Initial commit

Torque/SDK/engine/core/dataChunker.cc

@@ -0,0 +1,59 @@
+//-----------------------------------------------------------------------------
+// Torque Game Engine
+// Copyright (C) GarageGames.com, Inc.
+//-----------------------------------------------------------------------------
+
+#include "platform/platform.h"
+#include "core/dataChunker.h"
+
+
+//----------------------------------------------------------------------------
+
+DataChunker::DataChunker(S32 size)
+{
+   chunkSize          = size;
+   curBlock           = new DataBlock(size);
+   curBlock->next     = NULL;
+   curBlock->curIndex = 0;
+}
+
+DataChunker::~DataChunker()
+{
+   freeBlocks();
+}
+
+void *DataChunker::alloc(S32 size)
+{
+   AssertFatal(size <= chunkSize, "Data chunk too large.");
+   if(!curBlock || size + curBlock->curIndex > chunkSize)
+   {
+      DataBlock *temp = new DataBlock(chunkSize);
+      temp->next = curBlock;
+      temp->curIndex = 0;
+      curBlock = temp;
+   }
+   void *ret = curBlock->data + curBlock->curIndex;
+   curBlock->curIndex += (size + 3) & ~3; // dword align
+   return ret;
+}
+
+DataChunker::DataBlock::DataBlock(S32 size)
+{
+   data = new U8[size];
+}
+
+DataChunker::DataBlock::~DataBlock()
+{
+   delete[] data;
+}
+
+void DataChunker::freeBlocks()
+{
+   while(curBlock)
+   {
+      DataBlock *temp = curBlock->next;
+      delete curBlock;
+      curBlock = temp;
+   }
+}
+