/***
*
*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
*	
*	This product contains software technology licensed from Id 
*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
*	All Rights Reserved.
*
*   Use, distribution, and modification of this source code and/or resulting
*   object code is restricted to non-commercial enhancements to products from
*   Valve LLC.  All other use, distribution, or modification is prohibited
*   without written permission from Valve LLC.
*
****/

#include "hud.h"
#include "cl_util.h"
#include "const.h"
#include "entity_state.h"
#include "cl_entity.h"
#include "entity_types.h"
#include "usercmd.h"
#include "pm_defs.h"
#include "pm_materials.h"

#include "eventscripts.h"
#include "ev_hldm.h"

#include "r_efx.h"
#include "event_api.h"
#include "event_args.h"
#include "in_defs.h"

#include <string.h>

#include "r_studioint.h"
#include "com_model.h"

extern engine_studio_api_t IEngineStudio;

static int g_tracerCount[32];

extern "C" char PM_FindTextureType( char *name );

void V_PunchAxis( int axis, float punch );
void VectorAngles( const float *forward, float *angles );

extern cvar_t *cl_lw;

extern "C"
{
// HLDM
void EV_FireGlock1( struct event_args_s *args );
void EV_FireShotGunSingle( struct event_args_s *args );
void EV_FireMP5( struct event_args_s *args );
void EV_FireMP52( struct event_args_s *args );
void EV_Crowbar( struct event_args_s *args );
void EV_FireCrossbow( struct event_args_s *args );
void EV_FireCrossbow2( struct event_args_s *args );
void EV_FireRpg( struct event_args_s *args );
void EV_TripmineFire( struct event_args_s *args );
void EV_SnarkFire( struct event_args_s *args );

void EV_TrainPitchAdjust( struct event_args_s *args );

void EV_FireAK47( struct event_args_s *args );
void EV_FireMac10( struct event_args_s *args );
}

#define VECTOR_CONE_1DEGREES Vector( 0.00873, 0.00873, 0.00873 )
#define VECTOR_CONE_2DEGREES Vector( 0.01745, 0.01745, 0.01745 )
#define VECTOR_CONE_3DEGREES Vector( 0.02618, 0.02618, 0.02618 )
#define VECTOR_CONE_4DEGREES Vector( 0.03490, 0.03490, 0.03490 )
#define VECTOR_CONE_5DEGREES Vector( 0.04362, 0.04362, 0.04362 )
#define VECTOR_CONE_6DEGREES Vector( 0.05234, 0.05234, 0.05234 )
#define VECTOR_CONE_7DEGREES Vector( 0.06105, 0.06105, 0.06105 )	
#define VECTOR_CONE_8DEGREES Vector( 0.06976, 0.06976, 0.06976 )
#define VECTOR_CONE_9DEGREES Vector( 0.07846, 0.07846, 0.07846 )
#define VECTOR_CONE_10DEGREES Vector( 0.08716, 0.08716, 0.08716 )
#define VECTOR_CONE_15DEGREES Vector( 0.13053, 0.13053, 0.13053 )
#define VECTOR_CONE_20DEGREES Vector( 0.17365, 0.17365, 0.17365 )

// play a strike sound based on the texture that was hit by the attack traceline.  VecSrc/VecEnd are the
// original traceline endpoints used by the attacker, iBulletType is the type of bullet that hit the texture.
// returns volume of strike instrument (crowbar) to play
float EV_HLDM_PlayTextureSound( int idx, pmtrace_t *ptr, float *vecSrc, float *vecEnd, int iBulletType )
{
	// hit the world, try to play sound based on texture material type
	char chTextureType = CHAR_TEX_CONCRETE;
	float fvol;
	float fvolbar;
	const char *rgsz[4];
	int cnt;
	float fattn = ATTN_NORM;
	int entity;
	char *pTextureName;
	char texname[64];
	char szbuffer[64];

	entity = gEngfuncs.pEventAPI->EV_IndexFromTrace( ptr );

	// FIXME check if playtexture sounds movevar is set
	//
	chTextureType = 0;

	// Player
	if( entity >= 1 && entity <= gEngfuncs.GetMaxClients() )
	{
		// hit body
		chTextureType = CHAR_TEX_FLESH;
	}
	else if( entity == 0 )
	{
		// get texture from entity or world (world is ent(0))
		pTextureName = (char *)gEngfuncs.pEventAPI->EV_TraceTexture( ptr->ent, vecSrc, vecEnd );

		if ( pTextureName )
		{
			strcpy( texname, pTextureName );
			pTextureName = texname;

			// strip leading '-0' or '+0~' or '{' or '!'
			if( *pTextureName == '-' || *pTextureName == '+' )
			{
				pTextureName += 2;
			}

			if( *pTextureName == '{' || *pTextureName == '!' || *pTextureName == '~' || *pTextureName == ' ' )
			{
				pTextureName++;
			}

			// '}}'
			strcpy( szbuffer, pTextureName );
			szbuffer[CBTEXTURENAMEMAX - 1] = 0;

