rename in draw/

1 files changed, 39 insertions, 0 deletions

diff --git a/draw/floor.hpp b/draw/floor.hpp
new file mode 100644
index 00000000..f81a7593
--- /dev/null
+++ b/draw/floor.hpp
@@ -0,0 +1,39 @@
+#pragma once
+#include "tile-defs.hpp"
+#include <array>
+#include <Corrade/Containers/ArrayViewStl.h>
+#include <Magnum/Magnum.h>
+#include <Magnum/Math/Vector2.h>
+#include <Magnum/Math/Vector3.h>
+#include <Magnum/GL/Mesh.h>
+#include <Magnum/GL/Buffer.h>
+
+namespace floormat {
+
+struct tile_shader;
+struct chunk;
+struct tile;
+
+struct floor_mesh final
+{
+    floor_mesh();
+    floor_mesh(floor_mesh&&) = delete;
+    floor_mesh(const floor_mesh&) = delete;
+
+    void draw(tile_shader& shader, chunk& c);
+
+private:
+    struct vertex_data final { Vector2 texcoords; };
+    using quad_data = std::array<vertex_data, 4>;
+
+    static std::array<std::array<UnsignedShort, 6>, TILE_COUNT> make_index_array();
+    static std::array<std::array<Vector3, 4>, TILE_COUNT> make_position_array();
+
+    GL::Mesh _mesh;
+    GL::Buffer _vertex_buffer{std::array<quad_data, TILE_COUNT>{}, Magnum::GL::BufferUsage::DynamicDraw},
+               _index_buffer{make_index_array()}, _positions_buffer{make_position_array()};
+
+    static void set_tile(quad_data& data, tile& x);
+};
+
+} // namespace floormat