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Identify SPRITESTATEDATA2_ORIGFACINGDIRECTION
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commit
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5 changed files with 11 additions and 10 deletions
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@ -29,7 +29,7 @@ SPRITESTATEDATA1_LENGTH EQU const_value
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const SPRITESTATEDATA2_MOVEMENTBYTE1 ; 6
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const SPRITESTATEDATA2_GRASSPRIORITY ; 7
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const SPRITESTATEDATA2_MOVEMENTDELAY ; 8
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const SPRITESTATEDATA2_09 ; 9
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const SPRITESTATEDATA2_ORIGFACINGDIRECTION ; 9
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const SPRITESTATEDATA2_0A ; a
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const SPRITESTATEDATA2_0B ; b
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const SPRITESTATEDATA2_0C ; c
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@ -38,17 +38,17 @@ DisplayTextIDInit::
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jr nz, .skipMovingSprites
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call UpdateSprites
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.skipMovingSprites
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; loop to copy [x#SPRITESTATEDATA1_FACINGDIRECTION] to [x#SPRITESTATEDATA2_09]
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; for each sprite from x=01 to x=15
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; loop to copy [x#SPRITESTATEDATA1_FACINGDIRECTION] to
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; [x#SPRITESTATEDATA2_ORIGFACINGDIRECTION] for each non-player sprite
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; this is done because when you talk to an NPC, they turn to look your way
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; the original direction they were facing must be restored after the dialogue is over
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ld hl, wSprite01StateData1FacingDirection
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ld c, $0f
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ld de, $10
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.spriteFacingDirectionCopyLoop
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ld a, [hl]
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ld a, [hl] ; x#SPRITESTATEDATA1_FACINGDIRECTION
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inc h
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ld [hl], a
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ld [hl], a ; [x#SPRITESTATEDATA2_ORIGFACINGDIRECTION]
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dec h
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add hl, de
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dec c
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@ -111,13 +111,13 @@ CloseTextDisplay::
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xor a
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ldh [hAutoBGTransferEnabled], a ; disable continuous WRAM to VRAM transfer each V-blank
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; loop to make sprites face the directions they originally faced before the dialogue
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ld hl, wSprite01StateData2 + 9 ; should be wSprite01StateData1FacingDirection?
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ld hl, wSprite01StateData2OrigFacingDirection
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ld c, $0f
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ld de, $10
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.restoreSpriteFacingDirectionLoop
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ld a, [hl]
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ld a, [hl] ; x#SPRITESTATEDATA2_ORIGFACINGDIRECTION
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dec h
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ld [hl], a
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ld [hl], a ; [x#SPRITESTATEDATA1_FACINGDIRECTION]
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inc h
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add hl, de
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dec c
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@ -88,7 +88,8 @@ spritestatedata2: MACRO
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\1MovementByte1:: db
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\1GrassPriority:: db
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\1MovementDelay:: db
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ds 4
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\1OrigFacingDirection:: db
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ds 3
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\1PictureID:: db
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\1ImageBaseOffset:: db
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ds 1
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2
wram.asm
2
wram.asm
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@ -206,7 +206,7 @@ wSpriteStateData2::
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; - 6: movement byte 1 (determines whether a sprite can move, $ff:not moving, $fe:random movements, others unknown)
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; - 7: (?) (set to $80 when in grass, else $0; may be used to draw grass above the sprite)
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; - 8: delay until next movement (counted downwards, movement status is set to ready if reached 0)
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; - 9
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; - 9: original facing direction (backed up by DisplayTextIDInit, restored by CloseTextDisplay)
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; - A
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; - B
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; - C
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