bool getDagPathByChildName(MDagPath & ioDagPath, const std::string & iChildName)
{
unsigned int numChildren = ioDagPath.childCount();
std::string strippedName = stripPathAndNamespace(iChildName);
MObject closeMatch;
for (unsigned int i = 0; i < numChildren; ++i)
{
MObject child = ioDagPath.child(i);
MFnDagNode dagChild(child);
std::string name = dagChild.partialPathName().asChar();
if (name == iChildName)
{
ioDagPath.push(child);
return true;
}
if (closeMatch.isNull())
{
if (strippedName == stripPathAndNamespace(name))
{
closeMatch = child;
}
}
}
if (!closeMatch.isNull())
{
ioDagPath.push(closeMatch);
return true;
}
return false;
}
void LiveScene::getChildDags( const MDagPath& dagPath, MDagPathArray& paths ) const
{
for( unsigned i=0; i < dagPath.childCount(); ++i )
{
MDagPath childPath = dagPath;
childPath.push( dagPath.child( i ) );
if( dagPath.length() == 0 )
{
// bizarrely, this iterates through things like the translate manipulator and
// the view cube too, so lets skip them so they don't show up:
if( childPath.node().hasFn( MFn::kManipulator3D ) )
{
continue;
}
// looks like it also gives us the ground plane, so again, lets skip that:
if( childPath.fullPathName() == "|groundPlane_transform" )
{
continue;
}
}
paths.append( childPath );
}
}
MStatus GetShapeNode(MDagPath& path, bool intermediate) {
MStatus status;
if (IsShapeNode(path)) {
// Start at the transform so we can honor the intermediate flag.
path.pop();
}
if (path.hasFn(MFn::kTransform)) {
unsigned int shapeCount = path.childCount();
for (unsigned int i = 0; i < shapeCount; ++i) {
status = path.push(path.child(i));
CHECK_MSTATUS_AND_RETURN_IT(status);
if (!IsShapeNode(path)) {
path.pop();
continue;
}
MFnDagNode fnNode(path, &status);
CHECK_MSTATUS_AND_RETURN_IT(status);
if ((!fnNode.isIntermediateObject() && !intermediate) ||
(fnNode.isIntermediateObject() && intermediate)) {
return MS::kSuccess;
}
// Go to the next shape
path.pop();
}
}
// No valid shape node found.
return MS::kFailure;
}
// ------------------------------------------------------------
void SceneGraph::findForcedNodes()
{
MStatus status;
if ( mExportSelectedOnly )
{
MSelectionList selectedItems;
MGlobal::getActiveSelectionList ( selectedItems );
uint selectedCount = selectedItems.length();
MDagPathArray queue;
for ( uint i = 0; i < selectedCount; ++i )
{
MDagPath selectedPath;
status = selectedItems.getDagPath ( i, selectedPath );
if ( status == MStatus::kSuccess ) queue.append ( selectedPath );
}
while ( queue.length() > 0 )
{
MDagPath selectedPath = queue[queue.length() - 1];
queue.remove ( queue.length() - 1 );
// Queue up the children.
uint childCount = selectedPath.childCount();
for ( uint i = 0; i < childCount; ++i )
{
MObject node = selectedPath.child ( i );
MDagPath childPath = selectedPath;
childPath.push ( node );
queue.append ( childPath );
}
// Look for a mesh
if ( selectedPath.node().hasFn ( MFn::kMesh ) )
{
// export forced nodes in path
addForcedNodes ( selectedPath );
}
}
}
else
{
for ( MItDag dagIt ( MItDag::kBreadthFirst ); !dagIt.isDone(); dagIt.next() )
{
MDagPath currentPath;
status = dagIt.getPath ( currentPath );
if ( status == MStatus::kSuccess )
{
MFnDagNode node ( currentPath );
String nodeName = node.name().asChar();
if ( currentPath.node().hasFn ( MFn::kMesh ) )
{
// export forced nodes in path
addForcedNodes ( currentPath );
}
}
}
}
}
// todo: extend with own light extensions.
