Files
alttpr-baserom/newitems.asm

1204 lines
35 KiB
NASM

;================================================================================
; New Item Handlers
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
; Service Indexes
; 0x00 - 0x04 - chests
; 0xF0 - freestanding heart / powder / mushroom / bonkable
; 0xF1 - freestanding heart 2 / boss heart / npc
; 0xF3 - tablet/pedestal
;--------------------------------------------------------------------------------
;--------------------------------------------------------------------------------
GetAnimatedSpriteGfxFile:
CMP.b #$0C : BNE +
LDY.b #$5C : JML GetAnimatedSpriteGfxFile_return
+
CMP.b #$23 : BNE +
LDY.b #$5D : JML GetAnimatedSpriteGfxFile_return
+
CMP.b #$48 : BNE +
LDY.b #$60 : JML GetAnimatedSpriteGfxFile_return
+
CMP.b #$24 : !BGE +
LDY.b #$5B : JML GetAnimatedSpriteGfxFile_return
+
CMP.b #$37 : !BGE +
LDY.b #$5C : JML GetAnimatedSpriteGfxFile_return
+
CMP.b #$39 : !BGE +
LDY.b #$5D : JML GetAnimatedSpriteGfxFile_return
+
LDY.b #$32
JML GetAnimatedSpriteGfxFile_return
GetAnimatedSpriteBufferPointer_table:
; Original data:
dw $09C0, $0030, $0060, $0090, $00C0, $0300, $0318, $0330
dw $0348, $0360, $0378, $0390, $0930, $03F0, $0420, $0450
dw $0468, $0600, $0630, $0660, $0690, $06C0, $06F0, $0720 ; disassembly (incorrectly?) says this is $0270
dw $0750, $0768, $0900, $0930, $0960, $0990, $09F0, $0000
dw $00F0, $0A20, $0A50, $0660, $0600, $0618, $0630, $0648
dw $0678, $06D8, $06A8, $0708, $0738, $0768, $0960, $0900
dw $03C0, $0990, $09A8, $09C0, $09D8, $0A08, $0A38, $0600
dw $0630
; New data:
dw $0600, $0630, $0660, $0690 ; 50 Bombs / 70 Arrows / Half Magic / Quarter Magic
dw $06C0, $06F0, $8520 ; +5/+10 Bomb Arrows
;#$4x
dw $0750 ; +10 Arrows
dw $0900 ; Upgrade-Only Silver Arrows
dw $09D8 ; Unused
dw $0930, $0960, $0990, $09C0 ; Lvl 1/2/3/4 Sword (Freestanding)
dw $09F0 ; Null-Item
dw $09C0 ; Clock
dw $0A20 ; Triforce
dw $0A50 ; Power Star
GetAnimatedSpriteBufferPointer:
;PHB : PHK : PLB
LDA.b Scrap00 : ADC.l GetAnimatedSpriteBufferPointer_table, X
;PLB
RTL
macro ProgrammableItemLogic(index)
LDA.l ProgrammableItemLogicPointer_<index> : BNE ?jump
LDA.l ProgrammableItemLogicPointer_<index>+1 : BNE ?jump
LDA.l ProgrammableItemLogicPointer_<index>+2 : BNE ?jump
BRA ?end
?jump:
JSL ProgrammableItemLogicJump_<index>
?end:
endmacro
;--------------------------------------------------------------------------------
;carry clear if pass
;carry set if caught
;incsrc eventdata.asm
ProcessEventItems:
LDA.b Scrap00 : PHA
LDA.b Scrap01 : PHA
LDA.b Scrap02 : PHA
PHY : PHP
PHB : LDA.b #$AF : PHA : PLB
LDA.w ItemReceiptID
CMP.b #$E0 : BNE +
REP #$30 ; set 16-bit accumulator & index registers
LDA.l RNGItem : ASL : TAX
LDA.l EventDataOffsets, X : !ADD.l #EventDataTable : STA.b Scrap00
SEP #$20 ; set 8-bit accumulator
LDA.b #$AF : STA.b Scrap02
JSL LoadDialogAddressIndirect
LDA.l RNGItem : INC : STA.l RNGItem
SEP #$10 ; set 8-bit index registers
REP #$20 ; set 16-bit accumulator
LDA.l GoalItemRequirement : BEQ ++
LDA.l GoalCounter : INC : STA.l GoalCounter
CMP.l GoalItemRequirement : BCC ++
LDA.l TurnInGoalItems : AND.w #$00FF : BNE ++
