent->baseline.vuser1, oldorigin );
		VectorCopy( ent->origin, ent->baseline.vuser1 );
		VectorCopy( ent->origin, neworigin );
	}
	else
	{
		VectorCopy( ent->prevstate.origin, oldorigin );
		VectorCopy( ent->curstate.origin, neworigin );
	}

	// NOTE: this completely over control about angles and don't broke interpolation
	if( FBitSet( ent->model->flags, STUDIO_ROTATE ))
		ent->angles[1] = anglemod( 100.0f * cl.time );

	if( FBitSet( ent->model->flags, STUDIO_GIB ))
		R_RocketTrail( oldorigin, neworigin, 2 );

	if( FBitSet( ent->model->flags, STUDIO_ZOMGIB ))
		R_RocketTrail( oldorigin, neworigin, 4 );

	if( FBitSet( ent->model->flags, STUDIO_TRACER ))
		R_RocketTrail( oldorigin, neworigin, 3 );

	if( FBitSet( ent->model->flags, STUDIO_TRACER2 ))
		R_RocketTrail( oldorigin, neworigin, 5 );

	if( FBitSet( ent->model->flags, STUDIO_ROCKET ))
	{
		dlight_t	*dl = CL_AllocDlight( ent->index );

		dl->color.r = dl->color.g = dl->color.b = 200;
		VectorCopy( ent->origin, dl->origin );

		// XASH SPECIFIC: get radius from head entity
		if( ent->curstate.rendermode != kRenderNormal )
			dl->radius = Q_max( 0, ent->curstate.renderamt - 55 );
		else dl->radius = 200;

		dl->die = cl.time + 0.01f;

		R_RocketTrail( oldorigin, neworigin, 0 );
	}

	if( FBitSet( ent->model->flags, STUDIO_GRENADE ))
		R_RocketTrail( oldorigin, neworigin, 1 );

	if( FBitSet( ent->model->flags, STUDIO_TRACER3 ))
		R_RocketTrail( oldorigin, neworigin, 6 );
}

/*
================
CL_TestLights

if cl_testlights is set, create 32 lights models
================
*/
void CL_TestLights( void )
{
	int	i, j, numLights;
	vec3_t	forward, right;
	float	f, r;
	dlight_t	*dl;

	if( !CVAR_TO_BOOL( cl_testlights ))
		return;

	numLights = bound( 1, cl_testlights->value, MAX_DLIGHTS );
	AngleVectors( cl.viewangles, forward, right, NULL );

	for( i = 0; i < numLights; i++ )
	{
		dl = &cl_dlights[i];

		r = 64 * ((i % 4) - 1.5f );
		f = 64 * ( i / 4) + 128;

		for( j = 0; j < 3; j++ )
			dl->origin[j] = cl.simorg[j] + forward[j] * f + right[j] * r;

		dl->color.r = ((((i % 6) + 1) & 1)>>0) * 255;
		dl->color.g = ((((i % 6) + 1) & 2)>>1) * 255;
		dl->color.b = ((((i % 6) + 1) & 4)>>2) * 255;
		dl->radius = Q_max( 64, 200 - 5 * numLights );
		dl->die = cl.time + host.frametime;
	}
}

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

DECAL MANAGEMENT

==============================================================
*/
/*
===============
CL_FireCustomDecal

custom temporary decal
===============
*/
void GAME_EXPORT CL_FireCustomDecal( int textureIndex, int entityIndex, int modelIndex, float *pos, int flags, float scale )
{
	ref.dllFuncs.R_DecalShoot( textureIndex, entityIndex, modelIndex, pos, flags, scale );
}

/*
===============
CL_DecalShoot

normal temporary decal
===============
*/
void GAME_EXPORT CL_DecalShoot( int textureIndex, int entityIndex, int modelIndex, float *pos, int flags )
{
	CL_FireCustomDecal( textureIndex, entityIndex, modelIndex, pos, flags, 1.0f );
}

