public void AddBlock(VertexWithIndex data, bool bRebuildIfNeeded = false)
{
if (BlockCount >= TotalSize)
{
throw new InvalidOperationException("Chunk is full.");
}
Renderer.AddBlock(data, bRebuildIfNeeded);
}
public void SetBlockData(int index, VertexWithIndex data)
{
if (!Renderer.IsInitialized())
{
throw new InvalidOperationException("Renderer must be initialized with <see cref='BuildChunk' /> first.");
}
Renderer.SetBlock(data, index);
}
/// <summary>
/// 添加一个Block
/// </summary>
/// <param name="block"></param>
/// <param name="rebuildIfNeeded"></param>
/// <returns></returns>
public int AddBlock(VertexWithIndex block, bool bRebuildIfNeeded = false)
{
if (m_nFreeBlocks == 0)
{
if (bRebuildIfNeeded)
{
RebuildInternal(m_nBlockCount + 1);
}
else
{
throw new InvalidOperationException("The buffer cannot hold any more blocks, rebuild the buffer");
}
}
var index = m_nBlockCount;
SetBlock(block, index);
m_nBlockCount++;
return(index);
}
protected override Chunk Read(ContentReader reader, Chunk existingInstance)
{
var gds = (IGraphicsDeviceService)reader.ContentManager.ServiceProvider.GetService(typeof(IGraphicsDeviceService));
var gd = gds.GraphicsDevice;
var sizeX = reader.ReadInt32();
var sizeY = reader.ReadInt32();
var sizeZ = reader.ReadInt32();
var pos = reader.ReadVector3();
var count = reader.ReadInt32();
var activeCount = reader.ReadInt32();
var blockData = new VertexWithIndex[count];
for (var i = 0; i < count; i++)
{
var x = reader.ReadByte();
var y = reader.ReadByte();
var z = reader.ReadByte();
var index = reader.ReadByte();
blockData[i] = new VertexWithIndex(x, y, z, index);
}
var palette = new Vector4[255];
for (var i = 0; i < 255; i++)
{
palette[i] = reader.ReadColor().ToVector4();
}
var renderer = new PolygonChunkRenderer(gd, palette);
var chunk = new Chunk(renderer, pos, (byte)sizeX, (byte)sizeY, (byte)sizeZ);
chunk.BuildChunk(blockData, activeCount);
return(chunk);
}
public abstract void SetBlock(VertexWithIndex block, int index);
/// <summary>
/// 比较两个点
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
private bool Equals(VertexWithIndex other)
{
return(X == other.X && Y == other.Y && Z == other.Z && Index == other.Index);
}
public override void SetBlock(VertexWithIndex block, int index)
{
throw new NotImplementedException();
}
/// <summary>
/// 移除一个Block
/// </summary>
/// <param name="block"></param>
public void Remove(VertexWithIndex block)
{
Remove(block.X, block.Y, block.Z);
}
/// <summary>
/// 添加一个Block
/// </summary>
/// <param name="block"></param>
public virtual void Add(VertexWithIndex block)
{
Add(block.X, block.Y, block.Z, new BlockData(block.Index));
}