Add dumping of iw4 loaded sounds

src/ObjWriting/Game/IW4/AssetDumpers/AssetDumperLoadedSound.cpp

@@ -0,0 +1,70 @@
+#include "AssetDumperLoadedSound.h"
+
+#include "Sound/WavTypes.h"
+
+using namespace IW4;
+
+bool AssetDumperLoadedSound::ShouldDump(LoadedSound* asset)
+{
+    return true;
+}
+
+std::string AssetDumperLoadedSound::GetFileNameForAsset(Zone* zone, LoadedSound* asset)
+{
+    return "sound/" + std::string(asset->name);
+}
+
+void AssetDumperLoadedSound::DumpWavPcm(Zone* zone, LoadedSound* asset, FileAPI::File* out)
+{
+    const uint32_t riffMasterChunkSize = sizeof WAV_CHUNK_ID_RIFF
+        + sizeof uint32_t
+        + sizeof WAV_WAVE_ID
+        + sizeof WavChunkHeader
+        + sizeof WavFormatChunkPcm
+        + sizeof WavChunkHeader
+        + sizeof asset->sound.info.data_len;
+
+    out->Write(&WAV_CHUNK_ID_RIFF, sizeof WAV_CHUNK_ID_RIFF, 1);
+    out->Write(&riffMasterChunkSize, sizeof riffMasterChunkSize, 1);
+    out->Write(&WAV_WAVE_ID, sizeof WAV_WAVE_ID, 1);
+
+    const WavChunkHeader formatChunkHeader
+    {
+        WAV_CHUNK_ID_FMT,
+        sizeof WavFormatChunkPcm
+    };
+    out->Write(&formatChunkHeader, sizeof formatChunkHeader, 1);
+
+    WavFormatChunkPcm formatChunk
+    {
+        WavFormat::PCM,
+        static_cast<uint16_t>(asset->sound.info.channels),
+        asset->sound.info.rate,
+        asset->sound.info.rate * asset->sound.info.channels * asset->sound.info.bits / 8,
+        static_cast<uint16_t>(asset->sound.info.block_size),
+        static_cast<uint16_t>(asset->sound.info.bits)
+    };
+    out->Write(&formatChunk, sizeof formatChunk, 1);
+
+    const WavChunkHeader dataChunkHeader
+    {
+        WAV_CHUNK_ID_DATA,
+        asset->sound.info.data_len
+    };
+    out->Write(&dataChunkHeader, sizeof dataChunkHeader, 1);
+    out->Write(asset->sound.data, 1, asset->sound.info.data_len);
+}
+
+void AssetDumperLoadedSound::DumpAsset(Zone* zone, LoadedSound* asset, FileAPI::File* out)
+{
+    switch (static_cast<WavFormat>(asset->sound.info.format))
+    {
+    case WavFormat::PCM:
+        DumpWavPcm(zone, asset, out);
+        break;
+
+    default:
+        printf("Unknown format %i for loaded sound: %s\n", asset->sound.info.format, asset->name);
+        break;
+    }
+}