/*
===============
CL_PlayerDecal

spray custom colored decal (clan logo etc)
===============
*/
void CL_PlayerDecal( int playernum, int customIndex, int entityIndex, float *pos )
{
	int		textureIndex = 0;
	customization_t	*pCust = NULL;

	if( playernum < MAX_CLIENTS )
		pCust = cl.players[playernum].customdata.pNext;

	if( pCust != NULL && pCust->pBuffer != NULL && pCust->pInfo != NULL )
	{
		if( FBitSet( pCust->resource.ucFlags, RES_CUSTOM ) && pCust->resource.type == t_decal && pCust->bTranslated )
		{
			if( !pCust->nUserData1 && pCust->pInfo != NULL )
			{
				const char *decalname = va( "player%dlogo%d", playernum, customIndex );
				pCust->nUserData1 = GL_LoadTextureInternal( decalname, pCust->pInfo, TF_DECAL );
			}
			textureIndex = pCust->nUserData1;
		}
	}

	CL_DecalShoot( textureIndex, entityIndex, 0, pos, FDECAL_CUSTOM );
}

/*
===============
CL_DecalIndexFromName

get decal global index from decalname
===============
*/
int GAME_EXPORT CL_DecalIndexFromName( const char *name )
{
	int	i;

	if( !COM_CheckString( name ))
		return 0;

	// look through the loaded sprite name list for SpriteName
	for( i = 1; i < MAX_DECALS && host.draw_decals[i][0]; i++ )
	{
		if( !Q_stricmp( name, host.draw_decals[i] ))
			return i;
	}
	return 0; // invalid decal
}

/*
===============
CL_DecalIndex

get texture index from decal global index
===============
*/
int GAME_EXPORT CL_DecalIndex( int id )
{
	id = bound( 0, id, MAX_DECALS - 1 );

	if( cl.decal_index[id] == 0 )
	{
		Image_SetForceFlags( IL_LOAD_DECAL );
		cl.decal_index[id] = ref.dllFuncs.GL_LoadTexture( host.draw_decals[id], NULL, 0, TF_DECAL );
		Image_ClearForceFlags();
	}

	return cl.decal_index[id];
}

/*
===============
CL_DecalRemoveAll

remove all decals with specified texture
===============
*/
void GAME_EXPORT CL_DecalRemoveAll( int textureIndex )
{
	int id = bound( 0, textureIndex, MAX_DECALS - 1 );
	ref.dllFuncs.R_DecalRemoveAll( cl.decal_index[id] );
}

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

EFRAGS MANAGEMENT

==============================================================
*/
efrag_t	cl_efrags[MAX_EFRAGS];

/*
==============
CL_ClearEfrags
==============
*/
void CL_ClearEfrags( void )
{
	int	i;

	memset( cl_efrags, 0, sizeof( cl_efrags ));

	// allocate the efrags and chain together into a free list
	clgame.free_efrags = cl_efrags;
	for( i = 0; i < MAX_EFRAGS - 1; i++ )
		clgame.free_efrags[i].entnext = &clgame.free_efrags[i+1];
	clgame.free_efrags[i].entnext = NULL;
}

/*
=======================
R_ClearStaticEntities

e.g. by demo request
=======================
*/
void CL_ClearStaticEntities( void )
{
	int	i;

	if( host.type == HOST_DEDICATED )
		return;

	// clear out efrags in case the level hasn't been reloaded
	for( i = 0; i < cl.worldmodel->numleafs; i++ )
		cl.worldmodel->leafs[i+1].efrags = NULL;

	clgame.numStatics = 0;

	CL_ClearEfrags ();
}

/*
==============
CL_ClearEffects
==============
*/
void CL_ClearEffects( void )
{
	CL_ClearEfrags ();
	CL_ClearDlights ();
	CL_ClearTempEnts ();
	CL_ClearViewBeams ();
	CL_ClearParticles ();
	CL_ClearLightStyles ();
}