diff options
Diffstat (limited to 'yellow/main.asm')
| -rwxr-xr-x | yellow/main.asm | 2293 |
1 files changed, 20 insertions, 2273 deletions
diff --git a/yellow/main.asm b/yellow/main.asm index 2a3f743e..e3602d65 100755 --- a/yellow/main.asm +++ b/yellow/main.asm @@ -71,2292 +71,39 @@ SECTION "bank03",ROMX,BANK[$03] INCLUDE "engine/joypad.asm" -ClearVariablesAfterLoadingMapData: ; c07c (3:407c) - ld a, $90 - ld [hWY], a - ld [rWY], a - xor a - ld [H_AUTOBGTRANSFERENABLED], a - ld [wStepCounter], a - ld [wLoneAttackNo], a ; wGymLeaderNo - ld [hJoyPressed], a - ld [hJoyReleased], a - ld [hJoyHeld], a - ld [wActionResultOrTookBattleTurn], a - ld [wUnusedD5A3], a - ld hl, wCardKeyDoorY - ld [hli], a - ld [hl], a - ld hl, wWhichTrade - ld bc, $1e - call FillMemory - ret - -; only used for setting bit 2 of wd736 upon entering a new map -IsPlayerStandingOnWarp: ; c0a6 (3:40a6) - ld a, [wNumberOfWarps] - and a - ret z - ld c, a - ld hl, wWarpEntries -.loop - ld a, [wYCoord] - cp [hl] - jr nz, .nextWarp1 - inc hl - ld a, [wXCoord] - cp [hl] - jr nz, .nextWarp2 - inc hl - ld a, [hli] ; target warp - ld [wDestinationWarpID], a - ld a, [hl] ; target map - ld [$ff8b], a - ld hl, wd736 - set 2, [hl] ; standing on warp flag - ret -.nextWarp1 - inc hl -.nextWarp2 - inc hl - inc hl - inc hl - dec c - jr nz, .loop - ret - -CheckForceBikeOrSurf: ; c0d2 (3:40d2) - ld hl, wd732 - bit 5, [hl] - ret nz - ld hl, ForcedBikeOrSurfMaps - ld a, [wYCoord] - ld b, a - ld a, [wXCoord] - ld c, a - ld a, [wCurMap] - ld d, a -.loop - ld a, [hli] - cp $ff - ret z ;if we reach FF then it's not part of the list - cp d ;compare to current map - jr nz, .incorrectMap - ld a, [hli] - cp b ;compare y-coord - jr nz, .incorrectY - ld a, [hli] - cp c ;compare x-coord - jr nz, .loop ; incorrect x-coord, check next item - ld a, [wCurMap] - cp SEAFOAM_ISLANDS_4 - ld a, $2 - ld [wSeafoamIslands4CurScript], a - jr z, .forceSurfing - ld a, [wCurMap] - cp SEAFOAM_ISLANDS_5 - ld a, $2 - ld [wSeafoamIslands5CurScript], a - jr z, .forceSurfing - ;force bike riding - ld hl, wd732 - set 5, [hl] - ld a, $1 - ld [wWalkBikeSurfState], a - ld [wWalkBikeSurfStateCopy], a - call ForceBikeOrSurf - ret -.incorrectMap - inc hl -.incorrectY - inc hl - jr .loop -.forceSurfing - ld a, $2 - ld [wWalkBikeSurfState], a - ld [wWalkBikeSurfStateCopy], a - call ForceBikeOrSurf - ret - -INCLUDE "data/force_bike_surf.asm" - -IsPlayerFacingEdgeOfMap: ; c148 (3:4148) - push hl - push de - push bc - ld a, [wSpriteStateData1 + 9] ; player sprite's facing direction - srl a - ld c, a - ld b, $0 - ld hl, .functionPointerTable - add hl, bc - ld a, [hli] - ld h, [hl] - ld l, a - ld a, [wYCoord] - ld b, a - ld a, [wXCoord] - ld c, a - ld de, .returnaddress - push de - jp [hl] -.returnaddress - pop bc - pop de - pop hl - ret - -.functionPointerTable - dw .facingDown - dw .facingUp - dw .facingLeft - dw .facingRight - -.facingDown - ld a, [wCurMapHeight] - add a - dec a - cp b - jr z, .setCarry - jr .resetCarry - -.facingUp - ld a, b - and a - jr z, .setCarry - jr .resetCarry - -.facingLeft - ld a, c - and a - jr z, .setCarry - jr .resetCarry - -.facingRight - ld a, [wCurMapWidth] - add a - dec a - cp c - jr z, .setCarry - jr .resetCarry -.resetCarry - and a - ret -.setCarry - scf - ret - -IsWarpTileInFrontOfPlayer: ; c197 (3:4197) - push hl - push de - push bc - call _GetTileAndCoordsInFrontOfPlayer - ld a, [wCurMap] - cp SS_ANNE_5 - jr z, .ssAnne5 - ld a, [wSpriteStateData1 + 9] ; player sprite's facing direction - srl a - ld c, a - ld b, 0 - ld hl, .warpTileListPointers - add hl, bc - ld a, [hli] - ld h, [hl] - ld l, a - ld a, [wTileInFrontOfPlayer] - ld de, $1 - call IsInArray -.done - pop bc - pop de - pop hl - ret - -.warpTileListPointers: ; c1c0 (3:41c0) - dw .facingDownWarpTiles - dw .facingUpWarpTiles - dw .facingLeftWarpTiles - dw .facingRightWarpTiles - -.facingDownWarpTiles - db $01,$12,$17,$3D,$04,$18,$33,$FF - -.facingUpWarpTiles - db $01,$5C,$FF - -.facingLeftWarpTiles - db $1A,$4B,$FF - -.facingRightWarpTiles - db $0F,$4E,$FF - -.ssAnne5 - ld a, [wTileInFrontOfPlayer] - cp $15 - jr nz, .notSSAnne5Warp - scf - jr .done -.notSSAnne5Warp - and a - jr .done - -IsPlayerStandingOnDoorTileOrWarpTile: ; c1e6 (3:41e6) - push hl - push de - push bc - callba IsPlayerStandingOnDoorTile ; 6:6785 - jr c, .done - ld a, [wCurMapTileset] - add a - ld c, a - ld b, $0 - ld hl, WarpTileIDPointers - add hl, bc - ld a, [hli] - ld h, [hl] - ld l, a - ld de, $1 - aCoord 8, 9 - call IsInArray - jr nc, .done - ld hl, wd736 - res 2, [hl] -.done - pop bc - pop de - pop hl - ret - -INCLUDE "data/warp_tile_ids.asm" - -PrintSafariZoneSteps: ; c27b (3:427b) - ld a, [wCurMap] - cp SAFARI_ZONE_EAST - ret c - cp UNKNOWN_DUNGEON_2 - ret nc - coord hl, 0, 0 - lb bc, 3, 7 - call TextBoxBorder - coord hl, 1, 1 - ld de, wSafariSteps - lb bc, 2, 3 - call PrintNumber - coord hl, 4, 1 - ld de, SafariSteps - call PlaceString - coord hl, 1, 3 - ld de, SafariBallText - call PlaceString - ld a, [wNumSafariBalls] - cp 10 - jr nc, .numSafariBallsTwoDigits - coord hl, 5, 3 - ld a, " " - ld [hl], a -.numSafariBallsTwoDigits - coord hl, 6, 3 - ld de, wNumSafariBalls - lb bc, 1, 2 - jp PrintNumber - -SafariSteps: ; c2c4 (3:42c4) - db "/500@" - -SafariBallText: ; c5c9 (3:42c9) - db "BALL×× @" - -GetTileAndCoordsInFrontOfPlayer: ; c2d4 (3:42d1) - call GetPredefRegisters - -_GetTileAndCoordsInFrontOfPlayer: ; c2d4 (3:42d4) - ld a, [wYCoord] - ld d, a - ld a, [wXCoord] - ld e, a - ld a, [wSpriteStateData1 + 9] ; player's sprite facing direction - and a ; cp SPRITE_FACING_DOWN - jr nz, .notFacingDown -; facing down - aCoord 8, 11 - inc d - jr .storeTile -.notFacingDown - cp SPRITE_FACING_UP - jr nz, .notFacingUp -; facing up - aCoord 8, 7 - dec d - jr .storeTile -.notFacingUp - cp SPRITE_FACING_LEFT - jr nz, .notFacingLeft -; facing left - aCoord 6, 9 - dec e - jr .storeTile -.notFacingLeft - cp SPRITE_FACING_RIGHT - jr nz, .storeTile -; facing right - aCoord 10, 9 - inc e -.storeTile - ld c, a - ld [wTileInFrontOfPlayer], a - ret - -GetTileTwoStepsInFrontOfPlayer: ; c309 (3:4309) - xor a - ld [$ffdb], a - ld hl, wYCoord - ld a, [hli] - ld d, a - ld e, [hl] - ld a, [wSpriteStateData1 + 9] ; player's sprite facing direction - and a ; cp SPRITE_FACING_DOWN - jr nz, .notFacingDown -; facing down - ld hl, $ffdb - set 0, [hl] - aCoord 8, 13 - inc d - jr .storeTile -.notFacingDown - cp SPRITE_FACING_UP - jr nz, .notFacingUp -; facing up - ld hl, $ffdb - set 1, [hl] - aCoord 8, 5 - dec d - jr .storeTile -.notFacingUp - cp SPRITE_FACING_LEFT - jr nz, .notFacingLeft -; facing left - ld hl, $ffdb - set 2, [hl] - aCoord 4, 9 - dec e - jr .storeTile -.notFacingLeft - cp SPRITE_FACING_RIGHT - jr nz, .storeTile -; facing right - ld hl, $ffdb - set 3, [hl] - aCoord 12, 9 - inc e -.storeTile - ld c, a - ld [wTileInFrontOfBoulderAndBoulderCollisionResult], a - ld [wTileInFrontOfPlayer], a - ret - -CheckForCollisionWhenPushingBoulder: ; c356 (3:4356) - call GetTileTwoStepsInFrontOfPlayer - call IsTilePassable - jr c, .done - ld hl, TilePairCollisionsLand - call CheckForTilePairCollisions2 - ld a, $ff - jr c, .done ; if there is an elevation difference between the current tile and the one two steps ahead - ld a, [wTileInFrontOfBoulderAndBoulderCollisionResult] - cp $15 ; stairs tile - ld a, $ff - jr z, .done ; if the tile two steps ahead is stairs - call CheckForBoulderCollisionWithSprites -.done - ld [wTileInFrontOfBoulderAndBoulderCollisionResult], a - ret - -; sets a to $ff if there is a collision and $00 if there is no collision -CheckForBoulderCollisionWithSprites: ; c378 (3:4378) - ld a, [wBoulderSpriteIndex] - dec a - swap a - ld d, 0 - ld e, a - ld hl, wSpriteStateData2 + $14 - add hl, de - ld a, [hli] ; map Y position - ld [$ffdc], a - ld a, [hl] ; map X position - ld [$ffdd], a - ld a, [wNumSprites] - ld c, a - ld de, $f - ld hl, wSpriteStateData2 + $14 - ld a, [$ffdb] - and $3 ; facing up or down? - jr z, .pushingHorizontallyLoop -.pushingVerticallyLoop - inc hl - ld a, [$ffdd] - cp [hl] - jr nz, .nextSprite1 ; if X coordinates don't match - dec hl - ld a, [hli] - ld b, a - ld a, [$ffdb] - rrca - jr c, .pushingDown -; pushing up - ld a, [$ffdc] - dec a - jr .compareYCoords -.pushingDown - ld a, [$ffdc] - inc a -.compareYCoords - cp b - jr z, .failure -.nextSprite1 - dec c - jr z, .success - add hl, de - jr .pushingVerticallyLoop -.pushingHorizontallyLoop - ld a, [hli] - ld b, a - ld a, [$ffdc] - cp b - jr nz, .nextSprite2 - ld b, [hl] - ld a, [$ffdb] - bit 2, a - jr nz, .pushingLeft -; pushing right - ld a, [$ffdd] - inc a - jr .compareXCoords -.pushingLeft - ld a, [$ffdd] - dec a -.compareXCoords - cp b - jr z, .failure -.nextSprite2 - dec c - jr z, .success - add hl, de - jr .pushingHorizontallyLoop -.failure - ld a, $ff - ret -.success - xor a - ret - -ApplyOutOfBattlePoisonDamage: ; c3de (3:43de) - ld a, [wd730] - add a - jp c, .noBlackOut ; no black out if joypad states are being simulated - ld a, [wd493] - bit 7, a - jp nz, .noBlackOut - ld a, [wd72e] - bit 6, a - jp nz, .noBlackOut - ld a, [wPartyCount] - and a - jp z, .noBlackOut - call IncrementDayCareMonExp - call Func_c4c7 - ld a, [wStepCounter] - and $3 ; is the counter a multiple of 4? - jp nz, .skipPoisonEffectAndSound ; only apply poison damage every fourth step - ld [wWhichPokemon], a - ld hl, wPartyMon1Status - ld de, wPartySpecies -.applyDamageLoop - ld a, [hl] - and (1 << PSN) - jr z, .nextMon2 ; not poisoned - dec hl - dec hl - ld a, [hld] - ld b, a - ld a, [hli] - or b - jr z, .nextMon ; already fainted -; subtract 1 from HP - ld a, [hl] - dec a - ld [hld], a - inc a - jr nz, .noBorrow -; borrow 1 from upper byte of HP - dec [hl] - inc hl - jr .nextMon -.noBorrow - ld a, [hli] - or [hl] - jr nz, .nextMon ; didn't faint from damage -; the mon fainted from the damage - push hl - inc hl - inc hl - ld [hl], a - ld a, [de] - ld [wd11e], a - push de - ld a, [wWhichPokemon] - ld hl, wPartyMonNicks - call GetPartyMonName - xor a - ld [wJoyIgnore], a - call EnableAutoTextBoxDrawing - ld a, $d0 - ld [hSpriteIndexOrTextID], a - call DisplayTextID - callab IsThisPartymonStarterPikachu_Party - jr nc, .curMonNotPlayerPikachu - ld e, $3 - callab PlayPikachuSoundClip - calladb_ModifyPikachuHappiness PIKAHAPPY_PSNFNT -.curMonNotPlayerPikachu - pop de - pop hl -.nextMon - inc hl - inc hl -.nextMon2 - inc de - ld a, [de] - inc a - jr z, .applyDamageLoopDone - ld bc, wPartyMon2 - wPartyMon1 - add hl, bc - push hl - ld hl, wWhichPokemon - inc [hl] - pop hl - jr .applyDamageLoop -.applyDamageLoopDone - ld hl, wPartyMon1Status - ld a, [wPartyCount] - ld d, a - ld e, 0 -.countPoisonedLoop - ld a, [hl] - and (1 << PSN) - or e - ld e, a - ld bc, wPartyMon2 - wPartyMon1 - add hl, bc - dec d - jr nz, .countPoisonedLoop - ld