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Bugfix: fixed a bug that caused NPE during vertex groups loading when

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mesh block was saved without its parent.
This commit is contained in:
jmekaelthas 2016-03-17 18:05:27 +01:00
parent 32be69f3e6
commit be3dc06e28
1 changed files with 23 additions and 20 deletions
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43
jme3-blender/src/main/java/com/jme3/scene/plugins/blender/meshes/MeshHelper.java
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@ -286,30 +286,33 @@ public class MeshHelper extends AbstractBlenderHelper {
List<Map<String, Float>> result = new ArrayList<Map<String, Float>>();
Structure parent = blenderContext.peekParent();
Structure defbase = (Structure) parent.getFieldValue("defbase");
List<String> groupNames = new ArrayList<String>();
List<Structure> defs = defbase.evaluateListBase();
for (Structure def : defs) {
groupNames.add(def.getFieldValue("name").toString());
}
if(parent != null) {
// the mesh might be saved without its parent (it is then unused)
Structure defbase = (Structure) parent.getFieldValue("defbase");
List<String> groupNames = new ArrayList<String>();
List<Structure> defs = defbase.evaluateListBase();
for (Structure def : defs) {
groupNames.add(def.getFieldValue("name").toString());
}
Pointer pDvert = (Pointer) meshStructure.getFieldValue("dvert");// dvert = DeformVERTices
if (pDvert.isNotNull()) {// assigning weights and bone indices
List<Structure> dverts = pDvert.fetchData();
for (Structure dvert : dverts) {
Map<String, Float> weightsForVertex = new HashMap<String, Float>();
Pointer pDW = (Pointer) dvert.getFieldValue("dw");
if (pDW.isNotNull()) {
List<Structure> dw = pDW.fetchData();
for (Structure deformWeight : dw) {
int groupIndex = ((Number) deformWeight.getFieldValue("def_nr")).intValue();
float weight = ((Number) deformWeight.getFieldValue("weight")).floatValue();
String groupName = groupNames.get(groupIndex);
Pointer pDvert = (Pointer) meshStructure.getFieldValue("dvert");// dvert = DeformVERTices
if (pDvert.isNotNull()) {// assigning weights and bone indices
List<Structure> dverts = pDvert.fetchData();
for (Structure dvert : dverts) {
Map<String, Float> weightsForVertex = new HashMap<String, Float>();
Pointer pDW = (Pointer) dvert.getFieldValue("dw");
if (pDW.isNotNull()) {
List<Structure> dw = pDW.fetchData();
for (Structure deformWeight : dw) {
int groupIndex = ((Number) deformWeight.getFieldValue("def_nr")).intValue();
float weight = ((Number) deformWeight.getFieldValue("weight")).floatValue();
String groupName = groupNames.get(groupIndex);
weightsForVertex.put(groupName, weight);
weightsForVertex.put(groupName, weight);
}
}
result.add(weightsForVertex);
}
result.add(weightsForVertex);
}
}
return result;