Slightly improved the terrain paint tool. Changed the terrain flatten tool to match documentation

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10738 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

sdk/jme3-terrain-editor/src/com/jme3/gde/terraineditor/tools/AbstractTerrainToolAction.java

@@ -32,10 +32,12 @@
 
 package com.jme3.gde.terraineditor.tools;
 
+import com.jme3.gde.core.sceneexplorer.nodes.AbstractSceneExplorerNode;
 import com.jme3.gde.core.sceneexplorer.nodes.actions.AbstractStatefulGLToolAction;
 import com.jme3.scene.Node;
 import com.jme3.scene.Spatial;
 import com.jme3.terrain.Terrain;
+import org.openide.loaders.DataObject;
 
 /**
  * Helps find the terrain in the scene
@@ -69,4 +71,17 @@ public abstract class AbstractTerrainToolAction extends AbstractStatefulGLToolAc
 
         return null;
     }
+    
+    @Override
+    protected void setModified(final AbstractSceneExplorerNode rootNode, final DataObject dataObject) {
+        if (dataObject.isModified())
+            return;
+        java.awt.EventQueue.invokeLater(new Runnable() {
+
+            public void run() {
+                dataObject.setModified(true);
+                //rootNode.refresh(true); // we don't need to refresh the whole tree when we edit the terrain
+            }
+        });
+    }
 }

sdk/jme3-terrain-editor/src/com/jme3/gde/terraineditor/tools/LevelTerrainTool.java

@@ -66,7 +66,9 @@ public class LevelTerrainTool extends TerrainTool {
         if (radius == 0 || weight == 0)
             return;
         if (desiredHeight == null)
-            desiredHeight = point.clone();
+            desiredHeight = markerSecondary.getWorldTranslation().clone();
+        else
+            desiredHeight.y = markerSecondary.getWorldTranslation().y;
         if (toolParams.absolute)
             desiredHeight.y = toolParams.height;
         LevelTerrainToolAction action = new LevelTerrainToolAction(point, radius, weight, desiredHeight, toolParams.precision, getMesh());

sdk/jme3-terrain-editor/src/com/jme3/gde/terraineditor/tools/PaintTerrainToolAction.java

@@ -166,7 +166,7 @@ public class PaintTerrainToolAction extends AbstractTerrainToolAction {
         int maxy = (int) Math.min(height,(uv.y*height + radius*height));
 
         float radiusSquared = radius*radius;
-        float radiusFalloff = radius*fadeFalloff;
+        float radiusFalloff = radiusSquared*fadeFalloff;
         // go through each pixel, in the radius of the tool, in the image
         for (int y = miny; y < maxy; y++){
             for (int x = minx; x < maxx; x++){
@@ -178,13 +178,14 @@ public class PaintTerrainToolAction extends AbstractTerrainToolAction {
                     manipulatePixel(image, x, y, color, false); // gets the color at that location (false means don't write to the buffer)
 
                     // calculate the fade falloff intensity
-                    float intensity = 0.1f;
-                    if (dist > radiusFalloff) {
+                    float intensity = (1.0f-(dist/radiusSquared))*fadeFalloff;
+                    /*if (dist > radiusFalloff) {
                         float dr = radius - radiusFalloff; // falloff to radius length
                         float d2 = dist - radiusFalloff; // dist minus falloff
                         d2 = d2/dr; // dist percentage of falloff length
                         intensity = 1-d2; // fade out more the farther away it is
-                    }
+                    }*/
+                    
                     
                     //if (dragged)
                     //	intensity = intensity*0.1f; // magical divide it by 10 to reduce its intensity when mouse is dragged