a, e - and a ; are any party members poisoned? - jr z, .skipPoisonEffectAndSound - ld b, $2 - predef InvertBGPal_4Frames ; change BG white to dark grey for 4 frames - ld a, SFX_POISONED - call PlaySound -.skipPoisonEffectAndSound - predef AnyPartyAlive - ld a, d - and a - jr nz, .noBlackOut - call EnableAutoTextBoxDrawing - ld a, $d1 - ld [hSpriteIndexOrTextID], a - call DisplayTextID - ld hl, wd72e - set 5, [hl] - ld a, $ff - jr .done -.noBlackOut - xor a -.done - ld [wOutOfBattleBlackout], a - ret - -Func_c4c7: ; c4c7 (3:44c7) - ld a, [wStepCounter] - and a - jr nz, .asm_c4de - call Random - and $1 - jr z, .asm_c4de - calladb_ModifyPikachuHappiness $6 -.asm_c4de - ld hl, wPikachuMood - ld a, [hl] - cp $80 - jr z, .asm_c4ef - jr c, .asm_c4ea - dec a - dec a -.asm_c4ea - inc a - ld [hl], a - cp $80 - ret nz -.asm_c4ef - xor a - ld [wd49c], a - ret - -LoadTilesetHeader: ; c4f4 (3:44f4) - call GetPredefRegisters - push hl - ld d, 0 - ld a, [wCurMapTileset] - add a - add a - ld e, a - ld hl, Tilesets - add hl, de - add hl, de - add hl, de - ld de, wTilesetBank - ld bc, $b - call CopyData - ld a, [hl] - ld [hTilesetType], a - xor a - ld [$ffd8], a - pop hl - ld a, [wCurMapTileset] - push hl - push de - ld hl, DungeonTilesets - ld de, $1 - call IsInArray - pop de - pop hl - jr c, .notDungeonTileset - ld a, [wCurMapTileset] - ld b, a - ld a, [hPreviousTileset] - cp b - jr z, .done -.notDungeonTileset - ld a, [wDestinationWarpID] - cp $ff - jr z, .done - call LoadDestinationWarpPosition - ld a, [wYCoord] - and $1 - ld [wYBlockCoord], a - ld a, [wXCoord] - and $1 - ld [wXBlockCoord], a -.done - ret - -INCLUDE "data/dungeon_tilesets.asm" - -INCLUDE "data/tileset_headers.asm" - -IncrementDayCareMonExp: ; c684 (3:4684) - ld a, [wDayCareInUse] - and a - ret z - ld hl, wDayCareMonExp + 2 - inc [hl] - ret nz - dec hl - inc [hl] - ret nz - dec hl - inc [hl] - ld a, [hl] - cp $50 - ret c - ld a, $50 - ld [hl], a - ret +INCLUDE "engine/overworld/clear_loadmapdata_vars.asm" +INCLUDE "engine/overworld/check_player_state.asm" +INCLUDE "engine/overworld/print_safari_steps.asm" +INCLUDE "engine/overworld/get_coords_tile_in_front_of_player.asm" +INCLUDE "engine/overworld/boulders.asm" +INCLUDE "engine/overworld/step_functions.asm" +INCLUDE "engine/overworld/load_tileset_header.asm" +INCLUDE "engine/overworld/daycare_exp.asm" INCLUDE "data/hide_show_data.asm" -LoadWildData: ; cb62 (3:4b62) - ld hl,WildDataPointers - ld a,[wCurMap] - - ; get wild data for current map - ld c,a - ld b,0 - add hl,bc - add hl,bc - ld a,[hli] - ld h,[hl] - ld l,a ; hl now points to wild data for current map - ld a,[hli] - ld [wGrassRate],a - and a - jr z,.NoGrassData ; if no grass data, skip to surfing data - push hl - ld de,wGrassMons ; otherwise, load grass data - ld bc,$0014 - call CopyData - pop hl - ld bc,$0014 - add hl,bc -.NoGrassData - ld a,[hli] - ld [wWaterRate],a - and a - ret z ; if no water data, we're done - ld de,wWaterMons ; otherwise, load surfing data - ld bc,$0014 - jp CopyData - -INCLUDE "data/wild_mons.asm" +INCLUDE "engine/overworld/load_wild_data.asm" INCLUDE "engine/items/items.asm" -DrawBadges: ; e880 (3:6880) -; Draw 4x2 gym leader faces, with the faces replaced by -; badges if they are owned. Used in the player status screen. - -; In Japanese versions, names are displayed above faces. -; Instead of removing relevant code, the name graphics were erased. - -; Tile ids for face/badge graphics. - ld de, wBadgeOrFaceTiles - ld hl, .FaceBadgeTiles - ld bc, 8 - call CopyData - -; Booleans for each badge. - ld hl, wTempObtainedBadgesBooleans - ld bc, 8 - xor a - call FillMemory - -; Alter these based on owned badges. - ld de, wTempObtainedBadgesBooleans - ld hl, wBadgeOrFaceTiles - ld a, [wObtainedBadges] - ld b, a - ld c, 8 -.CheckBadge - srl b - jr nc, .NextBadge - ld a, [hl] - add 4 ; Badge graphics are after each face - ld [hl], a - ld a, 1 - ld [de], a -.NextBadge - inc hl - inc de - dec c - jr nz, .CheckBadge - -; Draw two rows of badges. - ld hl, wBadgeNumberTile - ld a, $d8 ; [1] - ld [hli], a - ld [hl], $60 ; First name - - coord hl, 2, 11 - ld de, wTempObtainedBadgesBooleans - call .DrawBadgeRow - - coord hl, 2, 14 - ld de, wTempObtainedBadgesBooleans + 4 -; call .DrawBadgeRow -; ret - -.DrawBadgeRow ; e8c9 (3:68c9) -; Draw 4 badges. - - ld c, 4 -.DrawBadge - push de - push hl - -; Badge no. - ld a, [wBadgeNumberTile] - ld [hli], a - inc a - ld [wBadgeNumberTile], a - -; Names aren't printed if the badge is owned. - ld a, [de] - and a - ld a, [wBadgeNameTile] - jr nz, .SkipName - call .PlaceTiles - jr .PlaceBadge - -.SkipName - inc a - inc a - inc hl - -.PlaceBadge - ld [wBadgeNameTile], a - ld de, SCREEN_WIDTH - 1 - add hl, de - ld a, [wBadgeOrFaceTiles] - call .PlaceTiles - add hl, de - call .PlaceTiles - -; Shift badge array back one byte. - push bc - ld hl, wBadgeOrFaceTiles + 1 - ld de, wBadgeOrFaceTiles - ld bc, 8 - call CopyData - pop bc - - pop hl - ld de, 4 - add hl, de - - pop de - inc de - dec c - jr nz, .DrawBadge - ret - -.PlaceTiles - ld [hli], a - inc a - ld [hl], a - inc a - ret - -.FaceBadgeTiles - db $20, $28, $30, $38, $40, $48, $50, $58 - -GymLeaderFaceAndBadgeTileGraphics: ; e91b (3:691b) - INCBIN "gfx/badges.2bpp" - -; replaces a tile block with the one specified in [wNewTileBlockID] -; and redraws the map view if necessary -; b = Y -; c = X -ReplaceTileBlock: ; ed1b (3:6d1b) - call GetPredefRegisters - ld hl, wOverworldMap - ld a, [wCurMapWidth] - add $6 - ld e, a - ld d, $0 - add hl, de - add hl, de - add hl, de - ld e, $3 - add hl, de - ld e, a - ld a, b - and a - jr z, .addX -; add width * Y -.addWidthYTimesLoop - add hl, de - dec b - jr nz, .addWidthYTimesLoop -.addX - add hl, bc ; add X - ld a, [wNewTileBlockID] - ld [hl], a - ld a, [wCurrentTileBlockMapViewPointer] - ld c, a - ld a, [wCurrentTileBlockMapViewPointer + 1] - ld b, a - call CompareHLWithBC - ret c ; return if the replaced tile block is below the map view in memory - push hl - ld l, e - ld h, $0 - ld e, $6 - ld d, h - add hl, hl - add hl, hl - add hl, de - add hl, bc - pop bc - call CompareHLWithBC - ret c ; return if the replaced tile block is above the map view in memory - -RedrawMapView: ; ed59 (3:6d59) - ld a, [wIsInBattle] - inc a - ret z - ld a, [H_AUTOBGTRANSFERENABLED] - push af - ld a, [hTilesetType] - push af - xor a - ld [H_AUTOBGTRANSFERENABLED], a - ld [hTilesetType], a ; no flower/water BG tile animations - call LoadCurrentMapView - call RunDefaultPaletteCommand - ld hl, wMapViewVRAMPointer - ld a, [hli] - ld h, [hl] - ld l, a - ld de, -2 * 32 - add hl, de - ld a, h - and $3 - or $98 - ld a, l - ld [wBuffer], a - ld a, h - ld [wBuffer + 1], a ; this copy of the address is not used - ld a, 2 - ld [$ffbe], a - ld c, 9 ; number of rows of 2x2 tiles (this covers the whole screen) -.redrawRowLoop - push bc - push hl - push hl - ld hl, wTileMap - 2 * SCREEN_WIDTH - ld de, SCREEN_WIDTH - ld a, [$ffbe] -.calcWRAMAddrLoop - add hl, de - dec a - jr nz, .calcWRAMAddrLoop - call CopyToRedrawRowOrColumnSrcTiles - pop hl - ld de, $20 - ld a, [$ffbe] - ld c, a -.calcVRAMAddrLoop - add hl, de - ld a, h - and $3 - or $98 - dec c - jr nz, .calcVRAMAddrLoop - ld [hRedrawRowOrColumnDest + 1], a - ld a, l - ld [hRedrawRowOrColumnDest], a - ld a, REDRAW_ROW - ld [hRedrawRowOrColumnMode], a - call DelayFrame - ld hl, $ffbe - inc [hl] - inc [hl] - pop hl - pop bc - dec c - jr nz, .redrawRowLoop - pop af - ld [hTilesetType], a - pop af - ld [H_AUTOBGTRANSFERENABLED], a - ret +INCLUDE "engine/draw_badges.asm" -CompareHLWithBC: ; edcb (3:6dcb) - ld a, h - sub b - ret nz - ld a, l - sub c - ret - +INCLUDE "engine/overworld/replace_tile_block.asm" INCLUDE "engine/overworld/cut.asm" - -MarkTownVisitedAndLoadMissableObjects: ; ef93 (3:6f93) - ld a, [wCurMap] - cp ROUTE_1 - jr nc, .notInTown - ld c, a - ld b, FLAG_SET - ld hl, wTownVisitedFlag ; mark town as visited (for flying) - predef FlagActionPredef -.notInTown - ld hl, MapHSPointers - ld a, [wCurMap] - ld b, $0 - ld c, a - add hl, bc - add hl, bc - ld a, [hli] ; load missable objects pointer in hl - ld h, [hl] - ; fall through - -; LoadMissableObjects: ; efb2 (3:6fb2) -; seems to not exist in yellow (predef replaced with something near TryPushingBoulder) - ld l, a - push hl - ld a, l - sub MapHS00 & $ff ; calculate difference between out pointer and the base pointer - ld l, a - ld a, h - sbc MapHS00 / $100 - ld h, a - ld a, h - ld [H_DIVIDEND], a - ld a, l - ld [H_DIVIDEND+1], a - xor a - ld [H_DIVIDEND+2], a - ld [H_DIVIDEND+3], a - ld a, $3 - ld [H_DIVISOR], a - ld b, $2 - call Divide ; divide difference by 3, resulting in the global offset (number of missable items before ours) - ld a, [wCurMap] - ld b, a - ld a, [H_DIVIDEND+3] - ld c, a ; store global offset in c - ld de, wMissableObjectList - pop hl -.writeMissableObjectsListLoop - ld a, [hli] - cp $ff - jr z, .done ; end of list - cp b - jr nz, .done ; not for current map anymore - ld a, [hli] - inc hl - ld [de], a ; write (map-local) sprite ID - inc de - ld a, c - inc c - ld [de], a ; write (global) missable object index - inc de - jr .writeMissableObjectsListLoop -.done - ld a, $ff - ld [de], a ; write sentinel - ret - -InitializeMissableObjectsFlags: ; eff1 (3:6ff1) - ld hl, wMissableObjectFlags - ld bc, wMissableObjectFlagsEnd - wMissableObjectFlags - xor a - call FillMemory ; clear missable objects flags - ld hl, MapHS00 - xor a - ld [wMissableObjectCounter], a -.missableObjectsLoop - ld a, [hli] - cp $ff ; end of list - ret z - push hl - inc hl - ld a, [hl] - cp Hide - jr nz, .skip - ld hl, wMissableObjectFlags - ld a, [wMissableObjectCounter] - ld c, a - ld b, FLAG_SET - call MissableObjectFlagAction ; set flag if Item is hidden -.skip - ld hl, wMissableObjectCounter - inc [hl] - pop hl - inc hl - inc hl - jr .missableObjectsLoop - -; tests if current sprite is a missable object that is hidden/has been removed -IsObjectHidden: ; f022 (3:7022) - ld a, [H_CURRENTSPRITEOFFSET] - swap a - ld b, a - ld hl, wMissableObjectList -.loop - ld a, [hli] - cp $ff - jr z, .notHidden ; not missable -> not hidden - cp b - ld a, [hli] - jr nz, .loop - ld c, a - ld b, FLAG_TEST - ld hl, wMissableObjectFlags - call MissableObjectFlagAction - ld a, c - and a - jr nz, .hidden -.notHidden - xor a -.hidden - ld [$ffe5], a - ret - -; adds missable object (items, leg. pokemon, etc.) to the map -; [wMissableObjectIndex]: index of the missable object to be added (global index) -ShowObject: ; f044 (3:7044) -ShowObject2: - ld hl, wMissableObjectFlags - ld a, [wMissableObjectIndex] - ld c, a - ld b, FLAG_RESET - call MissableObjectFlagAction ; reset "removed" flag - jp UpdateSprites - -; removes missable object (items, leg. pokemon, etc.) from the map -; [wMissableObjectIndex]: index of