private ConveyorLineSegment[] Slice(int offset, int length)
{
var copy = new ConveyorLineSegment[length];
Array.Copy(segments, offset, copy, 0, length);
return(copy);
}
public override void Init(World world)
{
segment = new ConveyorLineSegment(machinePos.pos, 3, dh, machinePos.direction.Relative(bend), machinePos.direction);
world.conveyors.AddSegment(segment);
attachment?.Init(world);
base.Init(world);
}
public void RemoveSegment(ConveyorLineSegment segment)
{
var split = Array.IndexOf(segments, segment);
if (split == -1)
{
return;
}
if (split == 0 && segments.Length == 1)
{
builder.ConveyorLineRemove(this);
return;
}
if (split == 0)
{
segments = Slice(1, segments.Length - 1);
}
else if (split == segments.Length - 1)
{
segments = Slice(0, segments.Length - 1);
}
else
{
var part2 = Slice(split + 1, segments.Length - split - 1);
segments = Slice(0, split);
builder.ConveyorLineCreate(new ConveyorLine(builder, part2));
}
Init();
}
private void Increment(int offset, int index, ConveyorLineSegment segment)
{
var prevSegments = segments;
segments = new ConveyorLineSegment[prevSegments.Length + 1];
Array.Copy(prevSegments, 0, segments, offset, prevSegments.Length);
segments[index] = segment;
Init();
}
public ConveyorLine Merge(ConveyorLineSegment segment, ConveyorLineSegment post)
{
var addLine = post.line;
var prevSegments = segments;
segments = new ConveyorLineSegment[prevSegments.Length + 1 + addLine.segments.Length];
Array.Copy(prevSegments, 0, segments, 0, prevSegments.Length);
Array.Copy(addLine.segments, 0, segments, prevSegments.Length + 1, addLine.segments.Length);
segments[prevSegments.Length] = segment;
Init();
return(addLine);
}
public void AddSegment(ConveyorLineSegment segment)
{
ConveyorLineSegment pre = null, post = null;
if (segment.input != Direction.Invalid)
{
var input = new MachinePos(segment.position, segment.input);
input.pos.y += segment.deltaH;
inputs[input] = segment;
outputs.TryGetValue(input.GetConnected(), out pre);
}
if (segment.output != Direction.Invalid)
{
var output = new MachinePos(segment.position, segment.output);
outputs[output] = segment;
inputs.TryGetValue(output.GetConnected(), out post);
}
if (pre == null)
{
if (post == null)
{
ConveyorLineCreate(new ConveyorLine(this, segment));
}
else
{
post.line.Prepend(segment);
}
}
else
{
if (post == null || post.line == pre.line)
{
pre.line.Append(segment);
}
else
{
ConveyorLineRemove(pre.line.Merge(segment, post));
}
}
}
public void RemoveSegment(ConveyorLineSegment segment)
{
segment.line.RemoveSegment(segment);
}
public void Append(ConveyorLineSegment segment)
{
Increment(0, segments.Length, segment);
}
public void Prepend(ConveyorLineSegment segment)
{
Increment(1, 0, segment);
}