ref: 21c266b950e5f4379bb7c3f605689b9070c8f48d
dir: /engine/overworld/ledges.asm/
HandleLedges:: ld a, [wd736] bit 6, a ; already jumping down ledge ret nz ld a, [wCurMapTileset] and a ; OVERWORLD ret nz predef GetTileAndCoordsInFrontOfPlayer ld a, [wSpritePlayerStateData1FacingDirection] ld b, a lda_coord 8, 9 ld c, a ld a, [wTileInFrontOfPlayer] ld d, a ld hl, LedgeTiles .loop ld a, [hli] cp $ff ret z cp b jr nz, .nextLedgeTile1 ld a, [hli] cp c jr nz, .nextLedgeTile2 ld a, [hli] cp d jr nz, .nextLedgeTile3 ld a, [hl] ld e, a jr .foundMatch .nextLedgeTile1 inc hl .nextLedgeTile2 inc hl .nextLedgeTile3 inc hl jr .loop .foundMatch ldh a, [hJoyHeld] and e ret z ld a, $ff ld [wJoyIgnore], a ld hl, wd736 set 6, [hl] ; jumping down ledge call StartSimulatingJoypadStates ld a, e ld [wSimulatedJoypadStatesEnd], a ld [wSimulatedJoypadStatesEnd + 1], a ld a, $2 ld [wSimulatedJoypadStatesIndex], a call LoadHoppingShadowOAM ld a, SFX_LEDGE call PlaySound ret INCLUDE "data/tilesets/ledge_tiles.asm" LoadHoppingShadowOAM: ld hl, vChars1 tile $7f ld de, LedgeHoppingShadow lb bc, BANK(LedgeHoppingShadow), (LedgeHoppingShadowEnd - LedgeHoppingShadow) / $8 call CopyVideoDataDouble ld a, $9 lb bc, $54, $48 ; b, c = y, x coordinates of shadow ld de, LedgeHoppingShadowOAM call WriteOAMBlock ret LedgeHoppingShadow: INCBIN "gfx/overworld/shadow.1bpp" LedgeHoppingShadowEnd: LedgeHoppingShadowOAM: dbsprite 2, -1, 0, 7, $ff, OAM_HFLIP dbsprite 8, -1, 0, 7, $ff, OAM_HFLIP | OAM_VFLIP