90 lines
3.4 KiB
Python
90 lines
3.4 KiB
Python
"""
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RenderPipeline
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Copyright (c) 2014-2016 tobspr <tobias.springer1@gmail.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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"""
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import math
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from panda3d.core import Vec3
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from rpcore.pluginbase.base_plugin import BasePlugin
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from .scattering_stage import ScatteringStage
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from .scattering_envmap_stage import ScatteringEnvmapStage
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from .godray_stage import GodrayStage
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class Plugin(BasePlugin):
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name = "Atmospheric Scattering"
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author = "tobspr <tobias.springer1@gmail.com>"
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description = ("This plugin adds support for Atmospheric Scattering, and a "
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"single sun, based on the work from Eric Bruneton. It also "
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"adds support for atmospheric fog.")
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version = "1.2"
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def on_pipeline_created(self):
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self.scattering_model.load()
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self.scattering_model.compute()
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def on_stage_setup(self):
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self.display_stage = self.create_stage(ScatteringStage)
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self.envmap_stage = self.create_stage(ScatteringEnvmapStage)
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if self.get_setting("enable_godrays"):
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self.godray_stage = self.create_stage(GodrayStage)
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# Load scattering method
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method = self.get_setting("scattering_method")
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self.debug("Loading scattering method for '" + method + "'")
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if method == "eric_bruneton":
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from .scattering_methods import ScatteringMethodEricBruneton
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self.scattering_model = ScatteringMethodEricBruneton(self)
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elif method == "hosek_wilkie":
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from .scattering_methods import ScatteringMethodHosekWilkie
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self.scattering_model = ScatteringMethodHosekWilkie(self) # noqa # pylint: disable=redefined-variable-type
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else:
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self.error("Unrecognized scattering method!")
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@property
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def sun_vector(self):
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""" Returns the sun vector """
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sun_altitude = self.get_daytime_setting("sun_altitude")
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sun_azimuth = self.get_daytime_setting("sun_azimuth")
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theta = (90 - sun_altitude) / 180.0 * math.pi
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phi = sun_azimuth / 180.0 * math.pi
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sun_vector = Vec3(
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math.sin(theta) * math.cos(phi),
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math.sin(theta) * math.sin(phi),
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math.cos(theta))
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return sun_vector
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def on_pre_render_update(self):
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self.envmap_stage.active = self._pipeline.task_scheduler.is_scheduled(
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"scattering_update_envmap")
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def on_shader_reload(self):
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self.scattering_model.compute()
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