upload "kind" alien swarm

game/missionchooser/layout_system/tilegen_ranges.h

@@ -0,0 +1,77 @@
+//============ Copyright (c) Valve Corporation, All rights reserved. ============
+//
+// Definitions of useful tilegen array types which can be iterated.
+//
+//===============================================================================
+
+#ifndef TILEGEN_RANGES_H
+#define TILEGEN_RANGES_H
+
+#if defined( COMPILER_MSVC )
+#pragma once
+#endif
+
+#include "utlvector.h"
+#include "tilegen_class_interfaces.h"
+
+class CExit;
+class CRoomCandidate;
+
+//-----------------------------------------------------------------------------
+// A range which allows iteration over all hypothetically new exits which 
+// would be created as a result of the placement of a given room candidate.
+//-----------------------------------------------------------------------------
+class CTilegenRange_NewOpenExits : public ITilegenRange< const CExit * >
+{
+public:
+	CTilegenRange_NewOpenExits( ITilegenExpression< const CRoomCandidate * > *pRoomCandidateExpression = NULL );
+	~CTilegenRange_NewOpenExits();
+
+	virtual bool LoadFromKeyValues( KeyValues *pKeyValues );
+	virtual void Initialize( CFreeVariableMap *pContext );
+	virtual void Reset();
+	virtual bool MoveNext();
+	virtual const CExit * GetCurrent();
+
+private:
+	ITilegenExpression< const CRoomCandidate * > *m_pRoomCandidateExpression;
+	CUtlVector< CExit > m_Exits;
+	int m_nCurrentExit;
+};
+
+//-----------------------------------------------------------------------------
+// A range which allows iteration over all exits which would be 
+// hypothetically closed  as a result of the placement of a 
+// given room candidate.
+//-----------------------------------------------------------------------------
+class CTilegenRange_ClosedExits : public ITilegenRange< const CExit * >
+{
+public:
+	CTilegenRange_ClosedExits( ITilegenExpression< const CRoomCandidate * > *pRoomCandidateExpression = NULL );
+	~CTilegenRange_ClosedExits();
+
+  virtual bool LoadFromKeyValues( KeyValues *pKeyValues );
+  virtual void Initialize( CFreeVariableMap *pContext );
+  virtual void Reset();
+  virtual bool MoveNext();
+  virtual const CExit * GetCurrent();
+
+private:
+	ITilegenExpression< const CRoomCandidate * > *m_pRoomCandidateExpression;
+	CUtlVector< CExit > m_Exits;
+	int m_nCurrentExit;
+};
+
+//-----------------------------------------------------------------------------
+// Gets the coordinates of the specified exit from the given room placement.
+// Returns true if the exit is in bounds, false otherwise.
+//-----------------------------------------------------------------------------
+bool GetExitPosition( const CRoomTemplate *pTemplate, int nX, int nY, int nExitIndex, int *pExitX, int *pExitY );
+
+//-----------------------------------------------------------------------------
+// Builds a list of new open exits that would exist if this room candidate
+// were placed in the world.
+//-----------------------------------------------------------------------------
+void BuildOpenExitList( const CRoomCandidate &roomCandidate, const CMapLayout *pMapLayout, CUtlVector< CExit > *pNewExitList );
+
+#endif // TILEGEN_RANGES_H