JSL ActivateGoal
++
SEP #$20 ; set 8-bit accumulator
LDX.b #$01 : BRA .done
+
LDX.b #$00
.done
PLB
PLP : PLY
PLA : STA.b Scrap02
PLA : STA.b Scrap01
PLA : STA.b Scrap00
RTS
;--------------------------------------------------------------------------------
AddReceivedItemExpanded:
PHA : PHX
LDA.l RemoteItems : BEQ + : LDA.l !MULTIWORLD_ITEM_PLAYER_ID : BEQ +
LDA.w ItemReceiptMethod : BEQ ++ : CMP.b #$03 : BNE +++ : ++
; fromTextOrObject
LDA.w $0345 : BEQ ++ : LDA.b #$04 : ++ : STA.b LinkState ; Restore Link to his swimming state
STZ.w ItemReceiptPose : STZ.w NoDamage : STZ.w CutsceneFlag
LDA.b #$0E : STA.w SFX3
+++
STZ.w ItemReceiptID : STZ.w ItemReceiptID+1 : STZ.w ItemReceiptMethod
PHY : LDY.b #$00 : JSL AddInventory : PLY
PLX : PLA : RTL
+ PLX : PLA
JSR ResolveReceipt
PHB : PHK
JML AddReceivedItem+2
AddReceivedItemExpandedGetItem:
PHX : PHB
LDA.w ItemReceiptID
JSL FreeDungeonItemNotice
PHA : LDA.l !MULTIWORLD_ITEM_PLAYER_ID : BEQ +
PLA : BRA .done
+ PLA
JSR ItemBehavior
SEP #$30
.done
PLB : PLX
LDA.w ItemReceiptMethod : CMP.b #$01 ; thing we wrote over
RTL
ItemBehavior:
REP #$30
AND.w #$00FF : ASL : TAX
SEP #$20
JMP (ItemReceipts_behavior,X)
.skip
RTS
.blue_boomerang
LDA.l InventoryTracking : ORA.b #$80
BRA .store_inventory_tracking
.red_boomerang
LDA.l InventoryTracking : ORA.b #$40
BRA .store_inventory_tracking
.mushroom
LDA.l InventoryTracking : ORA.b #$28
BRA .store_inventory_tracking
.powder
LDA.l InventoryTracking : ORA.b #$10
BRA .store_inventory_tracking
.flute_inactive
LDA.l InventoryTracking : ORA.b #$02
BRA .store_inventory_tracking
.flute_active
LDA.l InventoryTracking : ORA.b #$01
BRA .store_inventory_tracking
.shovel
LDA.l InventoryTracking : ORA.b #$04
.store_inventory_tracking
STA.l InventoryTracking
RTS
.sword_shield
SEP #$10
LDX.b #$01
JSR .increment_sword
JSR .increment_shield
RTS
.master_sword
SEP #$10
LDX.b #$02
JSR .increment_sword
RTS
.tempered_sword
SEP #$10
LDX.b #$03
JSR .increment_sword
RTS
.gold_sword
SEP #$10
LDX.b #$04
JSR .increment_sword
RTS
.fighter_shield
.red_shield
.mirror_shield
SEP #$10
LDA.l ProgressiveFlag : BEQ +
LDA.l HighestShield : INC : TAX
JSR .increment_shield
+ RTS
.blue_mail
SEP #$10
LDX.b #$01
JSR .increment_mail
REP #$10
RTS
.red_mail
SEP #$10
LDX.b #$02
JSR .increment_mail
REP #$10
RTS
.fighter_sword
SEP #$10
LDX.b #$01
JSR .increment_sword
REP #$10
RTS
.prog_sword
SEP #$10
LDA.l SwordEquipment : INC : TAX
JSR .increment_sword
REP #$10
RTS
.prog_shield
SEP #$10
LDA.l HighestShield : INC : TAX
JSR .increment_shield
REP #$10
RTS
.prog_mail
SEP #$10
LDA.l ArmorEquipment : INC : TAX
JSR .increment_mail
REP #$10
RTS
.bow
BIT.b #$40 : BNE .silversbow
LDA.b #$01 : STA.l BowEquipment
RTS
.silversbow
LDA.l BowTracking : ORA.b #$40 : STA.l BowTracking
LDA.l SilverArrowsUseRestriction : BNE +
LDA.b #03 : STA.l BowEquipment ; set bow to silver
+
LDA.b #$01 : STA.l BowEquipment
RTS
.dungeon_compass
REP #$20
LDA.w DungeonID : CMP.w #$0003 : BCC ..hc_sewers
TAX
LDA.l DungeonItemMasks,X : TAY
ORA.l CompassField : STA.l CompassField
JMP .increment_compass
..hc_sewers
LDA.w #$C000 : TAY
