def setup(self) -> Generator[float, None, None]:
"""Create and bind the atlas texture."""
if self._image is None:
atlas_iter = textureatlas.create_atlas(
self._resource_pack.textures)
try:
while True:
yield next(atlas_iter)
except StopIteration as e:
(
self._image,
self._texture_bounds,
self._image_width,
self._image_height,
) = e.value
def _create_atlas(self) -> Generator[float, None, None]:
"""Create and bind the atlas texture."""
atlas_iter = textureatlas.create_atlas(self._resource_pack.textures)
try:
while True:
yield next(atlas_iter)
except StopIteration as e:
texture_atlas, self._texture_bounds, width, height = e.value
glBindTexture(GL_TEXTURE_2D, self._gl_texture_atlas)
glTexImage2D(
GL_TEXTURE_2D,
0,
GL_RGBA,
width,
height,
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
texture_atlas,
)
glBindTexture(GL_TEXTURE_2D, 0)
log.info("Finished setting up texture atlas in OpenGL")