godot/scene/3d/voxel_gi.h

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/*************************************************************************/
/* 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
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#include "scene/3d/visual_instance_3d.h"
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class VoxelGIData : public Resource {
GDCLASS(VoxelGIData, Resource);
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RID probe;
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void _set_data(const Dictionary &p_data);
Dictionary _get_data() const;
Transform3D to_cell_xform;
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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;
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protected:
static void _bind_methods();
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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);
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AABB get_bounds() const;
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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;
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void set_dynamic_range(float p_range);
float get_dynamic_range() const;
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void set_propagation(float p_propagation);
float get_propagation() const;
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void set_energy(float p_energy);
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;
void set_interior(bool p_enable);
bool is_interior() const;
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void set_use_two_bounces(bool p_enable);
bool is_using_two_bounces() const;
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virtual RID get_rid() const override;
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VoxelGIData();
~VoxelGIData();
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};
class VoxelGI : public VisualInstance3D {
GDCLASS(VoxelGI, VisualInstance3D);
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public:
enum Subdiv {
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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;
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RID voxel_gi;
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Subdiv subdiv = SUBDIV_128;
Vector3 extents = Vector3(10, 10, 10);
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struct PlotMesh {
Ref<Material> override_material;
Vector<Ref<Material>> instance_materials;
Ref<Mesh> mesh;
Transform3D local_xform;
};
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void _find_meshes(Node *p_at_node, List<PlotMesh> &plot_meshes);
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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;
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void set_subdiv(Subdiv p_subdiv);
Subdiv get_subdiv() const;
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;
virtual Vector<Face3> get_faces(uint32_t p_usage_flags) const override;
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TypedArray<String> get_configuration_warnings() const override;
VoxelGI();
~VoxelGI();
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};
VARIANT_ENUM_CAST(VoxelGI::Subdiv)
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#endif // VOXEL_GI_H