rename engine to src

src/node_icon.h

@@ -0,0 +1,14 @@
+#pragma once
+#include "node_image.h"
+
+class NodeIcon : public NodeImage
+{
+    static std::map<std::string, glm::vec4> m_icons;
+    std::string m_icon_name;
+public:
+    static void static_init();
+    virtual Node* clone_instantiate() const override;
+    virtual void clone_copy(Node* dest) const override;
+    virtual void create() override;
+    virtual void parse_attributes(kAttribute ka, const tinyxml2::XMLAttribute* attr) override;
+};