work on layers

include/utils/Layers/Layer.h

@@ -1,15 +1,25 @@
+#ifndef LAYER_H
+#define LAYER_H
+
 #include "pch.hpp"
 #include "utils/Events/Event.h"
 
-class Layer {
+namespace Archimedes {
+    
+    class Layer {
 
-    virtual ~Layer() {}
+        public:
 
-    virtual void onRender() = 0;
+            virtual ~Layer() {}
 
-    virtual void onAttach() = 0;
+            virtual void onRender() = 0;
 
-    virtual void onDetach() = 0;
+            virtual void onAttach() = 0;
 
-    virtual bool onEvent(const Event&) = 0;
-};
+            virtual void onDetach() = 0;
+
+            virtual bool onEvent(const Event&) = 0;
+    };
+}
+
+#endif

include/utils/Layers/Layerstack.h

@@ -1,31 +1,49 @@
+#ifndef LAYERSTACK_H
+#define LAYERSTACK_H
+
 #include "pch.hpp"
 #include "Layer.h"
 
-class Layerstack {
+namespace Archimedes {
+    class Layerstack {
 
-    public:
-        Layerstack() {}
+        public:
+            Layerstack() {}
 
-        ~Layerstack() {
-            while(!lstack.empty()) {
-                pop();
+            ~Layerstack() {
+                while(!lstack.empty()) {
+                    pop();
+                }
             }
-        }
 
-        void push(Layer* l) { lstack.push_front(l); }
+            void push(Layer* l) { 
+                lstack.push_front(l);
+                l->onAttach();
+            }
 
-        void pop() {
-            Layer* l = lstack.front();
-            lstack.pop_front();
-            delete l;
-        }
+            void pop() {
+                Layer* l = lstack.front();
+                lstack.pop_front();
+                l->onDetach();
+            }
 
-        void renderAll() {
-            for(Layer* l : lstack)
-                l->onRender();
-        }
+            void renderAll() {
+                for(Layer* l : lstack)
+                    l->onRender();
+            }
 
-    private:
+            void sendEvent(const Event& e) {
+                for(Layer* l : lstack) {
+                    if(l->onEvent(e)) {
+                        break;
+                    }
+                }
+            }
 
-        std::list<Layer*> lstack;
-};
+        private:
+
+            std::list<Layer*> lstack;
+    };
+}
+
+#endif