Wrapping Light into LightNodes (this allows to add constraints and properties to lights).

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9698 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/blender/com/jme3/asset/BlenderKey.java

@@ -31,6 +31,13 @@
  */
 package com.jme3.asset;
 
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Queue;
+
+import org.lwjgl.opengl.GL11;
+
 import com.jme3.bounding.BoundingVolume;
 import com.jme3.collision.Collidable;
 import com.jme3.collision.CollisionResults;
@@ -40,20 +47,15 @@ import com.jme3.export.JmeExporter;
 import com.jme3.export.JmeImporter;
 import com.jme3.export.OutputCapsule;
 import com.jme3.light.AmbientLight;
-import com.jme3.light.Light;
 import com.jme3.material.Material;
 import com.jme3.material.RenderState.FaceCullMode;
 import com.jme3.renderer.Camera;
+import com.jme3.scene.LightNode;
 import com.jme3.scene.Node;
 import com.jme3.scene.SceneGraphVisitor;
 import com.jme3.scene.Spatial;
 import com.jme3.scene.plugins.ogre.AnimData;
 import com.jme3.texture.Texture;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Queue;
-import org.lwjgl.opengl.GL11;
 
 /**
  * Blender key. Contains path of the blender file and its loading properties.
@@ -513,7 +515,7 @@ public class BlenderKey extends ModelKey {
 		/** All cameras from the file. */
 		private List<Camera>	cameras;
 		/** All lights from the file. */
-		private List<Light>		lights;
+		private List<LightNode>	lights;
 
 		/**
 		 * Private constructor prevents users to create an instance of this class from outside the
@@ -542,7 +544,7 @@ public class BlenderKey extends ModelKey {
 				cameras = new ArrayList<Camera>();
 			}
 			if ((featuresToLoad & FeaturesToLoad.LIGHTS) != 0) {
-				lights = new ArrayList<Light>();
+				lights = new ArrayList<LightNode>();
 			}
 		}
 
@@ -615,8 +617,7 @@ public class BlenderKey extends ModelKey {
 		 * @param light
 		 *        light to be added to the result set
 		 */
-		@Override
-		public void addLight(Light light) {
+		public void addLight(LightNode light) {
 			if (lights != null) {
 				lights.add(light);
 			}
@@ -674,7 +675,7 @@ public class BlenderKey extends ModelKey {
 		 * This method returns all loaded lights.
 		 * @return all loaded lights
 		 */
-		public List<Light> getLights() {
+		public List<LightNode> getLights() {
 			return lights;
 		}
 

engine/src/blender/com/jme3/scene/plugins/blender/AbstractBlenderLoader.java

@@ -39,6 +39,7 @@ import com.jme3.light.Light;
 import com.jme3.math.ColorRGBA;
 import com.jme3.renderer.Camera;
 import com.jme3.scene.Geometry;
+import com.jme3.scene.LightNode;
 import com.jme3.scene.Node;
 import com.jme3.scene.Spatial;
 import com.jme3.scene.plugins.blender.cameras.CameraHelper;
@@ -112,7 +113,7 @@ import java.util.logging.Logger;
 	 *        structure of a light
 	 * @return light's node
 	 */
-	public Light toLight(Structure structure) throws BlenderFileException {
+	public LightNode toLight(Structure structure) throws BlenderFileException {
 		LightHelper lightHelper = blenderContext.getHelper(LightHelper.class);
 		if (lightHelper.shouldBeLoaded(structure, blenderContext)) {
 			return lightHelper.toLight(structure, blenderContext);

engine/src/blender/com/jme3/scene/plugins/blender/BlenderLoader.java

@@ -31,14 +31,20 @@
  */
 package com.jme3.scene.plugins.blender;
 
