Class ImpalerAmmo : Ammo
{
	Default
	{
		Tag "$T_IMPAMMO";
		Inventory.Icon "I_Impale";
		Inventory.PickupMessage "$T_IMPAMMO";
		Inventory.Amount 3;
		Inventory.MaxAmount 15;
		Ammo.BackpackAmount 3;
		Ammo.BackpackMaxAmount 30;
		Ammo.DropAmount 3;
		+INVENTORY.IGNORESKILL;
	}
	States
	{
	Spawn:
		IAMO A -1;
		Stop;
	}
}
Class ImpalerAmmo2 : ImpalerAmmo
{
	Default
	{
		Tag "$T_IMPAMMO2";
		Inventory.PickupMessage "$T_IMPAMMO2";
		Inventory.Amount 1;
		Ammo.DropAmount 1;
		+INVENTORY.IGNORESKILL;
	}
}

Class ImpalerCharge : Ammo
{
	Default
	{
		Inventory.Amount 100;
		Inventory.MaxAmount 100;
		Ammo.BackpackAmount 0;
		Ammo.BackpackMaxAmount 100;
		+INVENTORY.IGNORESKILL;
	}
}

Class Impaler : UnrealWeapon
{
	bool HasGem;

	override void DoEffect()
	{
		Super.DoEffect();
		if ( Owner.player.ReadyWeapon != self ) return;
		let psp = Owner.player.FindPSprite(-2);
		if ( psp ) psp.alpha = clamp(Ammo2.Amount/double(Ammo2.MaxAmount),0.,1.);
	}
	Default
	{
		Tag "$T_IMPALER";
		Inventory.PickupMessage "$I_IMPALER";
		Weapon.UpSound "impaler/select";
		Weapon.SlotNumber 7;
		Weapon.SelectionOrder 0;
		Weapon.SlotPriority 0.9;
		Weapon.AmmoType "ImpalerAmmo";
		Weapon.AmmoUse 1;
		Weapon.AmmoType2 "ImpalerCharge";
		Weapon.AmmoUse2 1;
		Weapon.AmmoGive1 60;
		Weapon.AmmoGive2 0;
		UTWeapon.DropAmmo 30;
		+WEAPON.AMMO_OPTIONAL;
		+WEAPON.ALT_AMMO_OPTIONAL;
	}
	States
	{
	Spawn:
		IMPP A -1;
		Stop;
		IMPP B -1;
		Stop;
	Select:
		IMPS A 1 A_Raise(int.max);
		Wait;
	Ready:
		IMPS ABCDEF 3 A_WeaponReady(WRF_NOFIRE);
		IMPI A 0 A_JumpIfNoAmmo("Idle");
		Goto Reload;
	Dummy:
		TNT1 A 1
		{
			let weap = Weapon(invoker);
			int flags = 0;
			if ( weap.Ammo1.Amount > 0 ) flags |= WRF_ALLOWRELOAD;
			if ( weap.Ammo2.Amount <= 0 ) flags |= WRF_NOSECONDARY;
			A_WeaponReady(flags);
		}
		Wait;
	Idle:
		IMPI A 0 A_Overlay(-9999,"Dummy");
		IMPI ABCDEFGH 10;
		Goto Idle+1;
	Melee:
		IMPM A 0 A_Overlay(-9999,"Null");
		IMPM ABCDEFGHIJ 2;
		Goto Idle;
	Fire:
		IMPF A 0
		{
			if ( !invoker.HasGem )
				return ResolveState("Melee");
			A_Overlay(-9999,"Null");
			A_Overlay(-3,"Null");
			A_Overlay(-2,"Null");
			A_PlaySound("impaler/fire",CHAN_WEAPON);
			invoker.HasGem = false;
			return ResolveState(null);
		}
		IMPF ABCDEFGHI 2;
		IMPI A 0 A_JumpIfNoAmmo("Idle");
		Goto Reload;
	AltFire:
		IMPA A 0
		{
			if ( !invoker.HasGem )
				return ResolveState("Melee");
			A_Overlay(-9999,"Null");
			A_Overlay(-3,"GemAltFire");
			A_Overlay(-2,"ZapAltFire");
			A_PlaySound("impaler/altfire",CHAN_WEAPON,looping:true);
			return ResolveState(null);
		}
		IMPA ABCDEFGH 2;
		Goto AltHold;
	AltHold:
		IMPA IJKLMNOP 2;
		Goto AltRelease;
	AltRelease:
		IMPA Q 0
		{
			A_Overlay(-3,"GemAltRelease");
			A_Overlay(-2,"ZapAltRelease");
			A_PlaySound("impaler/gem",CHAN_WEAPON,looping:true);
		}
		IMPA QRSTUVWX 2;
		Goto Idle;
	Reload:
		IMPG A 0
		{
			A_Overlay(-9999,"Null");
			invoker.HasGem = !invoker.HasGem;
			if ( invoker.HasGem )
			{
				A_Overlay(-3,"GemUp");
				A_Overlay(-2,"ZapUp");
				A_OverlayFlags(-2,PSPF_RenderStyle|PSPF_Alpha,true);
				A_OverlayRenderStyle(-2,STYLE_Add);
				A_PlaySound("impaler/gem",CHAN_WEAPON,looping:true);
			}
			else
			{
				A_Overlay(-3,"GemDown");
				A_Overlay(-2,"ZapDown");
				A_PlaySound("impaler/gemdown",CHAN_WEAPON);
			}
		}
		IMPG ABCDE 2;
		Goto Idle;
	Deselect:
		IMPD A 0 A_Overlay(-9999,"Null");
		IMPD A 0 A_JumpIf(!invoker.HasGem,"FullDeselect");
		IMPG A 0
		{
			invoker.HasGem = false;
			A_Overlay(-3,"GemDown");
			A_Overlay(-2,"ZapDown");
			A_PlaySound("impaler/gemdown",CHAN_WEAPON);
		}
		IMPG ABCDE 2;
		Goto FullDeselect;
	FullDeselect:
		IMPD ABCDEF 2;
		IMPD F 1 A_Lower(int.max);
		Wait;
	GemUp:
		IMGS ABCDE 2;
		Goto GemIdle;
	GemIdle:
		IMGI ABCDEFGH 10;
		Loop;
	GemDown:
		IMGD ABCDE 2;
		Stop;
	GemAltFire:
		IMGA ABCDEFGH 2;
		Goto GemAltHold;
	GemAltHold:
		IMGA IJKLMNOP 2;
		Loop;
	GemAltRelease:
		IMGA QRSTUVWX 2;
		Goto GemIdle;
	ZapUp:
		IMZS ABCDE 2 Bright;
		Goto ZapIdle;
	ZapIdle:
		IMZI ABCDEFGH 10 Bright;
		Loop;
	ZapDown:
		IMZD ABCDE 2 Bright;
		Stop;
	ZapAltFire:
		IMZA ABCDEFGH 2 Bright;
		Goto ZapAltHold;
	ZapAltHold:
		IMZA IJKLMNOP 2 Bright;
		Loop;
	ZapAltRelease:
		IMZA QRSTUVWX 2 Bright;
		Goto ZapIdle;
	}
}