event/ → events/, and move some appropriate engine/ files there

events/card_key.asm

@@ -0,0 +1,39 @@
+_CardKey: ; 50779
+; Are we even in the right map to use this?
+	ld a, [MapGroup]
+	cp GROUP_RADIO_TOWER_3F
+	jr nz, .nope
+
+	ld a, [MapNumber]
+	cp MAP_RADIO_TOWER_3F
+	jr nz, .nope
+; Are we facing the slot?
+	ld a, [PlayerDirection]
+	and %1100
+	cp OW_UP
+	jr nz, .nope
+
+	call GetFacingTileCoord
+	ld a, d
+	cp 18
+	jr nz, .nope
+	ld a, e
+	cp 6
+	jr nz, .nope
+; Let's use the Card Key.
+	ld hl, .CardKeyScript
+	call QueueScript
+	ld a, TRUE
+	ld [wItemEffectSucceeded], a
+	ret
+
+.nope
+	ld a, FALSE
+	ld [wItemEffectSucceeded], a
+	ret
+; 507af
+
+.CardKeyScript: ; 0x507af
+	closetext
+	farjump MapRadioTower3FSignpost2Script
+; 0x507b4