pokecrystal-board/engine/overworld/map_object_action.asm

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ObjectActionPairPointers: ; 445f
; entries correspond to OBJECT_ACTION_* constants
dw SetFacingStanding, SetFacingStanding
dw SetFacingStandAction, SetFacingCurrent
dw SetFacingStepAction, SetFacingCurrent
dw SetFacingBumpAction, SetFacingCurrent
dw SetFacingCounterclockwiseSpin, SetFacingCurrent
dw SetFacingCounterclockwiseSpin2, SetFacingStanding
dw SetFacingFish, SetFacingFish
dw SetFacingShadow, SetFacingStanding
dw SetFacingEmote, SetFacingEmote
dw SetFacingBigDollSym, SetFacingBigDollSym
dw SetFacingBounce, SetFacingFreezeBounce
dw SetFacingWeirdTree, SetFacingCurrent
dw SetFacingBigDollAsym, SetFacingBigDollAsym
dw SetFacingBigDoll, SetFacingBigDoll
dw SetFacingBoulderDust, SetFacingStanding
dw SetFacingGrassShake, SetFacingStanding
dw SetFacingSkyfall, SetFacingCurrent
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; 44a3
SetFacingStanding: ; 44a3
ld hl, OBJECT_FACING_STEP
add hl, bc
ld [hl], STANDING
ret
; 44aa
SetFacingCurrent: ; 44aa
call GetSpriteDirection
or FACING_STEP_DOWN_0 ; useless
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ld hl, OBJECT_FACING_STEP
add hl, bc
ld [hl], a
ret
; 44b5
SetFacingStandAction: ; 44b5
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ld hl, OBJECT_FACING_STEP
add hl, bc
ld a, [hl]
and 1
jr nz, SetFacingStepAction
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jp SetFacingCurrent
; 44c1
SetFacingStepAction: ; 44c1
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ld hl, OBJECT_FLAGS1
add hl, bc
bit SLIDING_F, [hl]
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jp nz, SetFacingCurrent
ld hl, OBJECT_STEP_FRAME
add hl, bc
ld a, [hl]
inc a
and %00001111
ld [hl], a
rrca
rrca
maskbits NUM_DIRECTIONS
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ld d, a
call GetSpriteDirection
or FACING_STEP_DOWN_0 ; useless
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or d
ld hl, OBJECT_FACING_STEP
add hl, bc
ld [hl], a
ret
; 44e4
SetFacingSkyfall: ; 44e4
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ld hl, OBJECT_FLAGS1
add hl, bc
bit SLIDING_F, [hl]
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jp nz, SetFacingCurrent
ld hl, OBJECT_STEP_FRAME
add hl, bc
ld a, [hl]
add 2
and %00001111
ld [hl], a
rrca
rrca
maskbits NUM_DIRECTIONS
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ld d, a
call GetSpriteDirection
or FACING_STEP_DOWN_0 ; useless
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or d
ld hl, OBJECT_FACING_STEP
add hl, bc
ld [hl], a
ret
; 4508
SetFacingBumpAction: ; 4508
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ld hl, OBJECT_FLAGS1
add hl, bc
bit SLIDING_F, [hl]
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jp nz, SetFacingCurrent
ld hl, OBJECT_STEP_FRAME
add hl, bc
inc [hl]
ld a, [hl]
rrca
rrca
rrca
maskbits NUM_DIRECTIONS
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ld d, a
call GetSpriteDirection
or FACING_STEP_DOWN_0 ; useless
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or d
ld hl, OBJECT_FACING_STEP
add hl, bc
ld [hl], a
ret
; 4529
SetFacingCounterclockwiseSpin: ; 4529
call CounterclockwiseSpinAction
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ld hl, OBJECT_FACING
add hl, bc
ld a, [hl]
or FACING_STEP_DOWN_0 ; useless
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ld hl, OBJECT_FACING_STEP
add hl, bc
ld [hl], a
ret
; 4539
SetFacingCounterclockwiseSpin2: ; 4539
call CounterclockwiseSpinAction
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jp SetFacingStanding
; 453f
CounterclockwiseSpinAction: ; 453f
; Here, OBJECT_STEP_FRAME consists of two 2-bit components,
; using only bits 0,1 and 4,5.
