Changed #ifdef FILE_H to #ifdef _FILE_H

[flightgear.git] / Scenery / mesh.h

diff --git a/Scenery/mesh.h b/Scenery/mesh.h
index fd186143bbce1302ba70c743938655901bc98376..e08c539e2dac38c5450986fba1bdb4bd10cc445a 100644 (file)
--- a/Scenery/mesh.h
+++ b/Scenery/mesh.h
@@ -3,16 +3,35 @@
  *
  * Written by Curtis Olson, started May 1997.
  *
+ * 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 MESH_H
-#define MESH_H
+#ifndef _MESH_H
+#define _MESH_H
+
 
+#include <GL/glut.h>
 
-struct mesh {
+
+struct MESH {
     /* start coordinates (in arc seconds) */
     double originx, originy;
 
@@ -27,27 +46,68 @@ struct mesh {
 
     /* a temporary values for the parser to use */
     char option_name[32];
+    int do_data;
     int cur_row, cur_col;
 };
 
 
 /* return a pointer to a new mesh structure (no data array allocated yet) */
-struct mesh *(new_mesh)();
+struct MESH *(new_mesh)( void );
+
+/* initialize the non-array mesh values */
+void mesh_init(struct MESH *m);
 
 /* return a pointer to a dynamically allocated array */
 float *(new_mesh_data)(int nrows, int ncols);
 
 /* set the option name in the mesh data structure */
-void mesh_set_option_name(struct mesh *m, char *name);
+void mesh_set_option_name(struct MESH *m, char *name);
 
 /* set an option value in the mesh data structure */
-void mesh_set_option_value(struct mesh *m, char *value);
+void mesh_set_option_value(struct MESH *m, char *value);
+
+/* do whatever needs to be done with the mesh now that it's been
+ * loaded, such as generating the OpenGL call list. */
+void mesh_do_it(struct MESH *m);
+
+/* return the current altitude based on mesh data.  We should rewrite
+ * this to interpolate exact values, but for now this is good enough */
+double mesh_altitude(double lon, double lat);
+
+/* walk through mesh and make opengl calls */
+GLint mesh_to_OpenGL(struct MESH *m);
 
-#endif MESH_H
+
+#endif /* _MESH_H */
 
 
 /* $Log$
-/* Revision 1.1  1997/05/16 16:07:05  curt
-/* Initial revision.
+/* Revision 1.9  1998/01/22 02:59:41  curt
+/* Changed #ifdef FILE_H to #ifdef _FILE_H
 /*
+ * Revision 1.8  1998/01/19 18:40:37  curt
+ * Tons of little changes to clean up the code and to remove fatal errors
+ * when building with the c++ compiler.
+ *
+ * Revision 1.7  1997/08/27 03:30:29  curt
+ * Changed naming scheme of basic shared structures.
+ *
+ * Revision 1.6  1997/08/02 19:10:15  curt
+ * Incorporated mesh2GL.c into mesh.c
+ *
+ * Revision 1.5  1997/07/23 21:52:25  curt
+ * Put comments around the text after an #endif for increased portability.
+ *
+ * Revision 1.4  1997/07/08 18:20:14  curt
+ * Working on establishing a hard ground.
+ *
+ * Revision 1.3  1997/06/22 21:44:41  curt
+ * Working on intergrating the VRML (subset) parser.
+ *
+ * Revision 1.2  1997/05/23 15:40:42  curt
+ * Added GNU copyright headers.
+ *
+ * Revision 1.1  1997/05/16 16:07:05  curt
+ * Initial revision.
+ *
  */