From 904d046c7acc03791db4ec9910b885623d805d7b Mon Sep 17 00:00:00 2001
From: curt <curt>
Date: Tue, 3 Mar 1998 03:36:57 +0000
Subject: [PATCH] Cumulative tweaks.

---
 AssemTris/depend      | 27 +++++++++++--
 FixObj/obj.c          |  9 +++--
 SplitTris/depend      | 27 +++++++++++--
 SplitTris/splittris.c | 32 +++++++++------
 Tools/process-dem.pl  | 92 ++++++++++++++++++++++++++++---------------
 Tri2obj/depend        | 27 +++++++++++--
 Triangle/depend       | 30 ++++++++++++--
 7 files changed, 182 insertions(+), 62 deletions(-)

diff --git a/AssemTris/depend b/AssemTris/depend
index 50c56a1f3..d41a5f3cf 100644
--- a/AssemTris/depend
+++ b/AssemTris/depend
@@ -1,4 +1,23 @@
-assemtris.o: assemtris.c assemtris.h ../../Src/Include/constants.h \
- ../../Src/Include/types.h ../../Src/Math/fg_geodesy.h \
- ../../Src/Math/mat3.h ../../Src/Math/polar.h \
- ../../Src/Math/../Include/types.h ../../Src/Scenery/tileutils.h
+assemtris.o: assemtris.c /usr/include/math.h /usr/include/features.h \
+ /usr/include/sys/cdefs.h /usr/include/huge_val.h \
+ /usr/include/endian.h /usr/include/bytesex.h /usr/include/nan.h \
+ /usr/lib/gcc-lib/i486-linux/2.7.2.1/include/float.h \
+ /usr/include/values.h /usr/include/ieee754.h \
+ /usr/include/i386/ieeefp.h /usr/include/ieee854.h \
+ /usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
+ /usr/include/stdlib.h \
+ /usr/lib/gcc-lib/i486-linux/2.7.2.1/include/stddef.h \
+ /usr/include/errno.h /usr/include/linux/errno.h \
+ /usr/include/asm/errno.h /usr/include/alloca.h /usr/include/string.h \
+ /usr/include/sys/stat.h /usr/include/sys/types.h \
+ /usr/include/linux/types.h /usr/include/linux/posix_types.h \
+ /usr/include/asm/posix_types.h /usr/include/asm/types.h \
+ /usr/include/sys/bitypes.h /usr/include/linux/stat.h \
+ /usr/include/unistd.h /usr/include/posix_opt.h \
+ /usr/include/gnu/types.h /usr/include/confname.h assemtris.h \
+ /home/home17/curt/projects/FlightGear/Src/Include/fg_constants.h \
+ /home/home17/curt/projects/FlightGear/Src/Include/fg_types.h \
+ /home/home17/curt/projects/FlightGear/Src/Math/fg_geodesy.h \
+ /home/home17/curt/projects/FlightGear/Src/Math/mat3.h \
+ /home/home17/curt/projects/FlightGear/Src/Math/polar.h \
+ /home/home17/curt/projects/FlightGear/Src/Scenery/bucketutils.h
diff --git a/FixObj/obj.c b/FixObj/obj.c
index fde62bbbc..8f704957f 100644
--- a/FixObj/obj.c
+++ b/FixObj/obj.c
@@ -214,7 +214,7 @@ void obj_fix(char *infile, char *outfile) {
 	    }
 
 	    dot_prod = check_cur_face(n1, n2, n3);
-	    if ( dot_prod < -0.5 ) {
+	    if ( dot_prod < 0.0 ) {
 		/* this stripe is backwards (CW) */
 		is_ccw = 0;
 		printf(" -> Starting a backwards stripe\n");
@@ -288,9 +288,12 @@ void obj_fix(char *infile, char *outfile) {
 
