initial commit

src/layer/layer.hpp

@@ -0,0 +1,51 @@
+#pragma once
+
+#include "hack/security/uuid.hpp"
+
+#include "event/event.hpp"
+#include "gui/flags.hpp"
+
+namespace VE 
+{
+  class layer : public flags
+  {
+    using time = time::timestep<float>;
+
+    public:
+      layer() = default;
+      virtual ~layer() = default; 
+
+      layer(const layer&) = delete;
+      void operator=(const layer&) = delete;
+
+    public:
+      virtual void on_attach() {};
+      virtual void on_detach() {};
+      virtual void render() {};
+      virtual void on_event(event e) {};
+
+      void set_event_fn(const event_fn<event&>& fn) { execute = fn; };
+
+      void begin()
+      {
+        ImGui::SetNextWindowPos(mt::convert<ImVec2>(m_passport.m_pos));
+        ImGui::SetNextWindowSize(mt::convert<ImVec2>(m_passport.m_size));
+
+        if (m_passport.m_name.empty())
+          m_passport.m_name = hack::security::generate_uuid();
+        if (!ImGui::Begin(m_passport.m_name.c_str(), &m_p_open, m_window_flags)) end();
+      }
+
+      void end() { ImGui::End(); }
+
+    protected:
+      event_fn<event&> execute;
+      struct passport
+      {
+        std::string m_name;
+        mt::vec2 m_pos;
+        mt::vec2 m_size;
+      } m_passport;
+  };
+}
+