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
 import com.jme3.asset.AssetInfo;
 import com.jme3.asset.BlenderKey;
 import com.jme3.asset.BlenderKey.FeaturesToLoad;
 import com.jme3.asset.BlenderKey.LoadingResults;
 import com.jme3.asset.BlenderKey.WorldData;
 import com.jme3.asset.ModelKey;
-import com.jme3.light.Light;
 import com.jme3.renderer.Camera;
+import com.jme3.scene.LightNode;
 import com.jme3.scene.Node;
 import com.jme3.scene.Spatial;
 import com.jme3.scene.plugins.blender.animations.ArmatureHelper;
@@ -57,11 +63,6 @@ import com.jme3.scene.plugins.blender.modifiers.ModifierHelper;
 import com.jme3.scene.plugins.blender.objects.ObjectHelper;
 import com.jme3.scene.plugins.blender.particles.ParticlesHelper;
 import com.jme3.scene.plugins.blender.textures.TextureHelper;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 
 /**
  * This is the main loading class. Have in notice that asset manager needs to have loaders for resources like textures.
@@ -85,7 +86,11 @@ public class BlenderLoader extends AbstractBlenderLoader {
 				switch (block.getCode()) {
 					case FileBlockHeader.BLOCK_OB00:// Object
 						Object object = this.toObject(block.getStructure(blenderContext));
-						if (object instanceof Node) {
+						if(object instanceof LightNode) {
+							if ((blenderKey.getFeaturesToLoad() & FeaturesToLoad.LIGHTS) != 0) {
+								loadingResults.addLight((LightNode) object);
+							}
+						} else if (object instanceof Node) {
 							if ((blenderKey.getFeaturesToLoad() & FeaturesToLoad.OBJECTS) != 0) {
 								LOGGER.log(Level.INFO, "{0}: {1}--> {2}", new Object[] { ((Node) object).getName(), ((Node) object).getLocalTranslation().toString(), ((Node) object).getParent() == null ? "null" : ((Node) object).getParent().getName() });
 								if (this.isRootObject(loadingResults, (Node)object)) {
@@ -96,10 +101,6 @@ public class BlenderLoader extends AbstractBlenderLoader {
 							if ((blenderKey.getFeaturesToLoad() & FeaturesToLoad.CAMERAS) != 0) {
 								loadingResults.addCamera((Camera) object);
 							}
-						} else if (object instanceof Light) {
-							if ((blenderKey.getFeaturesToLoad() & FeaturesToLoad.LIGHTS) != 0) {
-								loadingResults.addLight((Light) object);
-							}
 						}
 						break;
 //					case FileBlockHeader.BLOCK_MA00:// Material

engine/src/blender/com/jme3/scene/plugins/blender/lights/LightHelper.java

@@ -38,6 +38,7 @@ import com.jme3.light.PointLight;
 import com.jme3.light.SpotLight;
 import com.jme3.math.ColorRGBA;
 import com.jme3.math.FastMath;
+import com.jme3.scene.LightNode;
 import com.jme3.scene.plugins.blender.AbstractBlenderHelper;
 import com.jme3.scene.plugins.blender.BlenderContext;
 import com.jme3.scene.plugins.blender.BlenderContext.LoadedFeatureDataType;
@@ -66,49 +67,51 @@ public class LightHelper extends AbstractBlenderHelper {
         super(blenderVersion, fixUpAxis);
     }
 
-    public Light toLight(Structure structure, BlenderContext blenderContext) throws BlenderFileException {
-        Light result = (Light) blenderContext.getLoadedFeature(structure.getOldMemoryAddress(), LoadedFeatureDataType.LOADED_FEATURE);
+    public LightNode toLight(Structure structure, BlenderContext blenderContext) throws BlenderFileException {
+    	LightNode result = (LightNode) blenderContext.getLoadedFeature(structure.getOldMemoryAddress(), LoadedFeatureDataType.LOADED_FEATURE);
         if (result != null) {
             return result;
         }
+        Light light = null;
         int type = ((Number) structure.getFieldValue("type")).intValue();
         switch (type) {
             case 0://Lamp
-                result = new PointLight();
+            	light = new PointLight();
                 float distance = ((Number) structure.getFieldValue("dist")).floatValue();
-                ((PointLight) result).setRadius(distance);
+                ((PointLight) light).setRadius(distance);
                 break;
             case 1://Sun
                 LOGGER.log(Level.WARNING, "'Sun' lamp is not supported in jMonkeyEngine.");
                 break;
             case 2://Spot
-            	result = new SpotLight();
+            	light = new SpotLight();
             	//range
-            	((SpotLight)result).setSpotRange(((Number) structure.getFieldValue("dist")).floatValue());
+            	((SpotLight)light).setSpotRange(((Number) structure.getFieldValue("dist")).floatValue());
             	//outer angle
             	float outerAngle = ((Number) structure.getFieldValue("spotsize")).floatValue()*FastMath.DEG_TO_RAD * 0.5f;
-            	((SpotLight)result).setSpotOuterAngle(outerAngle);
+            	((SpotLight)light).setSpotOuterAngle(outerAngle);
             	
