/***
*
*	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 "extdll.h"
#include "util.h"
#include "cbase.h"
#include "monsters.h"
#include "weapons.h"
#include "nodes.h"
#include "player.h"
#include "soundent.h"
#include "gamerules.h"

enum uzi_e
{
	UZI_LONGIDLE = 0,
	UZI_IDLE1,
	UZI_RELOAD,
	UZI_DEPLOY,
	UZI_FIRE1,
	UZI_FIRE2,
	UZI_FIRE3
};

LINK_ENTITY_TO_CLASS( weapon_uzi, CUZI )

//=========================================================
//=========================================================
int CUZI::SecondaryAmmoIndex( void )
{
	return m_iSecondaryAmmoType;
}

void CUZI::Spawn( )
{
	pev->classname = MAKE_STRING("weapon_uzi"); // hack to allow for old names
	Precache( );
	SET_MODEL(ENT(pev), "models/w_uzi.mdl");
	m_iId = WEAPON_UZI;

	m_iDefaultAmmo = UZI_DEFAULT_GIVE;

	FallInit();// get ready to fall down.
}


void CUZI::Precache( void )
{
	PRECACHE_MODEL("models/v_uzi.mdl");
	PRECACHE_MODEL("models/w_uzi.mdl");
	PRECACHE_MODEL("models/p_uzi.mdl");

	m_iShell = PRECACHE_MODEL ("models/9mm_shell.mdl");// brass shellTE_MODEL


	PRECACHE_MODEL("models/w_uziclip.mdl");
	PRECACHE_SOUND("items/9mmclip1.wav");              

	PRECACHE_SOUND("items/clipinsert1.wav");
	PRECACHE_SOUND("items/cliprelease1.wav");

	PRECACHE_SOUND ("weapons/uzi1.wav");// H to the K
	PRECACHE_SOUND ("weapons/uzi2.wav");// H to the K
	PRECACHE_SOUND ("weapons/uzi3.wav");// H to the K

	PRECACHE_SOUND ("weapons/357_cock1.wav");

	m_usUZI = PRECACHE_EVENT( 1, "events/uzi.sc" );
}

int CUZI::GetItemInfo(ItemInfo *p)
{
	p->pszName = STRING(pev->classname);
	p->pszAmmo1 = "9mm";
	p->iMaxAmmo1 = _9MM_MAX_CARRY;
	p->iMaxClip = UZI_MAX_CLIP;
	p->iSlot = 1;
	p->iPosition = 3;
	p->iFlags = 0;
	p->iId = m_iId = WEAPON_UZI;
	p->iWeight = UZI_WEIGHT;
	p->weaponName = "9mm Uzi";

	return 1;
}

int CUZI::AddToPlayer( CBasePlayer *pPlayer )
{
	if ( CBasePlayerWeapon::AddToPlayer( pPlayer ) )
	{
		MESSAGE_BEGIN( MSG_ONE, gmsgWeapPickup, NULL, pPlayer->pev );
			WRITE_BYTE( m_iId );
		MESSAGE_END();
		return TRUE;
	}
	return FALSE;
}

BOOL CUZI::Deploy( )
{
	return DefaultDeploy( "models/v_uzi.mdl", "models/p_uzi.mdl", UZI_DEPLOY, "uzi" );
}


void CUZI::PrimaryAttack()
{
	// don't fire underwater
	if (m_pPlayer->pev->waterlevel == 3 && m_pPlayer->pev->watertype > CONTENT_FLYFIELD)
	{
		PlayEmptySound( );
		m_flNextPrimaryAttack = 0.15;
		return;
	}

	if (m_iClip <= 0)
	{
		PlayEmptySound();
		m_flNextPrimaryAttack = 0.15;
		return;
	}

	m_pPlayer->m_iWeaponVolume = NORMAL_GUN_VOLUME;
	m_pPlayer->m_iWeaponFlash = NORMAL_GUN_FLASH;

	m_iClip--;


	m_pPlayer->pev->effects = (int)(m_pPlayer->pev->effects) | EF_MUZZLEFLASH;

	// player "shoot" animation
	m_pPlayer->SetAnimation( PLAYER_ATTACK1 );

	Vector vecSrc	 = m_pPlayer->GetGunPosition( );
	Vector vecAiming = m_pPlayer->GetAutoaimVector( AUTOAIM_5DEGREES );
	Vector vecDir;

#ifdef CLIENT_DLL
	if ( !bIsMultiplayer() )
#else
	if ( !g_pGameRules->IsMultiplayer() )
#endif
	{
		// optimized multiplayer. Widened to make it easier to hit a moving player
		vecDir = m_pPlayer->FireBulletsPlayer( 1, vecSrc, vecAiming, VECTOR_CONE_3DEGREES, 8192, BULLET_PLAYER_MP5, 2, 0, m_pPlayer->pev, m_pPlayer->random_seed );
	}
	else
	{
		// single player spread
		vecDir = m_pPlayer->FireBulletsPlayer( 1, vecSrc, vecAiming, VECTOR_CONE_3DEGREES, 8192, BULLET_PLAYER_MP5, 2, 0, m_pPlayer->pev, m_pPlayer->random_seed );
	}

  int flags;
#if defined( CLIENT_WEAPONS )
	flags = FEV_NOTHOST;
#else
	flags = 0;
#endif

	PLAYBACK_EVENT_FULL( flags, m_pPlayer->edict(), m_usUZI, 0.0, g_vecZero, g_vecZero, vecDir.x, vecDir.y, 0, 0, 0, 0 );

	if (!m_iClip && m_pPlayer->m_rgAmmo[m_iPrimaryAmmoType] <= 0)
		// HEV suit - indicate out of ammo condition
		m_pPlayer->SetSuitUpdate("!HEV_AMO0", FALSE, 0);

	m_flNextPrimaryAttack = GetNextAttackDelay( 0.1 );

	if ( m_flNextPrimaryAttack < UTIL_WeaponTimeBase() )
		m_flNextPrimaryAttack = UTIL_WeaponTimeBase() + 0.01;

	m_flTimeWeaponIdle = UTIL_WeaponTimeBase() + UTIL_SharedRandomFloat( m_pPlayer->random_seed, 10, 15 );
}

void CUZI::Reload( void )
{
	if( m_pPlayer->m_rgAmmo[m_iPrimaryAmmoType] <= 0 || m_iClip == UZI_MAX_CLIP )
		return;

	DefaultReload( UZI_MAX_CLIP, UZI_RELOAD, 3.0);
}


void CUZI::WeaponIdle( void )
{
	ResetEmptySound( );

	m_pPlayer->GetAutoaimVector( AUTOAIM_5DEGREES );

	if ( m_flTimeWeaponIdle > UTIL_WeaponTimeBase() )
		return;

	int iAnim;
	switch ( RANDOM_LONG( 0, 1 ) )
	{
	case 0:	
		iAnim = UZI_LONGIDLE;	
		break;
	
	default:
	case 1:
		iAnim = UZI_IDLE1;
		break;
	}

	SendWeaponAnim( iAnim );

	m_flTimeWeaponIdle = UTIL_SharedRandomFloat( m_pPlayer->random_seed, 10, 15 ); // how long till we do this again.
}