mirror of
https://github.com/Relintai/pandemonium_engine.git
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296 lines
9.0 KiB
C++
296 lines
9.0 KiB
C++
#ifndef BAKED_LIGHTMAP_H
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#define BAKED_LIGHTMAP_H
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/*************************************************************************/
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/* baked_lightmap.h */
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/*************************************************************************/
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/* This file is part of: */
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/* PANDEMONIUM ENGINE */
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/* https://github.com/Relintai/pandemonium_engine */
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/*************************************************************************/
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/* Copyright (c) 2022-present Péter Magyar. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "core/containers/local_vector.h"
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#include "multimesh_instance.h"
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#include "scene/3d/light.h"
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#include "scene/3d/lightmapper.h"
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#include "scene/3d/visual_instance.h"
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#include "scene/resources/mesh/mesh.h"
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class Sky;
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class Environment3D;
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class BakedLightmapData : public Resource {
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GDCLASS(BakedLightmapData, Resource);
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RES_BASE_EXTENSION("lmbake")
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RID baked_light;
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AABB bounds;
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float energy;
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bool interior;
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int cell_subdiv;
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Transform cell_space_xform;
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struct User {
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NodePath path;
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struct {
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Ref<Texture> single;
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Ref<TextureLayered> layered;
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} lightmap;
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int lightmap_slice;
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Rect2 lightmap_uv_rect;
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int instance_index;
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};
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Vector<User> users;
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void _set_user_data(const Array &p_data);
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Array _get_user_data() const;
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protected:
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static void _bind_methods();
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public:
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void set_bounds(const AABB &p_bounds);
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AABB get_bounds() const;
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void set_octree(const PoolVector<uint8_t> &p_octree);
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PoolVector<uint8_t> get_octree() const;
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void set_cell_space_transform(const Transform &p_xform);
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Transform get_cell_space_transform() const;
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void set_cell_subdiv(int p_cell_subdiv);
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int get_cell_subdiv() const;
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void set_energy(float p_energy);
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float get_energy() const;
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void set_interior(bool p_interior);
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bool is_interior() const;
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void add_user(const NodePath &p_path, const Ref<Resource> &p_lightmap, int p_lightmap_slice, const Rect2 &p_lightmap_uv_rect, int p_instance);
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int get_user_count() const;
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NodePath get_user_path(int p_user) const;
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Ref<Resource> get_user_lightmap(int p_user) const;
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int get_user_lightmap_slice(int p_user) const;
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Rect2 get_user_lightmap_uv_rect(int p_user) const;
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int get_user_instance(int p_user) const;
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void clear_users();
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void clear_data();
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virtual RID get_rid() const;
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BakedLightmapData();
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~BakedLightmapData();
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};
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class BakedLightmap : public VisualInstance {
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GDCLASS(BakedLightmap, VisualInstance);
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public:
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enum BakeQuality {
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BAKE_QUALITY_LOW,
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BAKE_QUALITY_MEDIUM,
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BAKE_QUALITY_HIGH,
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BAKE_QUALITY_ULTRA
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};
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enum BakeError {
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BAKE_ERROR_OK,
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BAKE_ERROR_NO_SAVE_PATH,
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BAKE_ERROR_NO_MESHES,
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BAKE_ERROR_CANT_CREATE_IMAGE,
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BAKE_ERROR_LIGHTMAP_SIZE,
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BAKE_ERROR_INVALID_MESH,
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BAKE_ERROR_USER_ABORTED,
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BAKE_ERROR_NO_LIGHTMAPPER,
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BAKE_ERROR_NO_ROOT,
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};
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enum EnvironmentMode {
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ENVIRONMENT_MODE_DISABLED,
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ENVIRONMENT_MODE_SCENE,
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ENVIRONMENT_MODE_CUSTOM_SKY,
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ENVIRONMENT_MODE_CUSTOM_COLOR
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};
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struct BakeStepUD {
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Lightmapper::BakeStepFunc func;
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void *ud;
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float from_percent;
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float to_percent;
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};
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struct LightsFound {
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Transform xform;
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Light *light;
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};
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struct MeshesFound {
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Transform xform;
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NodePath node_path;
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int32_t subindex;
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Ref<Mesh> mesh;
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int32_t lightmap_scale;
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Vector<Ref<Material>> overrides;
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bool cast_shadows;
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bool generate_lightmap;
