1 files changed, 89 insertions, 0 deletions
diff --git a/game/client/hud_element_helper.cpp b/game/client/hud_element_helper.cpp
new file mode 100644
index 0000000..fce62e7
--- /dev/null
+++ b/game/client/hud_element_helper.cpp
@@ -0,0 +1,89 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Helper for the CHudElement class to add themselves to the list of hud elements
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "hud_element_helper.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+// Start with empty list
+CHudElementHelper *CHudElementHelper::m_sHelpers = NULL;
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructs a technology factory
+// Input  : pfnCreate - fn Ptr to the constructor for this element 
+//			depth - determines position in the creation list, 100 is farthest into the screen
+//					0 is nearest, default is 50
+//
+//-----------------------------------------------------------------------------
+CHudElementHelper::CHudElementHelper( CHudElement *( *pfnCreate )( void ), int depth )
+{
+	//Insert into the list based on depth
+
+	//List is empty, or element belongs at front, insert here
+	if( m_sHelpers == NULL || depth >= m_sHelpers->m_iDepth )
+	{
+		m_pNext			= m_sHelpers;
+		m_sHelpers		= this;
+	}
+	else
+	{
+		//Scan to insert in decreasing depth order
+		CHudElementHelper *pPrev = m_sHelpers;
+		CHudElementHelper *pCurrent = m_sHelpers->m_pNext;
+
+		while( pCurrent != NULL && depth < pCurrent->m_iDepth )
+		{
+			pPrev = pCurrent;
+			pCurrent = pCurrent->m_pNext;
+		}
+
+		pPrev->m_pNext = this;
+		m_pNext = pCurrent;
+	}
+
+	m_iDepth		= depth;
+
+	// Set attributes
+	assert( pfnCreate );
+	m_pfnCreate		= pfnCreate;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Returns next object in list
+// Output : CHudElementHelper
+//-----------------------------------------------------------------------------
+CHudElementHelper *CHudElementHelper::GetNext( void )
+{ 
+	return m_pNext;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Static class creation factory
+//  Searches list of registered factories for a match and then instances the 
+//  requested technology by name
+// Input  : *name - 
+// Output : CBaseTFTechnology
+//-----------------------------------------------------------------------------
+void CHudElementHelper::CreateAllElements( void )
+{
+	// Start of list
+	CHudElementHelper *p = m_sHelpers;
+	while ( p )
+	{
+		// Dispatch creation function directly
+		CHudElement *( *fCreate )( void ) = p->m_pfnCreate;
+		CHudElement *newElement = (fCreate)();
+		if ( newElement )
+		{
+			gHUD.AddHudElement( newElement );
+		}
+
+		p = p->GetNext();
+	}
+}
+