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run_game.py
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import math
import sys
import os
from direct.showbase.ShowBase import ShowBase
import panda3d
import pman
import pman.shim
from gamelib import renderer
from gamelib.util import srgb_color
# States
from gamelib.universe import Universe
from gamelib.mainmenu import MainMenu
from gamelib.cutscene import IntroCutscene, EndingCutscene
from gamelib.optionmenu import OptionMenu
from gamelib.endstate import EndState
GAME_STATES = {
'Universe': Universe,
'MainMenu': MainMenu,
'IntroCutscene': IntroCutscene,
'EndingCutscene': EndingCutscene,
'OptionMenu': OptionMenu,
'End': EndState,
}
panda3d.core.load_prc_file(
panda3d.core.Filename.expand_from('$MAIN_DIR/settings.prc')
)
USER_CONFIG_PATH = panda3d.core.Filename.expand_from(
'$MAIN_DIR/user.prc'
)
if USER_CONFIG_PATH.exists():
panda3d.core.load_prc_file(USER_CONFIG_PATH)
class GameApp(ShowBase):
def __init__(self):
ShowBase.__init__(self)
pman.shim.init(self)
potato_mode = panda3d.core.ConfigVariableBool('potato-mode', False).get_value()
self.set_background_color(srgb_color(0x292931))
self.luttex = self.load_lut('lut.png')
self.render_pipeline = renderer.Pipeline(
lut_texture=self.luttex,
)
self.set_graphics_quality(potato_mode)
if panda3d.core.ConfigVariableBool('esc-to-exit', False).get_value():
self.accept('escape', sys.exit)
self.render.set_shader_inputs(uv_shift=(0.0, 0.0))
self.camLens.set_fov(30)
# Get volume levels from config
self.musicManager.set_volume(
panda3d.core.ConfigVariableDouble('audio-music-volume', 1.0).get_value()
)
self.sfxManagerList[0].set_volume(
panda3d.core.ConfigVariableDouble('audio-sfx-volume', 1.0).get_value()
)
self.bgm_name = None
self.transitions.fadeScreen(1.0)
profile_mode = panda3d.core.ConfigVariableBool('profile-mode', False).get_value()
if profile_mode:
import random
random.seed(0)
skip_main_menu = panda3d.core.ConfigVariableBool('skip-main-menu', False).get_value()
self.gamestate = None
if skip_main_menu:
self.change_state('Universe')
else:
self.change_state('MainMenu')
self.accept('f1', self.screenshot)
def save_lut_screen():
self.screenshot(embedLUT=True)
self.accept('f2', save_lut_screen)
self.accept('f3', self.toggle_wireframe)
if not pman.is_frozen():
try:
import limeade # pylint:disable=import-outside-toplevel
self.accept('f5', self.refresh)
except ImportError:
print(
'Warning: Could not import limeade, module hot-reload will be unavailble'
)
self.accept('shift-l', self.render.ls)
self.accept('shift-a', self.render.analyze)
self.disable_mouse()
self.setCursor(False)
self.accept('mouse1', self.setCursor, [True])
self.accept('mouse1-up', self.setCursor, [False])
self.accept('reset_cursor', self.setCursor, [False])
self.task_mgr.add(self.__update)
def set_graphics_quality(self, is_low):
rpipe = self.render_pipeline
rpipe.enable_shadows = not is_low
def refresh(self):
import limeade
limeade.refresh()
panda3d.core.ModelPool.release_all_models()
for root in self.render.find_all_matches("**/+ModelRoot"):
if root.node().fullpath:
root.node().remove_all_children()
model = loader.load_model(root.node().fullpath)
root.node().steal_children(model.node())
def set_bgm(self, bgm, loop=True, play_rate=1.0):
if self.bgm_name != bgm:
self.bgm_name = bgm
bgmpath = f'music/{bgm}.ogg'
self.bgm_audio = self.loader.load_music(bgmpath)
self.bgm_audio.set_loop(loop)
self.bgm_audio.set_play_rate(play_rate)
self.bgm_audio.play()
def __update(self, task):
self.gamestate.update(globalClock.dt)
return task.cont
def change_state(self, next_state, state_args=None):
state_args = state_args if state_args is not None else []
if self.gamestate:
self.gamestate.cleanup()
self.gamestate = GAME_STATES[next_state](*state_args)
def load_lut(self, filename):
path = panda3d.core.Filename(filename)
vfs = panda3d.core.VirtualFileSystem.get_global_ptr()
failed = (
not vfs.resolve_filename(path, panda3d.core.get_model_path().value)
or not path.is_regular_file()
)
if failed:
raise RuntimeError('Failed to find file {}'.format(filename))
image = panda3d.core.PNMImage(path)
lutdim = 64
xsize, ysize = image.get_size()
tiles_per_row = xsize // lutdim
num_rows = math.ceil(lutdim / tiles_per_row)
ysize -= num_rows * lutdim
texture = panda3d.core.Texture()
texture.setup_3d_texture(
lutdim, lutdim, lutdim,
panda3d.core.Texture.T_unsigned_byte,
panda3d.core.Texture.F_rgb8
)
for tileidx in range(lutdim):
xstart = tileidx % tiles_per_row * lutdim
ystart = tileidx // tiles_per_row * lutdim + ysize
islice = panda3d.core.PNMImage(lutdim, lutdim, 3, 255)
islice.copy_sub_image(image, 0, 0, xstart, ystart, lutdim, lutdim)
# XXX should write these values out correctly when saving/embedding
islice.flip(False, True, False)
texture.load(islice, tileidx, 0)
return texture
def setCursor(self, clicked):
if clicked:
x11Cur = os.path.join("cursor", "cursorClick.x11")
winCur = os.path.join("cursor", "cursorClick.cur")
else:
x11Cur = os.path.join("cursor", "cursorNormal.x11")
winCur = os.path.join("cursor", "cursorNormal.cur")
base.win.clearRejectedProperties()
props = panda3d.core.WindowProperties()
# check for the os and set the specific cursor file
if sys.platform.startswith('linux'):
props.setCursorFilename(x11Cur)
else:
props.setCursorFilename(winCur)
base.win.requestProperties(props)
def screenshot(self, *args, embedLUT=False, **kwargs): # pylint:disable=invalid-name, arguments-differ
filename = super().screenshot(*args, **kwargs)
if not embedLUT or not filename:
return filename
lutdim = 64
stepsize = 256 // lutdim
image = panda3d.core.PNMImage(filename)
xsize, ysize = image.get_size()
tiles_per_row = xsize // lutdim
num_rows = math.ceil(lutdim / tiles_per_row)
image.expand_border(0, 0, num_rows * 64, 0, (0, 0, 0, 1))
steps = list(range(0, 256, stepsize))
for tileidx, bcol in enumerate(steps):
xbase = tileidx % tiles_per_row * lutdim
ybase = tileidx // tiles_per_row * lutdim + ysize
for xoff, rcol in enumerate(steps):
xcoord = xbase + xoff
for yoff, gcol in enumerate(steps):
ycoord = ybase + yoff
image.set_xel_val(xcoord, ycoord, (rcol, gcol, bcol))
image.write(filename)
return filename
def main():
app = GameApp()
app.run()
if __name__ == '__main__':
main()