dockipelago/worlds/tloz_oos/patching/asm/multi.yaml

# if the item buffer is nonzero, spawn the item at link and reset the buffer.
# var INTERAC_MULTI_BYTE is used to signal the destination player number, and
# var 71 is set to override normal collect/player properties lookup.
05//checkNetItemBuffer: |
    call $5e3d  ; checkLinkPushingAgainstBed 
    push bc
    push de
    push hl
    
    ; Don't spawn the item if menu is disabled (cutscenes, etc...)
    ld a,(wMenuDisabled)
    or a
    jr nz,@done
    
    ; Don't spawn the item if Link is grabbing something
    ld a,(wLinkGrabState)
    or a
    jr nz,@done
    
    ; Don't spawn the item if Link is immobilized for some reason (falling down a pit, etc...)
    ld a,(wLinkImmobilized)
    or a
    jr nz,@done
    
    ; Don't spawn the item if Link is drowning
    ld a,(wLinkSwimmingState)
    cp $01
    jr z,@done
    cp $02
    jr z,@done
    
    ; Don't spawn the item if Link is riding a minecart or anything else
    ld a,(wLinkObjectIndex)
    cp $d0
    jr nz,@done
    
    ; Don't spawn the item if Link is too close to the room border, preventing any text-warp from occuring
    ld a,(wRoomEdgeY)
    ld b,a
    ld a,(w1Link.yh)
    cp TEXT_WARP_PROTECTION_MARGIN
    jr c,@done
    add a,TEXT_WARP_PROTECTION_MARGIN
    sub b
    jr nc,@done
    
    ld a,(wRoomEdgeX)
    ld b,a
    ld a,(w1Link.xh)
    cp TEXT_WARP_PROTECTION_MARGIN
    jr c,@done
    add a,TEXT_WARP_PROTECTION_MARGIN
    sub b
    jr nc,@done
    
    ; All lights are green, spawn the item
    ld hl,wNetTreasureIn
    ldi a,(hl)
    or a
    jr z,@done
    cp $ff
    jr nz,@notDeathlink
    
    ; If item in buffer is 0xFF, it's a deathlink signal so make Link die
    ld a,$fe
    ld (wLinkDeathTrigger),a
    jr @done
    
    @notDeathlink:
    ld b,a
    ld c,(hl)
    call spawnTreasureOnLink
    jr nz,@done
    ld l,$71  ; Set forced collect mode in var31
    ld (hl),COLLECT_PICKUP_NOFLAG
    
    ld hl,wNetCountIn
    inc (hl)
    ldi a,(hl)
    or a
    jr nz,@noOverflow
    inc (hl)
    
    @noOverflow:
    ld hl,wNetTreasureIn
    xor a
    ldi (hl),a
    ld (hl),a
    
    @done:
    pop hl
    pop de
    pop bc
    ret
# Replace the call to checkLinkPushingAgainstBed by a call to this function
05/5513/: call checkNetItemBuffer

# run treasure state 1 code immediately following treasure state 0 code, so
# that link can pick up items on the same frame they're spawned. this avoids
# issues for treasures spawning on the frame before link gets warped, like
# after subrosian dancing and when failing poe skip. maku seed visuals don't
# quite work right this way, so don't do this for maku seed.
09//treasureCollideImmediately: |
    call objectSetVisiblec2
    ld e,$70
    ld a,(de)
    cp TREASURE_MAKU_SEED
    ret z
    jp $4000    ; interactionCode60
09/4033/: jp treasureCollideImmediately

# if var 71 is already nonzero, use that as the collect mode instead of
# whatever this is.
15//keepNonzeroCollectMode: |
    ld e,$71
    ld a,(de)
    and a
    jr nz,@next
    ld a,b
    @next:
    ld b,a
    swap a
    and $07
    ld (de),a
    ret
15/465f/: call keepNonzeroCollectMode

# don't set global flag 30 when defeating onox in multiworld
0f/7145/: |
    nop
    nop
    nop
# don't set file to completed when saving after credits in multiworld
15/49bc/: ret