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nifmodel.cpp
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/***** BEGIN LICENSE BLOCK *****
BSD License
Copyright (c) 2005-2012, NIF File Format Library and Tools
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The name of the NIF File Format Library and Tools project may not be
used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
***** END LICENCE BLOCK *****/
#include "nifmodel.h"
#include "niftypes.h"
#include "options.h"
#include "config.h"
#include "spellbook.h"
#include <QByteArray>
#include <QColor>
#include <QDebug>
#include <QFile>
#include <QTime>
#include <QSettings>
#include <QtEndian>
//! \file nifmodel.cpp NifModel implementation, NifModelEval
NifModel::NifModel( QObject * parent ) : BaseModel( parent )
{
clear();
}
QString NifModel::version2string( quint32 v )
{
if ( v == 0 ) return QString();
QString s;
if ( v < 0x0303000D ) {
//This is an old-style 2-number version with one period
s = QString::number( ( v >> 24 ) & 0xff, 10 ) + "."
+ QString::number( ( v >> 16 ) & 0xff, 10 );
quint32 sub_num1 = ((v >> 8) & 0xff);
quint32 sub_num2 = (v & 0xff);
if ( sub_num1 > 0 || sub_num2 > 0 ) {
s = s + QString::number( sub_num1, 10 );
}
if ( sub_num2 > 0 ) {
s = s + QString::number( sub_num2, 10 );
}
} else {
//This is a new-style 4-number version with 3 periods
s = QString::number( ( v >> 24 ) & 0xff, 10 ) + "."
+ QString::number( ( v >> 16 ) & 0xff, 10 ) + "."
+ QString::number( ( v >> 8 ) & 0xff, 10 ) + "."
+ QString::number( v & 0xff, 10 );
}
return s;
}
quint32 NifModel::version2number( const QString & s )
{
if ( s.isEmpty() ) return 0;
if ( s.contains( "." ) )
{
QStringList l = s.split( "." );
quint32 v = 0;
if ( l.count() > 4 ) {
//Should probaby post a warning here or something. Version # has more than 3 dots in it.
return 0;
} else if ( l.count() == 2 ) {
//This is an old style version number. Take each digit following the first one at a time.
//The first one is the major version
v += l[0].toInt() << (3 * 8);
if ( l[1].size() >= 1 ) {
v += l[1].mid(0, 1).toInt() << (2 * 8);
}
if ( l[1].size() >= 2 ) {
v += l[1].mid(1, 1).toInt() << (1 * 8);
}
if ( l[1].size() >= 3 ) {
v += l[1].mid(2, -1).toInt();
}
return v;
} else {
//This is a new style version number with dots separating the digits
for ( int i = 0; i < 4 && i < l.count(); i++ ) {
v += l[i].toInt( 0, 10 ) << ( (3-i) * 8 );
}
return v;
}
} else {
bool ok;
quint32 i = s.toUInt( &ok );
return ( i == 0xffffffff ? 0 : i );
}
}
// Helper class for evaluating condition expressions
class NifModelEval
{
public:
const NifModel * model;
const NifItem * item;
NifModelEval(const NifModel * model, const NifItem * item) {
this->model = model;
this->item = item;
}
QVariant operator()(const QVariant &v) const {
if ( v.type() == QVariant::String ) {
QString left = v.toString();
NifItem * i = const_cast<NifItem*>(item);
i = model->getItem( i, left );
if (i) {
if ( i->value().isCount() )
return QVariant( i->value().toCount() );
else if ( i->value().isFileVersion() )
return QVariant( i->value().toFileVersion() );
}
return QVariant(0);
}
return v;
}
};
bool NifModel::evalVersion( NifItem * item, bool chkParents ) const
{
if ( item == root )
return true;
if ( chkParents && item->parent() )
if ( ! evalVersion( item->parent(), true ) )
return false;
if ( !item->evalVersion( version ) )
return false;
QString vercond = item->vercond();
if ( vercond.isEmpty() )
return true;
NifModelEval functor(this, getHeaderItem());
return item->verexpr().evaluateBool(functor);
}
void NifModel::clear()
{
folder = QString();
root->killChildren();
insertType( root, NifData( "NiHeader", "Header" ) );
insertType( root, NifData( "NiFooter", "Footer" ) );
version = version2number( Options::startupVersion() );
if( !isVersionSupported(version) ) {
msg( Message() << tr("Unsupported 'Startup Version' %1 specified, reverting to 20.0.0.5").arg( Options::startupVersion() ).toAscii() );
version = 0x14000005;
}
reset();
NifItem * item = getItem( getHeaderItem(), "Version" );
if ( item ) item->value().setFileVersion( version );
QString header_string;
if ( version <= 0x0A000100 ) {
header_string = "NetImmerse File Format, Version ";
} else {
header_string = "Gamebryo File Format, Version ";
}
header_string += version2string(version);
set<QString>( getHeaderItem(), "Header String", header_string );
if ( version == 0x14000005 ) {
//Just set this if version is 20.0.0.5 for now. Probably should be a separate option.