; bits 0,1 is a timer (4 overworld frames)
; bits 4,5 determines the facing - the direction is counterclockwise.
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ld hl, OBJECT_STEP_FRAME
add hl, bc
ld a, [hl]
and %11110000
ld e, a
ld a, [hl]
inc a
and %00001111
ld d, a
cp 4
jr c, .ok
ld d, 0
ld a, e
add $10
and %00110000
ld e, a
.ok
ld a, d
or e
ld [hl], a
swap e
ld d, 0
ld hl, .Directions
add hl, de
ld a, [hl]
ld hl, OBJECT_FACING
add hl, bc
ld [hl], a
ret
; 456a
.Directions: ; 456a
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db OW_DOWN, OW_RIGHT, OW_UP, OW_LEFT
; 456e
SetFacingFish: ; 456e
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call GetSpriteDirection
rrca
rrca
add FACING_FISH_DOWN
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ld hl, OBJECT_FACING_STEP
add hl, bc
ld [hl], a
ret
; 457b
SetFacingShadow: ; 457b
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ld hl, OBJECT_FACING_STEP
add hl, bc
ld [hl], FACING_SHADOW
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ret
; 4582
SetFacingEmote: ; 4582 emote
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ld hl, OBJECT_FACING_STEP
add hl, bc
ld [hl], FACING_EMOTE
ret
; 4589
SetFacingBigDollSym: ; 4589
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ld hl, OBJECT_FACING_STEP
add hl, bc
ld [hl], FACING_BIG_DOLL_SYM
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ret
; 4590
SetFacingBounce: ; 4590
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ld hl, OBJECT_STEP_FRAME
add hl, bc
ld a, [hl]
inc a
and %00001111
ld [hl], a
and %00001000
jr z, SetFacingFreezeBounce
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ld hl, OBJECT_FACING_STEP
add hl, bc
ld [hl], FACING_STEP_UP_0
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ret
; 45a4
SetFacingFreezeBounce: ; 45a4
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ld hl, OBJECT_FACING_STEP
add hl, bc
ld [hl], FACING_STEP_DOWN_0
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ret
; 45ab
SetFacingWeirdTree: ; 45ab
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ld hl, OBJECT_STEP_FRAME
add hl, bc
ld a, [hl]
inc a
ld [hl], a
maskbits NUM_DIRECTIONS, 2
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rrca
rrca
add FACING_WEIRD_TREE_0
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ld hl, OBJECT_FACING_STEP
add hl, bc
ld [hl], a
ret
; 45be
SetFacingBigDollAsym: ; 45be
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ld hl, OBJECT_FACING_STEP
add hl, bc
ld [hl], FACING_BIG_DOLL_ASYM
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ret
; 45c5
SetFacingBigDoll: ; 45c5
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ld a, [wVariableSprites + SPRITE_BIG_DOLL - SPRITE_VARS]
ld d, FACING_BIG_DOLL_SYM ; symmetric
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cp SPRITE_BIG_SNORLAX
jr z, .ok
cp SPRITE_BIG_LAPRAS
jr z, .ok
ld d, FACING_BIG_DOLL_ASYM ; asymmetric
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.ok
ld hl, OBJECT_FACING_STEP
add hl, bc
ld [hl], d
ret
; 45da
SetFacingBoulderDust: ; 45da
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ld hl, OBJECT_STEP_FRAME
add hl, bc
inc [hl]
ld a, [hl]
ld hl, OBJECT_FACING_STEP
add hl, bc
and 2
ld a, FACING_BOULDER_DUST_1
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jr z, .ok
inc a ; FACING_BOULDER_DUST_2
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.ok
ld [hl], a
ret
; 45ed
SetFacingGrassShake: ; 45ed
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ld hl, OBJECT_STEP_FRAME
add hl, bc
inc [hl]
ld a, [hl]
ld hl, OBJECT_FACING_STEP
add hl, bc
and 4
ld a, FACING_GRASS_1
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jr z, .ok
inc a ; FACING_GRASS_2
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.ok
ld [hl], a
ret
; 4600