public Task AsyncLoadTask(ChunkPos chunkPos)
{
if (_unloadTask == null || _unloadTask.IsCompleted)
{
_unloadTask = AsyncUnloadTask();
}
var oldChunkPos = ChunkPos;
ChunkPos = chunkPos;
if (_loadTask != null && !_loadTask.IsCompleted)
{
_cts.Cancel();
}
_cts = new CancellationTokenSource();
var loadTask = new Task(() =>
{
_unloadTask.Wait();
GameManager.WorldManager.worldLoader.LoadEntity(chunkPos, ref _entityDataList);
_isDirty = true;
}, _cts.Token);
loadTask.Start();
_loadTask = loadTask;
return(loadTask);
}
public void Load(BinaryReader reader)
{
var version = reader.ReadInt32();
if (version != WorldVersion)
{
Debug.LogError("Unsupport to update");
// UpdateWorld(version, WorldGenerator.GeneratorVersion);
}
worldName = reader.ReadString();
worldGeneratorType = reader.ReadString();
var worldSizeX = reader.ReadInt32();
var worldSizeZ = reader.ReadInt32();
var blockSizeX = reader.ReadSingle();
var blockSizeY = reader.ReadSingle();
var blockSizeZ = reader.ReadSingle();
var chunkSizeX = reader.ReadInt32();
var chunkSizeY = reader.ReadInt32();
var chunkSizeZ = reader.ReadInt32();
blockSize = new Vector3(blockSizeX, blockSizeY, blockSizeZ);
chunkSize = new Vector3Int(chunkSizeX, chunkSizeY, chunkSizeZ);
worldSize = new ChunkPos(worldSizeX, worldSizeZ);
}
public void Generate(string worldName, ChunkPos worldSize, Vector3 blockSize, Vector3Int chunkSize)
{
worldInfo = new GameObject().AddComponent <WorldInfo>();
worldInfo.worldName = worldName;
worldInfo.worldGeneratorType = GetType().FullName;
worldInfo.chunkSize = chunkSize;
worldInfo.worldSize = worldSize;
worldInfo.blockSize = blockSize;
// 获取目录位置
outDir = Application.persistentDataPath + "/world/" + worldName;
while (Directory.Exists(outDir))
{
outDir += "-";
}
outDir += "/";
Directory.CreateDirectory(outDir);
worldInfo.worldPath = outDir;
// 创建世界基本信息
GenerateWorldInfo();
}
public override void GenChunk(ChunkPos chunkPos, ref Block[,,] blocks)
{
// 生成地形
for (var x = 0; x < worldInfo.chunkSize.x; ++x)
{
for (var z = 0; z < worldInfo.chunkSize.z; ++z)
{
var height = GetHeight(
x + chunkPos.x * worldInfo.chunkSize.x,
z + chunkPos.z * worldInfo.chunkSize.z,
worldInfo.chunkSize.y / 3 * 2);
for (var y = 0; y < worldInfo.chunkSize.y; ++y)
{
if (y > height)
{
blocks[x, y, z].blockProxy = air;
}
else if (y == height)
{
blocks[x, y, z].blockProxy = grass;
}
else
{
blocks[x, y, z].blockProxy = dirt;
}
}
}
}
}
public Task AsyncLoadTask(ChunkPos chunkPos)
{
ChunkPos = chunkPos;
var loadBlockTask = _blockContainer.AsyncLoadTask(ChunkPos);
var loadEntityTask = _entityContainer.AsyncLoadTask(ChunkPos);
var loadTask = new Task(() =>
{
loadBlockTask.Wait();
loadEntityTask.Wait();
});
loadTask.Start();
#if UNITY_EDITOR
name = "Chunk: " + ChunkPos.x + ", " + ChunkPos.z;
#endif
transform.position = new Vector3(
ChunkPos.x * _blockContainer.ContainerSize.x * _blockContainer.BlockSize.x,
0,
ChunkPos.z * _blockContainer.ContainerSize.z * _blockContainer.BlockSize.z);
return(loadTask);
}
/// <summary>
/// 加载实体
/// </summary>
/// <param name="entitys"></param>
public void LoadEntity(ChunkPos chunkPos, ref List <DataTag> entityDataList)
{
var entityDataName = chunkPos.IsGlobal() ? "global" : chunkPos.x + "." + chunkPos.z;
var loadPath = _dir + "e." + entityDataName + ".dat";
if (!chunkPos.IsAvailable())
{
return;
}
// 如果未创建实体信息则生成
if (!File.Exists(loadPath))
{
var worldSize = GameManager.WorldManager.worldInfo.worldSize;
if (!chunkPos.IsGlobal())
{
if (
!(chunkPos.x < 0 || chunkPos.x > worldSize.x ||
chunkPos.z < 0 || chunkPos.z > worldSize.z))
{
GameManager.WorldManager.worldGenerator.GenChunkEntity(chunkPos, ref entityDataList);
}
}
else
{
GameManager.WorldManager.worldGenerator.GenGlobalEntity(ref entityDataList);
