Working on intergrating the VRML (subset) parser.

Main/GLmain.c

@@ -23,6 +23,7 @@
  * (Log is kept at end of this file)
  **************************************************************************/
 
+
 #include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -65,8 +66,9 @@ extern struct mesh *mesh_ptr;
 /* Function prototypes */
 GLint fgSceneryCompile();
 static void fgSceneryDraw();
-/* pointer to terrain mesh structure */
+
-static GLint terrain, runway;
+/* pointer to scenery structure */
+static GLint scenery, runway;
 
 /* Another hack */
 double fogDensity = 2000.0;
@@ -202,7 +204,7 @@ static void fgUpdateVisuals( void ) {
     glMatrixMode(GL_MODELVIEW);
     /* glLoadIdentity(); */
 
-    /* draw terrain mesh */
+    /* draw scenery */
     fgSceneryDraw();
 
     #ifdef GLUT
@@ -271,19 +273,19 @@ void fgInitTimeDepCalcs() {
  **************************************************************************/
 
 static void fgSceneryInit() {
-    /* make terrain mesh */
+    /* make scenery */
-    terrain = fgSceneryCompile();
+    scenery = fgSceneryCompile();
     runway = fgRunwayHack(0.69, 53.07);
 }
 
 
-/* create the terrain mesh */
+/* create the scenery */
 GLint fgSceneryCompile() {
-    GLint terrain;
+    GLint scenery;
 
-    terrain = mesh2GL(mesh_ptr);
+    scenery = mesh2GL(mesh_ptr);
 
-    return(terrain);
+    return(scenery);
 }
 
 
@@ -332,13 +334,13 @@ GLint fgRunwayHack(double width, double length) {
 }
 
 
-/* draw the terrain mesh */
+/* draw the scenery */
 static void fgSceneryDraw() {
     static float z = 32.35;
 
     glPushMatrix();
 
-    glCallList(terrain);
+    glCallList(scenery);
 
     printf("*** Drawing runway at %.2f\n", z);
 
@@ -405,9 +407,6 @@ int main( int argc, char *argv[] ) {
 
     f = &current_aircraft.flight;
 
-    /* parse the scenery file */
-    parse_scenery(argv[1]);
-
     #ifdef GLUT
       /* initialize GLUT */
       glutInit(&argc, argv);
@@ -419,7 +418,7 @@ int main( int argc, char *argv[] ) {
       glutInitWindowSize(640, 480);
 
       /* Initialize the main window */
-      glutCreateWindow("Terrain Demo");
+      glutCreateWindow("Flight Gear");
     #elif MESA_TK
       /* Define initial window size */
       tkInitPosition(0, 0, 640, 480);
@@ -428,7 +427,7 @@ int main( int argc, char *argv[] ) {
       tkInitDisplayMode( TK_RGB | TK_DEPTH | TK_DOUBLE | TK_DIRECT );
 
       /* Initialize the main window */
-      if (tkInitWindow("Terrain Demo") == GL_FALSE) {
+      if (tkInitWindow("Flight Gear") == GL_FALSE) {
 	  tkQuit();
       }
     #endif
@@ -494,6 +493,14 @@ int main( int argc, char *argv[] ) {
     }
 
     /* build all objects */
+
+    /* parse the scenery file, and build the OpenGL call list */
+    /* this function will eventually move to the scenery management system */
+    if ( strlen(argv[1]) ) {
+	parse_scenery(argv[1]);
+    }
+
+    /* initialize the scenery */
     fgSceneryInit();
 
     #ifdef GLUT
@@ -537,9 +544,12 @@ int main( int argc, char *argv[] ) {
 
 
 /* $Log$
-/* Revision 1.20  1997/06/21 17:12:53  curt
+/* Revision 1.21  1997/06/22 21:44:41  curt
-/* Capitalized subdirectory names.
+/* Working on intergrating the VRML (subset) parser.
 /*
+ * Revision 1.20  1997/06/21 17:12:53  curt
+ * Capitalized subdirectory names.
+ *
  * Revision 1.19  1997/06/18 04:10:31  curt
  * A couple more runway tweaks ...
  *

Scenery/mesh.c

@@ -33,6 +33,23 @@
 #include "common.h"
 
 
+/* initialize the non-array mesh values */
+void mesh_init(struct mesh *m) {
+    m->originx = 0.0;
+    m->originy = 0.0;
+
+    m->rows = 0;
+    m->cols = 0;
+
+    m->row_step = 0.0;
+    m->col_step = 0.0;
+
+    m->cur_row = 0;
+    m->cur_col = 0;
+    m->do_data = 0;
+}
+
+
 /* return a pointer to a new mesh structure (no data array allocated yet) */
 struct mesh *(new_mesh)() {
     struct mesh *mesh_ptr;
@@ -76,13 +93,32 @@ void mesh_set_option_name(struct mesh *m, char *name) {
 	strncpy(m->option_name, name, MAX_IDENT_LEN - 1);
 	m->option_name[MAX_IDENT_LEN - 1] = '\0';
     }
+    if ( strcmp(m->option_name, "do_data") == 0 ) {
+	m->do_data = 1;
+    } else {
+	m->do_data = 0;
+    }
 }
 
