private RenderContext CalculateRenderContext(ChunksToRender chunksToRender)
{
if (AffectedChannels.List.Contains(Channel.Mask))
{
return(new RenderContext(Context.Channels.ToImmutable(), RenderCovering.Part, chunksToRender));
}
else
{
return(new RenderContext(AffectedChannels.ToImmutable(), RenderCovering.Part, chunksToRender));
}
}
private ChunksToRender CalculateChunksToRender(Vector2 brushPercentageSize, IEnumerable <Vector3> brushPositions)
{
var result = new ChunksToRender(Context);
var chunkResolution = Context.ChunkResolution.AsInt;
var textureResolution = Context.TextureResolution.AsInt;
var isMultiTile = brushPercentageSize.x > chunkResolution / (float)textureResolution;
foreach (var position in brushPositions)
{
var bottomLeft = new Vector2Int((int)(position.x * textureResolution / chunkResolution),
(int)(position.y * textureResolution / chunkResolution));
var bottomRight = new Vector2Int((int)((position.x + brushPercentageSize.x) * textureResolution / chunkResolution),
(int)(position.y * textureResolution / chunkResolution));
var topLeft = new Vector2Int((int)(position.x * textureResolution / chunkResolution),
(int)((position.y + brushPercentageSize.y) * textureResolution / chunkResolution));
var topRight = new Vector2Int((int)((position.x + brushPercentageSize.x) * textureResolution / chunkResolution),
(int)((position.y + brushPercentageSize.y) * textureResolution / chunkResolution));
if (isMultiTile)
{
for (int x = bottomLeft.x; x <= topRight.x; x++)
{
for (int y = bottomLeft.y; y <= topRight.y; y++)
{
result.AddChunkPosition(new Vector2Int(x, y));
}
}
}
else
{
result.AddChunkPosition(bottomLeft);
result.AddChunkPosition(bottomRight);
result.AddChunkPosition(topLeft);
result.AddChunkPosition(topRight);
}
}
return(result);
}