set<int>( getHeaderItem(), "User Version", 11 );
set<int>( getHeaderItem(), "User Version 2", 11 );
}
//set<int>( getHeaderItem(), "Unknown Int 3", 11 );
if ( version < 0x0303000D ) {
QVector<QString> copyright(3);
copyright[0] = "Numerical Design Limited, Chapel Hill, NC 27514";
copyright[1] = "Copyright (c) 1996-2000";
copyright[2] = "All Rights Reserved";
setArray<QString>( getHeader(), "Copyright", copyright );
}
lockUpdates = false;
needUpdates = utNone;
}
/*
* footer functions
*/
NifItem * NifModel::getFooterItem() const
{
return root->child( root->childCount() - 1 );
}
QModelIndex NifModel::getFooter() const
{
NifItem * footer = getFooterItem();
if ( footer )
return createIndex( footer->row(), 0, footer );
else
return QModelIndex();
}
void NifModel::updateFooter()
{
if (lockUpdates) {
needUpdates = UpdateType(needUpdates | utFooter);
return;
}
NifItem * footer = getFooterItem();
if ( ! footer ) return;
NifItem * roots = getItem( footer, "Roots" );
if ( ! roots ) return;
set<int>( footer, "Num Roots", rootLinks.count() );
updateArrayItem( roots, false );
for ( int r = 0; r < roots->childCount(); r++ )
roots->child( r )->value().setLink( rootLinks.value( r ) );
}
/*
* header functions
*/
QModelIndex NifModel::getHeader() const
{
QModelIndex header = index( 0, 0 );
return header;
}
NifItem * NifModel::getHeaderItem() const
{
return root->child( 0 );
}
void NifModel::updateHeader()
{
if (lockUpdates) {
needUpdates = UpdateType(needUpdates | utHeader);
return;
}
NifItem * header = getHeaderItem();
set<int>( header, "Num Blocks", getBlockCount() );
NifItem * idxBlockTypes = getItem( header, "Block Types" );
NifItem * idxBlockTypeIndices = getItem( header, "Block Type Index" );
NifItem * idxBlockSize = getItem( header, "Block Size" );
if ( idxBlockTypes && idxBlockTypeIndices )
{
QStringList blocktypes;
QList<int> blocktypeindices;
for ( int r = 1; r < root->childCount() - 1; r++ )
{
NifItem * block = root->child( r );
/*
if ( ! blocktypes.contains( block->name() ) )
blocktypes.append( block->name() );
blocktypeindices.append( blocktypes.indexOf( block->name() ) );
*/
// NiMesh hack
QString blockName = block->name();
#ifndef QT_NO_DEBUG
qWarning() << "Updating header with " << blockName;
#endif
if ( blockName == "NiDataStream" )
{
blockName = QString("NiDataStream\x01%1\x01%2").arg( block->child( "Usage" )->value().get<int>() ).arg( block->child( "Access" )->value().get<int>() );
#ifndef QT_NO_DEBUG
qWarning() << "Changing blockname to " << blockName;
#endif
}
if ( ! blocktypes.contains( blockName ) )
blocktypes.append( blockName );
blocktypeindices.append( blocktypes.indexOf( blockName ) );
if (version >= 0x14020000 && idxBlockSize )
updateArrays(block, false);
}
set<int>( header, "Num Block Types", blocktypes.count() );
// Setting fast update to true to workaround bug where deleting blocks
// causes a crash. This probably means anyone listening to updates
// for these two arrays will not work.