+
 /* set an option value in the mesh data structure */
 void mesh_set_option_value(struct mesh *m, char *value) {
-    printf("Setting %s to %s\n", m->option_name, value);
+    /* printf("Setting %s to %s\n", m->option_name, value); */
 
-    if ( strcmp(m->option_name, "origin_lon") == 0 ) {
+    if ( m->do_data ) {
+	/* mesh data is a pseudo 2d array */
+	/* printf("Setting mesh_data[%d][%d] to %s\n", m->cur_row, m->cur_col, 
+	       value); */
+	m->mesh_data[m->cur_row * m->rows + m->cur_col] = atof(value);
+	m->cur_col++;
+	if ( m->cur_col >= m->cols ) {
+	    m->cur_col = 0;
+	    m->cur_row++;
+	    if ( m->cur_row > m->rows ) {
+		m->do_data = 0;
+	    }
+	}
+    } else if ( strcmp(m->option_name, "origin_lon") == 0 ) {
 	m->originx = atof(value);
     } else if ( strcmp(m->option_name, "origin_lat") == 0 ) {
 	m->originy = atof(value);
@@ -101,10 +137,20 @@ 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) {
+    mesh2GL(m);
+}
+
+
 /* $Log$
-/* Revision 1.4  1997/05/30 19:30:17  curt
+/* Revision 1.5  1997/06/22 21:44:41  curt
-/* The LaRCsim flight model is starting to look like it is working.
+/* Working on intergrating the VRML (subset) parser.
 /*
+ * Revision 1.4  1997/05/30 19:30:17  curt
+ * The LaRCsim flight model is starting to look like it is working.
+ *
  * Revision 1.3  1997/05/23 15:40:41  curt
  * Added GNU copyright headers.
  *

Scenery/mesh.h

@@ -43,6 +43,7 @@ struct mesh {
 
     /* a temporary values for the parser to use */
     char option_name[32];
+    int do_data;
     int cur_row, cur_col;
 };
 
@@ -50,6 +51,9 @@ struct mesh {
 /* return a pointer to a new mesh structure (no data array allocated yet) */
 struct mesh *(new_mesh)();
 
+/* 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);
 
@@ -59,13 +63,21 @@ 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);
 
+/* 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);
+
+
 #endif MESH_H
 
 
 /* $Log$
-/* Revision 1.2  1997/05/23 15:40:42  curt
+/* Revision 1.3  1997/06/22 21:44:41  curt
-/* Added GNU copyright headers.
+/* 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.
  *

Simulator/Makefile

@@ -27,7 +27,7 @@
 CC = gcc
 
 
-SUBSUBDIRS = Flight/LaRCsim Flight/Slew Scenery/ParseScn
+SUBSUBDIRS = Flight/LaRCsim Flight/Slew Scenery/ParseScn Scenery/ParseVrml
 SUBDIRS = Aircraft Controls Flight mat3 Scenery Timer
 MAIN = OpenGL
 
@@ -59,6 +59,9 @@ tar: clean
 
 #---------------------------------------------------------------------------
 # $Log$
+# Revision 1.9  1997/06/22 21:44:40  curt
+# Working on intergrating the VRML (subset) parser.
+#
 # Revision 1.8  1997/06/21 17:52:22  curt
 # Continue directory shuffling ... everything should be compilable/runnable
 # again.

Simulator/README

@@ -5,18 +5,18 @@ OpenGL/
 "main" and OpenGL dependent mouse/keyboard/graphics code.
 
 
-aircraft/
+Aircraft/
 ---------
 Structure and code to tie together all the pieces of an aircraft such
 as flight model, engine model, panel, controls, etc.
 
 
-controls/
+Controls/
 ---------
 Provide a standardized interface to all aircraft controls.
 
 
-flight/
+Flight/
 -------
 Strucures and code to implement various flight models.  Provides a 
 standardized interface to all interesting flight model variabls.
@@ -27,11 +27,21 @@ mat3/
 Contains miscellaneous matrix/vector routines.
 
 
-scenery/
+Scenery/
 --------
 Scenery parsing/generating code.
 
 
-timer/
+Sound/
+------
+Sound management code
+
+
+Timer/
 ------
 Code to handle time and timing of events.
+
+
+Weather/
+--------
+Weather management and modeling code.