* Switch to new native library loader

* Deprecate old library loader
 * Add warning when the requested number of antialiasing samples cannot be satisfied
 * Cleaned up LwjglContext.determineMaxSamples()

jme3-desktop/src/main/java/com/jme3/system/JmeDesktopSystem.java

@@ -307,13 +307,5 @@ public class JmeDesktopSystem extends JmeSystemDelegate {
             logger.log(Level.SEVERE, "Security error in creating log file", ex);
         }
         logger.log(Level.INFO, "Running on {0}", getFullName());
-
-        if (!lowPermissions) {
-            try {
-                Natives.extractNativeLibs(getPlatform(), settings);
-            } catch (IOException ex) {
-                logger.log(Level.SEVERE, "Error while copying native libraries", ex);
-            }
-        }
     }
 }

jme3-desktop/src/main/java/com/jme3/system/NativeLibraryLoader.java

@@ -167,6 +167,24 @@ public final class NativeLibraryLoader {
     private NativeLibraryLoader() {
     }
     
+    /**
+     * Determine if native bullet is on the classpath.
+     * 
+     * Currently the context extracts the native bullet libraries, so
+     * this method is needed to determine if it is needed.
+     * Ideally, native bullet should be responsible for its own natives.
+     * 
+     * @return True native bullet is on the classpath, false otherwise.
+     */
+    public static boolean isUsingNativeBullet() {
+        try {
+            Class clazz = Class.forName("com.jme3.bullet.util.NativeMeshUtil");
+            return clazz != null;
+        } catch (ClassNotFoundException ex) {
+            return false;
+        }
+    }
+    
     /**
      * Specify a custom location where native libraries should
      * be extracted to. Ensure this is a unique path not used

jme3-desktop/src/main/java/com/jme3/system/Natives.java

@@ -41,7 +41,10 @@ import java.util.logging.Logger;
 /**
  * Helper class for extracting the natives (dll, so) from the jars.
  * This class should only be used internally.
+ * 
+ * @deprecated Use {@link NativeLibraryLoader} instead.
  */
+@Deprecated
 public final class Natives {
 
     private static final Logger logger = Logger.getLogger(Natives.class.getName());
@@ -238,6 +241,10 @@ public final class Natives {
     }
 
     public static void extractNativeLibs(Platform platform, AppSettings settings) throws IOException {
+        if (true) {
+            throw new UnsupportedEncodingException("Now, why would you EVER want to do that?");
+        }
+        
         String renderer = settings.getRenderer();
         String audioRenderer = settings.getAudioRenderer();
         boolean needLWJGL = false;

jme3-jogl/src/main/java/com/jme3/system/jogl/JoglAbstractDisplay.java

@@ -83,6 +83,8 @@ public abstract class JoglAbstractDisplay extends JoglContext implements GLEvent
     protected boolean wasAnimating = false;
 
     protected void initGLCanvas() {
+        loadNatives();
+        
         device = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
         
         //FIXME use the settings to know whether to use the max programmable profile

jme3-jogl/src/main/java/com/jme3/system/jogl/JoglContext.java

@@ -40,16 +40,21 @@ import com.jme3.renderer.jogl.JoglRenderer;
 import com.jme3.system.AppSettings;
 import com.jme3.system.JmeContext;
 import com.jme3.system.NanoTimer;
+import com.jme3.system.NativeLibraryLoader;
 import com.jme3.system.SystemListener;
 import com.jme3.system.Timer;
 import java.nio.IntBuffer;
 import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import javax.media.opengl.GL;
 import javax.media.opengl.GL2GL3;
 import javax.media.opengl.GLContext;
 
 public abstract class JoglContext implements JmeContext {
 
+    private static final Logger logger = Logger.getLogger(JoglContext.class.getName());
+    
     protected AtomicBoolean created = new AtomicBoolean(false);
     protected AtomicBoolean renderable = new AtomicBoolean(false);
     protected final Object createdLock = new Object();
@@ -63,6 +68,13 @@ public abstract class JoglContext implements JmeContext {
     protected MouseInput mouseInput;
     protected JoyInput joyInput;
 
