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SMTTextureDecoder
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Added support for files with more than 1 texture
This commit is contained in:
katboi01 2025-02-15 15:42:32 +08:00
parent bf86ede0d2
commit 9b437b610b
1 changed files with 36 additions and 25 deletions
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61
decode.py
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@ -4,42 +4,53 @@ import UnityPy
from PIL import Image from PIL import Image
#made by Katboi01 #made by Katboi01
def convert(in_path, out_path): def convert(in_path, out_path, file_name):
env = UnityPy.load(in_path) env = UnityPy.load(os.path.join(in_path, file_name))
textures = []
for obj in env.objects: for obj in env.objects:
if obj.type.name == "Texture2D": if obj.type.name == "Texture2D":
data = obj.read() textures.append(obj)
im : Image = data.image
width, height = im.size
left = int((width - 2) * 0.8) if len(textures) > 1:
out_path = os.path.join(out_path, file_name)
os.makedirs(out_path, exist_ok=True)
im1 = im.crop((0, 0, left, height)) for idx, obj in enumerate(textures):
im1_array = np.asarray(im1, dtype=np.float32) / 255 try:
data = obj.read()
y_channel = im1_array[:, :, 0] im : Image = data.image
alpha_channel = im1_array[:, :, 2] width, height = im.size
im2 = im.crop((left+2, 0, width, height)).resize((left, height), Image.NEAREST) left = int((width - 2) * 0.8)
im2_array = np.asarray(im2, dtype=np.float32) / 255
cr_channel = im2_array[:, :, 0] im1 = im.crop((0, 0, left, height))
cb_channel = im2_array[:, :, 2] im1_array = np.asarray(im1, dtype=np.float32) / 255
y_channel = im1_array[:, :, 0]
alpha_channel = im1_array[:, :, 2]
cr_channel -= 0.5 im2 = im.crop((left+2, 0, width, height)).resize((left, height), Image.NEAREST)
cb_channel -= 0.5 im2_array = np.asarray(im2, dtype=np.float32) / 255
r_channel = np.clip(y_channel + (1.402 * cr_channel), 0, 1) cr_channel = im2_array[:, :, 0]
g_channel = np.clip(y_channel + (-0.344136 * cb_channel) + (-0.714136 * cr_channel), 0, 1) cb_channel = im2_array[:, :, 2]
b_channel = np.clip(y_channel + (1.772 * cb_channel), 0, 1)
new_image = np.stack([r_channel, g_channel, b_channel, alpha_channel], axis=-1) cr_channel -= 0.5
new_image = (new_image * 255).astype(np.uint8) cb_channel -= 0.5
result = Image.fromarray(new_image) r_channel = np.clip(y_channel + (1.402 * cr_channel), 0, 1)
g_channel = np.clip(y_channel + (-0.344136 * cb_channel) + (-0.714136 * cr_channel), 0, 1)
b_channel = np.clip(y_channel + (1.772 * cb_channel), 0, 1)
result.save(out_path, format="PNG") new_image = np.stack([r_channel, g_channel, b_channel, alpha_channel], axis=-1)
new_image = (new_image * 255).astype(np.uint8)
result = Image.fromarray(new_image)
result.save(os.path.join(out_path, data.m_Name + ".png"), format="PNG")
except Exception as e:
print(f"Failed to extract ({idx}/{len(textures)}) from {file_name}", e)
def main(): def main():
in_path = "decoder_in" in_path = "decoder_in"
@ -54,6 +65,6 @@ def main():
for _, _, files in os.walk(in_path): for _, _, files in os.walk(in_path):
for name in files: for name in files:
print(name) print(name)
convert(os.path.join(in_path, name), os.path.join(out_path, name)) convert(in_path, out_path, name)
main() main()