 
 /* $Log$
-/* Revision 1.4  1998/01/31 00:41:25  curt
-/* Made a few changes converting floats to doubles.
+/* Revision 1.5  1998/03/03 03:37:03  curt
+/* Cumulative tweaks.
 /*
+ * Revision 1.4  1998/01/31 00:41:25  curt
+ * Made a few changes converting floats to doubles.
+ *
  * Revision 1.3  1998/01/19 19:51:07  curt
  * A couple final pre-release tweaks.
  *
diff --git a/SplitTris/depend b/SplitTris/depend
index 5b95dd978..f45316766 100644
--- a/SplitTris/depend
+++ b/SplitTris/depend
@@ -1,4 +1,23 @@
-splittris.o: splittris.c splittris.h ../../Src/Include/constants.h \
- ../../Src/Include/types.h ../../Src/Math/fg_geodesy.h \
- ../../Src/Math/mat3.h ../../Src/Math/polar.h \
- ../../Src/Math/../Include/types.h ../../Src/Scenery/tileutils.h
+splittris.o: splittris.c /usr/include/math.h /usr/include/features.h \
+ /usr/include/sys/cdefs.h /usr/include/huge_val.h \
+ /usr/include/endian.h /usr/include/bytesex.h /usr/include/nan.h \
+ /usr/lib/gcc-lib/i486-linux/2.7.2.1/include/float.h \
+ /usr/include/values.h /usr/include/ieee754.h \
+ /usr/include/i386/ieeefp.h /usr/include/ieee854.h \
+ /usr/include/stdio.h /usr/include/libio.h /usr/include/_G_config.h \
+ /usr/include/stdlib.h \
+ /usr/lib/gcc-lib/i486-linux/2.7.2.1/include/stddef.h \
+ /usr/include/errno.h /usr/include/linux/errno.h \
+ /usr/include/asm/errno.h /usr/include/alloca.h /usr/include/string.h \
+ /usr/include/sys/stat.h /usr/include/sys/types.h \
+ /usr/include/linux/types.h /usr/include/linux/posix_types.h \
+ /usr/include/asm/posix_types.h /usr/include/asm/types.h \
+ /usr/include/sys/bitypes.h /usr/include/linux/stat.h \
+ /usr/include/unistd.h /usr/include/posix_opt.h \
+ /usr/include/gnu/types.h /usr/include/confname.h splittris.h \
+ /home/home17/curt/projects/FlightGear/Src/Include/fg_constants.h \
+ /home/home17/curt/projects/FlightGear/Src/Include/fg_types.h \
+ /home/home17/curt/projects/FlightGear/Src/Math/fg_geodesy.h \
+ /home/home17/curt/projects/FlightGear/Src/Math/mat3.h \
+ /home/home17/curt/projects/FlightGear/Src/Math/polar.h \
+ /home/home17/curt/projects/FlightGear/Src/Scenery/bucketutils.h
diff --git a/SplitTris/splittris.c b/SplitTris/splittris.c
index 3646e22cc..9c8f7bfb1 100644
--- a/SplitTris/splittris.c
+++ b/SplitTris/splittris.c
@@ -456,8 +456,11 @@ void dump_obj(char *basename, char *basepath) {
 	} else {
 	    fp = body;
 	}
-	fprintf(fp, "gdn %.2f %.2f %.2f\n", 
-		nodes_orig[i][0], nodes_orig[i][1], nodes_orig[i][2]);
+
+	if ( fp != NULL ) {
+	    fprintf(fp, "gdn %.2f %.2f %.2f\n", 
+		    nodes_orig[i][0], nodes_orig[i][1], nodes_orig[i][2]);
+	}
     }
 
     printf("  calculating and writing normals\n");
@@ -541,17 +544,17 @@ void dump_obj(char *basename, char *basepath) {
 	}
     }
 
-    fclose(sw);
-    fclose(se);
-    fclose(ne);
-    fclose(nw);
+    if ( sw ) { fclose(sw); }
+    if ( se ) { fclose(se); }
+    if ( ne ) { fclose(ne); }
+    if ( nw ) { fclose(nw); }
 
-    fclose(north);
-    fclose(south);
-    fclose(east);
-    fclose(west);
+    if ( north ) { fclose(north); }
+    if ( south ) { fclose(south); }
+    if ( east ) { fclose(east); }
+    if ( west ) { fclose(west); }
 
