Identify SPRITESTATEDATA2_ORIGFACINGDIRECTION

constants/map_object_constants.asm

@@ -29,7 +29,7 @@ SPRITESTATEDATA1_LENGTH EQU const_value
 	const SPRITESTATEDATA2_MOVEMENTBYTE1        ; 6
 	const SPRITESTATEDATA2_GRASSPRIORITY        ; 7
 	const SPRITESTATEDATA2_MOVEMENTDELAY        ; 8
-	const SPRITESTATEDATA2_09                   ; 9
+	const SPRITESTATEDATA2_ORIGFACINGDIRECTION  ; 9
 	const SPRITESTATEDATA2_0A                   ; a
 	const SPRITESTATEDATA2_0B                   ; b
 	const SPRITESTATEDATA2_0C                   ; c

engine/menus/display_text_id_init.asm

@@ -38,17 +38,17 @@ DisplayTextIDInit::
 	jr nz, .skipMovingSprites
 	call UpdateSprites
 .skipMovingSprites
-; loop to copy [x#SPRITESTATEDATA1_FACINGDIRECTION] to [x#SPRITESTATEDATA2_09]
+; loop to copy [x#SPRITESTATEDATA1_FACINGDIRECTION] to
-; for each sprite from x=01 to x=15
+; [x#SPRITESTATEDATA2_ORIGFACINGDIRECTION] for each non-player sprite
 ; this is done because when you talk to an NPC, they turn to look your way
 ; the original direction they were facing must be restored after the dialogue is over
 	ld hl, wSprite01StateData1FacingDirection
 	ld c, $0f
 	ld de, $10
 .spriteFacingDirectionCopyLoop
-	ld a, [hl]
+	ld a, [hl] ; x#SPRITESTATEDATA1_FACINGDIRECTION
 	inc h
-	ld [hl], a
+	ld [hl], a ; [x#SPRITESTATEDATA2_ORIGFACINGDIRECTION]
 	dec h
 	add hl, de
 	dec c

home/text_script.asm

@@ -111,13 +111,13 @@ CloseTextDisplay::
 	xor a
 	ldh [hAutoBGTransferEnabled], a ; disable continuous WRAM to VRAM transfer each V-blank
 ; loop to make sprites face the directions they originally faced before the dialogue
-	ld hl, wSprite01StateData2 + 9 ; should be wSprite01StateData1FacingDirection?
+	ld hl, wSprite01StateData2OrigFacingDirection
 	ld c, $0f
 	ld de, $10
 .restoreSpriteFacingDirectionLoop
-	ld a, [hl]
+	ld a, [hl] ; x#SPRITESTATEDATA2_ORIGFACINGDIRECTION
 	dec h
-	ld [hl], a
+	ld [hl], a ; [x#SPRITESTATEDATA1_FACINGDIRECTION]
 	inc h
 	add hl, de
 	dec c

macros/wram.asm

@@ -88,7 +88,8 @@ spritestatedata2: MACRO
 \1MovementByte1:: db
 \1GrassPriority:: db
 \1MovementDelay:: db
-	ds 4
+\1OrigFacingDirection:: db
+	ds 3
 \1PictureID:: db
 \1ImageBaseOffset:: db
 	ds 1

wram.asm

@@ -206,7 +206,7 @@ wSpriteStateData2::
 ; - 6: movement byte 1 (determines whether a sprite can move, $ff:not moving, $fe:random movements, others unknown)
 ; - 7: (?) (set to $80 when in grass, else $0; may be used to draw grass above the sprite)
 ; - 8: delay until next movement (counted downwards, movement status is set to ready if reached 0)
-; - 9
+; - 9: original facing direction (backed up by DisplayTextIDInit, restored by CloseTextDisplay)
 ; - A
 ; - B
 ; - C