			// get texture type
			chTextureType = PM_FindTextureType( szbuffer );
		}
	}
	
	switch (chTextureType)
	{
	default:
	case CHAR_TEX_CONCRETE:
		fvol = 0.9;
		fvolbar = 0.6;
		rgsz[0] = "player/pl_step1.wav";
		rgsz[1] = "player/pl_step2.wav";
		cnt = 2;
		break;
	case CHAR_TEX_METAL:
		fvol = 0.9;
		fvolbar = 0.3;
		rgsz[0] = "player/pl_metal1.wav";
		rgsz[1] = "player/pl_metal2.wav";
		cnt = 2;
		break;
	case CHAR_TEX_DIRT:
		fvol = 0.9;
		fvolbar = 0.1;
		rgsz[0] = "player/pl_dirt1.wav";
		rgsz[1] = "player/pl_dirt2.wav";
		rgsz[2] = "player/pl_dirt3.wav";
		cnt = 3;
		break;
	case CHAR_TEX_VENT:
		fvol = 0.5;
		fvolbar = 0.3;
		rgsz[0] = "player/pl_duct1.wav";
		rgsz[1] = "player/pl_duct1.wav";
		cnt = 2;
		break;
	case CHAR_TEX_GRATE:
		fvol = 0.9;
		fvolbar = 0.5;
		rgsz[0] = "player/pl_grate1.wav";
		rgsz[1] = "player/pl_grate4.wav";
		cnt = 2;
		break;
	case CHAR_TEX_TILE:
		fvol = 0.8;
		fvolbar = 0.2;
		rgsz[0] = "player/pl_tile1.wav";
		rgsz[1] = "player/pl_tile3.wav";
		rgsz[2] = "player/pl_tile2.wav";
		rgsz[3] = "player/pl_tile4.wav";
		cnt = 4;
		break;
	case CHAR_TEX_SLOSH:
		fvol = 0.9;
		fvolbar = 0.0;
		rgsz[0] = "player/pl_slosh1.wav";
		rgsz[1] = "player/pl_slosh3.wav";
		rgsz[2] = "player/pl_slosh2.wav";
		rgsz[3] = "player/pl_slosh4.wav";
		cnt = 4;
		break;
	case CHAR_TEX_WOOD:
		fvol = 0.9;
		fvolbar = 0.2;
		rgsz[0] = "debris/wood1.wav";
		rgsz[1] = "debris/wood2.wav";
		rgsz[2] = "debris/wood3.wav";
		cnt = 3;
		break;
	case CHAR_TEX_GLASS:
	case CHAR_TEX_COMPUTER:
		fvol = 0.8;
		fvolbar = 0.2;
		rgsz[0] = "debris/glass1.wav";
		rgsz[1] = "debris/glass2.wav";
		rgsz[2] = "debris/glass3.wav";
		cnt = 3;
		break;
	case CHAR_TEX_FLESH:
		if( iBulletType == BULLET_PLAYER_CROWBAR )
			return 0.0; // crowbar already makes this sound
		fvol = 1.0;
		fvolbar = 0.2;
		rgsz[0] = "weapons/bullet_hit1.wav";
		rgsz[1] = "weapons/bullet_hit2.wav";
		fattn = 1.0;
		cnt = 2;
		break;
	}

	// play material hit sound
	gEngfuncs.pEventAPI->EV_PlaySound( 0, ptr->endpos, CHAN_STATIC, rgsz[gEngfuncs.pfnRandomLong( 0, cnt - 1 )], fvol, fattn, 0, 96 + gEngfuncs.pfnRandomLong( 0, 0xf ) );
	return fvolbar;
}

char *EV_HLDM_DamageDecal( physent_t *pe )
{
	static char decalname[32];
	int idx;

	if( pe->classnumber == 1 )
	{
		idx = gEngfuncs.pfnRandomLong( 0, 2 );
		sprintf( decalname, "{break%i", idx + 1 );
	}
	else if( pe->rendermode != kRenderNormal )
	{
		sprintf( decalname, "{bproof1" );
	}
	else
	{
		idx = gEngfuncs.pfnRandomLong( 0, 4 );
		sprintf( decalname, "{shot%i", idx + 1 );
	}
	return decalname;
}

//=====================
// EV_WallPuffCallback
//=====================
void EV_WallPuffCallback( struct tempent_s *ent, float frametime, float currenttime )
{
	ent->entity.angles = ent->entity.baseline.vuser1;
}

void EV_HLDM_GunshotDecalTrace( pmtrace_t *pTrace, char *decalName )
{
	int iRand;
	physent_t *pe;

	gEngfuncs.pEfxAPI->R_BulletImpactParticles( pTrace->endpos );

	iRand = gEngfuncs.pfnRandomLong( 0, 0x7FFF );
	if( iRand < ( 0x7fff / 2 ) )// not every bullet makes a sound.
	{
		switch( iRand % 5 )
		{
		case 0:
			gEngfuncs.pEventAPI->EV_PlaySound( -1, pTrace->endpos, 0, "weapons/ric1.wav", 1.0, ATTN_NORM, 0, PITCH_NORM );
			break;
		case 1:
			gEngfuncs.pEventAPI->EV_PlaySound( -1, pTrace->endpos, 0, "weapons/ric2.wav", 1.0, ATTN_NORM, 0, PITCH_NORM );
			break;
		case 2:
			gEngfuncs.pEventAPI->EV_PlaySound( -1, pTrace->endpos, 0, "weapons/ric3.wav", 1.0, ATTN_NORM, 0, PITCH_NORM );
			break;
		case 3:
			gEngfuncs.pEventAPI->EV_PlaySound( -1, pTrace->endpos, 0, "weapons/ric4.wav", 1.0, ATTN_NORM, 0, PITCH_NORM );
			break;
		case 4:
			gEngfuncs.pEventAPI->EV_PlaySound( -1, pTrace->endpos, 0, "weapons/ric5.wav", 1.0, ATTN_NORM, 0, PITCH_NORM );
			break;
		}
	}

	pe = gEngfuncs.pEventAPI->EV_GetPhysent( pTrace->ent );

	// Only decal brush models such as the world etc.
	if(  decalName && decalName[0] && pe && ( pe->solid == SOLID_BSP || pe->movetype == MOVETYPE_PUSHSTEP ) )
	{
		if( CVAR_GET_FLOAT( "r_decals" ) )
		{
			gEngfuncs.pEfxAPI->R_DecalShoot(
				gEngfuncs.pEfxAPI->Draw_DecalIndex( gEngfuncs.pEfxAPI->Draw_DecalIndexFromName( decalName ) ),
				gEngfuncs.pEventAPI->EV_IndexFromTrace( pTrace ), 0, pTrace->endpos, 0 );

			//
			// Spawn small smoke puffs at the trace end location.
			//
			int modelindex = gEngfuncs.pEventAPI->EV_FindModelIndex( "sprites/wallsmoke.spr" );
			Vector position = pTrace->endpos + pTrace->plane.normal * 2;
			Vector velocity = pTrace->plane.normal * gEngfuncs.pfnRandomFloat( 8, 10 );