ORA.l CompassField : STA.l CompassField
JMP .increment_compass
.dungeon_bigkey
REP #$20
LDA.w DungeonID : CMP.w #$0003 : BCC ..hc_sewers
TAX
LDA.l DungeonItemMasks,X : ORA.l BigKeyField : STA.l BigKeyField
JMP .increment_bigkey
..hc_sewers
LDA.w #$C000 : ORA.l BigKeyField : STA.l BigKeyField
JMP .increment_bigkey
.dungeon_map
REP #$20
LDA.w DungeonID : CMP.w #$0003 : BCC ..hc_sewers
TAX
LDA.l DungeonItemMasks,X : TAY
ORA.l MapField : STA.l MapField
JMP .increment_map
..hc_sewers
LDA.w #$C000 : TAY
ORA.l MapField : STA.l MapField
JMP .increment_map
.bow_and_arrows
LDA.l BowTracking : BIT.b #$40 : BEQ .no_silvers
LDA.l SilverArrowsUseRestriction : BNE .no_silvers
LDA.l CurrentArrows : BEQ +
LDA.b #04 : STA.l BowEquipment
BRA .store_bow
+
LDA.b #$03
BRA .store_bow
.no_silvers
LDA.l CurrentArrows : BEQ +
LDA.b #02
BRA .store_bow
+
LDA.b #$01
.store_bow
STA.l BowEquipment
RTS
.silver_bow
LDA.b #$40 : ORA.l BowTracking : STA.l BowTracking
LDA.l SilverArrowsUseRestriction : BNE .noequip
LDA.l SilverArrowsAutoEquip : AND.b #$01 : BEQ .noequip
LDA.l CurrentArrows : BNE + ; check arrows
LDA.b #$03 : BRA ++ ; bow without arrow
+
LDA.b #$04 ; bow with arrow
++
STA.l BowEquipment
.noequip
RTS
.bombs_50
LDA.b #50 : STA.l BombCapacity ; upgrade bombs
LDA.b #50 : STA.l BombsFiller ; fill bombs
RTS
.arrows_70
LDA.b #70 : STA.l ArrowCapacity ; upgrade arrows
LDA.b #70 : STA.l ArrowsFiller ; fill arrows
RTS
.magic_2
LDA.l MagicConsumption : CMP.b #$02 : !BGE +
INC : STA.l MagicConsumption ; upgrade magic
+
LDA.b #$80 : STA.l MagicFiller ; fill magic
RTS
.magic_4
LDA.b #$02 : STA.l MagicConsumption ; upgrade magic
LDA.b #$80 : STA.l MagicFiller ; fill magic
RTS
.master_sword_safe
SEP #$10
LDA.l SwordEquipment : CMP.b #$02 : !BGE + ; skip if we have a better sword
LDA.b #$02 : STA.l SwordEquipment ; set master sword
+
LDX.b #$02
JSR .increment_sword
RTS
.bombs_5
LDA.l BombCapacity : !ADD.b #$05 : STA.l BombCapacity ; upgrade bombs +5
LDA.l Upgrade5BombsRefill : STA.l BombsFiller ; fill bombs
RTS
.bombs_10
LDA.l BombCapacity : !ADD.b #$0A : STA.l BombCapacity ; upgrade bombs +10
LDA.l Upgrade10BombsRefill : STA.l BombsFiller ; fill bombs
RTS
.arrows_5
LDA.l ArrowCapacity : !ADD.b #$05 : STA.l ArrowCapacity ; upgrade arrows +5
LDA.l Upgrade5ArrowsRefill : STA.l ArrowsFiller ; fill arrows
RTS
.arrows_10
LDA.l ArrowCapacity : !ADD.b #$0A : STA.l ArrowCapacity ; upgrade arrows +10
LDA.l Upgrade10ArrowsRefill : STA.l ArrowsFiller ; fill arrows
RTS
.programmable_1
%ProgrammableItemLogic(1)
RTS
.programmable_2
%ProgrammableItemLogic(2)
RTS
.programmable_3
%ProgrammableItemLogic(3)
RTS
.silver_arrows
LDA.l BowTracking : ORA.b #$40 : STA.l BowTracking
LDA.l SilverArrowsUseRestriction : BNE ++
LDA.l SilverArrowsAutoEquip : AND.b #$01 : BEQ ++
LDA.l BowEquipment : BEQ ++ : CMP.b #$03 : !BGE +
!ADD.b #$02 : STA.l BowEquipment ; switch to silver bow
+
++
LDA.l ArrowMode : BEQ +
LDA.b #$01 : STA.l ArrowsFiller
+
RTS
.single_arrow
LDA.l ArrowMode : BEQ +
LDA.l CurrentArrows : INC : STA.l CurrentArrows ; Should be sole write to this address
LDA.b #$01 : STA.l UpdateHUDFlag ; in retro/rupee bow mode.
