void
loadMeshes( const std::string& fn,
const CalCoreModel* calCoreModel,
MeshesVector& meshes )
throw (std::runtime_error)
{
FILE* f = fopen( fn.c_str(), "rb" );
if ( f == NULL )
{
throw std::runtime_error( "Can't open " + fn );
}
FileCloser closeOnExit( f );
// FileBuffer setReadBufferOfSize( f, 1*1024*1024 ); <- not so much difference
// -- Check version --
int version;
READ_I32( version );
if ( version != HW_MODEL_FILE_VERSION )
{
fclose( f );
throw std::runtime_error( "Incorrect file version " + fn + ". Try rerun osgCalPreparer." );
}
// -- Read mesh descriptions --
int meshesCount = 0;
READ_I32( meshesCount );
meshes.resize( meshesCount );
for ( int i = 0; i < meshesCount; i++ )
{
MeshData* m = new MeshData;
meshes[i] = m;
// -- Read name --
int nameBufSize;
READ_I32( nameBufSize );
if ( nameBufSize > 1024 )
{
throw std::runtime_error( "Too long mesh name (incorrect meshes.cache file?)." );
}
char name[ 1024 ];
READ_( m->name, name, nameBufSize );
m->name = std::string( &name[0], &name[ nameBufSize ] );
// -- Read material --
int coreMaterialThreadId;
READ_I32( coreMaterialThreadId );
m->coreMaterial = const_cast< CalCoreModel* >( calCoreModel )->
getCoreMaterial( coreMaterialThreadId );
// -- Read bone parameters --
READ_I32( m->rigid );
READ_I32( m->rigidBoneId );
READ_I32( m->maxBonesInfluence );
// -- Read bonesIndices --
int biSize = 0;
READ_I32( biSize );
m->bonesIndices.resize( biSize );
for ( int bi = 0; bi < biSize; bi++ )
{
READ_I32( m->bonesIndices[ bi ] );
}
// -- Read boundingBox --
assert( sizeof ( m->boundingBox ) == 6 * 4 ); // must be 6 floats
READ_STRUCT( m->boundingBox );
}
// -- Read meshes buffers --
while ( !feof( f ) )
{
readBuffer( meshes, f, fn );
}
}
int read_thrift(char *ptr, int len, ThriftMessage *tm)
{
int off;
int x;
int fieldId;
char fieldType;
memset(tm, 0, sizeof(*tm));
off = 0;
READ_I32(ptr, off, len, x);
// ASSERT version stuff
tm->messageType = x & 0xff;
READ_STRING(ptr, off, len, tm->name_len, tm->name_ptr);
READ_I32(ptr, off, len, tm->seqid);
while(1) {
READ_I8(ptr, off, len, fieldType);
if(fieldType == T_STOP)
break;
READ_I16(ptr, off, len, fieldId);
if(fieldId > MAX_FIELD_ID || fieldId < 0) {
printf("Ignoring field with out of range id, id = %d, max = %d",
MAX_FIELD_ID, fieldId);
fieldId = -1;
}
if(fieldId >= 0) {
tm->fields[fieldId].present = 1;
tm->fields[fieldId].fieldType = fieldType;
}
switch(fieldType) {
case T_STOP:
break;
case T_VOID:
continue;
case T_BOOL:
// case T_BYTE: would be a dupe
case T_I08:
CHECK_LEN(off, len, 1);
if(fieldId >= 0) {
tm->fields[fieldId].val_len = 1;
tm->fields[fieldId].val_ptr = ptr + off;
tm->fields[fieldId].val_val = (int) ptr[off];
}
off += 1;
break;
case T_I16:
CHECK_LEN(off, len, 2);
if(fieldId >= 0) {
short s;
tm->fields[fieldId].val_len = 2;
tm->fields[fieldId].val_ptr = ptr + off;
memcpy(&s, ptr + off, 2);
tm->fields[fieldId].val_val = (int) ntohs(s);
}
off += 2;
break;
case T_I32:
CHECK_LEN(off, len, 4);
if(fieldId >= 0) {
int i;
tm->fields[fieldId].val_len = 4;
tm->fields[fieldId].val_ptr = ptr + off;
memcpy(&i, ptr + off, 4);
tm->fields[fieldId].val_val = ntohl(i);
}
off += 4;
break;
case T_U64:
case T_I64:
case T_DOUBLE:
CHECK_LEN(off, len, 8);
if(fieldId >= 0) {
tm->fields[fieldId].val_len = 8;
tm->fields[fieldId].val_ptr = ptr + off;
}
off += 8;
break;
// Treat all of these as just length-delimited
case T_STRING:
// case T_UTF7: duplicate
case T_STRUCT:
case T_MAP:
case T_SET:
case T_LIST:
case T_UTF8:
case T_UTF16:
if(fieldId >= 0) {
READ_STRING(ptr, off, len, tm->fields[fieldId].val_len,
tm->fields[fieldId].val_ptr);
}
else
{
char *p_ign;
int l_ign;
READ_STRING(ptr, off, len, l_ign, p_ign);
}
break;
}
}
return off;
too_short:
return 0;
}
static
void
readBuffer( MeshesVector& meshes,
FILE* f,
const std::string& fn )
{
int32_t meshIndex;
// READ_I32( meshIndex );
if ( fread( &meshIndex, 4, 1, f ) != 1 )
{
if ( feof( f ) )
{
return; // no error, file ended
}
else
{
throw std::runtime_error( "Can't read meshIndex" + std::string(" from ") + fn );
}
}
MeshData* m = meshes[ meshIndex ].get();
int bufferType;
int bufferSize;
READ_I32( bufferType );
READ_I32( bufferSize );
#define CASE( _type, _name, _data_type ) \
case BT_##_type: \
m->_name = new _data_type( bufferSize ); \
READ( m->_name ); \
break
// printf( "reading %d mesh, buffer type = %d (0x%08X), buffer size = %d\n",
// meshIndex, bufferType, bufferType, bufferSize );
// fflush( stdout );
switch ( bufferType & BT_MASK )
{
case BT_INDEX:
switch ( bufferType & ET_MASK )
{
case ET_UBYTE:
m->indexBuffer = new osg::DrawElementsUByte( osg::PrimitiveSet::TRIANGLES, bufferSize );
break;
case ET_USHORT:
m->indexBuffer = new osg::DrawElementsUShort( osg::PrimitiveSet::TRIANGLES, bufferSize );
break;
case ET_UINT:
m->indexBuffer = new osg::DrawElementsUInt( osg::PrimitiveSet::TRIANGLES, bufferSize );
break;
default:
{
char err[ 1024 ];
sprintf( err, "Unknown index buffer element type %d (0x%08X)",
bufferType & ET_MASK, bufferType & ET_MASK );
throw std::runtime_error( err );
}
}
READ( m->indexBuffer );
break;
CASE( VERTEX, vertexBuffer, VertexBuffer );
CASE( WEIGHT, weightBuffer, WeightBuffer );
CASE( MATRIX_INDEX, matrixIndexBuffer, MatrixIndexBuffer );
CASE( NORMAL, normalBuffer, NormalBuffer );
CASE( TEX_COORD, texCoordBuffer, TexCoordBuffer );
CASE( TANGENT_AND_HANDEDNESS, tangentAndHandednessBuffer, TangentAndHandednessBuffer );
default:
{
char err[ 1024 ];
sprintf( err, "Unknown buffer type %d (0x%08X)", bufferType, bufferType );
throw std::runtime_error( err );
}
}
#undef CASE
}
