more comment-only corrections

jme3-android-examples/src/main/java/org/jmonkeyengine/jme3androidexamples/JmeFragment.java

@@ -10,7 +10,7 @@ import java.util.logging.LogManager;
 import static org.jmonkeyengine.jme3androidexamples.MainActivity.*;
 
 /**
- * A placeholder fragment containing a the jME GLSurfaceView.
+ * A placeholder fragment containing a jME GLSurfaceView.
  */
 public class JmeFragment extends AndroidHarnessFragment {
 

jme3-blender/src/main/java/com/jme3/scene/plugins/blender/file/Field.java

@@ -27,7 +27,7 @@ class Field implements Cloneable {
     /** This variable indicates the level of the pointer. */
     public int               pointerLevel;
     /**
-     * This variable determines the sizes of the array. If the value is null the n the field is not an array.
+     * This variable determines the sizes of the array. If the value is null then the field is not an array.
      */
     public int[]             tableSizes;
     /** This variable indicates if the field is a function pointer. */
@@ -52,7 +52,7 @@ class Field implements Cloneable {
 
     /**
      * Copy constructor. Used in clone method. Copying is not full. The value in the new object is not set so that we
-     * have a clead empty copy of the filed to fill with data.
+     * have a clean empty copy of the field to fill with data.
      * @param field
      *            the object that we copy
      */
@@ -73,7 +73,7 @@ class Field implements Cloneable {
     }
 
     /**
-     * This method fills the field wth data read from the input stream.
+     * This method fills the field with data read from the input stream.
      * @param blenderInputStream
      *            the stream we read data from
      * @throws BlenderFileException
@@ -264,9 +264,9 @@ class Field implements Cloneable {
     }
 
     /**
-     * This method removes all whitespaces from the text.
+     * This method removes all whitespace from the text.
      * @param text
-     *            the text we remove whitespaces from
+     *            the text we remove whitespace from
      */
     private void removeWhitespaces(StringBuilder text) {
         for (int i = 0; i < text.length(); ++i) {
@@ -306,7 +306,7 @@ class Field implements Cloneable {
         StringBuilder result = new StringBuilder();
         result.append(this.getFullName());
 
-        // insert appropriate amount of spaces to format the output corrently
+        // insert appropriate number of spaces to format the output corrently
         int nameLength = result.length();
         result.append(' ');// at least one space is a must
         for (int i = 1; i < NAME_LENGTH - nameLength; ++i) {// we start from i=1 because one space is already added

jme3-blender/src/main/java/com/jme3/scene/plugins/blender/materials/MaterialContext.java

@@ -102,7 +102,7 @@ public final class MaterialContext implements Savable {
         long flag = ((Number)structure.getFieldValue("flag")).longValue();
         if((flag & FLAG_TRANSPARENT) != 0) {
             // veryfying if the transparency is present
-            // (in blender transparent mask is 0x10000 but its better to verify it because blender can indicate transparency when
+            // (in blender transparent mask is 0x10000 but it's better to verify it because blender can indicate transparency when
             // it is not required
             boolean transparent = false;
             if (diffuseColor != null) {

jme3-blender/src/main/java/com/jme3/scene/plugins/blender/meshes/MeshHelper.java

@@ -247,7 +247,7 @@ public class MeshHelper extends AbstractBlenderHelper {
                 }
             }
         } else {
-            // in this case UV's are assigned to faces (the array has the same legnth as the faces count)
+            // in this case UV's are assigned to faces (the array has the same length as the faces count)
             Structure facesData = (Structure) meshStructure.getFieldValue("fdata");
             Pointer pFacesDataLayers = (Pointer) facesData.getFieldValue("layers");
             if (pFacesDataLayers.isNotNull()) {

jme3-core/src/main/java/com/jme3/animation/Animation.java

@@ -261,7 +261,7 @@ public class Animation implements Savable, Cloneable, JmeCloneable {
             // NOTE: Backward compat only .. Some animations have no
             // tracks set at all even though it makes no sense.
             // Since there's a null check in setTime(),
-            // its only appropriate that the check is made here as well.
+            // it's only appropriate that the check is made here as well.
             tracks = new SafeArrayList<Track>(Track.class);
             for (Savable savable : arr) {
                 tracks.add((Track) savable);

jme3-core/src/main/java/com/jme3/animation/AnimationFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2019 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -443,7 +443,7 @@ public class AnimationFactory {
                 //jumping to the next keyFrame
                 i = key;
             } else {
-                //No more key frame, filling the array witht he last transform computed.
+                //No more key frame, filling the array with the last transform computed.
                 for (int j = i; j < totalFrames; j++) {
 
                     switch (type) {

jme3-core/src/main/java/com/jme3/app/state/AppStateManager.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2019 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -218,7 +218,7 @@ public class AppStateManager {
                 }
             }
             
