1 files changed, 31 insertions, 0 deletions
diff --git a/tile-mesh.cpp b/tile-mesh.cpp
new file mode 100644
index 00000000..c1f819d8
--- /dev/null
+++ b/tile-mesh.cpp
@@ -0,0 +1,31 @@
+#include "tile-mesh.hpp"
+#include "tile-shader.hpp"
+#include "tile.hpp"
+
+namespace Magnum::Examples {
+
+tile_mesh::tile_mesh()
+{
+    _mesh.setCount((int)index_count)
+        .addVertexBuffer(_vertex_buffer, 0,
+                         tile_shader::Position{}, tile_shader::TextureCoordinates{})
+        .setIndexBuffer(_index_buffer, 0, GL::MeshIndexType::UnsignedShort);
+}
+
+void tile_mesh::draw_quad(tile_shader& shader, tile_image& img, const std::array<Vector3, 4>& positions)
+{
+    auto texcoords = img.atlas->texcoords_for_id(img.variant);
+    //auto positions = img.atlas->floor_quad(position, { TILE_SIZE[0], TILE_SIZE[1] });
+    for (std::size_t i = 0; i < 4; i++)
+        _vertex_data[i] = {positions[i], texcoords[i]};
+    img.atlas->texture().bind(0);
+    _vertex_buffer.setData(_vertex_data, Magnum::GL::BufferUsage::DynamicDraw);
+    shader.draw(_mesh);
+}
+
+void tile_mesh::draw_floor_quad(tile_shader& shader, tile_image& img, Vector3 center)
+{
+    draw_quad(shader, img, img.atlas->floor_quad(center, { TILE_SIZE[0], TILE_SIZE[1] }));
+}
+
+} // namespace Magnum::Examples