356 lines
8.9 KiB
NASM
356 lines
8.9 KiB
NASM
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; Handle the multiworld link
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MainLoop:
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#IF HARDWARE_LINK
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call handleSerialLink
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#ENDIF
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; Check if the gameplay is world
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ld a, [$DB95]
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cp $0B
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ret nz
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; Check if the world subtype is the normal one
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ld a, [$DB96]
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cp $07
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ret nz
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; Check if we are moving between rooms
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ld a, [$C124]
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and a
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ret nz
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; Check if link is in a normal walking/swimming state
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ld a, [$C11C]
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cp $02
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ret nc
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; Check if a dialog is open
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ld a, [$C19F]
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and a
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ret nz
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; Check if interaction is blocked
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ldh a, [$A1]
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and a
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ret nz
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ld a, [wLinkSpawnDelay]
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and a
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jr z, .allowSpawn
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dec a
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ld [wLinkSpawnDelay], a
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jr .noSpawn
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.allowSpawn:
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ld a, [wZolSpawnCount]
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and a
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call nz, LinkSpawnSlime
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ld a, [wCuccoSpawnCount]
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and a
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call nz, LinkSpawnCucco
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ld a, [wDropBombSpawnCount]
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and a
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call nz, LinkSpawnBomb
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.noSpawn:
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; Have an item to give?
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ld hl, wLinkStatusBits
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bit 0, [hl]
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ret z
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; Give an item to the player
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ld a, [wLinkGiveItem]
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; if zol:
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cp $22 ; zol item
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jr z, LinkGiveSlime
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; if special item
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cp $F0
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jr nc, HandleSpecialItem
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; tmpChestItem = a
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ldh [$F1], a
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; Give the item
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call GiveItemFromChest
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; Paste the item text
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call BuildItemMessage
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; Paste " from "
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ld hl, SpaceFrom
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call MessageCopyString
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; Paste the player name
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ld a, [wLinkGiveItemFrom]
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call MessageAddPlayerName
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ld a, $C9
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; hl = $wLinkStatusBits
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ld hl, wLinkStatusBits
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; clear the 0 bit of *hl
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res 0, [hl]
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; OpenDialog()
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jp $2385 ; Opendialog in $000-$0FF range
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LinkGiveSlime:
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ld a, $05
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ld [wZolSpawnCount], a
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ld hl, wLinkStatusBits
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res 0, [hl]
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ret
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HandleSpecialItem:
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ld hl, wLinkStatusBits
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res 0, [hl]
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and $0F
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rst 0
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dw SpecialSlimeStorm
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dw SpecialCuccoParty
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dw SpecialPieceOfPower
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dw SpecialHealth
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dw SpecialRandomTeleport
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dw .ret
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dw .ret
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dw .ret
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dw .ret
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dw .ret
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dw .ret
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dw .ret
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dw .ret
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dw .ret
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dw .ret
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dw .ret
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.ret:
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ret
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SpecialSlimeStorm:
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ld a, $20
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ld [wZolSpawnCount], a
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ret
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SpecialCuccoParty:
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ld a, $20
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ld [wCuccoSpawnCount], a
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ret
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SpecialPieceOfPower:
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; Give the piece of power and the music
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ld a, $01
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ld [$D47C], a
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ld a, $27
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ld [$D368], a
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ld a, $49
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ldh [$BD], a
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ldh [$BF], a
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ret
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SpecialHealth:
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; Regen all health
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ld hl, $DB93
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ld [hl], $FF
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ret
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LinkSpawnSlime:
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ld a, $1B
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ld e, $08
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call $3B98 ; SpawnNewEntity in range
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ret c
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; Place somewhere random
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call placeRandom
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ld hl, $C310
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add hl, de
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ld [hl], $7F
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ld hl, wZolSpawnCount
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dec [hl]
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call $280D
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and $03
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ld [wLinkSpawnDelay], a
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ret
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LinkSpawnCucco:
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ld a, $6C
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ld e, $04
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call $3B98 ; SpawnNewEntity in range
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ret c
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; Place where link is at.
