112 lines
4.8 KiB
Python
112 lines
4.8 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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from panda3d.core import PTAInt
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from rpcore.globals import Globals
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from rpcore.util.shader_input_blocks import SimpleInputBlock
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from rpcore.pluginbase.base_plugin import BasePlugin
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from rpcore.stages.cull_lights_stage import CullLightsStage
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from .probe_manager import ProbeManager
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from .environment_capture_stage import EnvironmentCaptureStage
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from .apply_envprobes_stage import ApplyEnvprobesStage
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from .cull_probes_stage import CullProbesStage
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class Plugin(BasePlugin):
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name = "Environment Probes"
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author = "tobspr <tobias.springer1@gmail.com>"
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description = ("This plugin adds support for environment probes, containing "
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"diffuse and specular information. This enables accurate "
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"reflections, and can also be used to simulate GI.")
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version = "beta (!)"
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def on_stage_setup(self):
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self.probe_mgr = ProbeManager()
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self.probe_mgr.resolution = self.get_setting("probe_resolution")
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self.probe_mgr.diffuse_resolution = self.get_setting("diffuse_probe_resolution")
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self.probe_mgr.max_probes = self.get_setting("max_probes")
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self.probe_mgr.init()
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self._setup_stages()
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def _setup_stages(self):
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""" Setups all stages """
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# Create the stage to generate and update the cubemaps
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self.capture_stage = self.create_stage(EnvironmentCaptureStage)
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self.capture_stage.resolution = self.probe_mgr.resolution
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self.capture_stage.diffuse_resolution = self.probe_mgr.diffuse_resolution
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self.capture_stage.storage_tex = self.probe_mgr.cubemap_storage
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self.capture_stage.storage_tex_diffuse = self.probe_mgr.diffuse_storage
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# Create the stage to cull the cubemaps
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self.cull_stage = self.create_stage(CullProbesStage)
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# Create the stage to apply the cubemaps
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self.apply_stage = self.create_stage(ApplyEnvprobesStage)
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if self.is_plugin_enabled("scattering"):
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self.capture_stage.required_pipes += ["ScatteringIBLSpecular", "ScatteringIBLDiffuse"]
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if self.is_plugin_enabled("pssm"):
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self.capture_stage.required_pipes += ["PSSMSceneSunShadowMapPCF"]
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self.capture_stage.required_inputs += ["PSSMSceneSunShadowMVP"]
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self._setup_inputs()
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def _setup_inputs(self):
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""" Sets all required inputs """
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self.pta_probes = PTAInt.empty_array(1)
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# Construct the UBO which stores all environment probe data
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self.data_ubo = SimpleInputBlock("EnvProbes")
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self.data_ubo.add_input("num_probes", self.pta_probes)
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self.data_ubo.add_input("cubemaps", self.probe_mgr.cubemap_storage)
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self.data_ubo.add_input("diffuse_cubemaps", self.probe_mgr.diffuse_storage)
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self.data_ubo.add_input("dataset", self.probe_mgr.dataset_storage)
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self._pipeline.stage_mgr.input_blocks.append(self.data_ubo)
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# Use the UBO in light culling
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CullLightsStage.required_inputs.append("EnvProbes")
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def on_pre_render_update(self):
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if self._pipeline.task_scheduler.is_scheduled("envprobes_select_and_cull"):
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self.probe_mgr.update()
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self.pta_probes[0] = self.probe_mgr.num_probes
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probe = self.probe_mgr.find_probe_to_update()
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if probe:
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probe.last_update = Globals.clock.get_frame_count()
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self.capture_stage.active = True
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self.capture_stage.set_probe(probe)
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if self.is_plugin_enabled("pssm"):
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self.get_plugin_instance("pssm").scene_shadow_stage.request_focus(
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probe.bounds.get_center(), probe.bounds.get_radius()
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)
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else:
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self.capture_stage.active = False
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