renderer changes, time and environment window

widgets/time.h

@@ -0,0 +1,21 @@
+#include "uilayer.h"
+#include "translation.h"
+#include "command.h"
+
+namespace ui {
+    class time_panel : public ui_panel {
+		command_relay m_relay;
+
+		float time;
+		int yearday;
+		float fog;
+		float overcast;
+		float temperature;
+
+	public:
+		time_panel();
+
+		void render_contents() override;
+		void open();
+	};
+}