bool isLightTransform(MDagPath& dagPath)
{
uint numChilds = dagPath.childCount();
for (uint chId = 0; chId < numChilds; chId++)
{
MDagPath childPath = dagPath;
MStatus stat = childPath.push(dagPath.child(chId));
if (!stat)
{
continue;
}
if (childPath.node().hasFn(MFn::kLight))
return true;
}
return false;
}
bool findCamera(MDagPath& dagPath)
{
if (dagPath.node().hasFn(MFn::kCamera))
return true;
uint numChilds = dagPath.childCount();
for (uint chId = 0; chId < numChilds; chId++)
{
MDagPath childPath = dagPath;
MStatus stat = childPath.push(dagPath.child(chId));
if (!stat)
{
continue;
}
MString childName = childPath.fullPathName();
return findCamera(childPath);
}
return false;
}
// ------------------------------------------------------------
bool SceneGraph::createChildSceneElements ( SceneElement* sceneElement )
{
// Get the current path
MDagPath dagPath = sceneElement->getPath();
// Now, whip through this node's DAG children
MFnDagNode dagFn ( dagPath );
uint childCount = dagFn.childCount();
for ( uint i = 0; i < childCount; ++i )
{
MObject child = dagFn.child ( i );
MDagPath childDagPath = dagPath;
childDagPath.push ( child );
SceneElement* childSceneElement = createSceneElement ( childDagPath, sceneElement );
// Recursive call to take the children
createChildSceneElements ( childSceneElement );
}
return true;
}
void DMPDSExporter::traverseSubSkeleton( DMPParameters* param, const MDagPath& dagPath )
{
MStatus stat;
fillSubSkeleton(param, dagPath);
// look for meshes and cameras within the node's children
for (unsigned int i=0; i<dagPath.childCount(); i++)
{
MObject child = dagPath.child(i);
MDagPath childPath = dagPath;
stat = childPath.push(child);
if (MStatus::kSuccess != stat)
{
std::cout << "Error retrieving path to child " << i << " of: " << dagPath.fullPathName().asChar();
std::cout.flush();
return;
}
fillSubSkeleton(param, childPath);
if (MStatus::kSuccess != stat)
{
return;
}
}
}
// --------------------------------------
void ReferenceManager::processReference ( const MObject& referenceNode )
{
MStatus status;
MFnDependencyNode referenceNodeFn ( referenceNode, &status );
if (status != MStatus::kSuccess) return;
#if MAYA_API_VERSION >= 600
MString referenceNodeName = MFnDependencyNode( referenceNode ).name();
Reference* reference = new Reference();
reference->referenceNode = referenceNode;
mReferences.push_back ( reference );
// Get the paths of the root transforms included in this reference
MObjectArray subReferences;
getRootObjects ( referenceNode, reference->paths, subReferences );
uint pathCount = reference->paths.length();
// Process the sub-references first
uint subReferenceCount = subReferences.length();
for (uint i = 0; i < subReferenceCount; ++i)
{
MObject& subReference = subReferences[i];
if ( subReference != MObject::kNullObj ) processReference ( subReference );
}
// Retrieve the reference node's filename
MString command = MString("reference -rfn \"") + referenceNodeFn.name() + MString("\" -q -filename;");
MString filename;
status = MGlobal::executeCommand ( command, filename );
if (status != MStatus::kSuccess || filename.length() == 0) return;
// Strip the filename of the multiple file token
int stripIndex = filename.index('{');
if (stripIndex != -1) filename = filename.substring(0, stripIndex - 1);
// Avoid transform look-ups on COLLADA references.
int extLocation = filename.rindex('.');
if (extLocation > 0)
{
MString ext = filename.substring(extLocation + 1, filename.length() - 1).toLowerCase();
if (ext == "dae" || ext == "xml") return;
}
// Check for already existing file information
// Otherwise create a new file information sheet with current node names
for ( ReferenceFileList::iterator it = mFiles.begin(); it != mFiles.end(); ++it )
{
if ((*it)->filename == filename)
{
reference->file = (*it);
break;
}
}
if ( reference->file == NULL ) reference->file = processReferenceFile(filename);
// Get the list of the root transform's first child's unreferenced parents.
// This is a list of the imported nodes!
for (uint j = 0; j < pathCount; ++j)
{
MDagPath path = reference->paths[j];
if (path.childCount() > 0)
{
path.push ( path.child(0) );
MFnDagNode childNode ( path );
if (!childNode.object().hasFn(MFn::kTransform)) continue;
uint parentCount = childNode.parentCount();
for (uint k = 0; k < parentCount; ++k)
{
MFnDagNode parentNode(childNode.parent(k));
if (parentNode.object() == MObject::kNullObj || parentNode.isFromReferencedFile()) continue;
MDagPath parentPath = MDagPath::getAPathTo(parentNode.object());
if (parentPath.length() > 0)
{
ReferenceRootList::iterator it =
reference->reroots.insert( reference->reroots.end(), ReferenceRoot() );
(*it).index = j;
(*it).reroot = parentPath;
}
}
}
}
#endif
}
void DMPDSExporter::fillBones( DMPSkeletonData::SubSkeletonStruct* subSkel, string parent, DMPParameters* param, MDagPath& jointDag )
{
MStatus status;
if (jointDag.apiType() != MFn::kJoint)
{
return; // early out.