}
return;
}
var entityStream = File.OpenRead(loadPath);
var decompressFileStream = new GZipStream(entityStream, CompressionMode.Decompress);
var reader = new BinaryReader(decompressFileStream);
// 加载实体
var entityCount = reader.ReadInt32();
for (var i = 0; i < entityCount; ++i)
{
var entityData = DataTag.Empty();
entityData.Load(reader);
entityDataList.Add(entityData);
}
reader.Close();
decompressFileStream.Close();
entityStream.Close();
}
/// <summary>
/// 保存实体
/// </summary>
/// <param name="entitys"></param>
public void SaveEntity(ChunkPos chunkPos, List <DataTag> entityDataList)
{
if (!chunkPos.IsAvailable())
{
return;
}
if (!chunkPos.IsGlobal())
{
SaveEntity(chunkPos.x + "." + chunkPos.z, entityDataList);
}
else
{
SaveEntity("global", entityDataList);
}
}
public Task AsyncUnloadTask()
{
// 卸载网格
if (ChunkPos.IsAvailable())
{
_chunkMeshGenerator?.Unload();
}
if (_unloadTask != null && !_unloadTask.IsCompleted)
{
return(_unloadTask);
}
var needSave = IsLoaded;
var oldChunkPos = ChunkPos;
IsLoaded = false;
_isDirty = false;
// 卸载Chunk
_unloadTask = new Task(() =>
{
if (!oldChunkPos.IsAvailable())
{
return;
}
if (needSave)
{
GameManager.WorldManager.worldLoader.SaveBlock(oldChunkPos, _blocks);
}
for (var x = 0; x < ContainerSize.x; ++x)
{
for (var y = 0; y < ContainerSize.y; ++y)
{
for (var z = 0; z < ContainerSize.z; ++z)
{
_blocks[x, y, z].blockProxy = null;
}
}
}
});
_unloadTask.Start();
return(_unloadTask);
}
public Task AsyncLoadTask(ChunkPos chunkPos)
{
// 加载前结束之前此Chunk所有加载任务
if (_genChunkTask != null && !_genChunkTask.IsCompleted)
{
_cts.Cancel();
}
// 卸载已经加载的区块
if (_unloadTask == null || _unloadTask.IsCompleted)
{
_unloadTask = AsyncUnloadTask();
}
var oldChunkPos = ChunkPos;
ChunkPos = chunkPos;
_genChunkTask = new Task(() =>
{
// 等待卸载任务完成
_unloadTask.Wait();
_cts = new CancellationTokenSource();
// 加载Chunk
_genChunkTask = new Task(() =>
{
GameManager.WorldManager.worldLoader.LoadBlock(chunkPos, ref _blocks);
IsLoaded = true;
}, _cts.Token);
// 等待区块加载完成
_genChunkTask.Start();
_genChunkTask.Wait();
_isDirty = true;
});
_genChunkTask.Start();
return(_genChunkTask);
}
public static float Distance(ChunkPos chunkPos1, ChunkPos chunkPos2)
{
return(Mathf.Sqrt(Mathf.Pow(chunkPos1.x - chunkPos2.x, 2) + Mathf.Pow(chunkPos1.z - chunkPos2.z, 2)));
}
public abstract void GenChunkEntity(ChunkPos chunkPos, ref List <DataTag> entityData);
public abstract void GenChunk(ChunkPos chunkPos, ref Block[,,] blocks);
public override void GenChunkEntity(ChunkPos chunkPos, ref List <DataTag> entityData)
{
var count = _random.Next() % 50 + 1;
for (var i = 0; i < count; ++i)
{
var x = _random.Next() % 16;
var z = _random.Next() % 16;
var height = GetHeight(
chunkPos.x * worldInfo.chunkSize.x + x,
chunkPos.z * worldInfo.chunkSize.z + z,
worldInfo.chunkSize.y / 3 * 2);
var pos = new Vector3(
chunkPos.x * worldInfo.chunkSize.x + (x + 0.5f) * worldInfo.blockSize.x,
height * worldInfo.blockSize.y,
chunkPos.z * worldInfo.chunkSize.z + (z + 0.5f) * worldInfo.blockSize.z);
var type = _random.Next(0, 3);
if (type == 0)
{
var envElement = new DataTag(
new Dictionary <string, object>
{
{
"name", "EnvElement"
},
{
"type", "island.entity:env_element"
},
{
"position", pos
},
{
"envElement", "island.env_element:withered_grass"
}
}
);
entityData.Add(envElement);
}
else if (type == 1)
{
var envElement = new DataTag(
new Dictionary <string, object>
{
{
"name", "EnvElement"
},
{
"type", "island.entity:env_element"
},
{
"position", pos
},
{
"envElement", "island.env_element:grass"
}
}
);
entityData.Add(envElement);
}
else if (type == 2)
{
var dropStone = new DataTag(
new Dictionary <string, object>
{
{
"name", "DropStone"
},
{
"type", "island.entity:drop_item"
},
{