             	//inner angle
             	float spotblend = ((Number) structure.getFieldValue("spotblend")).floatValue();
                 spotblend = FastMath.clamp(spotblend, 0, 1);
                 float innerAngle = outerAngle * (1 - spotblend);
-            	((SpotLight)result).setSpotInnerAngle(innerAngle);
+            	((SpotLight)light).setSpotInnerAngle(innerAngle);
                 break;
             case 3://Hemi
                 LOGGER.log(Level.WARNING, "'Hemi' lamp is not supported in jMonkeyEngine.");
                 break;
             case 4://Area
-                result = new DirectionalLight();
+            	light = new DirectionalLight();
                 break;
             default:
                 throw new BlenderFileException("Unknown light source type: " + type);
         }
-        if (result != null) {
+        if (light != null) {
             float r = ((Number) structure.getFieldValue("r")).floatValue();
             float g = ((Number) structure.getFieldValue("g")).floatValue();
             float b = ((Number) structure.getFieldValue("b")).floatValue();
-            result.setColor(new ColorRGBA(r, g, b, 1.0f));
+            light.setColor(new ColorRGBA(r, g, b, 1.0f));
+            result = new LightNode(null, light);
         }
         return result;
     }

engine/src/blender/com/jme3/scene/plugins/blender/objects/ObjectHelper.java

@@ -37,16 +37,13 @@ import java.util.logging.Level;
 import java.util.logging.Logger;
 
 import com.jme3.asset.BlenderKey.FeaturesToLoad;
-import com.jme3.light.DirectionalLight;
-import com.jme3.light.Light;
-import com.jme3.light.PointLight;
-import com.jme3.light.SpotLight;
 import com.jme3.math.Matrix4f;
 import com.jme3.math.Quaternion;
 import com.jme3.math.Transform;
 import com.jme3.math.Vector3f;
 import com.jme3.renderer.Camera;
 import com.jme3.scene.Geometry;
+import com.jme3.scene.LightNode;
 import com.jme3.scene.Node;
 import com.jme3.scene.Spatial;
 import com.jme3.scene.Spatial.CullHint;
@@ -197,34 +194,10 @@ public class ObjectHelper extends AbstractBlenderHelper {
 					if(pLamp.isNotNull()) {
 						LightHelper lightHelper = blenderContext.getHelper(LightHelper.class);
 						List<Structure> lampsArray = pLamp.fetchData(blenderContext.getInputStream());
-						Light light = lightHelper.toLight(lampsArray.get(0), blenderContext);
+						LightNode light = lightHelper.toLight(lampsArray.get(0), blenderContext);
 						if(light!=null) {
 							light.setName(name);
-						}
-						if(light instanceof PointLight) {
-							((PointLight)light).setPosition(t.getTranslation());
-						} else if(light instanceof DirectionalLight) {
-							Quaternion quaternion = t.getRotation();
-							Vector3f[] axes = new Vector3f[3];
-							quaternion.toAxes(axes);
-							if(fixUpAxis) {
-								((DirectionalLight)light).setDirection(axes[1].negate());//-Z is the direction axis of area lamp in blender
-							} else {
-								((DirectionalLight)light).setDirection(axes[2].negate());
-							}
-						} else if(light instanceof SpotLight) {
-							((SpotLight)light).setPosition(t.getTranslation());
-							
-							Quaternion quaternion = t.getRotation();
-							Vector3f[] axes = new Vector3f[3];
-							quaternion.toAxes(axes);
-							if(fixUpAxis) {
-								((SpotLight)light).setDirection(axes[1].negate());//-Z is the direction axis of area lamp in blender
-							} else {
-								((SpotLight)light).setDirection(axes[2].negate());
-							}
-						} else {
-							LOGGER.log(Level.WARNING, "Unknown type of light: {0}", light);
+							light.setLocalTransform(t);
 						}
 						result = light;
 					}