the missable object to be removed (global index) -HideObject: ; f053 (3:7053) - ld hl, wMissableObjectFlags - ld a, [wMissableObjectIndex] - ld c, a - ld b, FLAG_SET - call MissableObjectFlagAction ; set "removed" flag - jp UpdateSprites - -MissableObjectFlagAction: ; f062 (3:7062) -; identical to FlagAction - - push hl - push de - push bc - - ; bit - ld a, c - ld d, a - and 7 - ld e, a - - ; byte - ld a, d - srl a - srl a - srl a - add l - ld l, a - jr nc, .ok - inc h -.ok - - ; d = 1 << e (bitmask) - inc e - ld d, 1 -.shift - dec e - jr z, .shifted - sla d - jr .shift -.shifted - - ld a, b - and a - jr z, .reset - cp 2 - jr z, .read - -.set - ld a, [hl] - ld b, a - ld a, d - or b - ld [hl], a - jr .done - -.reset - ld a, [hl] - ld b, a - ld a, d - xor $ff - and b - ld [hl], a - jr .done - -.read - ld a, [hl] - ld b, a - ld a, d - and b - -.done - pop bc - pop de - pop hl - ld c, a - ret - -TryPushingBoulder: ; f0a1 (3:70a1) - ld a, [wd728] - bit 0, a ; using Strength? - ret z -; where LoadMissableObjects predef points to now - ld a, [wFlags_0xcd60] - bit 1, a ; has boulder dust animation from previous push played yet? - ret nz - xor a - ld [hSpriteIndexOrTextID], a - call IsSpriteInFrontOfPlayer - ld a, [hSpriteIndexOrTextID] - ld [wBoulderSpriteIndex], a - and a - jp z, ResetBoulderPushFlags - ld hl, wSpriteStateData1 + 1 - ld d, $0 - ld a, [hSpriteIndexOrTextID] - swap a - ld e, a - add hl, de - res 7, [hl] - call GetSpriteMovementByte2Pointer - ld a, [hl] - cp BOULDER_MOVEMENT_BYTE_2 - jp nz, ResetBoulderPushFlags - ld hl, wFlags_0xcd60 - bit 6, [hl] - set 6, [hl] ; indicate that the player has tried pushing - ret z ; the player must try pushing twice before the boulder will move - ld a, [hJoyHeld] - and D_RIGHT | D_LEFT | D_UP | D_DOWN - ret z - predef CheckForCollisionWhenPushingBoulder - ld a, [wTileInFrontOfBoulderAndBoulderCollisionResult] - and a ; was there a collision? - jp nz, ResetBoulderPushFlags - ld a, [hJoyHeld] - ld b, a - ld a, [wSpriteStateData1 + 9] ; player's sprite facing direction - cp SPRITE_FACING_UP - jr z, .pushBoulderUp - cp SPRITE_FACING_LEFT - jr z, .pushBoulderLeft - cp SPRITE_FACING_RIGHT - jr z, .pushBoulderRight -.pushBoulderDown - bit 7, b - ret z - ld de, PushBoulderDownMovementData - jr .done -.pushBoulderUp - bit 6, b - ret z - ld de, PushBoulderUpMovementData - jr .done -.pushBoulderLeft - bit 5, b - ret z - ld de, PushBoulderLeftMovementData - jr .done -.pushBoulderRight - bit 4, b - ret z - ld de, PushBoulderRightMovementData -.done - call MoveSprite - ld a, SFX_PUSH_BOULDER - call PlaySound - ld hl, wFlags_0xcd60 - set 1, [hl] - ret - -PushBoulderUpMovementData: ; f129 (3:7129) - db NPC_MOVEMENT_UP,$FF - -PushBoulderDownMovementData: ; f12b (3:712b) - db NPC_MOVEMENT_DOWN,$FF - -PushBoulderLeftMovementData: ; f12d (3:712d) - db NPC_MOVEMENT_LEFT,$FF - -PushBoulderRightMovementData: ; f12f (3:712f) - db NPC_MOVEMENT_RIGHT,$FF - -DoBoulderDustAnimation: ; f131 (3:7131) - ld a, [wd730] - bit 0, a - ret nz - callab AnimateBoulderDust - call DiscardButtonPresses - ld [wJoyIgnore], a - call ResetBoulderPushFlags - set 7, [hl] - ld a, [wBoulderSpriteIndex] - ld [H_SPRITEINDEX], a - call GetSpriteMovementByte2Pointer - ld [hl], $10 - ld a, SFX_CUT - jp PlaySound - -ResetBoulderPushFlags: ; f159 (3:7159) - ld hl, wFlags_0xcd60 - res 1, [hl] - res 6, [hl] - ret - -_AddPartyMon: ; f161 (3:7161) -; Adds a new mon to the player's or enemy's party. -; [wMonDataLocation] is used in an unusual way in this function. -; If the lower nybble is 0, the mon is added to the player's party, else the enemy's. -; If the entire value is 0, then the player is allowed to name the mon. - ld de, wPartyCount - ld a, [wMonDataLocation] - and $f - jr z, .next - ld de, wEnemyPartyCount -.next - ld a, [de] - inc a - cp PARTY_LENGTH + 1 - ret nc ; return if the party is already full - ld [de], a - ld a, [de] - ld [hNewPartyLength], a - add e - ld e, a - jr nc, .noCarry - inc d -.noCarry - ld a, [wcf91] - ld [de], a ; write species of new mon in party list - inc de - ld a, $ff ; terminator - ld [de], a - ld hl, wPartyMonOT - ld a, [wMonDataLocation] - and $f - jr z, .next2 - ld hl, wEnemyMonOT -.next2 - ld a, [hNewPartyLength] - dec a - call SkipFixedLengthTextEntries - ld d, h - ld e, l - ld hl, wPlayerName - ld bc, NAME_LENGTH - call CopyData - ld a, [wMonDataLocation] - and a - jr nz, .skipNaming - ld hl, wPartyMonNicks - ld a, [hNewPartyLength] - dec a - call SkipFixedLengthTextEntries - ld a, NAME_MON_SCREEN - ld [wNamingScreenType], a - predef AskName -.skipNaming - ld hl, wPartyMons - ld a, [wMonDataLocation] - and $f - jr z, .next3 - ld hl, wEnemyMons -.next3 - ld a, [hNewPartyLength] - dec a - ld bc, wPartyMon2 - wPartyMon1 - call AddNTimes - ld e, l - ld d, h - push hl - ld a, [wcf91] - ld [wd0b5], a - call GetMonHeader - ld hl, wMonHeader - ld a, [hli] - ld [de], a ; species - inc de - pop hl - push hl - ld a, [wMonDataLocation] - and $f - ld a, $98 ; set enemy trainer mon IVs to fixed average values - ld b, $88 - jr nz, .next4 - -; If the mon is being added to the player's party, update the pokedex. - ld a, [wcf91] - ld [wd11e], a - push de - predef IndexToPokedex - pop de - ld a, [wd11e] - dec a - ld c, a - ld b, FLAG_TEST - ld hl, wPokedexOwned - call FlagAction - ld a, c ; whether the mon was already flagged as owned - ld [wUnusedD153], a ; not