Files
alttpr-baserom/menu/overworldmap.asm
2025-02-16 12:11:07 -06:00

469 lines
13 KiB
NASM

pushpc
org $8ABABE : JSL WorldMap_LoadChrHalfSlot
org $8ABDF6
WorldMapIcon_DungeonPointers: ; dungeon idx order
dw WorldMapIcon_pos_hc
dw $0000
dw WorldMapIcon_pos_ep
dw WorldMapIcon_pos_dp
dw WorldMapIcon_pos_at
dw WorldMapIcon_pos_sp
dw WorldMapIcon_pos_pod
dw WorldMapIcon_pos_mm
dw WorldMapIcon_pos_sw
dw WorldMapIcon_pos_ip
dw WorldMapIcon_pos_toh
dw WorldMapIcon_pos_tt
dw WorldMapIcon_pos_tr
dw WorldMapIcon_pos_gt
WorldMapIcon_ExtraPointers: ; dungeon idx order
dw WorldMapIcon_extrapos_hc
dw $0000
dw $0000
dw WorldMapIcon_extrapos_dp
dw $0000
dw $0000
dw $0000
dw $0000
dw WorldMapIcon_extrapos_sw
dw $0000
dw $0000
dw $0000
dw WorldMapIcon_extrapos_tr
dw $0000
warnpc $8ABE2E
org $8ABE2E
; located posx/posy, dislocated posx/posy, prize pox/posy
; located = proper location of icon (default: if you have map)
; dislocated = location of icon if proper location is hidden from player
; highest bit on first posx indicates which world it should show in
; $FFxx on X coord means skip drawing
WorldMapIcon_pos:
.hc
dw $FF00, $FF00, $FF00, $FF00, $FF00, $FF00
.ep
dw $0F31, $0620, $FF00, $FF00, $0F31, $0620
.dp
dw $0108, $0D70, $FF00, $FF00, $0108, $0D70
.at
dw $FF00, $FF00, $FF00, $FF00, $FF00, $FF00
.sp
dw $8759, $0ED0, $FF00, $FF00, $8759, $0ED0
.pod
dw $8F40, $0620, $FF00, $FF00, $8F40, $0620
.mm
dw $8100, $0CA0, $FF00, $FF00, $8100, $0CA0
.sw
dw $8082, $00B0, $FF00, $FF00, $8082, $00B0
.ip
dw $8CA0, $0DA0, $FF00, $FF00, $8CA0, $0DA0
.toh
dw $08D0, $0080, $FF00, $FF00, $08D0, $0080
.tt
dw $81D0, $0780, $FF00, $FF00, $81D0, $0780
.tr
dw $8F11, $0103, $FF00, $FF00, $8F11, $0103
.gt
dw $FF00, $FF00, $FF00, $FF00, $FF00, $FF00
warnpc $8ABECA
org $8ABECA
; additional icons posx/posy (terminator = $FFxx)
; additional icons only show if located
; highest bit on posx indicates which world it should show in
WorldMapIcon_extrapos:
.hc
dw $FF00, $FF00, $FF00, $FF00, $FF00, $FF00, $FF00, $FF00, $FFFF
.dp
dw $FF00, $FF00, $FF00, $FF00, $FF00, $FF00, $FFFF
.sw
dw $FF00, $FF00, $FF00, $FF00, $FF00, $FF00, $FF00, $FF00, $FF00, $FF00, $FF00, $FF00, $FF00, $FF00, $FFFF
.tr
dw $FF00, $FF00, $FF00, $FF00, $FF00, $FF00, $FFFF
; FREE: 0x15 bytes, for any future usage of extra icons ^^^
warnpc $8ABF2B
org $8ABF2B
WorldMapIcon_Numbers:
db $7F, $79, $6C, $6D, $6E, $6F, $7C, $7D, $7E
org $8ABF34
PrizeExists:
dw $37F8
org $8ABF36
; vhpp ccco tttttttt
; v/h - vert/horiz flip
; p - draw priority
; c - color palette idx
; o - OAM page change
; t - VRAM tile idx
WorldMapIcon_prize_tile:
