introduce ChunkMesh

src/graphics/render/commons.hpp

@@ -0,0 +1,29 @@
+#pragma once
+
+#include <vector>
+#include <memory>
+#include <glm/vec3.hpp>
+
+#include "graphics/core/MeshData.hpp"
+#include "util/Buffer.hpp"
+
+class Mesh;
+
+struct SortingMeshEntry {
+    glm::vec3 position;
+    util::Buffer<float> vertexData;
+};
+
+struct SortingMeshData {
+    std::vector<SortingMeshEntry> entries;
+};
+
+struct ChunkMeshData {
+    MeshData mesh;
+    SortingMeshData sortingMesh;
+};
+
+struct ChunkMesh {
+    std::shared_ptr<Mesh> mesh;
+    SortingMeshData sortingMesh;
+};