refactor: streamline sound dumping

src/ObjWriting/Game/IW5/Sound/LoadedSoundDumperIW5.cpp

@@ -0,0 +1,52 @@
+#include "LoadedSoundDumperIW5.h"
+
+#include "Sound/WavTypes.h"
+#include "Sound/WavWriter.h"
+
+#include <format>
+
+using namespace IW5;
+
+namespace
+{
+    void DumpWavPcm(const LoadedSound* asset, std::ostream& stream)
+    {
+        const WavWriter writer(stream);
+
+        const WavMetaData metaData{.channelCount = static_cast<unsigned>(asset->sound.info.channels),
+                                   .samplesPerSec = static_cast<unsigned>(asset->sound.info.rate),
+                                   .bitsPerSample = static_cast<unsigned>(asset->sound.info.bits)};
+
+        writer.WritePcmHeader(metaData, asset->sound.info.data_len);
+        writer.WritePcmData(asset->sound.data, asset->sound.info.data_len);
+    }
+} // namespace
+
+namespace IW5::sound
+{
+    bool LoadedSoundDumper::ShouldDump(XAssetInfo<LoadedSound>* asset)
+    {
+        return true;
+    }
+
+    void LoadedSoundDumper::DumpAsset(AssetDumpingContext& context, XAssetInfo<LoadedSound>* asset)
+    {
+        const auto* loadedSound = asset->Asset();
+        const auto assetFile = context.OpenAssetFile(std::format("sound/{}", asset->m_name));
+
+        if (!assetFile)
+            return;
+
+        auto& stream = *assetFile;
+        switch (static_cast<WavFormat>(loadedSound->sound.info.format))
+        {
+        case WavFormat::PCM:
+            DumpWavPcm(loadedSound, stream);
+            break;
+
+        default:
+            std::cerr << std::format("Unknown format {} for loaded sound: {}\n", loadedSound->sound.info.format, loadedSound->name);
+            break;
+        }
+    }
+} // namespace IW5::sound