Engine.Ammunition

class Ammunition extends Inventory
	abstract
	native
	nativereplication;

var travel int MaxAmmo;
var travel int AmmoAmount;

// Network replication
//
/*
replication
{
}
*/

event Replication()
{
	Super.Replication();
	if( bNetOwner )
		DOREP('AmmoAmount');
}

//NEW
//only will be called for our local client, no one else will have Ammo replicated to them
simulated function PostRecvOwner()
{
	local Inventory Inv;
	
	Super.PostRecvOwner();
	if( Pawn(Owner) != None )
		for( Inv=Owner.Inventory; Inv!=None; Inv=Inv.Inventory )   
			if ( Weapon(Inv) != None && Weapon(Inv).AmmoName == Class )
				Weapon(Inv).AmmoType = Self;
}
//OLD

simulated function DisplayDebug(Canvas Canvas, out float YL, out float YPos)
{
	Canvas.DrawText("Ammunition "$GetItemName(string(self))$" amount "$AmmoAmount);
	YPos += YL;
	Canvas.SetPos(4,YPos);
}
	
function bool HandlePickupQuery( pickup Item )
{
	if ( class == item.InventoryType ) 
	{
		if (AmmoAmount==MaxAmmo) 
			return true;
		item.AnnouncePickup(Pawn(Owner));
		AddAmmo(Ammo(item).AmmoAmount);
		return true;				
	}
	if ( Inventory == None )
		return false;

	return Inventory.HandlePickupQuery(Item);
}

// This function is called by an actor that wants to use ammo.  
// Return true if ammo exists 
//

/*
//NEW comment: NOT simulated so that we will not switch weapons unless the client knows that it is out of ammo
this keeps the client from switching weapons too early (when the server still believes it has ammo)
*/

function bool UseAmmo(int AmountNeeded)
{
//NEW (mdf) infinite ammo support
	//2002.12.19 (mdf) warning fix
	if( Level.Game.GetInfiniteAmmo() || (Pawn(Owner) != None && Pawn(Owner).GetInfiniteAmmo()) )
		return true;
//OLD
	if (AmmoAmount < AmountNeeded) return False;   // Can't do it
	AmmoAmount -= AmountNeeded;
	return True;
}

// If we can, add ammo and return true.  
// If we are at max ammo, return false
//
function bool AddAmmo(int AmmoToAdd)
{
	If (AmmoAmount >= MaxAmmo) 
		return false;
	AmmoAmount = Min(MaxAmmo, AmmoAmount+AmmoToAdd);
	return true;
}

defaultproperties
{
     UseReticleOnEvents(0)="UseReticleText"
     UseReticleOnEvents(1)="UseReticleCorners"
     UseReticleOnEvents(2)="UseReticleTopBars"
     ProximityReticleOnEvents(0)="ProximityReticleCorners"
     ProximityReticleOnEvents(1)="ProximityReticleTopBars"
}