private TerrainSidePixelChangesInfo CalculateSideChangedPixelsShaderRange(
WeldTextureDrawingSideInfo orderFirstSideInfo, int samplingDistance)
{
return(new TerrainSidePixelChangesInfo()
{
IsVertical = (orderFirstSideInfo.SideType.GetOrientation() == WeldOrientation.Vertical ? 1 : 0),
ConstantCoord = orderFirstSideInfo.ConstantCoord,
SamplingDistance = samplingDistance,
Range1 = orderFirstSideInfo.FullLodSidePixelsRange.X,
Range2 = orderFirstSideInfo.FullLodSidePixelsRange.Y,
Lod = orderFirstSideInfo.LodLevel
});
}
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);
}
