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-rwxr-xr-xyellow/main.asm446
1 files changed, 444 insertions, 2 deletions
diff --git a/yellow/main.asm b/yellow/main.asm
index ed853b80..a7dc5827 100755
--- a/yellow/main.asm
+++ b/yellow/main.asm
@@ -344,10 +344,452 @@ IsPlayerStandingOnDoorTileOrWarpTile: ; c1e6 (3:41e6)
ret
INCLUDE "data/warp_tile_ids.asm"
+
PrintSafariZoneSteps: ; c27b (3:427b)
- dr $c27b,$c2d4
+ ld a, [W_CURMAP]
+ 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, [W_NUMSAFARIBALLS]
+ cp 10
+ jr nc, .numSafariBallsTwoDigits
+ coord hl, 5, 3
+ ld a, " "
+ ld [hl], a
+.numSafariBallsTwoDigits
+ coord hl, 6, 3
+ ld de, W_NUMSAFARIBALLS
+ 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)
- dr $c2d4,$cb62
+ ld a, [W_YCOORD]
+ ld d, a
+ ld a, [W_XCOORD]
+ 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, W_YCOORD
+ 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, [W_NUMSPRITES]
+ 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 Func_fce18
+ jr nc, .curMonNotPlayerPikachu
+ ld e, $3
+ callab Func_f0000
+ calladb_Func_f430a $9
+.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 ChangeBGPalColor0_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_Func_f430a $6
+.asm_c4de
+ ld hl, wd471
+ 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, [W_CURMAPTILESET]
+ add a
+ add a
+ ld e, a
+ ld hl, Tilesets
+ add hl, de
+ add hl, de
+ add hl, de
+ ld de, W_TILESETBANK
+ ld bc, $b
+ call CopyData
+ ld a, [hl]
+ ld [hTilesetType], a
+ xor a
+ ld [$ffd8], a
+ pop hl
+ ld a, [W_CURMAPTILESET]
+ push hl
+ push de
+ ld hl, DungeonTilesets
+ ld de, $1
+ call IsInArray
+ pop de
+ pop hl
+ jr c, .notDungeonTileset
+ ld a, [W_CURMAPTILESET]
+ ld b, a
+ ld a, [hPreviousTileset]
+ cp b
+ jr z, .done
+.notDungeonTileset
+ ld a, [wDestinationWarpID]
+ cp $ff
+ jr z, .done
+ call LoadDestinationWarpPosition
+ ld a, [W_YCOORD]
+ and $1
+ ld [W_YBLOCKCOORD], a
+ ld a, [W_XCOORD]
+ and $1
+ ld [W_XBLOCKCOORD], a
+.done
+ ret
+
+INCLUDE "data/dungeon_tilesets.asm"
+
+INCLUDE "data/tileset_headers.asm"
+
+IncrementDayCareMonExp: ; c684 (3:4684)
+ ld a, [W_DAYCARE_IN_USE]
+ 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 "data/hide_show_data.asm"
+
LoadWildData: ; cb62 (3:4b62)
dr $cb62,$d2ed
UseItem_: ; d2ed (3:52ed)