//把这个区域的data载入到内存中（从文件）
private static bool LoadRegionData(Index regionIndex)
{
string indexString = regionIndex.ToString();
//如果没有载入
if (LoadedRegions.ContainsKey(indexString) == false)
{
// 如果文件存在，就载入
string regionPath = GetRegionPath(regionIndex);
if (File.Exists(regionPath))
{
StreamReader reader = new StreamReader(regionPath);
string[] regionData = reader.ReadToEnd().Split((char)ushort.MaxValue);
reader.Close();
LoadedRegions[indexString] = regionData;
return(true);
}
else
{
//文件不存在
return(false);
}
}
//数据已经载入
return(true);
}
private static string[] GetRegionData(Index regionIndex)
{
if (LoadRegionData(regionIndex) == true)
{
return(LoadedRegions[regionIndex.ToString()]);
}
else
{
return(null);
}
}
public static Chunk GetChunkComponent(Index index)
{
string indexString = index.ToString();
if (ChunkManager.Chunks.ContainsKey(indexString))
{
return(ChunkManager.Chunks[indexString]);
}
else
{
return(null);
}
}
//返回chunkData，没找到就返回空串
private string GetChunkData(Index index)
{
//尝试从temp中寻找返回
string indexString = index.ToString();
if (TempChunkData.ContainsKey(indexString))
{
return(TempChunkData[indexString]);
}
int regionIndex = GetChunkRegionIndex(index);
string[] regionData = GetRegionData(GetParentRegion(index));
if (regionData == null)
{
return("");
}
return(regionData[regionIndex]);
}
//获取区域块对应的文件名
private static string GetRegionPath(Index regionIndex)
{
return(Engine.WorldPath + (regionIndex.ToString() + ",.region"));
}
//将chunk的data写入到temp
private void WriteChunkData(Index index, string data)
{
TempChunkData[index.ToString()] = data;
}