			TEMPENTITY* pSmoke = gEngfuncs.pEfxAPI->R_TempSprite(
				position, 				// position
				velocity,				// velocity
				0.4, // scale
				modelindex, 				// model index
				kRenderNormal, 				// rendermode
				kRenderFxNoDissipation, 		// renderfx
				1.0, 	// alpha
				0.3, 					// life
				FTENT_SPRCYCLE | FTENT_FADEOUT);	// flags

			if( pSmoke )
			{
				Vector angles;
				VectorAngles( velocity, angles );

				pSmoke->flags |= FTENT_CLIENTCUSTOM;
				pSmoke->entity.curstate.framerate = 4;
				pSmoke->entity.baseline.vuser1 = angles;
				pSmoke->callback = EV_WallPuffCallback;
			}
		}
	}
}

void EV_HLDM_DecalGunshot( pmtrace_t *pTrace, int iBulletType )
{
	physent_t *pe;

	pe = gEngfuncs.pEventAPI->EV_GetPhysent( pTrace->ent );

	if( pe && ( pe->solid == SOLID_BSP || pe->movetype == MOVETYPE_PUSHSTEP ) )
	{
		switch( iBulletType )
		{
		case BULLET_PLAYER_9MM:
		case BULLET_MONSTER_9MM:
		case BULLET_PLAYER_MP5:
		case BULLET_MONSTER_MP5:
		case BULLET_PLAYER_BUCKSHOT:
		case BULLET_PLAYER_357:
		case BULLET_PLAYER_AK47:
		case BULLET_MONSTER_AK47:
		case BULLET_MONSTER_HVMG:
		case BULLET_PLAYER_MAC10:
		case BULLET_MONSTER_MAC10:
		case BULLET_PLAYER_SNIPER:
		default:
			// smoke and decal
			EV_HLDM_GunshotDecalTrace( pTrace, EV_HLDM_DamageDecal( pe ) );
			break;
		}
	}
}

int EV_HLDM_CheckTracer( int idx, float *vecSrc, float *end, float *forward, float *right, int iBulletType, int iTracerFreq, int *tracerCount )
{
	int tracer = 0;
	int i;
	qboolean player = idx >= 1 && idx <= gEngfuncs.GetMaxClients() ? true : false;

	if( iTracerFreq != 0 && ( (*tracerCount)++ % iTracerFreq ) == 0 )
	{
		vec3_t vecTracerSrc;

		if( player )
		{
			vec3_t offset( 0, 0, -4 );

			// adjust tracer position for player
			for( i = 0; i < 3; i++ )
			{
				vecTracerSrc[i] = vecSrc[i] + offset[i] + right[i] * 2 + forward[i] * 16;
			}
		}
		else
		{
			VectorCopy( vecSrc, vecTracerSrc );
		}

		if( iTracerFreq != 1 )		// guns that always trace also always decal
			tracer = 1;

		switch( iBulletType )
		{
		case BULLET_PLAYER_MP5:
		case BULLET_MONSTER_MP5:
		case BULLET_MONSTER_9MM:
		case BULLET_MONSTER_12MM:
		case BULLET_PLAYER_AK47:
		case BULLET_MONSTER_AK47:
		case BULLET_MONSTER_HVMG:
		case BULLET_MONSTER_MAC10:
		default:
			EV_CreateTracer( vecTracerSrc, end );
			break;
		}
	}

	return tracer;
}

/*
================
FireBullets

Go to the trouble of combining multiple pellets into a single damage call.
================
*/
void EV_HLDM_FireBullets( int idx, float *forward, float *right, float *up, int cShots, float *vecSrc, float *vecDirShooting, float flDistance, int iBulletType, int iTracerFreq, int *tracerCount, float flSpreadX, float flSpreadY )
{
	int i;
	pmtrace_t tr;
	int iShot;
	int tracer;

	for( iShot = 1; iShot <= cShots; iShot++ )	
	{
		vec3_t vecDir, vecEnd;
		float x, y, z;

		//We randomize for the Shotgun.
		if( iBulletType == BULLET_PLAYER_BUCKSHOT )
		{
			do{
				x = gEngfuncs.pfnRandomFloat( -0.5, 0.5 ) + gEngfuncs.pfnRandomFloat( -0.5, 0.5 );
				y = gEngfuncs.pfnRandomFloat( -0.5, 0.5 ) + gEngfuncs.pfnRandomFloat( -0.5, 0.5 );
				z = x * x + y * y;
			}while( z > 1 );

			for( i = 0 ; i < 3; i++ )
			{
				vecDir[i] = vecDirShooting[i] + x * flSpreadX * right[i] + y * flSpreadY * up [i];
				vecEnd[i] = vecSrc[i] + flDistance * vecDir[i];
			}
		}//But other guns already have their spread randomized in the synched spread.
		else
		{
			for( i = 0 ; i < 3; i++ )
			{
				vecDir[i] = vecDirShooting[i] + flSpreadX * right[i] + flSpreadY * up [i];
				vecEnd[i] = vecSrc[i] + flDistance * vecDir[i];
			}
		}

		gEngfuncs.pEventAPI->EV_SetUpPlayerPrediction( false, true );

		// Store off the old count
		gEngfuncs.pEventAPI->EV_PushPMStates();

		// Now add in all of the players.
		gEngfuncs.pEventAPI->EV_SetSolidPlayers( idx - 1 );	

		gEngfuncs.pEventAPI->EV_SetTraceHull( 2 );
		gEngfuncs.pEventAPI->EV_PlayerTrace( vecSrc, vecEnd, PM_STUDIO_BOX, -1, &tr );

		tracer = EV_HLDM_CheckTracer( idx, vecSrc, tr.endpos, forward, right, iBulletType, iTracerFreq, tracerCount );

