/// <summary>
/// Transforms global world coordinates to chunk indices relative to grid origin.
/// </summary>
/// <param name="localPos">The position in the world.</param>
/// <returns></returns>
public MapIndices WorldToChunk(GridLocalCoordinates posWorld)
{
var local = posWorld.ConvertToGrid(this);
var x = (int)Math.Floor(local.X / (TileSize * ChunkSize));
var y = (int)Math.Floor(local.Y / (TileSize * ChunkSize));
return(new MapIndices(x, y));
}
/// <summary>
/// Updates a single tile from the network message.
/// </summary>
/// <param name="message">The message containing the info.</param>
private void HandleTileUpdate(MsgMap message)
{
Debug.Assert(_netManager.IsClient, "Why is the server calling this?");
var x = message.SingleTurf.X;
var y = message.SingleTurf.Y;
var tile = (Tile)message.SingleTurf.Tile;
var pos = new GridLocalCoordinates(x, y, message.GridIndex);
pos.Grid.SetTile(pos, tile);
}
public MapIndices SnapGridCellFor(GridLocalCoordinates worldPos, SnapGridOffset offset)
{
var local = worldPos.ConvertToGrid(this);
if (offset == SnapGridOffset.Edge)
{
local = local.Offset(new Vector2(TileSize / 2f, TileSize / 2f));
}
var x = (int)Math.Floor(local.X / TileSize);
var y = (int)Math.Floor(local.Y / TileSize);
return(new MapIndices(x, y));
}
/// <inheritdoc />
public TileRef GetTile(GridLocalCoordinates worldPos)
{
var chunkIndices = WorldToChunk(worldPos);
var gridTileIndices = WorldToTile(worldPos);
Chunk output;
if (_chunks.TryGetValue(chunkIndices, out output))
{
var chunkTileIndices = output.GridTileToChunkTile(gridTileIndices);
return(output.GetTile((ushort)chunkTileIndices.X, (ushort)chunkTileIndices.Y));
}
return(new TileRef(MapID, Index, gridTileIndices.X, gridTileIndices.Y, default(Tile)));
}
/// <inheritdoc />
public IMapGrid FindGridAt(GridLocalCoordinates worldPos)
{
var pos = worldPos.ToWorld().Position;
return(FindGridAt(pos));
}
/// <inheritdoc />
public GridLocalCoordinates LocalToWorld(GridLocalCoordinates posLocal)
{
return(new GridLocalCoordinates(posLocal.Position + WorldPosition, posLocal.MapID));
}
/// <inheritdoc />
public void SetTile(GridLocalCoordinates worldPos, ushort tileId, ushort tileData = 0)
{
SetTile(worldPos, new Tile(tileId, tileData));
}
/// <inheritdoc />
public void SetTile(GridLocalCoordinates worldPos, Tile tile)
{
var localTile = WorldToTile(worldPos);
SetTile(localTile.X, localTile.Y, tile);
}
public void RemoveFromSnapGridCell(GridLocalCoordinates worldPos, SnapGridOffset offset, SnapGridComponent snap)
{
RemoveFromSnapGridCell(SnapGridCellFor(worldPos, offset), offset, snap);
}
public void AddToSnapGridCell(GridLocalCoordinates worldPos, SnapGridOffset offset, SnapGridComponent snap)
{
AddToSnapGridCell(SnapGridCellFor(worldPos, offset), offset, snap);
}
public IEnumerable <SnapGridComponent> GetSnapGridCell(GridLocalCoordinates worldPos, SnapGridOffset offset)
{
return(GetSnapGridCell(SnapGridCellFor(worldPos, offset), offset));
}
