void PivotSnap::Snap(Object* pobj, IPoint2 *p, TimeValue t)
{
// This snap computes the bounding box points of a node as
// well as the pivot point
//local copy of the cursor position
Point2 fp = Point2((float)p->x, (float)p->y);
//In this snap mode we actually need to get a pointer to the node so that we
// can check for WSM's and compute the pivot point
INode *inode = theman->GetNode();
Matrix3 atm(1); //This will hold the nodes tm before WSMs
//See if this guys has any spacewarps applied
BOOL wsm = (BOOL) inode->GetProperty(PROPID_HAS_WSM);
//If it does then we'll need to get a meaningful tm as follows
if(wsm)
atm = inode->GetObjTMBeforeWSM(t);
//get the node's bounding box
Box3 box;
box.Init();
pobj->GetDeformBBox(t, box, NULL );
if(EssentiallyEmpty(box))
pobj->GetLocalBoundBox(t, inode, theman->GetVpt() , box);
//We need a hitmesh which shows the bounding box of the node
//This automatic variable gets passed to the hitmesh copy constructor
// in every case
HitMesh thehitmesh, *phitmesh;
thehitmesh.setNumVerts(8);
for(int jj = 0;jj<8;++jj)
thehitmesh.setVert(jj,box[jj]);
BOOL got_one= FALSE;
//Compute all the hit point candidates
if( GetActive(PIV_SUB))
{
got_one = FALSE;
Point3 *pivpt;
//JH 10/02/01
//DID 296059
Matrix3 tm(1);
Point3 pos = inode->GetObjOffsetPos();
tm.PreTranslate(pos);
Quat quat = inode->GetObjOffsetRot();
PreRotateMatrix(tm, quat);
ScaleValue scale = inode->GetObjOffsetScale();
ApplyScaling(tm, scale);
Matrix3 InvTm = Inverse(tm);
//JH 10/02/01
//atm contains the identity normally, or the node TM before spacewarps, when space warps are applied
//We're computing a point relative to the node TM, so in the former case the inverse of
//the object offset pos is what we want. In the latter (when the node TM is identtity, we must add
//in the node TM before WSM.
pivpt = new Point3(atm.GetTrans() + InvTm.GetTrans());
//Make a hitmesh
phitmesh = new HitMesh(thehitmesh);
//now register a hit with the osnap manager
theman->RecordHit(new OsnapHit(*pivpt, this, PIV_SUB, phitmesh));
}
if( GetActive(BBOX_SUB))
{
//set up our highlight mesh
for(int ii = 0;ii<8;++ii)
{
phitmesh = new HitMesh(thehitmesh);
theman->RecordHit(new OsnapHit(box[ii], this, BBOX_SUB, phitmesh));
}
}
};
void PatchDeformPW::ModifyObject(TimeValue t, ModContext &mc, ObjectState * os, INode *incnode)
{
Interval iv = FOREVER;
//TODO: Add the code for actually modifying the object
//check is local data if not create it
if (mc.localData == NULL)
{
LocalPatchData *localData = new LocalPatchData();
mc.localData = localData;
}
LocalPatchData *localData = (LocalPatchData *)mc.localData;
if (localData == NULL ) return;
if (localData->selfNode == NULL)
{
localData->selfNode = GetNodeFromModContext(localData);
}
//check if patch count has changed if so update our uv space
//if rebuild then
INode *node = NULL;
pblock->GetValue(pb_patch,t,node,iv);
if (node == NULL)
{
os->obj->UpdateValidity(GEOM_CHAN_NUM,iv);
return;
}
ObjectState patchos = node->EvalWorldState(t);
if ((patchos.obj) && (localData->selfNode))
{
iv &= patchos.obj->ObjectValidity(t);
Matrix3 patchTM = node->GetObjTMBeforeWSM(t, &iv);
Matrix3 baseTM = localData->selfNode->GetObjTMBeforeWSM(t, &iv);
PatchObject *patchObj = (PatchObject *) patchos.obj;
PatchMesh *patch = &patchObj->patch;
BOOL patchValid = TRUE;
for (int i =0; i < patch->numPatches; i++)
{
if (patch->patches[i].type != PATCH_QUAD)
{
patchValid = FALSE;
}
}
if ((!patchValid) && (ip))
{
TSTR name;
name.printf(GetString(IDS_ERROR_TRIPATCH));
SetWindowText(GetDlgItem(hWnd,IDC_STATUS),name);
}
if ((patch->numPatches > 0) && patchValid)
{
if ( (patch->numPatches != localData->numPatches) || (localData->resample))
{
//rebuild the param data
BuildParamData(os->obj,localData,patch,patchTM,baseTM);
}
localData->resample= FALSE;
//setup deformer
PatchDeformer deformer(localData,patch,baseTM,patchTM);
os->obj->Deform(&deformer, TRUE);
}
}
os->obj->UpdateValidity(GEOM_CHAN_NUM,iv);
}
/**
* This method will be called from the max system when the user
* has choosen to export to the OpenSceneGraph format.
