1 // userdata.hxx -- two classes for populating ssg user data slots in association 2 // with our implimenation of random surface objects. 3 // 4 // Written by David Megginson, started December 2001. 5 // 6 // Copyright (C) 2001 - 2003 Curtis L. Olson - http://www.flightgear.org/~curt 7 // 8 // This program is free software; you can redistribute it and/or 9 // modify it under the terms of the GNU General Public License as 10 // published by the Free Software Foundation; either version 2 of the 11 // License, or (at your option) any later version. 12 // 13 // This program is distributed in the hope that it will be useful, but 14 // WITHOUT ANY WARRANTY; without even the implied warranty of 15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 // General Public License for more details. 17 // 18 // You should have received a copy of the GNU General Public License 19 // along with this program; if not, write to the Free Software 20 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 21 // 22 // $Id$ 23 24 25 #ifndef _SG_USERDATA_HXX 26 #define _SG_USERDATA_HXX 27 28 #include <simgear/compiler.h> 29 30 #include <osg/Node> 31 32 class SGMatModel; 33 class SGPropertyNode; 34 35 /** 36 * the application must call sgUserDataInit() and specify the 37 * following values (needed by the model loader callback at draw time) 38 * before drawing any scenery. 39 */ 40 void sgUserDataInit(SGPropertyNode *p); 41 42 namespace simgear 43 { 44 /** 45 * Get the property root for the simulation 46 */ 47 SGPropertyNode* getPropertyRoot(); 48 } 49 50 #endif // _SG_USERDATA_HXX 51