Another Video. Same camera path as previous posted video but this time a small addition to the code was added to test the Action Hooks for Tile Attached and Tile Detached.
terrainTiler = new TerrainTiler(cam, 32, uJars, 1, tileDir, this);
terrainTiler.setGridSize(5); // grid can be 3,5,7 or 9. Defaults to 3
terrainTiler.addActionHandler(new TerrainTilerAction() {
public synchronized void tileAttached(Vector3f center, TerrainQuad tile) {
System.out.println("Adding trees to tile: "+tile.getName());
float tx = tile.getLocalTranslation().x;
float tz = tile.getLocalTranslation().z;
int tsize = terrainTiler.getTileSize()*terrainTiler.getTileScale();
int num = new Random().nextInt(20)+20;
for (int i=0; i<num; i++) {
float x = tx - tsize/2 + new Random().nextFloat()*tsize;
float z = tz - tsize/2 + new Random().nextFloat()*tsize;
float h = terrainTiler.getHeight(new Vector2f(x,z));
if (h > 100f & h < 300f) {
String id = tile.getName()+i;
tree.setLocalTranslation(x, h, z);
tree.setName(id);
treeList.put(id, tree.clone());
rootNode.attachChild(treeList.get(id));
}
}
}
public synchronized void tileDetached(Vector3f center, TerrainQuad tile) {
System.out.println("Removing Trees from tile: "+tile.getName());
Iterator it = treeList.keySet().iterator();
while (it.hasNext()) {
String id = (String) it.next();
if (id.startsWith(tile.getName())) {
rootNode.detachChild(treeList.get(id));
treeList.remove(id);
}
}
}
});
terrainTiler.setEnabled(true);
rootNode.attachChild(terrainTiler);
Pretty quick and dirty but does the test, “tree” is a Spatial that is a pre-loaded model. The tree model is a very ugly tree imported from a Blender file I found from a quick “free model” search. “treeList” is a ConcurrentHashMap for storing the trees created so it can remove them later. The code throws a random number of trees into the list, provided its location is within a set altitude range. When the tile is detached it finds the trees with the tile ID and removes them.
Next is to test the terrain editing/modifying functions.
Thanks.