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https://github.com/pret/pokegold-spaceworld.git
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e88fe24e15
This uses catch-all files like main.asm to reduce the total quantity and size of build objects (from 1.1 GB to 70 MB). --------- Co-authored-by: Rangi <35663410+Rangi42@users.noreply.github.com>
64 lines
832 B
NASM
64 lines
832 B
NASM
QueueFollowerFirstStep::
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call .QueueFirstStep
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jr c, .same
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ld [wFollowMovementQueue], a
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xor a
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ld [wFollowerMovementQueueLength], a
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ret
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.same
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ld a, -1
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ld [wFollowerMovementQueueLength], a
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ret
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.QueueFirstStep:
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ld a, [wObjectFollow_Leader]
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call GetObjectStruct
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ld hl, OBJECT_MAP_X
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add hl, bc
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ld d, [hl]
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ld hl, OBJECT_MAP_Y
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add hl, bc
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ld e, [hl]
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ld a, [wObjectFollow_Follower]
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call GetObjectStruct
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ld hl, OBJECT_MAP_X
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add hl, bc
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ld a, d
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cp [hl]
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jr z, .check_y
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jr c, .left
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and a
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ld a, movement_step + RIGHT
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ret
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.left
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and a
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ld a, movement_step + LEFT
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ret
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.check_y
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ld hl, OBJECT_MAP_Y
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add hl, bc
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ld a, e
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cp [hl]
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jr z, .same_xy
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jr c, .up
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and a
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ld a, movement_step + DOWN
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ret
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.up
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and a
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ld a, movement_step + UP
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ret
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.same_xy
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scf
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ret
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; a = d * sin(e * pi/32)
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_Sine::
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ld a, e
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calc_sine_wave
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