updateArrayItem( idxBlockTypes, false );
updateArrayItem( idxBlockTypeIndices, true );
if (version >= 0x14020000 && idxBlockSize ) {
updateArrayItem( idxBlockSize, false );
}
for ( int r = 0; r < idxBlockTypes->childCount(); r++ )
set<QString>( idxBlockTypes->child( r ), blocktypes.value( r ) );
for ( int r = 0; r < idxBlockTypeIndices->childCount(); r++ )
set<int>( idxBlockTypeIndices->child( r ), blocktypeindices.value( r ) );
// for version 20.2.0.? and above the block size is stored in the header
if (version >= 0x14020000 && idxBlockSize )
for ( int r = 0; r < idxBlockSize->childCount(); r++ )
set<quint32>( idxBlockSize->child( r ), blockSize( getBlockItem( r ) ) );
// For 20.1 and above strings are saved in the header. Max String Length must be updated.
if (version >= 0x14010003) {
int maxlen = 0;
int nstrings = get<uint>(header, "Num Strings");
QModelIndex iArray = getIndex( getHeader(), "Strings" );
if ( nstrings > 0 && iArray.isValid() ) {
for (int row=0; row<nstrings; ++row) {
int len = get<QString>( iArray.child(row,0) ).length();
if (len > maxlen)
maxlen = len;
}
}
set<uint>(header, "Max String Length", maxlen);
}
}
}
/*
* search and find
*/
NifItem * NifModel::getItem( NifItem * item, const QString & name ) const
{
if ( name.startsWith( "HEADER/" ) )
return getItem( getHeaderItem(), name.right( name.length() - 7 ) );
if ( ! item || item == root ) return 0;
int slash = name.indexOf( "/" );
if ( slash > 0 )
{
QString left = name.left( slash );
QString right = name.right( name.length() - slash - 1 );
if ( left == ".." )
return getItem( item->parent(), right );
else
return getItem( getItem( item, left ), right );
}
for ( int c = 0; c < item->childCount(); c++ )
{
NifItem * child = item->child( c );
if ( child && child->name() == name && evalCondition( child ) )
return child;
}
return 0;
}
/*
* array functions
*/
static QString parentPrefix( const QString & x )
{
for ( int c = 0; c < x.length(); c++ )
if ( ! x[c].isNumber() )
return QString( "../" ) + x;
return x;
}
bool NifModel::updateByteArrayItem( NifItem * array, bool fast )
{
const int ArrayConvertSize = 0; // Currently disabled. Use nifskopetype="blob" instead
int calcRows = getArraySize( array );
int rows = array->childCount();
// exit early and let default handling delete all rows
if (calcRows == 0 || !array->arr2().isEmpty())
return false;
// Transition from large array to smaller array which now requires real rows
if ( calcRows < ArrayConvertSize ) {
if (rows == 1) {
if ( NifItem *child = array->child(0) ) {
if ( child->value().type() == NifValue::tBlob ) {
QByteArray bm = get<QByteArray>( child );
// Delete the blob row after grabbing the data
if ( ! fast ) beginRemoveRows( createIndex( array->row(), 0, array ), 0, rows - 1 );
array->removeChildren( 0, rows );
if ( ! fast ) endRemoveRows();
// Now insert approprate rows and replace data from byte array to preserve some of the data.
