/*************************************************************************/ /* lightmapper.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 LIGHTMAPPER_H #define LIGHTMAPPER_H #include "scene/resources/mesh.h" #include "servers/rendering/rendering_device.h" class LightmapDenoiser : public Reference { GDCLASS(LightmapDenoiser, Reference) protected: static LightmapDenoiser *(*create_function)(); public: virtual Ref<Image> denoise_image(const Ref<Image> &p_image) = 0; static Ref<LightmapDenoiser> create(); }; class Lightmapper : public Reference { GDCLASS(Lightmapper, Reference) public: enum GenerateProbes { GENERATE_PROBES_DISABLED, GENERATE_PROBES_SUBDIV_4, GENERATE_PROBES_SUBDIV_8, GENERATE_PROBES_SUBDIV_16, GENERATE_PROBES_SUBDIV_32, }; enum LightType { LIGHT_TYPE_DIRECTIONAL, LIGHT_TYPE_OMNI, LIGHT_TYPE_SPOT }; enum BakeError { BAKE_ERROR_LIGHTMAP_TOO_SMALL, BAKE_ERROR_LIGHTMAP_CANT_PRE_BAKE_MESHES, BAKE_OK }; enum BakeQuality { BAKE_QUALITY_LOW, BAKE_QUALITY_MEDIUM, BAKE_QUALITY_HIGH, BAKE_QUALITY_ULTRA, }; typedef Lightmapper *(*CreateFunc)(); static CreateFunc create_custom; static CreateFunc create_gpu; static CreateFunc create_cpu; protected: public: typedef bool (*BakeStepFunc)(float, const String &, void *, bool); //step index, step total, step description, userdata struct MeshData { //triangle data Vector<Vector3> points; Vector<Vector2> uv2; Vector<Vector3> normal; Ref<Image> albedo_on_uv2; Ref<Image> emission_on_uv2; Variant userdata; }; virtual void add_mesh(const MeshData &p_mesh) = 0; virtual void add_directional_light(bool p_static, const Vector3 &p_direction, const Color &p_color, float p_energy, float p_angular_distance) = 0; virtual void add_omni_light(bool p_static, const Vector3 &p_position, const Color &p_color, float p_energy, float p_range, float p_attenuation, float p_size) = 0; virtual void add_spot_light(bool p_static, const Vector3 &p_position, const Vector3 p_direction, const Color &p_color, float p_energy, float p_range, float p_attenuation, float p_spot_angle, float p_spot_attenuation, float p_size) = 0; virtual void add_probe(const Vector3 &p_position) = 0; virtual BakeError bake(BakeQuality p_quality, bool p_use_denoiser, int p_bounces, float p_bias, int p_max_texture_size, bool p_bake_sh, GenerateProbes p_generate_probes, const Ref<Image> &p_environment_panorama, const Basis &p_environment_transform, BakeStepFunc p_step_function = nullptr, void *p_step_userdata = nullptr) = 0; virtual int get_bake_texture_count() const = 0; virtual Ref<Image> get_bake_texture(int p_index) const = 0; virtual int get_bake_mesh_count() const = 0; virtual Variant get_bake_mesh_userdata(int p_index) const = 0; virtual Rect2 get_bake_mesh_uv_scale(int p_index) const = 0; virtual int get_bake_mesh_texture_slice(int p_index) const = 0; virtual int get_bake_probe_count() const = 0; virtual Vector3 get_bake_probe_point(int p_probe) const = 0; virtual Vector<Color> get_bake_probe_sh(int p_probe) const = 0; static Ref<Lightmapper> create(); Lightmapper(); }; #endif // LIGHTMAPPER_H