+
RTS
.rupoor
REP #$20 : LDA.l CurrentRupees : !SUB.l RupoorDeduction : STA.l CurrentRupees : SEP #$20 ; Take 1 rupee
RTS
.null
RTS
.red_clock
REP #$20 ; set 16-bit accumulator
LDA.l ChallengeTimer : !ADD.l RedClockAmount : STA.l ChallengeTimer
LDA.l ChallengeTimer+2 : ADC.l RedClockAmount+2 : STA.l ChallengeTimer+2
SEP #$20 ; set 8-bit accumulator
RTS
.blue_clock
REP #$20 ; set 16-bit accumulator
LDA.l ChallengeTimer : !ADD.l BlueClockAmount : STA.l ChallengeTimer
LDA.l ChallengeTimer+2 : ADC.l BlueClockAmount+2 : STA.l ChallengeTimer+2
SEP #$20 ; set 8-bit accumulator
RTS
.green_clock
REP #$20 ; set 16-bit accumulator
LDA.l ChallengeTimer : !ADD.l GreenClockAmount : STA.l ChallengeTimer
LDA.l ChallengeTimer+2 : ADC.l GreenClockAmount+2 : STA.l ChallengeTimer+2
SEP #$20 ; set 8-bit accumulator
RTS
.triforce
JSL ActivateGoal
RTS
.goal_item
REP #$20 ; set 16-bit accumulator
LDA.l GoalItemRequirement : BEQ +
LDA.l GoalCounter : INC : STA.l GoalCounter
CMP.w GoalItemRequirement : BCC +
LDA.l TurnInGoalItems : AND.w #$00FF : BNE +
JSL ActivateGoal
+
SEP #$20 ; set 8-bit accumulator
RTS
.request_F0
JSL ItemGetServiceRequest_F0
RTS
.request_F1
JSL ItemGetServiceRequest_F1
RTS
.request_F2
JSL ItemGetServiceRequest_F2
RTS
.request_async
; JSL ItemGetServiceRequest
RTS
.free_map
REP #$20
LSR
AND.w #$000F : ASL : TAX
LDA.w DungeonItemIDMap,X : TAX
LDA.l DungeonItemMasks,X : TAY
ORA.l MapField : STA.l MapField
SEP #$20
JMP .increment_map
.hc_map
REP #$20
LDA.w #$C000 : TAY
ORA.l MapField : STA.l MapField
JMP .increment_map
.free_compass
REP #$20
LSR
AND.w #$000F : ASL : TAX
LDA.w DungeonItemIDMap,X : TAX
LDA.l DungeonItemMasks,X : TAY
ORA.l CompassField : STA.l CompassField
SEP #$20
JMP .increment_compass
.hc_compass
REP #$20
LDA.w #$C000 : TAY
ORA.l CompassField : STA.l CompassField
SEP #$20
JMP .increment_compass
.free_bigkey
REP #$20
LSR
AND.w #$000F : ASL : TAX
LDA.w DungeonItemIDMap,X : TAX
LDA.l DungeonItemMasks,X : ORA.l BigKeyField : STA.l BigKeyField
SEP #$20
JMP .increment_bigkey
.hc_bigkey
LDA.b #$C0 : ORA.l BigKeyField+1 : STA.l BigKeyField+1
JMP .increment_bigkey
.free_smallkey
REP #$20
LSR
AND.w #$000F : TAX
ASL : CMP.w DungeonID : BEQ .same_dungeon
LDA.l DungeonKeys,X : INC : STA.l DungeonKeys,X
RTS
.same_dungeon
SEP #$20
LDA.l CurrentSmallKeys : INC : STA.l CurrentSmallKeys : STA.l DungeonKeys,X
RTS
.same_dungeon_hc
SEP #$20
LDA.l CurrentSmallKeys : INC : STA.l CurrentSmallKeys
LDA.l SewerKeys : INC
STA.l SewerKeys : STA.l HyruleCastleKeys
RTS
.hc_smallkey
LDA.w DungeonID : CMP.b #$03 : BCC .same_dungeon_hc
LDA.l HyruleCastleKeys : INC : STA.l HyruleCastleKeys
LDA.l SewerKeys : INC : STA.l SewerKeys
RTS
.generic_smallkey
LDA.l GenericKeys : BEQ .normal
LDA.l CurrentSmallKeys : INC
STA.l CurrentGenericKeys : STA.l CurrentSmallKeys
RTS
.normal
LDA.w DungeonID : BMI +
LDA.l CurrentSmallKeys : INC : STA.l CurrentSmallKeys
RTS
+
RTS
.increment_sword
LDA.l HighestSword
INC : STA.b Scrap04 : CPX.b Scrap04 : BCC + ; don't increment unless we're getting a better sword
TXA : STA.l HighestSword
+
RTS
.increment_shield
LDA.l HighestShield
INC : STA.b Scrap04 : CPX.b Scrap04 : BCC + ; don't increment unless we're getting a better shield
TXA : STA.l HighestShield
+
RTS
.increment_mail
LDA.l HighestMail
INC : STA.b Scrap04 : CPX.b Scrap04 : BCC + ; don't increment unless we're getting a better mail
TXA : STA.l HighestMail
+
RTS
.increment_bigkey
SEP #$20
LDA.l StatsLocked : BNE +
LDA.l BigKeysBigChests
CLC : ADC.b #$10
STA.l BigKeysBigChests
+
RTS
.increment_map
SEP #$20
LDA.l StatsLocked : BNE +
LDA.l MapsCompasses
CLC : ADC.b #$10
STA.l MapsCompasses
JSL MaybeFlagMapTotalPickup
+
RTS
.increment_compass
SEP #$20
LDA.l StatsLocked : BNE +
LDA.l MapsCompasses : INC : AND.b #$0F : TAX
LDA.l MapsCompasses : AND.b #$F0 : STA.l MapsCompasses
TXA : ORA.l MapsCompasses : STA.l MapsCompasses
JSL MaybeFlagCompassTotalPickup
+
RTS
.pendant
