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 int AllocateStrip(StripSide leader)
{
Preconditions.Assert(HasEmptyStrip, "There is no empty strip in this column");
for (int i = 0; i < _strips.Length; i++)
{
if (_strips[i] == null)
{
_strips[i] = new WeldStrip()
{
Leader = leader,
Followers = new List <StripSide>()
};
return(i);
}
}
Preconditions.Fail("E46 Not expected");
return(-1);
}
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)));
}
private static WeldTextureDrawingSideInfo CreateDrawingSideInfo(StripSide leader,
Vector2 normalizedMarginUvOfTerrain)
{
var texSize = new Vector2(leader.HeightTexture.Size.X - 1, leader.HeightTexture.Size.Y - 1);
texSize = new Vector2(texSize.x / Mathf.Pow(2, leader.Lod), texSize.y / Mathf.Pow(2, leader.Lod));
var texAreaUvd = RectangleUtils.CalculateSubPosition(new MyRectangle(0, 0, texSize.x, texSize.y),
leader.HeightTextureUvs);
var constantCoord = 0;
if (leader.WeldSideType == WeldSideType.Right)
{
constantCoord = Mathf.RoundToInt(texAreaUvd.MaxX);
}
else if (leader.WeldSideType == WeldSideType.Left)
{
constantCoord = Mathf.RoundToInt(texAreaUvd.X);
}
else if (leader.WeldSideType == WeldSideType.Top)
{
constantCoord = Mathf.RoundToInt(texAreaUvd.MaxY);
}
else if (leader.WeldSideType == WeldSideType.Bottom)
{
constantCoord = Mathf.RoundToInt(texAreaUvd.Y);
}
Vector2 baseFullSideRange;
if (leader.WeldSideType.GetOrientation() == WeldOrientation.Horizontal)
{
baseFullSideRange = new Vector2(texAreaUvd.X, texAreaUvd.MaxX);
}
else
{
baseFullSideRange = new Vector2(texAreaUvd.Y, texAreaUvd.MaxY);
}
baseFullSideRange = VectorUtils.CalculateSubPosition(baseFullSideRange, normalizedMarginUvOfTerrain);
var leaderSideLength = Mathf.RoundToInt(texAreaUvd.Width);
if (leaderSideLength % 5 == 1)
{
leaderSideLength--; //change 241 to 240 etc
}
//leaderSideLength /= Mathf.RoundToInt(Mathf.Pow(2, leader.Lod));
int samplingDistance = 240 / leaderSideLength;
WeldTextureDrawingSideInfo firstSideInfo = new WeldTextureDrawingSideInfo()
{
ConstantCoord = constantCoord,
FullLodSidePixelsRange = new IntVector2(Mathf.RoundToInt(baseFullSideRange.x),
Mathf.RoundToInt(baseFullSideRange.y + 1)),
HeightTexture = leader.HeightTexture,
LodLevel = leader.Lod,
SamplingDistance = samplingDistance,
SideType = leader.WeldSideType
};
return(firstSideInfo);
}
