vector<KeyFrame>
ModelLoaderMD2::loadKeyFrames(const FileName &fileName,
const FileName &skinName,
TextureFactory &textureFactory) const {
FILE *stream=0;
// fopen_s(&stream, fileName.c_str(), "rb");
stream = fopen(fileName.c_str(), "rb");
VERIFY(stream && !ferror(stream), "MD2 failed to open: "+fileName.str());
Header header = readHeader(stream);
Skin *skins = readSkins(stream, header);
TexCoord *texCoords = readTexCoords(stream, header);
Triangle *triangles = readTriangles(stream, header);
Frame *frames = readFrames(stream, header);
fclose(stream);
Material skin;
if (header.numOfSkins>0) {
skin.setTexture(textureFactory.load(FileName((const char*)skins[0].name)));
} else {
skin.setTexture(textureFactory.load(skinName));
}
vector<KeyFrame> keyFrames = buildKeyFrames(fileName,
skin,
header,
texCoords,
triangles,
frames);
delete [] skins;
delete [] texCoords;
delete [] triangles;
delete [] frames;
return keyFrames;
}
static void readTrimesh(const uint8_t* ptr, a3dsObjectDataT* obj) {
chunkT* chunk = (chunkT*)ptr;
ptr = chunk->data;
assert(chunk->id == 0x4100);
assert(obj->mesh == NULL);
obj->mesh = calloc(1, sizeof(a3dsMeshDataT));
obj->mesh->num_verts = (-1);
void* chunk_end = (uint8_t*)chunk + chunk->length;
while (ptr < chunk_end) {
chunk = (chunkT*)ptr;
if (chunk->id == 0x4110) readVertCoords(ptr, obj->mesh);
else if (chunk->id == 0x4120) readTriIndices(ptr, obj->mesh);
else if (chunk->id == 0x4140) readTexCoords (ptr, obj->mesh);
ptr = (uint8_t*)chunk + chunk->length;
}
}
CModelFile* CModelReader::read()
{
atUint32 magic = base::readUint32();
if (magic != 0xDEADBABE)
{
Athena::io::MemoryWriter tmp;
decompressFile(tmp, base::data(), base::length());
if (tmp.length() > 0x10)
base::setData(tmp.data(), tmp.length());
magic = base::readUint32();
}
if (magic != 0xDEADBABE /*&& magic != 0x9381000A*/)
THROW_INVALID_DATA_EXCEPTION("Not a valid CMDL magic, expected 0xDEADBABE got 0x%.8X\n", magic);
atUint32 version;
if (magic != 0x9381000A)
version = base::readUint32();
else
version = CModelFile::DKCR;
if (!(version >= CModelFile::MetroidPrime1 && version <= CModelFile::DKCR))
THROW_INVALID_DATA_EXCEPTION("Only Metroid Prime 1 to 3 models are supported got v%i\n", version);
try
{
m_result = new CModelFile;
m_result->m_version = (CModelFile::Version)version;
m_result->m_flags = base::readUint32();
m_result->m_boundingBox.min.x = base::readFloat();
m_result->m_boundingBox.min.y = base::readFloat();
m_result->m_boundingBox.min.z = base::readFloat();
m_result->m_boundingBox.max.x = base::readFloat();
m_result->m_boundingBox.max.y = base::readFloat();
m_result->m_boundingBox.max.z = base::readFloat();
atUint32 sectionCount = base::readUint32();
atInt32 materialCount = base::readInt32();
m_sectionSizes.resize(sectionCount);
if (m_result->m_flags & 0x10)
{
base::readUint32();
atUint32 visGroupCount = base::readUint32();
while((visGroupCount--) > 0)
{
atUint32 len = base::readUint32();
base::readString(len);
}
base::readUint32();
base::readUint32();
base::readUint32();
base::readUint32();
base::readUint32();
}
m_result->m_materialSets.resize(materialCount);
for (atUint32 i = 0; i < sectionCount; i++)
m_sectionSizes[i] = base::readUint32();
base::seekAlign32();
const atUint32 sectionBias = ((m_result->m_version == CModelFile::DKCR || m_result->m_version == CModelFile::MetroidPrime3)
? 1 : materialCount);
Athena::io::MemoryReader sectionReader(new atUint8[2], 2);
sectionReader.setEndian(endian());
for (atUint32 i = 0; i < sectionCount; i++)
{
if (m_sectionSizes[i] == 0)
continue;
if (materialCount > 0)
{
if (m_result->m_version != CModelFile::DKCR && m_result->m_version != CModelFile::MetroidPrime3)
{
atUint8* data = base::readUBytes(m_sectionSizes[i]);
CMaterialReader reader(data, m_sectionSizes[i]);
CMaterialSet materialSet;
switch(m_result->m_version)
{
case CModelFile::MetroidPrime1:
materialSet = reader.read(CMaterial::MetroidPrime1);
break;
case CModelFile::MetroidPrime2:
materialSet = reader.read(CMaterial::MetroidPrime2);
break;
default:
break;
}
m_result->m_materialSets[i] = materialSet;
materialCount--;
continue;
}
else
{
atUint8* data = base::readUBytes(m_sectionSizes[i]);
CMaterialReader reader(data, m_sectionSizes[i]);
atUint32 setIdx = 0;
while ((materialCount--) > 0)
{
CMaterialSet& materialSet = m_result->m_materialSets[setIdx];
switch(m_result->m_version)
{
case CModelFile::MetroidPrime3:
materialSet = reader.read(CMaterial::MetroidPrime3);
break;
case CModelFile::DKCR:
materialSet = reader.read(CMaterial::DKCR);
default:
break;
}
setIdx++;
}
continue;
}
}
else
{
SectionType section = (SectionType)(i - sectionBias);
atUint8* data = base::readUBytes(m_sectionSizes[i]);
sectionReader.setData(data, m_sectionSizes[i]);
switch(section)
{
case SectionType::Vertices:
{
if (m_result->m_flags & 0x20)
readVertices(sectionReader, true);
else
readVertices(sectionReader);
}
break;
case SectionType::Normals:
readNormals(sectionReader);
break;
case SectionType::Colors:
readColors(sectionReader);
break;
case SectionType::TexCoord0:
readTexCoords(0, sectionReader);
break;
case SectionType::TexCoord1orMeshOffsets:
{
if (m_result->m_flags & EFormatFlags::TexCoord1 || m_result->m_version == CModelFile::DKCR)
readTexCoords(1, sectionReader);
else
readMeshOffsets(sectionReader);
break;
}
case SectionType::MeshInfo:
{
if (m_meshOffsets.size() == 0)
{
readMeshOffsets(sectionReader);
break;
}
}
default:
if ((i - sectionBias) >= 5)
readMesh(sectionReader);
break;
}
}
}
}
catch(...)
{
delete m_result;
m_result = nullptr;
throw;
}
return m_result;
}
