TheCloud/panda3d
1
0
Fork 0
mirror of https://github.com/panda3d/panda3d.git synced 2025-10-02 01:44:06 -04:00
Code Issues Packages Projects Releases Wiki Activity

incorporated new method to getWeights from cluster. the nurbSurface getweights is not tested though! hopefully it will work.

Browse Source
This commit is contained in:
Asad M. Zaman 2004-12-23 00:42:43 +00:00
parent f96ddb1420
commit 2de4051fea
1 changed files with 99 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

83
pandatool/src/mayaegg/mayaToEggConverter.cxx
View File

@ -51,6 +51,8 @@
#include <maya/MFnMesh.h> #include <maya/MFnMesh.h>
#include <maya/MFnMeshData.h> #include <maya/MFnMeshData.h>
#include <maya/MItMeshPolygon.h> #include <maya/MItMeshPolygon.h>
#include <maya/MItMeshVertex.h>
#include <maya/MItSurfaceCV.h>
#include <maya/MFnPlugin.h> #include <maya/MFnPlugin.h>
#include <maya/MItDag.h> #include <maya/MItDag.h>
#include <maya/MLibrary.h> #include <maya/MLibrary.h>
@ -1963,6 +1965,7 @@ get_vertex_weights(const MDagPath &dag_path, const MFnMesh &mesh,
// spot a skinCluster node. // spot a skinCluster node.
// //
MObject c_node = it.thisNode(); MObject c_node = it.thisNode();
//mayaegg_cat.info() << "thisNode type: " << c_node.apiTypeStr() << endl;
if (c_node.hasFn(MFn::kSkinClusterFilter)) { if (c_node.hasFn(MFn::kSkinClusterFilter)) {
// We've found the cluster handle. Try to get the weight // We've found the cluster handle. Try to get the weight
// data. // data.
@ -1973,6 +1976,9 @@ get_vertex_weights(const MDagPath &dag_path, const MFnMesh &mesh,
return false; return false;
} }
mayaegg_cat.info() << "getting weights of mesh: " << dag_path.fullPathName() << endl;
mayaegg_cat.info() << "and cluster: " << cluster.name() << endl;
// Get the set of objects that influence the vertices of this // Get the set of objects that influence the vertices of this
// mesh. Hopefully these will all be joints. // mesh. Hopefully these will all be joints.
MDagPathArray influence_objects; MDagPathArray influence_objects;
@ -1984,8 +1990,10 @@ get_vertex_weights(const MDagPath &dag_path, const MFnMesh &mesh,
// Fill up the vector with the corresponding table of egg // Fill up the vector with the corresponding table of egg
// groups for each joint. // groups for each joint.
joints.clear(); joints.clear();
int numWeights = 0;
for (unsigned oi = 0; oi < influence_objects.length(); oi++) { for (unsigned oi = 0; oi < influence_objects.length(); oi++) {
MDagPath joint_dag_path = influence_objects[oi]; MDagPath joint_dag_path = influence_objects[oi];
//mayaegg_cat.info() << "influence joint[" << oi << "]:" << joint_dag_path.partialPathName() <<endl;
MayaNodeDesc *joint_node_desc = _tree.build_node(joint_dag_path); MayaNodeDesc *joint_node_desc = _tree.build_node(joint_dag_path);
EggGroup *joint = _tree.get_egg_group(joint_node_desc); EggGroup *joint = _tree.get_egg_group(joint_node_desc);
joints.push_back(joint); joints.push_back(joint);
@ -1993,31 +2001,52 @@ get_vertex_weights(const MDagPath &dag_path, const MFnMesh &mesh,
// Now use a component object to retrieve all of the weight // Now use a component object to retrieve all of the weight
// data in one API call. // data in one API call.
MFnSingleIndexedComponent sic; // To get a handle to the mesh verices component create an MItMeshVertex
MObject sic_object = sic.create(MFn::kMeshVertComponent); MItMeshVertex mvIt(dag_path, MObject::kNullObj , &status );
sic.setCompleteData(mesh.numVertices()); if (!status)
status.perror("MItMeshVertex::constructor");
else {
MObject component = mvIt.vertex(&status);
if (!status)
status.perror("MItMeshVertex::vertex");
else {
MFnSingleIndexedComponent sic(component, &status);
if (!status)
status.perror("MFnSingleIndexedComponent::constructor");
else {
int numVertices;
numVertices = mvIt.count(&status);
if (!status)
status.perror("MItMeshVertex::count");
