Files
alttpr-baserom/heartpieces.asm

524 lines
16 KiB
NASM

;================================================================================
; Randomize Heart Pieces
;--------------------------------------------------------------------------------
HeartPieceGet:
PHX : PHY
JSL LoadHeartPieceRoomValue
JSL AttemptItemSubstitution
JSL ResolveLootIDLong
TAY
JSL MaybeMarkDigSpotCollected
.skipLoad
JSL HeartPieceGetPlayer : STA.l !MULTIWORLD_ITEM_PLAYER_ID
CPY.b #$26 : BNE .not_heart ; don't add a 1/4 heart if it's not a heart piece
LDA.l !MULTIWORLD_ITEM_PLAYER_ID : BNE .not_heart
LDA.l HeartPieceQuarter : INC A : AND.b #$03 : STA.l HeartPieceQuarter
.not_heart
JSL Player_HaltDashAttackLong
STZ.w ItemReceiptMethod ; 0 = Receiving item from an NPC or message
JSL Link_ReceiveItem
JSL MaybeUnlockTabletAnimation
PLY : PLX
RTL
;--------------------------------------------------------------------------------
HeartContainerGet:
PHX : PHY
JSL IncrementBossSword
LDY.w SpriteID, X : BNE +
JSL LoadHeartContainerRoomValue : TAY
+
BRA HeartPieceGet_skipLoad
;--------------------------------------------------------------------------------
DrawHeartPieceGFX:
PHP
JSL Sprite_IsOnscreen : BCC .offscreen
PHA : PHY
LDA.l RedrawFlag : BEQ .skipInit ; skip init if already ready
JSL HeartPieceSpritePrep
JMP .done ; don't draw on the init frame
.skipInit
LDA.w SpriteID, X ; Retrieve stored item type
.skipLoad
PHA : PHX
TAX
LDA.l SpriteProperties_standing_width,X : BNE +
PLX
LDA.w SpriteControl, X : ORA.b #$20 : STA.w SpriteControl, X
PLA
JSL DrawDynamicTile
REP #$21
LDA.b Scrap00
ADC.w #$0004
STA.b Scrap00
SEP #$20
JSL Sprite_DrawShadowLong
BRA .done
+
PLX
PLA
JSL DrawDynamicTile
JSL Sprite_DrawShadowLong
.done
PLY : PLA
.offscreen
PLP
RTL
;--------------------------------------------------------------------------------
DrawHeartContainerGFX:
PHP
JSL Sprite_IsOnscreen : BCC DrawHeartPieceGFX_offscreen
PHA : PHY
LDA.l RedrawFlag : BEQ .skipInit ; skip init if already ready
JSL HeartContainerSpritePrep
BRA DrawHeartPieceGFX_done ; don't draw on the init frame
.skipInit
LDA.w SpriteID, X ; Retrieve stored item type
BRA DrawHeartPieceGFX_skipLoad
;--------------------------------------------------------------------------------
HeartContainerSound:
LDA.l !MULTIWORLD_ITEM_PLAYER_ID : BNE +
LDA.w ItemReceiptMethod : CMP.b #$03 : BEQ +
JSL CheckIfBossRoom : BCC + ; Skip if not in a boss room
LDA.b #$2E
SEC
RTL
+
CLC
RTL
;--------------------------------------------------------------------------------
NormalItemSkipSound:
; Out: c - skip sounds if set
LDA.l !MULTIWORLD_ITEM_PLAYER_ID : BNE .skip
JSL CheckIfBossRoom : BCS .boss_room
TDC
CPY.b #$17 : BEQ .skip
CLC
RTL
.boss_room
LDA.w ItemReceiptMethod : CMP.b #$03 : BEQ +
.skip
SEC
RTL
+
LDA.b #$20
.dont_skip
