103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef TNT_FILAMENT_SAMPLE_MESH_ASSIMP_H
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#define TNT_FILAMENT_SAMPLE_MESH_ASSIMP_H
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namespace filament {
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class Engine;
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class VertexBuffer;
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class IndexBuffer;
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class Material;
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class MaterialInstance;
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class Renderable;
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}
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#include <map>
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#include <vector>
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#include <math/mat4.h>
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#include <math/quat.h>
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#include <math/vec3.h>
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#include <utils/EntityManager.h>
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#include <utils/Path.h>
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#include <filamat/MaterialBuilder.h>
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#include <filament/Color.h>
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#include <filament/Box.h>
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class MeshAssimp {
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public:
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using mat4f = math::mat4f;
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using half4 = math::half4;
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using short4 = math::short4;
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using half2 = math::half2;
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using TargetApi = filamat::MaterialBuilderBase::TargetApi;
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using Platform = filamat::MaterialBuilderBase::Platform;
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MeshAssimp(filament::Engine& engine, TargetApi targetApi, Platform platform);
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~MeshAssimp();
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void addFromFile(const utils::Path& path,
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std::map<std::string, filament::MaterialInstance*>& materials,
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bool overrideMaterial = false);
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const std::vector<utils::Entity> getRenderables() const noexcept {
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return mRenderables;
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}
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private:
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struct Part {
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size_t offset;
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size_t count;
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std::string material;
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filament::sRGBColor baseColor;
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float opacity;
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float metallic;
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float roughness;
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float reflectance;
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};
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struct Mesh {
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size_t offset;
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size_t count;
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std::vector<Part> parts;
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filament::Box aabb;
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mat4f transform;
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};
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bool setFromFile(const utils::Path& file,
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std::vector<uint32_t>& outIndices,
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std::vector<half4>& outPositions,
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std::vector<short4>& outTangents,
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std::vector<half2>& outTexCoords,
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std::vector<Mesh>& outMeshes,
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std::vector<int>& outParents);
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filament::Engine& mEngine;
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filament::VertexBuffer* mVertexBuffer = nullptr;
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filament::IndexBuffer* mIndexBuffer = nullptr;
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filament::Material* mDefaultColorMaterial = nullptr;
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filament::Material* mDefaultTransparentColorMaterial = nullptr;
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std::vector<utils::Entity> mRenderables;
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TargetApi mTargetApi;
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Platform mPlatform;
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};
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#endif // TNT_FILAMENT_SAMPLE_MESH_ASSIMP_H
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