test voxel structures generation

src/world/generator/StructurePlacement.hpp

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <glm/glm.hpp>
+
+struct StructurePlacement {
+    int structure;
+
+    glm::ivec3 position;
+
+    StructurePlacement(int structure, glm::ivec3 position)
+        : structure(structure), position(std::move(position)) {}
+};