CLC
RTL
;--------------------------------------------------------------------------------
HeartPieceSpritePrep:
PHA
LDA.l ServerRequestMode : BEQ + : : +
LDA.b #$01 : STA.l RedrawFlag
LDA.b LinkState : CMP.b #$14 : BEQ .skip ; skip if we're mid-mirror
LDA.b #$00 : STA.l RedrawFlag
JSL HeartPieceGetPlayer : STA.l !MULTIWORLD_SPRITEITEM_PLAYER_ID
JSL LoadHeartPieceRoomValue
JSL AttemptItemSubstitution
JSL ResolveLootIDLong
STA.w SpriteID, X
JSL PrepDynamicTile_loot_resolved
.skip
PLA
RTL
;--------------------------------------------------------------------------------
HeartContainerSpritePrep:
PHA
LDA.b #$00 : STA.l RedrawFlag
JSL HeartPieceGetPlayer : STA.l !MULTIWORLD_SPRITEITEM_PLAYER_ID
JSL LoadHeartContainerRoomValue ; load item type
JSL AttemptItemSubstitution
JSL ResolveLootIDLong
STA.w SpriteID, X
JSL PrepDynamicTile_loot_resolved
PLA
RTL
;--------------------------------------------------------------------------------
LoadHeartPieceRoomValue:
LDA.b IndoorsFlag : BEQ .outdoors ; check if we're indoors or outdoors
.indoors
JSL LoadIndoorValue
JMP .done
.outdoors
JSL LoadOutdoorValue
.done
RTL
;--------------------------------------------------------------------------------
HPItemReset:
PHA
LDA.l !MULTIWORLD_ITEM_PLAYER_ID : BNE .skip
PLA
JSL GiveRupeeGift ; thing we wrote over
BRA .done
.skip
PLA
.done
PHA : LDA.b #$01 : STA.l RedrawFlag : PLA
RTL
;--------------------------------------------------------------------------------
MaybeMarkDigSpotCollected:
PHA : PHP
LDA.b IndoorsFlag : BNE +
REP #$20 ; set 16-bit accumulator
LDA.b OverworldIndex : CMP.w #$002A : BNE +
LDA.l HasGroveItem : ORA.w #$0001 : STA.l HasGroveItem
+
PLP : PLA
RTL
;--------------------------------------------------------------------------------
macro GetPossiblyEncryptedItem(ItemLabel,TableLabel)
LDA.l IsEncrypted : BNE ?encrypted
LDA.l <ItemLabel>
BRA ?done
?encrypted:
PHX : PHP
REP #$30 ; set 16-bit accumulator & index registers
LDA.b Scrap00 : PHA : LDA.b Scrap02 : PHA
LDA.w #<TableLabel> : STA.b Scrap00
LDA.w #<TableLabel>>>16 : STA.b Scrap02
LDA.w #<ItemLabel>-<TableLabel>
JSL RetrieveValueFromEncryptedTable
PLX : STX.b Scrap02 : PLX : STX.b Scrap01
PLP : PLX
?done:
endmacro
LoadIndoorValue:
PHP
REP #$20 ; set 16-bit accumulator
LDA.b RoomIndex ; these are all decimal because i got them that way
CMP.w #225 : BNE +
%GetPossiblyEncryptedItem(HeartPiece_Forest_Thieves, HeartPieceIndoorValues)
JMP .done
+ CMP.w #226 : BNE +
%GetPossiblyEncryptedItem(HeartPiece_Lumberjack_Tree, HeartPieceIndoorValues)
JMP .done
+ CMP.w #234 : BNE +
%GetPossiblyEncryptedItem(HeartPiece_Spectacle_Cave, HeartPieceIndoorValues)
JMP .done
+ CMP.w #283 : BNE +
LDA.b LinkPosX : XBA : AND.w #$0001 ; figure out where link is
BNE ++
