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entities: document GetEntityDirectionToLink_05
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@ -219,41 +219,46 @@ GetEntityToLinkPositionDeltaY_05::
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ld d, a ;; 05:7B22 $57
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ret ;; 05:7B23 $C9
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func_005_7B24::
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; Inputs:
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; bc entity index
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;
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; Outputs:
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; e entity's direction to Link (see DIRECTION_* constants for possible values)
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GetEntityDirectionToLink_05::
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call GetEntityToLinkPositionDeltaX_05 ;; 05:7B24 $CD $04 $7B
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ld a, e ;; 05:7B27 $7B
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ldh [hMultiPurpose0], a ;; 05:7B28 $E0 $D7
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ld a, d ;; 05:7B2A $7A
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bit 7, a ;; 05:7B2B $CB $7F
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jr z, .jr_7B31 ;; 05:7B2D $28 $02
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jr z, .positiveX ;; 05:7B2D $28 $02
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cpl ;; 05:7B2F $2F
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inc a ;; 05:7B30 $3C
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.jr_7B31
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.positiveX
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push af ;; 05:7B31 $F5
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call GetEntityToLinkPositionDeltaY_05 ;; 05:7B32 $CD $14 $7B
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ld a, e ;; 05:7B35 $7B
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ldh [hMultiPurpose1], a ;; 05:7B36 $E0 $D8
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ld a, d ;; 05:7B38 $7A
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bit 7, a ;; 05:7B39 $CB $7F
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jr z, .jr_7B3F ;; 05:7B3B $28 $02
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jr z, .positiveY ;; 05:7B3B $28 $02
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cpl ;; 05:7B3D $2F
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inc a ;; 05:7B3E $3C
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.jr_7B3F
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.positiveY
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pop de ;; 05:7B3F $D1
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cp d ;; 05:7B40 $BA
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jr nc, .jr_7B47 ;; 05:7B41 $30 $04
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jr nc, .vertical ;; 05:7B41 $30 $04
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ldh a, [hMultiPurpose0] ;; 05:7B43 $F0 $D7
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jr jr_005_7B49 ;; 05:7B45 $18 $02
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jr .verticalEnd ;; 05:7B45 $18 $02
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.jr_7B47
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.vertical
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ldh a, [hMultiPurpose1] ;; 05:7B47 $F0 $D8
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jr_005_7B49:
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.verticalEnd
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ld e, a ;; 05:7B49 $5F
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ret ;; 05:7B4A $C9
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@ -228,7 +228,7 @@ func_005_6957::
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ld [hl], a ;; 05:6970 $77
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jr nz, jr_005_6978 ;; 05:6971 $20 $05
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call func_005_7B24 ;; 05:6973 $CD $24 $7B
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call GetEntityDirectionToLink_05 ;; 05:6973 $CD $24 $7B
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jr jr_005_697E ;; 05:6976 $18 $06
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jr_005_6978:
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@ -134,7 +134,7 @@ MarinEntityHandler::
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cp $28 ;; 05:4EC5 $FE $28
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jr nc, .jr_4ED1 ;; 05:4EC7 $30 $08
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call func_005_7B24 ;; 05:4EC9 $CD $24 $7B
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call GetEntityDirectionToLink_05 ;; 05:4EC9 $CD $24 $7B
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ld hl, wEntitiesDirectionTable ;; 05:4ECC $21 $80 $C3
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add hl, bc ;; 05:4ECF $09
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ld [hl], e ;; 05:4ED0 $73
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@ -438,7 +438,7 @@ func_005_5059::
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jp IncrementEntityState ;; 05:5087 $C3 $12 $3B
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.jr_508A
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call func_005_7B24 ;; 05:508A $CD $24 $7B