if ( calcRows > 0 )
{
NifData data( array->name(), array->type(), array->temp(), NifValue( NifValue::type( array->type() ) ), parentPrefix( array->arg() ), parentPrefix( array->arr2() ), QString(), QString(), 0, 0 );
if ( ! fast ) beginInsertRows( createIndex( array->row(), 0, array ), 0, calcRows-1 );
array->prepareInsert( calcRows );
for ( int i = 0; i < calcRows; i++ ) {
insertType( array, data );
if ( NifItem *c = array->child(i) )
c->value().set<quint8>( bm[i] );
}
if ( ! fast ) endInsertRows();
}
}
}
}
return false;
}
// Create dummy row for holding the blob data
QByteArray bytes; bytes.resize( calcRows );
// Grab data from existing rows if appropriate and then purge
if (rows > 1) {
for (int i=0;i<rows;i++) {
if ( NifItem *child = array->child(0) ) {
bytes[i] = get<quint8>( child );
}
}
if ( ! fast ) beginRemoveRows( createIndex( array->row(), 0, array ), 0, rows - 1 );
array->removeChildren( 0, rows );
if ( ! fast ) endRemoveRows();
rows = 0;
}
// Create the dummy row for holding the byte array
if ( rows == 0 ) {
NifData data( array->name(), array->type(), array->temp(), NifValue( NifValue::tBlob ), parentPrefix( array->arg() ), QString(), QString(), QString(), 0, 0 );
if ( ! fast ) beginInsertRows( createIndex( array->row(), 0, array ), 0, 1 );
array->prepareInsert( 1 );
insertType( array, data );
if ( ! fast ) endInsertRows();
}
if ( NifItem *child = array->child(0) ) {
QByteArray* bm = (child->value().type() == NifValue::tBlob) ? get<QByteArray*>( child ) : NULL;
if (bm == NULL) {
set<QByteArray>( child, bytes );
} else if (bm->size() == 0) {
*bm = bytes;
} else {
bm->resize(calcRows);
}
}
return true;
}
bool NifModel::updateArrayItem( NifItem * array, bool fast )
{
if ( array->arr1().isEmpty() )
return false;
int d1 = getArraySize( array );
// Special case for very large arrays that are opaque in nature.
// Typical array handling has very poor performance with these arrays
if ( NifValue::type( array->type() ) == NifValue::tBlob ) {
if ( updateByteArrayItem(array, fast) )
return true;
}
if ( d1 > 1024 * 1024 * 8 ) {
msg( Message() << tr("array %1 much too large. %2 bytes requested").arg(array->name()).arg(d1) );
return false;
} else if ( d1 < 0 ) {
msg( Message() << tr("array %1 invalid").arg(array->name()) );
return false;
}
int rows = array->childCount();
if ( d1 > rows )
{
NifData data( array->name(), array->type(), array->temp(), NifValue( NifValue::type( array->type() ) ), parentPrefix( array->arg() ), parentPrefix( array->arr2() ), QString(), QString(), 0, 0 );
if ( ! fast ) beginInsertRows( createIndex( array->row(), 0, array ), rows, d1-1 );
array->prepareInsert( d1 - rows );
for ( int c = rows; c < d1; c++ )
insertType( array, data );
if ( ! fast ) endInsertRows();
}
if ( d1 < rows )
{
if ( ! fast ) beginRemoveRows( createIndex( array->row(), 0, array ), d1, rows - 1 );
array->removeChildren( d1, rows - d1 );
if ( ! fast ) endRemoveRows();
}
if ( !fast && d1 != rows && ( isCompound( array->type() ) || NifValue::isLink( NifValue::type( array->type() ) ) ) )
{
NifItem * parent = array;
while ( parent->parent() && parent->parent() != root )
parent = parent->parent();
if ( parent != getFooterItem() )
{
updateLinks();
updateFooter();
emit linksChanged();
}
}
return true;
}
bool NifModel::updateArrays( NifItem * parent, bool fast )
{
if ( ! parent ) return false;
