add hl1,portal,dod source code

game/server/hl1/hl1_items.h

@@ -0,0 +1,26 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef HL1_ITEMS_H
+#define HL1_ITEMS_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "items.h"
+
+class CHL1Item : public CItem
+{
+public:
+	DECLARE_CLASS( CHL1Item, CItem );
+
+	void Spawn( void );
+	void Activate( void );
+};
+
+
+#endif // HL1_ITEMS_H