godot/scene/3d/baked_lightmap.h

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/*************************************************************************/
/* baked_lightmap.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 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 BAKED_INDIRECT_LIGHT_H
#define BAKED_INDIRECT_LIGHT_H
#include "multimesh_instance.h"
#include "scene/3d/light.h"
#include "scene/3d/visual_instance.h"
class BakedLightmapData : public Resource {
GDCLASS(BakedLightmapData, Resource);
RID baked_light;
AABB bounds;
float energy;
int cell_subdiv;
Transform cell_space_xform;
struct User {
NodePath path;
Ref<Texture2D> lightmap;
int instance_index;
};
Vector<User> users;
void _set_user_data(const Array &p_data);
Array _get_user_data() const;
protected:
static void _bind_methods();
public:
void set_bounds(const AABB &p_bounds);
AABB get_bounds() const;
void set_octree(const PoolVector<uint8_t> &p_octree);
PoolVector<uint8_t> get_octree() const;
void set_cell_space_transform(const Transform &p_xform);
Transform get_cell_space_transform() const;
void set_cell_subdiv(int p_cell_subdiv);
int get_cell_subdiv() const;
void set_energy(float p_energy);
float get_energy() const;
void add_user(const NodePath &p_path, const Ref<Texture2D> &p_lightmap, int p_instance = -1);
int get_user_count() const;
NodePath get_user_path(int p_user) const;
Ref<Texture2D> get_user_lightmap(int p_user) const;
int get_user_instance(int p_user) const;
void clear_users();
virtual RID get_rid() const;
BakedLightmapData();
~BakedLightmapData();
};
class BakedLightmap : public VisualInstance {
GDCLASS(BakedLightmap, VisualInstance);
public:
enum BakeQuality {
BAKE_QUALITY_LOW,
BAKE_QUALITY_MEDIUM,
BAKE_QUALITY_HIGH
};
enum BakeMode {
BAKE_MODE_CONE_TRACE,
BAKE_MODE_RAY_TRACE,
};
enum BakeError {
BAKE_ERROR_OK,
BAKE_ERROR_NO_SAVE_PATH,
BAKE_ERROR_NO_MESHES,
BAKE_ERROR_CANT_CREATE_IMAGE,
BAKE_ERROR_USER_ABORTED
};
typedef void (*BakeBeginFunc)(int);
typedef bool (*BakeStepFunc)(int, const String &);
typedef void (*BakeEndFunc)();
private:
float bake_cell_size;
float capture_cell_size;
Vector3 extents;
float bake_default_texels_per_unit;
float propagation;
float energy;
BakeQuality bake_quality;
BakeMode bake_mode;
bool hdr;
String image_path;
Ref<BakedLightmapData> light_data;
struct PlotMesh {
Ref<Material> override_material;
Vector<Ref<Material> > instance_materials;
Ref<Mesh> mesh;
Transform local_xform;
NodePath path;
int instance_idx;
};
struct PlotLight {
Light *light;
Transform local_xform;
};
void _find_meshes_and_lights(Node *p_at_node, List<PlotMesh> &plot_meshes, List<PlotLight> &plot_lights);
void _debug_bake();
void _assign_lightmaps();
void _clear_lightmaps();
static bool _bake_time(void *ud, float p_secs, float p_progress);
struct BakeTimeData {
String text;
int pass;
uint64_t last_step;
};
protected:
static void _bind_methods();
void _notification(int p_what);
public:
static BakeBeginFunc bake_begin_function;
static BakeStepFunc bake_step_function;
static BakeEndFunc bake_end_function;
void set_light_data(const Ref<BakedLightmapData> &p_data);
Ref<BakedLightmapData> get_light_data() const;
void set_bake_cell_size(float p_cell_size);
float get_bake_cell_size() const;
void set_capture_cell_size(float p_cell_size);
float get_capture_cell_size() const;
void set_extents(const Vector3 &p_extents);
Vector3 get_extents() const;
void set_bake_default_texels_per_unit(const float &p_bake_texels_per_unit);
float get_bake_default_texels_per_unit() const;
void set_propagation(float p_propagation);
float get_propagation() const;
void set_energy(float p_energy);
float get_energy() const;
void set_bake_quality(BakeQuality p_quality);
BakeQuality get_bake_quality() const;
void set_bake_mode(BakeMode p_mode);
BakeMode get_bake_mode() const;
void set_hdr(bool p_enable);
bool is_hdr() const;
void set_image_path(const String &p_path);
String get_image_path() const;
AABB get_aabb() const;
PoolVector<Face3> get_faces(uint32_t p_usage_flags) const;
BakeError bake(Node *p_from_node, bool p_create_visual_debug = false);
BakedLightmap();
};
VARIANT_ENUM_CAST(BakedLightmap::BakeQuality);
VARIANT_ENUM_CAST(BakedLightmap::BakeMode);
VARIANT_ENUM_CAST(BakedLightmap::BakeError);
#endif // BAKED_INDIRECT_LIGHT_H