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Diffstat (limited to 'scene/3d/voxel_gi.h')
| -rw-r--r-- | scene/3d/voxel_gi.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/scene/3d/voxel_gi.h b/scene/3d/voxel_gi.h new file mode 100644 index 0000000000..5d0dda1ba3 --- /dev/null +++ b/scene/3d/voxel_gi.h @@ -0,0 +1,162 @@ +/*************************************************************************/ +/* 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 |