for ( int row = 0; row < parent->childCount(); row++ )
{
NifItem * child = parent->child( row );
if ( evalCondition( child ) )
{
if ( ! child->arr1().isEmpty() )
{
if ( ! updateArrayItem( child, fast ) )
return false;
if ( ! updateArrays( child, false ) )
return false;
}
else if ( child->childCount() > 0 )
{
if ( ! updateArrays( child, fast ) )
return false;
}
}
}
return true;
}
/*
* block functions
*/
QModelIndex NifModel::insertNiBlock( const QString & identifier, int at, bool fast )
{
NifBlock * block = blocks.value( identifier );
if ( block )
{
if ( at < 0 || at > getBlockCount() )
at = -1;
if ( at >= 0 )
adjustLinks( root, at, 1 );
if ( at >= 0 )
at++;
else
at = getBlockCount() + 1;
if ( ! fast ) beginInsertRows( QModelIndex(), at, at );
NifItem * branch = insertBranch( root, NifData( identifier, "NiBlock", block->text ), at );
if ( ! fast ) endInsertRows();
if ( ! block->ancestor.isEmpty() )
insertAncestor( branch, block->ancestor );
branch->prepareInsert( block->types.count() );
foreach ( NifData data, block->types )
insertType( branch, data );
if ( ! fast )
{
updateHeader();
updateLinks();
updateFooter();
emit linksChanged();
}
return createIndex( branch->row(), 0, branch );
}
else
{
msg( Message() << tr("unknown block %1").arg(identifier) );
return QModelIndex();
}
}
void NifModel::removeNiBlock( int blocknum )
{
if ( blocknum < 0 || blocknum >= getBlockCount() )
return;
adjustLinks( root, blocknum, 0 );
adjustLinks( root, blocknum, -1 );
beginRemoveRows( QModelIndex(), blocknum+1, blocknum+1 );
root->removeChild( blocknum + 1 );
endRemoveRows();
updateHeader();
updateLinks();
updateFooter();
emit linksChanged();
}
void NifModel::moveNiBlock( int src, int dst )
{
if ( src < 0 || src >= getBlockCount() )
return;
beginRemoveRows( QModelIndex(), src+1, src+1 );
NifItem * block = root->takeChild( src+1 );
endRemoveRows();
if ( dst >= 0 )
dst++;
beginInsertRows( QModelIndex(), dst, dst );
dst = root->insertChild( block, dst ) - 1;
endInsertRows();
QMap<qint32,qint32> map;
if ( src < dst )
for ( int l = src; l <= dst; l++ )
map.insert( l, l-1 );
else
for ( int l = dst; l <= src; l++ )
map.insert( l, l+1 );
map.insert( src, dst );
mapLinks( root, map );
updateLinks();
updateHeader();
updateFooter();
emit linksChanged();
}
void NifModel::updateStrings(NifModel *src, NifModel* tgt, NifItem *item)
{
if ( NULL == item )
return;
NifValue::Type vt = item->value().type();
if ( vt == NifValue::tStringIndex || vt == NifValue::tSizedString || item->type() == "string" )
{
QString str = src->string( src->createIndex(0, 0, item) );
tgt->assignString( tgt->createIndex(0, 0, item), str, false );
}
for (int i=0; i<item->childCount(); ++i)
{
updateStrings(src, tgt, item->child(i));
}
}
QMap<qint32,qint32> NifModel::moveAllNiBlocks( NifModel * targetnif, bool update )
{
int bcnt = getBlockCount();
bool doStringUpdate = ( this->getVersionNumber() >= 0x14010003 || targetnif->getVersionNumber() >= 0x14010003 );
QMap<qint32,qint32> map;
beginRemoveRows( QModelIndex(), 1, bcnt );
targetnif->beginInsertRows( QModelIndex(), targetnif->getBlockCount(), targetnif->getBlockCount() + bcnt - 1 );
for ( int i = 0; i < bcnt; i++ )
{
map.insert( i, targetnif->root->insertChild( root->takeChild( 1 ), targetnif->root->childCount() - 1 ) - 1 );
}
endRemoveRows();
targetnif->endInsertRows();
for ( int i = 0; i < bcnt; i++ )
{