read - ld a, [wd11e] - dec a - ld c, a - ld b, FLAG_SET - push bc - call FlagAction - pop bc - ld hl, wPokedexSeen - call FlagAction - - pop hl - push hl - - ld a, [wIsInBattle] - and a ; is this a wild mon caught in battle? - jr nz, .copyEnemyMonData - -; Not wild. - call Random ; generate random IVs - ld b, a - call Random - -.next4 - push bc - ld bc, wPartyMon1DVs - wPartyMon1 - add hl, bc - pop bc - ld [hli], a - ld [hl], b ; write IVs - ld bc, (wPartyMon1HPExp - 1) - (wPartyMon1DVs + 1) - add hl, bc - ld a, 1 - ld c, a - xor a - ld b, a - call CalcStat ; calc HP stat (set cur Hp to max HP) - ld a, [H_MULTIPLICAND+1] - ld [de], a - inc de - ld a, [H_MULTIPLICAND+2] - ld [de], a - inc de - xor a - ld [de], a ; box level - inc de - ld [de], a ; status ailments - inc de - jr .copyMonTypesAndMoves -.copyEnemyMonData - ld bc, wEnemyMon1DVs - wEnemyMon1 - add hl, bc - ld a, [wEnemyMonDVs] ; copy IVs from cur enemy mon - ld [hli], a - ld a, [wEnemyMonDVs + 1] - ld [hl], a - ld a, [wEnemyMonHP] ; copy HP from cur enemy mon - ld [de], a - inc de - ld a, [wEnemyMonHP+1] - ld [de], a - inc de - xor a - ld [de], a ; box level - inc de - ld a, [wEnemyMonStatus] ; copy status ailments from cur enemy mon - ld [de], a - inc de -.copyMonTypesAndMoves - ld hl, wMonHTypes - ld a, [hli] ; type 1 - ld [de], a - inc de - ld a, [hli] ; type 2 - ld [de], a - inc de - ld a, [hli] ; catch rate (held item in gen 2) - ld [de], a - ld a, [wcf91] - cp KADABRA - jr nz, .skipGivingTwistedSpoon - ld a, $60 ; twistedspoon in gen 2 - ld [de], a -.skipGivingTwistedSpoon - ld hl, wMonHMoves - ld a, [hli] - inc de - push de - ld [de], a - ld a, [hli] - inc de - ld [de], a - ld a, [hli] - inc de - ld [de], a - ld a, [hli] - inc de - ld [de], a - push de - dec de - dec de - dec de - xor a - ld [wLearningMovesFromDayCare], a - predef WriteMonMoves - pop de - ld a, [wPlayerID] ; set trainer ID to player ID - inc de - ld [de], a - ld a, [wPlayerID + 1] - inc de - ld [de], a - push de - ld a, [wCurEnemyLVL] - ld d, a - callab CalcExperience - pop de - inc de - ld a, [hExperience] ; write experience - ld [de], a - inc de - ld a, [hExperience + 1] - ld [de], a - inc de - ld a, [hExperience + 2] - ld [de], a - xor a - ld b, NUM_STATS * 2 -.writeEVsLoop ; set all EVs to 0 - inc de - ld [de], a - dec b - jr nz, .writeEVsLoop - inc de - inc de - pop hl - call AddPartyMon_WriteMovePP - inc de - ld a, [wCurEnemyLVL] - ld [de], a - inc de - ld a, [wIsInBattle] - dec a - jr nz, .calcFreshStats - ld hl, wEnemyMonMaxHP - ld bc, $a - call CopyData ; copy stats of cur enemy mon - pop hl - jr .done -.calcFreshStats - pop hl - ld bc, wPartyMon1HPExp - 1 - wPartyMon1 - add hl, bc - ld b, $0 - call CalcStats ; calculate fresh set of stats -.done - scf - ret - -LoadMovePPs: ; f2f9 (3:72f9) - call GetPredefRegisters - ; fallthrough -AddPartyMon_WriteMovePP: ; f2fc (3:72fc) - ld b, NUM_MOVES -.pploop - ld a, [hli] ; read move ID - and a - jr z, .empty - dec a - push hl - push de - push bc - ld hl, Moves - ld bc, MoveEnd - Moves - call AddNTimes - ld de, wcd6d - ld a, BANK(Moves) - call FarCopyData - pop bc - pop de - pop hl - ld a, [wcd6d + 5] ; PP is byte 5 of move data -.empty - inc de - ld [de], a - dec b - jr nz, .pploop ; there are still moves to read - ret - -; adds enemy mon [wcf91] (at position [wWhichPokemon] in enemy list) to own party -; used in the cable club trade center -_AddEnemyMonToPlayerParty: ; f323 (3:7323) - ld hl, wPartyCount - ld a, [hl] - cp PARTY_LENGTH - scf - ret z ; party full, return failure - inc a - ld [hl], a ; add 1 to party members - ld c, a - ld b, $0 - add hl, bc - ld a, [wcf91] - ld [hli], a ; add mon as last list entry - ld [hl], $ff ; write new sentinel - ld hl, wPartyMons - ld a, [wPartyCount] - dec a - ld bc, wPartyMon2 - wPartyMon1 - call AddNTimes - ld e, l - ld d, h - ld hl, wLoadedMon - call CopyData ; write new mon's data (from wLoadedMon) - ld hl, wPartyMonOT - ld a, [wPartyCount] - dec a - call SkipFixedLengthTextEntries - ld d, h - ld e, l - ld hl, wEnemyMonOT - ld a, [wWhichPokemon] - call SkipFixedLengthTextEntries - ld bc, NAME_LENGTH - call CopyData ; write new mon's OT name (from an enemy mon) - ld hl, wPartyMonNicks - ld a, [wPartyCount] - dec a - call SkipFixedLengthTextEntries - ld d, h - ld e, l - ld hl, wEnemyMonNicks - ld a, [wWhichPokemon] - call SkipFixedLengthTextEntries - ld bc, NAME_LENGTH - call CopyData ; write new mon's nickname (from an enemy mon) - ld a, [wcf91] - ld [wd11e], a - predef IndexToPokedex - ld a, [wd11e] - dec a - ld c, a - ld b, FLAG_SET - ld hl, wPokedexOwned - push bc - call FlagAction ; add to owned pokemon - pop bc - ld hl, wPokedexSeen - call FlagAction ; add to seen pokemon - and a - ret ; return success - -_MoveMon: ; f3a4 (3:73a4) - ld a, [wMoveMonType] - and a - jr z, .checkPartyMonSlots - cp DAYCARE_TO_PARTY - jr z, .checkPartyMonSlots - cp PARTY_TO_DAYCARE - ld hl, wDayCareMon - jr z, .asm_f3fb - ld hl, wNumInBox - ld a, [hl] - cp MONS_PER_BOX - jr nz, .partyOrBoxNotFull - jr .boxFull -.checkPartyMonSlots - ld hl, wPartyCount - ld a, [hl] - cp PARTY_LENGTH - jr nz, .partyOrBoxNotFull -.boxFull - scf - ret -.partyOrBoxNotFull - inc a - ld [hl], a ; increment number of mons in party/box - ld c, a - ld b, 0 - add hl, bc - ld a, [wMoveMonType] - cp DAYCARE_TO_PARTY - ld a, [wDayCareMon] - jr z, .asm_f3dc - ld a, [wcf91] -.asm_f3dc - ld [hli], a ; write new mon ID - ld [hl], $ff ; write new sentinel - ld a, [wMoveMonType] - dec a - ld hl, wPartyMons - ld bc, wPartyMon2 - wPartyMon1 ; $2c - ld a, [wPartyCount] - jr nz, .skipToNewMonEntry - ld hl, wBoxMons - ld bc, wBoxMon2 - wBoxMon1 ; $21 - ld a, [wNumInBox] -.skipToNewMonEntry - dec a - call AddNTimes -.asm_f3fb - push hl - ld e, l - ld d, h - ld a, [wMoveMonType] - and a - ld hl, wBoxMons - ld bc, wBoxMon2 - wBoxMon1 ; $21 - jr z, .asm_f417 - cp DAYCARE_TO_PARTY - ld hl, wDayCareMon - jr z, .asm_f41d - ld hl, wPartyMons - ld bc, wPartyMon2 - wPartyMon1 ; $2c -.asm_f417 - ld a, [wWhichPokemon] - call AddNTimes -.asm_f41d - push hl - push de - ld bc, wBoxMon2 - wBoxMon1 - call CopyData - pop de - pop hl - ld a, [wMoveMonType] - and a - jr z, .asm_f43a - cp DAYCARE_TO_PARTY - jr z, .asm_f43a - ld bc, wBoxMon2 - wBoxMon1 - add hl, bc - ld a, [hl] - inc de - inc de - inc de - ld [de], a -.asm_f43a - ld a, [wMoveMonType] - cp PARTY_TO_DAYCARE - ld de, wDayCareMonOT - jr z, .asm_f459 - dec a - ld hl, wPartyMonOT - ld a, [wPartyCount] - jr nz, .asm_f453 - ld hl, wBoxMonOT - ld a, [wNumInBox] -.asm_f453 - dec a - call SkipFixedLengthTextEntries - ld d, h - ld e, l -.asm_f459 - ld hl, wBoxMonOT - ld a, [wMoveMonType] - and a - jr z, .asm_f46c - ld hl, wDayCareMonOT - cp DAYCARE_TO_PARTY - jr z, .asm_f472 - ld hl, wPartyMonOT -.asm_f46c - ld a, [wWhichPokemon] - call SkipFixedLengthTextEntries -.asm_f472 - ld bc, NAME_LENGTH - call CopyData - ld a, [wMoveMonType] - cp PARTY_TO_DAYCARE - ld de, wDayCareMonName - jr z, .asm_f497 - dec a - ld hl, wPartyMonNicks - ld a, [wPartyCount] - jr nz, .asm_f491 - ld hl, wBoxMonNicks - ld a, [wNumInBox] -.asm_f491 - dec a - call SkipFixedLengthTextEntries - ld d, h - ld e, l -.asm_f497 - ld hl, wBoxMonNicks - ld a, [wMoveMonType] - and a - jr z, .asm_f4aa - ld hl, wDayCareMonName - cp DAYCARE_TO_PARTY - jr z, .asm_f4b0 - ld hl, wPartyMonNicks -.asm_f4aa - ld a, [wWhichPokemon] - call SkipFixedLengthTextEntries -.asm_f4b0 - ld bc, NAME_LENGTH - call CopyData - pop hl - ld a, [wMoveMonType] - cp PARTY_TO_BOX - jr z, .asm_f4ea - cp PARTY_TO_DAYCARE - jr z, .asm_f4ea - push hl - srl a - add $2 - ld [wMonDataLocation], a - call LoadMonData - callba CalcLevelFromExperience - ld a, d - ld [wCurEnemyLVL], a - pop hl - ld bc, wBoxMon2 - wBoxMon1 - add hl, bc - ld [hli], a - ld d, h - ld e, l - ld bc, -18 - add hl, bc - ld b, $1 - call CalcStats -.asm_f4ea - and a - ret - - -FlagActionPredef: ; f4ec (3:74ec) - call GetPredefRegisters - -FlagAction: ; f4ef (3:74ef) -; Perform action b on bit c -; in the bitfield at hl. -; 0: reset -; 1: set -; 2: read -; Return the result in c. - - push hl - push de - push bc - - ; bit - ld a, c - ld d, a - and 7 - ld e, a - - ; byte - ld a, d - srl a - srl a - srl a - add l - ld l, a - jr nc, .ok - inc h -.ok - - ; d = 1 << e (bitmask) - inc e - ld d, 1 -.shift - dec e - jr z, .shifted - sla d - jr .shift -.shifted - - ld a, b - and a - jr z, .reset - cp 2 - jr z, .read - -.set - ld b, [hl] - ld a, d - or b - ld [hl], a - jr .done - -.reset - ld b, [hl] - ld a, d - xor $ff - and b - ld [hl], a - jr .done - -.read - ld b, [hl] - ld a, d - and b -.done - pop bc - pop de - pop hl - ld c, a - ret - -HealParty: ; f52b (3:752b) -; Restore HP and PP. - - ld hl, wPartySpecies - ld de, wPartyMon1HP -.healmon - ld a, [hli] - cp $ff - jr z, .done - - push hl - push de - - ld hl, wPartyMon1Status - wPartyMon1HP - add hl, de - xor a - ld [hl], a - - push de - ld b, NUM_MOVES ; A Pokémon has 4 moves -.pp - ld hl, wPartyMon1Moves - wPartyMon1HP - add hl, de - - ld a, [hl] - and a - jr z, .nextmove - - dec a - ld hl, wPartyMon1PP - wPartyMon1HP - add hl, de - - push hl - push de - push bc - - ld hl, Moves - ld bc, MoveEnd - Moves - call AddNTimes - ld de, wcd6d - ld a, BANK(Moves) - call FarCopyData - ld a, [wcd6d + 5] ; PP is byte 5 of move data - - pop bc - pop de - pop hl - - inc de - push bc - ld b, a - ld a, [hl] - and $c0 - add b - ld [hl], a - pop bc - -.nextmove - dec b - jr nz, .pp - pop de - - ld hl, wPartyMon1MaxHP - wPartyMon1HP - add hl, de - ld a, [hli] - ld [de], a - inc de - ld a, [hl] - ld [de], a - - pop de - pop hl - - push hl - ld bc, wPartyMon2 - wPartyMon1 - ld h, d - ld l, e - add hl, bc - ld d, h - ld e, l - pop hl - jr .healmon - -.done - xor a - ld [wWhichPokemon], a - ld [wd11e], a - - ld a, [wPartyCount] - ld b, a -.ppup - push bc - call RestoreBonusPP - pop bc - ld hl, wWhichPokemon - inc [hl] - dec b - jr nz, .ppup - ret +INCLUDE "engine/overworld/missable_objects.asm" +INCLUDE "engine/overworld/try_pushing_boulder.asm" +INCLUDE "engine/add_party_mon.asm" +INCLUDE "engine/move_mon.asm" +INCLUDE "engine/flag_action_predef.asm" +INCLUDE "engine/heal_party.asm" INCLUDE "engine/bcd.asm" -InitPlayerData: ; f6d6 (3:76d6) -InitPlayerData2: +INCLUDE "engine/init_player_data.asm" - call Random - ld a, [hRandomSub] - ld [wPlayerID], a - - call Random - ld a, [hRandomAdd] - ld [wPlayerID + 1], a - - ld a, $ff - ld [wUnusedD71B], a - - ld a, 90 ; initialize happiness to 90 - ld [wPikachuHappiness], a - ld a, $80 - ld [wPikachuMood], a ; initialize mood - - ld hl, wPartyCount - call InitializeEmptyList - ld hl, wNumInBox - call InitializeEmptyList - ld hl, wNumBagItems - call InitializeEmptyList - ld hl, wNumBoxItems - call InitializeEmptyList - -START_MONEY EQU $3000 - ld hl, wPlayerMoney + 1 - ld