81a239325d
Adds Link's Awakening: DX. Fully imports and forks LADXR, with permission - https://github.com/daid/LADXR
356 lines
12 KiB
Python
356 lines
12 KiB
Python
from ..assembler import ASM
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def patchTradeSequence(rom, boomerang_option):
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patchTrendy(rom)
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patchPapahlsWife(rom)
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patchYipYip(rom)
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patchBananasSchule(rom)
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patchKiki(rom)
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patchTarin(rom)
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patchBear(rom)
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patchPapahl(rom)
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patchGoatMrWrite(rom)
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patchGrandmaUlrira(rom)
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patchFisherman(rom)
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patchMermaid(rom)
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patchMermaidStatue(rom)
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patchSharedCode(rom)
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patchVarious(rom, boomerang_option)
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patchInventoryMenu(rom)
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def patchTrendy(rom):
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# Trendy game yoshi
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rom.patch(0x04, 0x3502, 0x350F, ASM("""
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ldh a, [$F8] ; room status
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and a, $20
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jp nz, $6D7A ; clear entity
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; Render sprite
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ld a, $0F
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rst 8
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; Reset the sprite variant, else the code gets confused
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xor a
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ldh [$F1], a ; sprite variant
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"""), fill_nop=True)
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rom.patch(0x04, 0x2E80, ASM("ldh a, [$F8]"), ASM("ld a, $10")) # Prevent marin cutscene from triggering, as that locks the game now.
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rom.patch(0x04, 0x3622, 0x3627, "", fill_nop=True) # Dont set the trade item
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def patchPapahlsWife(rom):
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# Rewrite how the first dialog is generated.
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rom.patch(0x18, 0x0E7A, 0x0EA8, ASM("""
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ldh a, [$F8] ; room status
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and a, $20
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jr nz, tradeDone
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ld a, [wTradeSequenceItem]
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and $01
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jr nz, requestTrade
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ld a, $2A ; Dialog about wanting a yoshi doll
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jp $2373 ; OpenDialogInTable1
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tradeDone:
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ld a, $2C ; Dialog about kids, after trade is done
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jp $2373 ; OpenDialogInTable1
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requestTrade:
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ld a, $2B ; Dialog about kids, after trade is done
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call $3B12; IncrementEntityState
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jp $2373 ; OpenDialogInTable1
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"""), fill_nop=True)
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rom.patch(0x18, 0x0EB4, 0x0EBD, ASM("ld hl, wTradeSequenceItem\nres 0, [hl]"), fill_nop=True) # Take the trade item
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def patchYipYip(rom):
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# Change how the decision is made to draw yipyip with a ribbon
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rom.patch(0x06, 0x1A2C, 0x1A36, ASM("""
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ldh a, [$F8] ; room status
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and $20
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jr z, tradeNotDone
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ld de, $59C8 ; yipyip with ribbon
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tradeNotDone:
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"""), fill_nop=True)
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# Check if we have the ribbon
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rom.patch(0x06, 0x1A7C, 0x1A83, ASM("""
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ld a, [wTradeSequenceItem]
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and $02
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jr z, $07
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"""), fill_nop=True)
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rom.patch(0x06, 0x1AAF, 0x1AB8, ASM("ld hl, wTradeSequenceItem\nres 1, [hl]"), fill_nop=True) # Take the trade item
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def patchBananasSchule(rom):
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# Change how to check if we have the right trade item
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rom.patch(0x19, 0x2D54, 0x2D5B, ASM("""
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ld a, [wTradeSequenceItem]
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and $04
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jr z, $08
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"""), fill_nop=True)
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rom.patch(0x19, 0x2DF0, 0x2DF9, ASM("ld hl, wTradeSequenceItem\nres 2, [hl]"), fill_nop=True) # Take the trade item
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# Change how the decision is made to render less bananas
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rom.patch(0x19, 0x2EF1, 0x2EFA, ASM("""
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ldh a, [$F8]
