123

CryCommon/SerializeBuffer.h

@@ -0,0 +1,52 @@
+#ifndef _SERIALIZEBUFFER_H_
+#define _SERIALIZEBUFFER_H_
+
+void inline SaveBuffer(void * pData, int nSize, uchar * pSerialBuffer, int & nSaveBufferPos)
+{
+  if(pSerialBuffer)
+  {
+		// set the first 4 bytes of the buffer to the size of the buffer or to 0 if the data isn't available
+		*(int*)(pSerialBuffer+nSaveBufferPos) = pData ? nSize : 0;
+  }
+
+  nSaveBufferPos += sizeof(int);
+
+  if(pSerialBuffer)
+  {
+    if(nSize && pData)
+      memcpy (pSerialBuffer + nSaveBufferPos, pData, nSize);
+  }
+
+  if(pData)
+    nSaveBufferPos += nSize;
+}
+
+bool inline LoadBuffer(void * pData, uint nMaxBytesToLoad, uchar * pSerialBuffer, int & nSaveBufferPos)
+{
+  int nSize = 0;
+  if (nMaxBytesToLoad < 4)
+	{
+		nSaveBufferPos += 4;
+    return false;
+	}
+
+  nSize = *(int*)(pSerialBuffer + nSaveBufferPos);
+	nSaveBufferPos += 4;
+
+  if((uint)nSize > nMaxBytesToLoad)
+    return false;
+
+  if(!nSize)
+    return true;
+
+  assert(pData);
+
+  if(nSize)
+    memcpy (pData, pSerialBuffer + nSaveBufferPos, nSize);
+
+  nSaveBufferPos += nSize;
+
+  return true;
+}
+
+#endif // _SERIALIZEBUFFER_H_