diff options
Diffstat (limited to 'engine/overworld/cut.asm')
| -rwxr-xr-x | engine/overworld/cut.asm | 201 |
1 files changed, 103 insertions, 98 deletions
diff --git a/engine/overworld/cut.asm b/engine/overworld/cut.asm index 7b92bca3..f6ae6468 100755 --- a/engine/overworld/cut.asm +++ b/engine/overworld/cut.asm @@ -1,43 +1,43 @@ -UsedCut: ; ef54 (3:6f54) +UsedCut: xor a - ld [wcd6a], a - ld a, [W_CURMAPTILESET] ; W_CURMAPTILESET + ld [wActionResultOrTookBattleTurn], a ; initialise to failure value + ld a, [wCurMapTileset] and a ; OVERWORLD - jr z, .asm_ef6b + jr z, .overworld cp GYM - jr nz, .asm_ef77 + jr nz, .nothingToCut ld a, [wTileInFrontOfPlayer] cp $50 ; gym cut tree - jr nz, .asm_ef77 - jr asm_ef82 -.asm_ef6b + jr nz, .nothingToCut + jr .canCut +.overworld dec a ld a, [wTileInFrontOfPlayer] cp $3d ; cut tree - jr z, asm_ef82 + jr z, .canCut cp $52 ; grass - jr z, asm_ef82 -.asm_ef77 - ld hl, NothingToCutText + jr z, .canCut +.nothingToCut + ld hl, .NothingToCutText jp PrintText -NothingToCutText: ; ef7d (3:6f7d) +.NothingToCutText TX_FAR _NothingToCutText db "@" -asm_ef82: ; ef82 (3:6f82) - ld [wcd4d], a - ld a, $1 - ld [wcd6a], a - ld a, [wWhichPokemon] ; wWhichPokemon - ld hl, wPartyMonNicks ; wPartyMonNicks +.canCut + ld [wCutTile], a + ld a, 1 + ld [wActionResultOrTookBattleTurn], a ; used cut + ld a, [wWhichPokemon] + ld hl, wPartyMonNicks call GetPartyMonName ld hl, wd730 set 6, [hl] call GBPalWhiteOutWithDelay3 call ClearSprites call RestoreScreenTilesAndReloadTilePatterns - ld a, $90 + ld a, SCREEN_HEIGHT_PIXELS ld [hWY], a call Delay3 call LoadGBPal @@ -53,79 +53,80 @@ asm_ef82: ; ef82 (3:6f82) res 6, [hl] ld a, $ff ld [wUpdateSpritesEnabled], a - call AnimateCutTree - ld de, CutTreeBlockSwaps ; $7100 - call Func_f09f + call InitCutAnimOAM + ld de, CutTreeBlockSwaps + call ReplaceTreeTileBlock call RedrawMapView - callba Func_79e96 + callba AnimCut ld a, $1 ld [wUpdateSpritesEnabled], a - ld a, (SFX_02_56 - SFX_Headers_02) / 3 + ld a, SFX_CUT call PlaySound ld a, $90 ld [hWY], a call UpdateSprites jp RedrawMapView -UsedCutText: ; eff2 (3:6ff2) +UsedCutText: TX_FAR _UsedCutText db "@" -AnimateCutTree: ; eff7 (3:6ff7) +InitCutAnimOAM: xor a - ld [wcd50], a - ld a, $e4 - ld [rOBP1], a ; $ff49 - ld a, [wcd4d] + ld [wWhichAnimationOffsets], a + ld a, %11100100 + ld [rOBP1], a + ld a, [wCutTile] cp $52 - jr z, .asm_f020 - ld de, Overworld_GFX + $2d0 ; $42d0 ; cuttable tree sprite top row + jr z, .grass +; tree + ld de, Overworld_GFX + $2d0 ; cuttable tree sprite top row ld hl, vChars1 + $7c0 - ld bc, (BANK(Overworld_GFX) << 8) + $02 + lb bc, BANK(Overworld_GFX), $02 call CopyVideoData - ld de, Overworld_GFX + $3d0 ; $43d0 ; cuttable tree sprite bottom row + ld de, Overworld_GFX + $3d0 ; cuttable tree sprite bottom row ld hl, vChars1 + $7e0 - ld bc, (BANK(Overworld_GFX) << 8) + $02 + lb bc, BANK(Overworld_GFX), $02 call CopyVideoData - jr WriteCutTreeBoulderDustAnimationOAMBlock -.asm_f020 + jr WriteCutOrBoulderDustAnimationOAMBlock +.grass ld hl, vChars1 + $7c0 - call LoadCutTreeAnimationTilePattern + call LoadCutGrassAnimationTilePattern ld hl, vChars1 + $7d0 - call LoadCutTreeAnimationTilePattern + call LoadCutGrassAnimationTilePattern ld hl, vChars1 + $7e0 - call LoadCutTreeAnimationTilePattern + call LoadCutGrassAnimationTilePattern ld hl, vChars1 + $7f0 - call LoadCutTreeAnimationTilePattern - call WriteCutTreeBoulderDustAnimationOAMBlock + call LoadCutGrassAnimationTilePattern + call WriteCutOrBoulderDustAnimationOAMBlock ld hl, wOAMBuffer + $93 - ld de, $4 + ld de, 4 ld a, $30 ld c, e -.asm_f044 +.loop ld [hl], a add hl, de xor $60 dec c - jr nz, .asm_f044 + jr nz, .loop ret -LoadCutTreeAnimationTilePattern: ; f04c (3:704c) - ld de, AnimationTileset2 + $60 ; $474e ; tile depicting a leaf - ld bc, (BANK(AnimationTileset2) << 8) + $01 +LoadCutGrassAnimationTilePattern: + ld de, AnimationTileset2 + $60 ; tile depicting a leaf + lb bc, BANK(AnimationTileset2), $01 jp