#2562 thread warden

jme3-core/src/main/java/com/jme3/app/SimpleApplication.java

@@ -45,6 +45,7 @@
 import com.jme3.renderer.queue.RenderQueue.Bucket;
 import com.jme3.scene.Node;
 import com.jme3.scene.Spatial.CullHint;
+import com.jme3.scene.threadwarden.SceneGraphThreadWarden;
 import com.jme3.system.AppSettings;
 import com.jme3.system.JmeContext.Type;
 import com.jme3.system.JmeSystem;
@@ -197,6 +198,9 @@ protected BitmapFont loadGuiFont() {
     public void initialize() {
         super.initialize();
 
+        SceneGraphThreadWarden.setup(rootNode);
+        SceneGraphThreadWarden.setup(guiNode);
+
         // Several things rely on having this
         guiFont = loadGuiFont();
 
@@ -240,6 +244,12 @@ public void initialize() {
         simpleInitApp();
     }
 
+    @Override
+    public void stop(boolean waitFor) {
+        SceneGraphThreadWarden.reset();
+        super.stop(waitFor);
+    }
+
     @Override
     public void update() {
         if (prof != null) {

jme3-core/src/main/java/com/jme3/scene/Geometry.java

@@ -44,6 +44,7 @@
 import com.jme3.renderer.Camera;
 import com.jme3.scene.VertexBuffer.Type;
 import com.jme3.scene.mesh.MorphTarget;
+import com.jme3.scene.threadwarden.SceneGraphThreadWarden;
 import com.jme3.util.TempVars;
 import com.jme3.util.clone.Cloner;
 import com.jme3.util.clone.IdentityCloneFunction;
@@ -183,6 +184,7 @@ public void setIgnoreTransform(boolean ignoreTransform) {
      */
     @Override
     public void setLodLevel(int lod) {
+        SceneGraphThreadWarden.assertOnCorrectThread(this);
         if (mesh.getNumLodLevels() == 0) {
             throw new IllegalStateException("LOD levels are not set on this mesh");
         }
@@ -239,6 +241,7 @@ public int getTriangleCount() {
      * @throws IllegalArgumentException If mesh is null
      */
     public void setMesh(Mesh mesh) {
+        SceneGraphThreadWarden.assertOnCorrectThread(this);
         if (mesh == null) {
             throw new IllegalArgumentException();
         }
@@ -269,6 +272,7 @@ public Mesh getMesh() {
      */
     @Override
     public void setMaterial(Material material) {
+        SceneGraphThreadWarden.assertOnCorrectThread(this);
         this.material = material;
         nbSimultaneousGPUMorph = -1;
         if (isGrouped()) {

jme3-core/src/main/java/com/jme3/scene/Node.java

@@ -38,6 +38,7 @@
 import com.jme3.export.JmeExporter;
 import com.jme3.export.JmeImporter;
 import com.jme3.material.Material;
+import com.jme3.scene.threadwarden.SceneGraphThreadWarden;
 import com.jme3.util.SafeArrayList;
 import com.jme3.util.clone.Cloner;
 import java.io.IOException;
@@ -201,6 +202,7 @@ private void addUpdateChildren(SafeArrayList<Spatial> results) {
      *  that would change state.
      */
     void invalidateUpdateList() {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         updateListValid = false;
         if (parent != null) {
             parent.invalidateUpdateList();
@@ -344,6 +346,7 @@ public int attachChild(Spatial child) {
      * @throws IllegalArgumentException if child is null or this
      */
     public int attachChildAt(Spatial child, int index) {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         if (child == null) {
             throw new IllegalArgumentException("child cannot be null");
         }
@@ -428,6 +431,7 @@ public int detachChildNamed(String childName) {
      * @return the child at the supplied index.
      */
     public Spatial detachChildAt(int index) {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         Spatial child = children.remove(index);
         if (child != null) {
             child.setParent(null);
@@ -455,6 +459,7 @@ public Spatial detachChildAt(int index) {
      * node.
      */
     public void detachAllChildren() {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         // Note: this could be a bit more efficient if it delegated
         // to a private method that avoided setBoundRefresh(), etc.
         // for every child and instead did one in here at the end.
@@ -483,6 +488,7 @@ public int getChildIndex(Spatial sp) {
      * @param index2 The index of the second child to swap
      */
     public void swapChildren(int index1, int index2) {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         Spatial c2 = children.get(index2);
         Spatial c1 = children.remove(index1);
         children.add(index1, c2);
@@ -562,6 +568,7 @@ public List<Spatial> getChildren() {
 
     @Override
     public void setMaterial(Material mat) {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         for (int i = 0; i < children.size(); i++) {
             children.get(i).setMaterial(mat);
         }
@@ -778,6 +785,7 @@ public void read(JmeImporter importer) throws IOException {
 
     @Override
     public void setModelBound(BoundingVolume modelBound) {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         if (children != null) {
             for (Spatial child : children.getArray()) {
                 child.setModelBound(modelBound != null ? modelBound.clone(null) : null);
@@ -787,6 +795,7 @@ public void setModelBound(BoundingVolume modelBound) {
 
