added inventory & active object

src/items/InteractiveObject.h

@@ -0,0 +1,33 @@
+#pragma once
+#include <string>
+#include <memory>
+#include <Eigen/Core>
+#include "Item.h"
+#include "render/Renderer.h" 
+
+namespace ZL {
+
+	struct Texture;
+	struct VertexRenderStruct;
+	class Renderer;
+
+	struct InteractiveObject {
+		std::string id;
+		std::string name;
+		Eigen::Vector3f position;
+		float interactionRadius;
+		std::shared_ptr<Texture> texture;
+		VertexRenderStruct mesh;
+		Item dropItem;
+		bool isActive = true;
+
+		InteractiveObject() : interactionRadius(2.0f) {}
+
+		bool isInRange(const Eigen::Vector3f& playerPos) const {
+			return (playerPos - position).norm() <= interactionRadius;
+		}
+
+		void draw(Renderer& renderer) const;
+	};
+
+} // namespace ZL