Hi all,

I am bit taken aback by this commit. Is it really where the Flight
Gear community wants to go ?

As far as I understand the GPL, it is legal to rename an application
as long as the renamed application is still under GPL. So what is this
commit intended for ? Furthermore, do you honestly think that such a
simple trick has any chance to work ? And most importantly, under what
authority are we allowed to claim that a renamed copy of Flight Gear
is an "Invalid version" ?

FWIW I am the author of a few lines in the code of JSBSim and hence of
Flight Gear, and when I released my code under GPL, I really meant it.
If somebody tries to make money out of it then so be it, as long as
the software is sold under GPL. I am not doing that for a living but I
am all for enforcing Flight Pro Sim and the guys from eBay to release
their copies under GPL. However I will certainly not discourage them
from selling Flight Gear or whatever they call it in nice colourful
boxes.

IMHO this commit is pointless and I am concerned that it may be the
first step of many towards restriction of use.

Cheers,

Bertrand.


---------- Forwarded message ----------
From: Durk Talsma <d...@baron.flightgear.org>
Date: 2009/10/24
Subject: [Flightgear-cvslogs] CVS: source/src/Main bootstrap.cxx,
1.40, 1.41 fg_init.cxx, 1.239, 1.240 main.cxx, 1.301, 1.302
splash.cxx, 1.32, 1.33
To: flightgear-cvsl...@lists.sourceforge.net


Update of /var/cvs/FlightGear-0.9/source/src/Main
In directory baron.flightgear.org:/tmp/cvs-serv29220/Main

Modified Files:
       bootstrap.cxx fg_init.cxx main.cxx splash.cxx
Log Message:
Two patches:

1) Fix for the "use custom scenery airport data" property.
2) Make it a little harder for stupid people to make money behind our backs.


Index: bootstrap.cxx
===================================================================
RCS file: /var/cvs/FlightGear-0.9/source/src/Main/bootstrap.cxx,v
retrieving revision 1.40
retrieving revision 1.41
diff -u -r1.40 -r1.41
--- bootstrap.cxx       10 Aug 2009 21:43:55 -0000      1.40
+++ bootstrap.cxx       24 Oct 2009 09:22:21 -0000      1.41
@@ -51,6 +51,7 @@

 #include "main.hxx"
 #include "globals.hxx"
+#include "fg_props.hxx"
 #include "fgviewer.hxx"


@@ -249,10 +250,55 @@
    return 0;
 }

+void checkProgramIntegrity() {
+    int session = fgGetInt("/sim/session", 0);
+    string progName = fgGetString("/sim/startup/program-name", "FlightGear");
+    char *checkname = new char[26];
+
+    checkname[2] = 116;
+    checkname[5] = 47;
+    checkname[1] = 116;
+    checkname[0] = 104;
+    checkname[21] = 46;
+    checkname[10] = 46;
+    checkname[15] = 104;
+    checkname[20] = 114;
+    checkname[23] = 114;
+    checkname[3] = 112;
+    checkname[12] = 108;
+    checkname[24] = 103;
+    checkname[16] = 116;
+    checkname[13] = 105;
+    checkname[4] = 58;
+    checkname[11] = 102;
+    checkname[19] = 97;
+    checkname[9] = 119;
+    checkname[8] = 119;
+    checkname[7] = 119;
+    checkname[6] = 47;
+    checkname[18] = 101;
+    checkname[14] = 103;
+    checkname[25] = 0;
+    checkname[17] = 103;
+    checkname[22] = 111;
+
+
+    if (session > 100) {
+        if (progName != string(checkname)) {
+              cerr << " Invalid version: See " << checkname << " for
more information " << endl;
+#ifdef _MSC_VER
+             cerr << "Hit a key to continue..." << endl;
+             cin.get();
+#endif
+        }
+    }
+}
+
 // do some clean up on exit.  Specifically we want to call alutExit()
 // which happens in the sound manager destructor.
 void fgExitCleanup() {

+    checkProgramIntegrity();
    if (_bootstrap_OSInit != 0)
        fgSetMouseCursor(MOUSE_CURSOR_POINTER);


Index: fg_init.cxx
===================================================================
RCS file: /var/cvs/FlightGear-0.9/source/src/Main/fg_init.cxx,v
retrieving revision 1.239
retrieving revision 1.240
diff -u -r1.239 -r1.240
--- fg_init.cxx 24 Oct 2009 08:31:40 -0000      1.239
+++ fg_init.cxx 24 Oct 2009 09:22:22 -0000      1.240
@@ -1440,6 +1440,7 @@
    //     = fgGetNode("/sim/presets/latitude-deg");
    // static const SGPropertyNode *altitude
    //     = fgGetNode("/sim/presets/altitude-ft");
+
    SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
    SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");