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call GetEntityDirectionToLink_05 ;; 05:508A $CD $24 $7B
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ld a, e ;; 05:508D $7B
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xor $01 ;; 05:508E $EE $01
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ldh [hLinkDirection], a ;; 05:5090 $E0 $9E
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@ -715,7 +715,7 @@ MarinEntityHandler_Indoor::
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and $1F ;; 05:5239 $E6 $1F
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jr nz, .jr_5245 ;; 05:523B $20 $08
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call func_005_7B24 ;; 05:523D $CD $24 $7B
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call GetEntityDirectionToLink_05 ;; 05:523D $CD $24 $7B
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ld hl, wEntitiesDirectionTable ;; 05:5240 $21 $80 $C3
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add hl, bc ;; 05:5243 $09
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ld [hl], e ;; 05:5244 $73
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@ -35,7 +35,7 @@ EntityRaftOwnerHandler::
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and $1F ;; 05:5366 $E6 $1F
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jr nz, .jr_5372 ;; 05:5368 $20 $08
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call func_005_7B24 ;; 05:536A $CD $24 $7B
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call GetEntityDirectionToLink_05 ;; 05:536A $CD $24 $7B
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ld hl, wEntitiesDirectionTable ;; 05:536D $21 $80 $C3
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add hl, bc ;; 05:5370 $09
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ld [hl], e ;; 05:5371 $73
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@ -369,7 +369,7 @@ ShouldLinkTalkToEntity_05::
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jr z, .bowWowEnd ;; 05:5536 $28 $0C
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push de ;; 05:5538 $D5
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call func_005_7B24 ;; 05:5539 $CD $24 $7B
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call GetEntityDirectionToLink_05 ;; 05:5539 $CD $24 $7B
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ldh a, [hLinkDirection] ;; 05:553C $F0 $9E
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xor $01 ;; 05:553E $EE $01
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cp e ;; 05:5540 $BB
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@ -193,7 +193,7 @@ func_005_4A17::
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xor a ;; 05:4A1B $AF
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ld [wLinkAttackStepAnimationCountdown], a ;; 05:4A1C $EA $9B $C1
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call func_005_7B24 ;; 05:4A1F $CD $24 $7B
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call GetEntityDirectionToLink_05 ;; 05:4A1F $CD $24 $7B
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ld a, e ;; 05:4A22 $7B
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xor $01 ;; 05:4A23 $EE $01
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ldh [hLinkDirection], a ;; 05:4A25 $E0 $9E
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@ -428,7 +428,7 @@ func_005_4B41::
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call label_27DD ;; 05:4B5E $CD $DD $27
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call GetEntityTransitionCountdown ;; 05:4B61 $CD $05 $0C
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ld [hl], $40 ;; 05:4B64 $36 $40
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call func_005_7B24 ;; 05:4B66 $CD $24 $7B
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call GetEntityDirectionToLink_05 ;; 05:4B66 $CD $24 $7B
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add $08 ;; 05:4B69 $C6 $08
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call SetEntitySpriteVariant ;; 05:4B6B $CD $0C $3B
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call GetEntityToLinkPositionDeltaX_05 ;; 05:4B6E $CD $04 $7B
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@ -468,7 +468,7 @@ func_005_4B89::
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and $1F ;; 05:4B9F $E6 $1F
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jr nz, .jr_4BAB ;; 05:4BA1 $20 $08
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call func_005_7B24 ;; 05:4BA3 $CD $24 $7B
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call GetEntityDirectionToLink_05 ;; 05:4BA3 $CD $24 $7B
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add $08 ;; 05:4BA6 $C6 $08
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call SetEntitySpriteVariant ;; 05:4BA8 $CD $0C $3B
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@ -583,7 +583,7 @@ jr_005_4C43:
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and $1F ;; 05:4C48 $E6 $1F
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jr nz, .jr_4C54 ;; 05:4C4A $20 $08
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call func_005_7B24 ;; 05:4C4C $CD $24 $7B
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call GetEntityDirectionToLink_05 ;; 05:4C4C $CD $24 $7B
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ld hl, wEntitiesSpriteVariantTable ;; 05:4C4F $21 $B0 $C3
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add hl, bc ;; 05:4C52 $09
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ld [hl], e ;; 05:4C53 $73
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