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Preliminary (but relatively untested) skin clusters working

This commit is contained in:
Josh Yelon 2005-08-01 20:29:26 +00:00
parent 1c40af594f
commit 90856d52c0
1 changed files with 83 additions and 49 deletions
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132
pandatool/src/mayaeggimport/mayaEggLoader.cxx
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@ -59,6 +59,7 @@
#include <maya/MMatrix.h>
#include <maya/MTransformationMatrix.h>
#include <maya/MFnIkJoint.h>
#include <maya/MFnSkinCluster.h>
#include "post_maya_include.h"
#include "mayaEggLoader.h"
@ -82,7 +83,7 @@ public:
MayaEggJoint *FindJoint(EggGroup *joint);
MayaEggJoint *MakeJoint(EggGroup *joint, EggGroup *context);
MayaEggTex *GetTex(const string &name, const string &fn);
void CreateSkinModifier(MayaEggMesh *M);
void CreateSkinCluster(MayaEggMesh *M);
typedef phash_map<EggVertexPool *, MayaEggMesh *> MeshTable;
typedef second_of_pair_iterator<MeshTable::const_iterator> MeshIterator;
@ -205,6 +206,9 @@ public:
double _thickness;
MObject _joint;
MMatrix _joint_abs;
MDagPath _joint_dag_path;
bool _inskin;
int _index;
EggGroup *_egg_joint;
MayaEggJoint *_parent;
vector <MayaEggJoint *> _children;
@ -249,6 +253,8 @@ MayaEggJoint *MayaEggLoader::MakeJoint(EggGroup *joint, EggGroup *context)
result->_egg_joint = joint;
result->_parent = parent;
result->_joint = MObject::kNullObj;
result->_inskin = false;
result->_index = -1;
if (parent) parent->_children.push_back(result);
_joint_tab[joint] = result;
return result;
@ -337,6 +343,7 @@ void MayaEggJoint::CreateMayaBone(CoordinateSystem sys)
else ikj.create();
ikj.set(mtm);
_joint = ikj.object();
ikj.getPath(_joint_dag_path);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
@ -568,54 +575,81 @@ EggGroup *MayaEggMesh::GetControlJoint(void)
}
}
void MayaEggLoader::CreateSkinModifier(MayaEggMesh *M)
void MayaEggLoader::CreateSkinCluster(MayaEggMesh *M)
{
// vector <MayaEggJoint *> joints;
//
// M->_dobj = CreateDerivedObject(M->_obj);
// M->_node->SetObjectRef(M->_dobj);
// M->_skin_mod = (Modifier*)CreateInstance(OSM_CLASS_ID, SKIN_CLASSID);
// M->_iskin = (ISkin*)M->_skin_mod->GetInterface(I_SKIN);
// M->_iskin_import = (ISkinImportData*)M->_skin_mod->GetInterface(I_SKINIMPORTDATA);
// M->_dobj->SetAFlag(A_LOCK_TARGET);
// M->_dobj->AddModifier(M->_skin_mod);
// M->_dobj->ClearAFlag(A_LOCK_TARGET);
// GetCOREInterface()->ForceCompleteRedraw();
//
// VertTable::const_iterator vert;
// for (vert=M->_vert_tab.begin(); vert != M->_vert_tab.end(); ++vert) {
// for (int i=0; i<vert->_weights.size(); i++) {
// double strength = vert->_weights[i].first;
// MayaEggJoint *joint = FindJoint(vert->_weights[i].second);
// if (!joint->_inskin) {
// joint->_inskin = true;
// joints.push_back(joint);
// }
// }
// }
// for (int i=0; i<joints.size(); i++) {
// BOOL last = (i == (joints.size()-1)) ? TRUE : FALSE;
// M->_iskin_import->AddBoneEx(joints[i]->_node, last);
// joints[i]->_inskin = false;
// }
//
// GetCOREInterface()->SetCommandPanelTaskMode(TASK_MODE_MODIFY);
// GetCOREInterface()->SelectNode(M->_node);
// GetCOREInterface()->ForceCompleteRedraw();
//
// for (vert=M->_vert_tab.begin(); vert != M->_vert_tab.end(); ++vert) {