     @Override
     public void updateModelBound() {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         if (children != null) {
             for (Spatial child : children.getArray()) {
                 child.updateModelBound();

jme3-core/src/main/java/com/jme3/scene/Spatial.java

@@ -49,6 +49,7 @@
 import com.jme3.renderer.queue.RenderQueue.Bucket;
 import com.jme3.renderer.queue.RenderQueue.ShadowMode;
 import com.jme3.scene.control.Control;
+import com.jme3.scene.threadwarden.SceneGraphThreadWarden;
 import com.jme3.util.SafeArrayList;
 import com.jme3.util.TempVars;
 import com.jme3.util.clone.Cloner;
@@ -278,11 +279,13 @@ protected void setRequiresUpdates(boolean f) {
      * a refresh is required.
      */
     protected void setTransformRefresh() {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         refreshFlags |= RF_TRANSFORM;
         setBoundRefresh();
     }
 
     protected void setLightListRefresh() {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         refreshFlags |= RF_LIGHTLIST;
         // Make sure next updateGeometricState() visits this branch
         // to update lights.
@@ -299,6 +302,7 @@ protected void setLightListRefresh() {
     }
 
     protected void setMatParamOverrideRefresh() {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         refreshFlags |= RF_MATPARAM_OVERRIDE;
         Spatial p = parent;
         while (p != null) {
@@ -316,6 +320,7 @@ protected void setMatParamOverrideRefresh() {
      * a refresh is required.
      */
     protected void setBoundRefresh() {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         refreshFlags |= RF_BOUND;
 
         Spatial p = parent;
@@ -364,7 +369,8 @@ public boolean checkCulling(Camera cam) {
             throw new IllegalStateException("Scene graph is not properly updated for rendering.\n"
                     + "State was changed after rootNode.updateGeometricState() call. \n"
                     + "Make sure you do not modify the scene from another thread!\n"
-                    + "Problem spatial name: " + getName());
+                    + "Problem spatial name: " + getName() + "\n" +
+                    SceneGraphThreadWarden.getTurnOnAssertsPrompt());
         }
 
         CullHint cm = getCullHint();
@@ -612,6 +618,7 @@ protected void updateMatParamOverrides() {
      * @see MatParamOverride
      */
     public void addMatParamOverride(MatParamOverride override) {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         if (override == null) {
             throw new IllegalArgumentException("override cannot be null");
         }
@@ -626,6 +633,7 @@ public void addMatParamOverride(MatParamOverride override) {
      * @see MatParamOverride
      */
     public void removeMatParamOverride(MatParamOverride override) {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         if (localOverrides.remove(override)) {
             setMatParamOverrideRefresh();
         }
@@ -637,6 +645,7 @@ public void removeMatParamOverride(MatParamOverride override) {
      * @see #addMatParamOverride(com.jme3.material.MatParamOverride)
      */
     public void clearMatParamOverrides() {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         if (!localOverrides.isEmpty()) {
             setMatParamOverrideRefresh();
         }
@@ -772,6 +781,7 @@ public void runControlRender(RenderManager rm, ViewPort vp) {
      * @see Spatial#removeControl(java.lang.Class)
      */
     public void addControl(Control control) {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         boolean before = requiresUpdates();
         controls.add(control);
         control.setSpatial(this);
@@ -823,6 +833,7 @@ public void addControlAt(int index, Control control) {
      * @see Spatial#addControl(com.jme3.scene.control.Control)
      */
     public void removeControl(Class<? extends Control> controlType) {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         boolean before = requiresUpdates();
         for (int i = 0; i < controls.size(); i++) {
             if (controlType.isAssignableFrom(controls.get(i).getClass())) {
@@ -850,6 +861,7 @@ public void removeControl(Class<? extends Control> controlType) {
      * @see Spatial#addControl(com.jme3.scene.control.Control)
      */
     public boolean removeControl(Control control) {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
         boolean before = requiresUpdates();
         boolean result = controls.remove(control);
         if (result) {
@@ -1005,6 +1017,7 @@ public Node getParent() {
      *            the parent of this node.
      */
     protected void setParent(Node parent) {
+        assert SceneGraphThreadWarden.updateRequirement(this, parent);
         this.parent = parent;
     }
 
@@ -1369,6 +1382,7 @@ public RenderQueue.ShadowMode getShadowMode() {
      * @param lod The lod level to set.
      */
     public void setLodLevel(int lod) {
+        assert SceneGraphThreadWarden.assertOnCorrectThread(this);
     }
 
     /**

jme3-core/src/main/java/com/jme3/scene/threadwarden/IllegalThreadSceneGraphMutation.java

@@ -0,0 +1,7 @@
+package com.jme3.scene.threadwarden;
+
+public class IllegalThreadSceneGraphMutation extends IllegalStateException{
+    public IllegalThreadSceneGraphMutation(String message){
+        super(message);
+    }
+}