-    fclose(body);
+    if ( body ) { fclose(body); }
 }
 
 
@@ -609,9 +612,12 @@ int main(int argc, char **argv) {
 
 
 /* $Log$
-/* Revision 1.4  1998/01/31 00:41:26  curt
-/* Made a few changes converting floats to doubles.
+/* Revision 1.5  1998/03/03 03:37:04  curt
+/* Cumulative tweaks.
 /*
+ * Revision 1.4  1998/01/31 00:41:26  curt
+ * Made a few changes converting floats to doubles.
+ *
  * Revision 1.3  1998/01/27 18:37:04  curt
  * Lots of updates to get back in sync with changes made over in .../Src/
  *
diff --git a/Tools/process-dem.pl b/Tools/process-dem.pl
index 6a692b22f..22d8ee9a7 100755
--- a/Tools/process-dem.pl
+++ b/Tools/process-dem.pl
@@ -40,16 +40,6 @@ $do_strips =     1;
 $do_fixobj =     1;
 
 
-# return the file name root (ending at last ".")
-sub file_root {
-    my($file) = @_;
-    my($pos);
-
-    $pos = rindex($file, ".");
-    return substr($file, 0, $pos);
-}
-
-
 # set the FG_ROOT environment variable if it hasn't already been set.
 if ( $ENV{FG_ROOT} eq "" ) {
     # look for a file called fgtop as a place marker
@@ -61,26 +51,64 @@ if ( $ENV{FG_ROOT} eq "" ) {
 }
 
 
-# 1.  Start with file.dem
+if ( $#ARGV < 1 ) {
+    die "Usage: $0 <error^2> dem-file1 [ dem-file2 dem-file3 ... ]\n";
+}
+
+# Start with file.dem
 
-$dem_file = shift(@ARGV);
 $error = shift(@ARGV);
 $error += 0.0;
 
-print "Source file = $dem_file  Error tolerance = $error\n";
+while ( $dem_file = shift(@ARGV) ) {
+    print "Source file = $dem_file  Error tolerance = $error\n";
 
-if ( $error < 0.5 ) {
-    die "I doubt you'll be happy with an error tolerance as low as $error.\n";
+    if ( $error < 0.5 ) {
+	die "I doubt you'll be happy with an error tolerance as " . 
+	    "low as $error.\n";
+    }
+
+
+    if ( $do_demfit ) {
+	demfit() ;
+    } else {
+	$subdir = "../Scenery/w100n040/w093n045";
+	print "WARNING:  Hardcoding subdir = $subdir\n";
+    }
+    
+    triangle_1() if ( $do_triangle_1 );
+    fixnode() if ( $do_fixnode );
+    splittris() if ( $do_splittris );
+    assemtris() if ( $do_assemtris );
+    triangle_2() if ( $do_triangle_2);
+    tri2obj() if ( $do_tri2obj );
+    strips() if ( $do_strips );
+    fixobj() if ( $do_fixobj );
 }
 
-# 2.  dem2node $FG_ROOT dem_file tolerance^2 (meters)
+
+# exit normally
+exit(0);
+
+
+# return the file name root (ending at last ".")
+sub file_root {
+    my($file) = @_;
+    my($pos);
+
+    $pos = rindex($file, ".");
+    return substr($file, 0, $pos);
+}
+
+
+# 1.  dem2node $FG_ROOT dem_file tolerance^2 (meters)
 # 
 #     - dem2node .. dem_file 160000
 #
 #     splits dem file into 64 file.node's which contain the
 #     irregularly fitted vertices
 
-if ( $do_demfit ) {
+sub demfit {
     if ( $dem_file =~ m/.gz$/ ) {
 	$command = "gzip -dc $dem_file | ./Dem2node/demfit $ENV{FG_ROOT} - $error";
     } else {
@@ -99,17 +127,15 @@ if ( $do_demfit ) {
 	}
     }
     close(OUT);
-} else {
-    $subdir = "../Scenery/w100n040/w093n045";
-    print "WARNING:  Hardcoding subdir = $subdir\n";
-}
+} 
 
