void
sMap::InsertLayerFromMap(int where, const sMap& map, int layer)
{
const sLayer& old_l = map.GetLayer(layer);
sLayer new_l(old_l.GetWidth(), old_l.GetHeight());
// merge the two tilesets, updating the indices in layer 'l'
sTileset& dst_ts = m_Tileset;
const sTileset& src_ts = map.GetTileset();
// add each tile to the tileset
for (int i = src_ts.GetNumTiles() - 1; i >= 0; i--) {
// if it's already in the old tileset, we don't need to add it
bool duplication = false;
for (int j = 0; j < dst_ts.GetNumTiles(); j++) {
if (src_ts.GetTile(i) == dst_ts.GetTile(j)) {
// put 'j' where 'i' was in old layer
for (int iy = 0; iy < old_l.GetHeight(); iy++) {
for (int ix = 0; ix < old_l.GetWidth(); ix++) {
if (old_l.GetTile(ix, iy) == i) {
new_l.SetTile(ix, iy, j);
}
}
}
duplication = true;
break;
}
}
// add tile to end of tileset
if (!duplication) {
dst_ts.AppendTiles(1);
int j = dst_ts.GetNumTiles() - 1;
dst_ts.GetTile(j) = src_ts.GetTile(i);
// put 'j' where 'i' was in old layer
for (int iy = 0; iy < old_l.GetHeight(); iy++) {
for (int ix = 0; ix < old_l.GetWidth(); ix++) {
if (old_l.GetTile(ix, iy) == i) {
new_l.SetTile(ix, iy, j);
}
}
}
}
}
InsertLayer(where, new_l);
}
void hsGMaterial::SetLayer(plLayerInterface* layer, int32_t which, bool insert, bool piggyBack)
{
if( insert )
{
InsertLayer(layer, which, piggyBack);
}
else
{
hsTArray<plLayerInterface*>& layers = piggyBack ? fPiggyBacks : fLayers;
if( which < 0 )
which = layers.GetCount();
hsAssert(which <= layers.GetCount(), "Material layers Exceeding test depth");
if( which < layers.GetCount() )
layers[which] = layer;
else
layers.Append(layer);
}
}
void
sMap::DuplicateLayer(int layer)
{
sLayer l = m_Layers[layer];
InsertLayer(layer, l);
}
