163 lines
5.2 KiB
C++
163 lines
5.2 KiB
C++
/*************************************************************************/
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/* voxel_gi.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef VOXEL_GI_H
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#define VOXEL_GI_H
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#include "scene/3d/visual_instance_3d.h"
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class VoxelGIData : public Resource {
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GDCLASS(VoxelGIData, Resource);
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RID probe;
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void _set_data(const Dictionary &p_data);
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Dictionary _get_data() const;
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Transform3D to_cell_xform;
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AABB bounds;
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Vector3 octree_size;
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float dynamic_range = 4.0;
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float energy = 1.0;
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float bias = 1.5;
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float normal_bias = 0.0;
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float propagation = 0.7;
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bool interior = false;
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bool use_two_bounces = false;
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protected:
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static void _bind_methods();
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public:
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void allocate(const Transform3D &p_to_cell_xform, const AABB &p_aabb, const Vector3 &p_octree_size, const Vector<uint8_t> &p_octree_cells, const Vector<uint8_t> &p_data_cells, const Vector<uint8_t> &p_distance_field, const Vector<int> &p_level_counts);
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AABB get_bounds() const;
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Vector3 get_octree_size() const;
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Vector<uint8_t> get_octree_cells() const;
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Vector<uint8_t> get_data_cells() const;
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Vector<uint8_t> get_distance_field() const;
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Vector<int> get_level_counts() const;
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Transform3D get_to_cell_xform() const;
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void set_dynamic_range(float p_range);
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float get_dynamic_range() const;
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void set_propagation(float p_propagation);
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float get_propagation() const;
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void set_energy(float p_energy);
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float get_energy() const;
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void set_bias(float p_bias);
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float get_bias() const;
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void set_normal_bias(float p_normal_bias);
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float get_normal_bias() const;
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void set_interior(bool p_enable);
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bool is_interior() const;
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void set_use_two_bounces(bool p_enable);
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bool is_using_two_bounces() const;
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virtual RID get_rid() const override;
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VoxelGIData();
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~VoxelGIData();
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};
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class VoxelGI : public VisualInstance3D {
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GDCLASS(VoxelGI, VisualInstance3D);
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public:
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enum Subdiv {
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SUBDIV_64,
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SUBDIV_128,
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SUBDIV_256,
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SUBDIV_512,
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SUBDIV_MAX
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};
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typedef void (*BakeBeginFunc)(int);
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typedef void (*BakeStepFunc)(int, const String &);
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typedef void (*BakeEndFunc)();
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private:
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Ref<VoxelGIData> probe_data;
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RID voxel_gi;
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Subdiv subdiv = SUBDIV_128;
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Vector3 extents = Vector3(10, 10, 10);
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struct PlotMesh {
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Ref<Material> override_material;
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Vector<Ref<Material>> instance_materials;
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Ref<Mesh> mesh;
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Transform3D local_xform;
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};
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void _find_meshes(Node *p_at_node, List<PlotMesh> &plot_meshes);
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void _debug_bake();
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protected:
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static void _bind_methods();
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public:
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static BakeBeginFunc bake_begin_function;
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static BakeStepFunc bake_step_function;
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static BakeEndFunc bake_end_function;
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void set_probe_data(const Ref<VoxelGIData> &p_data);
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Ref<VoxelGIData> get_probe_data() const;
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void set_subdiv(Subdiv p_subdiv);
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Subdiv get_subdiv() const;
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void set_extents(const Vector3 &p_extents);
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Vector3 get_extents() const;
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Vector3i get_estimated_cell_size() const;
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void bake(Node *p_from_node = nullptr, bool p_create_visual_debug = false);
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virtual AABB get_aabb() const override;
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virtual Vector<Face3> get_faces(uint32_t p_usage_flags) const override;
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TypedArray<String> get_configuration_warnings() const override;
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VoxelGI();
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~VoxelGI();
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};
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VARIANT_ENUM_CAST(VoxelGI::Subdiv)
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#endif // VOXEL_GI_H
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