"position", pos + Vector3.up * 0.5f
},
{
"item", "island.item:stone"
},
{
"itemCount", 1
}
}
);
entityData.Add(dropStone);
}
}
if (chunkPos.x == 1 && chunkPos.z == 1)
{
var height2 = GetHeight(
chunkPos.x * worldInfo.chunkSize.x,
chunkPos.z * worldInfo.chunkSize.z,
worldInfo.chunkSize.y / 3 * 2);
var pos2 = new Vector3(
chunkPos.x * worldInfo.chunkSize.x + 0.5f * worldInfo.blockSize.x,
height2 * worldInfo.blockSize.y,
chunkPos.z * worldInfo.chunkSize.z + 0.5f * worldInfo.blockSize.z);
var chest = new DataTag(
new Dictionary <string, object>
{
{
"name", "Chest"
},
{
"type", "island.entity:chest"
},
{
"position", pos2 - Vector3.left
}
}
);
entityData.Add(chest);
var craftTable = new DataTag(
new Dictionary <string, object>
{
{
"name", "CraftTable"
},
{
"position", pos2 + Vector3.left
},
{
"type", "island.entity:craft_table"
}
}
);
entityData.Add(craftTable);
}
}
public void LoadBlock(ChunkPos chunkPos, ref Block[,,] blocks)
{
if (_dir == "")
{
Debug.LogError("Not load world");
return;
}
if (!chunkPos.IsAvailable())
{
return;
}
var chunkFilePath = _dir + "c." + chunkPos.x + "." + chunkPos.z + ".dat";
var chunkTmpFilePath = chunkFilePath + ".tmp";
while (File.Exists(chunkTmpFilePath))
{
Thread.Yield();
}
var chunkSize = GameManager.WorldManager.ChunkSize;
// Chunk不存在
var isChunkExists = File.Exists(chunkFilePath);
if (!isChunkExists)
{
var worldSize = GameManager.WorldManager.worldInfo.worldSize;
if (chunkPos.x < 0 || chunkPos.x > worldSize.x ||
chunkPos.z < 0 || chunkPos.z > worldSize.z)
{
for (var x = 0; x < chunkSize.x; ++x)
{
for (var y = 0; y < chunkSize.y; ++y)
{
for (var z = 0; z < chunkSize.z; ++z)
{
blocks[x, y, z].ReadFrom(null, null);
}
}
}
}
else
{
GameManager.WorldManager.worldGenerator.GenChunk(chunkPos, ref blocks);
}
return;
}
var chunkStream = File.OpenRead(chunkFilePath);
var decompressFileStream = new GZipStream(chunkStream, CompressionMode.Decompress);
var reader = new BinaryReader(decompressFileStream);
// 读取索引表
var indexSize = reader.ReadInt32();
var blockIndex = new List <IBlock>(indexSize);
for (var i = 0; i < indexSize; ++i)
{
var blockName = reader.ReadString();
blockIndex.Add(GameManager.ProxyManager.Get <IBlock>(blockName));
}
for (var x = 0; x < chunkSize.x; ++x)
{
for (var y = 0; y < chunkSize.y; ++y)
{
for (var z = 0; z < chunkSize.z; ++z)
{
blocks[x, y, z].ReadFrom(reader, blockIndex);
}
}
}
reader.Close();
decompressFileStream.Close();
chunkStream.Close();
}
public void SaveBlock(ChunkPos chunkPos, Block[,,] blocks)
{
if (_dir == "")
{
Debug.LogError("Not load world");
return;
}
if (!chunkPos.IsAvailable())
{
return;
}
var chunkSize = GameManager.WorldManager.ChunkSize;
var savePath = _dir + "c." + chunkPos.x + "." + chunkPos.z + ".dat";
var saveTmpPath = savePath + ".tmp";
var chunkStream = File.Create(saveTmpPath);
var compressFileStream = new GZipStream(chunkStream, CompressionMode.Compress);
var writer = new BinaryWriter(compressFileStream);
// 创建索引表
List <string> blockIndex = new List <string>();
for (var x = 0; x < chunkSize.x; ++x)
{
for (var y = 0; y < chunkSize.y; ++y)
{
for (var z = 0; z < chunkSize.z; ++z)
{
var blockData = blocks[x, y, z].blockProxy;
var blockName = blockData == null ? "island.block:air" : blockData.Name;
if (!blockIndex.Contains(blockName))
{
blockIndex.Add(blockName);
}
}
}
}
// 写入索引表
writer.Write(blockIndex.Count);
foreach (var str in blockIndex)
{
writer.Write(str);
}
// 写入Block信息
for (var x = 0; x < chunkSize.x; ++x)
{
for (var y = 0; y < chunkSize.y; ++y)
{
for (var z = 0; z < chunkSize.z; ++z)
{
blocks[x, y, z].WriteTo(writer, blockIndex);
}
}
}
writer.Close();
compressFileStream.Close();
chunkStream.Close();
// 复制文件
File.Copy(saveTmpPath, savePath, true);
// 删除临时文件
File.Delete(saveTmpPath);
}