* This method is the entry point to the exporter plugin.
*/
int OSGExp::DoExport(const TCHAR *name, ExpInterface *ei,
Interface *i, BOOL suppressPrompts, DWORD MAXOptions){
// Only support "one at the time" exporting.
if(isExporting){
return FALSE;
}
isExporting = TRUE;
// Grab the interface pointer and save it for later use.
_ip = i;
// Set export path in options class
TCHAR p[300];
TCHAR f[100];
TCHAR e[10];
BMMSplitFilename(name, p, f, e);
_options->setExportPath(p);
_options->setExportFilename(f);
_options->setExportExtension(e);
// Get filename to config file.
TSTR cfgfilename = _ip->GetDir(APP_PLUGCFG_DIR);;
cfgfilename += _T("\\OSGEXP.CFG");
// Load options from config file
_options->load(cfgfilename);
// Should we only export selected nodes?
_onlyExportSelected = (MAXOptions & SCENE_EXPORT_SELECTED) ? TRUE : FALSE;
// Show option dialog to user and retrive any possible plugin choices.
if(!suppressPrompts)
if(!DialogBoxParam(hInstance, MAKEINTRESOURCE(IDD_EXPORTBOX),
GetActiveWindow(), OptionsDlgProc,
(LPARAM)_options)){
// If user closed or canceled export box then shutdown plugin.
isExporting = FALSE;
return TRUE;
}
// Write options to config file.
_options->write(cfgfilename);
// Create OSG root transform to hold the scene.
{
osg::ref_ptr<osg::MatrixTransform> rootTransform = new osg::MatrixTransform();
//osg::MatrixTransform* rootTransform = new osg::MatrixTransform();
rootTransform->setName(std::string(_ip->GetRootNode()->GetName()));
// Set static datavariance for better performance
rootTransform->setDataVariance(osg::Object::STATIC);
// Set NodeMask
if(_options->getUseDefaultNodeMaskValue())
rootTransform->setNodeMask(_options->getDefaultNodeMaskValue());
osg::Matrix rootMat = getNodeTransform(_ip->GetRootNode(), _ip->GetTime());
rootTransform->setMatrix(rootMat);
// Create root stateset for the lights.
osg::ref_ptr<osg::StateSet> rootStateSet = new osg::StateSet();
// Turn of lighting if set by the user.
if(_options->getTurnOffLighting())
rootStateSet->setMode(GL_LIGHTING,osg::StateAttribute::OVERRIDE|osg::StateAttribute::OFF);
else
rootStateSet->setMode(GL_LIGHTING,osg::StateAttribute::ON);
//osg::StateSet* rootStateSet = new osg::StateSet();
rootTransform->setStateSet(rootStateSet.get());
// We will make two progress bars. The first one will show
// the exporting of materials, wheras the second one will show
// the exporting of nodes. To get the total number of nodes in the
// scene graph we will accumulate the total node count while
// preprocessing the scenegraph for materials.