SEP #$20
LSR
SEC : SBC.b #$37
TAX
LDA.w PendantMasks,X : AND.l PendantsField : BNE +
LDA.l PendantCounter : INC : STA.l PendantCounter
+
RTS
.dungeon_crystal
SEP #$20
LDA.l CrystalCounter : INC : STA.l CrystalCounter
RTS
.free_crystal
REP #$20
LSR
AND.w #$000F : TAX
LDA.w #$0000
SEC
-
ROL
DEX
BPL -
SEP #$20
TAX
AND.l CrystalsField : BNE +
TXA
ORA.l CrystalsField : STA.l CrystalsField
LDA.l CrystalCounter : INC : STA.l CrystalCounter
+
.done
RTS
.refill_magic
SEP #$30 : LDA.b #$80 : STA.l MagicFiller : RTS
.bee_trap
SEP #$30
LDA.b #$79 : JSL Sprite_SpawnDynamically : BMI + ; DashBeeHive_SpawnBee
LDA.b LinkPosX : CLC : ADC.b #$03 : AND.b #$F8 : STA.w SpritePosXLow,Y
LDA.b LinkPosX+1 : ADC.b #$00 : STA.w SpritePosXHigh,Y ; round X to nearest 8
LDA.b LinkPosY : STA.w SpritePosYLow, Y : LDA.b LinkPosY+1 : STA.w SpritePosYHigh, Y
LDA.b LinkLayer : STA.w SpriteLayer,Y ; spawns on same layer as link
+ RTS
.fairy
SEP #$30
LDA.b #$E3 : JSL Sprite_SpawnDynamically : BMI +
LDA.b LinkPosX : CLC : ADC.b #$03 : AND.b #$F8 : STA.w SpritePosXLow,Y
LDA.b LinkPosX+1 : ADC.b #$00 : STA.w SpritePosXHigh,Y ; round X to nearest 8
LDA.b LinkPosY : SEC : SBC.b #$10 : STA.w SpritePosYLow,Y
LDA.b LinkPosY+1 : SBC.b #$00 : STA.w SpritePosYHigh,Y ; move up 16 pixels
LDA.b LinkLayer : STA.w SpriteLayer,Y ; spawns on same layer as link
LDA.b #$FF : STA.w EnemyStunTimer,Y ; allows them to expire
+ RTS
.chicken
SEP #$30
LDA.b #$0B : JSL Sprite_SpawnDynamically : BMI +
LDA.b LinkPosX : CLC : ADC.b #$03 : AND.b #$F8 : STA.w SpritePosXLow,Y
LDA.b LinkPosX+1 : ADC.b #$00 : STA.w SpritePosXHigh,Y ; round X to nearest 8
LDA.b LinkPosY : SEC : SBC.b #$08 : STA.w SpritePosYLow,Y
LDA.b LinkPosY+1 : SBC.b #$00 : STA.w SpritePosYHigh,Y ; move up 8 pixels
LDA.b LinkLayer : STA.w SpriteLayer,Y ; spawns on same layer as link
+ RTS
ResolveReceipt:
PHA : PHX
PHK : PLB
JSL PreItemGet
LDA.l !MULTIWORLD_ITEM_PLAYER_ID : STA.l !MULTIWORLD_SPRITEITEM_PLAYER_ID
LDA.w ItemReceiptID : STA.l !MULTIWORLD_ITEM_ID
JSL AttemptItemSubstitution
JSR HandleBowTracking
JSR ResolveLootID
STA.w ItemReceiptID
LDA.l !MULTIWORLD_ITEM_PLAYER_ID : BNE +
LDA.w ItemReceiptID
JSR IncrementItemCounters
+
PLX : PLA
RTS
ResolveLootIDLong:
PHY
JSR ResolveLootID
PLY
RTL
ResolveLootID:
; In: A - Loot ID
; Out: A - Resolved Loot ID
; Caller is responsible for running AttemptItemSubstitution prior if applicable.
PHX : PHB
PHK : PLB
.get_item
TAY
REP #$30
AND.w #$00FF : ASL : TAX
TYA
JMP (ItemReceipts_resolution,X)
.have_item
SEP #$30
PLB : PLX
RTS
.skip
JMP .have_item
.bottles
SEP #$30
JSR CountBottles : CMP.l BottleLimit : BCC +
LDA.l !MULTIWORLD_SPRITEITEM_PLAYER_ID : BNE +
LDA.l BottleLimitReplacement
JMP .get_item
+
TYA
JMP .have_item
.magic
SEP #$20
LDA.l MagicConsumption : TAX
LDA.w .magic_ids,X
JMP .have_item
..ids
db $4E, $4F, $4F
.prog_sword
SEP #$20
LDA.l !MULTIWORLD_SPRITEITEM_PLAYER_ID : BNE ++
LDA.l HighestSword
CMP.l ProgressiveSwordLimit : BCC +
LDA.l ProgressiveSwordReplacement
JMP .get_item
++ LDA.l SwordEquipment
+
TAX
LDA.w .prog_sword_ids,X
JMP .have_item
..ids
db $49, $50, $02, $03, $03
.shields
SEP #$20
LDA.l !MULTIWORLD_SPRITEITEM_PLAYER_ID : BNE ++
LDA.b #$01 : STA.l ProgressiveFlag
LDA.l HighestShield
CMP.l ProgressiveShieldLimit : BCC +
LDA.l ProgressiveShieldReplacement
JMP .get_item
++ LDA.l HighestShield
+
TAX
LDA.w .shields_ids,X
JMP .have_item
..ids
db $04, $05, $06, $06
.armor
SEP #$20
LDA.l !MULTIWORLD_SPRITEITEM_PLAYER_ID : BNE ++
LDA.l HighestMail
CMP.l ProgressiveArmorLimit : BCC +
LDA.l ProgressiveArmorReplacement
JMP .get_item
+
++ LDA.l ArmorEquipment
TAX
LDA.w .armor_ids,X
JMP .have_item
..ids
db $22, $23, $23
.gloves
SEP #$20
LDA.l GloveEquipment : TAX
LDA.w .gloves_ids,X
JMP .have_item
..ids
db $1B, $1C, $1C
.progressive_bow
; For non-chest progressive bows we assign the tracking bits to SpriteMetaData,X
; (where X is that sprite's slot) so the bit can be set on pickup.
