private void gatherGeomerties(Map<Material, List<Geometry>> map, Spatial n, boolean rebatch) {
if (n instanceof Geometry) {
if (!isBatch(n) && n.getBatchHint() != BatchHint.Never) {
Geometry g = (Geometry) n;
if (!g.isBatched() || rebatch) {
if (g.getMaterial() == null) {
throw new IllegalStateException(
"No material is set for Geometry: "
+ g.getName()
+ " please set a material before batching");
}
List<Geometry> list = map.get(g.getMaterial());
if (list == null) {
// trying to compare materials with the isEqual method
for (Map.Entry<Material, List<Geometry>> mat : map.entrySet()) {
if (g.getMaterial().contentEquals(mat.getKey())) {
list = mat.getValue();
}
}
}
if (list == null) {
list = new ArrayList<Geometry>();
map.put(g.getMaterial(), list);
}
g.setTransformRefresh();
list.add(g);
}
}
} else if (n instanceof Node) {
for (Spatial child : ((Node) n).getChildren()) {
if (child instanceof BatchNode) {
continue;
}
gatherGeomerties(map, child, rebatch);
}
}
}
protected void doBatch() {
Map<Material, List<Geometry>> matMap = new HashMap<Material, List<Geometry>>();
int nbGeoms = 0;
gatherGeomerties(matMap, this, needsFullRebatch);
if (needsFullRebatch) {
for (Batch batch : batches.getArray()) {
batch.geometry.removeFromParent();
}
batches.clear();
batchesByGeom.clear();
}
// only reset maxVertCount if there is something new to batch
if (matMap.size() > 0) {
maxVertCount = 0;
}
for (Map.Entry<Material, List<Geometry>> entry : matMap.entrySet()) {
Mesh m = new Mesh();
Material material = entry.getKey();
List<Geometry> list = entry.getValue();
nbGeoms += list.size();
String batchName = name + "-batch" + batches.size();
Batch batch;
if (!needsFullRebatch) {
batch = findBatchByMaterial(material);
if (batch != null) {
list.add(0, batch.geometry);
batchName = batch.geometry.getName();
batch.geometry.removeFromParent();
} else {
batch = new Batch();
}
} else {
batch = new Batch();
}
mergeGeometries(m, list);
m.setDynamic();
batch.updateGeomList(list);
batch.geometry = new Geometry(batchName);
batch.geometry.setMaterial(material);
this.attachChild(batch.geometry);
batch.geometry.setMesh(m);
batch.geometry.getMesh().updateCounts();
batch.geometry.getMesh().updateBound();
batches.add(batch);
}
if (batches.size() > 0) {
needsFullRebatch = false;
}
logger.log(
Level.FINE,
"Batched {0} geometries in {1} batches.",
new Object[] {nbGeoms, batches.size()});
// init the temp arrays if something has been batched only.
if (matMap.size() > 0) {
// TODO these arrays should be allocated by chunk instead to avoid recreating them each time
// the batch is changed.
// init temp float arrays
tmpFloat = new float[maxVertCount * 3];
tmpFloatN = new float[maxVertCount * 3];
if (useTangents) {
tmpFloatT = new float[maxVertCount * 4];
}
}
}