def update_cache(self, lcd):
if self.clearcache:
self.tiles_changed.clear()
for x in range(0x8000, 0x9800, 16):
self.tiles_changed.add(x)
self.clearcache = False
for t in self.tiles_changed:
for k in range(0, 16, 2): # 2 bytes for each line
byte1 = lcd.VRAM[t + k - 0x8000]
byte2 = lcd.VRAM[t + k + 1 - 0x8000]
y = (t + k - 0x8000) // 2
for x in range(8):
colorcode = color_code(byte1, byte2, 7 - x)
self._tilecache[y][x] = self.color_palette[
lcd.BGP.getcolor(colorcode)]
self._spritecache0[y][x] = self.color_palette[
lcd.OBP0.getcolor(colorcode)]
self._spritecache1[y][x] = self.color_palette[
lcd.OBP1.getcolor(colorcode)]
if colorcode == 0:
self._spritecache0[y][x] &= ~self.alphamask
self._spritecache1[y][x] &= ~self.alphamask
self.tiles_changed.clear()
def image_data(self):
"""
Use this function to get the raw tile data. The data is a `memoryview` corresponding to 8x8 pixels in RGBA
colors.
Be aware, that the graphics for this tile can change between each call to `pyboy.PyBoy.tick`.
Returns
-------
memoryview :
Image data of tile in 8x8 pixels and RGBA colors.
"""
data = np.zeros((8, 8), dtype=np.uint32)
# Converting from RGBA to ABGR
color_palette = [(x >> 8) | 0xFF000000
for x in self.mb.renderer.color_palette]
for k in range(0, 16, 2): # 2 bytes for each line
byte1 = self.mb.lcd.VRAM[self.data_address + k - VRAM_OFFSET]
byte2 = self.mb.lcd.VRAM[self.data_address + k + 1 - VRAM_OFFSET]
for x in range(8):
colorcode = color_code(byte1, byte2, 7 - x)
data[k //
2][x] = color_palette[self.mb.lcd.BGP.getcolor(colorcode)]
return data
def update_tiles(self, lcd, tiles_changed, bank):
for t in tiles_changed:
for k in range(0, 16, 2): # 2 bytes for each line
byte1 = lcd.getVRAMbank(t + k, bank)
byte2 = lcd.getVRAMbank(t + k + 1, bank)
y = (t + k - 0x8000) // 2
for x in range(8):
#index into the palette for the current pixel
colorcode = color_code(byte1, byte2, 7 - x)
if bank:
self._col_index1[y][x] = colorcode
else:
self._col_index0[y][x] = colorcode
# update for the 8 palettes
for p in range(8):
if bank:
self._tilecache1[p][y][x] = self.convert_to_rgba(
lcd.bcpd.getcolor(p, colorcode))
self._spritecache1[p][y][x] = self.convert_to_rgba(
lcd.ocpd.getcolor(p, colorcode))
else:
self._tilecache0[p][y][x] = self.convert_to_rgba(
lcd.bcpd.getcolor(p, colorcode))
self._spritecache0[p][y][x] = self.convert_to_rgba(
lcd.ocpd.getcolor(p, colorcode))
# first color transparent for sprites
if colorcode == 0:
if bank:
self._spritecache1[p][y][x] &= ~self.alphamask
else:
self._spritecache0[p][y][x] &= ~self.alphamask