Class UInvisibility : UnrealInventory
{
	Default
	{
		Tag "$T_INVISIBILITY";
		+COUNTITEM;
		+INVENTORY.BIGPOWERUP;
		+INVENTORY.ALWAYSPICKUP;
		Inventory.Icon "I_Invis";
		Inventory.PickupMessage "$I_INVISIBILITY";
		Inventory.RespawnTics 3500;
		Inventory.MaxAmount 2;
		UnrealInventory.Charge 100;
	}
	override bool Use( bool pickup )
	{
		if ( pickup ) return false;
		bActive = !bActive;
		if ( bActive )
		{
			Owner.A_PlaySound("uinvis/toggle",CHAN_ITEM);
			Owner.GiveInventory("PowerUInvisibility",1);
		}
		else Owner.TakeInventory("PowerUInvisibility",1);
		return false;
	}
	override void DoEffect()
	{
		Super.DoEffect();
		if ( !bActive ) return;
		if ( special1 == -1 )
		{
			Owner.TakeInventory("PowerUInvisibility",1);
			special1 = 3;
		}
		else if ( special1 > 1 ) special1--;
		else if ( special1 == 1 )
		{
			Owner.GiveInventory("PowerUInvisibility",1);
			special1 = 0;
		}
		if ( !(level.maptime%35) && DrainCharge(1) )
		{
			if ( Owner.CheckLocalView() ) Console.Printf(StringTable.Localize("$D_INVISIBILITY"));
			Owner.TakeInventory("PowerUInvisibility",1);
			DepleteOrDestroy();
		}
	}
	override void OnDrop( Actor dropper )
	{
		Super.OnDrop(dropper);
		dropper.TakeInventory("PowerUInvisibility",1);
	}
	override void PostBeginPlay()
	{
		Super.PostBeginPlay();
		tracer = Spawn("UInvisibilityX",pos);
		tracer.angle = angle;
		tracer.target = self;
	}
	States
	{
	Spawn:
		INVS A -1;
		Stop;
	}
}

Class UInvisibilityX : AsmdAmmoX
{
	States
	{
	Spawn:
		INVS A -1 Bright;
		Stop;
	}
}

Class PowerUInvisibility : PowerInvisibility
{
	Default
	{
		Powerup.Duration 0x7FFFFFFD;
		Powerup.Strength 90;
		Powerup.Mode "Additive";
	}
}

Class Amplifier : UnrealInventory
{
	Default
	{
		Tag "$T_AMPLIFIER";
		+COUNTITEM;
		+INVENTORY.BIGPOWERUP;
		+INVENTORY.ALWAYSPICKUP;
		Inventory.Icon "I_Amp";
		Inventory.PickupMessage "$I_AMPLIFIER";
		Inventory.RespawnTics 3150;
		Inventory.MaxAmount 2;
		UnrealInventory.Charge 1000;
	}
	static double GetMult( Actor Owner, int val )
	{
		if ( !Owner ) return 1.;
		let d = Amplifier(Owner.FindInventory("Amplifier"));
		if ( !d || !d.bActive ) return 1.;
		double Multiplier = max(1,4*(double(d.Charge-val)/d.DefaultCharge));
		d.DrainCharge(val);
		return Multiplier;
	}
	override bool Use( bool pickup )
	{
		if ( pickup ) return false;
		bActive = !bActive;
		Owner.A_PlaySound("amplifier/set",CHAN_ITEM);
		return false;
	}
	override void DoEffect()
	{
		Super.DoEffect();
		if ( bActive && !tracer )
		{
			tracer = Spawn("AmpSound",Owner.pos);
			tracer.target = Owner;
			tracer.master = self;
		}
		else if ( !bActive && tracer ) tracer.Destroy();
		if ( !bActive ) return;
		if ( (Charge <= 0) || (!(level.maptime%35) && DrainCharge(2)) )
		{
			Owner.A_PlaySound("amplifier/set",CHAN_ITEM);
			if ( Owner.CheckLocalView() ) Console.Printf(StringTable.Localize("$D_AMPLIFIER"));
			if ( tracer ) tracer.Destroy();
			DepleteOrDestroy();
		}
	}
	States
	{
	Spawn:
		AMPP A -1;
		Stop;
	}
}