SEP #$30
LDA.l !MULTIWORLD_SPRITEITEM_PLAYER_ID : BNE .skipbowlimit
LDA.l BowEquipment : INC : LSR : CMP.l ProgressiveBowLimit : BCC +
LDA.l ProgressiveBowReplacement
JMP .get_item
+
LDA.w ItemReceiptMethod : CMP.b #$01 : BEQ +
LDX.w CurrentSpriteSlot
LDA.b #$10 : STA.w SpriteMetaData,X
+
.skipbowlimit
LDA.l BowEquipment : TAX
LDA.w ResolveLootID_bows_ids,X
JMP .get_item
.progressive_bow_2
SEP #$30
LDA.l !MULTIWORLD_SPRITEITEM_PLAYER_ID : BNE .skipbowlimit_2
LDA.l BowEquipment : INC : LSR : CMP.l ProgressiveBowLimit : BCC +
LDA.l ProgressiveBowReplacement
JMP .get_item
+
LDA.w ItemReceiptMethod : CMP.b #$01 : BEQ +
LDX.w CurrentSpriteSlot
LDA.b #$20 : STA.w SpriteMetaData,X
.skipbowlimit_2
+
LDA.l BowEquipment : TAX
LDA.w ResolveLootID_bows_ids,X
JMP .get_item
.bows
..ids
db $3A, $3B, $3B, $3B, $3B
.null_chest
; JSL ChestItemServiceRequest
JMP .have_item
.rng_single
JSL GetRNGItemSingle : STA.l ScratchBufferV+6
XBA : JSR MarkRNGItemSingle
LDA.b #$FF : STA.l RNGLockIn ; clear lock-in
LDA.l ScratchBufferV+6 : JMP .get_item
.rng_multi
JSL GetRNGItemMulti : STA.l ScratchBufferV+6
LDA.b #$FF : STA.l RNGLockIn ; clear lock-in
LDA.l ScratchBufferV+6 : JMP .get_item
;--------------------------------------------------------------------------------
DungeonItemMasks:
; these are dungeon correlations to $7EF364 - $7EF369 so it knows where to store compasses, etc
; sewers and castle get 2 bits active so that they can share their items elegantly
dw $C000, $C000, $2000, $1000, $0800, $0400, $0200, $0100
dw $0080, $0040, $0020, $0010, $0008, $0004, $4B8B, $20AB ; last two can be re-used
; caves
dw $9CCE, $0390, $2F82, $AD03, $02E9, $01C9, $06D0, $72A5
dw $A548, $4873, $01A0, $D8AD, $C902, $D020, $A002, $9802
dw $E48D, $DA02, $D8AC, $D002, $A215, $BD08, $84E2, $0085
dw $E3BD, $8584, $A901, $857E, $B902, $857A, $0087, $0A98
dw $BDAA, $84E2, $0085, $E3BD, $8584, $A901, $857E, $B902
dw $857A, $0230, $0087, $1FC0, $02D0, $5664, $04A9, $4BC0
dw $06F0, $1EC0, $0AD0, $02A9, $790F, $7EF3, $798F, $7EF3
dw $1BC0, $04F0, $1CC0, $07D0, $1B22, $1BEE, $0182, $A201
dw $C004, $F037, $A20C, $C001, $F038, $A206, $C002, $D039
dw $8A14, $0007, $0087, $00EE, $2902, $C907, $D007, $A906
dw $8F04, $F3C7, $C07E, $D022, $A70A, $D000, $A904, $8701
dw $8000, $C0C9, $F025, $C008, $F032, $C004, $D033, $AE11
dw $040C, $20C2, $C6BD, $0785, $8700, $E200, $8220, $00B0
dw $3EC0, $0AD0, $082C, $1003, $A905, $8D02, $0309, $20C0
dw $44D0
;--------------------------------------------------------------------------------
BottleListExpanded:
db $16, $2B, $2C, $2D, $3D, $3C, $48
PotionListExpanded:
db $2E, $2F, $30, $FF, $0E
;--------------------------------------------------------------------------------
HandleBowTracking:
; In: A - Item Receipt ID
PHA
CMP.b #$64 : BEQ .prog_one
CMP.b #$65 : BEQ .prog_two
CMP.b #$0B : BEQ .vanilla_bow
CMP.b #$3A : BEQ .vanilla_bow
CMP.b #$3B : BEQ .vanilla_bow
PLA
RTS
.prog_one
LDA.b #$10
BRA .done
.prog_two
LDA.b #$20
BRA .done
.vanilla_bow
; A non-chest progressive bow will always have been resolved to a vanilla bow ID
; at this point.