NifItem *item = targetnif->root->child( targetnif->getBlockCount() - i );
targetnif->mapLinks( item , map );
if (doStringUpdate)
updateStrings( this, targetnif, item );
}
if (update)
{
updateLinks();
updateHeader();
updateFooter();
emit linksChanged();
targetnif->updateLinks();
targetnif->updateHeader();
targetnif->updateFooter();
emit targetnif->linksChanged();
}
return map;
}
void NifModel::reorderBlocks( const QVector<qint32> & order )
{
if ( getBlockCount() <= 1 )
return;
if ( order.count() != getBlockCount() )
{
msg( Message() << tr("NifModel::reorderBlocks() - invalid argument") );
return;
}
QMap<qint32,qint32> linkMap;
QMap<qint32,qint32> blockMap;
for ( qint32 n = 0; n < order.count(); n++ )
{
if ( blockMap.contains( order[n] ) || order[n] < 0 || order[n] >= getBlockCount() )
{
msg( Message() << tr("NifModel::reorderBlocks() - invalid argument") );
return;
}
blockMap.insert( order[n], n );
if ( order[n] != n )
linkMap.insert( n, order[n] );
}
if ( linkMap.isEmpty() )
return;
// take all the blocks
beginRemoveRows( QModelIndex(), 1, root->childCount() - 2 );
QList<NifItem*> temp;
for ( qint32 n = 0; n < order.count(); n++ )
temp.append( root->takeChild( 1 ) );
endRemoveRows();
// then insert them again in the new order
beginInsertRows( QModelIndex(), 1, temp.count() );
foreach ( qint32 n, blockMap )
root->insertChild( temp[ n ], root->childCount()-1 );
endInsertRows();
mapLinks( root, linkMap );
updateLinks();
emit linksChanged();
updateHeader();
updateFooter();
}
void NifModel::mapLinks( const QMap<qint32,qint32> & map )
{
mapLinks( root, map );
updateLinks();
emit linksChanged();
updateHeader();
updateFooter();
}
QString NifModel::getBlockName( const QModelIndex & idx ) const
{
const NifItem * block = static_cast<NifItem*>( idx.internalPointer() );
if( block ) {
return block->name();
}
return QString( "" );
}
QString NifModel::getBlockType( const QModelIndex & idx ) const
{
const NifItem * block = static_cast<NifItem*>( idx.internalPointer() );
if( block ) {
return block->type();
}
return QString( "" );
}
int NifModel::getBlockNumber( const QModelIndex & idx ) const
{
if ( ! ( idx.isValid() && idx.model() == this ) )
return -1;
const NifItem * block = static_cast<NifItem*>( idx.internalPointer() );
while ( block && block->parent() != root )
block = block->parent();
if ( ! block )
return -1;
int num = block->row() - 1;
if ( num >= getBlockCount() ) num = -1;
return num;
}
QModelIndex NifModel::getBlock( const QModelIndex & idx, const QString & id ) const
{
return getBlock( getBlockNumber( idx ), id );
}
QModelIndex NifModel::getBlockOrHeader( const QModelIndex & idx ) const
{
QModelIndex block = idx;
while ( block.isValid() && block.parent().isValid() )
block = block.parent();
return block;
}
int NifModel::getBlockNumber( NifItem * block ) const
{
while ( block && block->parent() != root )
block = block->parent();
if ( ! block )
return -1;
int num = block->row() - 1;
if ( num >= getBlockCount() ) num = -1;
return num;
}
QModelIndex NifModel::getBlock( int x, const QString & name ) const
{
if ( x < 0 || x >= getBlockCount() )
return QModelIndex();
x += 1; //the first block is the NiHeader
QModelIndex idx = index( x, 0 );
if ( inherits( idx, name ) )
return idx;
else
return QModelIndex();
}
bool NifModel::isNiBlock( const QModelIndex & index, const QString & name ) const
{
NifItem * item = static_cast<NifItem *>( index.internalPointer() );
