TerrainGrid no longer needs initialize() called, handled automatically now.

TG normal seams fixed

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8807 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/terrain/com/jme3/terrain/geomipmap/TerrainGrid.java

@@ -31,6 +31,7 @@
  */
 package com.jme3.terrain.geomipmap;
 
+import com.jme3.bounding.BoundingBox;
 import com.jme3.export.JmeExporter;
 import com.jme3.export.JmeImporter;
 import com.jme3.scene.control.UpdateControl;
@@ -50,6 +51,7 @@ import com.jme3.material.Material;
 import com.jme3.math.FastMath;
 import com.jme3.math.Vector2f;
 import com.jme3.math.Vector3f;
+import com.jme3.scene.Spatial;
 import com.jme3.terrain.Terrain;
 import com.jme3.terrain.geomipmap.lodcalc.LodCalculator;
 import com.jme3.terrain.heightmap.HeightMapGrid;
@@ -118,6 +120,7 @@ public class TerrainGrid extends TerrainQuad {
     protected PhysicsSpace space;
     private int cellsLoaded = 0;
     private int[] gridOffset;
+    private boolean runOnce = false;
 
     protected class UpdateQuadCache implements Runnable {
 
@@ -166,7 +169,7 @@ public class TerrainGrid extends TerrainQuad {
 
                             public Object call() throws Exception {
                                 attachQuadAt(newQuad, quadrant, quadCell);
-                                newQuad.resetCachedNeighbours();
+                                //newQuad.resetCachedNeighbours();
                                 return null;
                             }
                         });
@@ -269,6 +272,9 @@ public class TerrainGrid extends TerrainQuad {
 
     }
 
+    /**
+     * @deprecated not needed to be called any more, handled automatically
+     */
     public void initialize(Vector3f location) {
         if (this.material == null) {
             throw new RuntimeException("Material must be set prior to call of initialize");
@@ -293,13 +299,14 @@ public class TerrainGrid extends TerrainQuad {
             gridOffset[1] = Math.round(camCell.z * (size / 2));
             cellsLoaded = 0;
         }
-        if (camCell.x != this.currentCamCell.x || camCell.z != currentCamCell.z) {
+        if (camCell.x != this.currentCamCell.x || camCell.z != currentCamCell.z || !runOnce) {
             // if the camera has moved into a new cell, load new terrain into the visible 4 center quads
             this.updateChildren(camCell);
             for (TerrainGridListener l : this.listeners) {
                 l.gridMoved(camCell);
             }
         }
+        runOnce = true;
         super.update(locations, lodCalculator);
     }
 
@@ -353,6 +360,14 @@ public class TerrainGrid extends TerrainQuad {
             l.tileAttached(quadCell, q);
         }
         updateModelBound();
+        
+        for (Spatial s : getChildren()) {
+            if (s instanceof TerrainQuad) {
+                TerrainQuad tq = (TerrainQuad)s;
+                tq.resetCachedNeighbours();
+                tq.fixNormalEdges(new BoundingBox(tq.getWorldTranslation(), totalSize*2, Float.MAX_VALUE, totalSize*2));
+            }
+        }
     }
 
     @Deprecated

engine/src/terrain/com/jme3/terrain/geomipmap/TerrainQuad.java

@@ -584,7 +584,7 @@ public class TerrainQuad extends Node implements Terrain {
                     TerrainPatch patch = (TerrainPatch) child;
                     UpdatedTerrainPatch utp = updated.get(patch.getName());
 
-                    if(utp.lodChanged()) {
+                    if(utp != null && utp.lodChanged()) {
                         if (!patch.searchedForNeighboursAlready) {
                             // set the references to the neighbours
                             patch.rightNeighbour = findRightPatch(patch);
@@ -976,6 +976,13 @@ public class TerrainQuad extends Node implements Terrain {
         return false;
     }
     
+    /**
+     * This will cause all normals for this terrain quad to be recalculated
+     */
+    protected void setNeedToRecalculateNormals() {
+        affectedAreaBBox = new BoundingBox(new Vector3f(0,0,0), size*2, Float.MAX_VALUE, size*2);
+    }
+
     public float getHeightmapHeight(Vector2f xz) {
         // offset
         int halfSize = totalSize / 2;

engine/src/test/jme3test/terrain/TerrainFractalGridTest.java

@@ -138,7 +138,7 @@ public class TerrainFractalGridTest extends SimpleApplication {
 
         this.viewPort.setBackgroundColor(new ColorRGBA(0.7f, 0.8f, 1f, 1f));
 
