public StripRegistrationResult RegisterStrip(StripSide leader)
{
Preconditions.Assert(
Math.Abs(leader.NormalizedMarginUvOfTerrain.x) < 0.00001f &&
Math.Abs(leader.NormalizedMarginUvOfTerrain.y - 1) < 0.00001f,
"Leader's marginUv must be 0-1, but is " + leader.NormalizedMarginUvOfTerrain);
for (int i = 0; i < _stripColumns.Length; i++)
{
var column = _stripColumns[i];
if (column.HasEmptyStrip)
{
var stripInColumnIndex = column.AllocateStrip(leader);
return(new StripRegistrationResult()
{
StripPosition =
new WeldStripPosition()
{
ColumnIndex = i,
StripInColumnIndex = stripInColumnIndex
},
WeldUvs = TerrainWeldUvs.CreateFrom(leader.WeldSideType,
CreateNormalizedWeldRange(
CalculateWeldRange(stripInColumnIndex, leader.NormalizedMarginUvOfTerrain), i))
});
}
}
Preconditions.Fail("E22. There are no empty strips");
return(null);
}
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)));
}