-            // This may be more trouble than its worth but I think
+            // This may be more trouble than it's worth but I think
             // it's necessary for proper decoupling of states and provides
             // similar behavior to before where a state could be looked
             // up even if it wasn't initialized. -pspeed

jme3-core/src/main/java/com/jme3/environment/util/CubeMapWrapper.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2015 jMonkeyEngine
+ * Copyright (c) 2009-2019 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -175,7 +175,7 @@ public class CubeMapWrapper {
 
     /**
      * writes a pixel given the coordinates vector and the color.
-     * @param vector the cooredinates where to write the pixel
+     * @param vector the coordinates where to write the pixel
      * @param color the color to write
      */
     public void setPixel(Vector3f vector, ColorRGBA color) {
@@ -186,7 +186,7 @@ public class CubeMapWrapper {
     }
     /**
      * writes a pixel given the coordinates vector, the mip level and the color.
-     * @param vector the cooredinates where to write the pixel
+     * @param vector the coordinates where to write the pixel
      * @param mipLevel the miplevel to write to
      * @param color the color to write
      */
@@ -231,7 +231,7 @@ public class CubeMapWrapper {
     }
 
     /**
-     * Inits the mip maps of a cube map witht he given number of mip maps
+     * Inits the mip maps of a cube map with the given number of mip maps
      * @param nbMipMaps the number of mip maps to initialize
      */
     public void initMipMaps(int nbMipMaps) {

jme3-core/src/main/java/com/jme3/math/Plane.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2019 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -244,7 +244,7 @@ public class Plane implements Savable, Cloneable, java.io.Serializable {
     }
 
     /**
-     * <code>toString</code> returns a string thta represents the string
+     * <code>toString</code> returns a string that represents the string
      * representation of this plane. It represents the normal as a
      * <code>Vector3f</code> object, so the format is the following:
      * com.jme.math.Plane [Normal: org.jme.math.Vector3f [X=XX.XXXX, Y=YY.YYYY,

jme3-core/src/main/java/com/jme3/post/FilterPostProcessor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2018 jMonkeyEngine
+ * Copyright (c) 2009-2019 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -393,7 +393,7 @@ public class FilterPostProcessor implements SceneProcessor, Savable {
                 lastFilterIndex = i;
                 //the Fpp is initialized, but the viwport framebuffer is the 
                 //original out framebuffer so we must recover from a situation 
-                //where no filter was enabled. So we set th correc framebuffer 
+                //where no filter was enabled. So we set the correct framebuffer 
                 //on the viewport
                 if(isInitialized() && viewPort.getOutputFrameBuffer()==outputBuffer){
                     setupViewPortFrameBuffer();

jme3-core/src/main/java/com/jme3/renderer/Renderer.java

@@ -222,7 +222,7 @@ public interface Renderer {
     /**
      * Reads the pixels currently stored in the specified framebuffer
      * into the given ByteBuffer object. 
-     * Only color pixels are transferred, witht hte given format. 
+     * Only color pixels are transferred, with the given format. 
      * The given byte buffer should have at least
      * fb.getWidth() * fb.getHeight() * 4 bytes remaining.
      * 

jme3-core/src/main/java/com/jme3/util/ListSort.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2018 jMonkeyEngine
+ * Copyright (c) 2009-2019 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -451,7 +451,7 @@ public class ListSort<T> {
         /* Where does B start in A?  Elements in A before that can be
          * ignored (already in place).
          */
-        //didn't find proper naming for k as it's used inthe original implementation
+        //didn't find proper naming for k as it's used in the original implementation
         int k = gallopRight(array[indexB], array, indexA, lenA, 0, comparator);        
         indexA += k;
         lenA -= k;
@@ -771,7 +771,7 @@ public class ListSort<T> {
                     /* lengthA==0 is impossible now if the comparison
                     * function is consistent, but we can't assume
                     * that it is.
-                    * a propper error will be thrown in mergeLow if lengthA == 0
+                    * a proper error will be thrown in mergeLow if lengthA == 0
                     */
                     if (lengthA <= 1){
                         return;
@@ -942,7 +942,7 @@ public class ListSort<T> {
                     /* lengthB==0 is impossible now if the comparison
                     * function is consistent, but we can't assume
                     * that it is.
-                    * a propper error will be thrown in mergeLow if lengthB == 0
+                    * a proper error will be thrown in mergeLow if lengthB == 0
                     */
                     if (lengthB <= 1){
                         return;

