Initial community commit

Src/external_dependencies/openmpt-trunk/soundlib/Load_uax.cpp

@@ -0,0 +1,87 @@
+/*
+ * Load_uax.cpp
+ * ------------
+ * Purpose: UAX (Unreal Sounds) module ripper
+ * Notes  : The sounds are read into module sample slots.
+ * Authors: Johannes Schultz (inspired by code from http://wiki.beyondunreal.com/Legacy:Package_File_Format)
+ * The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
+ */
+
+
+#include "stdafx.h"
+#include "Loaders.h"
+#include "UMXTools.h"
+
+
+OPENMPT_NAMESPACE_BEGIN
+
+CSoundFile::ProbeResult CSoundFile::ProbeFileHeaderUAX(MemoryFileReader file, const uint64 *pfilesize)
+{
+	return UMX::ProbeFileHeader(file, pfilesize, "sound");
+}
+
+
+bool CSoundFile::ReadUAX(FileReader &file, ModLoadingFlags loadFlags)
+{
+	file.Rewind();
+	UMX::FileHeader fileHeader;
+	if(!file.ReadStruct(fileHeader) || !fileHeader.IsValid())
+		return false;
+
+	// Note that this can be a false positive, e.g. Unreal maps will have music and sound
+	// in their name table because they usually import such files. However, it spares us
+	// from wildly seeking through the file, as the name table is usually right at the
+	// start of the file, so it is hopefully a good enough heuristic for our purposes.
+	if(!UMX::FindNameTableEntry(file, fileHeader, "sound"))
+		return false;
+	else if(!file.CanRead(fileHeader.GetMinimumAdditionalFileSize()))
+		return false;
+	else if(loadFlags == onlyVerifyHeader)
+		return true;
+
+	const std::vector<std::string> names = UMX::ReadNameTable(file, fileHeader);
+	const std::vector<int32> classes = UMX::ReadImportTable(file, fileHeader, names);
+
+	InitializeGlobals();
+	m_modFormat.formatName = MPT_UFORMAT("Unreal Package v{}")(fileHeader.packageVersion);
+	m_modFormat.type = U_("uax");
+	m_modFormat.charset = mpt::Charset::Windows1252;
+	
+	// Read export table
+	file.Seek(fileHeader.exportOffset);
+	for(uint32 i = 0; i < fileHeader.exportCount && file.CanRead(8); i++)
+	{
+		auto [fileChunk, objName] = UMX::ReadExportTableEntry(file, fileHeader, classes, names, "sound");
+		if(!fileChunk.IsValid())
+			continue;
+
+		if(CanAddMoreSamples())
+		{
+			// Read as sample
+			if(ReadSampleFromFile(GetNumSamples() + 1, fileChunk, true))
+			{
+				if(objName > 0 && static_cast<size_t>(objName) < names.size())
+				{
+					m_szNames[GetNumSamples()] = names[objName];
+				}
+			}
+		}
+	}
+
+	if(m_nSamples != 0)
+	{
+		InitializeChannels();
+		SetType(MOD_TYPE_MPT);
+		m_ContainerType = MOD_CONTAINERTYPE_UAX;
+		m_nChannels = 4;
+		Patterns.Insert(0, 64);
+		Order().assign(1, 0);
+		return true;
+	} else
+	{
+		return false;
+	}
+}
+
+
+OPENMPT_NAMESPACE_END