gzdoom/wadsrc/static/actors/doom/doomkeys.txt

Actor DoomKey : Key
{
	Radius 20
	Height 16
	+NOTDMATCH
}

// Blue key card ------------------------------------------------------------

Actor BlueCard : DoomKey
{
	Inventory.Pickupmessage "$GOTBLUECARD"
	Inventory.Icon "STKEYS0"
	States
	{
	Spawn:
		BKEY A 10
		BKEY B 10 bright
		loop
	}
}

// Yellow key card ----------------------------------------------------------

Actor YellowCard : DoomKey
{
	Inventory.Pickupmessage "$GOTYELWCARD"
	Inventory.Icon "STKEYS1"
	States
	{
	Spawn:
		YKEY A 10
		YKEY B 10 bright
		loop
	}
}

// Red key card -------------------------------------------------------------

Actor RedCard : DoomKey
{
	Inventory.Pickupmessage "$GOTREDCARD"
	Inventory.Icon "STKEYS2"
	States
	{
	Spawn:
		RKEY A 10
		RKEY B 10 bright
		loop
	}
}

// Blue skull key -----------------------------------------------------------

Actor BlueSkull : DoomKey
{
	Inventory.Pickupmessage "$GOTBLUESKUL"
	Inventory.Icon "STKEYS3"
	States
	{
	Spawn:
		BSKU A 10
		BSKU B 10 bright
		loop
	}
}

// Yellow skull key ---------------------------------------------------------

Actor YellowSkull : DoomKey
{
	Inventory.Pickupmessage "$GOTYELWSKUL"
	Inventory.Icon "STKEYS4"
	States
	{
	Spawn:
		YSKU A 10
		YSKU B 10 bright
		loop
	}
}

// Red skull key ------------------------------------------------------------

Actor RedSkull : DoomKey
{
	Inventory.Pickupmessage "$GOTREDSKUL"
	Inventory.Icon "STKEYS5"
	States
	{
	Spawn:
		RSKU A 10
		RSKU B 10 bright
		loop
	}
}