Adds the jMonkeyEngine library to the build.

Adds the jMonkeyEngine open source 3D game engine to the build. This
is built as a static library and is only used by the Finsky client.

Change-Id: I06a3f054df7b8a67757267d884854f70c5a16ca0

1 files changed, 221 insertions, 0 deletions

diff --git a/engine/src/core/com/jme3/util/TempVars.java b/engine/src/core/com/jme3/util/TempVars.java
new file mode 100644
index 0000000..2fdea36
--- /dev/null
+++ b/engine/src/core/com/jme3/util/TempVars.java
@@ -0,0 +1,221 @@
+/*

+ * Copyright (c) 2009-2010 jMonkeyEngine

+ * All rights reserved.

+ *

+ * Redistribution and use in source and binary forms, with or without

+ * modification, are permitted provided that the following conditions are

+ * met:

+ *

+ * * Redistributions of source code must retain the above copyright

+ *   notice, this list of conditions and the following disclaimer.

+ *

+ * * Redistributions in binary form must reproduce the above copyright

+ *   notice, this list of conditions and the following disclaimer in the

+ *   documentation and/or other materials provided with the distribution.

+ *

+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors

+ *   may be used to endorse or promote products derived from this software

+ *   without specific prior written permission.

+ *

+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED

+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR

+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+ */

+package com.jme3.util;

+

+import com.jme3.collision.bih.BIHNode.BIHStackData;

+import com.jme3.math.*;

+import com.jme3.scene.Spatial;

+import java.nio.FloatBuffer;

+import java.nio.IntBuffer;

+import java.util.ArrayList;

+

+/**

+ * Temporary variables assigned to each thread. Engine classes may access

+ * these temp variables with TempVars.get(), all retrieved TempVars

+ * instances must be returned via TempVars.release().

+ * This returns an available instance of the TempVar class ensuring this 

+ * particular instance is never used elsewhere in the mean time.

+ */

+public class TempVars {

+

+    /**

+     * Allow X instances of TempVars in a single thread.

+     */

+    private static final int STACK_SIZE = 5;

+

+    /**

+     * <code>TempVarsStack</code> contains a stack of TempVars.

+     * Every time TempVars.get() is called, a new entry is added to the stack,

+     * and the index incremented.

+     * When TempVars.release() is called, the entry is checked against

+     * the current instance and  then the index is decremented.

+     */

+    private static class TempVarsStack {

+

+        int index = 0;

+        TempVars[] tempVars = new TempVars[STACK_SIZE];

+    }

+    /**

+     * ThreadLocal to store a TempVarsStack for each thread.

+     * This ensures each thread has a single TempVarsStack that is

+     * used only in method calls in that thread.

+     */

+    private static final ThreadLocal<TempVarsStack> varsLocal = new ThreadLocal<TempVarsStack>() {

+

+        @Override

+        public TempVarsStack initialValue() {

+            return new TempVarsStack();

+        }

+    };

+    /**

+     * This instance of TempVars has been retrieved but not released yet.

+     */

+    private boolean isUsed = false;

+

+    private TempVars() {

+    }

+

+    /**

+     * Acquire an instance of the TempVar class.

+     * You have to release the instance after use by calling the 

+     * release() method. 

+     * If more than STACK_SIZE (currently 5) instances are requested 

+     * in a single thread then an ArrayIndexOutOfBoundsException will be thrown.

+     * 

+     * @return A TempVar instance

+     */

+    public static TempVars get() {

+        TempVarsStack stack = varsLocal.get();

+

+        TempVars instance = stack.tempVars[stack.index];

+

+        if (instance == null) {

+            // Create new

+            instance = new TempVars();

+

+            // Put it in there

+            stack.tempVars[stack.index] = instance;

+        }

+

+        stack.index++;

+

+        instance.isUsed = true;

+

+        return instance;

+    }

+

+    /**

+     * Releases this instance of TempVars.

+     * Once released, the contents of the TempVars are undefined.

+     * The TempVars must be released in the opposite order that they are retrieved,

+     * e.g. Acquiring vars1, then acquiring vars2, vars2 MUST be released 

+     * first otherwise an exception will be thrown.

+     */

+    public void release() {

+        if (!isUsed) {

+            throw new IllegalStateException("This instance of TempVars was already released!");

+        }

+

+        isUsed = false;

+

+        TempVarsStack stack = varsLocal.get();

+

+        // Return it to the stack

+        stack.index--;

+

+        // Check if it is actually there

+        if (stack.tempVars[stack.index] != this) {

+            throw new IllegalStateException("An instance of TempVars has not been released in a called method!");

+        }

+    }

+    /**

+     * For interfacing with OpenGL in Renderer.

+     */

+    public final IntBuffer intBuffer1 = BufferUtils.createIntBuffer(1);

+    public final IntBuffer intBuffer16 = BufferUtils.createIntBuffer(16);

+    public final FloatBuffer floatBuffer16 = BufferUtils.createFloatBuffer(16);

+    /**

+     * Skinning buffers

+     */

+    public final float[] skinPositions = new float[512 * 3];

+    public final float[] skinNormals = new float[512 * 3];

+     //tangent buffer as 4 components by elements

+    public final float[] skinTangents = new float[512 * 4];

+    /**

+     * Fetching triangle from mesh

+     */

+    public final Triangle triangle = new Triangle();

+    /**

+     * Color

+     */

+    public final ColorRGBA color = new ColorRGBA();

+    /**

+     * General vectors.

+     */

+    public final Vector3f vect1 = new Vector3f();

+    public final Vector3f vect2 = new Vector3f();

+    public final Vector3f vect3 = new Vector3f();

+    public final Vector3f vect4 = new Vector3f();

+    public final Vector3f vect5 = new Vector3f();

+    public final Vector3f vect6 = new Vector3f();

+    public final Vector3f vect7 = new Vector3f();

+    //seems the maximum number of vector used is 7 in com.jme3.bounding.java

+    public final Vector3f vect8 = new Vector3f();

+    public final Vector3f vect9 = new Vector3f();

+    public final Vector3f vect10 = new Vector3f();

+    public final Vector4f vect4f = new Vector4f();

+    public final Vector3f[] tri = {new Vector3f(),

+        new Vector3f(),

+        new Vector3f()};

+    /**

+     * 2D vector

+     */

+    public final Vector2f vect2d = new Vector2f();

+    public final Vector2f vect2d2 = new Vector2f();

+    /**

+     * General matrices.

+     */

+    public final Matrix3f tempMat3 = new Matrix3f();

+    public final Matrix4f tempMat4 = new Matrix4f();

+    public final Matrix4f tempMat42 = new Matrix4f();    

+    /**

+     * General quaternions.

+     */

+    public final Quaternion quat1 = new Quaternion();

+    public final Quaternion quat2 = new Quaternion();

+    /**

+     * Eigen

+     */

+    public final Eigen3f eigen = new Eigen3f();

+    /**

+     * Plane

+     */

+    public final Plane plane = new Plane();

+    /**

+     * BoundingBox ray collision

+     */

+    public final float[] fWdU = new float[3];

+    public final float[] fAWdU = new float[3];

+    public final float[] fDdU = new float[3];

+    public final float[] fADdU = new float[3];

+    public final float[] fAWxDdU = new float[3];

+    /**

+     * Maximum tree depth .. 32 levels??

+     */

+    public final Spatial[] spatialStack = new Spatial[32];

+    public final float[] matrixWrite = new float[16];

+    /**

+     * BIHTree

+     */

+    public final float[] bihSwapTmp = new float[9];

+    public final ArrayList<BIHStackData> bihStack = new ArrayList<BIHStackData>();

+}