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};
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private:
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Vector3 extents;
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float default_texels_per_unit;
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float bias;
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BakeQuality bake_quality;
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bool generate_atlas;
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int max_atlas_size;
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bool capture_enabled;
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int bounces;
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float bounce_indirect_energy;
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bool use_denoiser;
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bool use_hdr;
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bool use_color;
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EnvironmentMode environment_mode;
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Ref<Sky> environment_custom_sky;
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Vector3 environment_custom_sky_rotation_degrees;
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Color environment_custom_color;
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float environment_custom_energy;
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Color environment_min_light;
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BakeQuality capture_quality;
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float capture_propagation;
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float capture_cell_size;
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String image_path; // (Deprecated property)
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Ref<BakedLightmapData> light_data;
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void _assign_lightmaps();
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void _clear_lightmaps();
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void _get_material_images(const MeshesFound &p_found_mesh, Lightmapper::MeshData &r_mesh_data, Vector<Ref<Texture>> &r_albedo_textures, Vector<Ref<Texture>> &r_emission_textures);
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Ref<Image> _get_irradiance_from_sky(Ref<Sky> p_sky, float p_energy, Vector2i p_size);
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Ref<Image> _get_irradiance_map(Ref<Environment3D> p_env, Vector2i p_size);
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void _find_meshes_and_lights(Node *p_at_node, Vector<MeshesFound> &meshes, Vector<LightsFound> &lights);
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Vector2i _compute_lightmap_size(const MeshesFound &p_mesh);
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static bool _lightmap_bake_step_function(float p_completion, const String &p_text, void *ud, bool p_refresh);
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void _save_image(String &r_base_path, Ref<Image> p_img, bool p_use_srgb);
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protected:
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static void _bind_methods();
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void _validate_property(PropertyInfo &property) const;
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void _notification(int p_what);
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public:
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static Lightmapper::BakeStepFunc bake_step_function;
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static Lightmapper::BakeStepFunc bake_substep_function;
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static Lightmapper::BakeEndFunc bake_end_function;
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void set_light_data(const Ref<BakedLightmapData> &p_data);
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Ref<BakedLightmapData> get_light_data() const;
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void set_capture_cell_size(float p_cell_size);
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float get_capture_cell_size() const;
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void set_extents(const Vector3 &p_extents);
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Vector3 get_extents() const;
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void set_default_texels_per_unit(const float &p_extents);
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float get_default_texels_per_unit() const;
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void set_capture_propagation(float p_propagation);
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float get_capture_propagation() const;
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void set_capture_quality(BakeQuality p_quality);
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BakeQuality get_capture_quality() const;
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void set_bake_quality(BakeQuality p_quality);
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BakeQuality get_bake_quality() const;
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void set_generate_atlas(bool p_enabled);
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bool is_generate_atlas_enabled() const;
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void set_max_atlas_size(int p_size);
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int get_max_atlas_size() const;
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void set_capture_enabled(bool p_enable);
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bool get_capture_enabled() const;
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void set_image_path(const String &p_path);
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String get_image_path() const;
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void set_environment_mode(EnvironmentMode p_mode);
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EnvironmentMode get_environment_mode() const;
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void set_environment_custom_sky(const Ref<Sky> &p_sky);
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Ref<Sky> get_environment_custom_sky() const;
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void set_environment_custom_sky_rotation_degrees(const Vector3 &p_rotation);
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Vector3 get_environment_custom_sky_rotation_degrees() const;
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void set_environment_custom_color(const Color &p_color);
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Color get_environment_custom_color() const;
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void set_environment_custom_energy(float p_energy);
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float get_environment_custom_energy() const;
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void set_environment_min_light(Color p_min_light);
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Color get_environment_min_light() const;
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void set_use_denoiser(bool p_enable);
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bool is_using_denoiser() const;
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void set_use_hdr(bool p_enable);
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bool is_using_hdr() const;
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void set_use_color(bool p_enable);
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bool is_using_color() const;
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void set_bounces(int p_bounces);
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int get_bounces() const;
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void set_bounce_indirect_energy(float p_indirect_energy);
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float get_bounce_indirect_energy() const;
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void set_bias(float p_bias);
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float get_bias() const;
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AABB get_aabb() const;
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PoolVector<Face3> get_faces(uint32_t p_usage_flags) const;
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BakeError bake(Node *p_from_node, String p_data_save_path = "");
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BakedLightmap();
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};
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VARIANT_ENUM_CAST(BakedLightmap::BakeQuality);
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VARIANT_ENUM_CAST(BakedLightmap::BakeError);
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VARIANT_ENUM_CAST(BakedLightmap::EnvironmentMode);
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#endif // BAKED_LIGHTMAP_H
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