public void Init()
{
_game = new SampleGame();
this._config = new EngineConfig();
this._engine = new Engine(this._game, this._config);
var cacheWidthInBlocks = ((_config.Cache.CacheRange * 2) + 1) * _config.Chunk.WidthInBlocks;
var cacheLenghtInBlocks = ((_config.Cache.CacheRange*2) + 1) * _config.Chunk.LenghtInBlocks;
this._cacheXStartIndex = -cacheWidthInBlocks/2;
this._cacheXEndIndex = cacheWidthInBlocks / 2;
this._cacheZStartIndex = -cacheLenghtInBlocks / 2;
this._cacheZEndIndex = cacheLenghtInBlocks / 2;
this._directlyIndexedValidationDictionary = new Dictionary<int, BlockType>();
// set the initial values.
for (var x = this._cacheXStartIndex; x < this._cacheXEndIndex; x++)
{
for (var z = this._cacheZStartIndex; z < this._cacheZEndIndex; z++)
{
var offset = BlockStorage.BlockIndexByWorldPosition(x, z);
for (var y = 0; y < _config.Chunk.HeightInBlocks; y++)
{
var index = offset + y;
var block = new Block().RandomizeType();
this._directlyIndexedValidationDictionary.Add(index, block.Type);
BlockStorage.Blocks[index] = block;
}
}
}
// check if validationDictionaries item count is equal to CacheRange's volume.
Assert.AreEqual(this._directlyIndexedValidationDictionary.Values.Count, _config.Cache.CacheRangeVolume);
}
// Sets a block in given x-y-z coordinate.
public void SetBlockAt(int x, int y, int z, Block block)
{
var chunk = this.GetChunk(x, z);
if (chunk == null)
return;
chunk.FastSetBlockAt((byte) (x%Chunk.WidthInBlocks), (byte) y, (byte) (z%Chunk.LenghtInBlocks), block); // use FastSetBlock as we already do bounds check by finding the chunk block is owned by.
}
// Sets a block in given x-y-z coordinate.
public void SetBlockAt(Vector3Int position, Block block)
{
this.SetBlockAt(position.X, position.Y, position.Z, block);
}
/// <summary>
/// Sets a block by given world position.
/// </summary>
/// <param name="position">Point/block position.</param>
/// <returns>Copy of <see cref="Block"/></returns>
/// <param name="block">Block to set.</param>
public static void SetBlockAt(Vector3 position, Block block)
{
SetBlockAt((int)position.X, (int)position.Y, (int)position.Z, block);
}
/// <summary>
/// Sets a block by given world position.
/// </summary>
/// <param name="x">Block's x world position.</param>
/// <param name="y">Block's y world position.</param>
/// <param name="z">Block's z world position.</param>
/// <param name="block">Block to set.</param>
public static void SetBlockAt(int x, int y, int z, Block block)
{
// make sure given coordinates are in chunk cache's bounds.
if (!ChunkCache.IsInBounds(x, y, z))
return; // if it's out of bounds, just return;
// wrap x coordinate.
var wrapX = x % CacheWidthInBlocks;
if (wrapX < 0)
wrapX += CacheWidthInBlocks;
// wrap z coordinate.
var wrapZ = z % CacheLenghtInBlocks;
if (wrapZ < 0)
wrapZ += CacheLenghtInBlocks;
// calculate the flatten index.
var flattenIndex = wrapX * XStep + wrapZ * ZStep + y;
// set the block
Blocks[flattenIndex] = block;
}
/// <summary>
/// Sets a block by given world position.
/// </summary>
/// <param name="position">Point/block position.</param>
/// <returns>Copy of <see cref="Block"/></returns>
/// <param name="block">Block to set.</param>
/// <remarks>This method will not check if given point/block coordinates are in chunk-cache's bounds. If you need a reliable & safe way, use <see cref="SetBlockAt"/> instead.</remarks>
public static void FastSetBlockAt(Vector3Int position, Block block)
{
FastSetBlockAt(position.X, position.Y, position.Z, block);
}
/// <summary>
/// Sets a block by given world position.
/// </summary>
/// <param name="x">Block's x world position.</param>
/// <param name="y">Block's y world position.</param>
/// <param name="z">Block's z world position.</param>
/// <param name="block">Block to set.</param>
/// <remarks>This method will not check if given point/block coordinates are in chunk-cache's bounds. If you need a reliable & safe way, use <see cref="SetBlockAt"/> instead.</remarks>
public static void FastSetBlockAt(int x, int y, int z, Block block)
{
// wrap x coordinate.
var wrapX = x % CacheWidthInBlocks;
if (wrapX < 0)
wrapX += CacheWidthInBlocks;
// wrap z coordinate.
var wrapZ = z % CacheLenghtInBlocks;
if (wrapZ < 0)
wrapZ += CacheLenghtInBlocks;
// calculate the flatten index.
var flattenIndex = wrapX * XStep + wrapZ * ZStep + y;
// sett the block
Blocks[flattenIndex] = block;
}
public PositionedBlock(Vector3Int position, Block block)
{
Position = position;
Block = block;
}
/// <summary>
/// Sets block at given relative position.
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="z"></param>
/// <param name="block"></param>
public void FastSetBlockAt(byte x, byte y, byte z, Block block)
{
switch (block.Exists)
{
case false:
if (this.LowestEmptyBlockOffset > y && y > 0)
this.LowestEmptyBlockOffset = (byte) (y - 1);
break;
case true:
if (y > this.HighestSolidBlockOffset && y < MaxHeightIndexInBlocks)
this.HighestSolidBlockOffset = (byte) (y + 1);
break;
}
BlockStorage.FastSetBlockAt(this.WorldPosition.X + x, y, this.WorldPosition.Z + z, block);
this.ChunkState = ChunkState.AwaitingRelighting;
}
/// <summary>
/// Sets a block by given relative position.
/// </summary>
/// <param name="x">Block's x world position.</param>
/// <param name="y">Block's y world position.</param>
/// <param name="z">Block's z world position.</param>
/// <param name="block">Block to set.</param>
/// <remarks>This method will not check if given point/block coordinates are in chunk-cache's bounds. If you need a reliable & safe way, use <see cref="SetBlockAt"/> instead.</remarks>
public void FastSetBlockAt(sbyte x, sbyte y, sbyte z, Block block)
{
if (x < 0)
x += (sbyte)Chunk.WidthInBlocks;
if (z < 0)
z += (sbyte) Chunk.LenghtInBlocks;
BlockStorage.FastSetBlockAt(this.WorldPosition.X + x, y, this.WorldPosition.Z + z, block);
this.ChunkState = ChunkState.AwaitingRelighting;
}