54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
#pragma once
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#include <vector>
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#include <array>
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#include <memory>
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#include <glm/vec2.hpp>
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#include <glm/vec3.hpp>
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#include "graphics/core/MeshData.hpp"
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#include "util/Buffer.hpp"
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/// @brief Chunk mesh vertex format
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struct ChunkVertex {
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glm::vec3 position;
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glm::vec2 uv;
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std::array<uint8_t, 4> color;
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std::array<uint8_t, 4> normal;
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static constexpr VertexAttribute ATTRIBUTES[] = {
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{VertexAttribute::Type::FLOAT, false, 3},
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{VertexAttribute::Type::FLOAT, false, 2},
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{VertexAttribute::Type::UNSIGNED_BYTE, true, 4},
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{VertexAttribute::Type::UNSIGNED_BYTE, true, 4},
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{{}, 0}};
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};
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template<typename VertexStructure>
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class Mesh;
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struct SortingMeshEntry {
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glm::vec3 position;
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util::Buffer<ChunkVertex> vertexData;
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long long distance;
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inline bool operator<(const SortingMeshEntry &o) const noexcept {
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return distance > o.distance;
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}
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};
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struct SortingMeshData {
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std::vector<SortingMeshEntry> entries;
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};
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struct ChunkMeshData {
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MeshData<ChunkVertex> mesh;
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SortingMeshData sortingMesh;
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};
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struct ChunkMesh {
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std::unique_ptr<Mesh<ChunkVertex>> mesh;
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SortingMeshData sortingMeshData;
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std::unique_ptr<Mesh<ChunkVertex> > sortedMesh = nullptr;
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};
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