_nTotalNodeCount = 0;
_nCurNode = 0;
_nTotalMtlCount = _ip->GetSceneMtls()->Count();
_nCurMtl = 0;
// Starting up the material exporting progress bar.
_ip->ProgressStart(_T("Exporting materials..."), TRUE, fn, NULL);
// Export materials by preprocessing the scenegraph.
if(!preProcess(_ip->GetRootNode(), _ip->GetTime())){
// If user cancels we stop progress bar and return.
_ip->ProgressEnd();
isExporting = FALSE;
return TRUE;
}
// We're done exporting materials. Finish the progress bar.
_ip->ProgressEnd();
// Starting up the node exporting progress bar.
_ip->ProgressStart(_T("Exporting scene..."), TRUE, fn, NULL);
// Get number of children for the root node in the interface.
int numChildren = _ip->GetRootNode()->NumberOfChildren();
// Call our node enumerator.
// The nodeEnum function will recurse into itself and
// export each object found in the scene.
for (int idx=0; idx<numChildren; idx++) {
if (_ip->GetCancel() || !nodeEnum(rootTransform.get(), _ip->GetRootNode()->GetChildNode(idx), rootTransform.get())){
// If user cancels we stop progress bar and return
_ip->ProgressEnd();
isExporting = FALSE;
return TRUE;
}
}
// Finish exporting progress bar
_ip->ProgressEnd();
// If optimize scene graph
unsigned int optimizeMask = 0;
if(_options->getTriStripGeometry())
optimizeMask |= osgUtil::Optimizer::TRISTRIP_GEOMETRY;
if(_options->getMergeGeometry())
optimizeMask |= osgUtil::Optimizer::MERGE_GEOMETRY;
if(_options->getFlattenStaticTransform())
optimizeMask |= osgUtil::Optimizer::FLATTEN_STATIC_TRANSFORMS;
if(_options->getShareDuplicateStates())
optimizeMask |= osgUtil::Optimizer::SHARE_DUPLICATE_STATE;
if(_options->getSpatializeGroups())
optimizeMask |= osgUtil::Optimizer::SPATIALIZE_GROUPS;
if(optimizeMask){
_ip->ProgressStart(_T("Optimizing scenegraph..."), FALSE, fn, NULL);
_ip->ProgressUpdate(0.5f);
osgUtil::Optimizer optimizer;
optimizer.optimize(rootTransform.get(), optimizeMask);
_ip->ProgressEnd();
}
// Save file to disk.
if(_options->getSaveFile()){
_ip->ProgressStart(_T("Writing file..."), FALSE, fn, NULL);
_ip->ProgressUpdate(0.5f);
if(_options->getExportExtension().compare(".osg")==0 ||
_options->getExportExtension().compare(".OSG")==0 ||
_options->getExportExtension().compare(".ive")==0 ||
_options->getExportExtension().compare(".IVE")==0 ){
std::string filename(name);
// Exclude image data from ive file if this options has been choosen
if(!_options->getIncludeImageDataInIveFile()){
osgDB::ReaderWriter::Options* opt = new osgDB::ReaderWriter::Options("noTexturesInIVEFile");
osgDB::Registry::instance()->setOptions(opt);
}
#if defined(OPENSCENEGRAPH_MAJOR_VERSION) && OPENSCENEGRAPH_MAJOR_VERSION >= 2 && defined(OPENSCENEGRAPH_MINOR_VERSION) && OPENSCENEGRAPH_MINOR_VERSION >= 4
osgDB::ReaderWriter::WriteResult res =
osgDB::Registry::instance()->writeNode(*rootTransform, filename, NULL);
#else
osgDB::ReaderWriter::WriteResult res =
osgDB::Registry::instance()->writeNode(*rootTransform, filename);
#endif
if(res.error() && _options->getShowErrMsg()){
static TCHAR szBuffer[256];
wsprintf(szBuffer,TEXT("Error writing file %s:\n%s"),
TEXT(filename.c_str()),res.message());
MessageBox (GetActiveWindow(), szBuffer, TEXT("Warning"),
MB_OK | MB_ICONWARNING) ;
}
if(!_options->getIncludeImageDataInIveFile()){
// Turn readerwriter options off again.
