Decorate Inventory Drop

[DrewbieDoobie007]

Is there a way one can make a decorate item that the player drops upon death that checks the inventory of weapons and ammo and drops what the player had?

[bagheadspidey]

Cool idea. I've been playing around with this and have some decorate that drops most of the doom(2) stuff (pretty much everything but armor and powerups) - everything is dropped in two clups, though, which kinda sucks - also it doesn't give change on the ammo. I'll refine it later to get stuff to shoot outwards a little instead of spawning in a clump. Also it could be compacted a lot with a bit of acs.

Code: Select all

// player drops stuff when he dies
actor PlayerDropStuff : CustomInventory
{
	inventory.maxamount 0
	inventory.amount 0
	+INVENTORY.AUTOACTIVATE
	states
	{
	Use:
	// drop weapons
		TNT1 A 0 A_DropInventory ("Chainsaw")
		TNT1 A 0 A_DropInventory ("Shotgun")
		TNT1 A 0 A_DropInventory ("SuperShotgun")
		TNT1 A 0 A_DropInventory ("Chaingun")
		TNT1 A 0 A_DropInventory ("RocketLauncher")
		TNT1 A 0 A_DropInventory ("PlasmaRifle")
		TNT1 A 0 A_DropInventory ("BFG9000")
	// drop other crap
		TNT1 A 0 A_DropInventory ("Backpack")
		TNT1 A 0 A_DropInventory ("BlueCard")
		TNT1 A 0 A_DropInventory ("BlueSkull")
		TNT1 A 0 A_DropInventory ("RedCard")
		TNT1 A 0 A_DropInventory ("RedSkull")
		TNT1 A 0 A_DropInventory ("YellowCard")
		TNT1 A 0 A_DropInventory ("YellowSkull")
	// drop ammo
	FindBullets:
		TNT1 A 0 A_JumpIfInventory ("Clip", 400, 8)
		TNT1 A 0 A_JumpIfInventory ("Clip", 350, 8)
		TNT1 A 0 A_JumpIfInventory ("Clip", 300, 8)
		TNT1 A 0 A_JumpIfInventory ("Clip", 250, 8)
		TNT1 A 0 A_JumpIfInventory ("Clip", 200, 8)
		TNT1 A 0 A_JumpIfInventory ("Clip", 150, 8)
		TNT1 A 0 A_JumpIfInventory ("Clip", 100, 8)
		TNT1 A 0 A_JumpIfInventory ("Clip", 50, 8)
		goto "FindShells"
	DropBullets:
		TNT1 AAAAAAAA 0 A_SpawnItem ("ClipBox")
	FindShells:
		TNT1 A 0 A_JumpIfInventory ("Shell", 100, 5)
		TNT1 A 0 A_JumpIfInventory ("Shell", 80, 5)
		TNT1 A 0 A_JumpIfInventory ("Shell", 60, 5)
		TNT1 A 0 A_JumpIfInventory ("Shell", 40, 5)
		TNT1 A 0 A_JumpIfInventory ("Shell", 20, 5)
		goto "FindRockets"
	DropShells:
		TNT1 AAAAA 0 A_SpawnItem ("ShellBox")
	FindRockets:
		TNT1 A 0 A_JumpIfInventory ("RocketAmmo", 100, 4)
		TNT1 A 0 A_JumpIfInventory ("RocketAmmo", 75, 8)
		TNT1 A 0 A_JumpIfInventory ("RocketAmmo", 50, 12)
		TNT1 A 0 A_JumpIfInventory ("RocketAmmo", 25, 16)
		goto "FindCells"
	DropRockets:
		TNT1 AAAAAAAAAAAAAAAAAAAA 0 A_SpawnItem ("RocketBox")
	FindCells:
		TNT1 A 0 A_JumpIfInventory ("Cell", 600, 6)
		TNT1 A 0 A_JumpIfInventory ("Cell", 500, 6)
		TNT1 A 0 A_JumpIfInventory ("Cell", 400, 6)
		TNT1 A 0 A_JumpIfInventory ("Cell", 300, 6)
		TNT1 A 0 A_JumpIfInventory ("Cell", 200, 6)
		TNT1 A 0 A_JumpIfInventory ("Cell", 100, 6)
		goto "TakeAmmo"
	DropCells:
		TNT1 AAAAAA 0 A_SpawnItem ("CellPack")
	TakeAmmo:		
		TNT1 A 0 A_TakeInventory ("Clip", 0x7FFFFFFF)
		TNT1 A 0 A_TakeInventory ("Shell", 0x7FFFFFFF)
		TNT1 A 0 A_TakeInventory ("RocketAmmo", 0x7FFFFFFF)
		TNT1 A 0 A_TakeInventory ("Cell", 0x7FFFFFFF)
	}
}

... of course, you'd have to give your player a custom death state and give him one of these when he dies.

edit - fixed some stuff

[DrewbieDoobie007]

this is excellent, but consider this, could we assign all of these as items inside of 1 custom pickup, using say, the sprites from the backpack pickup (which could me modified to look different if need-be), which is dropped when an actor dies?

[HotWax]

I'll refine it later to get stuff to shoot outwards a little instead of spawning in a clump.

ZDescent, anyone?

[Matt]

this is excellent, but consider this, could we assign all of these as items inside of 1 custom pickup, using say, the sprites from the backpack pickup (which could me modified to look different if need-be), which is dropped when an actor dies?

I've tried something similar (magazines that give the picking-up player the same number of rounds that they had when dropped) and I'm quite secure in saying that this is, if not impossible or unfeasible, then unacceptably hacky unless you want to completely revamp the inventory/pickup system.

Method 1: Create a new pickup for every possible combination of inventory drops. Really bad for thirty-round mags, totally not worth it for a 100-round box, and the DECORATE code alone would probably take up hundreds of megabytes uncompressed if done for all possible item combinations even in vanilla Doom.
Problems: I'll give you one guess.

Method 2: A_CustomMissile a monster that never switches targets. This monster uses a bunch of 0-length loops to extract all the items from the player as they die. It then clears its own hate target, loses the +notargetswitch flag, and has itself constantly switch between A_Look and A_See. In its melee attack this backpack monster gives its target all of its own inventory and disappears.
Problems: Unreliable; substantial risk of giving everything to someone else

Method 3: Similar to Method 2 for the drop, but after setting its inventory the backpack monster just sits there without targeting anything. It does, however, have a +quicktoretaliate flag, and a separate pain state for "pickupdamage". You then define a new key that causes the player to punch and deal "pickupdamage" to whatever's in front of them. In the backpack monster's pain.pickupdamage state, it gives its target all of its own inventory and disappears.
Problems: Requires a new key unless you want the player to switch to a specific weapon before picking anything up; no automatic pickup (EDIT: It occurs to me you can fake this by having the player constantly shoot an instantly exploding invisible projectile with a radius smaller than the player's, with the player being set not to take any "pickupdamage" damage. However, after a few bad framerate-killing experiences with lots of explosions in QuakeC I've always been leery of anything that requires a constant series of explosions to work.)

[DrewbieDoobie007]

Upon consideration, and testing some of my own variations of bigheadspidey's code there, I like the separate items droppped better anyways, I definitely see what you mean Vaecrius with the super hacky codes and I definitely dont like the idea of that. Thanks for everybody's help!