diff options
Diffstat (limited to 'engine/bank3c/overworld.asm')
| -rw-r--r-- | engine/bank3c/overworld.asm | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/engine/bank3c/overworld.asm b/engine/bank3c/overworld.asm deleted file mode 100644 index e02fb129..00000000 --- a/engine/bank3c/overworld.asm +++ /dev/null @@ -1,241 +0,0 @@ -_AdvancePlayerSprite:: ; f010c (3c:410c) - ld a,[wSpriteStateData1 + 3] ; delta Y - ld b,a - ld a,[wSpriteStateData1 + 5] ; delta X - ld c,a - ld hl,wWalkCounter ; walking animation counter - dec [hl] - jr nz,.afterUpdateMapCoords -; if it's the end of the animation, update the player's map coordinates - ld hl, wd430 - res 5, [hl] - ld a,[wYCoord] - add b - ld [wYCoord],a - ld a,[wXCoord] - add c - ld [wXCoord],a -.afterUpdateMapCoords - ld a,[wWalkCounter] ; walking animation counter - cp a,$07 - jp nz,.scrollBackgroundAndSprites -; if this is the first iteration of the animation - ld a,c - cp a,$01 - jr nz,.checkIfMovingWest -; moving east - ld a,[wMapViewVRAMPointer] - ld e,a - and $e0 - ld d,a - ld a,e - add $02 - and $1f - or d - ld [wMapViewVRAMPointer],a - jr .adjustXCoordWithinBlock -.checkIfMovingWest - cp a,$ff - jr nz,.checkIfMovingSouth -; moving west - ld a,[wMapViewVRAMPointer] - ld e,a - and a,$e0 - ld d,a - ld a,e - sub $02 - and $1f - or d - ld [wMapViewVRAMPointer],a - jr .adjustXCoordWithinBlock -.checkIfMovingSouth - ld a,b - cp a,$01 - jr nz,.checkIfMovingNorth -; moving south - ld a,[wMapViewVRAMPointer] - add $40 - ld [wMapViewVRAMPointer],a - jr nc,.adjustXCoordWithinBlock - ld a,[wMapViewVRAMPointer + 1] - inc a - and $03 - or $98 - ld [wMapViewVRAMPointer + 1],a - jr .adjustXCoordWithinBlock -.checkIfMovingNorth - cp a,$ff - jr nz,.adjustXCoordWithinBlock -; moving north - ld a,[wMapViewVRAMPointer] - sub $40 - ld [wMapViewVRAMPointer],a - jr nc,.adjustXCoordWithinBlock - ld a,[wMapViewVRAMPointer + 1] - dec a - and $03 - or $98 - ld [wMapViewVRAMPointer + 1],a -.adjustXCoordWithinBlock - ld a,c - and a - jr z,.pointlessJump ; mistake? -.pointlessJump - ld hl,wXBlockCoord - ld a,[hl] - add c - ld [hl],a - cp $02 - jr nz,.checkForMoveToWestBlock -; moved into the tile block to the east - xor a - ld [hl],a - ld hl,wXOffsetSinceLastSpecialWarp - inc [hl] - ld de,wCurrentTileBlockMapViewPointer - call MoveTileBlockMapPointerEast - jr .updateMapView -.checkForMoveToWestBlock - cp a,$ff - jr nz,.adjustYCoordWithinBlock -; moved into the tile block to the west - ld a,$1 - ld [hl],a - ld hl,wXOffsetSinceLastSpecialWarp - dec [hl] - ld de,wCurrentTileBlockMapViewPointer - call MoveTileBlockMapPointerWest - jr .updateMapView -.adjustYCoordWithinBlock - ld hl,wYBlockCoord - ld a,[hl] - add b - ld [hl],a - cp $2 - jr nz,.checkForMoveToNorthBlock -; moved into the tile block to the south - xor a - ld [hl],a - ld hl,wYOffsetSinceLastSpecialWarp - inc [hl] - ld de,wCurrentTileBlockMapViewPointer - ld a,[wCurMapWidth] - call MoveTileBlockMapPointerSouth - jr .updateMapView -.checkForMoveToNorthBlock - cp a,$ff - jr nz,.updateMapView -; moved into the tile block to the north - ld a,$1 - ld [hl],a - ld hl,wYOffsetSinceLastSpecialWarp - dec [hl] - ld de,wCurrentTileBlockMapViewPointer - ld a,[wCurMapWidth] - call MoveTileBlockMapPointerNorth -.updateMapView - call LoadCurrentMapView - ld a,[wSpriteStateData1 + 3] ; delta Y - cp $1 - jr nz,.checkIfMovingNorth2 -; if moving south - call ScheduleSouthRowRedraw - jr .scrollBackgroundAndSprites -.checkIfMovingNorth2 - cp $ff - jr nz,.checkIfMovingEast2 -; if moving north - call ScheduleNorthRowRedraw - jr .scrollBackgroundAndSprites -.checkIfMovingEast2 - ld a,[wSpriteStateData1 + 5] ; delta X - cp $1 - jr nz,.checkIfMovingWest2 -; if moving east - call ScheduleEastColumnRedraw - jr .scrollBackgroundAndSprites -.checkIfMovingWest2 - cp $ff - jr nz,.scrollBackgroundAndSprites -; if moving west - call ScheduleWestColumnRedraw -.scrollBackgroundAndSprites - ld a,[wSpriteStateData1 + 3] ; delta Y - add a - ld b,a - ld a,[wSpriteStateData1 + 5] ; delta X - add a - ld c,a -; shift all the sprites in the direction opposite of the player's motion -; so that the player appears to move relative to them - ld hl,wSpriteStateData1 + $14 - ld e,15 -.spriteShiftLoop - ld a,[hl] - sub b - ld [hli],a - inc l - ld a,[hl] - sub c - ld [hl],a - ld a,$0e - add l - ld l,a - dec e - jr nz,.spriteShiftLoop -.done - ld a,[hSCY] - add b - ld [hSCY],a ; update background scroll Y - ld a,[hSCX] - add c - ld [hSCX],a ; update background scroll X - ret - -MoveTileBlockMapPointerEast:: ; f0248 (3c:4248) - ld a,[de] - add $1 - ld [de],a - ret nc - inc de - ld a,[de] - inc a - ld [de],a - ret - -MoveTileBlockMapPointerWest:: ; f0252 (3c:4252) - ld a,[de] - sub $1 - ld [de],a - ret nc - inc de - ld a,[de] - dec a - ld [de],a - ret - -MoveTileBlockMapPointerSouth:: ; f025c (3c:425c) - add $6 - ld b,a - ld a,[de] - add b - ld [de],a - ret nc - inc de - ld a,[de] - inc a - ld [de],a - ret - -MoveTileBlockMapPointerNorth:: ; f0268 (3c:4268) - add $6 - ld b,a - ld a,[de] - sub b - ld [de],a - ret nc - inc de - ld a,[de] - dec a - ld [de],a - ret
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