Final 0.3.5 tweaks.

popped off the stack in a situation where it could be garbage
collected.  I believe this is the source of the spurious "non-object
have no members" bug that has been reported.

.cvsignore

@@ -7,3 +7,4 @@ config.cache
 config.log
 config.status
 configure
+do-config.sh

NEWS

@@ -1,5 +1,5 @@
-New in 0.3.5.pre1
-* March 22, 2004
+New in 0.3.5
+* March 26, 2004
 
 * Added Andy's nasal interpreter for small built in scripting tasks.
   Nasal integrates nicely with FlightGear's property system.

configure.ac

@@ -10,7 +10,7 @@ dnl Require at least automake 2.52
 AC_PREREQ(2.52)
 
 dnl Initialize the automake stuff
-AM_INIT_AUTOMAKE(SimGear, 0.3.5.pre1)
+AM_INIT_AUTOMAKE(SimGear, 0.3.5)
 
 dnl Specify KAI C++ compiler and flags.
 dnl Borrowed with slight modification from blitz distribution.
@@ -113,6 +113,13 @@ else
 fi
 AM_CONDITIONAL(ENABLE_JPEG_SERVER, test "x$with_jpeg_factory" = "xyes")
 
+# specify the plib location
+AC_ARG_WITH(plib, [  --with-plib=PREFIX      Specify the prefix path to plib])
+
+if test "x$with_plib" != "x" ; then
+    echo "plib prefix is $with_plib"
+    EXTRA_DIRS="${EXTRA_DIRS} $with_plib"
+fi
 
 dnl Determine an extra directories to add to include/lib search paths
 case "${host}" in
@@ -127,7 +134,7 @@ case "${host}" in
     if test -d /opt/X11R6 ; then
         EXTRA_DIR2="/opt/X11R6"
     fi
-    EXTRA_DIRS="$EXTRA_DIR1 $EXTRA_DIR2"
+    EXTRA_DIRS="${EXTRA_DIRS} $EXTRA_DIR1 $EXTRA_DIR2"
     ;;
 
 esac

simgear/metar/.cvsignore

@@ -0,0 +1,3 @@
+.deps
+Makefile
+Makefile.in

simgear/nasal/code.c

@@ -454,6 +454,7 @@ static void run1(struct Context* ctx, struct Frame* f, naRef code)
         break;
     case OP_MCALL:
         c = POP(ctx); b = POP(ctx); a = POP(ctx); // a,b,c = obj, func, args
+        naVec_append(ctx->temps, a);
         setupFuncall(ctx, b, c);
         naHash_set(ctx->fStack[ctx->fTop-1].locals, ctx->meRef, a);
         break;

simgear/scene/sky/cloud.cxx

@@ -203,7 +203,16 @@ SGCloudLayer::rebuild()
 
     const float layer_scale = layer_span / scale;
     const float mpi = SG_PI/4;
-    const float alt_diff = layer_asl * 0.8;
+
+    // caclculate the difference between a flat-earth model and 
+    // a round earth model given the span and altutude ASL of
+    // the cloud layer. This is the difference in altitude between
+    // the top of the inverted bowl and the edge of the bowl.
+    // const float alt_diff = layer_asl * 0.8;
+    const float layer_to_core = (SG_EARTH_RAD * 1000 + layer_asl);
+    const float layer_angle = acos( 0.5*layer_span / layer_to_core);
+    const float border_to_core = layer_to_core * sin(layer_angle);
+    const float alt_diff = layer_to_core - border_to_core;
 
     for (int i = 0; i < 4; i++)
     {

simgear/screen/colors.hxx

@@ -47,13 +47,6 @@ inline void gamma_correct_rgb(float *color,
     color[0] = pow(color[0], tmp);
     color[1] = pow(color[1], tmp);
     color[2] = pow(color[2], tmp);
-
-    if ( color[0] < 0.0 ) { color[0] = 0.0; }
-    if ( color[1] < 0.0 ) { color[1] = 0.0; }
-    if ( color[2] < 0.0 ) { color[2] = 0.0; }
-    if ( color[0] > 1.0 ) { color[0] = 1.0; }
-    if ( color[1] > 1.0 ) { color[1] = 1.0; }
-    if ( color[2] > 1.0 ) { color[2] = 1.0; }
 };
 
 inline void gamma_correct_c(float *color,
@@ -63,8 +56,6 @@ inline void gamma_correct_c(float *color,
       return;
 
    *color = pow(*color, reff/system);
-   if ( *color < 0.0 ) { *color = 0.0; }
-   if ( *color > 1.0 ) { *color = 1.0; }
 };
 
 inline void gamma_restore_rgb(float *color,
@@ -77,13 +68,6 @@ inline void gamma_restore_rgb(float *color,
     color[0] = pow(color[0], tmp);
     color[1] = pow(color[1], tmp);
     color[2] = pow(color[2], tmp);
-
-    if ( color[0] < 0.0 ) { color[0] = 0.0; }
-    if ( color[1] < 0.0 ) { color[1] = 0.0; }
-    if ( color[2] < 0.0 ) { color[2] = 0.0; }
-    if ( color[0] > 1.0 ) { color[0] = 1.0; }
-    if ( color[1] > 1.0 ) { color[1] = 1.0; }
-    if ( color[2] > 1.0 ) { color[2] = 1.0; }
 };
 
 inline void gamma_restore_c(float *color,
@@ -93,8 +77,6 @@ inline void gamma_restore_c(float *color,
       return;
 
    *color = pow(*color, system/reff);
-   if ( *color < 0.0 ) { *color = 0.0; }
-   if ( *color > 1.0 ) { *color = 1.0; }
 };