refactoring: application mode code split

simulationenvironment.h

@@ -0,0 +1,52 @@
+/*
+This Source Code Form is subject to the
+terms of the Mozilla Public License, v.
+2.0. If a copy of the MPL was not
+distributed with this file, You can
+obtain one at
+http://mozilla.org/MPL/2.0/.
+*/
+
+#pragma once
+
+#include "sky.h"
+#include "sun.h"
+#include "moon.h"
+#include "stars.h"
+#include "skydome.h"
+
+class opengl_renderer;
+
+// wrapper for environment elements -- sky, sun, stars, clouds etc
+class world_environment {
+
+    friend opengl_renderer;
+
+public:
+// methods
+    void init();
+    void update();
+    void time( int const Hour = -1, int const Minute = -1, int const Second = -1 );
+    // switches between static and dynamic daylight calculation
+    void toggle_daylight();
+    // calculates current season of the year based on set simulation date
+    void compute_season( int const Yearday ) const;
+    // calculates current weather
+    void compute_weather() const;
+
+private:
+// members
+    CSkyDome m_skydome;
+    cStars m_stars;
+    cSun m_sun;
+    cMoon m_moon;
+    TSky m_clouds;
+};
+
+namespace simulation {
+
+extern world_environment Environment;
+
+} // simulation
+
+//---------------------------------------------------------------------------