Add new audio objects for loading sounds

src/openrct2/object/AudioObject.cpp

@@ -0,0 +1,46 @@
+/*****************************************************************************
+ * Copyright (c) 2014-2022 OpenRCT2 developers
+ *
+ * For a complete list of all authors, please refer to contributors.md
+ * Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
+ *
+ * OpenRCT2 is licensed under the GNU General Public License version 3.
+ *****************************************************************************/
+
+#include "AudioObject.h"
+
+#include "../Context.h"
+#include "../PlatformEnvironment.h"
+#include "../audio/AudioContext.h"
+#include "../core/Json.hpp"
+#include "../core/Path.hpp"
+
+using namespace OpenRCT2;
+using namespace OpenRCT2::Audio;
+
+void AudioObject::Load()
+{
+    _sampleTable.Load();
+}
+
+void AudioObject::Unload()
+{
+    _sampleTable.Unload();
+}
+
+void AudioObject::ReadJson(IReadObjectContext* context, json_t& root)
+{
+    Guard::Assert(root.is_object(), "BannerObject::ReadJson expects parameter root to be object");
+    _sampleTable.ReadFromJson(context, root);
+    PopulateTablesFromJson(context, root);
+}
+
+IAudioSource* AudioObject::GetSample(uint32_t index) const
+{
+    return _sampleTable.GetSample(index);
+}
+
+int32_t AudioObject::GetSampleModifier(uint32_t index) const
+{
+    return _sampleTable.GetSampleModifier(index);
+}