-        this.terrain.initialize(cam.getLocation());
+        
     }
 
     @Override

engine/src/test/jme3test/terrain/TerrainGridAlphaMapTest.java

@@ -92,6 +92,7 @@ public class TerrainGridAlphaMapTest extends SimpleApplication {
         material = new Material(assetManager, "Common/MatDefs/Terrain/TerrainLighting.j3md");
         material.setBoolean("useTriPlanarMapping", false);
         //material.setBoolean("isTerrainGrid", true);
+        material.setFloat("Shininess", 0.0f);
 
         // GRASS texture
         Texture grass = assetManager.loadTexture("Textures/Terrain/splat/grass.jpg");
@@ -192,11 +193,11 @@ public class TerrainGridAlphaMapTest extends SimpleApplication {
 
             public void tileAttached(Vector3f cell, TerrainQuad quad) {
                 Texture alpha = null;
-                try {
-                    alpha = assetManager.loadTexture("TerrainAlphaTest/alpha_" + (int)cell.x+ "_" + (int)cell.z + ".png");
-                } catch (Exception e) {
+                //try {
+                //    alpha = assetManager.loadTexture("TerrainAlphaTest/alpha_" + (int)cell.x+ "_" + (int)cell.z + ".png");
+                //} catch (Exception e) {
                     alpha = assetManager.loadTexture("TerrainAlphaTest/alpha_default.png");
-                }
+                //}
                 quad.getMaterial().setTexture("AlphaMap", alpha);
                 if (usePhysics) {
                     quad.addControl(new RigidBodyControl(new HeightfieldCollisionShape(quad.getHeightMap(), terrain.getLocalScale()), 0));
@@ -213,7 +214,7 @@ public class TerrainGridAlphaMapTest extends SimpleApplication {
                 updateMarkerElevations();
             }
         });
-        this.terrain.initialize(cam.getLocation());
+        
         this.initKeys();
     
         markers = new Node();

engine/src/test/jme3test/terrain/TerrainGridSerializationTest.java

@@ -97,7 +97,7 @@ public class TerrainGridSerializationTest extends SimpleApplication {
 
             });
         }
-        this.terrain.initialize(cam.getLocation());
+        
         this.initKeys();
     }
 

engine/src/test/jme3test/terrain/TerrainGridTest.java

@@ -158,7 +158,7 @@ public class TerrainGridTest extends SimpleApplication {
 
             });
         }
-        this.terrain.initialize(cam.getLocation());
+        
         this.initKeys();
     }
 

engine/src/test/jme3test/terrain/TerrainGridTileLoaderTest.java

@@ -154,7 +154,7 @@ public class TerrainGridTileLoaderTest extends SimpleApplication {
 
             });
         }
-        this.terrain.initialize(cam.getLocation());
+        
         this.initKeys();
     }
 

engine/src/test/jme3test/terrain/TerrainTestAdvanced.java

@@ -97,6 +97,7 @@ public class TerrainTestAdvanced extends SimpleApplication {
         // TERRAIN TEXTURE material
         matTerrain = new Material(assetManager, "Common/MatDefs/Terrain/TerrainLighting.j3md");
         matTerrain.setBoolean("useTriPlanarMapping", false);
+        matTerrain.setFloat("Shininess", 0.0f);
 
         // ALPHA map (for splat textures)
         matTerrain.setTexture("AlphaMap", assetManager.loadTexture("Textures/Terrain/splat/alpha1.png"));

engine/src/test/jme3test/terrain/TerrainTestModifyHeight.java

@@ -408,7 +408,7 @@ public class TerrainTestModifyHeight extends SimpleApplication {
         terrain.setMaterial(matTerrain);
         terrain.setLocalTranslation(0, 0, 0);
         terrain.setLocalScale(2f, 1f, 2f);
-        ((TerrainGrid)terrain).initialize(Vector3f.ZERO);
+        
         rootNode.attachChild(this.terrain);
 
         TerrainLodControl control = new TerrainLodControl(this.terrain, getCamera());