Initial commit

Torque/SDK/engine/interior/lightUpdateGrouper.h

@@ -0,0 +1,106 @@
+//-----------------------------------------------------------------------------
+// Torque Game Engine
+// Copyright (C) GarageGames.com, Inc.
+//-----------------------------------------------------------------------------
+
+#ifndef _LIGHTUPDATEGROUPER_H_
+#define _LIGHTUPDATEGROUPER_H_
+
+#ifndef _PLATFORM_H_
+#include "platform/platform.h"
+#endif
+#ifndef _TVECTOR_H_
+#include "core/tVector.h"
+#endif
+
+class LightUpdateGrouper
+{
+   Vector<U32> mKeys;
+   U32         mBitStart;
+   U32         mBitEnd;
+
+  public:
+   class BitIterator {
+      friend class LightUpdateGrouper;
+
+     private:
+      Vector<U32>         mKeyArray;
+      U32                 mCurrBit;
+      LightUpdateGrouper* mGrouper;
+
+      void resetKeyArray();
+
+     public:
+      typedef U32 const* iterator;
+
+      bool valid();
+      U32  getNumKeys();
+      U32  getMask();
+
+      BitIterator& operator++(int);
+      BitIterator& operator++();
+
+      iterator begin();
+      iterator end();
+   };
+   friend class BitIterator;
+
+  public:
+   LightUpdateGrouper(const U32 bitStart, const U32 bitEnd);
+   ~LightUpdateGrouper();
+
+   void addKey(const U32 key);
+   U32  getKeyMask(const U32 key) const;
+
+   BitIterator begin();
+};
+
+
+//--------------------------------------------------------------------------
+inline LightUpdateGrouper::BitIterator& LightUpdateGrouper::BitIterator::operator++()
+{
+   mCurrBit++;
+   resetKeyArray();
+
+   return *this;
+}
+
+inline LightUpdateGrouper::BitIterator&  LightUpdateGrouper::BitIterator::operator++(int)
+{
+   return operator++();
+}
+
+inline LightUpdateGrouper::BitIterator::iterator LightUpdateGrouper::BitIterator::begin()
+{
+   if (valid() == false)
+      return NULL;
+
+   return mKeyArray.begin();
+}
+
+inline LightUpdateGrouper::BitIterator::iterator LightUpdateGrouper::BitIterator::end()
+{
+   if (valid() == false)
+      return NULL;
+
+   return mKeyArray.end();
+}
+
+inline bool LightUpdateGrouper::BitIterator::valid()
+{
+   return mCurrBit <= mGrouper->mBitEnd;
+}
+
+inline U32 LightUpdateGrouper::BitIterator::getNumKeys()
+{
+   return mKeyArray.size();
+}
+
+inline U32 LightUpdateGrouper::BitIterator::getMask()
+{
+   return (1 << mCurrBit);
+}
+
+
+
+#endif  // _H_LIGHTUPDATEGROUPER_