-# 3.  triangle -q file (Takes file.node and produces file.1.node and
+
+# 2.  triangle -q file (Takes file.node and produces file.1.node and
 #                      file.1.ele)
 
 print "Subdirectory for this dem file is $subdir\n";
 
-if ( $do_triangle_1 ) {
+sub triangle_1 {
     @FILES = `ls $subdir`;
     foreach $file ( @FILES ) {
 	print $file;
@@ -129,13 +155,14 @@ if ( $do_triangle_1 ) {
     }
 }
 
-# 4.  fixnode file.dem subdir
+
+# 3.  fixnode file.dem subdir
 #
 #     Take the original .dem file (for interpolating Z values) and the
 #     subdirecotry containing all the file.1.node's and replace with
 #     fixed file.1.node
 
-if ( $do_fixnode ) {
+sub fixnode {
     if ( $dem_file =~ m/.gz$/ ) {
 	$command = "gzip -dc $dem_file | ./FixNode/fixnode - $subdir";
     } else {
@@ -165,7 +192,7 @@ if ( $do_fixnode ) {
 #     gets to define the edge verticies and normals.  All the other
 #     adjacent tiles must use these.
 
-if ( $do_splittris ) {
+sub splittris {
     @FILES = `ls $subdir`;
     foreach $file ( @FILES ) {
 	chop($file);
@@ -192,7 +219,7 @@ if ( $do_splittris ) {
 #     using the proper shared corners and edges.  Save as a node file
 #     so we can retriangulate.
 
-if ( $do_assemtris ) {
+sub assemtris {
     @FILES = `ls $subdir`;
     foreach $file ( @FILES ) {
 	chop($file);
@@ -215,7 +242,7 @@ if ( $do_assemtris ) {
 # 4.3 Retriangulate reassembled files (without -q option) so no new
 #     nodes are generated.
 
-if ( $do_triangle_2 ) {
+sub triangle_2 {
     @FILES = `ls $subdir`;
     foreach $file ( @FILES ) {
 	print $file;
@@ -246,7 +273,7 @@ if ( $do_triangle_2 ) {
 #     the gaps between tiles eliminated, but the colors and lighting
 #     transition smoothly across tile boundaries.
 
-if ( $do_tri2obj ) {
+sub tri2obj {
     @FILES = `ls $subdir`;
     foreach $file ( @FILES ) {
 	chop($file);
@@ -278,7 +305,7 @@ if ( $do_tri2obj ) {
 #
 #     strips produces a file called "bands.d" ... copy this to file.2.obj
 
-if ( $do_strips ) {
+sub strips {
     @FILES = `ls $subdir`;
     foreach $file ( @FILES ) {
 	chop($file);
@@ -313,7 +340,7 @@ if ( $do_strips ) {
 #
 #     Sort file.2.obj by strip winding
 
-if ( $do_fixobj ) {
+sub fixobj {
     @FILES = `ls $subdir`;
     foreach $file ( @FILES ) {
 	chop($file);
@@ -337,6 +364,9 @@ if ( $do_fixobj ) {
 