%GetPossiblyEncryptedItem(HeartPiece_Circle_Bushes, HeartPieceIndoorValues)
JMP .done
++
%GetPossiblyEncryptedItem(HeartPiece_Graveyard_Warp, HeartPieceIndoorValues)
JMP .done
+ CMP.w #294 : BNE +
%GetPossiblyEncryptedItem(HeartPiece_Mire_Warp, HeartPieceIndoorValues)
JMP .done
+ CMP.w #295 : BNE +
%GetPossiblyEncryptedItem(HeartPiece_Smith_Pegs, HeartPieceIndoorValues)
JMP .done
+ CMP.w #135 : BNE +
LDA.l StandingKey_Hera
JMP .done
+
PHX
LDX.w CurrentSpriteSlot ; If we're on a different screen ID via glitches load the sprite
LDA.w SpriteID,X ; we can see and are interacting with
PLX
.done
AND.w #$00FF ; the loads are words but the values are 1-byte so we need to clear the top half of the accumulator - no guarantee it was 8-bit before
PLP
RTL
;--------------------------------------------------------------------------------
;225 - HeartPiece_Forest_Thieves
;226 - HeartPiece_Lumberjack_Tree
;234 - HeartPiece_Spectacle_Cave
;283 - HeartPiece_Circle_Bushes
;283 - HeartPiece_Graveyard_Warp
;294 - HeartPiece_Mire_Warp
;295 - HeartPiece_Smith_Pegs
;--------------------------------------------------------------------------------
LoadOutdoorValue:
PHP
REP #$20 ; set 16-bit accumulator
LDA.b OverworldIndex
CMP.w #$03 : BNE +
LDA.b LinkPosX : CMP.w #1890 : !BLT ++
%GetPossiblyEncryptedItem(HeartPiece_Spectacle, HeartPieceOutdoorValues)
JMP .done
++
%GetPossiblyEncryptedItem(EtherItem, SpriteItemValues)
JMP .done
+ CMP.w #$05 : BNE +
%GetPossiblyEncryptedItem(HeartPiece_Mountain_Warp, HeartPieceOutdoorValues)
JMP .done
+ CMP.w #$28 : BNE +
%GetPossiblyEncryptedItem(HeartPiece_Maze, HeartPieceOutdoorValues)
JMP .done
+ CMP.w #$2A : BNE +
%GetPossiblyEncryptedItem(HauntedGroveItem, HeartPieceOutdoorValues)
JMP .done
+ CMP.w #$30 : BNE +
LDA.b LinkPosX : CMP.w #512 : !BGE ++
%GetPossiblyEncryptedItem(HeartPiece_Desert, HeartPieceOutdoorValues)
JMP .done
++
%GetPossiblyEncryptedItem(BombosItem, SpriteItemValues)
JMP .done
+ CMP.w #$35 : BNE +
%GetPossiblyEncryptedItem(HeartPiece_Lake, HeartPieceOutdoorValues)
JMP .done
+ CMP.w #$3B : BNE +
%GetPossiblyEncryptedItem(HeartPiece_Swamp, HeartPieceOutdoorValues)
JMP .done
+ CMP.w #$42 : BNE +
%GetPossiblyEncryptedItem(HeartPiece_Cliffside, HeartPieceOutdoorValues)
JMP .done
+ CMP.w #$4A : BNE +
%GetPossiblyEncryptedItem(HeartPiece_Cliffside, HeartPieceOutdoorValues)
JMP .done
+ CMP.w #$5B : BNE +
%GetPossiblyEncryptedItem(HeartPiece_Pyramid, HeartPieceOutdoorValues)
JMP .done
+ CMP.w #$68 : BNE +
%GetPossiblyEncryptedItem(HeartPiece_Digging, HeartPieceOutdoorValues)
JMP .done
+ CMP.w #$81 : BNE +
%GetPossiblyEncryptedItem(HeartPiece_Zora, HeartPieceOutdoorValues)
JMP .done
+
PHX
LDX.w CurrentSpriteSlot ; If we're on a different screen ID via glitches load the sprite
LDA.w SpriteID,X ; we can see and are interacting with.