osgDB::ReaderWriter::Options* opt = new osgDB::ReaderWriter::Options();
osgDB::Registry::instance()->setOptions(opt);
}
}
else{
if(_options->getShowErrMsg()){
std::string error("Can not find plugin to save file: ");
error.append(name);
MessageBox (GetActiveWindow(), error.c_str() , TEXT("Warning"), MB_OK | MB_ICONWARNING) ;
}
}
_ip->ProgressEnd();
}
// Show quick preview
if(_options->getQuickView()){
float fNear = 1.0f;
float fFar = 1000.0f;
// Get the active viewport and the win32 window within it.
// The position and size will be retreive from this.
ViewExp* viewExp = _ip->GetActiveViewport();
float fov = viewExp->GetFOV();
HWND hWnd = viewExp->getGW()->getHWnd();
RECT sRect;
BOOL ok = GetWindowRect(hWnd, &sRect);
int width = 100;
int height = 100;
int x =100;
int y =100;
if(ok){
x = sRect.left;
y = sRect.top;
width = sRect.right - sRect.left;
height = sRect.bottom - sRect.top;
}
// Create previewer window and set size.
Previewer previewer;
previewer.setWindowSize(x, y, width, height);
// The affine TM transforms from world coords to view coords
// so we need the inverse of this matrix
Matrix3 aTM, camTM, coordSysTM;
Point3 viewDir, viewPos, lookAtPos, upVector;
INode* camera;
float dist = 100;
Point3 upperLeft = viewExp->MapScreenToView(IPoint2(0, 0), fFar);
Point3 lowerRight = viewExp->MapScreenToView(IPoint2(width, height), fFar);
viewExp->GetAffineTM(aTM);
coordSysTM = Inverse(aTM);
viewDir = coordSysTM.VectorTransform(Point3(0.0f, 0.0f, -1.0f));
viewPos = coordSysTM.GetRow(3);
lookAtPos = viewPos + viewDir;
upVector.Set(0.0f, 0.0f, 1.0f);
switch(viewExp->GetViewType()){
case VIEW_ISO_USER:
case VIEW_PERSP_USER:
previewer.setProjectionMatrixAsFrustum(lowerRight.x, upperLeft.x, upperLeft.y, lowerRight.y, fFar, -fFar);
break;
case VIEW_CAMERA:
previewer.setProjectionMatrixAsFrustum(upperLeft.x, lowerRight.x, lowerRight.y, upperLeft.y, fFar, -fFar);
camera = viewExp->GetViewCamera();
camTM = camera->GetObjTMBeforeWSM(_ip->GetTime());
viewDir = camTM.VectorTransform(Point3(0.0f, 0.0f, -1.0f));
viewPos = camTM.GetRow(3);
lookAtPos = viewPos + viewDir;
break;
case VIEW_LEFT:
case VIEW_RIGHT:
case VIEW_TOP:
case VIEW_BOTTOM:
case VIEW_FRONT:
case VIEW_BACK:
previewer.setProjectionMatrixAsOrtho(upperLeft.x, lowerRight.x, lowerRight.y, upperLeft.y, -fFar, fFar);
//cam->setOrtho(upperLeft.x, lowerRight.x, lowerRight.y, upperLeft.y, -fFar, fFar);
// Go far away from the viewing point in the negative viewing direction.
viewPos = coordSysTM.PointTransform(Point3(0.0f, 0.0f, fFar));
lookAtPos = viewPos + viewDir;
// In top view the up vector on the camera is the positive y-axis.
if(viewExp->GetViewType() == VIEW_TOP)
upVector.Set(0.0f, 1.0f, 0.0f);
// In bottom view the up vector on the camera is the negative y-axis.
if(viewExp->GetViewType() == VIEW_BOTTOM)
upVector.Set(0.0f, -1.0f, 0.0f);
break;
}
// When we are done with the viewport we should release it.
