unified simulation sound sources, gfx namespace for gfx code and structures

sound.h

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+/*
+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 "audiorenderer.h"
+#include "parser.h"
+#include "names.h"
+
+enum sound_type {
+    single,
+    multipart
+};
+
+enum sound_parameters {
+    none,
+    range = 0x1,
+    amplitude = 0x2,
+    frequency = 0x4
+};
+
+// mini controller and audio dispatcher; issues play commands for the audio renderer,
+// updates parameters of assigned audio sources for the playback duration
+// TODO: move to simulation namespace after clean up of owner classes
+class sound_source {
+
+public:
+// methods
+    // restores state of the class from provided data stream
+    sound_source &
+        deserialize( cParser &Input, sound_type const Legacytype, int const Legacyparameters = sound_parameters::none );
+    sound_source &
+        deserialize( std::string const &Input, sound_type const Legacytype, int const Legacyparameters = sound_parameters::none );
+    // issues contextual play commands for the audio renderer
+    void
+        play();
+    // sets volume of audio streams associated with this source
+    sound_source &
+        volume( float const Volume );
+    // sound source name setter/getter
+    void
+        name( std::string Name );
+    std::string const &
+        name() const;
+    // returns true if there isn't any sound buffer associated with the object, false otherwise
+    bool
+        empty() const;
+
+private:
+// members
+    std::string m_name;
+};
+
+// sound source name setter/getter
+inline void sound_source::name( std::string Name ) { m_name = Name; }
+inline std::string const & sound_source::name() const { return m_name; }
+
+// collection of generators for power grid present in the scene
+class sound_table : public basic_table<sound_source> {
+
+};
+
+//---------------------------------------------------------------------------