Catch errors when initializing OpenGL and allow them to be displayed to

the user.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3573 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/jme/JmeApp.java

@@ -86,9 +86,13 @@ public class JmeApp
      * to begin the rendering/event loop. Derived classes can override
      * this, being sure to call super before doing their own
      * initalization.
+     *
+     * @return true if the application initialized successfully, false if
+     * initialization failed. (See {@link #reportInitFailure}.)
      */
-    public void init ()
+    public boolean init ()
     {
+        try {
             // load up our renderer configuration
             _properties = new PropertiesIO(getConfigPath("jme.cfg"));
             readDisplayConfig();
@@ -129,6 +133,13 @@ public class JmeApp
                 _stats.updateGeometricState(0f, true);
                 _stats.updateRenderState();
             }
+
+            return true;
+
+        } catch (Exception e) {
+            reportInitFailure(e);
+            return false;
+        }
     }
 
     /**
@@ -327,6 +338,15 @@ public class JmeApp
         InputSystem.getMouseInput().setCursorVisible(true);
     }
 
+    /**
+     * Called when initialization fails to give the application a chance
+     * to report the failure to the user.
+     */
+    protected void reportInitFailure (Exception e)
+    {
+        Log.logStackTrace(e);
+    }
+
     /**
      * Processes a single frame.
      */