1 files changed, 90 insertions, 0 deletions
diff --git a/engine/src/core/com/jme3/input/controls/MouseAxisTrigger.java b/engine/src/core/com/jme3/input/controls/MouseAxisTrigger.java
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+++ b/engine/src/core/com/jme3/input/controls/MouseAxisTrigger.java
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+/*
+ * 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.input.controls;
+
+import com.jme3.input.MouseInput;
+
+/**
+ * A <code>MouseAxisTrigger</code> is used as a mapping to mouse axis,
+ * a mouse axis is movement along the X axis (left/right), Y axis (up/down)
+ * and the mouse wheel (scroll up/down).
+ *
+ * @author Kirill Vainer
+ */
+public class MouseAxisTrigger implements Trigger {
+
+    private int mouseAxis;
+    private boolean negative;
+
+    /**
+     * Create a new <code>MouseAxisTrigger</code>.
+     * <p>
+     * @param mouseAxis Mouse axis. See AXIS_*** constants in {@link MouseInput}
+     * @param negative True if listen to negative axis events, false if
+     * listen to positive axis events.
+     */
+    public MouseAxisTrigger(int mouseAxis, boolean negative){
+        if (mouseAxis < 0 || mouseAxis > 2)
+            throw new IllegalArgumentException("Mouse Axis must be between 0 and 2");
+
+        this.mouseAxis = mouseAxis;
+        this.negative = negative;
+    }
+
+    public int getMouseAxis(){
+        return mouseAxis;
+    }
+
+    public boolean isNegative() {
+        return negative;
+    }
+
+    public String getName() {
+        String sign = negative ? "Negative" : "Positive";
+        switch (mouseAxis){
+            case MouseInput.AXIS_X: return "Mouse X Axis " + sign;
+            case MouseInput.AXIS_Y: return "Mouse Y Axis " + sign;
+            case MouseInput.AXIS_WHEEL: return "Mouse Wheel " + sign;
+            default: throw new AssertionError();
+        }
+    }
+
+    public static int mouseAxisHash(int mouseAxis, boolean negative){
+        assert mouseAxis >= 0 && mouseAxis <= 255;
+        return (negative ? 768 : 512) | (mouseAxis & 0xff);
+    }
+
+    public int triggerHashCode() {
+        return mouseAxisHash(mouseAxis, negative);
+    }
+}