void LoadMeshFromCollada(const char* relativeFileName, btAlignedObjectArray<GLInstanceGraphicsShape>& visualShapes, btAlignedObjectArray<ColladaGraphicsInstance>& visualShapeInstances, btTransform& upAxisTransform, float& unitMeterScaling, int clientUpAxis, struct CommonFileIOInterface* fileIO)
{
// GLInstanceGraphicsShape* instance = 0;
//usually COLLADA files don't have that many visual geometries/shapes
visualShapes.reserve(MAX_VISUAL_SHAPES);
float extraScaling = 1; //0.01;
btHashMap<btHashString, int> name2ShapeIndex;
char filename[1024];
if (!fileIO->findResourcePath(relativeFileName, filename, 1024))
{
b3Warning("File not found: %s\n", filename);
return;
}
XMLDocument doc;
//doc.Parse((const char*)filedata, 0, TIXML_ENCODING_UTF8);
b3AlignedObjectArray<char> xmlString;
int fileHandle = fileIO->fileOpen(filename,"r");
if (fileHandle>=0)
{
int size = fileIO->getFileSize(fileHandle);
xmlString.resize(size);
int actual = fileIO->fileRead(fileHandle, &xmlString[0],size);
if (actual==size)
{
}
}
if (xmlString.size()==0)
return;
if (doc.Parse(&xmlString[0], xmlString.size()) != XML_SUCCESS)
//if (doc.LoadFile(filename) != XML_SUCCESS)
return;
//We need units to be in meter, so apply a scaling using the asset/units meter
unitMeterScaling = 1;
upAxisTransform.setIdentity();
//Also we can optionally compensate all transforms using the asset/up_axis as well as unit meter scaling
getUnitMeterScalingAndUpAxisTransform(doc, upAxisTransform, unitMeterScaling, clientUpAxis);
btMatrix4x4 ident;
ident.setIdentity();
readLibraryGeometries(doc, visualShapes, name2ShapeIndex, extraScaling);
readVisualSceneInstanceGeometries(doc, name2ShapeIndex, visualShapeInstances);
}
void readFloatArray(TiXmlElement* source, btAlignedObjectArray<float>& floatArray, int& componentStride)
{
int numVals, stride;
TiXmlElement* array = source->FirstChildElement("float_array");
if(array)
{
componentStride = 1;
if (source->FirstChildElement("technique_common")->FirstChildElement("accessor")->QueryIntAttribute("stride", &stride)!= TIXML_NO_ATTRIBUTE)
{
componentStride = stride;
}
array->QueryIntAttribute("count", &numVals);
TokenFloatArray adder(floatArray);
floatArray.reserve(numVals);
tokenize(array->GetText(),adder);
assert(floatArray.size() == numVals);
}
}
void LoadMeshFromCollada(const char* relativeFileName, btAlignedObjectArray<GLInstanceGraphicsShape>& visualShapes, btAlignedObjectArray<ColladaGraphicsInstance>& visualShapeInstances, btTransform& upAxisTransform, float& unitMeterScaling,int clientUpAxis)
{
GLInstanceGraphicsShape* instance = 0;
//usually COLLADA files don't have that many visual geometries/shapes
visualShapes.reserve(32);
float extraScaling = 1;//0.01;
btHashMap<btHashString, int> name2ShapeIndex;
b3FileUtils f;
char filename[1024];
if (!f.findFile(relativeFileName,filename,1024))
{
printf("File not found: %s\n", filename);
return;
}
TiXmlDocument doc(filename);
if (!doc.LoadFile())
return;
//We need units to be in meter, so apply a scaling using the asset/units meter
unitMeterScaling=1;
upAxisTransform.setIdentity();
//Also we can optionally compensate all transforms using the asset/up_axis as well as unit meter scaling
getUnitMeterScalingAndUpAxisTransform(doc, upAxisTransform, unitMeterScaling,clientUpAxis);
btMatrix4x4 ident;
ident.setIdentity();
readLibraryGeometries(doc, visualShapes, name2ShapeIndex, extraScaling);
readVisualSceneInstanceGeometries(doc, name2ShapeIndex, visualShapeInstances);
}