bool LWObject::collectWeights(const std::vector<LWBone> &bones)
{
LWObjectInfo *objectInfo = Manager::getSingleton()->getObjectInfo();
if(objectInfo == 0)
return false;
LWMeshInfo *meshInfo = objectInfo->meshInfo(lwId, TRUE);
if(meshInfo == 0)
return false;
bool hasWeights = false;
// Each bone has it's own weightmap
for(unsigned int i = 0; i < bones.size(); ++i)
{
const std::string &weightMap = bones[i].getWeightName();
// Select vertex map to read
void *map = 0;
if((map = meshInfo->pntVLookup(meshInfo, LWVMAP_WGHT, weightMap.c_str())) == 0)
continue;
if(meshInfo->pntVSelect(meshInfo, map) != 1)
{
Manager::getSingleton()->getExporter()->printWarning(name + ": weightmap has more than 1 dimension");
continue;
}
// Try for each vertex
for(unsigned int j = 0; j < vertices.size(); ++j)
{
float weight = 0.f;
if(meshInfo->pntVGet(meshInfo, vertices[j].id, &weight))
{
// 0-weight is valid
//if(fabs(weight) < .001f)
// continue;
// Set if greater than what's already in
for(int k = 0; k < LWVertex::MAX_WEIGHTS; ++k)
{
if(vertices[j].boneIndices[k] == -1 || fabs(vertices[j].boneWeights[k]) < fabsf(weight))
{
// Store old value forward
if(k + 1 < LWVertex::MAX_WEIGHTS)
{
vertices[j].boneIndices[k + 1] = vertices[j].boneIndices[k];
vertices[j].boneWeights[k + 1] = vertices[j].boneWeights[k];
}
vertices[j].boneIndices[k] = i;
vertices[j].boneWeights[k] = weight;
break;
}
}
/*
// Set if has no weight
bool set = false;
for(int k = 0; k < LWVertex::MAX_WEIGHTS; ++k)
{
if(vertices[j].boneIndices[k] == -1)
{
vertices[j].boneIndices[k] = i;
vertices[j].boneWeights[k] = weight;
set = true;
hasWeights = true;
break;
}
}
if(set == true)
continue;
// Set if greater than what's already in
for(k = LWVertex::MAX_WEIGHTS - 1; k >= 0; --k)
{
if(fabs(vertices[j].boneWeights[k]) < fabsf(weight))
{
// Store old value forward
if(k + 1 < LWVertex::MAX_WEIGHTS)
{
vertices[j].boneIndices[k + 1] = vertices[j].boneIndices[k];
vertices[j].boneWeights[k + 1] = vertices[j].boneWeights[k];
}
vertices[j].boneIndices[k] = i;
vertices[j].boneWeights[k] = weight;
break;
}
}
*/
}
}
}
if(meshInfo->destroy)
meshInfo->destroy(meshInfo);
return hasWeights;
}
