Added original SDK code for Alien Swarm.

public/foundry/iserverfoundry.h

@@ -0,0 +1,44 @@
+//====== Copyright <20> 1996-2005, Valve Corporation, All rights reserved. =======
+//
+// Purpose: 
+//
+//=============================================================================
+
+#ifndef ISERVERFOUNDRY_H
+#define ISERVERFOUNDRY_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "interface.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: exposed from Foundry (Hammer) to game DLL
+//-----------------------------------------------------------------------------
+class IServerFoundry : public IBaseInterface
+{
+public:
+	// This is used when you load a savegame and use certain Hammer entities on top of the savegame data.
+	virtual bool GetRestoredEntityReplacementData( int iHammerID, CUtlVector<char> &data ) = 0;
+	virtual void OnFinishedRestoreSavegame() = 0;
+
+	// Move Hammer's version of the entity.
+	virtual void MoveEntityTo( int nHammerID, const Vector &vPos, const QAngle &vAngles ) = 0;
+
+	// Move Hammer's 3D view to the specified position.
+	virtual void MoveHammerViewTo( const Vector &vPos, const QAngle &vAngles ) = 0;
+
+	// If the game is controlling the input, release it.
+	virtual void EngineGetMouseControl() = 0;
+	virtual void EngineReleaseMouseControl() = 0;
+
+	// Select the specified entities in Hammer.
+	virtual void SelectEntities( int *pHammerIDs, int nIDs ) = 0;
+
+	// Simulate a mouse click in the center of the 3D view.
+	virtual void SelectionClickInCenterOfView( const Vector &vPos, const QAngle &vAngles ) = 0;
+};
+
+#define VSERVERFOUNDRY_INTERFACE_VERSION "VSERVERFOUNDRY001"
+
+#endif // ISERVERFOUNDRY_H