		// do damage, paint decals
		if( tr.fraction != 1.0 )
		{
			switch( iBulletType )
			{
			default:
			case BULLET_PLAYER_9MM:
				EV_HLDM_PlayTextureSound( idx, &tr, vecSrc, vecEnd, iBulletType );
				EV_HLDM_DecalGunshot( &tr, iBulletType );
				break;
			case BULLET_PLAYER_MP5:
			case BULLET_PLAYER_AK47:
			case BULLET_PLAYER_MAC10:
				if( !tracer )
				{
					EV_HLDM_PlayTextureSound( idx, &tr, vecSrc, vecEnd, iBulletType );
					EV_HLDM_DecalGunshot( &tr, iBulletType );
				}
				break;
			case BULLET_PLAYER_BUCKSHOT:
				EV_HLDM_DecalGunshot( &tr, iBulletType );
				break;
			case BULLET_PLAYER_357:
			case BULLET_PLAYER_SNIPER:
				EV_HLDM_PlayTextureSound( idx, &tr, vecSrc, vecEnd, iBulletType );
				EV_HLDM_DecalGunshot( &tr, iBulletType );
				break;
			}
		}

		gEngfuncs.pEventAPI->EV_PopPMStates();
	}
}

//======================
//	    GLOCK START
//======================
void EV_FireGlock1( event_args_t *args )
{
	int idx;
	vec3_t origin;
	vec3_t angles;
	vec3_t velocity;
	int empty;

	vec3_t ShellVelocity;
	vec3_t ShellOrigin;
	int shell;
	vec3_t vecSrc, vecAiming;
	vec3_t up, right, forward;

	idx = args->entindex;
	VectorCopy( args->origin, origin );
	VectorCopy( args->angles, angles );
	VectorCopy( args->velocity, velocity );

	empty = args->bparam1;
	AngleVectors( angles, forward, right, up );

	shell = gEngfuncs.pEventAPI->EV_FindModelIndex( "models/shell.mdl" );// brass shell

	if( EV_IsLocal( idx ) )
	{
		EV_MuzzleFlash();
		gEngfuncs.pEventAPI->EV_WeaponAnimation( empty ? GLOCK_SHOOT_EMPTY : GLOCK_SHOOT, 2 );

		V_PunchAxis( 0, -2.6 );
		V_PunchAxis( 1, gEngfuncs.pfnRandomFloat( -0.7, 0.7 ) );
	}

	EV_GetDefaultShellInfo( args, origin, velocity, ShellVelocity, ShellOrigin, forward, right, up, 20, -12, 4 );

	EV_EjectBrass( ShellOrigin, ShellVelocity, angles[YAW], shell, TE_BOUNCE_SHELL );

	gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_WEAPON, "weapons/pl_gun3.wav", gEngfuncs.pfnRandomFloat( 0.92, 1.0 ), ATTN_NORM, 0, 98 + gEngfuncs.pfnRandomLong( 0, 3 ) );

	EV_GetGunPosition( args, vecSrc, origin );

	VectorCopy( forward, vecAiming );

	EV_HLDM_FireBullets( idx, forward, right, up, 1, vecSrc, vecAiming, 8192, BULLET_PLAYER_9MM, 0, 0, args->fparam1, args->fparam2 );
}
//======================
//	   GLOCK END
//======================

//======================
//	  SHOTGUN START
//======================
void EV_FireShotGunSingle( event_args_t *args )
{
	int idx;
	vec3_t origin;
	vec3_t angles;
	vec3_t velocity;

	vec3_t ShellVelocity;
	vec3_t ShellOrigin;
	int shell;
	vec3_t vecSrc, vecAiming;
	vec3_t vecSpread;
	vec3_t up, right, forward;
	//float flSpread = 0.01;

	idx = args->entindex;
	VectorCopy( args->origin, origin );
	VectorCopy( args->angles, angles );
	VectorCopy( args->velocity, velocity );

	AngleVectors( angles, forward, right, up );

	shell = gEngfuncs.pEventAPI->EV_FindModelIndex("models/shotgunshell.mdl");// brass shell

	if( EV_IsLocal( idx ) )
	{
		// Add muzzle flash to current weapon model
		EV_MuzzleFlash();
		gEngfuncs.pEventAPI->EV_WeaponAnimation( SHOTGUN_FIRE, 2 );

		V_PunchAxis( 0, -6.0 );
		V_PunchAxis( 1, gEngfuncs.pfnRandomFloat( -2, 2 ) );
	}

	EV_GetDefaultShellInfo( args, origin, velocity, ShellVelocity, ShellOrigin, forward, right, up, 32, -12, 6 );

	EV_EjectBrass ( ShellOrigin, ShellVelocity, angles[YAW], shell, TE_BOUNCE_SHOTSHELL ); 

	gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_WEAPON, "weapons/sbarrel1.wav", gEngfuncs.pfnRandomFloat( 0.95, 1.0 ), ATTN_NORM, 0, 85 + gEngfuncs.pfnRandomLong( 0, 31 ) );

	EV_GetGunPosition( args, vecSrc, origin );
	VectorCopy( forward, vecAiming );

	EV_HLDM_FireBullets( idx, forward, right, up, 16, vecSrc, vecAiming, 2048, BULLET_PLAYER_BUCKSHOT, 0, &g_tracerCount[idx - 1], 0.08716, 0.04362 );
}
//======================
//	   SHOTGUN END
//======================

//======================
//	    MP5 START
//======================
void EV_FireMP5( event_args_t *args )
{
	int idx;
	vec3_t origin;
	vec3_t angles;
	vec3_t velocity;

	vec3_t ShellVelocity;
	vec3_t ShellOrigin;
	int shell;
	vec3_t vecSrc, vecAiming;
	vec3_t up, right, forward;
	//float flSpread = 0.01;

	idx = args->entindex;
	VectorCopy( args->origin, origin );
	VectorCopy( args->angles, angles );
	VectorCopy( args->velocity, velocity );