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and $20
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jr z, skip
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dec c
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dec c
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skip: """), fill_nop=True)
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# Part of the same entity code, but this is the painter, which changes the dialog depending on mermaid scale or magnifier
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rom.patch(0x19, 0x2F95, 0x2F9C, ASM("""
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ld a, [wTradeSequenceItem2]
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and $10 ; Check for mermaid scale
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jr z, $04
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"""))
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rom.patch(0x19, 0x2FA0, 0x2FA4, ASM("""
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and $20 ; Check for magnifier
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jr z, $07
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"""))
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rom.patch(0x19, 0x2CE3, "9A159C15", "B41DB61D") # Properly draw the dog food
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def patchKiki(rom):
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rom.patch(0x07, 0x18E6, 0x18ED, ASM("""
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ld a, [wTradeSequenceItem]
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and $08 ; check for banana
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jr z, $08
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"""))
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rom.patch(0x07, 0x19AF, 0x19B4, "", fill_nop=True) # Do not change trading item memory
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rom.patch(0x07, 0x19CC, 0x19D5, ASM("ld hl, wTradeSequenceItem\nres 3, [hl]"), fill_nop=True) # Take the trade item
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rom.patch(0x07, 0x194D, "9A179C17", "B81FBA1F") # Properly draw the banana above kiki
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def patchTarin(rom):
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rom.patch(0x07, 0x0EC5, 0x0ECA, ASM("""
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ld a, [wTradeSequenceItem]
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and $10 ; check for stick
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"""))
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rom.patch(0x07, 0x0F30, 0x0F33, "", fill_nop=True) # Take the trade item
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# Honeycomb, change how we detect that it should fall on entering the room
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rom.patch(0x07, 0x0CCC, 0x0CD3, ASM("""
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ld a, [$D887]
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and $40
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jr z, $14
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"""))
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# Something about tarin changing messages or not showing up depending on the trade sequence
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rom.patch(0x05, 0x0BFF, 0x0C07, "", fill_nop=True) # Just ignore the trade sequence
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rom.patch(0x05, 0x0D20, 0x0D27, "", fill_nop=True) # Just ignore the trade sequence
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rom.patch(0x05, 0x0DAF, 0x0DB8, "", fill_nop=True) # Tarin giving bananas?
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rom.patch(0x07, 0x0D6D, 0x0D7A, ASM("ld hl, wTradeSequenceItem\nres 4, [hl]"), fill_nop=True) # Take the trade item
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def patchBear(rom):
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# Change the trade item check
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rom.patch(0x07, 0x0BCC, 0x0BD3, ASM("""
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ld a, [wTradeSequenceItem]
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and $20 ; check for honeycomb
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jr z, $0E
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"""))
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rom.patch(0x07, 0x0C21, ASM("jr nz, $22"), "", fill_nop=True)
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rom.patch(0x07, 0x0C23, 0x0C2A, ASM("""
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ld a, [wTradeSequenceItem]
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and $20 ; check for honeycomb
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jr z, $08
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"""))
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rom.patch(0x07, 0x0C3C, 0x0C43, ASM("""
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nop
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nop
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nop
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nop
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nop
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jr $02
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"""))
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rom.patch(0x07, 0x0C5E, 0x0C67, ASM("ld hl, wTradeSequenceItem\nres 5, [hl]"), fill_nop=True) # Take the trade item
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def patchPapahl(rom):
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rom.patch(0x07, 0x0A21, 0x0A30, ASM("call $7EA4"), fill_nop=True) # Never show indoor papahl
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# Render the bag condition
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rom.patch(0x07, 0x0A81, 0x0A88, ASM("""
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ldh a, [$F8] ; current room status
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and $20
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nop
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jr nz, $18
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"""))
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# Check for the right item
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rom.patch(0x07, 0x0ACF, 0x0AD4, ASM("""
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ld a, [wTradeSequenceItem]
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and $40 ; pineapple
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"""))
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rom.patch(0x07, 0x0AD6, ASM("jr z, $02"), ASM("jr nz, $02"))