db $00, $00 ; ; Hyrule Castle
db $00, $00 ; ; Sewers
db $38, $60 ; green pendant ; Eastern Palace
db $34, $60 ; blue pendant ; Desert Palace
db $00, $00 ; ; Agahnim's Tower
db $34, $64 ; crystal ; Swamp Palace
db $34, $64 ; crystal ; Dark Palace
db $32, $64 ; red crystal ; Misery Mire
db $34, $64 ; crystal ; Skull Woods
db $32, $64 ; red crystal ; Ice Palace
db $32, $60 ; red pendant ; Tower of Hera
db $34, $64 ; crystal ; Thieves' Town
db $34, $64 ; crystal ; Turtle Rock
db $00, $00 ; ; Ganon's Tower
warnpc $8ABF52
org $8ABF52
WorldMapIcon_dungeon_tile:
db $1A, $7E ; white H ; Hyrule Castle
db $00, $00 ; ; Sewers
db $14, $7B ; blue 1 ; Eastern Palace
db $14, $6B ; blue 2 ; Desert Palace
db $1A, $7D ; white A ; Agahnim's Tower
db $12, $79 ; red 2 ; Swamp Palace
db $12, $7F ; red 1 ; Dark Palace
db $12, $6F ; red 6 ; Misery Mire
db $12, $6C ; red 3 ; Skull Woods
db $12, $6E ; red 5 ; Ice Palace
db $14, $7A ; blue 3 ; Tower of Hera
db $12, $6D ; red 4 ; Thieves' Town
db $12, $7C ; red 7 ; Turtle Rock
db $12, $66 ; skull ; Ganon's Tower
; db $22, $68 ; red X
warnpc $8ABF6E
org $8ABF6E
CompassExists:
dw $37FC
; mirror portal fixes
org $8ABF74
db $24, $64, $E4, $A4 ; lowering mirror portal draw priority
org $8ABFFA
db $4C ; use other mirror portal gfx
org $8AC00E
db $01 ; draw in 2nd OAM slot
org $8AC012 ; <- 54012 - Bank0A.asm:1039 (LDA $7EF2DB : AND.b #$20 : BNE BRANCH_DELTA)
BRA + : NOP #6 : + ; skip pyramid open check
; Scrap
; $00/$01 = Dungeon Pointer
; $02/$03 = Extra Pointer
; $04 = Current World
; $05 = Current Dungeon
; $06 = Helper Bitfield
; $0A = Used as flag to draw icon overlay
; $0B-$0F = OAM GFX Data
org $8AC02B
DrawPrizesOverride:
PHB : LDA.b #WorldMapIcon_DungeonPointers>>16 : PHA : PLB
LDA.l CurrentWorld : STA.b Scrap04
LDY.b #$00 : STY.b Scrap0A
REP #$20
LDA.w #$0800+8 : STA.b OAMPtr
LDA.w #$0A20+2 : STA.b OAMPtr+2
LDY.b #$1A
.next_dungeon
STY.b Scrap05
REP #$20
LDA.w WorldMapIcon_DungeonPointers,Y : BNE + : JMP .advance : +
STA.b Scrap00
LDA.w WorldMapIcon_ExtraPointers,Y : STA.b Scrap02
JSR WorldMap_CheckForDungeonState
LDA.w WorldMapIcon_dungeon_tile,Y : BNE + : JMP .advance : +
XBA : STA.b Scrap0C
TAX : CPX.b #$68 : BNE +
; handle red X animation
PHX
LDA.b FrameCounter : LSR #3 : AND.w #$0003 : TAX
LDA.l WorldMap_RedXChars,X : TAX : STX.b Scrap0D
PLX : CPX.b #$68
BRA .do_dungeon
+
LDA.b FrameCounter : AND.w #$0010 : BEQ + : JMP .show_prizes : +
.do_dungeon
; determine tile size
LDX.b #$00 : BCS +
LDX.b #$02
+ STX.b Scrap0B
LDA.l CompassMode : AND.w #$00F0 : ORA.b Scrap06
BIT.w #$0040 : BEQ .main_dungeon_icon