PLX
.done
AND.w #$00FF ; the loads are words but the values are 1-byte so we need to clear the top half of the accumulator - no guarantee it was 8-bit before
PLP
RTL
;--------------------------------------------------------------------------------
;$03 - HeartPiece_Spectacle
;$05 - HeartPiece_Mountain_Warp
;$28 - HeartPiece_Maze
;$30 - HeartPiece_Desert
;$35 - HeartPiece_Lake
;$3B - HeartPiece_Swamp
;$42 - HeartPiece_Cliffside - not really but the gfx load weird otherwise
;$4A - HeartPiece_Cliffside
;$5B - HeartPiece_Pyramid
;$68 - HeartPiece_Digging
;$81 - HeartPiece_Zora
;--------------------------------------------------------------------------------
LoadHeartContainerRoomValue:
LoadBossValue:
PHP
REP #$20 ; set 16-bit accumulator
LDA.b RoomIndex ; these are all decimal because i got them that way
CMP.w #200 : BNE +
%GetPossiblyEncryptedItem(HeartContainer_ArmosKnights, HeartContainerBossValues)
JMP .done
+ CMP.w #51 : BNE +
%GetPossiblyEncryptedItem(HeartContainer_Lanmolas, HeartContainerBossValues)
JMP .done
+ CMP.w #7 : BNE +
%GetPossiblyEncryptedItem(HeartContainer_Moldorm, HeartContainerBossValues)
JMP .done
+ CMP.w #90 : BNE +
%GetPossiblyEncryptedItem(HeartContainer_HelmasaurKing, HeartContainerBossValues)
JMP .done
+ CMP.w #6 : BNE +
%GetPossiblyEncryptedItem(HeartContainer_Arrghus, HeartContainerBossValues)
JMP .done
+ CMP.w #41 : BNE +
%GetPossiblyEncryptedItem(HeartContainer_Mothula, HeartContainerBossValues)
JMP .done
+ CMP.w #172 : BNE +
%GetPossiblyEncryptedItem(HeartContainer_Blind, HeartContainerBossValues)
JMP .done
+ CMP.w #222 : BNE +
%GetPossiblyEncryptedItem(HeartContainer_Kholdstare, HeartContainerBossValues)
JMP .done
+ CMP.w #144 : BNE +
%GetPossiblyEncryptedItem(HeartContainer_Vitreous, HeartContainerBossValues)
JMP .done
+ CMP.w #164 : BNE +
%GetPossiblyEncryptedItem(HeartContainer_Trinexx, HeartContainerBossValues)
JMP .done
+
LDA.w #$003E ; default to a normal boss heart
.done
AND.w #$00FF ; the loads are words but the values are 1-byte so we need to clear the top half of the accumulator - no guarantee it was 8-bit before
PLP
RTL
;--------------------------------------------------------------------------------
CheckIfBossRoom:
;--------------------------------------------------------------------------------
; Carry set if we're in a boss room, unset otherwise.
;--------------------------------------------------------------------------------
REP #$20 ; set 16-bit accumulator
LDA.b RoomIndex ; these are all decimal because i got them that way
CMP.w #200 : BEQ .done
CMP.w #51 : BEQ .done
CMP.w #7 : BEQ .done
CMP.w #90 : BEQ .done
CMP.w #6 : BEQ .done
CMP.w #41 : BEQ .done
CMP.w #172 : BEQ .done
CMP.w #222 : BEQ .done
CMP.w #144 : BEQ .done
CMP.w #164 : BEQ .done
CLC
.done
+ SEP #$20 ; set 8-bit accumulator
RTL
;--------------------------------------------------------------------------------
;#200 - Eastern Palace - Armos Knights
;#51 - Desert Palace - Lanmolas
;#7 - Tower of Hera - Moldorm
;#32 - Agahnim's Tower - Agahnim I
;#90 - Palace of Darkness - Helmasaur King
;#6 - Swamp Palace - Arrghus
;#41 - Skull Woods - Mothula
;#172 - Thieves' Town - Blind
;#222 - Ice Palace - Kholdstare