 #---------------------------------------------------------------------------
 # $Log$
+# Revision 1.11  1998/03/03 03:36:57  curt
+# Cumulative tweaks.
+#
 # Revision 1.10  1998/02/01 03:42:26  curt
 # Modifications to handle compressed dem files.
 #
diff --git a/Tri2obj/depend b/Tri2obj/depend
index 06689736e..1ae0d9c5f 100644
--- a/Tri2obj/depend
+++ b/Tri2obj/depend
@@ -1,4 +1,23 @@
-tri2obj.o: tri2obj.c tri2obj.h ../../Src/Include/constants.h \
- ../../Src/Include/types.h ../../Src/Math/fg_geodesy.h \
- ../../Src/Math/mat3.h ../../Src/Math/polar.h \
- ../../Src/Math/../Include/types.h ../../Src/Scenery/tileutils.h
+tri2obj.o: tri2obj.c /usr/include/stdio.h /usr/include/features.h \
+ /usr/include/sys/cdefs.h /usr/include/libio.h \
+ /usr/include/_G_config.h /usr/include/stdlib.h \
+ /usr/lib/gcc-lib/i486-linux/2.7.2.1/include/stddef.h \
+ /usr/include/errno.h /usr/include/linux/errno.h \
+ /usr/include/asm/errno.h /usr/include/alloca.h /usr/include/string.h \
+ /usr/include/sys/stat.h /usr/include/sys/types.h \
+ /usr/include/linux/types.h /usr/include/linux/posix_types.h \
+ /usr/include/asm/posix_types.h /usr/include/asm/types.h \
+ /usr/include/sys/bitypes.h /usr/include/linux/stat.h \
+ /usr/include/unistd.h /usr/include/posix_opt.h \
+ /usr/include/gnu/types.h /usr/include/confname.h tri2obj.h \
+ /home/home17/curt/projects/FlightGear/Src/Include/fg_constants.h \
+ /usr/include/math.h /usr/include/huge_val.h /usr/include/endian.h \
+ /usr/include/bytesex.h /usr/include/nan.h \
+ /usr/lib/gcc-lib/i486-linux/2.7.2.1/include/float.h \
+ /usr/include/values.h /usr/include/ieee754.h \
+ /usr/include/i386/ieeefp.h /usr/include/ieee854.h \
+ /home/home17/curt/projects/FlightGear/Src/Include/fg_types.h \
+ /home/home17/curt/projects/FlightGear/Src/Math/fg_geodesy.h \
+ /home/home17/curt/projects/FlightGear/Src/Math/mat3.h \
+ /home/home17/curt/projects/FlightGear/Src/Math/polar.h \
+ /home/home17/curt/projects/FlightGear/Src/Scenery/bucketutils.h
diff --git a/Triangle/depend b/Triangle/depend
index 8265ad69e..3293c1b40 100644
--- a/Triangle/depend
+++ b/Triangle/depend
@@ -1,3 +1,27 @@
-showme.o: showme.c
-triangle.o: triangle.c
-tricall.o: tricall.c triangle.h
+showme.o: showme.c /usr/include/stdio.h /usr/include/features.h \
+ /usr/include/sys/cdefs.h /usr/include/libio.h \
+ /usr/include/_G_config.h /usr/include/string.h \
+ /usr/lib/gcc-lib/i486-linux/2.7.2.1/include/stddef.h \
+ /usr/include/X11/Xlib.h /usr/include/sys/types.h \
+ /usr/include/linux/types.h /usr/include/linux/posix_types.h \
+ /usr/include/asm/posix_types.h /usr/include/asm/types.h \
+ /usr/include/sys/bitypes.h /usr/include/X11/X.h \
+ /usr/include/X11/Xfuncproto.h /usr/include/X11/Xosdefs.h \
+ /usr/include/X11/Xutil.h /usr/include/X11/Xatom.h
+triangle.o: triangle.c /usr/include/stdio.h /usr/include/features.h \
+ /usr/include/sys/cdefs.h /usr/include/libio.h \
+ /usr/include/_G_config.h /usr/include/string.h \
+ /usr/lib/gcc-lib/i486-linux/2.7.2.1/include/stddef.h \
+ /usr/include/math.h /usr/include/huge_val.h /usr/include/endian.h \
+ /usr/include/bytesex.h /usr/include/nan.h \
+ /usr/lib/gcc-lib/i486-linux/2.7.2.1/include/float.h \
+ /usr/include/values.h /usr/include/ieee754.h \
+ /usr/include/i386/ieeefp.h /usr/include/ieee854.h \
+ /usr/include/sys/time.h /usr/include/linux/types.h \
+ /usr/include/linux/posix_types.h /usr/include/asm/posix_types.h \
+ /usr/include/asm/types.h /usr/include/linux/time.h \
+ /usr/include/time.h /usr/include/sys/types.h \
+ /usr/include/sys/bitypes.h
+tricall.o: tricall.c /usr/include/stdio.h /usr/include/features.h \
+ /usr/include/sys/cdefs.h /usr/include/libio.h \
+ /usr/include/_G_config.h triangle.h