LoadRoomHook:
    JSL.l IndoorTileTransitionCounter

    .noStats
    JSL Dungeon_LoadRoom
    REP #$10 ; 16 bit XY
        LDX $A0 ; Room ID
        LDA.l RoomCallbackTable, X
    SEP #$10 ; 8 bit XY
    JSL UseImplicitRegIndexedLongJumpTable
; Callback routines:
    dl NoCallback ; 00
    dl IcePalaceBombosSE ; 01
    dl IcePalaceBombosSW ; 02
    dl IcePalaceBombosNE ; 03
    dl CastleEastEntrance ; 04
    dl CastleWestEntrance ; 05
    dl PoDFallingBridge ; 06
    dl PoDArena ; 07
    dl MireBKPond ; 08

NoCallback:
    RTL

!RL_TILE = 2
!RL_LINE = 128

macro setTilePointer(roomX, roomY, quadX, quadY)
    ; Left-to-right math. Should be equivalent to 0x7e2000+(roomX*2)+(roomY*128)+(quadX*64)+(quadY*4096)
    LDX.w #<quadY>*32+<roomY>*2+<quadX>*32+<roomX>*2
endmacro

macro writeTile()
    STA.l $7E2000,x
    INX #2
endmacro

macro writeTileAt(roomX, roomY, quadX, quadY)
    STA.l <quadY>*32+<roomY>*2+<quadX>*32+<roomX>*2+$7E2000
endmacro

!BOMBOS_BORDER = #$08D0
!BOMBOS_ICON_1 = #$0CCA
!BOMBOS_ICON_2 = #$0CCB
!BOMBOS_ICON_3 = #$0CDA
!BOMBOS_ICON_4 = #$0CDB
macro DrawBombosPlatform(roomX, roomY, quadX, quadY)
    REP #$30 ; 16 AXY
    %setTilePointer(<roomX>, <roomY>, <quadX>, <quadY>)
    LDA.w !BOMBOS_BORDER
    %writeTile()
    %writeTile()
    %writeTile()
    %writeTile()

    %setTilePointer(<roomX>, <roomY>+1, <quadX>, <quadY>)
    %writeTile()
    LDA.w !BOMBOS_ICON_1 : %writeTile()
    LDA.w !BOMBOS_ICON_2 : %writeTile()
    LDA.w !BOMBOS_BORDER : %writeTile()

    %setTilePointer(<roomX>, <roomY>+2, <quadX>, <quadY>)
    %writeTile()
    LDA.w !BOMBOS_ICON_3 : %writeTile()
    LDA.w !BOMBOS_ICON_4 : %writeTile()
    LDA.w !BOMBOS_BORDER : %writeTile()

    %setTilePointer(<roomX>, <roomY>+3, <quadX>, <quadY>)
    %writeTile()
    %writeTile()
    %writeTile()
    %writeTile()
    SEP #$30 ; 8 AXY
endMacro

IcePalaceBombosSE:
    LDA AllowSwordlessMedallionUse : CMP #$01 : BEQ + : RTL : +
    %DrawBombosPlatform(14, 18, 1, 1)
    RTL
IcePalaceBombosSW:
    LDA AllowSwordlessMedallionUse : CMP #$01 : BEQ + : RTL : +
    %DrawBombosPlatform(14, 18, 0, 1)
    RTL
IcePalaceBombosNE:
    LDA AllowSwordlessMedallionUse : CMP #$01 : BEQ + : RTL : +
    %DrawBombosPlatform(14, 18, 1, 0)
    RTL

CastleEastEntrance: ; new solution (see Rain Prevention)
	RTL

CastleWestEntrance: ; new solution (see Rain Prevention)
    RTL

PoDFallingBridge:
	LDA.l DRFlags : AND #$10 : BNE + : RTL : +

	REP #$20 ; 16 A
	LDA.w #$08e1  ; square peg
	%writeTileAt(5,7,0,1)
	%writeTileAt(11,7,0,1)
	INC ;horizontal rail
	%writeTileAt(6,7,0,1)
	%writeTileAt(7,7,0,1)
	%writeTileAt(8,7,0,1)
	%writeTileAt(9,7,0,1)
	%writeTileAt(10,7,0,1)
	SEP #$20 ; 8 A

	REP #$20 ; 16 A
	LDA.w #$08e0 ; corner top left
	%writeTileAt(5,6,0,1)
	%writeTileAt(10,6,0,1)
	LDA.w #$48e0 ; corner top right
	%writeTileAt(6,6,0,1)
	%writeTileAt(11,6,0,1)
	LDA.w #$08f4 ; top mid
	%writeTileAt(7,6,0,1)
	%writeTileAt(8,6,0,1)
	%writeTileAt(9,6,0,1)