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ld hl, $C200
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add hl, de
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ldh a, [$98]
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ld [hl], a
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ld hl, $C210
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add hl, de
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ldh a, [$99]
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ld [hl], a
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; Set the "hits till cucco killer attack" much lower
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ld hl, $C2B0
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add hl, de
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ld a, $21
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ld [hl], a
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ld hl, wCuccoSpawnCount
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dec [hl]
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call $280D
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and $07
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ld [wLinkSpawnDelay], a
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ret
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LinkSpawnBomb:
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ld a, $02
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ld e, $08
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call $3B98 ; SpawnNewEntity in range
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ret c
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call placeRandom
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ld hl, $C310 ; z pos
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add hl, de
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ld [hl], $4F
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ld hl, $C430 ; wEntitiesOptions1Table
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add hl, de
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res 0, [hl]
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ld hl, $C2E0 ; wEntitiesTransitionCountdownTable
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add hl, de
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ld [hl], $80
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ld hl, $C440 ; wEntitiesPrivateState4Table
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add hl, de
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ld [hl], $01
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ld hl, wDropBombSpawnCount
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dec [hl]
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call $280D
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and $1F
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ld [wLinkSpawnDelay], a
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ret
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placeRandom:
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; Place somewhere random
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ld hl, $C200
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add hl, de
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call $280D ; random number
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and $7F
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add a, $08
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ld [hl], a
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ld hl, $C210
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add hl, de
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call $280D ; random number
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and $3F
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add a, $20
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ld [hl], a
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ret
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SpecialRandomTeleport:
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xor a
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; Warp data
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ld [$D401], a
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ld [$D402], a
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call $280D ; random number
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ld [$D403], a
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ld hl, RandomTeleportPositions
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ld d, $00
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ld e, a
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add hl, de
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ld e, [hl]
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ld a, e
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and $0F
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swap a
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add a, $08
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ld [$D404], a
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ld a, e
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and $F0
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add a, $10
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ld [$D405], a
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ldh a, [$98]
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swap a
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and $0F
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ld e, a
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ldh a, [$99]
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sub $08
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and $F0
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or e
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ld [$D416], a ; wWarp0PositionTileIndex
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call $0C7D
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ld a, $07
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ld [$DB96], a ; wGameplaySubtype
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ret
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Data_004_7AE5: ; @TODO Palette data
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db $33, $62, $1A, $01, $FF, $0F, $FF, $7F
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Deathlink:
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; Spawn the entity
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ld a, $CA ; $7AF3: $3E $CA
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call $3B86 ; $7AF5: $CD $86 $3B ;SpawnEntityTrampoline
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ld a, $26 ; $7AF8: $3E $26 ;
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ldh [$F4], a ; $7AFA: $E0 $F4 ; set noise
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; Set posX = linkX
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ldh a, [$98] ; LinkX
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ld hl, $C200 ; wEntitiesPosXTable
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add hl, de
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ld [hl], a
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; set posY = linkY - 54
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ldh a, [$99] ; LinkY
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sub a, 54
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ld hl, $C210 ; wEntitiesPosYTable
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add hl, de
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ld [hl], a
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; wEntitiesPrivateState3Table
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ld hl, $C2D0 ; $7B0A: $21 $D0 $C2
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add hl, de ; $7B0D: $19
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ld [hl], $01 ; $7B0E: $36 $01
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; wEntitiesTransitionCountdownTable
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ld hl, $C2E0 ; $7B10: $21 $E0 $C2
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add hl, de ; $7B13: $19
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ld [hl], $C0 ; $7B14: $36 $C0
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; GetEntityTransitionCountdown
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call $0C05 ; $7B16: $CD $05 $0C
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ld [hl], $C0 ; $7B19: $36 $C0
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; IncrementEntityState
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call $3B12 ; $7B1B: $CD $12 $3B
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; Remove medicine
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xor a ; $7B1E: $AF
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ld [$DB0D], a ; $7B1F: $EA $0D $DB ; ld [wHasMedicine], a
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; Reduce health by a lot
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ld a, $FF ; $7B22: $3E $FF
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ld [$DB94], a ; $7B24: $EA $94 $DB ; ld [wSubtractHealthBuffer], a
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ld hl, $DC88 ; $7B2C: $21 $88 $DC
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; Set palette
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ld de, Data_004_7AE5 ; $7B2F: $11 $E5 $7A
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loop_7B32:
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ld a, [de] ; $7B32: $1A
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; ld [hl+], a ; $7B33: $22
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db $22
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inc de ; $7B34: $13
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ld a, l ; $7B35: $7D
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and $07 ; $7B36: $E6 $07
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jr nz, loop_7B32 ; $7B38: $20 $F8
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ld a, $02 ; $7B3A: $3E $02
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ld [$DDD1], a ; $7B3C: $EA $D1 $DD
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ret
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; probalby wants
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; ld a, $02 ; $7B40: $3E $02
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;ldh [hLinkInteractiveMotionBlocked], a
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RandomTeleportPositions:
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db $55, $54, $54, $54, $55, $55, $55, $54, $65, $55, $54, $65, $56, $56, $55, $55
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db $55, $45, $65, $54, $55, $55, $55, $55, $55, $55, $55, $58, $43, $57, $55, $55
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db $55, $55, $55, $55, $55, $54, $55, $53, $54, $56, $65, $65, $56, $55, $57, $65
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db $45, $55, $55, $55, $55, $55, $55, $55, $48, $45, $43, $34, $35, $35, $36, $34
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db $65, $55, $55, $54, $54, $54, $55, $54, $56, $65, $55, $55, $55, $55, $54, $54
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db $55, $55, $55, $55, $56, $55, $55, $54, $55, $55, $55, $53, $45, $35, $53, $46
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db $56, $55, $55, $55, $53, $55, $54, $54, $55, $55, $55, $54, $44, $55, $55, $54
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db $55, $55, $45, $55, $55, $54, $45, $45, $63, $55, $65, $55, $45, $45, $44, $54
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db $56, $56, $54, $55, $54, $55, $55, $55, $55, $55, $55, $56, $54, $55, $65, $56
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db $54, $54, $55, $65, $56, $54, $55, $56, $55, $55, $55, $66, $65, $65, $55, $56
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db $65, $55, $55, $75, $55, $55, $55, $54, $55, $55, $65, $57, $55, $54, $53, $45
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db $55, $56, $55, $55, $55, $45, $54, $55, $54, $55, $56, $55, $55, $55, $55, $54
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db $55, $55, $65, $55, $55, $54, $53, $58, $55, $05, $58, $55, $55, $55, $74, $55
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db $55, $55, $55, $55, $46, $55, $55, $56, $55, $55, $55, $54, $55, $45, $55, $55
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db $55, $55, $54, $55, $55, $55, $65, $55, $55, $46, $55, $55, $56, $55, $55, $55
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db $55, $55, $54, $55, $55, $55, $45, $36, $53, $51, $57, $53, $56, $54, $45, $46
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