bool ChangeTileTerrain::mergeWith(const QUndoCommand *other) {
if (!mMergeable)
return false;
const ChangeTileTerrain *o = static_cast<const ChangeTileTerrain*>(other);
if (o->mMapEditor && !(mMapEditor == o->mMapEditor &&
mTileset == o->mTileset))
return false;
Changes::const_iterator i = o->mChanges.constBegin();
Changes::const_iterator i_end = o->mChanges.constEnd();
while (i != i_end) {
Tile *tile = i.key();
const Change &change = i.value();
if (mChanges.contains(tile))
mChanges[tile].to = change.to;
else
mChanges.insert(tile, change);
++i;
}
mMergeable = o->mMergeable;
return true;
}
bool ChangeTileTerrain::mergeWith(const QUndoCommand *other)
{
if (!mMergeable)
return false;
const ChangeTileTerrain *o = static_cast<const ChangeTileTerrain*>(other);
if (o->mTilesetDocument && !(mTilesetDocument == o->mTilesetDocument &&
mTileset == o->mTileset))
return false;
Changes::const_iterator i = o->mChanges.constBegin();
Changes::const_iterator i_end = o->mChanges.constEnd();
while (i != i_end) {
Tile *tile = i.key();
const Change &change = i.value();
Changes::iterator tileChange = mChanges.find(tile);
if (tileChange != mChanges.end())
tileChange->to = change.to;
else
mChanges.insert(tile, change);
++i;
}
mMergeable = o->mMergeable;
return true;
}
void ChangeTileTerrain::redo() {
Changes::const_iterator i = mChanges.constBegin();
QList<Tile *> changedTiles;
#if QT_VERSION >= 0x040700
changedTiles.reserve(mChanges.size());
#endif
while (i != mChanges.constEnd()) {
Tile *tile = i.key();
const Change &change = i.value();
tile->setTerrain(change.to);
changedTiles.append(tile);
++i;
}
mMapEditor->emitTileTerrainChanged(changedTiles);
}
void ChangeTileTerrain::redo()
{
if (mChanges.isEmpty())
return;
Changes::const_iterator i = mChanges.constBegin();
QList<Tile *> changedTiles;
changedTiles.reserve(mChanges.size());
while (i != mChanges.constEnd()) {
Tile *tile = i.key();
const Change &change = i.value();
tile->setTerrain(change.to);
changedTiles.append(tile);
++i;
}
emit mTilesetDocument->tileTerrainChanged(changedTiles);
}