streaming decompression support (#142)

Added CompressedBufferReader support from UE. This provides some streaming decompression support which can be employed to reduce memory and other resource usage.

1 files changed, 21 insertions, 0 deletions

diff --git a/src/zencore/stream.cpp b/src/zencore/stream.cpp
index 3402e51be..ee97a53c4 100644
--- a/src/zencore/stream.cpp
+++ b/src/zencore/stream.cpp
@@ -51,6 +51,27 @@ BinaryWriter::Reset()
 }
 
 //////////////////////////////////////////////////////////////////////////
+
+void
+BufferReader::Seek(uint64_t InPos)
+{
+	// Validate range
+	m_Offset = InPos;
+}
+
+int64_t
+BufferReader::Tell()
+{
+	return CurrentOffset();
+}
+
+void
+BufferReader::Serialize(void* V, int64_t Length)
+{
+	Read(V, Length);
+}
+
+//////////////////////////////////////////////////////////////////////////
 //
 // Testing related code follows...
 //