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rom.patch(0x07, 0x0AF9, 0x0B00, ASM("""
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ld a, [wTradeSequenceItem]
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and $40 ; pineapple
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jr z, $0E
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"""))
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rom.patch(0x07, 0x0B2F, 0x0B38, ASM("ld hl, wTradeSequenceItem\nres 6, [hl]"), fill_nop=True) # Take the trade item
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def patchGoatMrWrite(rom): # The goat and mrwrite are the same entity
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rom.patch(0x18, 0x0BF1, 0x0BF8, ASM("""
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ldh a, [$F8]
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and $20
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nop
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jr nz, $03
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""")) # Check if we made the trade with the goat
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rom.patch(0x18, 0x0C2C, 0x0C33, ASM("""
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ld a, [wTradeSequenceItem]
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and $80 ; hibiscus
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jr z, $08
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""")) # Check if we have the hibiscus
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rom.patch(0x18, 0x0C3D, 0x0C41, "", fill_nop=True)
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rom.patch(0x18, 0x0C6B, 0x0C74, ASM("ld hl, wTradeSequenceItem\nres 7, [hl]"), fill_nop=True) # Take the trade item for the goat
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rom.patch(0x18, 0x0C8B, 0x0C92, ASM("""
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ld a, [wTradeSequenceItem2]
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and $01 ; letter
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jr z, $08
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""")) # Check if we have the letter
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rom.patch(0x18, 0x0C9C, 0x0CA0, "", fill_nop=True)
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rom.patch(0x18, 0x0CE2, 0x0CEB, ASM("ld hl, wTradeSequenceItem2\nres 0, [hl]"), fill_nop=True) # Take the trade item for mrwrite
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def patchGrandmaUlrira(rom):
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rom.patch(0x18, 0x0D2C, ASM("jr z, $02"), "", fill_nop=True) # Always show up in animal village
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rom.patch(0x18, 0x0D3C, 0x0D51, ASM("""
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ldh a, [$F8]
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and $20
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jp nz, $4D58
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"""), fill_nop=True)
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rom.patch(0x18, 0x0D95, 0x0D9A, "", fill_nop=True)
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rom.patch(0x18, 0x0D9C, 0x0DA0, "", fill_nop=True)
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rom.patch(0x18, 0x0DA3, 0x0DAA, ASM("""
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ld a, [wTradeSequenceItem2]
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and $02 ; broom
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jr z, $0B
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"""))
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rom.patch(0x18, 0x0DC4, 0x0DC7, "", fill_nop=True)
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rom.patch(0x18, 0x0DE2, 0x0DEB, ASM("ld hl, wTradeSequenceItem2\nres 1, [hl]"), fill_nop=True) # Take the trade item
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rom.patch(0x18, 0x0E1D, 0x0E20, "", fill_nop=True)
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rom.patch(0x18, 0x0D13, "9A149C14", "D01CD21C")
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def patchFisherman(rom):
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# Not sure what this first check is for
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rom.patch(0x07, 0x02F8, 0x0300, ASM("""
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"""), fill_nop=True)
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# Check for the hook
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rom.patch(0x07, 0x04BF, 0x04C6, ASM("""
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ld a, [wTradeSequenceItem2]
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and $04 ; hook
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jr z, $08
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"""))
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rom.patch(0x07, 0x04F3, 0x04F6, "", fill_nop=True)
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rom.patch(0x07, 0x057D, 0x0586, ASM("ld hl, wTradeSequenceItem2\nres 2, [hl]"), fill_nop=True) # Take the trade item
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rom.patch(0x04, 0x1F88, 0x1F8B, "", fill_nop=True)
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def patchMermaid(rom):
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# Check for the right trade item
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rom.patch(0x07, 0x0797, 0x079E, ASM("""
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ld a, [wTradeSequenceItem2]
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and $08 ; necklace
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jr z, $0B
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"""))
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rom.patch(0x07, 0x0854, 0x085B, ASM("ld hl, wTradeSequenceItem2\nres 3, [hl]"), fill_nop=True) # Take the trade item
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def patchMermaidStatue(rom):
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rom.patch(0x18, 0x095D, 0x0962, "", fill_nop=True)
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rom.patch(0x18, 0x0966, 0x097A, ASM("""
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ld a, [wTradeSequenceItem2]
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and $10 ; scale
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ret z
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ldh a, [$F8]
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and $20
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ret nz
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"""), fill_nop=True)
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def patchSharedCode(rom):
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# Trade item render code override.