}
DMPSkeletonData::BoneStruct newBone;
newBone.boneHandle = (unsigned int)subSkel->bones.size();
newBone.name = jointDag.partialPathName().asUTF8();
newBone.parentName = parent;
MFnIkJoint fnJoint(jointDag, &status);
// matrix = [S] * [RO] * [R] * [JO] * [IS] * [T]
/*
These matrices are defined as follows:
•[S] : scale
•[RO] : rotateOrient (attribute name is rotateAxis)
•[R] : rotate
•[JO] : jointOrient
•[IS] : parentScaleInverse
•[T] : translate
The methods to get the value of these matrices are:
•[S] : getScale
•[RO] : getScaleOrientation
•[R] : getRotation
•[JO] : getOrientation
•[IS] : (the inverse of the getScale on the parent transformation matrix)
•[T] : translation
*/
MVector trans = fnJoint.getTranslation(MSpace::kTransform);
double scale[3];
fnJoint.getScale(scale);
MQuaternion R, RO, JO;
fnJoint.getScaleOrientation(RO);
fnJoint.getRotation(R);
fnJoint.getOrientation(JO);
MQuaternion rot = RO * R * JO;
newBone.translate[0] = trans.x * param->lum;
newBone.translate[1] = trans.y * param->lum;
newBone.translate[2] = trans.z * param->lum;
newBone.orientation[0] = rot.w;
newBone.orientation[1] = rot.x;
newBone.orientation[2] = rot.y;
newBone.orientation[3] = rot.z;
newBone.scale[0] = scale[0];
newBone.scale[1] = scale[1];
newBone.scale[2] = scale[2];
subSkel->bones.push_back(newBone);
// Load child joints
for (unsigned int i=0; i<jointDag.childCount();i++)
{
MObject child;
child = jointDag.child(i);
MDagPath childDag = jointDag;
childDag.push(child);
fillBones(subSkel, newBone.name, param, childDag);
}
// now go for animations
if (param->bExportSkelAnimation)
{
for (unsigned int i = 0; i < subSkel->animations.size(); ++i)
{
DMPSkeletonData::TransformAnimation& anim = subSkel->animations[i];
DMPSkeletonData::TransformTrack subTrack;
subTrack.targetBone = newBone.name;
MPlug plugT; // translate
MPlug plugR; // R
MPlug plugRO; // RO
MPlug plugJO; // JO
MPlug plugS; // scale
double dataT[3];
double dataR[3];
double dataRO[3];
double dataJO[3];
double dataS[3];
MFnDependencyNode fnDependNode( jointDag.node(), &status );
plugT = fnDependNode.findPlug("translate", false, &status);
plugR = fnDependNode.findPlug("rotate", false, &status);
plugRO = fnDependNode.findPlug("rotateAxis", false, &status);
plugJO = fnDependNode.findPlug("jointOrient", false, &status);
plugS = fnDependNode.findPlug("scale", false, &status);
float timeStep = param->samplerRate;
if (param->animSampleType == DMPParameters::AST_Frame)
{
timeStep /= param->fps;
}
for (float curTime = anim.startTime; curTime <= anim.endTime; curTime += timeStep)
{
MTime mayaTime;
DMPSkeletonData::TransformKeyFrame keyframe;
keyframe.time = curTime - anim.startTime;
mayaTime.setUnit(MTime::kSeconds);
mayaTime.setValue(curTime);
// Get its value at the specified Time.
plugT.child(0).getValue(dataT[0], MDGContext(mayaTime));
plugT.child(1).getValue(dataT[1], MDGContext(mayaTime));
plugT.child(2).getValue(dataT[2], MDGContext(mayaTime));
plugR.child(0).getValue(dataR[0], MDGContext(mayaTime));
plugR.child(1).getValue(dataR[1], MDGContext(mayaTime));
plugR.child(2).getValue(dataR[2], MDGContext(mayaTime));
plugRO.child(0).getValue(dataRO[0], MDGContext(mayaTime));
plugRO.child(1).getValue(dataRO[1], MDGContext(mayaTime));
plugRO.child(2).getValue(dataRO[2], MDGContext(mayaTime));
plugJO.child(0).getValue(dataJO[0], MDGContext(mayaTime));
plugJO.child(1).getValue(dataJO[1], MDGContext(mayaTime));
plugJO.child(2).getValue(dataJO[2], MDGContext(mayaTime));
plugS.child(0).getValue(dataS[0], MDGContext(mayaTime));
plugS.child(1).getValue(dataS[1], MDGContext(mayaTime));
plugS.child(2).getValue(dataS[2], MDGContext(mayaTime));
// fill the frame.
keyframe.translate[0] = dataT[0] * param->lum;
keyframe.translate[1] = dataT[1] * param->lum;
keyframe.translate[2] = dataT[2] * param->lum;
// calculate quaternion.
