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+/*
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+ * Copyright (c) 2009-2018 jMonkeyEngine
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+ * All rights reserved.
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+ *
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+ * Redistribution and use in source and binary forms, with or without
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+ * modification, are permitted provided that the following conditions are
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+ * met:
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+ *
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+ * * Redistributions of source code must retain the above copyright
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+ * notice, this list of conditions and the following disclaimer.
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+ *
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+ * * Redistributions in binary form must reproduce the above copyright
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+ * notice, this list of conditions and the following disclaimer in the
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+ * documentation and/or other materials provided with the distribution.
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+ *
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+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
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+ * may be used to endorse or promote products derived from this software
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+ * without specific prior written permission.
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+ *
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+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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+ */
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+package com.jme3.gde.scenecomposer.gizmo.light;
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+
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+import com.jme3.bounding.BoundingSphere;
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+import com.jme3.bounding.BoundingVolume;
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+import com.jme3.gde.core.sceneexplorer.nodes.JmeLightProbe;
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+import com.jme3.gde.scenecomposer.gizmo.NodeCallback;
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+import com.jme3.light.LightProbe;
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+import com.jme3.math.Quaternion;
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+import com.jme3.math.Vector3f;
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+
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+/**
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+ * Updates the marker's position whenever the light probe has moved.
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+ * Also update the gizmo radius according to the probe radius.
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+ * Each Gizmo extends NodeCallback, so it is notified, when it's moved
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+ * by the Scene Composer Tools.
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+ */
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+public class LightProbeGizmo extends NodeCallback {
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+
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+ private final Vector3f lastPos = new Vector3f();
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+ private final LightProbe lightProbe;
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+ private final JmeLightProbe jmeProbe;
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+
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+ LightProbeGizmo(JmeLightProbe jmeProbe) {
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+ super("point light callback", true, false, false);
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+ this.jmeProbe = jmeProbe;
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+ lightProbe = jmeProbe.getLightProbe();
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+ }
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+
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+ protected float getRadius() {
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+ if (lightProbe.isReady()) {
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+ return ((BoundingSphere)lightProbe.getBounds()).getRadius();
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+ } else {
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+ return 0f;
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+ }
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+ }
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+
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+ /**
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+ * Handles the SceneComposers Translation "Requests".
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+ * Essentially this is called when setLocalTranslation is invoked on the Gizmo.
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+ * We then need to ensure that the Properties update and that the light
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+ * itself updates (since the SceneComposer actually works with our Gizmos).
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+ *
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+ * @param oldTranslation The Translation as it was before
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+ * @param newTranslation The Translation as it is now
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+ */
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+ @Override
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+ public void onTranslation(Vector3f oldTranslation, Vector3f newTranslation) {
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+ // For lights, we're always interested in the WorldTranslation
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+ lightProbe.setPosition(getWorldTranslation());
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+ jmeProbe.setValue("position", lightProbe.getPosition());
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+ }
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+
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+ /**
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+ * Handles the SceneComposers Scale "Requests".
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+ * Essentially this is called when setLocalScale is invoked on the Gizmo.
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+ * We then need to ensure that the Propertries update and that the light
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+ * itself updates (since the SceneComposer actually works with our Gizmos).
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+ *
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+ * @param oldScale The Scale as it was before
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+ * @param newScale The Scale as it is now
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+ */
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+ @Override
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+ public void onResize(Vector3f oldScale, Vector3f newScale) {
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+ ((BoundingSphere)jmeProbe.getLightProbe().getBounds()).setRadius(LightGizmoFactory.scaleToRadius(newScale));
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+ }
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+
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+ /**
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+ * Handles the SceneComposers Rotate "Requests".
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+ * Essentially this is called when setLocalRotation is invoked on the Gizmo.
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+ * We then need to ensure that the Propertries update and that the light
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+ * itself updates (since the SceneComposer actually works with our Gizmos).
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+ *
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+ * @param oldRotation The Rotation as it was before
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+ * @param newRotation The Rotation as it is now
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+ */
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+ @Override
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+ public void onRotation(Quaternion oldRotation, Quaternion newRotation) {
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+ // Does not make sense.
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+ }
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+
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+
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+ // Convert Radius to a fake "scale"
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+ @Override
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+ public Vector3f getLocalScale() {
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+ float r = getRadius();
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+ return new Vector3f(r, r, r);
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+ }
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+
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+ @Override
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+ public Vector3f getWorldScale() {
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+ float r = getRadius();
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+ return new Vector3f(r, r, r);
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+ }
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+
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+ @Override
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+ public BoundingVolume getWorldBound() {
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+ return new BoundingSphere(getRadius(), lightProbe.getPosition());
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+ }
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+
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+}
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MeFisto94