1HEADmaster

1 files changed, 108 insertions, 0 deletions

diff --git a/engine/changeframelist.cpp b/engine/changeframelist.cpp
new file mode 100644
index 0000000..2469508
--- /dev/null
+++ b/engine/changeframelist.cpp
@@ -0,0 +1,108 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "basetypes.h"
+#include "changeframelist.h"
+#include "dt.h"
+#include "utlvector.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+class CChangeFrameList : public IChangeFrameList
+{
+public:
+
+	void	Init( int nProperties, int iCurTick )
+	{
+		m_ChangeTicks.SetSize( nProperties );
+		for ( int i=0; i < nProperties; i++ )
+			m_ChangeTicks[i] = iCurTick;
+	}
+
+
+// IChangeFrameList implementation.
+public:
+
+	virtual void	Release()
+	{
+		delete this;
+	}
+
+	virtual IChangeFrameList* Copy()
+	{
+		CChangeFrameList *pRet = new CChangeFrameList;
+
+		int numProps = m_ChangeTicks.Count();
+
+		pRet->m_ChangeTicks.SetSize( numProps );
+
+		for ( int i=0; i < numProps; i++ )
+		{
+			pRet->m_ChangeTicks[ i ] = m_ChangeTicks[ i ];
+		}
+
+		return pRet;
+
+	}
+
+	virtual int		GetNumProps()
+	{
+		return m_ChangeTicks.Count();
+	}
+
+	virtual void	SetChangeTick( const int *pPropIndices, int nPropIndices, const int iTick )
+	{
+		for ( int i=0; i < nPropIndices; i++ )
+		{
+			m_ChangeTicks[ pPropIndices[i] ] = iTick;
+		}
+	}
+
+	virtual int		GetPropsChangedAfterTick( int iTick, int *iOutProps, int nMaxOutProps )
+	{
+		int nOutProps = 0;
+
+		int c = m_ChangeTicks.Count();
+		
+		Assert( c <= nMaxOutProps );
+
+		for ( int i=0; i < c; i++ )
+		{
+			if ( m_ChangeTicks[i] > iTick )
+			{
+				iOutProps[nOutProps] = i;
+				++nOutProps;
+			}
+		}
+
+		return nOutProps;
+	}
+
+// IChangeFrameList implementation.
+protected:
+
+	virtual			~CChangeFrameList()
+	{
+	}
+
+private:
+	// Change frames for each property.
+	CUtlVector<int>		m_ChangeTicks;
+};
+
+
+IChangeFrameList* AllocChangeFrameList( int nProperties, int iCurTick )
+{
+	CChangeFrameList *pRet = new CChangeFrameList;
+	pRet->Init( nProperties, iCurTick);
+	return pRet;
+}
+
+
+