MEulerRotation rotR(dataR[0], dataR[1], dataR[2]);
MEulerRotation rotRO(dataRO[0], dataRO[1], dataRO[2]);
MEulerRotation rotJO(dataJO[0], dataJO[1], dataJO[2]);
MQuaternion finalRot = rotRO.asQuaternion()*rotR.asQuaternion()*rotJO.asQuaternion();
keyframe.orientation[0] = finalRot.w;
keyframe.orientation[1] = finalRot.x;
keyframe.orientation[2] = finalRot.y;
keyframe.orientation[3] = finalRot.z;
keyframe.scale[0] = dataS[0];
keyframe.scale[1] = dataS[1];
keyframe.scale[2] = dataS[2];
subTrack.frames.push_back(keyframe);
}
anim.tracks.push_back(subTrack);
}
}
}
// Load a joint
void skeleton::loadJoint(MDagPath& jointDag,joint* parent)
{
int i;
joint newJoint;
joint* parentJoint = parent;
if (jointDag.hasFn(MFn::kJoint))
{
MFnIkJoint jointFn(jointDag);
// Get parent index
int idx=-1;
if (parent)
{
idx = parent->id;
}
// Get joint matrix
MMatrix worldMatrix = jointDag.inclusiveMatrix();
/*float translation1[3];
float rotation1[4];
float scale1[3];
extractTranMatrix(worldMatrix,translation1,rotation1,scale1);
Quaternion q(rotation1[0],rotation1[1],rotation1[2],rotation1[3]);
float angle;
Vector3 axis;
q.ToAngleAxis(angle,axis);
Vector3 x,y,z;
q.ToAxes(x,y,z);*/
//printMatrix(worldMatrix);
// Calculate scaling factor inherited by parent
// Calculate Local Matrix
MMatrix localMatrix = worldMatrix;
if (parent)
localMatrix = worldMatrix * parent->worldMatrix.inverse();
float translation2[3];
float rotation2[4];
float scale2[3];
extractTranMatrix(worldMatrix,translation2,rotation2,scale2);
//printMatrix(localMatrix);
// Set joint info
newJoint.name = jointFn.partialPathName();
newJoint.id = m_joints.size();
newJoint.parentIndex = idx;
newJoint.jointDag = jointDag;
newJoint.worldMatrix = worldMatrix;
newJoint.localMatrix = localMatrix;
for (int iRow = 0; iRow < 4; iRow++)
for (int iCol = 0; iCol < 3; iCol++)
newJoint.tran.m_mat[iRow][iCol] = (FLOAT)worldMatrix[iRow][iCol];
//printMatrix(worldMatrix);
/*MQuaternion q;
q = worldMatrix;
newJoint.tran.q[0] = (float)q.x;
newJoint.tran.q[1] = (float)q.y;
newJoint.tran.q[2] = (float)q.z;
newJoint.tran.q[3] = (float)q.w;
newJoint.tran.t[0] = (float)worldMatrix[3][0];
newJoint.tran.t[1] = (float)worldMatrix[3][1];
newJoint.tran.t[2] = (float)worldMatrix[3][2];*/
MPlug plug = jointFn.findPlug("unRibbonEnabled");
if(!plug.isNull())
{
bool enabled;
plug.getValue(enabled);
if(enabled)
{
plug = jointFn.findPlug("unRibbonVisible");
bool visible;
plug.getValue(visible);
plug = jointFn.findPlug("unRibbonAbove");
float above;
plug.getValue(above);
plug = jointFn.findPlug("unRibbonBelow");
float below;
plug.getValue(below);
plug = jointFn.findPlug("unRibbonEdgesPerSecond");
short edgePerSecond;
plug.getValue(edgePerSecond);
plug = jointFn.findPlug("unRibbonEdgeLife");
float edgeLife;
plug.getValue(edgeLife);
plug = jointFn.findPlug("unRibbonGravity");
float gravity;
plug.getValue(gravity);
plug = jointFn.findPlug("unRibbonTextureRows");
short rows;
plug.getValue(rows);
plug = jointFn.findPlug("unRibbonTextureCols");
short cols;
plug.getValue(cols);
plug = jointFn.findPlug("unRibbonTextureSlot");
short slot;
plug.getValue(slot);
plug = jointFn.findPlug("unRibbonVertexColor");
MObject object;
plug.getValue(object);
MFnNumericData data(object);
float r,g,b;
data.getData(r,g,b);
plug = jointFn.findPlug("unRibbonVertexAlpha");
float alpha;
plug.getValue(alpha);
plug = jointFn.findPlug("unRibbonBlendMode");
short blendMode;
plug.getValue(blendMode);
plug = jointFn.findPlug("unRibbonTextureFilename");
MItDependencyGraph dgIt(plug, MFn::kFileTexture,
MItDependencyGraph::kUpstream,
MItDependencyGraph::kBreadthFirst,
MItDependencyGraph::kNodeLevel);
dgIt.disablePruningOnFilter();
MString textureName;