BIT.w #$0003 : BEQ .main_dungeon_icon
; draw additional dungeon icon under prize
LDY.b #$08 ; 8 is located
BIT.w #$0002 : BNE +
LDY.b #$04 ; 4 is dislocated
+
JSR WorldMap_ValidateCoords : BCS .main_dungeon_icon
JSR WorldMap_DrawTile
; determine located/dislocated/hidden
.main_dungeon_icon
LDA.l CompassMode : AND.w #$00F0 : ORA.b Scrap06
BIT.w #$0020 : BEQ + : BIT.w #$0004 : BNE .show_dungeon ; compass mode, show dungeon icon if its allowed to
+ BIT.w #$0040 : BEQ + : BIT.w #$0008 : BNE .show_dislocated_dungeon : JMP .advance : + ; hidden
.show_dungeon
LDY.b #$00 ; 0 is located
BIT.w #$0004 : BNE + : BIT.w #$0030 : BEQ +
.show_dislocated_dungeon
LDY.b #$04 ; 4 is dislocated
+
; determine if draw and/or continue
JSR WorldMap_ValidateCoords : BCC +
BNE .extras : BRA .advance
+
JSR WorldMap_DrawTile
; TODO: draw X if prize icon is X?... here?
.extras
CPY.b #$04 : BCS .advance ; dislocated dungeon skips extras
LDA.b Scrap02 : BEQ .advance : STA.b Scrap00
LDY.b #$00
.next_icon
JSR WorldMap_ValidateCoords : BCC +
BEQ .advance : INY #4 : BRA .next_icon
+
JSR WorldMap_DrawTile
BRA .next_icon
.show_prizes
LDA.w WorldMapIcon_prize_tile,Y : BEQ .advance
XBA : STA.b Scrap0C
LDX.b #$02 : STX.b Scrap0B ; all prize icons are wide
; determine located/dislocated/unknown
LDA.l CompassMode : AND.w #$00F0 : ORA.b Scrap06
LDY.b #$04 ; 4 is dislocated
BIT.w #$000B : BEQ .advance
BIT.w #$0008 : BNE .prize_known_check
BIT.w #$0002 : BEQ +
LDY.b #$08 ; 8 is located
.prize_known_check
BIT.w #$0001 : BNE +
; don't know what prize
BIT.w #$0040 : BEQ .advance
; red X
STZ.b Scrap0B
LDA.b FrameCounter : LSR #3 : AND.w #$0003 : TAX
LDA.l WorldMap_RedXChars,X : AND.w #$00FF : ORA.w #$2200 : STA.b Scrap0C
+
; determine if draw and/or continue
JSR WorldMap_ValidateCoords : BCS .advance
JSR WorldMap_DrawTileOverlay
JSR WorldMap_DrawTile
.advance
LDY.b Scrap05 : DEY #2 : BMI + : JMP .next_dungeon : +
PLB
PLA : XBA : STA.l $7EC10A
PLA : XBA : STA.l $7EC108
SEP #$20
RTS
; returns with C set if we skip drawing
; returns with Z unset if we want to continue loop for this dungeon
WorldMap_ValidateCoords:
; checks if icon is valid
LDA.b (Scrap00),Y : CMP.w #$FF00 : LDX.b #$00 : BCS .fail ; exits with C and Z set
BIT.w #$8000 : BEQ +
LDX.b #$40
+
; checks if icon is for this world
CPX.b Scrap04 : BNE .fail ; exits with C set and Z unset
AND.w #$7FFF : STA.l $7EC10A
INY #2 : LDA.b (Scrap00),Y : STA.l $7EC108
INY #2
CLC : RTS
.fail
SEC : RTS
WorldMap_DrawTileOverlay:
LDA.l CompassMode : AND.w #$0040 : BEQ +
LDA.b Scrap05 : BIT.w #$0100 : BEQ .skip+1
LSR : AND.w #$000F : TAX
LDA.l CrystalPendantFlags_3,X : TAX : BEQ .skip+1