	LDA.w #$08f1 ; corner mid left
	%writeTileAt(5,7,0,1)
	%writeTileAt(10,7,0,1)
	LDA.w #$48f1 ; corner mid right
	%writeTileAt(6,7,0,1)
	%writeTileAt(11,7,0,1)
	LDA.w #$08f2 ; mid mid
	%writeTileAt(7,7,0,1)
	%writeTileAt(8,7,0,1)
	%writeTileAt(9,7,0,1)

	LDA.w #$08e4 ; corner lower left
	%writeTileAt(5,8,0,1)
	%writeTileAt(10,8,0,1)
	LDA.w #$48e4 ; corner lower right
	%writeTileAt(6,8,0,1)
	%writeTileAt(11,8,0,1)
	LDA.w #$08e5 ; lower mid
	%writeTileAt(7,8,0,1)
	%writeTileAt(8,8,0,1)
	%writeTileAt(9,8,0,1)
	SEP #$20 ; 8 A
	RTL

;08e0 48e0 08f4 08f4 08e0 48e0
;08f1 48f1 08f2 08f2 08f1 48f1
;08e4 48e4 08e5 08e5 08e4 48e4
;
;(54,42) 22,10,1,1  42 85 2720 2742 156C
;(54,43) 22,11,1,1  43 87 2784 2806 15EC
;(54,44) 22,12,1,1  44 89 2848 2870 166C
PoDArena:
	LDA.l DRFlags : AND #$10 : BNE + : RTL : +

	REP #$20 ; 16 A
	LDA.w #$08e0 ; corner top left
	%writeTileAt(22,10,1,1)
	%writeTileAt(25,10,1,1)
	LDA.w #$48e0 ; corner top right
	%writeTileAt(23,10,1,1)
	%writeTileAt(26,10,1,1)
	LDA.w #$08f4 ; top mid
	%writeTileAt(24,10,1,1)

	LDA.w #$08f1 ; corner mid left
	%writeTileAt(22,11,1,1)
	%writeTileAt(25,11,1,1)
	LDA.w #$48f1 ; corner mid right
	%writeTileAt(23,11,1,1)
	%writeTileAt(26,11,1,1)
	LDA.w #$08f2 ; mid mid
	%writeTileAt(24,11,1,1)

	LDA.w #$08e4 ; corner lower left
	%writeTileAt(22,12,1,1)
	%writeTileAt(25,12,1,1)
	LDA.w #$48e4 ; corner lower right
	%writeTileAt(23,12,1,1)
	%writeTileAt(26,12,1,1)
	LDA.w #$08e5 ; lower mid
	%writeTileAt(24,12,1,1)
	SEP #$20 ; 8 A
	RTL

MireBKPond:
	LDA.l DRFlags : AND #$10 : BNE + : RTL : +

	REP #$20 ; 16 A
	LDA.w #$08e0 ; corner top left
	%writeTileAt(13,11,1,1)
	%writeTileAt(17,11,1,1)
	LDA.w #$48e0 ; corner top right
	%writeTileAt(14,11,1,1)
	%writeTileAt(18,11,1,1)
	LDA.w #$08f4 ; top mid
	%writeTileAt(15,11,1,1)
	%writeTileAt(16,11,1,1)

	LDA.w #$08f1 ; corner mid left
	%writeTileAt(13,12,1,1)
	%writeTileAt(17,12,1,1)
	LDA.w #$48f1 ; corner mid right
	%writeTileAt(14,12,1,1)
	%writeTileAt(18,12,1,1)
	LDA.w #$08f2 ; mid mid
	%writeTileAt(15,12,1,1)
	%writeTileAt(16,12,1,1)

	LDA.w #$08e4 ; corner lower left
	%writeTileAt(13,13,1,1)
	%writeTileAt(17,13,1,1)
	LDA.w #$48e4 ; corner lower right
	%writeTileAt(14,13,1,1)
	%writeTileAt(18,13,1,1)
	LDA.w #$08e5 ; lower mid
	%writeTileAt(15,13,1,1)
	%writeTileAt(16,13,1,1)
	SEP #$20 ; 8 A
	RTL

RoomCallbackTable:
    ;    0    1    2    3	 4    5    6    7    8    9    A    B    C    D    E    F
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $01, $00 ; 00x
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $06, $00, $00, $00, $00, $00 ; 01x
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $07, $00, $00, $00, $00, $00 ; 02x
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 03x
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 04x
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 05x
    db $05, $00, $04, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 06x
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $02, $00 ; 07x
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 08x
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 09x
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 0Ax
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 0Bx
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 0Cx
    db $00, $08, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $03, $00 ; 0Dx
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 0Ex
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 0Fx
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 0Fx
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 10x
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 11x
    db $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00, $00 ; 12x