if (!dgIt.isDone())
{
MObject textureNode = dgIt.thisNode();
MPlug filenamePlug = MFnDependencyNode(textureNode).findPlug("fileTextureName");
filenamePlug.getValue(textureName);
}
else
{
char str[256];
sprintf(str,"%s ribbon system must has file-texture",newJoint.name.asChar());
MessageBox(0,str,0,0);
}
newJoint.hasRibbonSystem = true;
newJoint.ribbon.visible = visible;
newJoint.ribbon.above = above;
newJoint.ribbon.below = below;
newJoint.ribbon.gravity = gravity;
newJoint.ribbon.edgePerSecond = edgePerSecond;
newJoint.ribbon.edgeLife = edgeLife;
newJoint.ribbon.rows = rows;
newJoint.ribbon.cols = cols;
newJoint.ribbon.slot = slot;
newJoint.ribbon.color[0] = r;
newJoint.ribbon.color[1] = g;
newJoint.ribbon.color[2] = b;
newJoint.ribbon.alpha = alpha;
newJoint.ribbon.blendMode = blendMode;
newJoint.ribbon.textureFilename = textureName.asChar();
}
}
plug = jointFn.findPlug("unParticleEnabled");
if(!plug.isNull())
{
bool enabled;
plug.getValue(enabled);
if(enabled)
{
newJoint.hasParticleSystem = true;
plug = jointFn.findPlug("unParticleVisible");
bool visible;
plug.getValue(visible);
plug = jointFn.findPlug("unParticleSpeed");
float speed;
plug.getValue(speed);
plug = jointFn.findPlug("unParticleVariationPercent");
float variation;
plug.getValue(variation);
plug = jointFn.findPlug("unParticleConeAngle");
float coneAngle;
plug.getValue(coneAngle);
plug = jointFn.findPlug("unParticleGravity");
float gravity;
plug.getValue(gravity);
plug = jointFn.findPlug("unParticleExplosiveForce");
float explosiveForce = 0.0f;
if(!plug.isNull())
{
plug.getValue(explosiveForce);
}
plug = jointFn.findPlug("unParticleLife");
float life;
plug.getValue(life);
plug = jointFn.findPlug("unParticleLifeVariation");
float lifeVar;
if(plug.isNull())
{
lifeVar = 0.0f;
}
else
{
plug.getValue(lifeVar);
}
plug = jointFn.findPlug("unParticleEmissionRate");
float emissionRate;
plug.getValue(emissionRate);
plug = jointFn.findPlug("unParticleLimitNum");
short limitNum;
plug.getValue(limitNum);
plug = jointFn.findPlug("unParticleInitialNum");
short initialNum = 0;
if(!plug.isNull())plug.getValue(initialNum);
plug = jointFn.findPlug("unParticleAttachToEmitter");
bool attachToEmitter;
plug.getValue(attachToEmitter);
plug = jointFn.findPlug("unParticleMoveWithEmitter");
bool moveWithEmitter = false;
if(!plug.isNull())plug.getValue(moveWithEmitter);
//23
plug = jointFn.findPlug("unParticleForTheSword");
bool forTheSword = false;
if(!plug.isNull())plug.getValue(forTheSword);
//24
plug = jointFn.findPlug("unParticleForTheSwordInitialAngle");
float forTheSwordInitialAngle = 0;
if(!plug.isNull())plug.getValue(forTheSwordInitialAngle);
//25
plug = jointFn.findPlug("unParticleWander");
bool wander = false;
if(!plug.isNull())plug.getValue(wander);
//25
plug = jointFn.findPlug("unParticleWanderRadius");
float wanderRadius = 0.0f;
if(!plug.isNull())plug.getValue(wanderRadius);
//25
plug = jointFn.findPlug("unParticleWanderSpeed");
float wanderSpeed = 0.0f;
if(!plug.isNull())plug.getValue(wanderSpeed);
plug = jointFn.findPlug("unParticleAspectRatio");
float aspectRatio;
if(plug.isNull())
{
aspectRatio = 1.0f;
}
else
{
plug.getValue(aspectRatio);
}
plug = jointFn.findPlug("unParticleInitialAngleBegin");
float angleBegin;
if(plug.isNull())
{
angleBegin = 0.0f;
}
else
{
plug.getValue(angleBegin);
}
plug = jointFn.findPlug("unParticleInitialAngleEnd");
float angleEnd;
if(plug.isNull())
{
angleEnd = 0.0f;
}
else
{
plug.getValue(angleEnd);
}
plug = jointFn.findPlug("unParticleRotationSpeed");
float rotationSpeed;
if(plug.isNull())
{
rotationSpeed = 0;
}
else
{
plug.getValue(rotationSpeed);
}
plug = jointFn.findPlug("unParticleRotationSpeedVar");
float rotationSpeedVar;