if ( index.isValid() && item && item->parent() == root && getBlockNumber( item ) >= 0 )
{
if ( name.isEmpty() )
return true;
else
return item->name() == name;
}
return false;
}
NifItem * NifModel::getBlockItem( int x ) const
{
if ( x < 0 || x >= getBlockCount() ) return 0;
return root->child( x+1 );
}
int NifModel::getBlockCount() const
{
return rowCount() - 2;
}
/*
* ancestor functions
*/
void NifModel::insertAncestor( NifItem * parent, const QString & identifier, int at )
{
Q_UNUSED(at);
NifBlock * ancestor = blocks.value( identifier );
if ( ancestor )
{
if ( ! ancestor->ancestor.isEmpty() )
insertAncestor( parent, ancestor->ancestor );
//parent->insertChild( NifData( identifier, "Abstract" ) );
parent->prepareInsert( ancestor->types.count() );
foreach ( NifData data, ancestor->types )
insertType( parent, data );
}
else
msg( Message() << tr("unknown ancestor %1").arg(identifier) );
}
bool NifModel::inherits( const QString & name, const QString & aunty ) const
{
if ( name == aunty ) return true;
NifBlock * type = blocks.value( name );
if ( type && ( type->ancestor == aunty || inherits( type->ancestor, aunty ) ) )
return true;
return false;
}
bool NifModel::inherits( const QModelIndex & idx, const QString & aunty ) const
{
int x = getBlockNumber( idx );
if ( x < 0 )
return false;
return inherits( itemName( index( x+1, 0 ) ), aunty );
}
/*
* basic and compound type functions
*/
void NifModel::insertType( const QModelIndex & parent, const NifData & data, int at )
{
NifItem * item = static_cast<NifItem *>( parent.internalPointer() );
if ( parent.isValid() && item && item != root )
insertType( item, data, at );
}
void NifModel::insertType( NifItem * parent, const NifData & data, int at )
{
if ( ! data.arr1().isEmpty() )
{
NifItem * array = insertBranch( parent, data, at );
if ( evalCondition( array ) )
updateArrayItem( array, true );
return;
}
NifBlock * compound = compounds.value( data.type() );
if ( compound )
{
NifItem * branch = insertBranch( parent, data, at );
branch->prepareInsert( compound->types.count() );
foreach ( NifData d, compound->types )
insertType( branch, d );
}
else
{
if ( data.type() == "TEMPLATE" || data.temp() == "TEMPLATE" )
{
QString tmp = parent->temp();
NifItem * tItem = parent;
while ( tmp == "TEMPLATE" && tItem->parent() )
{
tItem = tItem->parent();
tmp = tItem->temp();
}
NifData d( data );
if ( d.type() == "TEMPLATE" )
{
d.value.changeType( NifValue::type( tmp ) );
d.setType( tmp );
}
if ( d.temp() == "TEMPLATE" )
d.setTemp( tmp );
insertType( parent, d, at );
}
else
{
NifItem *item = parent->insertChild( data, at );
// Kludge for string conversion.
// Ensure that the string type is correct for the nif version
if ( item->value().type() == NifValue::tString || item->value().type() == NifValue::tFilePath ) {
item->value().changeType( version < 0x14010003 ? NifValue::tSizedString : NifValue::tStringIndex );
}
}
}
}
/*
* item value functions
*/
bool NifModel::setItemValue( NifItem * item, const NifValue & val )
{
item->value() = val;
emit dataChanged( createIndex( item->row(), ValueCol, item ), createIndex( item->row(), ValueCol, item ) );
if ( itemIsLink( item ) )
{
NifItem * parent = item;
while ( parent->parent() && parent->parent() != root )
parent = parent->parent();
if ( parent != getFooterItem() )
{
updateLinks();
updateFooter();
emit linksChanged();