;#144 - Misery Mire - Vitreous
;#164 - Turtle Rock - Trinexx
;#13 - Ganon's Tower - Agahnim II
;#0 - Pyramid of Power - Ganon
;--------------------------------------------------------------------------------
;JSL $86DD40 ; DashKey_Draw
;JSL $86DBF8 ; Sprite_PrepAndDrawSingleLargeLong
;JSL $86DC00 ; Sprite_PrepAndDrawSingleSmallLong ; draw first cell correctly
;JSL $80D51B ; GetAnimatedSpriteTile
;JSL $80D52D ; GetAnimatedSpriteTile.variable
;================================================================================
HeartPieceGetPlayer:
{
PHY
LDA.b IndoorsFlag : BNE +
BRL .outdoors
+
PHP
REP #$20 ; set 16-bit accumulator
LDA.b RoomIndex ; these are all decimal because i got them that way
CMP.w #135 : BNE +
LDA.l StandingKey_Hera_Player
BRL .done
+ CMP.w #200 : BNE +
LDA.l HeartContainer_ArmosKnights_Player
BRL .done
+ CMP.w #51 : BNE +
LDA.l HeartContainer_Lanmolas_Player
BRL .done
+ CMP.w #7 : BNE +
LDA.l HeartContainer_Moldorm_Player
BRL .done
+ CMP.w #90 : BNE +
LDA.l HeartContainer_HelmasaurKing_Player
BRL .done
+ CMP.w #6 : BNE +
LDA.l HeartContainer_Arrghus_Player
BRL .done
+ CMP.w #41 : BNE +
LDA.l HeartContainer_Mothula_Player
BRL .done
+ CMP.w #172 : BNE +
LDA.l HeartContainer_Blind_Player
BRL .done
+ CMP.w #222 : BNE +
LDA.l HeartContainer_Kholdstare_Player
BRL .done
+ CMP.w #144 : BNE +
LDA.l HeartContainer_Vitreous_Player
BRL .done
+ CMP.w #164 : BNE +
LDA.l HeartContainer_Trinexx_Player
BRL .done
+ CMP.w #225 : BNE +
LDA.l HeartPiece_Forest_Thieves_Player
BRL .done
+ CMP.w #226 : BNE +
LDA.l HeartPiece_Lumberjack_Tree_Player
BRL .done
+ CMP.w #234 : BNE +
LDA.l HeartPiece_Spectacle_Cave_Player
BRL .done
+ CMP.w #283 : BNE +
LDA.b LinkPosX : XBA : AND.w #$0001 ; figure out where link is
BNE ++
LDA.l HeartPiece_Circle_Bushes_Player
BRL .done
++
LDA.l HeartPiece_Graveyard_Warp_Player
BRL .done
+ CMP.w #294 : BNE +
LDA.l HeartPiece_Mire_Warp_Player
BRL .done
+ CMP.w #295 : BNE +
LDA.l HeartPiece_Smith_Pegs_Player
BRL .done
LDA.w #$0000
BRL .done
.outdoors
PHP
REP #$20 ; set 16-bit accumulator
LDA.b OverworldIndex
CMP.w #$03 : BNE +
LDA.b LinkPosX : CMP.w #1890 : !BLT ++
LDA.l HeartPiece_Spectacle_Player
BRL .done
++
LDA.l EtherItem_Player
BRL .done
+ CMP.w #$05 : BNE +
LDA.l HeartPiece_Mountain_Warp_Player
BRL .done
+ CMP.w #$28 : BNE +
LDA.l HeartPiece_Maze_Player
BRL .done
+ CMP.w #$2A : BNE +
LDA.l HauntedGroveItem_Player
BRL .done
+ CMP.w #$30 : BNE +
LDA.b LinkPosX : CMP.w #512 : !BGE ++
LDA.l HeartPiece_Desert_Player
BRL .done
++
LDA.l BombosItem_Player
BRL .done
+ CMP.w #$35 : BNE +
LDA.l HeartPiece_Lake_Player
BRL .done
+ CMP.w #$3B : BNE +
LDA.l HeartPiece_Swamp_Player
BRL .done
+ CMP.w #$42 : BNE +
LDA.l HeartPiece_Cliffside_Player
BRL .done
+ CMP.w #$4A : BNE +
LDA.l HeartPiece_Cliffside_Player
BRL .done
+ CMP.w #$5B : BNE +
LDA.l HeartPiece_Pyramid_Player
BRL .done
+ CMP.w #$68 : BNE +
LDA.l HeartPiece_Digging_Player
BRL .done
+ CMP.w #$81 : BNE +
LDA.l HeartPiece_Zora_Player
BRL .done
+
LDA.w #$0000
.done
AND.w #$00FF ; the loads are words but the values are 1-byte so we need to clear the top half of the accumulator - no guarantee it was 8-bit before
PLP
PLY
RTL
}