if(plug.isNull())
{
rotationSpeedVar = 0;
}
else
{
plug.getValue(rotationSpeedVar);
}
plug = jointFn.findPlug("unParticleEmitterWidth");
float width;
plug.getValue(width);
plug = jointFn.findPlug("unParticleEmitterLength");
float length;
plug.getValue(length);
plug = jointFn.findPlug("unParticleEmitterHeight");
float height = 0.0f;
if(!plug.isNull())
{
plug.getValue(height);
}
plug = jointFn.findPlug("unParticleBlendMode");
short blendMode;
plug.getValue(blendMode);
plug = jointFn.findPlug("unParticleTextureFilename");
MItDependencyGraph dgIt(plug, MFn::kFileTexture,
MItDependencyGraph::kUpstream,
MItDependencyGraph::kBreadthFirst,
MItDependencyGraph::kNodeLevel);
dgIt.disablePruningOnFilter();
MString textureName;
if (!dgIt.isDone())
{
MObject textureNode = dgIt.thisNode();
MPlug filenamePlug = MFnDependencyNode(textureNode).findPlug("fileTextureName");
filenamePlug.getValue(textureName);
}
else
{
char str[256];
sprintf(str,"%s particle system must has file-texture",newJoint.name.asChar());
MessageBox(0,str,0,0);
}
plug = jointFn.findPlug("unParticleTextureRows");
short rows;
plug.getValue(rows);
plug = jointFn.findPlug("unParticleTextureCols");
short cols;
plug.getValue(cols);
plug = jointFn.findPlug("unParticleTextureChangeStyle");
short changeStyle;
if(plug.isNull())
{
//0 - 顺序
//1 - 随机
changeStyle = 0;
}
else
{
plug.getValue(changeStyle);
}
plug = jointFn.findPlug("unParticleTextureChangeInterval");
short changeInterval;
if(plug.isNull())
{
//默认30ms换一个
changeInterval = 30;
}
else
{
plug.getValue(changeInterval);
}
plug = jointFn.findPlug("unParticleTailLength");
float tailLength;
plug.getValue(tailLength);
plug = jointFn.findPlug("unParticleTimeMiddle");
float timeMiddle;
plug.getValue(timeMiddle);
plug = jointFn.findPlug("unParticleColorStart");
MObject object;
plug.getValue(object);
MFnNumericData dataS(object);
float colorStart[3];
dataS.getData(colorStart[0],colorStart[1],colorStart[2]);
plug = jointFn.findPlug("unParticleColorMiddle");
plug.getValue(object);
MFnNumericData dataM(object);
float colorMiddle[3];
dataM.getData(colorMiddle[0],colorMiddle[1],colorMiddle[2]);
plug = jointFn.findPlug("unParticleColorEnd");
plug.getValue(object);
MFnNumericData dataE(object);
float colorEnd[3];
dataE.getData(colorEnd[0],colorEnd[1],colorEnd[2]);
plug = jointFn.findPlug("unParticleAlpha");
plug.getValue(object);
MFnNumericData dataAlpha(object);
float alpha[3];
dataAlpha.getData(alpha[0],alpha[1],alpha[2]);
//Scale
plug = jointFn.findPlug("unParticleScale");
plug.getValue(object);
MFnNumericData dataScale(object);
float scale[3];
dataScale.getData(scale[0],scale[1],scale[2]);
//ScaleVar
plug = jointFn.findPlug("unParticleScaleVar");
float scaleVar[3] = {0.0f,0.0f,0.0f};
if(!plug.isNull())
{
plug.getValue(object);
MFnNumericData dataScaleVar(object);
dataScaleVar.getData(scaleVar[0],scaleVar[1],scaleVar[2]);
}
//FixedSize
plug = jointFn.findPlug("unParticleFixedSize");
bool fixedSize = false;
if(!plug.isNull())
{
plug.getValue(fixedSize);
}
//HeadLifeSpan
plug = jointFn.findPlug("unParticleHeadLifeSpan");
plug.getValue(object);
MFnNumericData dataHeadLifeSpan(object);
short headLifeSpan[3];
dataHeadLifeSpan.getData(headLifeSpan[0],headLifeSpan[1],headLifeSpan[2]);
plug = jointFn.findPlug("unParticleHeadDecay");
plug.getValue(object);
MFnNumericData dataHeadDecay(object);
short headDecay[3];
dataHeadDecay.getData(headDecay[0],headDecay[1],headDecay[2]);
plug = jointFn.findPlug("unParticleTailLifeSpan");
plug.getValue(object);
MFnNumericData dataTailLifeSpan(object);
short tailLifeSpan[3];
dataTailLifeSpan.getData(tailLifeSpan[0],tailLifeSpan[1],tailLifeSpan[2]);
plug = jointFn.findPlug("unParticleTailDecay");