+    public void loadNatives() {
+        // Not sure if need to load OpenAL here ...
+        if (NativeLibraryLoader.isUsingNativeBullet()) {
+            NativeLibraryLoader.loadNativeLibrary("bulletjme", true);
+        }
+    }
+    
     public void setSystemListener(SystemListener listener){
         this.listener = listener;
     }
@@ -162,6 +174,11 @@ public abstract class JoglContext implements JmeContext {
             samples = settings.getSamples();
             int supportedSamples = determineMaxSamples(samples);
             if (supportedSamples < samples) {
+                logger.log(Level.WARNING,
+                        "Couldn''t satisfy antialiasing samples requirement: x{0}. "
+                        + "Video hardware only supports: x{1}",
+                        new Object[]{samples, supportedSamples});
+                
                 samples = supportedSamples;
             }
         }

jme3-jogl/src/main/java/com/jme3/system/jogl/JoglNewtAbstractDisplay.java

@@ -79,6 +79,7 @@ public abstract class JoglNewtAbstractDisplay extends JoglContext implements GLE
     protected boolean wasAnimating = false;
 
     protected void initGLCanvas() {
+        loadNatives();
         //FIXME use the settings to know whether to use the max programmable profile
         //then call GLProfile.getMaxProgrammable(true);
         //FIXME use the default profile only on embedded devices

jme3-jogl/src/main/java/com/jme3/system/jogl/JoglOffscreenBuffer.java

@@ -121,6 +121,7 @@ public class JoglOffscreenBuffer extends JoglContext implements Runnable {
     }
 
     public void run(){
+        loadNatives();
         logger.log(Level.FINE, "Using JOGL {0}", NewtVersion.getInstance().getImplementationVersion());
         initInThread();
         while (!needClose.get()){

jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglAbstractDisplay.java

@@ -199,10 +199,12 @@ public abstract class LwjglAbstractDisplay extends LwjglContext implements Runna
     }
 
     public void run(){
-        if (listener == null)
+        if (listener == null) {
             throw new IllegalStateException("SystemListener is not set on context!"
                                           + "Must set with JmeContext.setSystemListner().");
+        }
 
+        loadNatives();
         logger.log(Level.FINE, "Using LWJGL {0}", Sys.getVersion());
         if (!initInThread()) {
             logger.log(Level.SEVERE, "Display initialization failed. Cannot continue.");

jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglContext.java

@@ -42,6 +42,7 @@ import com.jme3.renderer.lwjgl.LwjglRenderer;
 import com.jme3.system.AppSettings;
 import com.jme3.system.JmeContext;
 import com.jme3.system.JmeSystem;
+import com.jme3.system.NativeLibraryLoader;
 import com.jme3.system.SystemListener;
 import com.jme3.system.Timer;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -115,7 +116,6 @@ public abstract class LwjglContext implements JmeContext {
     }
     
     protected int determineMaxSamples(int requestedSamples) {
-        boolean displayWasCurrent = false;
         try {
             // If we already have a valid context, determine samples using current
             // context.
@@ -124,9 +124,10 @@ public abstract class LwjglContext implements JmeContext {
                     return GL11.glGetInteger(ARBFramebufferObject.GL_MAX_SAMPLES);
                 } else if (GLContext.getCapabilities().GL_EXT_framebuffer_multisample) {
                     return GL11.glGetInteger(EXTFramebufferMultisample.GL_MAX_SAMPLES_EXT);
+                } else {
+                    // Unknown.
+                    return Integer.MAX_VALUE;
                 }
-                // Doesn't support any of the needed extensions .. continue down.
-                displayWasCurrent = true;
             }
         } catch (LWJGLException ex) {
             listener.handleError("Failed to check if display is current", ex);
@@ -138,74 +139,59 @@ public abstract class LwjglContext implements JmeContext {
         } else {
             Pbuffer pb = null;
             
