def get_shader_code_from_file(filename: str) -> str | None:
if not filename:
return None
if filename in filename_to_code_map:
return filename_to_code_map[filename]
try:
filepath = find_file(
filename,
directories=[get_shader_dir(), "/"],
extensions=[],
)
except IOError:
return None
with open(filepath, "r") as f:
result = f.read()
# To share functionality between shaders, some functions are read in
# from other files an inserted into the relevant strings before
# passing to ctx.program for compiling
# Replace "#INSERT " lines with relevant code
insertions = re.findall(r"^#INSERT .*\.glsl$", result, flags=re.MULTILINE)
for line in insertions:
inserted_code = get_shader_code_from_file(
os.path.join("inserts", line.replace("#INSERT ", "")))
result = result.replace(line, inserted_code)
filename_to_code_map[filename] = result
return result
def get_full_sound_file_path(sound_file_name):
return find_file(sound_file_name,
directories=[get_sound_dir()],
extensions=[".wav", ".mp3"])
def get_full_raster_image_path(image_file_name):
return find_file(image_file_name,
directories=[get_raster_image_dir()],
extensions=[".jpg", ".png", ".gif"])
def get_full_vector_image_path(image_file_name):
return find_file(
image_file_name,
directories=[get_vector_image_dir()],
extensions=[".svg", ".xdv"],
)