	AngleVectors( angles, forward, right, up );

	shell = gEngfuncs.pEventAPI->EV_FindModelIndex("models/shell.mdl");// brass shell

	if( EV_IsLocal( idx ) )
	{
		// Add muzzle flash to current weapon model
		EV_MuzzleFlash();
		gEngfuncs.pEventAPI->EV_WeaponAnimation( MP5_FIRE1 + gEngfuncs.pfnRandomLong( 0, 2 ), 2 );

		V_PunchAxis( 0, gEngfuncs.pfnRandomFloat( -1.7, -2.3 ) );
		V_PunchAxis( 1, gEngfuncs.pfnRandomFloat( -1, 1 ) );
	}

	EV_GetDefaultShellInfo( args, origin, velocity, ShellVelocity, ShellOrigin, forward, right, up, 20, -12, 4 );

	EV_EjectBrass ( ShellOrigin, ShellVelocity, angles[YAW], shell, TE_BOUNCE_SHELL ); 

	switch( gEngfuncs.pfnRandomLong( 0, 1 ) )
	{
	case 0:
		gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_WEAPON, "weapons/hks1.wav", 1, ATTN_NORM, 0, 94 + gEngfuncs.pfnRandomLong( 0, 0xf ) );
		break;
	case 1:
		gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_WEAPON, "weapons/hks2.wav", 1, ATTN_NORM, 0, 94 + gEngfuncs.pfnRandomLong( 0, 0xf ) );
		break;
	}

	EV_GetGunPosition( args, vecSrc, origin );
	VectorCopy( forward, vecAiming );

	EV_HLDM_FireBullets( idx, forward, right, up, 1, vecSrc, vecAiming, 8192, BULLET_PLAYER_MP5, 0, &g_tracerCount[idx - 1], args->fparam1, args->fparam2 );
}

// We only predict the animation and sound
// The grenade is still launched from the server.
void EV_FireMP52( event_args_t *args )
{
	int idx;
	vec3_t origin;

	idx = args->entindex;
	VectorCopy( args->origin, origin );

	if( EV_IsLocal( idx ) )
	{
		gEngfuncs.pEventAPI->EV_WeaponAnimation( MP5_LAUNCH, 2 );
		V_PunchAxis( 0, -8 );
	}

	switch( gEngfuncs.pfnRandomLong( 0, 1 ) )
	{
	case 0:
		gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_WEAPON, "weapons/glauncher.wav", 1, ATTN_NORM, 0, 94 + gEngfuncs.pfnRandomLong( 0, 0xf ) );
		break;
	case 1:
		gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_WEAPON, "weapons/glauncher2.wav", 1, ATTN_NORM, 0, 94 + gEngfuncs.pfnRandomLong( 0, 0xf ) );
		break;
	}
}
//======================
//		 MP5 END
//======================

//======================
//	   CROWBAR START
//======================
enum crowbar_e
{
	CROWBAR_IDLE = 0,
	CROWBAR_DRAW,
	CROWBAR_HOLSTER,
	CROWBAR_ATTACK1HIT,
	CROWBAR_ATTACK1MISS,
	CROWBAR_ATTACK2MISS,
	CROWBAR_ATTACK2HIT,
	CROWBAR_ATTACK3MISS,
#ifndef CROWBAR_IDLE_ANIM
	CROWBAR_ATTACK3HIT
#else
	CROWBAR_ATTACK3HIT,
	CROWBAR_IDLE2,
	CROWBAR_IDLE3
#endif
};

int g_iSwing;

//Only predict the miss sounds, hit sounds are still played 
//server side, so players don't get the wrong idea.
void EV_Crowbar( event_args_t *args )
{
	int idx;
	vec3_t origin;
	vec3_t angles;
	vec3_t velocity;

	idx = args->entindex;
	VectorCopy( args->origin, origin );
	
	//Play Swing sound
	gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_WEAPON, "weapons/cbar_miss1.wav", 1, ATTN_NORM, 0, PITCH_NORM ); 

	if( EV_IsLocal( idx ) )
	{
		switch( (g_iSwing++) % 3 )
		{
			case 0:
				gEngfuncs.pEventAPI->EV_WeaponAnimation( CROWBAR_ATTACK1MISS, 1 );
				break;
			case 1:
				gEngfuncs.pEventAPI->EV_WeaponAnimation( CROWBAR_ATTACK2MISS, 1 );
				break;
			case 2:
				gEngfuncs.pEventAPI->EV_WeaponAnimation( CROWBAR_ATTACK3MISS, 1 );
				break;
		}
	}
}
//======================
//	   CROWBAR END 
//======================

//======================
//	  CROSSBOW START
//======================
enum crossbow_e
{
	CROSSBOW_IDLE1 = 0,	// full
	CROSSBOW_IDLE2,		// empty
	CROSSBOW_FIDGET1,	// full
	CROSSBOW_FIDGET2,	// empty
	CROSSBOW_FIRE1,		// full
	CROSSBOW_FIRE2,		// reload
	CROSSBOW_FIRE3,		// empty
	CROSSBOW_RELOAD,	// from empty
	CROSSBOW_DRAW1,		// full
	CROSSBOW_DRAW2,		// empty
	CROSSBOW_HOLSTER1,	// full
	CROSSBOW_HOLSTER2	// empty
};

//=====================
// EV_BoltCallback
// This function is used to correct the origin and angles 
// of the bolt, so it looks like it's stuck on the wall.
//=====================
void EV_BoltCallback( struct tempent_s *ent, float frametime, float currenttime )
{
	ent->entity.origin = ent->entity.baseline.vuser1;
	ent->entity.angles = ent->entity.baseline.vuser2;
}

void EV_FireCrossbow2( event_args_t *args )
{
	vec3_t vecSrc, vecEnd;
	vec3_t up, right, forward;
	pmtrace_t tr;

	int idx;
	vec3_t origin;
	vec3_t angles;
	vec3_t velocity;

	idx = args->entindex;
	VectorCopy( args->origin, origin );
	VectorCopy( args->angles, angles );

	VectorCopy( args->velocity, velocity );

	AngleVectors( angles, forward, right, up );

