/***
*
*    Copyright (c) 1996-2001, 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.
*
****/

/* 
* The original Half-Life version of the python
* modified to include scope and zoom like deathmatch version. // Rzlx
* Set iScopeBody = false to disable the scope and zoom. // Rzlx
*/

const int PYTHON_DEFAULT_GIVE = 6;
const int _357_MAX_CARRY = 36;
const int PYTHON_MAX_CLIP = 6;
const int PYTHON_WEIGHT = 15;

enum PythonAnimation
{
	PYTHON_IDLE1 = 0,
	PYTHON_FIDGET,
	PYTHON_FIRE1,
	PYTHON_RELOAD,
	PYTHON_HOLSTER,
	PYTHON_DRAW,
	PYTHON_IDLE2,
	PYTHON_IDLE3
};

class weapon_hlpython : ScriptBasePlayerWeaponEntity
{
	CBasePlayer@ m_pPlayer = null;
	
	bool iScopeBody = true; 
	bool m_fInZoom;

	void Spawn()
	{
		Precache();
		g_EntityFuncs.SetModel( self, "models/hlclassic/w_357.mdl" );

		self.m_iDefaultAmmo = PYTHON_DEFAULT_GIVE;

		self.FallInit();
	}

	void Precache()
	{
		self.PrecacheCustomModels();
		g_Game.PrecacheModel( "models/hlclassic/v_357.mdl" );
		g_Game.PrecacheModel( "models/hlclassic/w_357.mdl" );
		g_Game.PrecacheModel( "models/hlclassic/p_357.mdl" );

		g_Game.PrecacheModel( "models/hlclassic/w_357ammobox.mdl" );
		g_Game.PrecacheModel( "models/hlclassic/w_357ammoboxt.mdl" );
		g_SoundSystem.PrecacheSound( "hlclassic/items/9mmclip1.wav" );

		g_SoundSystem.PrecacheSound( "hlclassic/weapons/357_reload1.wav" );
		g_SoundSystem.PrecacheSound( "hlclassic/weapons/357_cock1.wav" );
		g_SoundSystem.PrecacheSound( "hlclassic/weapons/357_shot1.wav" );
		g_SoundSystem.PrecacheSound( "hlclassic/weapons/357_shot2.wav" );

		g_Game.PrecacheGeneric( "sprites/hl_weapons/weapon_hlpython.txt" );
	}

	bool AddToPlayer( CBasePlayer@ pPlayer )
	{
		if( !BaseClass.AddToPlayer( pPlayer ) )
			return false;

		@m_pPlayer = pPlayer;

		NetworkMessage message( MSG_ONE, NetworkMessages::WeapPickup, pPlayer.edict() );
			message.WriteLong( self.m_iId );
		message.End();

		return true;
	}

	bool PlayEmptySound()
	{
		if( self.m_bPlayEmptySound )
		{
			self.m_bPlayEmptySound = false;

			g_SoundSystem.EmitSoundDyn( m_pPlayer.edict(), CHAN_WEAPON, "hlclassic/weapons/357_cock1.wav", 0.8, ATTN_NORM, 0, PITCH_NORM );
		}

		return false;
	}

	bool GetItemInfo( ItemInfo& out info )
	{
		info.iMaxAmmo1 	= _357_MAX_CARRY;	
		info.iMaxAmmo2	= -1;
		info.iMaxClip 	= PYTHON_MAX_CLIP;
		info.iSlot 	= 1;
		info.iPosition 	= 5;
		info.iFlags 	= 0;
		info.iWeight 	= PYTHON_WEIGHT;

		return true;
	}

	bool Deploy()
	{
		return self.DefaultDeploy( self.GetV_Model( "models/hlclassic/v_357.mdl" ), self.GetP_Model( "models/hlclassic/p_357.mdl" ), PYTHON_DRAW, "python", 0, iScopeBody ? 1 : 0 );
	}

	void Holster(int skiplocal){

		self.m_fInReload = false;

		if( m_fInZoom )
		{
			SecondaryAttack();
		}

		m_pPlayer.m_flNextAttack = g_Engine.time + 1.0;
		self.SendWeaponAnim( PYTHON_HOLSTER, 0, iScopeBody ? 1 : 0 );

		BaseClass.Holster( skiplocal );
	}

	void PrimaryAttack()
	{
		// don't fire underwater
		if( m_pPlayer.pev.waterlevel == WATERLEVEL_HEAD )
		{
			self.PlayEmptySound( );
			self.m_flNextPrimaryAttack = g_Engine.time + 0.15;
			return;
		}

		if( self.m_iClip <= 0 )
		{
			self.PlayEmptySound();
			self.m_flNextPrimaryAttack = g_Engine.time + 0.15;
			return;
		}

		self.SendWeaponAnim( PYTHON_FIRE1, 0, iScopeBody ? 1 : 0 );

		switch( Math.RandomLong( 0, 1 ) ){
		case 0:
			g_SoundSystem.EmitSoundDyn( m_pPlayer.edict(), CHAN_WEAPON, "hlclassic/weapons/357_shot1.wav", 1.0, ATTN_NORM, 0, 95 + Math.RandomLong( 0, 10 ) );
			break;
		case 1:
			g_SoundSystem.EmitSoundDyn( m_pPlayer.edict(), CHAN_WEAPON, "hlclassic/weapons/357_shot2.wav", 1.0, ATTN_NORM, 0, 95 + Math.RandomLong( 0, 10 ) );
			break;
		}


		m_pPlayer.m_iWeaponVolume = LOUD_GUN_VOLUME;
		m_pPlayer.m_iWeaponFlash = BRIGHT_GUN_FLASH;