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rom.patch(0x07, 0x1535, 0x1575, ASM("""
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ldh a, [$F9]
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and a
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jr z, notSideScroll
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ldh a, [$EC]; hActiveEntityVisualPosY
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add a, $02
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ldh [$EC], a
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notSideScroll:
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; Render sprite
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ld a, $0F
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rst 8
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"""), fill_nop=True)
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# Trade item message code
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# rom.patch(0x07, 0x159F, 0x15B9, ASM("""
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# ld a, $09 ; give message and item (from alt item table)
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# rst 8
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# """), fill_nop=True)
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rom.patch(0x07, 0x159F, 0x15B9, ASM("""
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ldh a, [$F6] ; map room
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cp $B2
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jr nz, NotYipYip
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add a, 2 ; Add 2 to room to set room pointer to an empty room for trade items
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ldh [$F6], a
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ld a, $0e ; giveItemMultiworld
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rst 8
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ldh a, [$F6] ; map room
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sub a, 2 ; ...and undo it
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ldh [$F6], a
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jr Done
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NotYipYip:
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ld a, $0e ; giveItemMultiworld
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rst 8
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Done:
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"""), fill_nop=True)
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# Prevent changing the 2nd trade item memory
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rom.patch(0x07, 0x15BD, 0x15C1, ASM("""
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call $7F7F
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xor a ; we need to exit with A=00
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"""), fill_nop=True)
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rom.patch(0x07, 0x3F7F, "00" * 7, ASM("ldh a, [$F8]\nor $20\nldh [$F8], a\nret"))
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def patchVarious(rom, boomerang_option):
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# Make the zora photo work with the magnifier
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rom.patch(0x18, 0x09F3, 0x0A02, ASM("""
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ld a, [wTradeSequenceItem2]
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and $20 ; MAGNIFYING_GLASS
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jp z, $7F08 ; ClearEntityStatusBank18
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"""), fill_nop=True)
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rom.patch(0x03, 0x0B6D, 0x0B75, ASM("""
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ld a, [wTradeSequenceItem2]
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and $20 ; MAGNIFYING_GLASS
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jp z, $3F8D ; UnloadEntity
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"""), fill_nop=True)
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# Mimic invisibility
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rom.patch(0x18, 0x2AC8, 0x2ACE, "", fill_nop=True)
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# Ignore trade quest state for marin at beach
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rom.patch(0x18, 0x219E, 0x21A6, "", fill_nop=True)
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# Shift the magnifier 8 pixels
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rom.patch(0x03, 0x0F68, 0x0F6F, ASM("""
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ldh a, [$F6] ; map room
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cp $97 ; check if we are in the maginfier room
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jp z, $4F83
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"""), fill_nop=True)
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# Something with the photographer
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rom.patch(0x36, 0x0948, 0x0950, "", fill_nop=True)
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if boomerang_option not in {'trade', 'gift'}: # Boomerang cave is not patched, so adjust it
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rom.patch(0x19, 0x05EC, ASM("ld a, [wTradeSequenceItem]\ncp $0E\njp nz, $7E61"), ASM("ld a, [wTradeSequenceItem2]\nand $20\njp z, $7E61")) # show the guy
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rom.patch(0x00, 0x3199, ASM("ld a, [wTradeSequenceItem]\ncp $0E\njr nz, $06"), ASM("ld a, [wTradeSequenceItem2]\nand $20\njr z, $06")) # load the proper room layout
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rom.patch(0x19, 0x05F4, 0x05FB, "", fill_nop=True)
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def patchInventoryMenu(rom):
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# Never draw the trade item the normal way
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rom.patch(0x20, 0x1A2E, ASM("ld a, [wTradeSequenceItem2]\nand a\njr nz, $23"), ASM("jp $5A57"), fill_nop=True)
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rom.patch(0x20, 0x1EB5, ASM("ldh a, [$FE]\nand a\njr z, $34"), ASM("ld a, $10\nrst 8"), fill_nop=True)
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