public bool RemoveWeld(WeldStripPosition position, int terrainId)
{
var column = _stripColumns[position.ColumnIndex];
var strip = column.GetSegment(position.StripInColumnIndex);
bool removeStrip = false;
if (strip.Followers.Any(c => c.TerrainId == terrainId))
{
strip.Followers.RemoveAll(c => c.TerrainId == terrainId);
if (!strip.Followers.Any())
{
removeStrip = true; // no followers - strip can be removed!
}
}
else if (strip.Leader.TerrainId == terrainId)
{
removeStrip = true;
}
if (removeStrip)
{
column.RemoveStrip(position.StripInColumnIndex);
return(true);
}
else
{
return(false);
}
}
public TerrainWeldUvs AddStipSegment(WeldStripPosition stripPosition, StripSide follower)
{
var strip = _stripColumns[stripPosition.ColumnIndex].GetSegment(stripPosition.StripInColumnIndex);
strip.Followers.Add(follower);
var leader = strip.Leader;
var leaderSideInfo = CreateDrawingSideInfo(leader, follower.NormalizedMarginUvOfTerrain);
var followerSideInfo = CreateDrawingSideInfo(follower, new Vector2(0, 1));
var donorSide = leaderSideInfo;
var acceptorSide = followerSideInfo;
if (follower.WeldSideType.IsDonorSide())
{
donorSide = followerSideInfo;
acceptorSide = leaderSideInfo;
}
var weldRange = CalculateWeldRange(stripPosition.StripInColumnIndex, follower.NormalizedMarginUvOfTerrain);
WeldOnTextureInfo weldInfo = new WeldOnTextureInfo()
{
ColumnIndex = stripPosition.ColumnIndex,
WeldRange = weldRange
};
acceptorSide.SamplingDistance = weldInfo.WeldRange.Length /
(acceptorSide.FullLodSidePixelsRange.Length - 1);
donorSide.SamplingDistance = weldInfo.WeldRange.Length / (donorSide.FullLodSidePixelsRange.Length - 1);
_weldingExecutor.RenderWeld(new WeldTextureDrawingOrder()
{
FirstSideInfo = acceptorSide,
SecondSideInfo = donorSide,
WeldOnTextureInfo = weldInfo
});
return(TerrainWeldUvs.CreateFrom(follower.WeldSideType,
CreateNormalizedWeldRange(weldRange, stripPosition.ColumnIndex)));
}