CPX.b #$08 : !BGE +
LDA.b Scrap0C : PHA
LDA.l WorldMapIcon_Numbers-1,X
AND.w #$00FF : ORA.w #$3A00 : STA.b Scrap08
BRA .do_overlay
+
LDA.b Scrap0C : PHA
AND.w #$FF00 : ORA.w #$006A : STA.b Scrap08 ; temp store overlay tile info
LDA.b 1,S : AND.w #$0EFF
CMP.w #$0264 : BEQ .do_overlay ; red crystal
CMP.w #$0860 : BEQ .do_overlay ; green pendant
.skip
PLA
RTS
.do_overlay
LDX.b Scrap0B : PHX
LDX.b #$01 : STX.b Scrap0A
DEX : STX.b Scrap0B
LDA.b Scrap08 : STA.w Scrap0C
JSR WorldMap_DrawTile
LDX.b #$00 : STX.b Scrap0A
PLX : PLA : STX.b Scrap0B : STA.b Scrap0C
RTS
WorldMap_DrawTile:
LDA.b Scrap00 : PHA
SEP #$20
LDX.b Scrap0B : TXA : STA.b (OAMPtr+2)
INC.b OAMPtr+2
JSR WorldMap_CalculateOAMCoordinates
LDX.b Scrap0A : BEQ +
LDA.b Scrap0E : CLC : ADC.b #$04 : STA.b Scrap0E
LDA.b Scrap0F : CLC : ADC.b #$04 : STA.b Scrap0F
+
LDX.b Scrap0B : BEQ +
LDA.b Scrap0E : SEC : SBC.b #$04 : STA.b Scrap0E
LDA.b Scrap0F : SEC : SBC.b #$04 : STA.b Scrap0F
+
REP #$20
PLA : STA.b Scrap00
LDA.b Scrap0E : STA.b (OAMPtr)
INC.b OAMPtr : INC.b OAMPtr
LDA.b Scrap0C : STA.b (OAMPtr)
INC.b OAMPtr : INC.b OAMPtr
RTS
; Y - dungeon index
; TODO: This is terribly inefficient and needs to be rewritten someday
; DungeonItemMasks = 16-bit mask for bitfields
; DungeonsCompleted = 16-bit bitfield for beaten bosses
; MapMode = flag is maps are not wild
; MapField = 16-bit bitfield for collected maps
; MapOverlay = 16-bit bitfield for revealed prizes via Saha/Bomb Shop
; CompassMode = (repurposed version of MapMode above)
; 0x80 = flag is compasses are not wild (similar to MapMode)
; 0x10 = Maps reveals location of dungeons
; 0x20 = Compass reveals location of dungeons
; 0x40 = Boss kill reveals location of prize
; CompassField = 16-bit bitfield for collected compasses
WorldMap_CheckForDungeonState:
PHY : TYX
LDY.b #$00 ; used as bitfield
; determine if prize is revealed
LDA.l MapMode : AND.w #$0001 : BEQ .setRevealPrize ; 0 = always show, 1 = requires map
LDA.l MapField : ORA.l MapOverlay : AND.l DungeonItemMasks,X : BEQ +
.setRevealPrize
TYA : ORA.w #$0001 : TAY
+
; determine if prize is located
LDA.l CompassMode : BIT.w #$0040 : BEQ + ; boss defeated
JSR WorldMap_CheckPrizeCollected : BCC ++
TYA : AND.w #$00FD : ORA.w #$0008 : TAY ; prize collected, hide prize icons
BRA .dungeon_icon
++ LDA.l DungeonsCompleted : AND.l DungeonItemMasks,X : BEQ ++
.setLocatePrize
TYA : ORA.w #$0002 : TAY
BRA .dungeon_icon
++ LDA.l MapOverlay : AND.l DungeonItemMasks,X : BNE .setLocatePrize
BRA .dungeon_icon
+ BIT.w #$0030 : BNE + ; Default ow map
.defaultPrizeCheck
