1 files changed, 52 insertions, 0 deletions
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/Modifier.java b/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/Modifier.java
new file mode 100644
index 0000000..12d9ed4
--- /dev/null
+++ b/engine/src/blender/com/jme3/scene/plugins/blender/modifiers/Modifier.java
@@ -0,0 +1,52 @@
+package com.jme3.scene.plugins.blender.modifiers;
+
+import com.jme3.scene.Node;
+import com.jme3.scene.plugins.blender.BlenderContext;
+import com.jme3.scene.plugins.blender.file.Pointer;
+import com.jme3.scene.plugins.blender.file.Structure;
+
+/**
+ * This class represents an object's modifier. The modifier object can be varied
+ * and the user needs to know what is the type of it for the specified type
+ * name. For example "ArmatureModifierData" type specified in blender is
+ * represented by AnimData object from jMonkeyEngine.
+ * 
+ * @author Marcin Roguski (Kaelthas)
+ */
+public abstract class Modifier {
+
+	public static final String ARRAY_MODIFIER_DATA = "ArrayModifierData";
+	public static final String ARMATURE_MODIFIER_DATA = "ArmatureModifierData";
+	public static final String PARTICLE_MODIFIER_DATA = "ParticleSystemModifierData";
+	public static final String MIRROR_MODIFIER_DATA = "MirrorModifierData";
+	public static final String SUBSURF_MODIFIER_DATA = "SubsurfModifierData";
+	public static final String OBJECT_ANIMATION_MODIFIER_DATA = "ObjectAnimationModifierData";
+
+	/** This variable indicates if the modifier is invalid (<b>true</b>) or not (<b>false</b>). */
+	protected boolean invalid;
+	
+	/**
+	 * This method applies the modifier to the given node.
+	 * 
+	 * @param node
+	 *            the node that will have modifier applied
+	 * @param blenderContext
+	 *            the blender context
+	 * @return the node with applied modifier
+	 */
+	public abstract Node apply(Node node, BlenderContext blenderContext);
+
+	/**
+	 * This method returns blender's type of modifier.
+	 * 
+	 * @return blender's type of modifier
+	 */
+	public abstract String getType();
+	
+	protected boolean validate(Structure modifierStructure, BlenderContext blenderContext) {
+		Structure modifierData = (Structure)modifierStructure.getFieldValue("modifier");
+		Pointer pError = (Pointer) modifierData.getFieldValue("error");
+		invalid = pError.isNotNull();
+		return !invalid;
+	}
+}