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feat: surfing minigame overhaul + authentic Game Corner rendering

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Surfing minigame:
- Add title screen (ROUTINE_TITLE) with Pikachu intro, logo banner, instructions
- Add GLSL HBlank wave distortion shader, OAM water spray/splash sprites
- Add multi-path asset loader, isMinigame/isFixedSpeed flags, crash recovery fixes
- Extract SurfingPikachu graphics + composite title_bg.png from ROM

Game Corner (built visual layer from ROM assets; logic existed, rendering was placeholder):
- SlotMachine: GBC tilemap background, authentic reel symbol sprites, Golem/Chansey
  near-miss animations, lit/unlit lights, payout panel
- CardFlip: GBC tilemap board, hardware-accurate card flip sequence, OAM cursor frame
- RomExtractorGen2: extract slots + card_flip sprite sheets and tilemaps

Tests: SurfingMinigame units 8-13; 500-spin SlotMachine and 500-hand CardFlip stress tests
This commit is contained in:
1jamie
2026-08-19 18:06:18 -05:00
parent 9713977755
commit f0d3c014a7
9 changed files with 1841 additions and 342 deletions
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tools/build_rom_data.py
+42 -2
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@@ -2037,8 +2037,48 @@ def extract_field(rom, symbols, manifest, out_dir, assets_dir):
_decode_2bpp(bytes(reordered), 40, 16),
os.path.join(assets_dir, "credits/the_end.png"))
raw_2bpp(
"WorldMapTileGraphics", 32, 32, "townmap/tiles.png")
if _has_symbol(symbols, "SurfingPikachu1Graphics1"):
raw_2bpp("SurfingPikachu1Graphics1", 40, 104, "minigame/surf_1a.png", transparent=False)
raw_2bpp("SurfingPikachu1Graphics2", 128, 128, "minigame/surf_1b.png", transparent=True)
raw_2bpp("SurfingPikachu1Graphics3", 96, 96, "minigame/surf_1c.png", transparent=True)
beach_intro = rom.bytes(62, 0x50bc, 240)
use_ctrl_pad = rom.bytes(62, 0x51ac, 15)
to_surf_rad = rom.bytes(62, 0x51bb, 13)
title_map = rom.bytes(62, 0x51c8, 72)
screen = [0xff] * (20 * 18)
for i in range(240):
screen[6 * 20 + i] = beach_intro[i]
for r in range(6):
for c in range(12):
screen[r * 20 + (4 + c)] = title_map[r * 12 + c]
for r in range(3):
for c in range(15):
screen[(7 + r) * 20 + (3 + c)] = 0xff
for i in range(15):
screen[7 * 20 + 3 + i] = use_ctrl_pad[i]
for i in range(13):
screen[9 * 20 + 4 + i] = to_surf_rad[i]
sym3 = _symbol(symbols, "SurfingPikachu1Graphics3")
raw_gfx3 = rom.bytes(sym3.bank, sym3.address, 144 * 16)
tiles = [_decode_2bpp(raw_gfx3[i*16:(i+1)*16], 8, 8) for i in range(144)]
blank = Image.new("RGBA", (8, 8), (255, 255, 255, 255))
title_bg = Image.new("RGBA", (160, 144), (255, 255, 255, 255))
for r in range(18):
for c in range(20):
t_id = screen[r * 20 + c]
if t_id == 0xff:
tile_img = blank
elif t_id >= 0x80:
idx = t_id - 0x80
tile_img = tiles[idx] if idx < 144 else blank
else:
idx = 128 + t_id
tile_img = tiles[idx] if idx < 144 else blank
title_bg.paste(tile_img, (c * 8, r * 8))
_save_png(title_bg, os.path.join(assets_dir, "minigame/title_bg.png"))
raw_2bpp("WorldMapTileGraphics", 32, 32, "townmap/tiles.png")
raw_1bpp(
"TownMapCursor", 16, 16, "townmap/cursor.png",
transparent=True)