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1 files changed, 39 insertions, 0 deletions

diff --git a/tile-mesh.hpp b/tile-mesh.hpp
new file mode 100644
index 00000000..eef3b0a9
--- /dev/null
+++ b/tile-mesh.hpp
@@ -0,0 +1,39 @@
+#pragma once
+#include "tile-atlas.hpp"
+#include <array>
+#include <Corrade/Containers/ArrayViewStl.h>
+#include <Magnum/Magnum.h>
+#include <Magnum/Math/Vector2.h>
+#include <Magnum/GL/Mesh.h>
+#include <Magnum/GL/Buffer.h>
+
+namespace Magnum::Examples {
+
+struct tile_shader;
+struct tile_image;
+
+class tile_mesh final
+{
+    static constexpr std::size_t index_count = std::tuple_size_v<decltype(tile_atlas{}.indices(0))>;
+    static constexpr std::array<UnsignedShort, index_count> _indices =
+        tile_atlas::indices(0);
+
+    struct vertex_data final {
+        Vector3 position;
+        Vector2 texcoords;
+    };
+    std::array<vertex_data, 4> _vertex_data = {};
+    GL::Mesh _mesh;
+    GL::Buffer _vertex_buffer{_vertex_data, Magnum::GL::BufferUsage::DynamicDraw},
+        _index_buffer{_indices, Magnum::GL::BufferUsage::StaticDraw};
+
+public:
+    tile_mesh();
+    tile_mesh(tile_mesh&&) = delete;
+    tile_mesh(const tile_mesh&) = delete;
+
+    void draw_quad(tile_shader& shader, tile_image& img, const std::array<Vector3, 4>& positions);
+    void draw_floor_quad(tile_shader& shader, tile_image& img, Vector3 center);
+};
+
+} // namespace Magnum::Examples