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, 233 insertions, 0 deletions

diff --git a/engine/src/niftygui/com/jme3/niftygui/InputSystemJme.java b/engine/src/niftygui/com/jme3/niftygui/InputSystemJme.java
new file mode 100644
index 0000000..0b80131
--- /dev/null
+++ b/engine/src/niftygui/com/jme3/niftygui/InputSystemJme.java
@@ -0,0 +1,233 @@
+/*
+ * 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.niftygui;
+
+import com.jme3.input.InputManager;
+import com.jme3.input.KeyInput;
+import com.jme3.input.RawInputListener;
+import com.jme3.input.event.*;
+import de.lessvoid.nifty.Nifty;
+import de.lessvoid.nifty.NiftyInputConsumer;
+import de.lessvoid.nifty.tools.resourceloader.NiftyResourceLoader;
+import de.lessvoid.nifty.input.keyboard.KeyboardInputEvent;
+import de.lessvoid.nifty.spi.input.InputSystem;
+import java.util.ArrayList;
+
+public class InputSystemJme implements InputSystem, RawInputListener {
+
+    private final ArrayList<InputEvent> inputQueue = new ArrayList<InputEvent>();
+
+    private InputManager inputManager;
+
+    private boolean isDragging = false, niftyOwnsDragging = false;
+    private boolean pressed = false;
+    private int buttonIndex;
+    private int x, y;
+    private int height;
+
+    private boolean shiftDown = false;
+    private boolean ctrlDown  = false;
+
+    private Nifty nifty;
+
+    public InputSystemJme(InputManager inputManager){
+        this.inputManager = inputManager;
+    }
+
+    public void setResourceLoader(NiftyResourceLoader niftyResourceLoader) {
+    }
+
+    public void setNifty(Nifty nifty) {
+        this.nifty = nifty;
+    }
+
+    /**
+     * @param height The height of the viewport. Used to convert
+     * buttom-left origin to upper-left origin.
+     */
+    public void setHeight(int height){
+        this.height = height;
+    }
+
+    public void setMousePosition(int x, int y){
+    }
+
+    public void beginInput(){
+    }
+
+    public void endInput(){
+        boolean result = nifty.update();
+    }
+
+    private void onTouchEventQueued(TouchEvent evt, NiftyInputConsumer nic) {  
+        boolean consumed = false;
+
+        x = (int) evt.getX();
+        y = (int) (height - evt.getY());
+
+        switch (evt.getType()) {
+           case DOWN:
+               consumed = nic.processMouseEvent(x, y, 0, 0, false);
+               isDragging = true;
+               niftyOwnsDragging = consumed;
+               if (consumed){
+                   evt.setConsumed();
+               }
+
+               break;
+
+           case UP:
+               if (niftyOwnsDragging){
+                   consumed = nic.processMouseEvent(x, y, 0, buttonIndex, pressed);
+                   if (consumed){
+                       evt.setConsumed();
+                   }
+               }
+
+               isDragging = false;
+               niftyOwnsDragging = false;
+               break;
+       }
+    }
+    
+    private void onMouseMotionEventQueued(MouseMotionEvent evt, NiftyInputConsumer nic) {
+        x = evt.getX();
+        y = height - evt.getY();
+        nic.processMouseEvent(x, y, evt.getDeltaWheel(), buttonIndex, pressed);
+//        if (nic.processMouseEvent(niftyEvt) /*|| nifty.getCurrentScreen().isMouseOverElement()*/){
+            // Do not consume motion events
+            //evt.setConsumed();
+//        }
+    }
+
+    private void onMouseButtonEventQueued(MouseButtonEvent evt, NiftyInputConsumer nic) {
+        boolean wasPressed = pressed;
+        boolean forwardToNifty = true;
+        
+        buttonIndex = evt.getButtonIndex();
+        pressed = evt.isPressed();
+        
+        // Mouse button raised. End dragging
+        if (wasPressed && !pressed){
+            if (!niftyOwnsDragging){
+                forwardToNifty = false;
+            }
+            isDragging = false;
+            niftyOwnsDragging = false;
+        }
+
+        boolean consumed = false;
+        if (forwardToNifty){
+            consumed = nic.processMouseEvent(x, y, 0, buttonIndex, pressed);
+            if (consumed){
+                evt.setConsumed();
+            }
+        }
+        
+        // Mouse button pressed. Begin dragging
+        if (!wasPressed && pressed){
+            isDragging = true;
+            niftyOwnsDragging = consumed;
+        }
+    }
+
+    private void onKeyEventQueued(KeyInputEvent evt, NiftyInputConsumer nic) {
+        int code = evt.getKeyCode();
+
+        if (code == KeyInput.KEY_LSHIFT || code == KeyInput.KEY_RSHIFT) {
+            shiftDown = evt.isPressed();
+        } else if (code == KeyInput.KEY_LCONTROL || code == KeyInput.KEY_RCONTROL) {
+            ctrlDown = evt.isPressed();
+        }
+        
+        KeyboardInputEvent keyEvt = new KeyboardInputEvent(code,
+                                                           evt.getKeyChar(),
+                                                           evt.isPressed(),
+                                                           shiftDown,
+                                                           ctrlDown);
+
+        if (nic.processKeyboardEvent(keyEvt)){
+            evt.setConsumed();
+        }
+    }
+    
+    public void onMouseMotionEvent(MouseMotionEvent evt) {
+        // Only forward the event if there's actual motion involved.
+        if (inputManager.isCursorVisible() && (evt.getDX() != 0 ||
+                                               evt.getDY() != 0 ||
+                                               evt.getDeltaWheel() != 0)){
+            inputQueue.add(evt);
+        }
+    }
+
+    public void onMouseButtonEvent(MouseButtonEvent evt) {
+        if (inputManager.isCursorVisible() && evt.getButtonIndex() >= 0 && evt.getButtonIndex() <= 2){
+            inputQueue.add(evt);
+        }
+    }
+    
+    public void onJoyAxisEvent(JoyAxisEvent evt) {
+    }
+
+    public void onJoyButtonEvent(JoyButtonEvent evt) {
+    }
+    
+    public void onKeyEvent(KeyInputEvent evt) {
+        inputQueue.add(evt);
+    }
+    
+    public void onTouchEvent(TouchEvent evt) {     
+        inputQueue.add(evt);
+    }
+
+    public void forwardEvents(NiftyInputConsumer nic) {
+        int queueSize = inputQueue.size();
+
+        for (int i = 0; i < queueSize; i++){
+            InputEvent evt = inputQueue.get(i);
+            if (evt instanceof MouseMotionEvent){
+                onMouseMotionEventQueued( (MouseMotionEvent)evt, nic);
+            }else if (evt instanceof MouseButtonEvent){
+                onMouseButtonEventQueued( (MouseButtonEvent)evt, nic);
+            }else if (evt instanceof KeyInputEvent){
+                onKeyEventQueued( (KeyInputEvent)evt, nic);
+            }else if (evt instanceof TouchEvent){
+                onTouchEventQueued( (TouchEvent)evt, nic);
+            }
+        }
+
+        inputQueue.clear();
+    }
+    
+    
+}