// ------------------------------------------------------------------------------------------------
aiMatrix4x4 ReadMatrix(const Element& element)
{
std::vector<float> values;
ParseVectorDataArray(values,element);
if(values.size() != 16) {
ParseError("expected 16 matrix elements");
}
aiMatrix4x4 result;
result.a1 = values[0];
result.a2 = values[1];
result.a3 = values[2];
result.a4 = values[3];
result.b1 = values[4];
result.b2 = values[5];
result.b3 = values[6];
result.b4 = values[7];
result.c1 = values[8];
result.c2 = values[9];
result.c3 = values[10];
result.c4 = values[11];
result.d1 = values[12];
result.d2 = values[13];
result.d3 = values[14];
result.d4 = values[15];
result.Transpose();
return result;
}
void ResolveVertexDataArray(std::vector<T>& data_out, const Scope& source,
const std::string& MappingInformationType,
const std::string& ReferenceInformationType,
const char* dataElementName,
const char* indexDataElementName,
size_t vertex_count,
const std::vector<unsigned int>& mapping_counts,
const std::vector<unsigned int>& mapping_offsets,
const std::vector<unsigned int>& mappings)
{
std::vector<T> tempUV;
ParseVectorDataArray(tempUV,GetRequiredElement(source,dataElementName));
// handle permutations of Mapping and Reference type - it would be nice to
// deal with this more elegantly and with less redundancy, but right
// now it seems unavoidable.
if (MappingInformationType == "ByVertice" && ReferenceInformationType == "Direct") {
data_out.resize(vertex_count);
for (size_t i = 0, e = tempUV.size(); i < e; ++i) {
const unsigned int istart = mapping_offsets[i], iend = istart + mapping_counts[i];
for (unsigned int j = istart; j < iend; ++j) {
data_out[mappings[j]] = tempUV[i];
}
}
}
else if (MappingInformationType == "ByVertice" && ReferenceInformationType == "IndexToDirect") {
data_out.resize(vertex_count);
std::vector<int> uvIndices;
ParseVectorDataArray(uvIndices,GetRequiredElement(source,indexDataElementName));
for (size_t i = 0, e = uvIndices.size(); i < e; ++i) {
const unsigned int istart = mapping_offsets[i], iend = istart + mapping_counts[i];
for (unsigned int j = istart; j < iend; ++j) {
if(static_cast<size_t>(uvIndices[i]) >= tempUV.size()) {
DOMError("index out of range",&GetRequiredElement(source,indexDataElementName));
}
data_out[mappings[j]] = tempUV[uvIndices[i]];
}
}
}
else if (MappingInformationType == "ByPolygonVertex" && ReferenceInformationType == "Direct") {
if (tempUV.size() != vertex_count) {
FBXImporter::LogError(Formatter::format("length of input data unexpected for ByPolygon mapping: ")
<< tempUV.size() << ", expected " << vertex_count
);
return;
}
data_out.swap(tempUV);
}
else if (MappingInformationType == "ByPolygonVertex" && ReferenceInformationType == "IndexToDirect") {
data_out.resize(vertex_count);
std::vector<int> uvIndices;
ParseVectorDataArray(uvIndices,GetRequiredElement(source,indexDataElementName));
if (uvIndices.size() != vertex_count) {
FBXImporter::LogError("length of input data unexpected for ByPolygonVertex mapping");
return;
}
unsigned int next = 0;
BOOST_FOREACH(int i, uvIndices) {
if(static_cast<size_t>(i) >= tempUV.size()) {
DOMError("index out of range",&GetRequiredElement(source,indexDataElementName));
}
data_out[next++] = tempUV[i];
}
}
