protected void SetField(int i, int j, Field f, Map m)
{
m.SetField(i, j, f);
}
protected void CreateField(int textid, int index , Map m)
{
Field f = new Field(m.textures[textid], false);
int x = index%m.Width;
int y = index/m.Width;
m.SetField(x, y, f);
}