A Christmas present for ZDoom

[The Ultimate DooMer]

Yay! Although I have to say, I am surprised about the addition of a PickUp state. I thought you could just make items use themselves automatically on pickup anyway.

Does that mean we have custom inventory items (Hexen style) now Graf?

[Graf Zahl]

Yes. You can do anything you can do with code pointers or action specials.

Here's one completely useless test item:

Code: Select all

ACTOR TestItemX : Inventory
{
	Inventory.PickupMessage "Picked up some crap!"
	+INVBAR
	Inventory.Icon MEDIA0
	States
	{
	Spawn:
		MEDI A -1
		Stop
	
	Use:
		TNT1 A 0 A_JumpIfInventory("RedCard", 1, 3)
		TNT1 A 0 A_GiveInventory("InvulnerabilitySphere")
		TNT1 A 0 A_FireCustomMissile("Rocket", 0, 0)
		TNT1 A 0 A_GiveInventory("BlueArmor")
		Stop
	Pickup:
		TNT1 A 0 A_GiveInventory("Megasphere")
		TNT1 A 0 Door_Open(3, 150)
		TNT1 A 0 A_SelectWeapon("Fist")
		Stop
	}
}

[Daniel]

Yes. You can do anything you can do with code pointers or action specials.

Is it available on the ZDoom version linked in ZDoom Wiki?

[Graf Zahl]

No. You'd have to recompile it again. I could do that but I simply can't host the file anywhere.

[deathz0r]

No. You'd have to recompile it again. I could do that but I simply can't host the file anywhere.

Email me (deathz0r at zdaemon.org) and I'll host it in no time (from when I read my email box)!

[David Ferstat]

I'll happily mirror it, also.

[DoomRater]

And then we can have some extreme items that- well, ideas were already presented around the board on that... So how about items that don't use themselves up in DECORATE inventory? I wanna make a CD player for example, and you use the CD's in your inventory to change the music.

[Graf Zahl]

I wanna make a CD player for example, and you use the CD's in your inventory to change the music.

That shouldn't be a problem. The CD player would just be an item with no function. These can't be used and just stay in the inventory as inert items. For the CD's you'd probably need some ACS scripting to do it properly but it is doable.

But before I recompile the new version I'll re-add some code that has been submitted elsewhere and is already in the .97 code base. I think Thursday evening I can send it to those who want to host it. Sorry but tomorrow I won't have any time to do it.


EDIT:

I'll delay this until the weekend. I just tried playing around with Kaiser's dialog compiler for Strife and there is one thing I'd like to add to make it more useful: Special items that perform some actions when dropped by monsters. This is one of the features Strife uses and some DECORATE support for it might be nice.

[DoomRater]

ACS scripting I figured would be necessary but then again that's not a problem as long as it's for a TC. And what would be better than a Maniac Mansion TC? (random idea for the day)

Oh, that extra feature is making me drool. I don't know quite what to do with it yet... but unlike DS's extra features, these are more likely to be used.

[Grubber]

If you still haven't got it compiled, grab it here.

[Graf Zahl]

Thanks. Although I'll still add the feature mentioned above.

[Grubber]

You're welcome . Of course add the feature, I'll compile it again.

[Killo Zapit]

I wanna make a CD player for example, and you use the CD's in your inventory to change the music.

That shouldn't be a problem. The CD player would just be an item with no function. These can't be used and just stay in the inventory as inert items. For the CD's you'd probably need some ACS scripting to do it properly but it is doable.

I think what he wants is an inventory item that can be used but dosn't go away. The only way I know of to do that is like this:

Code: Select all

ACTOR MagicThingy : Inventory
{
+INVBAR
Inventory.MaxAmount 2
states
	{
	Spawn:
		RKEY A 4
		BKEY A 4
		YKEY A 4
		loop
	Use:
		RKEY A 1 A_GiveInventory("MagicThingy")
		RKEY A 1 A_JumpIfInventory("Mana1", 10, 2)
		RKEY A 1 A_PlaySound("*usefail")
		Stop
		RKEY A 1 A_TakeInventory("Mana1", 10)
		RKEY A 1 HealThing(5)
		Stop
	}
}

[Graf Zahl]

Yes, that would be a simple solution but there is one problem with it. The GiveInventory call will fail when the user has the maximum amount of items of this kind. I think I need to add a mechanism to notify failure. The simplest thing would be a 'Fail' instead of 'Stop' at the end of the state sequence.


EDIT: done

I needed some handling for states which jump to themselves anyway so I just used that to signal failure. And to make it more intuitive I added 'FAIL' as a synonym for 'WAIT'.


Now you can do:

Code: Select all

ACTOR MagicThingy : Inventory
{
+INVBAR
Inventory.MaxAmount 1
states
	{
	Spawn:
		RKEY A 4
		BKEY A 4
		YKEY A 4
		loop
	Use:
		RKEY A 1 A_JumpIfInventory("Mana1", 10, 2)
		RKEY A 1 A_PlaySound("*usefail")
		Fail
		RKEY A 1 A_TakeInventory("Mana1", 10)
		RKEY A 1 HealThing(5)
		Fail
	}
}

and the item will stay.

[Anakin S.]

Yes. You can do anything you can do with code pointers or action specials.

Here's one completely useless test item:

Code: Select all

ACTOR TestItemX : Inventory
{
	Inventory.PickupMessage "Picked up some crap!"
	+INVBAR
	Inventory.Icon MEDIA0
	States
	{
	Spawn:
		MEDI A -1
		Stop
	
	Use:
		TNT1 A 0 A_JumpIfInventory("RedCard", 1, 3)
		TNT1 A 0 A_GiveInventory("InvulnerabilitySphere")
		TNT1 A 0 A_FireCustomMissile("Rocket", 0, 0)
		TNT1 A 0 A_GiveInventory("BlueArmor")
		Stop
	Pickup:
		TNT1 A 0 A_GiveInventory("Megasphere")
		TNT1 A 0 Door_Open(3, 150)
		TNT1 A 0 A_SelectWeapon("Fist")
		Stop
	}
}

But this wouldn't give the player those items, and instead would give them to the TestItemX, right? Is there a way to make it give the item to the player?