	EV_GetGunPosition( args, vecSrc, origin );

	VectorMA( vecSrc, 8192, forward, vecEnd );

	gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_WEAPON, "weapons/xbow_fire1.wav", 1, ATTN_NORM, 0, 93 + gEngfuncs.pfnRandomLong( 0, 0xF ) );
	gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_ITEM, "weapons/xbow_reload1.wav", gEngfuncs.pfnRandomFloat( 0.95, 1.0 ), ATTN_NORM, 0, 93 + gEngfuncs.pfnRandomLong( 0, 0xF ) );

	if( EV_IsLocal( idx ) )
	{
		if( args->iparam1 )
			gEngfuncs.pEventAPI->EV_WeaponAnimation( CROSSBOW_FIRE1, 1 );
		else if( args->iparam2 )
			gEngfuncs.pEventAPI->EV_WeaponAnimation( CROSSBOW_FIRE3, 1 );
	}

	// Store off the old count
	gEngfuncs.pEventAPI->EV_PushPMStates();

	// Now add in all of the players.
	gEngfuncs.pEventAPI->EV_SetSolidPlayers ( idx - 1 );	
	gEngfuncs.pEventAPI->EV_SetTraceHull( 2 );
	gEngfuncs.pEventAPI->EV_PlayerTrace( vecSrc, vecEnd, PM_STUDIO_BOX, -1, &tr );

	//We hit something
	if( tr.fraction < 1.0 )
	{
		physent_t *pe = gEngfuncs.pEventAPI->EV_GetPhysent( tr.ent ); 

		//Not the world, let's assume we hit something organic ( dog, cat, uncle joe, etc ).
		if( pe->solid != SOLID_BSP )
		{
			switch( gEngfuncs.pfnRandomLong( 0, 1 ) )
			{
			case 0:
				gEngfuncs.pEventAPI->EV_PlaySound( idx, tr.endpos, CHAN_BODY, "weapons/xbow_hitbod1.wav", 1, ATTN_NORM, 0, PITCH_NORM );
				break;
			case 1:
				gEngfuncs.pEventAPI->EV_PlaySound( idx, tr.endpos, CHAN_BODY, "weapons/xbow_hitbod2.wav", 1, ATTN_NORM, 0, PITCH_NORM );
				break;
			}
		}
		//Stick to world but don't stick to glass, it might break and leave the bolt floating. It can still stick to other non-transparent breakables though.
		else if( pe->rendermode == kRenderNormal ) 
		{
			gEngfuncs.pEventAPI->EV_PlaySound( 0, tr.endpos, CHAN_BODY, "weapons/xbow_hit1.wav", gEngfuncs.pfnRandomFloat( 0.95, 1.0 ), ATTN_NORM, 0, PITCH_NORM );

			//Not underwater, do some sparks...
			if( gEngfuncs.PM_PointContents( tr.endpos, NULL ) != CONTENTS_WATER )
				 gEngfuncs.pEfxAPI->R_SparkShower( tr.endpos );

			vec3_t vBoltAngles;
			int iModelIndex = gEngfuncs.pEventAPI->EV_FindModelIndex( "models/crossbow_bolt.mdl" );

			VectorAngles( forward, vBoltAngles );

			TEMPENTITY *bolt = gEngfuncs.pEfxAPI->R_TempModel( tr.endpos - forward * 10, Vector( 0, 0, 0 ), vBoltAngles , 5, iModelIndex, TE_BOUNCE_NULL );

			if( bolt )
			{
				bolt->flags |= ( FTENT_CLIENTCUSTOM ); //So it calls the callback function.
				bolt->entity.baseline.vuser1 = tr.endpos - forward * 10; // Pull out a little bit
				bolt->entity.baseline.vuser2 = vBoltAngles; //Look forward!
				bolt->callback = EV_BoltCallback; //So we can set the angles and origin back. (Stick the bolt to the wall)
			}
		}
	}

	gEngfuncs.pEventAPI->EV_PopPMStates();
}

//TODO: Fully predict the fliying bolt.
void EV_FireCrossbow( event_args_t *args )
{
	int idx;
	vec3_t origin;
	vec3_t angles;
	vec3_t velocity;

	vec3_t vecSrc, vecAiming;
	vec3_t up, right, forward;

	idx = args->entindex;
	VectorCopy( args->origin, origin );
	VectorCopy( args->angles, angles );
	VectorCopy( args->velocity, velocity );

	AngleVectors( angles, forward, right, up );

	if( EV_IsLocal( idx ) )
	{
		// Add muzzle flash to current weapon model
		EV_MuzzleFlash();

		if( args->iparam1 )
			gEngfuncs.pEventAPI->EV_WeaponAnimation( CROSSBOW_FIRE1, 1 );
		else if( args->iparam2 )
			gEngfuncs.pEventAPI->EV_WeaponAnimation( CROSSBOW_FIRE3, 1 );

		V_PunchAxis( 0, -2.0 );
	}

	gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_WEAPON, "weapons/xbow_fire1.wav", 1, ATTN_NORM, 0, 93 + gEngfuncs.pfnRandomLong( 0, 0xF ) );

	EV_GetGunPosition( args, vecSrc, origin );

	VectorCopy( forward, vecAiming );

	EV_HLDM_FireBullets( idx, forward, right, up, 1, vecSrc, vecAiming, 8192, BULLET_PLAYER_SNIPER, 0, 0, args->fparam1, args->fparam2 );
}
//======================
//	   CROSSBOW END 
//======================

//======================
//	    RPG START 
//======================
enum rpg_e
{
	RPG_IDLE = 0,
	RPG_FIDGET,
	RPG_RELOAD,		// to reload
	RPG_FIRE2,		// to empty
	RPG_HOLSTER1,	// loaded
	RPG_DRAW1,		// loaded
	RPG_HOLSTER2,	// unloaded
	RPG_DRAW_UL,	// unloaded
	RPG_IDLE_UL,	// unloaded idle
	RPG_FIDGET_UL	// unloaded fidget
};

void EV_FireRpg( event_args_t *args )
{
	int idx;
	vec3_t origin;

	idx = args->entindex;
	VectorCopy( args->origin, origin );

	gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_WEAPON, "weapons/rocketfire1.wav", 0.9, ATTN_NORM, 0, PITCH_NORM );
	gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_ITEM, "weapons/glauncher.wav", 0.7, ATTN_NORM, 0, PITCH_NORM );