plug.getValue(object);
MFnNumericData dataTailDecay(object);
short tailDecay[3];
dataTailDecay.getData(tailDecay[0],tailDecay[1],tailDecay[2]);
plug = jointFn.findPlug("unParticleHead");
bool head;
plug.getValue(head);
plug = jointFn.findPlug("unParticleTail");
bool tail;
plug.getValue(tail);
plug = jointFn.findPlug("unParticleUnShaded");
bool unshaded;
plug.getValue(unshaded);
plug = jointFn.findPlug("unParticleUnFogged");
bool unfogged;
plug.getValue(unfogged);
plug = jointFn.findPlug("unParticleBlockByY0");
bool blockByY0 = false;
if(!plug.isNull())
plug.getValue(blockByY0);
newJoint.particle.visible = visible;
newJoint.particle.speed = speed;
newJoint.particle.variation = variation / 100.0f;
newJoint.particle.coneAngle = coneAngle;
newJoint.particle.gravity = gravity;
newJoint.particle.explosiveForce = explosiveForce;
newJoint.particle.life = life;
newJoint.particle.lifeVar = lifeVar;
newJoint.particle.emissionRate = emissionRate;
newJoint.particle.initialNum = initialNum;
newJoint.particle.limitNum = limitNum;
newJoint.particle.attachToEmitter = attachToEmitter;
newJoint.particle.moveWithEmitter = moveWithEmitter;
newJoint.particle.forTheSword = forTheSword;
newJoint.particle.forTheSwordInitialAngle = forTheSwordInitialAngle;
newJoint.particle.wander = wander;
newJoint.particle.wanderRadius = wanderRadius;
newJoint.particle.wanderSpeed = wanderSpeed;
newJoint.particle.aspectRatio = aspectRatio;
newJoint.particle.initialAngleBegin = angleBegin;
newJoint.particle.initialAngleEnd = angleEnd;
newJoint.particle.rotationSpeed = rotationSpeed;
newJoint.particle.rotationSpeedVar = rotationSpeedVar;
newJoint.particle.width = width;
newJoint.particle.length = length;
newJoint.particle.height = height;
newJoint.particle.blendMode = blendMode;
newJoint.particle.textureFilename = textureName.asChar();
newJoint.particle.textureRows = rows;
newJoint.particle.textureCols = cols;
newJoint.particle.changeStyle = changeStyle;
newJoint.particle.changeInterval = changeInterval;
newJoint.particle.tailLength = tailLength;
newJoint.particle.timeMiddle = timeMiddle;
newJoint.particle.colorStart[0] = colorStart[0];
newJoint.particle.colorStart[1] = colorStart[1];
newJoint.particle.colorStart[2] = colorStart[2];
newJoint.particle.colorMiddle[0] = colorMiddle[0];
newJoint.particle.colorMiddle[1] = colorMiddle[1];
newJoint.particle.colorMiddle[2] = colorMiddle[2];
newJoint.particle.colorEnd[0] = colorEnd[0];
newJoint.particle.colorEnd[1] = colorEnd[1];
newJoint.particle.colorEnd[2] = colorEnd[2];
newJoint.particle.alpha[0] = alpha[0];
newJoint.particle.alpha[1] = alpha[1];
newJoint.particle.alpha[2] = alpha[2];
newJoint.particle.scale[0] = scale[0];
newJoint.particle.scale[1] = scale[1];
newJoint.particle.scale[2] = scale[2];
newJoint.particle.scaleVar[0] = scaleVar[0];
newJoint.particle.scaleVar[1] = scaleVar[1];
newJoint.particle.scaleVar[2] = scaleVar[2];
newJoint.particle.fixedSize = fixedSize;
newJoint.particle.headLifeSpan[0] = headLifeSpan[0];
newJoint.particle.headLifeSpan[1] = headLifeSpan[1];
newJoint.particle.headLifeSpan[2] = headLifeSpan[2];
newJoint.particle.headDecay[0] = headDecay[0];
newJoint.particle.headDecay[1] = headDecay[1];
newJoint.particle.headDecay[2] = headDecay[2];
newJoint.particle.tailLifeSpan[0] = tailLifeSpan[0];
newJoint.particle.tailLifeSpan[1] = tailLifeSpan[1];
newJoint.particle.tailLifeSpan[2] = tailLifeSpan[2];
newJoint.particle.tailDecay[0] = tailDecay[0];
newJoint.particle.tailDecay[1] = tailDecay[1];
newJoint.particle.tailDecay[2] = tailDecay[2];
newJoint.particle.head = head;
newJoint.particle.tail = tail;
newJoint.particle.unshaded = unshaded;
newJoint.particle.unfogged = unfogged;