jme3-core/src/main/java/com/jme3/util/TangentBinormalGenerator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2018 jMonkeyEngine
+ * Copyright (c) 2009-2019 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -264,8 +264,8 @@ public class TangentBinormalGenerator {
         return vertices;
     }
     
-    //Don't remove splitmirorred boolean,It's not used right now, but I intend to
-    //make this method also split vertice with rotated tangent space and I'll
+    //Don't remove splitmirorred boolean. It's not used right now, but I intend to
+    //make this method also split vertices with rotated tangent space and I'll
     //add another splitRotated boolean 
     private static List<VertexData> splitVertices(Mesh mesh, List<VertexData> vertexData, boolean splitMirorred) {
         int nbVertices = mesh.getBuffer(Type.Position).getNumElements();
@@ -644,8 +644,8 @@ public class TangentBinormalGenerator {
             
             boolean found = false;
             //Nehon 07/07/2013
-            //Removed this part, joining splitted vertice to compute tangent space makes no sense to me
-            //separate vertice should have separate tangent space   
+            //Removed this part, joining split vertices to compute tangent space makes no sense to me
+            //separate vertices should have separate tangent space   
             if(!splitMirrored){
                 for (int j = 0; j < vertexMap.size(); j++) {
                     VertexInfo vertexInfo = vertexMap.get(j);

jme3-core/src/main/java/com/jme3/util/mikktspace/MikktspaceTangentGenerator.java

@@ -841,7 +841,7 @@ public class MikktspaceTangentGenerator {
             //Edge * pEdges = (Edge *) malloc(sizeof(Edge)*iNrTrianglesIn*3);
             Edge[] pEdges = new Edge[iNrTrianglesIn * 3];
 
-            //TODO nehon weird... original algorithm check if pEdges is null but it's just been allocated... weirder, it does soemthing different if the edges are null...
+            //TODO nehon weird... original algorithm checked if pEdges is null but it's just been allocated... weirder, it does something different if the edges are null...
             //    if (pEdges==null)
             //      BuildNeighborsSlow(pTriInfos, piTriListIn, iNrTrianglesIn);
             //    else

jme3-examples/src/main/java/jme3test/input/TestJoystick.java

@@ -78,7 +78,7 @@ public class TestJoystick extends SimpleApplication {
         joystickInfo.setLocalTranslation( 0, cam.getHeight(), 0 );
         guiNode.attachChild( joystickInfo );
 
-        // Add a raw listener because it's eisier to get all joystick events
+        // Add a raw listener because it's easier to get all joystick events
         // this way.
         inputManager.addRawInputListener( new JoystickEventListener() );
         

jme3-examples/src/main/java/jme3test/model/anim/TestAnimationFactory.java

@@ -46,7 +46,7 @@ public class TestAnimationFactory extends SimpleApplication {
         model.attachChild(childModel);
         TangentBinormalGenerator.generate(model);
 
-        //creating quite complex animation witht the AnimationHelper
+        //creating quite complex animation with the AnimationHelper
         // animation of 6 seconds named "anim" and with 25 frames per second
         AnimationFactory animationFactory = new AnimationFactory(6, "anim", 25);
         

jme3-networking/src/main/java/com/jme3/network/kernel/Envelope.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2019 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -47,7 +47,7 @@ public class Envelope
     /**
      *  Creates an incoming envelope holding the data from the specified
      *  source.  The 'reliable' flag further indicates on which mode of
-     *  transport the data arrrived.
+     *  transport the data arrived.
      */
     public Envelope( Endpoint source, byte[] data, boolean reliable )
     {

jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/GltfModelKey.java

@@ -44,7 +44,7 @@ public class GltfModelKey extends ModelKey {
     }
 
     /**
-     * Registers and extension loader for th given extension name.
+     * Registers an extension loader for the given extension name.
      * For more information on extension please see glTF 2.0 extensions registry
      * https://github.com/KhronosGroup/glTF/blob/master/extensions/README.md
      *