	//Only play the weapon anims if I shot it. 
	if( EV_IsLocal( idx ) )
	{
		gEngfuncs.pEventAPI->EV_WeaponAnimation( RPG_FIRE2, 1 );

		V_PunchAxis( 0, -5.0 );
	}
}
//======================
//	     RPG END 
//======================

//======================
//	   TRIPMINE START
//======================
enum tripmine_e
{
	TRIPMINE_IDLE1 = 0,
	TRIPMINE_IDLE2,
	TRIPMINE_ARM1,
	TRIPMINE_ARM2,
	TRIPMINE_FIDGET,
	TRIPMINE_HOLSTER,
	TRIPMINE_DRAW,
	TRIPMINE_WORLD,
	TRIPMINE_GROUND
};

//We only check if it's possible to put a trip mine
//and if it is, then we play the animation. Server still places it.
void EV_TripmineFire( event_args_t *args )
{
	int idx;
	vec3_t vecSrc, angles, view_ofs, forward;
	pmtrace_t tr;

	idx = args->entindex;
	VectorCopy( args->origin, vecSrc );
	VectorCopy( args->angles, angles );

	AngleVectors( angles, forward, NULL, NULL );

	if( !EV_IsLocal ( idx ) )
		return;

	// Grab predicted result for local player
	gEngfuncs.pEventAPI->EV_LocalPlayerViewheight( view_ofs );

	vecSrc = vecSrc + view_ofs;

	// Store off the old count
	gEngfuncs.pEventAPI->EV_PushPMStates();

	// Now add in all of the players.
	gEngfuncs.pEventAPI->EV_SetSolidPlayers ( idx - 1 );	
	gEngfuncs.pEventAPI->EV_SetTraceHull( 2 );
	gEngfuncs.pEventAPI->EV_PlayerTrace( vecSrc, vecSrc + forward * 128, PM_NORMAL, -1, &tr );

	//Hit something solid
	if( tr.fraction < 1.0 )
		 gEngfuncs.pEventAPI->EV_WeaponAnimation ( TRIPMINE_DRAW, 0 );
	
	gEngfuncs.pEventAPI->EV_PopPMStates();
}
//======================
//	   TRIPMINE END
//======================

//======================
//	   SQUEAK START
//======================
enum squeak_e
{
	SQUEAK_IDLE1 = 0,
	SQUEAK_FIDGETFIT,
	SQUEAK_FIDGETNIP,
	SQUEAK_DOWN,
	SQUEAK_UP,
	SQUEAK_THROW
};

#define VEC_HULL_MIN		Vector( -16, -16, -36 )
#define VEC_DUCK_HULL_MIN	Vector( -16, -16, -18 )

void EV_SnarkFire( event_args_t *args )
{
	int idx;
	vec3_t vecSrc, angles, view_ofs, forward;
	pmtrace_t tr;

	idx = args->entindex;
	VectorCopy( args->origin, vecSrc );
	VectorCopy( args->angles, angles );

	AngleVectors( angles, forward, NULL, NULL );

	if( !EV_IsLocal ( idx ) )
		return;

	if( args->ducking )
		vecSrc = vecSrc - ( VEC_HULL_MIN - VEC_DUCK_HULL_MIN );

	// Store off the old count
	gEngfuncs.pEventAPI->EV_PushPMStates();

	// Now add in all of the players.
	gEngfuncs.pEventAPI->EV_SetSolidPlayers( idx - 1 );	
	gEngfuncs.pEventAPI->EV_SetTraceHull( 2 );
	gEngfuncs.pEventAPI->EV_PlayerTrace( vecSrc + forward * 20, vecSrc + forward * 64, PM_NORMAL, -1, &tr );

	//Find space to drop the thing.
	if( tr.allsolid == 0 && tr.startsolid == 0 && tr.fraction > 0.25 )
		 gEngfuncs.pEventAPI->EV_WeaponAnimation( SQUEAK_THROW, 0 );

	gEngfuncs.pEventAPI->EV_PopPMStates();
}
//======================
//	   SQUEAK END
//======================
#define SND_CHANGE_PITCH	(1 << 7)	// duplicated in protocol.h change sound pitch
void EV_TrainPitchAdjust( event_args_t *args )
{
	int idx;
	vec3_t origin;

	unsigned short us_params;
	int noise;
	float m_flVolume;
	int pitch;
	int stop;

	const char *pszSound;

	idx = args->entindex;

	VectorCopy( args->origin, origin );

	us_params = (unsigned short)args->iparam1;
	stop = args->bparam1;

	m_flVolume = (float)( us_params & 0x003f ) / 40.0;
	noise = (int)( ( ( us_params ) >> 12 ) & 0x0007 );
	pitch = (int)( 10.0 * (float)( ( us_params >> 6 ) & 0x003f ) );

	switch( noise )
	{
	case 1:
		pszSound = "plats/ttrain1.wav";
		break;
	case 2:
		pszSound = "plats/ttrain2.wav";
		break;
	case 3:
		pszSound = "plats/ttrain3.wav";
		break; 
	case 4:
		pszSound = "plats/ttrain4.wav";
		break;
	case 5:
		pszSound = "plats/ttrain6.wav";
		break;
	case 6:
		pszSound = "plats/ttrain7.wav";
		break;
	default:
		// no sound
		return;
	}

	if( stop )
	{
		gEngfuncs.pEventAPI->EV_StopSound( idx, CHAN_STATIC, pszSound );
	}
	else
	{
		gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_STATIC, pszSound, m_flVolume, ATTN_NORM, SND_CHANGE_PITCH, pitch );
	}
}

