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Replace some hard-coded values with constants

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This commit is contained in:
Rangi 2019-07-07 00:44:21 -04:00
parent 725b86ebbe
commit f99a715fae
18 changed files with 37 additions and 30 deletions
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16
engine/overworld/movement.asm
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@ -1,3 +1,5 @@
MAP_TILESET_SIZE EQU $60
UpdatePlayerSprite:
ld a, [wSpriteStateData2]
and a
@ -13,7 +15,7 @@ UpdatePlayerSprite:
.checkIfTextBoxInFrontOfSprite
aCoord 8, 9
ld [hTilePlayerStandingOn], a
cp $60
cp MAP_TILESET_SIZE
jr c, .lowerLeftTileIsMapTile
.disableSprite
ld a, $ff
@ -127,7 +129,7 @@ UpdateNPCSprite:
and a
jp z, InitializeSpriteStatus
call CheckSpriteAvailability
ret c ; if sprite is invisible, on tile >=$60, in grass or player is currently walking
ret c ; if sprite is invisible, on tile >=MAP_TILESET_SIZE, in grass or player is currently walking
ld h, $c1
ld a, [H_CURRENTSPRITEOFFSET]
ld l, a
@ -508,21 +510,21 @@ CheckSpriteAvailability:
; make the sprite invisible if a text box is in front of it
; $5F is the maximum number for map tiles
call GetTileSpriteStandsOn
ld d, $60
ld d, MAP_TILESET_SIZE
ld a, [hli]
cp d
jr nc, .spriteInvisible ; standing on tile with ID >=$60 (bottom left tile)
jr nc, .spriteInvisible ; standing on tile with ID >=MAP_TILESET_SIZE (bottom left tile)
ld a, [hld]
cp d
jr nc, .spriteInvisible ; standing on tile with ID >=$60 (bottom right tile)
jr nc, .spriteInvisible ; standing on tile with ID >=MAP_TILESET_SIZE (bottom right tile)
ld bc, -20
add hl, bc ; go back one row of tiles
ld a, [hli]
cp d
jr nc, .spriteInvisible ; standing on tile with ID >=$60 (top left tile)
jr nc, .spriteInvisible ; standing on tile with ID >=MAP_TILESET_SIZE (top left tile)
ld a, [hl]
cp d
jr c, .spriteVisible ; standing on tile with ID >=$60 (top right tile)
jr c, .spriteVisible ; standing on tile with ID >=MAP_TILESET_SIZE (top right tile)
.spriteInvisible
ld h, wSpriteStateData1 / $100
ld a, [H_CURRENTSPRITEOFFSET]