-/**************************************************************************
- * tilemgr.hxx -- routines to handle dynamic management of scenery tiles
- *
- * Written by Curtis Olson, started January 1998.
- *
- * Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Id$
- * (Log is kept at end of this file)
- **************************************************************************/
+// tilemgr.hxx -- routines to handle dynamic management of scenery tiles
+//
+// Written by Curtis Olson, started January 1998.
+//
+// Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+// $Id$
+// (Log is kept at end of this file)
#ifndef _TILEMGR_HXX
#endif
-/* Initialize the Tile Manager subsystem */
+// Initialize the Tile Manager subsystem
int fgTileMgrInit( void );
-/* given the current lon/lat, fill in the array of local chunks. If
- * the chunk isn't already in the cache, then read it from disk. */
+// given the current lon/lat, fill in the array of local chunks. If
+// the chunk isn't already in the cache, then read it from disk.
int fgTileMgrUpdate( void );
-/* Render the local tiles --- hack, hack, hack */
-void fgTileMgrRender( void );
+// Determine scenery altitude. Normally this just happens when we
+// render the scene, but we'd also like to be able to do this
+// explicitely. lat & lon are in radians. abs_view_pos in meters.
+// Returns result in meters.
+double fgTileMgrCurElev( double lon, double lat, fgPoint3d *abs_view_pos );
-#endif /* _TILEMGR_HXX */
-
-
-/* $Log$
-/* Revision 1.1 1998/04/22 13:22:49 curt
-/* C++ - ifing the code a bit.
-/*
- * Revision 1.6 1998/04/21 17:02:45 curt
- * Prepairing for C++ integration.
- *
- * Revision 1.5 1998/02/12 21:59:53 curt
- * Incorporated code changes contributed by Charlie Hotchkiss
- * <chotchkiss@namg.us.anritsu.com>
- *
- * Revision 1.4 1998/01/22 02:59:42 curt
- * Changed #ifdef FILE_H to #ifdef _FILE_H
- *
- * Revision 1.3 1998/01/19 18:40:38 curt
- * Tons of little changes to clean up the code and to remove fatal errors
- * when building with the c++ compiler.
- *
- * Revision 1.2 1998/01/13 00:23:11 curt
- * Initial changes to support loading and management of scenery tiles. Note,
- * there's still a fair amount of work left to be done.
- *
- * Revision 1.1 1998/01/07 23:50:51 curt
- * "area" renamed to "tile"
- *
- * */
+// Render the local tiles --- hack, hack, hack
+void fgTileMgrRender( void );
+#endif // _TILEMGR_HXX
+
+
+// $Log$
+// Revision 1.3 1998/08/22 14:49:59 curt
+// Attempting to iron out seg faults and crashes.
+// Did some shuffling to fix a initialization order problem between view
+// position, scenery elevation.
+//
+// Revision 1.2 1998/05/20 20:53:56 curt
+// Moved global ref point and radius (bounding sphere info, and offset) to
+// data file rather than calculating it on the fly.
+// Fixed polygon winding problem in scenery generation stage rather than
+// compensating for it on the fly.
+// Made a fgTILECACHE class.
+//
+// Revision 1.1 1998/04/22 13:22:49 curt
+// C++ - ifing the code a bit.
+//
+// Revision 1.6 1998/04/21 17:02:45 curt
+// Prepairing for C++ integration.
+//
+// Revision 1.5 1998/02/12 21:59:53 curt
+// Incorporated code changes contributed by Charlie Hotchkiss
+// <chotchkiss@namg.us.anritsu.com>
+//
+// Revision 1.4 1998/01/22 02:59:42 curt
+// Changed #ifdef FILE_H to #ifdef _FILE_H
+//
+// Revision 1.3 1998/01/19 18:40:38 curt
+// Tons of little changes to clean up the code and to remove fatal errors
+// when building with the c++ compiler.
+//
+// Revision 1.2 1998/01/13 00:23:11 curt
+// Initial changes to support loading and management of scenery tiles. Note,
+// there's still a fair amount of work left to be done.
+//
+// Revision 1.1 1998/01/07 23:50:51 curt
+// "area" renamed to "tile"
projects / flightgear.git / blobdiff