trinket costume test

local Mod = RegisterMod("CustomTrinketCostumes", 1)
local game = Game()

local costume = false

Mod.COSTUME_BROWN_CAP = Isaac.GetCostumeIdByPath("gfx/characters/miserere_brown_cap.anm2")		-- costume

function Mod:onCostumeUpdate(player)

	if player:HasTrinket(75)
	and not (player:GetTrinket(0) == 75)
	and not (player:GetTrinket(1) == 75)
	and costume == false then

		player:AddNullCostume(Mod.COSTUME_BROWN_CAP)	-- add costume
		costume = true
	else
		if not player:HasTrinket(75)
		and costume == true then
			Isaac.ConsoleOutput("Arrrgh")
			player:TryRemoveNullCostume(Mod.COSTUME_BROWN_CAP)	-- remove costume
			costume = false
		end
	end
end
Mod:AddCallback(ModCallbacks.MC_POST_PEFFECT_UPDATE, Mod.onCostumeUpdate)