def __init__(self, filename):
self._pak = Pak(filename)
# loaded sprites (with image data loaded in RAM)
self._sprites = dict()
# textures loaded in VRAM (texture index -> texture, postiion)
self._textures = dict()
class PakManager:
def __init__(self, filename):
self._pak = Pak(filename)
# loaded sprites (with image data loaded in RAM)
self._sprites = dict()
# textures loaded in VRAM (texture index -> texture, postiion)
self._textures = dict()
def __del__(self):
self._pak.close()
def __getitem__(self, index):
# make sure the texture is loaded and return it
return self.load(index)
def load(self, index):
# load the texture (if not already loaded) and return it
#
# index meaning:
# --------------
# with crop: 256 + sprite_index * 256 + frame_index
# without crop: sprite_index
#
# WARNING: recent change, an entire image return a list of frame
# return the texture if already loaded
if index in self._textures:
return self._textures[index]
# entire image
if index < 256:
sprite_index = index
# load the sprite (if not already done) and get it
sprite = self._load_sprite(sprite_index)
sprite.image.create_mask_from_color(sprite.color)
texture = sf.Texture.from_image(sprite.image)
position = []
for frame in sprite:
position.append(frame)
# crop image
else:
sprite_index = (index - 256) // 256
frame_index = index % 256
# load the sprite (if not already done) and get it
sprite = self._load_sprite(sprite_index)
x, y, w, h, offset = sprite.frames[frame_index]
texture = sf.Texture.from_image(sprite.image, (x, y, w, h))
position = offset
self._textures[index] = (texture, position)
return self._textures[index]
def unload(self, index):
del self._textures[index]
def free_memory(self):
self._sprites.clear()
def _load_sprite(self, index):
# load a sprite (if not already loaded) and return it
if index not in self._sprites:
self._sprites[index] = self._pak[index].load()
return self._sprites[index]