/// <summary>
/// 开始寻路;若无法找到目标点则返回异常;
/// </summary>
public WayPath <T> Search(IWalker <T> map, IRange <T> searchRange, T starting, T destination)
{
if (map == null)
{
throw new ArgumentNullException("map");
}
if (searchRange == null)
{
throw new ArgumentNullException("searchRange");
}
Walker = map;
SearchRange = searchRange;
Starting = starting;
Destination = destination;
if (starting.Equals(destination))
{
throw new ArgumentException("起点与终点为同一个位置;");
}
if (SearchRange.IsOutRange(Destination))
{
throw new DestinationNotFoundException("目的地超出了最大搜索范围的定义;");
}
if (IsTrapped(Starting))
{
throw new TrappedException("起点周围不可行走,物体可能被困住;");
}
if (IsTrapped(Destination))
{
throw new TrappedException("目的地本身或周围不可行走;");
}
return(Search());
}