LDA.w ItemReceiptMethod : CMP.b #$01 : BEQ +
LDX.w CurrentSpriteSlot
LDA.w SpriteMetaData,X : BEQ .done
BRA .done
+
LDA.b #$00
.done
ORA.b #$80 : ORA.l BowTracking
STA.l BowTracking
PLA
RTS
;--------------------------------------------------------------------------------
;Return BowEquipment but also draw silver arrows if you have the upgrade even if you don't have the bow
CheckHUDSilverArrows:
LDA.l ArrowMode : BNE .rupee_bow
LDA.l BowEquipment : TAX : BEQ .nobow
JSL DrawHUDArrows_normal
TXA
RTL
.rupee_bow
LDA.l BowEquipment : TAX
JSL DrawHUDArrows_rupee_arrows
TXA
RTL
.nobow
JSL DrawHUDArrows_silverscheck
TXA
RTL
;--------------------------------------------------------------------------------
DrawHUDArrows:
.rupee_arrows
LDA.l CurrentArrows : BEQ .none ; assuming silvers will increment this. if we go with something else, reorder these checks
TXA : BNE +
.silverscheck
LDA.l BowTracking : AND.b #$40 : BNE .silver
BRA .wooden
+ CMP.b #03 : !BGE .silver
.wooden
LDA.b #$A7 : STA.l HUDTileMapBuffer+$20 ; draw wooden arrow marker
LDA.b #$20 : STA.l HUDTileMapBuffer+$21
LDA.b #$A9 : STA.l HUDTileMapBuffer+$22
LDA.b #$20 : STA.l HUDTileMapBuffer+$23
.skip
RTL
.normal
TXA
CMP.b #$03 : BCS .silver
BRA .wooden
.silver
LDA.b #$86 : STA.l HUDTileMapBuffer+$20 ; draw silver arrow marker
LDA.b #$24 : STA.l HUDTileMapBuffer+$21
LDA.b #$87 : STA.l HUDTileMapBuffer+$22
LDA.b #$24 : STA.l HUDTileMapBuffer+$23
RTL
.none
LDA.b #$7F : STA.l HUDTileMapBuffer+$20 ; draw no arrow marker
LDA.b #$24 : STA.l HUDTileMapBuffer+$21
LDA.b #$7F : STA.l HUDTileMapBuffer+$22
LDA.b #$24 : STA.l HUDTileMapBuffer+$23
RTL
;--------------------------------------------------------------------------------
GetRNGItemSingle:
PHY
LDA.l RNGLockIn : CMP.b #$FF : BEQ + : TAX : XBA : LDA.l RNGSingleItemTable, X : RTL : +
LDX.b #$00
.single_reroll
JSL GetRandomInt : AND.b #$7F ; select random value
INX : CPX.b #$7F : BCC + : LDA.b #$00 : BRA +++ : + ; default to 0 if too many attempts
CMP.l RNGSingleTableSize : !BGE .single_reroll
+++
STA.l ScratchBufferV ; put our index value here
LDX.b #$00
TAY
.recheck
TYA
JSR CheckSingleItem : BEQ .single_unused ; already used
LDA.l ScratchBufferV : INC ; increment index
CMP.l RNGSingleTableSize : BCC +++ : LDA.b #$00 : +++ ; rollover index if needed
STA.l ScratchBufferV ; store index
INX : TAY : TXA : CMP.l RNGSingleTableSize : BCC .recheck
LDA.b #$5A ; everything is gone, default to null item - MAKE THIS AN OPTION FOR THIS AND THE OTHER ONE
BRA .single_done
.single_unused
LDA.l ScratchBufferV
.single_done
TAX : LDA.l RNGSingleItemTable, X
XBA : LDA.l ScratchBufferV : STA.l RNGLockIn : XBA
PLY
RTL
;--------------------------------------------------------------------------------
CheckSingleItem:
LSR #3 : TAX
LDA.l RNGItem, X : STA.l ScratchBufferV+2 ; load value to temporary
PHX
LDA.l ScratchBufferV : AND.b #$07 : TAX ; load 0-7 part into X
LDA.l ScratchBufferV+2
---
CPX.b #$00 : BEQ +++
LSR
DEX
BRA ---
+++
PLX
AND.b #$01
RTS
;--------------------------------------------------------------------------------
MarkRNGItemSingle:
LSR #3 : STA.l ScratchBufferV+1 : TAX
LDA.l RNGItem, X
STA.l ScratchBufferV+2
LDA.l ScratchBufferV : AND.b #$07 : TAX ; load 0-7 part into X
LDA.b #01
---
CPX.b #$00 : BEQ +++
ASL
DEX
BRA ---
+++
PHA
LDA.l ScratchBufferV+1 : TAX
PLA
ORA.l ScratchBufferV+2
STA.l RNGItem, X
RTS
;--------------------------------------------------------------------------------
GetRNGItemMulti:
LDA.l RNGLockIn : CMP.b #$FF : BEQ + : TAX : XBA : LDA.l RNGMultiItemTable, X : RTL : +
LDX.b #$00
- ; reroll
JSL GetRandomInt : AND.b #$7F ; select random value
INX : CPX.b #$7F : BCC + : LDA.b 00 : BRA .done : + ; default to 0 if too many attempts
CMP.l RNGMultiTableSize : !BGE -
.done
STA.l RNGLockIn
TAX : XBA : LDA.l RNGMultiItemTable, X