else {
mayaegg_cat.info() << "numVertices in Mesh: " << numVertices << endl;
sic.setCompleteData(numVertices);
unsigned influence_count; unsigned influence_count;
status = cluster.getWeights(dag_path, sic.object(),
status = cluster.getWeights(dag_path, sic_object,
weights, influence_count); weights, influence_count);
if (!status) { if (!status)
status.perror("MFnSkinCluster::getWeights"); status.perror("MFnSkinCluster::getWeights");
} else { else {
if (influence_count != influence_objects.length()) { if (influence_count != influence_objects.length()) {
mayaegg_cat.error() mayaegg_cat.error()
<< "MFnSkinCluster::influenceObjects() returns " << "MFnSkinCluster::influenceObjects() returns "
<< influence_objects.length() << influence_objects.length()
<< " objects, but MFnSkinCluster::getWeights() reports " << " objects, but MFnSkinCluster::getWeights() reports "
<< influence_count << " objects.\n"; << influence_count << " objects.\n";
} else { } else {
// We've got the weights and the set of objects. That's all // We've got the weights and the set of objects. That's all
// we need. // we need.
mayaegg_cat.info() << "influence_count :" << influence_count << endl;
mayaegg_cat.info() << "number of weights :" << weights.length() << endl;
return true; return true;
} }
} }
} }
} }
}
}
}
}
it.next(); it.next();
} }
@ -2086,12 +2115,32 @@ get_vertex_weights(const MDagPath &dag_path, const MFnNurbsSurface &surface,
// Now use a component object to retrieve all of the weight // Now use a component object to retrieve all of the weight
// data in one API call. // data in one API call.
MFnDoubleIndexedComponent dic; // To get a handle to the surface cvs component create an MItSurfaceCV
MObject dic_object = dic.create(MFn::kSurfaceCVComponent); MItSurfaceCV scvIt(dag_path, MObject::kNullObj , true, &status );
dic.setCompleteData(surface.numCVsInU(), surface.numCVsInV()); if (!status)
status.perror("MItSurfaceCV::constructor");
else {
MObject component = scvIt.cv(&status);
if (!status)
status.perror("MItSurfaceCV::cv");
else {
MFnDoubleIndexedComponent dic(component,&status);
if (!status)
status.perror("MFnDoubleIndexedComponent::constructor");
else {
int numUCVs, numVCVs;
status = scvIt.getIndex(numUCVs, numVCVs);
if (!status)
status.perror("mItSurfaceCV::getIndex");
else {
mayaegg_cat.info() << "numCVs in U: " << numUCVs << endl;
mayaegg_cat.info() << "numCVs in V: " << numVCVs << endl;
mayaegg_cat.info() << "numCVs in U from surface: " << surface.numCVsInU() << endl;
mayaegg_cat.info() << "numCVs in V from surface: " << surface.numCVsInV() << endl;
//dic.setCompleteData(surface.numCVsInU(), surface.numCVsInV());
dic.setCompleteData(numUCVs, numVCVs);
unsigned influence_count; unsigned influence_count;
status = cluster.getWeights(dag_path, dic.object(),
status = cluster.getWeights(dag_path, dic_object,
weights, influence_count); weights, influence_count);
if (!status) { if (!status) {
status.perror("MFnSkinCluster::getWeights"); status.perror("MFnSkinCluster::getWeights");
@ -2102,19 +2151,23 @@ get_vertex_weights(const MDagPath &dag_path, const MFnNurbsSurface &surface,
<< influence_objects.length() << influence_objects.length()
<< " objects, but MFnSkinCluster::getWeights() reports " << " objects, but MFnSkinCluster::getWeights() reports "
<< influence_count << " objects.\n"; << influence_count << " objects.\n";
} else { } else {
// We've got the weights and the set of objects. That's all // We've got the weights and the set of objects. That's all
// we need. // we need.
mayaegg_cat.info() << "influence_count :" << influence_count << endl;
mayaegg_cat.info() << "number of weights :" << weights.length() << endl;
return true; return true;
} }
} }
} }
} }
}
}
}
}
it.next(); it.next();
} }
// The surface was not soft-skinned. // The surface was not soft-skinned.
return false; return false;
} }