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