RTL
;--------------------------------------------------------------------------------
IncrementItemCounters:
PHX : PHA
LDX.b #$00
-
LDA.l ItemSubstitutionRules, X
CMP.b #$FF : BEQ .exit
CMP.b 1,s : BNE .noMatch
.match
PHX
TXA : LSR #2 : TAX
LDA.l ItemLimitCounts, X : INC : STA.l ItemLimitCounts, X
PLX
BEQ .exit
.noMatch
INX #4
BRA -
.exit
PLA : PLX
RTS
;--------------------------------------------------------------------------------
AttemptItemSubstitution:
PHX : PHA
LDA.l !MULTIWORLD_SPRITEITEM_PLAYER_ID : BNE .exit
LDX.b #$00
-
LDA.l ItemSubstitutionRules, X
CMP.b #$FF : BEQ .exit
CMP.b 1,S : BNE .noMatch
.match
PHX
TXA : LSR #2 : TAX
LDA.l ItemLimitCounts, X
PLX
CMP.l ItemSubstitutionRules+1, X : BCC +
LDA.l ItemSubstitutionRules+2, X : STA.b 1,S
+
BEQ .exit
.noMatch
INX #4
BRA -
.exit
PLA : PLX
RTL
;--------------------------------------------------------------------------------
CountBottles:
PHX
LDX.b #$00
LDA.l BottleContentsOne : BEQ + : INX
+ : LDA.l BottleContentsTwo : BEQ + : INX
+ : LDA.l BottleContentsThree : BEQ + : INX
+ : LDA.l BottleContentsFour : BEQ + : INX
+
TXA
PLX
RTS
;--------------------------------------------------------------------------------
ActivateGoal:
STZ.b GameSubMode
STZ.b SubSubModule
JML StatsFinalPrep
;--------------------------------------------------------------------------------
ChestPrep:
LDA.b #$01 : STA.w ItemReceiptMethod
JSL IncrementChestCounter
LDA.l ServerRequestMode : BEQ +
JSL ChestItemServiceRequest
RTL
+
LDY.b Scrap0C ; get item value
SEC
RTL
;--------------------------------------------------------------------------------
MaybeFlagCompassTotalPickup:
LDA.l CompassMode : AND.b #$0F : BEQ .done
LDA.w DungeonID : BMI .done
LDA.w ItemReceiptID : CMP.b #$25 : BEQ .set_flag
REP #$20
AND.w #$000F : ASL : TAX
LDA.w DungeonItemIDMap,X : CMP.w DungeonID : BNE .done
.set_flag
REP #$20
TYA : ORA.l CompassCountDisplay : STA.l CompassCountDisplay
.done
RTL
MaybeFlagMapTotalPickup:
; LDA.l MapHUDMode : AND.b #$0F : BEQ .done
LDA.w DungeonID : BMI .done
LDA.w ItemReceiptID : CMP.b #$33 : BEQ .set_flag
REP #$20
AND.w #$000F : ASL : TAX
LDA.w DungeonItemIDMap,X : CMP.w DungeonID : BNE .done
.set_flag
REP #$20
TYA : ORA.l MapCountDisplay : STA.l MapCountDisplay
.done
RTL
;--------------------------------------------------------------------------------
; Set the dungeon item count display flags if we're entering a dungeon and have the
; corresponding dungeon item
MaybeFlagDungeonTotalsEntrance:
LDX.w DungeonID : BMI .done ; Skip if we're not entering dungeon
REP #$10
LDA.l DungeonItemMasks,X : TAY
LDA.l CompassMode : AND.w #$000F : BEQ .maps ; Skip if we're not showing compass counts
JSR FlagCompassCount
.maps
; LDA.l MapHUDMode : AND.w #$000F : BEQ .done
LDX.w DungeonID
JSR FlagMapCount
.done
RTL
;--------------------------------------------------------------------------------
FlagCompassCount:
CMP.w #$0002 : BEQ .compass_shown
LDA.l CompassField : AND.l DungeonItemMasks, X : BEQ .done ; skip if we don't have compass
.compass_shown
TYA : ORA.l CompassCountDisplay : STA.l CompassCountDisplay
.done
RTS
;--------------------------------------------------------------------------------
FlagMapCount:
CMP.w #$0002 : BEQ .mapShown
LDA.l MapField : AND.l DungeonItemMasks, X : BEQ .done ; skip if we don't have map
.mapShown
TYA : ORA.l MapCountDisplay : STA.l MapCountDisplay
.done
RTS
;--------------------------------------------------------------------------------
DungeonItemIDMap: ; Maps lower four bits of our new dungeon items to DungeonID
dw $FFFF
dw $FFFF
dw $001A ; GT
dw $0018 ; TR
dw $0016 ; TT
dw $0014 ; TH
dw $0012 ; IP
dw $0010 ; SW
dw $000E ; MM
dw $000C ; PD
dw $000A ; SP
dw $0008 ; CT
dw $0006 ; DP
dw $0004 ; EP
dw $0002 ; HC
dw $0000 ; Sewers
PendantMasks:
db $04, 01, 02