_ip->ReleaseViewport(viewExp);
// Set scene data.
previewer.setSceneData(rootTransform.get());
// set the view - OpenGL look at
previewer.setViewMatrixAsLookAt(osg::Vec3( viewPos.x, viewPos.y, viewPos.z),
osg::Vec3(lookAtPos.x, lookAtPos.y, lookAtPos.z),
osg::Vec3(upVector.x, upVector.y, upVector.z) );
previewer.run();
isExporting = FALSE;
return TRUE;
}
}
isExporting = FALSE;
return TRUE;
}
/**
* @brief
* Constructor
*/
PLSceneNode::PLSceneNode(PLSceneContainer *pContainer, IGameNode *pIGameNode, const String &sName, EType nType, const String &sClassName) :
m_pContainer(pContainer),
m_pIGameNode(pIGameNode),
m_sName(sName),
m_nType(nType),
m_sClassName(sClassName),
m_sFlags(""),
m_vPos(0.0f, 0.0f, 0.0f),
m_vRot(0.0f, 0.0f, 0.0f),
m_vScale(1.0f, 1.0f, 1.0f),
m_nIsRotationFlipped(-1)
{
// Check some universal flags
INode *pMaxNode = GetMaxNode();
if (pMaxNode) { // If this is not a container...
TSTR sString;
// Check whether the default PixelLight class is changed
if (pMaxNode->GetUserPropString(_T("Class"), sString)) {
m_sClassName = sString;
// Erase all '"'
int i = m_sClassName.IndexOf("\"");
while (i >= 0) {
m_sClassName.Delete(i, 1);
i = m_sClassName.IndexOf("\"");
}
}
// Is this 3ds Max node frozen?
if (pMaxNode->IsFrozen())
AddFlag("Frozen");
// Is this 3ds Max node invisible?
if (pMaxNode->IsHidden() || !pMaxNode->Renderable())
AddFlag("Invisible");
// Is this 3ds Max node excluded from lighting?
INodeGIProperties *pINodeGIProperties = static_cast<INodeGIProperties*>(pMaxNode->GetInterface(NODEGIPROPERTIES_INTERFACE));
if (pINodeGIProperties && pINodeGIProperties->GIGetIsExcluded())
AddFlag("NoLighting");
{ // Get the world space bounding box of the scene node. Because this is not 'trival' we're using
// the sample code from "3dsMaxSDK.chm" (3ds Max SDK) -> "The Pipeline and the INode TM Methods"
// to get it working correctly.
::Object *pMaxObject = pMaxNode->GetObjectRef();
if (pMaxObject) {
TimeValue t = 0;
Matrix3 mat; // The Object TM
// Determine if the object is in world space or object space
// so we can get the correct TM. We can check this by getting
// the Object TM after the world space modifiers have been
// applied. It the matrix returned is the identity matrix the
// points of the object have been transformed into world space.
if (pMaxNode->GetObjTMAfterWSM(t).IsIdentity()) {
// It's in world space, so put it back into object
// space. We can do this by computing the inverse
// of the matrix returned before any world space
// modifiers were applied.
mat = Inverse(pMaxNode->GetObjTMBeforeWSM(t));
} else {
// It's in object space, get the Object TM
mat = pMaxNode->GetObjectTM(t);
}
// Get the bound box, and affect it by just the scaling portion
pMaxObject->GetDeformBBox(t, m_cBoundingBox, &mat);
}
}
// We really need to flip the coordinates to OpenGL style
m_cBoundingBox.pmin = PLTools::Convert3dsMaxVectorToOpenGLVector(m_cBoundingBox.pmin);
m_cBoundingBox.pmax = PLTools::Convert3dsMaxVectorToOpenGLVector(m_cBoundingBox.pmax);
// Validate minimum/maximum - I already had situations with incorrect values causing problems!
PLTools::ValidateMinimumMaximum(m_cBoundingBox);
}
// Get the position, rotation and scale
GetPosRotScale(m_vPos, m_vRot, m_vScale);
}
