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- /*
- * Copyright (C) 1994, Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
- * the contents of this file may not be disclosed to third parties, copied or
- * duplicated in any form, in whole or in part, without the prior written
- * permission of Silicon Graphics, Inc.
- *
- * RESTRICTED RIGHTS LEGEND:
- * Use, duplication or disclosure by the Government is subject to restrictions
- * as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
- * and Computer Software clause at DFARS 252.227-7013, and/or in similar or
- * successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
- * rights reserved under the Copyright Laws of the United States.
- */
- #ifndef EXTERN_H
- #define EXTERN_H
-
- #include <Inventor/nodes/SoPerspectiveCamera.h>
- #include <Inventor/nodes/SoSeparator.h>
- #include <Inventor/nodes/SoTranslation.h>
- #include <Inventor/SoXt.h>
- #include <Inventor/SoXtRenderArea.h>
- class ShipObject;
-
- // display.c++
- extern Display* display; // X display
- extern Widget mainWindow; // top-level shell widget
- extern SoXtRenderArea* view; // view screen
-
- // main.c++
- extern int buttonPressed[3]; // mouse button states
- extern int frameNumber;
- extern int frameDrawn;
-
- // ship.c++
- extern ShipObject* myShip; // pointer to my ship
-
- // universe.c++
- extern SoSeparator* universe; // universe database
- extern SoPerspectiveCamera* camera; // ship's camera
- extern SoTranslation* position; // camera position
- extern SoSeparator* ships; // all ships under here
-
- #endif
-