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Diffstat (limited to 'modules/raycast/lightmap_raycaster.h')
| -rw-r--r-- | modules/raycast/lightmap_raycaster.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/modules/raycast/lightmap_raycaster.h b/modules/raycast/lightmap_raycaster.h new file mode 100644 index 0000000000..4c3de27837 --- /dev/null +++ b/modules/raycast/lightmap_raycaster.h @@ -0,0 +1,77 @@ +/*************************************************************************/ +/* lightmap_raycaster.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. */ +/*************************************************************************/ + +#ifdef TOOLS_ENABLED + +#include "core/object/object.h" +#include "scene/3d/lightmapper.h" +#include "scene/resources/mesh.h" + +#include <embree3/rtcore.h> + +class LightmapRaycasterEmbree : public LightmapRaycaster { + GDCLASS(LightmapRaycasterEmbree, LightmapRaycaster); + +private: + struct AlphaTextureData { + Vector<uint8_t> data; + Vector2i size; + + uint8_t sample(float u, float v) const; + }; + + RTCDevice embree_device; + RTCScene embree_scene; + + static void filter_function(const struct RTCFilterFunctionNArguments *p_args); + + Map<unsigned int, AlphaTextureData> alpha_textures; + Set<int> filter_meshes; + +public: + virtual bool intersect(Ray &p_ray) override; + + virtual void intersect(Vector<Ray> &r_rays) override; + + virtual void add_mesh(const Vector<Vector3> &p_vertices, const Vector<Vector3> &p_normals, const Vector<Vector2> &p_uv2s, unsigned int p_id) override; + virtual void set_mesh_alpha_texture(Ref<Image> p_alpha_texture, unsigned int p_id) override; + virtual void commit() override; + + virtual void set_mesh_filter(const Set<int> &p_mesh_ids) override; + virtual void clear_mesh_filter() override; + + static LightmapRaycaster *create_embree_raycaster(); + static void make_default_raycaster(); + + LightmapRaycasterEmbree(); + ~LightmapRaycasterEmbree(); +}; + +#endif |