// Tab<INode*> mayaJoints;
// Tab<float> mayaWeights;
// mayaJoints.ZeroCount();
// mayaWeights.ZeroCount();
// for (int i=0; i<vert->_weights.size(); i++) {
// float strength = (float)(vert->_weights[i].first);
// MayaEggJoint *joint = FindJoint(vert->_weights[i].second);
// mayaWeights.Append(1,&strength);
// mayaJoints.Append(1,&(joint->_node));
// }
// M->_iskin_import->AddWeights(M->_node, vert->_index, mayaJoints, mayaWeights);
// }
MString cmd("skinCluster -mi ");
vector <MayaEggJoint *> joints;
VertTable::const_iterator vert;
int maxInfluences = 0;
for (vert=M->_vert_tab.begin(); vert != M->_vert_tab.end(); ++vert) {
if ((int)(vert->_weights.size()) > maxInfluences)
maxInfluences = vert->_weights.size();
for (unsigned int i=0; i<vert->_weights.size(); i++) {
double strength = vert->_weights[i].first;
MayaEggJoint *joint = FindJoint(vert->_weights[i].second);
if (!joint->_inskin) {
joint->_inskin = true;
joint->_index = joints.size();
joints.push_back(joint);
}
}
}
cmd += maxInfluences;
for (unsigned int i=0; i<joints.size(); i++) {
MFnDependencyNode joint(joints[i]->_joint);
cmd = cmd + " ";
cmd = cmd + joint.name();
}
MFnDependencyNode shape(M->_shapeNode);
cmd = cmd + " ";
cmd = cmd + shape.name();
MStatus status;
MDGModifier dgmod;
status = dgmod.commandToExecute(cmd);
if (status != MStatus::kSuccess) { perror("skinCluster commandToExecute"); return; }
status = dgmod.doIt();
if (status != MStatus::kSuccess) { perror("skinCluster doIt"); return; }
MPlugArray oldplugs;
MPlug inPlug = shape.findPlug("inMesh");
if ((!inPlug.connectedTo(oldplugs,true,false))||(oldplugs.length() != 1)) {
cerr << "skinCluster command failed";
return;
}
MFnSkinCluster skinCluster(oldplugs[0].node());
MIntArray influenceIndices;
MFnSingleIndexedComponent component;
component.create(MFn::kMeshVertComponent);
component.setCompleteData(M->_vert_count);
for (unsigned int i=0; i<joints.size(); i++) {
unsigned int index = skinCluster.indexForInfluenceObject(joints[i]->_joint_dag_path, &status);
if (status != MStatus::kSuccess) { perror("skinCluster index"); return; }
influenceIndices.append((int)index);
}
MFloatArray values, oldvalues;
int tot = M->_vert_count * joints.size();
values.setLength(tot);
oldvalues.setLength(tot);
for (int i=0; i<tot; i++) values[i] = 0.0;
for (vert=M->_vert_tab.begin(); vert != M->_vert_tab.end(); ++vert) {
for (unsigned int i=0; i<vert->_weights.size(); i++) {
double strength = vert->_weights[i].first;
MayaEggJoint *joint = FindJoint(vert->_weights[i].second);
values[vert->_index * joints.size() + joint->_index] = (float)strength;
}
}
skinCluster.setWeights(M->_shape_dag_path, component.object(), influenceIndices, values, false, &oldvalues);
for (unsigned int i=0; i<joints.size(); i++) {
joints[i]->_inskin = false;
joints[i]->_index = -1;
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
@ -736,7 +770,7 @@ bool MayaEggLoader::ConvertEggData(EggData *data, bool merge, bool model, bool a
for (ci = _mesh_tab.begin(); ci != _mesh_tab.end(); ++ci) {
MayaEggMesh *mesh = (*ci);
EggGroup *joint = mesh->GetControlJoint();
if (joint) CreateSkinModifier(mesh);
if (joint) CreateSkinCluster(mesh);
}
for (ci = _mesh_tab.begin(); ci != _mesh_tab.end(); ++ci) (*ci)->AssignNames();