int EV_TFC_IsAllyTeam( int iTeam1, int iTeam2 )
{
	return 0;
}

//======================
//	   AK47 START
//======================
enum ak47_e
{
	AK47_LONGIDLE = 0,
	AK47_IDLE1,
	AK47_LAUNCH,
	AK47_RELOAD,
	AK47_DEPLOY,
	AK47_FIRE1,
	AK47_FIRE2,
	AK47_FIRE3,
};

void EV_FireAK47( struct event_args_s *args )
{
	int idx;
	vec3_t origin;
	vec3_t angles;
	vec3_t velocity;

	vec3_t ShellVelocity;
	vec3_t ShellOrigin;
	int shell;
	vec3_t vecSrc, vecAiming;
	vec3_t up, right, forward;
	float flSpread = 0.01;

	idx = args->entindex;
	VectorCopy( args->origin, origin );
	VectorCopy( args->angles, angles );
	VectorCopy( args->velocity, velocity );

	AngleVectors( angles, forward, right, up );

	shell = gEngfuncs.pEventAPI->EV_FindModelIndex( "models/shell.mdl" );// brass shell

	if( EV_IsLocal( idx ) )
	{
		// Add muzzle flash to current weapon model
		EV_MuzzleFlash();
		gEngfuncs.pEventAPI->EV_WeaponAnimation( AK47_FIRE1 + gEngfuncs.pfnRandomLong( 0, 2 ), 2 );

		V_PunchAxis( 0, gEngfuncs.pfnRandomFloat( -2.5, -3.2 ) );
		V_PunchAxis( 1, gEngfuncs.pfnRandomFloat( -1.5, 1.5 ) );
	}

	EV_GetDefaultShellInfo( args, origin, velocity, ShellVelocity, ShellOrigin, forward, right, up, 20, -12, 4 );

	EV_EjectBrass( ShellOrigin, ShellVelocity, angles[YAW], shell, TE_BOUNCE_SHELL );

	switch( gEngfuncs.pfnRandomLong( 0, 2 ) )
	{
		case 0:
			gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_WEAPON, "weapons/ak1.wav", 1, ATTN_NORM, 0, 94 + gEngfuncs.pfnRandomLong( 0, 0xf ) );
			break;
		case 1:
			gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_WEAPON, "weapons/ak2.wav", 1, ATTN_NORM, 0, 94 + gEngfuncs.pfnRandomLong( 0, 0xf ) );
			break;
		case 2:
			gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_WEAPON, "weapons/ak3.wav", 1, ATTN_NORM, 0, 94 + gEngfuncs.pfnRandomLong( 0, 0xf ) );
			break;
	}

	EV_GetGunPosition( args, vecSrc, origin );
	VectorCopy( forward, vecAiming );

	EV_HLDM_FireBullets( idx, forward, right, up, 1, vecSrc, vecAiming, 8192, BULLET_PLAYER_AK47, 0, &g_tracerCount[idx - 1], args->fparam1, args->fparam2 );
}
//======================
//	   AK47 END
//======================

//======================
//	   MAC10 START
//======================
enum mac10_e
{
	MAC10_LONGIDLE = 0,
	MAC10_IDLE1,
	MAC10_LAUNCH,
	MAC10_RELOAD,
	MAC10_DEPLOY,
	MAC10_FIRE1,
	MAC10_FIRE2,
	MAC10_FIRE3,
};

void EV_FireMac10( struct event_args_s *args )
{
	int idx;
	vec3_t origin;
	vec3_t angles;
	vec3_t velocity;

	vec3_t ShellVelocity;
	vec3_t ShellOrigin;
	int shell;
	vec3_t vecSrc, vecAiming;
	vec3_t up, right, forward;
	float flSpread = 0.01;

	idx = args->entindex;
	VectorCopy( args->origin, origin );
	VectorCopy( args->angles, angles );
	VectorCopy( args->velocity, velocity );

	AngleVectors( angles, forward, right, up );

	shell = gEngfuncs.pEventAPI->EV_FindModelIndex( "models/shell.mdl" );// brass shell

	if( EV_IsLocal( idx ) )
	{
		// Add muzzle flash to current weapon model
		EV_MuzzleFlash();
		gEngfuncs.pEventAPI->EV_WeaponAnimation( MAC10_FIRE1 + gEngfuncs.pfnRandomLong( 0, 2 ), 2 );

		V_PunchAxis( 0, gEngfuncs.pfnRandomFloat( -1.4, -2 ) );
		V_PunchAxis( 1, gEngfuncs.pfnRandomFloat( -1.6, 1.6 ) );
	}

	EV_GetDefaultShellInfo( args, origin, velocity, ShellVelocity, ShellOrigin, forward, right, up, 20, -12, 4 );

	EV_EjectBrass( ShellOrigin, ShellVelocity, angles[YAW], shell, TE_BOUNCE_SHELL );

	switch( gEngfuncs.pfnRandomLong( 0, 2 ) )
	{
		case 0:
			gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_WEAPON, "weapons/mac1.wav", 1, ATTN_NORM, 0, 94 + gEngfuncs.pfnRandomLong( 0, 0xf ) );
			break;
		case 1:
			gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_WEAPON, "weapons/mac2.wav", 1, ATTN_NORM, 0, 94 + gEngfuncs.pfnRandomLong( 0, 0xf ) );
			break;
		case 2:
			gEngfuncs.pEventAPI->EV_PlaySound( idx, origin, CHAN_WEAPON, "weapons/mac3.wav", 1, ATTN_NORM, 0, 94 + gEngfuncs.pfnRandomLong( 0, 0xf ) );
			break;
	}

	EV_GetGunPosition( args, vecSrc, origin );
	VectorCopy( forward, vecAiming );

	EV_HLDM_FireBullets( idx, forward, right, up, 1, vecSrc, vecAiming, 8192, BULLET_PLAYER_MAC10, 0, &g_tracerCount[idx - 1], args->fparam1, args->fparam2 );
}
//======================
//	   MAC10 END
//======================