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Update DrawnLine & Plane to allow line addition.

This commit is contained in:
Starbeamrainbowlabs 2017-01-08 14:45:48 +00:00
parent d8677a6e4b
commit b35a11a2ee
2 changed files with 71 additions and 2 deletions

View file

@ -1,5 +1,6 @@
using System;
using System.Collections.Generic;
using System.Linq;
namespace Nibriboard.RippleSpace
{
/// <summary>
@ -7,6 +8,25 @@ namespace Nibriboard.RippleSpace
/// </summary>
public class DrawnLine
{
/// <summary>
/// The id of line that this <see cref="Nibriboard.RippleSpace.DrawnLine" /> is part of.
/// Note that this id may not be unique - several lines that were all
/// drawn at once may also have the same id. This is such that a single
/// line that was split across multiple chunks can still be referenced.
/// </summary>
public readonly Guid LineId;
/// <summary>
/// The width of the line.
/// </summary>
public int LineWidth;
/// <summary>
/// The colour of the line.
/// </summary>
public string Colour;
/// <summary>
/// The points that represent the line.
/// </summary>
public List<LocationReference> Points = new List<LocationReference>();
/// <summary>
@ -39,9 +59,41 @@ namespace Nibriboard.RippleSpace
}
}
public DrawnLine()
public DrawnLine() : this(Guid.NewGuid())
{
}
protected DrawnLine(Guid inLineId)
{
LineId = inLineId;
}
public List<DrawnLine> SplitOnChunks(int chunkSize)
{
List<DrawnLine> results = new List<DrawnLine>();
// Don't bother splitting the line up if it all falls in the same chunk
if (!SpansMultipleChunks)
{
results.Add(this);
return results;
}
DrawnLine nextLine = new DrawnLine();
ChunkReference currentChunk = null;
foreach(LocationReference point in Points)
{
if(currentChunk != null && point.ContainingChunk != currentChunk)
{
// We're heading into a new chunk! Split the line up here.
// TODO: Add connecting lines to each DrawnLine instance to prevent gaps
results.Add(nextLine);
nextLine = new DrawnLine(LineId);
}
nextLine.Points.Add(point);
}
return results;
}
}
}

View file

@ -65,5 +65,22 @@ namespace Nibriboard.RippleSpace
return loadedChunk;
}
public async Task AddLine(DrawnLine newLine)
{
List<DrawnLine> chunkedLine;
// Split the line up into chunked pieces if neccessary
if(newLine.SpansMultipleChunks)
chunkedLine = newLine.SplitOnChunks(ChunkSize);
else
chunkedLine = new List<DrawnLine>() { newLine };
// Add each segment to the appropriate chunk
foreach(DrawnLine newLineSegment in chunkedLine)
{
Chunk containingChunk = await FetchChunk(newLineSegment.ContainingChunk);
containingChunk.Add(newLineSegment);
}
}
}
}