LDA.l MapMode : AND.w #$00FF : BEQ .setLocatePrize ; 0 = always show, 1 = requires map
LDA.l MapField : ORA.l MapOverlay : AND.l DungeonItemMasks,X : BNE .setLocatePrize
BRA .dungeon_icon
+ BIT.w #$0020 : BEQ + ; compass collected
BIT.w #$0080 : BEQ .setLocatePrize ; 0 = always show, 1 = require compass
LDA.l CompassExists : AND.l DungeonItemMasks,X : BEQ .setLocatePrize
LDA.l CompassField : ORA.l MapOverlay : AND.l DungeonItemMasks,X : BNE .setLocatePrize
+ LDA.l CompassMode : BIT.w #$0010 : BNE .defaultPrizeCheck ; map collected
; determine if dungeon is located
.dungeon_icon
LDA.l CompassMode : BIT.w #$0020 : BEQ + ; compass collected
BIT.w #$0080 : BEQ .setLocateDungeon ; 0 = always show, 1 = require compass
LDA.l CompassExists : AND.l DungeonItemMasks,X : BEQ .setLocateDungeon
LDA.l CompassField : AND.l DungeonItemMasks,X : BNE .setLocateDungeon
+ ; Overworld Map: Default or Map option
LDA.l CompassMode : BIT.w #$0010 : BNE ++
BIT.w #$0040 : BEQ ++ ; skip if wild prizes
LDA.l PrizeExists : AND.l DungeonItemMasks,X : BNE +
++
LDA.l MapMode : AND.w #$00FF : BNE + ; 0 = always show, 1 = requires map
LDA.l MapField : AND.l DungeonItemMasks,X : BEQ +
.setLocateDungeon
TYA : ORA.w #$0004 : TAY
+
.continue
STY.b Scrap06
PLY
RTS
WorldMap_CheckPrizeCollected:
PHX
TXA : LSR : TAX
LDA.l CrystalPendantFlags_3,X : AND.w #$00FF : BEQ .prize_not_collected
CMP.w #$0008 : LDA.l CrystalPendantFlags,X : BCS .pendant
AND.l CrystalsField : BRA .check
.pendant
AND.l PendantsField
.check
AND.w #$00FF : BEQ .prize_not_collected
PLX : SEC : RTS
.prize_not_collected
PLX : CLC
RTS
warnpc $8AC3B1
pullpc
WorldMap_LoadChrHalfSlot:
JSL Graphics_LoadChrHalfSlot ; what we wrote over
PHB : LDA.b #$7F : PHA : PLB
LDA.b #PreloadedGraphicsROM>>16 : STA.b Scrap02
REP #$20
LDX.b GameSubMode : CPX.b #$07 : BEQ .not_flute_menu
REP #$10
LDX.w #(.list_end-.list_flute)-6
.next_flute_group
LDA.l .list_flute+4,X : TAY
LDA.l .list_flute+2,X : STA.b Scrap03
LDA.l .list_flute,X : STA.b Scrap00
- LDA.b [$00],Y : STA.b ($03),Y : DEY #2 : BPL -
TXA : SBC.w #6 : TAX : BPL .next_flute_group ; SEC is always set
BRA .return
.not_flute_menu
REP #$10
LDX.w #(.list_flute-.list)-6
.next_group
LDA.l .list+4,X : TAY
LDA.l .list+2,X : STA.b Scrap03
LDA.l .list,X : STA.b Scrap00
- LDA.b [$00],Y : STA.b ($03),Y : DEY #2 : BPL -
TXA : SBC.w #6 : TAX : BPL .next_group ; SEC is always set
.return
SEP #$30
PLB
RTL
; from (bank $A2 only), to (bank $7F only), length
.list
dw #PreloadedGraphicsROM+$140, $7F1140, $C0-2
dw #PreloadedGraphicsROM+$320, $7F1320, $E0-2
.list_flute
dw #PreloadedGraphicsROM+$120, $7F13C0, $20-2
.list_end