Merge in dungeon map changes (#1)

known issues:
- in-room stairs in door shuffle draw slightly bugged sometimes
- entrance sprites in non-doors are sometimes drawn on the wrong floor
- in some modes, sanctuary will open HC map instead of sewers/HC2 map

Reviewed-on: #1
Co-authored-by: Kara Alexandra <ardnaxelarak@gmail.com>
Co-committed-by: Kara Alexandra <ardnaxelarak@gmail.com>

gk/dungeon_maps.asm

@@ -0,0 +1,40 @@
+pushpc
+incsrc dungeon_map_hooks.asm
+
+macro WriteGFXSheetPointer(sheet, location)
+	pushpc
+	org $80CFC0+<sheet>
+	db <location>>>16
+
+	org $80D09F+<sheet>
+	db <location>>>8
+
+	org $80D17E+<sheet>
+	db <location>>>0
+	pullpc
+endmacro
+
+%WriteGFXSheetPointer($C9, DungeonMapIcons1)
+%WriteGFXSheetPointer($CA, DungeonMapIcons2)
+%WriteGFXSheetPointer($D5, DungeonMapIcons3)
+%WriteGFXSheetPointer($D4, MapSheetD4)
+%WriteGFXSheetPointer($D6, DungeonMapDoorConnectors)
+
+%WriteGFXSheetPointer($61, DungeonMapIcons4)
+%WriteGFXSheetPointer($62, DungeonMapIcons5)
+%WriteGFXSheetPointer($63, DungeonMapIcons6)
+
+pullpc
+
+incsrc doors_dungeon_map.asm
+incsrc draw_rooms.asm
+incsrc map_bg3.asm
+incsrc dungeon_switch.asm
+incsrc draw_loot.asm
+incsrc check_loot.asm
+incsrc blink_loot.asm
+incsrc data/doors_display.asm
+incsrc data/spiral_stairs.asm
+incsrc data/fall_warps.asm
+incsrc data/split_room.asm
+incsrc data/doors_connections.asm