a, START_MONEY / $100 - ld [hld], a - xor a - ld [hli], a - inc hl - ld [hl], a - - ld [wMonDataLocation], a - - ld hl, wObtainedBadges - ld [hli], a - - ld [hl], a - - ld hl, wPlayerCoins - ld [hli], a - ld [hl], a - - ld hl, wGameProgressFlags - ld bc, wGameProgressFlagsEnd - wGameProgressFlags - call FillMemory ; clear all game progress flags - - jp InitializeMissableObjectsFlags - -InitializeEmptyList: ; f730 (3:7730) - xor a ; count - ld [hli], a - dec a ; terminator - ld [hl], a - ret - -GetQuantityOfItemInBag: ; f735 (3:7735) -; In: b = item ID -; Out: b = how many of that item are in the bag - call GetPredefRegisters - ld hl, wNumBagItems -.loop - inc hl - ld a, [hli] - cp $ff - jr z, .notInBag - cp b - jr nz, .loop - ld a, [hl] - ld b, a - ret -.notInBag - ld b, 0 - ret +INCLUDE "engine/get_bag_item_quantity.asm" -FindPathToPlayer: ; f74a (3:774a) - xor a - ld hl, hFindPathNumSteps - ld [hli], a ; hFindPathNumSteps - ld [hli], a ; hFindPathFlags - ld [hli], a ; hFindPathYProgress - ld [hl], a ; hFindPathXProgress - ld hl, wNPCMovementDirections2 - ld de, $0 -.loop - ld a, [hFindPathYProgress] - ld b, a - ld a, [hNPCPlayerYDistance] ; Y distance in steps - call CalcDifference - ld d, a - and a - jr nz, .asm_f76a - ld a, [hFindPathFlags] - set 0, a ; current end of path matches the player's Y coordinate - ld [hFindPathFlags], a -.asm_f76a - ld a, [hFindPathXProgress] - ld b, a - ld a, [hNPCPlayerXDistance] ; X distance in steps - call CalcDifference - ld e, a - and a - jr nz, .asm_f77c - ld a, [hFindPathFlags] - set 1, a ; current end of path matches the player's X coordinate - ld [hFindPathFlags], a -.asm_f77c - ld a, [hFindPathFlags] - cp $3 ; has the end of the path reached the player's position? - jr z, .done -; Compare whether the X distance between the player and the current of the path -; is greater or if the Y distance is. Then, try to reduce whichever is greater. - ld a, e - cp d - jr c, .yDistanceGreater -; x distance is greater - ld a, [hNPCPlayerRelativePosFlags] - bit 1, a - jr nz, .playerIsLeftOfNPC - ld d, NPC_MOVEMENT_RIGHT - jr .next1 -.playerIsLeftOfNPC - ld d, NPC_MOVEMENT_LEFT -.next1 - ld a, [hFindPathXProgress] - add 1 - ld [hFindPathXProgress], a - jr .storeDirection -.yDistanceGreater - ld a, [hNPCPlayerRelativePosFlags] - bit 0, a - jr nz, .playerIsAboveNPC - ld d, NPC_MOVEMENT_DOWN - jr .next2 -.playerIsAboveNPC - ld d, NPC_MOVEMENT_UP -.next2 - ld a, [hFindPathYProgress] - add 1 - ld [hFindPathYProgress], a -.storeDirection - ld a, d - ld [hli], a - ld a, [hFindPathNumSteps] - inc a - ld [hFindPathNumSteps], a - jp .loop -.done - ld [hl], $ff - ret - -CalcPositionOfPlayerRelativeToNPC: ; f7b9 (3:77b9) - xor a - ld [hNPCPlayerRelativePosFlags], a - ld a, [wSpriteStateData1 + 4] ; player's sprite screen Y position in pixels - ld d, a - ld a, [wSpriteStateData1 + 6] ; player's sprite screen X position in pixels - ld e, a - ld hl, wSpriteStateData1 - ld a, [hNPCSpriteOffset] - add l - add $4 - ld l, a - jr nc, .noCarry - inc h -.noCarry - ld a, d - ld b, a - ld a, [hli] ; NPC sprite screen Y position in pixels - call CalcDifference - jr nc, .NPCSouthOfOrAlignedWithPlayer -.NPCNorthOfPlayer - push hl - ld hl, hNPCPlayerRelativePosFlags - bit 0, [hl] - set 0, [hl] - pop hl - jr .divideYDistance -.NPCSouthOfOrAlignedWithPlayer - push hl - ld hl, hNPCPlayerRelativePosFlags - bit 0, [hl] - res 0, [hl] - pop hl -.divideYDistance - push hl - ld hl, hDividend2 - ld [hli], a - ld a, 16 - ld [hli], a - call DivideBytes ; divide Y absolute distance by 16 - ld a, [hl] ; quotient - ld [hNPCPlayerYDistance], a - pop hl - inc hl - ld b, e - ld a, [hl] ; NPC sprite screen X position in pixels - call CalcDifference - jr nc, .NPCEastOfOrAlignedWithPlayer -.NPCWestOfPlayer - push hl - ld hl, hNPCPlayerRelativePosFlags - bit 1, [hl] - set 1, [hl] - pop hl - jr .divideXDistance -.NPCEastOfOrAlignedWithPlayer - push hl - ld hl, hNPCPlayerRelativePosFlags - bit 1, [hl] - res 1, [hl] - pop hl -.divideXDistance - ld [hDividend2], a - ld a, 16 - ld [hDivisor2], a - call DivideBytes ; divide X absolute distance by 16 - ld a, [hQuotient2] - ld [hNPCPlayerXDistance], a - ld a, [hNPCPlayerRelativePosPerspective] - and a - ret z - ld a, [hNPCPlayerRelativePosFlags] - cpl - and $3 - ld [hNPCPlayerRelativePosFlags], a - ret - -ConvertNPCMovementDirectionsToJoypadMasks: ; f830 (3:7830) - ld a, [hNPCMovementDirections2Index] - ld [wNPCMovementDirections2Index], a - dec a - ld de, wSimulatedJoypadStatesEnd - ld hl, wNPCMovementDirections2 - add l - ld l, a - jr nc, .loop - inc h -.loop - ld a, [hld] - call ConvertNPCMovementDirectionToJoypadMask - ld [de], a - inc de - ld a, [hNPCMovementDirections2Index] - dec a - ld [hNPCMovementDirections2Index], a - jr nz, .loop - ret - -ConvertNPCMovementDirectionToJoypadMask: ; f84f (3:784f) - push hl - ld b, a - ld hl, NPCMovementDirectionsToJoypadMasksTable -.loop - ld a, [hli] - cp $ff - jr z, .done - cp b - jr z, .loadJoypadMask - inc hl - jr .loop -.loadJoypadMask - ld a, [hl] -.done - pop hl - ret - -NPCMovementDirectionsToJoypadMasksTable: ; f862 (3:7862) - db NPC_MOVEMENT_UP, D_UP - db NPC_MOVEMENT_DOWN, D_DOWN - db NPC_MOVEMENT_LEFT, D_LEFT - db NPC_MOVEMENT_RIGHT, D_RIGHT - db $ff - -; unreferenced - ret +INCLUDE "engine/overworld/npc_pathfinding.asm" INCLUDE "engine/hp_bar.asm" INCLUDE "engine/hidden_object_functions3.asm" |