newJoint.particle.blockByY0 = blockByY0;
}
}
m_joints.push_back(newJoint);
// Get pointer to newly created joint
parentJoint = &newJoint;
}
// Load children joints
for (i=0; i<jointDag.childCount();i++)
{
MObject child;
child = jointDag.child(i);
MDagPath childDag = jointDag;
childDag.push(child);
loadJoint(childDag,parentJoint);
}
}
// Method for iterating over nodes in a dependency graph from top to bottom
MStatus OgreExporter::translateNode(MDagPath& dagPath)
{
if (m_params.exportAnimCurves)
{
MObject dagPathNode = dagPath.node();
MItDependencyGraph animIter( dagPathNode,
MFn::kAnimCurve,
MItDependencyGraph::kUpstream,
MItDependencyGraph::kDepthFirst,
MItDependencyGraph::kNodeLevel,
&stat );
if (stat)
{
for (; !animIter.isDone(); animIter.next())
{
MObject anim = animIter.thisNode(&stat);
MFnAnimCurve animFn(anim,&stat);
std::cout << "Found animation curve: " << animFn.name().asChar() << "\n";
std::cout << "Translating animation curve: " << animFn.name().asChar() << "...\n";
std::cout.flush();
stat = writeAnim(animFn);
if (MS::kSuccess == stat)
{
std::cout << "OK\n";
std::cout.flush();
}
else
{
std::cout << "Error, Aborting operation\n";
std::cout.flush();
return MS::kFailure;
}
}
}
}
if (dagPath.hasFn(MFn::kMesh)&&(m_params.exportMesh||m_params.exportMaterial||m_params.exportSkeleton)
&& (dagPath.childCount() == 0))
{ // we have found a mesh shape node, it can't have any children, and it contains
// all the mesh geometry data
MDagPath meshDag = dagPath;
MFnMesh meshFn(meshDag);
if (!meshFn.isIntermediateObject())
{
std::cout << "Found mesh node: " << meshDag.fullPathName().asChar() << "\n";
std::cout << "Loading mesh node " << meshDag.fullPathName().asChar() << "...\n";
std::cout.flush();
stat = m_pMesh->load(meshDag,m_params);
if (MS::kSuccess == stat)
{
std::cout << "OK\n";
std::cout.flush();
}
else
{
std::cout << "Error, mesh skipped\n";
std::cout.flush();
}
}
}
else if (dagPath.hasFn(MFn::kCamera)&&(m_params.exportCameras) && (!dagPath.hasFn(MFn::kShape)))
{ // we have found a camera shape node, it can't have any children, and it contains
// all information about the camera
MFnCamera cameraFn(dagPath);
if (!cameraFn.isIntermediateObject())
{
std::cout << "Found camera node: "<< dagPath.fullPathName().asChar() << "\n";
std::cout << "Translating camera node: "<< dagPath.fullPathName().asChar() << "...\n";
std::cout.flush();
stat = writeCamera(cameraFn);
if (MS::kSuccess == stat)
{
std::cout << "OK\n";
std::cout.flush();
}
else
{
std::cout << "Error, Aborting operation\n";
std::cout.flush();
return MS::kFailure;
}
}
}
else if ( ( dagPath.apiType() == MFn::kParticle ) && m_params.exportParticles )
{ // we have found a set of particles
MFnDagNode fnNode(dagPath);
if (!fnNode.isIntermediateObject())
{
std::cout << "Found particles node: "<< dagPath.fullPathName().asChar() << "\n";
std::cout << "Translating particles node: "<< dagPath.fullPathName().asChar() << "...\n";
std::cout.flush();
Particles particles;
particles.load(dagPath,m_params);
stat = particles.writeToXML(m_params);
if (MS::kSuccess == stat)
{
std::cout << "OK\n";
std::cout.flush();
}
else
{
std::cout << "Error, Aborting operation\n";
std::cout.flush();
return MS::kFailure;
}
}
}
// look for meshes and cameras within the node's children
for (uint i=0; i<dagPath.childCount(); i++)
{
MObject child = dagPath.child(i);
MDagPath childPath = dagPath;
stat = childPath.push(child);
if (MS::kSuccess != stat)
{
std::cout << "Error retrieving path to child " << i << " of: " << dagPath.fullPathName().asChar();
std::cout.flush();
return MS::kFailure;
}
stat = translateNode(childPath);
if (MS::kSuccess != stat)
return MS::kFailure;
}
return MS::kSuccess;
}