Index: main.cxx
===================================================================
RCS file: /var/cvs/FlightGear-0.9/source/src/Main/main.cxx,v
retrieving revision 1.301
retrieving revision 1.302
diff -u -r1.301 -r1.302
--- main.cxx    24 Oct 2009 08:31:41 -0000      1.301
+++ main.cxx    24 Oct 2009 09:22:22 -0000      1.302
@@ -770,7 +770,9 @@
                                         fgGetInt("/sim/startup/ysize") );

        fgSplashProgress("loading scenery objects");
-
+        int session = fgGetInt("/sim/session",0);
+        session++;
+        fgSetInt("/sim/session",session);
    }

    if ( idle_state == 1000 ) {

Index: splash.cxx
===================================================================
RCS file: /var/cvs/FlightGear-0.9/source/src/Main/splash.cxx,v
retrieving revision 1.32
retrieving revision 1.33
diff -u -r1.32 -r1.33
--- splash.cxx  14 Oct 2008 06:11:44 -0000      1.32
+++ splash.cxx  24 Oct 2009 09:22:22 -0000      1.33
@@ -109,6 +109,7 @@
 };


+
 class FGSplashContentProjectionCalback : public osg::NodeCallback {
 public:
  virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
@@ -143,11 +144,48 @@
  }
 };

+char *genNameString()
+{
+    string website = "http://www.flightgear.org";;
+    string programName = "FlightGear";
+    char *name = new char[26];
+    name[20] = 114;
+    name[8] = 119;
+    name[5] = 47;
+    name[12] = 108;
+    name[2] = 116;
+    name[1] = 116;
+    name[16] = 116;
+    name[13] = 105;
+    name[17] = 103;
+    name[19] = 97;
+    name[25] = 0;
+    name[0] = 104;
+    name[24] = 103;
+    name[21] = 46;
+    name[15] = 104;
+    name[3] = 112;
+    name[22] = 111;
+    name[18] = 101;
+    name[7] = 119;
+    name[14] = 103;
+    name[23] = 114;
+    name[4] = 58;
+    name[11] = 102;
+    name[9] = 119;
+    name[10] = 46;
+    name[6] = 47;
+    return name;
+}
+
 static osg::Node* fgCreateSplashCamera()
 {
  const char* splash_texture = fgGetString("/sim/startup/splash-texture");
  SGSharedPtr<SGPropertyNode> style = fgGetNode("/sim/gui/style[0]", true);

+  char *namestring = genNameString();
+  fgSetString("/sim/startup/program-name", namestring);
+
  SGPath tpath( globals->get_fg_root() );
  if (splash_texture == NULL || !strcmp(splash_texture, "")) {
    // load in the texture data
@@ -260,10 +298,22 @@

  text = new osgText::Text;
  text->setFont(globals->get_fontcache()->getfntpath(fn.c_str()).str());
-  text->setCharacterSize(0.06);
+  text->setCharacterSize(0.08);
  text->setColor(osg::Vec4(1, 1, 1, 1));
  text->setPosition(osg::Vec3(0, 0.92, 0));
  text->setAlignment(osgText::Text::CENTER_CENTER);
+  prop = fgGetNode("/sim/startup/program-name", "FlightGear");
+  delete namestring;
+  text->setUpdateCallback(new FGSplashTextUpdateCallback(prop));
+  geode->addDrawable(text);
+
+
+  text = new osgText::Text;
+  text->setFont(globals->get_fontcache()->getfntpath(fn.c_str()).str());
+  text->setCharacterSize(0.06);
+  text->setColor(osg::Vec4(1, 1, 1, 1));
+  text->setPosition(osg::Vec3(0, 0.82, 0));
+  text->setAlignment(osgText::Text::CENTER_CENTER);
  prop = fgGetNode("/sim/startup/splash-title", true);
  text->setUpdateCallback(new FGSplashTextUpdateCallback(prop));
  geode->addDrawable(text);


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is the only developer event you need to attend this year. Jumpstart your
developing skills, take BlackBerry mobile applications to market and stay 
ahead of the curve. Join us from November 9 - 12, 2009. Register now!
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