CopyVideoData -WriteCutTreeBoulderDustAnimationOAMBlock: ; f055 (3:7055) - call GetCutTreeBoulderDustAnimationOffsets +WriteCutOrBoulderDustAnimationOAMBlock: + call GetCutOrBoulderDustAnimationOffsets ld a, $9 - ld de, CutTreeBoulderDustAnimationTilesAndAttributes + ld de, CutOrBoulderDustAnimationTilesAndAttributes jp WriteOAMBlock -CutTreeBoulderDustAnimationTilesAndAttributes: ; f060 (3:7060) +CutOrBoulderDustAnimationTilesAndAttributes: db $FC,$10,$FD,$10 db $FE,$10,$FF,$10 -GetCutTreeBoulderDustAnimationOffsets: ; f068 (3:7068) +GetCutOrBoulderDustAnimationOffsets: ld hl, wSpriteStateData1 + 4 ld a, [hli] ; player's sprite screen Y position ld b, a @@ -138,12 +139,12 @@ GetCutTreeBoulderDustAnimationOffsets: ; f068 (3:7068) srl a ld e, a ld d, $0 ; de holds direction (00: down, 02: up, 04: left, 06: right) - ld a, [wcd50] + ld a, [wWhichAnimationOffsets] and a - ld hl, CutTreeAnimationOffsets - jr z, .asm_f084 + ld hl, CutAnimationOffsets + jr z, .next ld hl, BoulderDustAnimationOffsets -.asm_f084 +.next add hl, de ld e, [hl] inc hl @@ -156,14 +157,14 @@ GetCutTreeBoulderDustAnimationOffsets: ; f068 (3:7068) ld c, a ret -CutTreeAnimationOffsets: ; f08f (3:708f) +CutAnimationOffsets: ; Each pair represents the x and y pixels offsets from the player of where the cut tree animation should be drawn db 8, 36 ; player is facing down db 8, 4 ; player is facing up db -8, 20 ; player is facing left db 24, 20 ; player is facing right -BoulderDustAnimationOffsets: ; f097 (3:7097) +BoulderDustAnimationOffsets: ; Each pair represents the x and y pixels offsets from the player of where the cut tree animation should be drawn ; These offsets represent 2 blocks away from the player db 8, 52 ; player is facing down @@ -171,79 +172,83 @@ BoulderDustAnimationOffsets: ; f097 (3:7097) db -24, 20 ; player is facing left db 40, 20 ; player is facing right -Func_f09f: ; f09f (3:709f) +ReplaceTreeTileBlock: +; Determine the address of the tile block that contains the tile in front of the +; player (i.e. where the tree is) and replace it with the corresponding tile +; block that doesn't have the tree. push de - ld a, [W_CURMAPWIDTH] ; wd369 - add $6 + ld a, [wCurMapWidth] + add 6 ld c, a - ld b, $0 - ld d, $0 + ld b, 0 + ld d, 0 ld hl, wCurrentTileBlockMapViewPointer ld a, [hli] ld h, [hl] ld l, a add hl, bc - ld a, [wSpriteStateData1 + 9] + ld a, [wSpriteStateData1 + 9] ; player sprite's facing direction and a - jr z, .asm_f0c7 - cp $4 - jr z, .asm_f0cf - cp $8 - jr z, .asm_f0d7 - ld a, [W_XBLOCKCOORD] ; wd364 + jr z, .down + cp SPRITE_FACING_UP + jr z, .up + cp SPRITE_FACING_LEFT + jr z, .left +; right + ld a, [wXBlockCoord] and a - jr z, .asm_f0e0 - jr .asm_f0ec -.asm_f0c7 - ld a, [W_YBLOCKCOORD] ; wd363 + jr z, .centerTileBlock + jr .rightOfCenter +.down + ld a, [wYBlockCoord] and a - jr z, .asm_f0e0 - jr .asm_f0df -.asm_f0cf - ld a, [W_YBLOCKCOORD] ; wd363 + jr z, .centerTileBlock + jr .belowCenter +.up + ld a, [wYBlockCoord] and a - jr z, .asm_f0e1 - jr .asm_f0e0 -.asm_f0d7 - ld a, [W_XBLOCKCOORD] ; wd364 + jr z, .aboveCenter + jr .centerTileBlock +.left + ld a, [wXBlockCoord] and a - jr z, .asm_f0e6 - jr .asm_f0e0 -.asm_f0df + jr z, .leftOfCenter + jr .centerTileBlock +.belowCenter add hl, bc -.asm_f0e0 +.centerTileBlock add hl, bc -.asm_f0e1 +.aboveCenter ld e, $2 add hl, de - jr .asm_f0f0 -.asm_f0e6 + jr .next +.leftOfCenter ld e, $1 add hl, bc add hl, de - jr .asm_f0f0 -.asm_f0ec + jr .next +.rightOfCenter ld e, $3 add hl, bc add hl, de -.asm_f0f0 +.next pop de ld a, [hl] ld c, a -.asm_f0f3 +.loop ; find the matching tile block in the array ld a, [de] inc de inc de cp $ff ret z cp c - jr nz, .asm_f0f3 + jr nz, .loop dec de - ld a, [de] + ld a, [de] ; replacement tile block from matching array entry ld [hl], a ret -CutTreeBlockSwaps: ; f100 (3:7100) +CutTreeBlockSwaps: ; first byte = tileset block containing the cut tree ; second byte = corresponding tileset block after the cut animation happens db $32, $6D |