		--self.m_iClip;

		// player "shoot" animation
		m_pPlayer.SetAnimation( PLAYER_ATTACK1 );

		Vector vecSrc	 = m_pPlayer.GetGunPosition();
		Vector vecAiming = m_pPlayer.GetAutoaimVector( AUTOAIM_10DEGREES );

		m_pPlayer.FireBullets( 1, vecSrc, vecAiming, VECTOR_CONE_1DEGREES, 8192, BULLET_PLAYER_357, 0 );

		if( self.m_iClip == 0 && m_pPlayer.m_rgAmmo( self.m_iPrimaryAmmoType ) <= 0 )
			// HEV suit - indicate out of ammo condition
			m_pPlayer.SetSuitUpdate( "!HEV_AMO0", false, 0 );

		self.m_flNextPrimaryAttack = g_Engine.time + 0.75;

		self.m_flTimeWeaponIdle = g_Engine.time + g_PlayerFuncs.SharedRandomFloat( m_pPlayer.random_seed,  10, 15 );

		TraceResult tr;
		float x, y;

		g_Utility.GetCircularGaussianSpread( x, y );

		Vector vecDir = vecAiming
						+ x * VECTOR_CONE_1DEGREES.x * g_Engine.v_right
						+ y * VECTOR_CONE_1DEGREES.y * g_Engine.v_up;

		Vector vecEnd	= vecSrc + vecDir * 8192;

		g_Utility.TraceLine( vecSrc, vecEnd, dont_ignore_monsters, m_pPlayer.edict(), tr );

		if( tr.flFraction < 1.0 )
		{
			if( tr.pHit !is null )
			{
				CBaseEntity@ pHit = g_EntityFuncs.Instance( tr.pHit );

				if( pHit is null || pHit.IsBSPModel() )
					g_WeaponFuncs.DecalGunshot( tr, BULLET_PLAYER_357 );
			}
		}

		m_pPlayer.pev.punchangle.x = -10.0;
	}

	void SecondaryAttack()
	{
		if( iScopeBody )
		{
			if( m_pPlayer.pev.fov != 0 )
			{
				m_fInZoom = false;
				m_pPlayer.pev.fov = m_pPlayer.m_iFOV = 0; // 0 means reset to default fov
			}
			else if( m_pPlayer.pev.fov != 40 )
			{
				m_fInZoom = true;
				m_pPlayer.pev.fov = m_pPlayer.m_iFOV = 40;
			}
		}
		else
		{ return; }

		self.m_flNextSecondaryAttack = g_Engine.time + 0.5;
	}

	void Reload()
	{
		if( m_pPlayer.m_rgAmmo( self.m_iPrimaryAmmoType ) <= 0 || self.m_iClip == PYTHON_MAX_CLIP )
			return;

		if( m_pPlayer.pev.fov != 0 )
		{
			SecondaryAttack();
		}

		self.DefaultReload( _357_MAX_CARRY, PYTHON_RELOAD, 3.2, iScopeBody ? 1 : 0 );
		
		//Set 3rd person reloading animation -Sniper
		BaseClass.Reload();
	}

	void WeaponIdle()
	{
		self.ResetEmptySound();

		m_pPlayer.GetAutoaimVector( AUTOAIM_10DEGREES );

		if( self.m_flTimeWeaponIdle > g_Engine.time )
			return;

		int iAnim;
		float flRand = g_PlayerFuncs.SharedRandomFloat( m_pPlayer.random_seed, 0, 1 );

		if(flRand <= 0.5)
		{
			iAnim = PYTHON_IDLE1;
			self.m_flTimeWeaponIdle = g_Engine.time + (70.0/30.0);
		}
		if(flRand <= 0.7)
		{
			iAnim = PYTHON_IDLE2;
			self.m_flTimeWeaponIdle = g_Engine.time + (60.0/30.0);
		}
		if(flRand <= 0.9)
		{
			iAnim = PYTHON_IDLE3;
			self.m_flTimeWeaponIdle = g_Engine.time + (88.0/30.0);
		}
		else
		{
			iAnim = PYTHON_FIDGET;
			self.m_flTimeWeaponIdle = g_Engine.time + (170.0/30.0);
		}

		self.SendWeaponAnim( iAnim, 0, iScopeBody ? 1 : 0 );
	}
}

string GetHLPYTHONName()
{
	return "weapon_hlpython";
}

void RegisterHLPYTHON()
{
	g_CustomEntityFuncs.RegisterCustomEntity( "weapon_hlpython", GetHLPYTHONName() );
	g_ItemRegistry.RegisterWeapon( GetHLPYTHONName(), "hl_weapons", "357", "", "ammo_357", "" );
}