Class AmpSound : Actor
{
	Default
	{
		+NOBLOCKMAP;
		+NOGRAVITY;
	}
	override void Tick()
	{
		Super.Tick();
		if ( !target || !master )
		{
			Destroy();
			return;
		}
		SetOrigin(target.pos,true);
		if ( target.CheckLocalView() )
		{
			A_SoundVolume(CHAN_VOICE,0.0);
			A_SoundVolume(CHAN_7,1.0);
		}
		else
		{
			A_SoundVolume(CHAN_VOICE,0.25);
			A_SoundVolume(CHAN_7,0.0);
		}
	}
	override void PostBeginPlay()
	{
		Super.PostBeginPlay();
		A_PlaySound("amplifier/act",CHAN_VOICE,0.25,true,1.5);
		A_PlaySound("amplifier/act",CHAN_7,1.0,true,ATTN_NONE);
	}
	override void OnDestroy()
	{
		Super.OnDestroy();
		A_StopSound(CHAN_VOICE);
		A_StopSound(CHAN_7);
	}
}

Class UJumpBoots : UnrealInventory
{
	int draincnt;
	Default
	{
		Tag "$T_JUMPBOOTS";
		+COUNTITEM;
		+INVENTORY.BIGPOWERUP;
		+INVENTORY.ALWAYSPICKUP;
		Inventory.MaxAmount 3;
		Inventory.Icon "I_Boots";
		Inventory.PickupMessage "$I_JUMPBOOTS";
		Inventory.RespawnTics 1050;
		UnrealInventory.Charge 3;
	}
	override bool Use( bool pickup )
	{
		if ( pickup ) return false;
		bActive = !bActive;
		Owner.A_PlaySound("boot/pickup",CHAN_ITEM);
		if ( bActive ) Owner.GiveInventory("PowerJumpBoots_HighJump",1);
		else Owner.TakeInventory("PowerJumpBoots_HighJump",1);
		return false;
	}
	override void DoEffect()
	{
		Super.DoEffect();
		if ( !Owner || !Owner.player ) return;
		draincnt++;
		if ( (draincnt >= 700) || (bActive && (owner.player.jumptics == -1)) )
		{
			draincnt = 0;
			charge--;
			Owner.A_PlaySound("boot/jump",CHAN_BODY);
		}
		else if ( (charge <= 0) && owner.player.onground )
		{
			if ( Owner.CheckLocalView() ) Console.Printf(StringTable.Localize("$D_JUMPBOOTS"));
			Amount--;
			Owner.TakeInventory("PowerJumpBoots_HighJump",1);
			charge = defaultcharge;
			bActive = false;
			if ( Amount <= 0 ) DepleteOrDestroy();
		}
	}
	override void PostBeginPlay()
	{
		Super.PostBeginPlay();
		if ( (level.maptime > 0) || !InStateSequence(CurState,FindState("Spawn")) ) return;
		// detect hurtfloors
		// can't detect terraindef-based damage
		// this is currently an engine limitation
		bool foundslime = false;
		bool foundlava = false;
		bool foundswim = false;
		for ( int i=0; i<level.Sectors.Size(); i++ )
		{
			Sector s = level.Sectors[i];
			if ( s.MoreFlags&Sector.SECMF_UNDERWATER ) foundswim = true;
			if ( !s.DamageInterval || !s.DamageAmount ) continue;
			if ( s.DamageType == 'Slime' ) foundslime = true;
			else if ( s.DamageType == 'Fire' ) foundlava = true;
		}
		// TODO replace self with asbestos/toxin suits or scuba
	}
	override void AttachToOwner( Actor Other )
	{
		Super.AttachToOwner(Other);
		Other.GiveInventory("PowerJumpBoots_IronFeet",1);
	}
	override void DetachFromOwner()
	{
		Super.DetachFromOwner();
		Owner.TakeInventory("PowerJumpBoots_HighJump",1);
		Owner.TakeInventory("PowerJumpBoots_IronFeet",1);
	}
	States
	{
	Spawn:
		JBUT A -1;
		Stop;
	}
}

Class MotionDetector : UnrealInventory
{
	Default
	{
		Tag "$T_DETECTOR";
		+COUNTITEM;
		+INVENTORY.BIGPOWERUP;
		+INVENTORY.ALWAYSPICKUP;
		Inventory.MaxAmount 1;
		Inventory.Icon "I_Detect";
		Inventory.PickupMessage "$I_DETECTOR";
		Inventory.RespawnTics 1050;
		UnrealInventory.Charge 3500;
	}
	States
	{
	Spawn:
		MDET A -1;
		Stop;
	}
}

Class SCUBAGear : UnrealInventory
{
	Default
	{
		Tag "$T_SCUBA";
		Inventory.MaxAmount 1;
		Inventory.Icon "I_Scuba";
		Inventory.PickupMessage "$I_SCUBA";
		Inventory.RespawnTics 700;
		UnrealInventory.Charge 4200;
	}
	States
	{
	Spawn:
		SCUB A -1;
		Stop;
	}
}