From ea6e817f7f1ee45ea1cdde9d5028e4348b175458 Mon Sep 17 00:00:00 2001
From: "nor..67" <normen667@gmail.com>
Date: Tue, 3 May 2011 21:51:33 +0000
Subject: [PATCH] - load library in Natives.java on demand

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7417 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
---
 .../bullet/com/jme3/bullet/PhysicsSpace.java  |  2 -
 .../src/desktop/com/jme3/system/Natives.java  | 38 ++++++++++++-------
 2 files changed, 24 insertions(+), 16 deletions(-)

diff --git a/engine/src/bullet/com/jme3/bullet/PhysicsSpace.java b/engine/src/bullet/com/jme3/bullet/PhysicsSpace.java
index e443c07b9..c8efbeb66 100644
--- a/engine/src/bullet/com/jme3/bullet/PhysicsSpace.java
+++ b/engine/src/bullet/com/jme3/bullet/PhysicsSpace.java
@@ -142,7 +142,6 @@ public class PhysicsSpace {
         this.worldMax.set(worldMax);
         this.broadphaseType = broadphaseType;
         create();
-        System.loadLibrary("bulletjme");
         initNativePhysics();
     }
 
@@ -151,7 +150,6 @@ public class PhysicsSpace {
      */
     public void create() {
         //TODO: boroadphase!
-        System.loadLibrary("bulletjme");
         initNativePhysics();
         physicsSpaceId = createPhysicsSpace(worldMin.x, worldMin.y, worldMin.z, worldMax.x, worldMax.y, worldMax.z, 3, false);
         pQueueTL.set(pQueue);
diff --git a/engine/src/desktop/com/jme3/system/Natives.java b/engine/src/desktop/com/jme3/system/Natives.java
index 7923bc9db..bd28584ac 100644
--- a/engine/src/desktop/com/jme3/system/Natives.java
+++ b/engine/src/desktop/com/jme3/system/Natives.java
@@ -58,15 +58,20 @@ public class Natives {
     }
 
     protected static void extractNativeLib(String sysName, String name) throws IOException {
+        extractNativeLib(sysName, name, false);
+    }
+
+    protected static void extractNativeLib(String sysName, String name, boolean load) throws IOException {
         String fullname = System.mapLibraryName(name);
 
         String path = "native/" + sysName + "/" + fullname;
         InputStream in = Thread.currentThread().getContextClassLoader().getResourceAsStream(path);
         //InputStream in = Natives.class.getResourceAsStream();
         if (in == null) {
-            if(name!="bulletjme")
-            logger.log(Level.WARNING, "Cannot locate native library: {0}/{1}",
-                    new String[]{sysName, fullname});
+            if (name != "bulletjme") {
+                logger.log(Level.WARNING, "Cannot locate native library: {0}/{1}",
+                        new String[]{sysName, fullname});
+            }
             return;
         }
         File targetFile = new File(workingDir, fullname);
@@ -80,12 +85,17 @@ public class Natives {
             out.close();
         } catch (FileNotFoundException ex) {
             if (ex.getMessage().contains("used by another process")) {
+                if (load) {
+                    System.load(targetFile.getAbsolutePath());
+                }
                 return;
             }
 
             throw ex;
         }
-
+        if (load) {
+            System.load(targetFile.getAbsolutePath());
+        }
         logger.log(Level.FINE, "Copied {0} to {1}", new Object[]{fullname, targetFile});
     }
 
@@ -150,8 +160,8 @@ public class Natives {
                     extractNativeLib("windows", "jinput-dx8_64");
                     extractNativeLib("windows", "jinput-raw_64");
                 }
-                if(needNativeBullet){
-                    extractNativeLib("windows", "bulletjme");
+                if (needNativeBullet) {
+                    extractNativeLib("windows", "bulletjme", true);
                 }
                 break;
             case Windows32:
@@ -165,8 +175,8 @@ public class Natives {
                     extractNativeLib("windows", "jinput-dx8");
                     extractNativeLib("windows", "jinput-raw");
                 }
-                if(needNativeBullet){
-                    extractNativeLib("windows", "bulletjme");
+                if (needNativeBullet) {
+                    extractNativeLib("windows", "bulletjme", true);
                 }
                 break;
             case Linux64:
@@ -179,8 +189,8 @@ public class Natives {
                 if (needOAL) {
                     extractNativeLib("linux", "openal64");
                 }
-                if(needNativeBullet){
-                    extractNativeLib("linux", "bulletjme");
+                if (needNativeBullet) {
+                    extractNativeLib("linux", "bulletjme", true);
                 }
                 break;
             case Linux32:
@@ -193,8 +203,8 @@ public class Natives {
                 if (needOAL) {
                     extractNativeLib("linux", "openal");
                 }
-                if(needNativeBullet){
-                    extractNativeLib("linux", "bulletjme32");
+                if (needNativeBullet) {
+                    extractNativeLib("linux", "bulletjme", true);
                 }
                 break;
             case MacOSX_PPC32:
@@ -209,8 +219,8 @@ public class Natives {
                 if (needJInput) {
                     extractNativeLib("macosx", "jinput-osx");
                 }
-                if(needNativeBullet){
-                    extractNativeLib("macosx", "bulletjme");
+                if (needNativeBullet) {
+                    extractNativeLib("macosx", "bulletjme", true);
                 }
                 break;
         }