-            if (!displayWasCurrent) {
-                // OpenGL2 method: Create pbuffer and query samples
-                // from GL_ARB_framebuffer_object or GL_EXT_framebuffer_multisample.
-                try {
-                    pb = new Pbuffer(1, 1, new PixelFormat(0, 0, 0), null);
-                    pb.makeCurrent();
-
-                    if (GLContext.getCapabilities().GL_ARB_framebuffer_object) {
-                        return GL11.glGetInteger(ARBFramebufferObject.GL_MAX_SAMPLES);
-                    } else if (GLContext.getCapabilities().GL_EXT_framebuffer_multisample) {
-                        return GL11.glGetInteger(EXTFramebufferMultisample.GL_MAX_SAMPLES_EXT);
-                    }
+            // OpenGL2 method: Create pbuffer and query samples
+            // from GL_ARB_framebuffer_object or GL_EXT_framebuffer_multisample.
+            try {
+                pb = new Pbuffer(1, 1, new PixelFormat(0, 0, 0), null);
+                pb.makeCurrent();
 
-                    // OpenGL2 method failed.
-                } catch (LWJGLException ex) {
-                    // Something else failed.
-                    return Integer.MAX_VALUE;
-                } finally { 
-                    if (pb != null) {
-                        pb.destroy();
-                        pb = null;
-                    }
+                if (GLContext.getCapabilities().GL_ARB_framebuffer_object) {
+                    return GL11.glGetInteger(ARBFramebufferObject.GL_MAX_SAMPLES);
+                } else if (GLContext.getCapabilities().GL_EXT_framebuffer_multisample) {
+                    return GL11.glGetInteger(EXTFramebufferMultisample.GL_MAX_SAMPLES_EXT);
                 }
-            }
-            
-            // OpenGL1 method (DOESNT WORK RIGHT NOW ..)
-            requestedSamples = FastMath.nearestPowerOfTwo(requestedSamples);
-            try {
-                requestedSamples = Integer.MAX_VALUE;
-                /*
-                while (requestedSamples > 1) {
-                    try {
-                        pb = new Pbuffer(1, 1, new PixelFormat(16, 0, 8, 0, requestedSamples), null);
-                    } catch (LWJGLException ex) {
-                        if (ex.getMessage().startsWith("Failed to find ARB pixel format")) {
-                            // Unsupported format, so continue.
-                            requestedSamples = FastMath.nearestPowerOfTwo(requestedSamples / 2);
-                        } else {
-                            // Something else went wrong ..
-                            return Integer.MAX_VALUE;
-                        }
-                    } finally {
-                        if (pb != null){
-                            pb.destroy();
-                            pb = null;
-                        }
-                    }
-                }*/
-            } finally {
-                if (displayWasCurrent) {
-                    try {
-                        Display.makeCurrent();
-                    } catch (LWJGLException ex) {
-                        listener.handleError("Failed to make display current after checking samples", ex);
-                    }
+
+                // OpenGL2 method failed.
+                return Integer.MAX_VALUE;
+            } catch (LWJGLException ex) {
+                // Something else failed.
+                return Integer.MAX_VALUE;
+            } finally { 
+                if (pb != null) {
+                    pb.destroy();
                 }
             }
-            
-            return requestedSamples;
         }
     }
     
+    protected void loadNatives() {        
+        if (JmeSystem.isLowPermissions()) {
+            return;
+        }
+        if ("LWJGL".equals(settings.getAudioRenderer())) {
+            NativeLibraryLoader.loadNativeLibrary("openal", true);
+        }
+        if (settings.useJoysticks()) {
+            NativeLibraryLoader.loadNativeLibrary("jinput", true);
+            NativeLibraryLoader.loadNativeLibrary("jinput-dx8", true);
+        }
+        if (NativeLibraryLoader.isUsingNativeBullet()) {
+            NativeLibraryLoader.loadNativeLibrary("bulletjme", true);
+        }
+        NativeLibraryLoader.loadNativeLibrary("lwjgl", true);
+    }
+    
     protected int getNumSamplesToUse() {
         int samples = 0;
         if (settings.getSamples() > 1){
             samples = settings.getSamples();
             int supportedSamples = determineMaxSamples(samples);
             if (supportedSamples < samples) {
+                logger.log(Level.WARNING,
+                        "Couldn''t satisfy antialiasing samples requirement: x{0}. "
+                        + "Video hardware only supports: x{1}",
+                        new Object[]{samples, supportedSamples});
+                
                 samples = supportedSamples;
             }
         }