void SknImporter::readFile(const wchar_t* path)
{
ifstream inFile(path, ios::in | ios::binary);
if (!inFile.is_open())
{
throw lol2daeError("Unable to open input file.");
}
// Magic Number
inFile.read(reinterpret_cast<char*>(&magicNumber), 4);
if (!checkMagicNumber())
{
throw lol2daeError("Corrupted or invalid header in file.");
}
// Header Block
inFile.read(reinterpret_cast<char*>(&fileVersion), 2);
inFile.read(reinterpret_cast<char*>(&matHeader), 2);
if (fileVersion > 4)
{
throw lol2daeError("File version is not supported.");
}
if (!matHeader == 1)
{
throw lol2daeError("The file could not be parsed.");
}
if (fileVersion > 0)
{
inFile.read(reinterpret_cast<char*>(&numMaterials), 4);
// Material Block
for (int i = 0; i < numMaterials; ++i)
{
inFile.seekg(80, ios_base::cur);
}
}
if (fileVersion == 4)
{
inFile.seekg(4, ios_base::cur);
}
// Count Block
inFile.read(reinterpret_cast<char*>(&numIndices), 4);
inFile.read(reinterpret_cast<char*>(&numVertices), 4);
if (fileVersion == 4)
{
inFile.seekg(48, ios_base::cur);
}
// Index Block
indices.resize(numIndices);
for (int i = 0; i < numIndices; ++i)
{
inFile.read(reinterpret_cast<char*>(&indices.at(i)), 2);
}
// Vertex Block
vertices.resize(numVertices);
for (int i = 0; i < numVertices; ++i)
{
// Positions
inFile.read(reinterpret_cast<char*>(&vertices.at(i).position), 12);
// Bone IDs
inFile.read(reinterpret_cast<char*>(&vertices.at(i).boneIndices), 4);
// Weights
inFile.read(reinterpret_cast<char*>(&vertices.at(i).boneWeights), 16);
// Normals
inFile.read(reinterpret_cast<char*>(&vertices.at(i).normal), 12);
// UV Coordinates
inFile.read(reinterpret_cast<char*>(&vertices.at(i).u), 4);
inFile.read(reinterpret_cast<char*>(&vertices.at(i).v), 4);
vertices.at(i).v = 1.0f - vertices.at(i).v;
}
for (auto& i : vertices)
{
const float totalWeight = i.boneWeights[0] + i.boneWeights[1] + i.boneWeights[2] + i.boneWeights[3];
const float weightError = 1.0f - totalWeight;
if (weightError != 0.0f)
{
for (int j = 0; j < 4; ++j)
{
if (i.boneWeights[j] > 0.0f)
{
i.boneWeights[j] += (i.boneWeights[j] / totalWeight) * weightError;
}
}
}
}
inFile.close();
return;
}
TaskFileReader::TaskFileReader(const QString& path)
{
file = ::fopen(path.toUtf8().constData(), "rb");
diffEndian = checkMagicNumber(file);
}
