public Serializable2DFloatArray GetArrayFromMask(WorldStampCreator parent)
{
GridSize = WorldStampCreator.GetMinGridSize(parent.Template.Bounds, parent.Template.Terrain);
var bounds = parent.Template.Bounds;
var width = Mathf.CeilToInt(bounds.size.x / GridSize);
var height = Mathf.CeilToInt(bounds.size.z / GridSize);
var array = new Serializable2DFloatArray(width, height);
for (var u = 0; u < width; u++)
{
for (var v = 0; v < height; v++)
{
var pos = new Vector3((u / (float)width) * bounds.size.x, bounds.size.y / 2, (v / (float)height) * bounds.size.z);
var cell = GridManager.GetCell(pos);
var cellMax = GridManager.GetCellMax(cell).x0z() + bounds.min;
var cellMin = GridManager.GetCellCenter(cell).x0z() + bounds.min;
if (!bounds.Contains(cellMax) || !bounds.Contains(cellMin))
{
continue;
}
var val = Mask.GetValue(cell);
array[u, v] = val;
}
}
return(array);
}
private void FillMaskFromMinY(Bounds bounds, Terrain terrain, Serializable2DFloatArray heights, Vector2 minY)
{
Mask.Clear();
GridSize = WorldStampCreator.GetMinGridSize(bounds, terrain);
for (var u = GridSize / 2f; u < bounds.size.x; u += GridSize)
{
for (var v = GridSize / 2f; v < bounds.size.z; v += GridSize)
{
var cell = GridManager.GetCell(new Vector3(u, 0, v));
var cellMax = GridManager.GetCellMax(cell).x0z() + bounds.min;
var cellMin = GridManager.GetCellCenter(cell).x0z() + bounds.min;
if (!bounds.Contains(cellMax) || !bounds.Contains(cellMin))
{
continue;
}
var h = heights.BilinearSample(new Vector2(u / bounds.size.z, v / bounds.size.x)) * bounds.size.y;
if (h < minY.x)
{
Mask.SetValue(cell, 0);
}
else if (h <= minY.y)
{
Mask.SetValue(cell, (h - minY.x) / (minY.y - minY.x));
}
else
{
Mask.SetValue(cell, 1);
}
}
}
}
public Texture2D GetTextureFromMask(WorldStampCreator parent)
{
GridSize = WorldStampCreator.GetMinGridSize(parent.Template.Bounds, parent.Template.Terrain);
var bounds = parent.Template.Bounds;
var width = Mathf.CeilToInt(bounds.size.x / GridSize);
var height = Mathf.CeilToInt(bounds.size.z / GridSize);
var tex = new Texture2D(width, height);
for (var u = 0; u < width; u++)
{
for (var v = 0; v < height; v++)
{
var pos = new Vector3((u / (float)width) * bounds.size.x, bounds.size.y / 2, (v / (float)height) * bounds.size.z);
var cell = GridManager.GetCell(pos);
var cellMax = GridManager.GetCellMax(cell).x0z() + bounds.min;
var cellMin = GridManager.GetCellCenter(cell).x0z() + bounds.min;
if (!bounds.Contains(cellMax) || !bounds.Contains(cellMin))
{
continue;
}
var val = Mask.GetValue(cell);
tex.SetPixel(u, v, Color.Lerp(Color.black, Color.white, val));
}
}
tex.Apply();
return(tex);
}
protected override void PreviewInSceneInternal(WorldStampCreator parent)
{
var bounds = parent.Template.Bounds;
if (_maskPainter == null)
{
_maskPainter = new Painter(Mask, GridManager);
_maskPainter.Ramp = new Gradient()
{
colorKeys = new[] { new GradientColorKey(Color.red, 0), new GradientColorKey(Color.black, 0.001f), new GradientColorKey(Color.black, 1), },
alphaKeys = new[] { new GradientAlphaKey(1, 0), new GradientAlphaKey(0, 1), }
};
_maskPainter.Rect = new Rect(bounds.min.xz(), bounds.size.xz());
}
else
{
GridSize = WorldStampCreator.GetMinGridSize(bounds, parent.Template.Terrain);
_maskPainter.GridManager = GridManager;
_maskPainter.Canvas = Mask;
_maskPainter.MaxValue = 1;
_maskPainter.MinValue = 0;
_maskPainter.Rect = new Rect(Vector2.zero, bounds.size.xz());
_maskPainter.TRS = Matrix4x4.TRS(bounds.min, Quaternion.identity, Vector3.one);
//_maskPainter.Repaint();
_maskPainter.PaintingEnabled = true;
_maskPainter.OnSceneGUI();
}
}
private void ResetMask(Bounds bounds, Terrain terrain)
{
Mask.Clear();
GridSize = WorldStampCreator.GetMinGridSize(bounds, terrain);
for (var u = GridSize / 2f; u < bounds.size.x; u += GridSize)
{
for (var v = GridSize / 2f; v < bounds.size.z; v += GridSize)
{
var cell = GridManager.GetCell(new Vector3(u, 0, v));
var cellMax = GridManager.GetCellMax(cell).x0z() + bounds.min;
var cellMin = GridManager.GetCellCenter(cell).x0z() + bounds.min;
if (!bounds.Contains(cellMax) || !bounds.Contains(cellMin))
{
continue;
}
Mask.SetValue(cell, 1);
}
}
LastBounds = bounds;
}
public void SetMaskFromTexture(WorldStampCreator parent, Texture2D tex)
{
GridSize = WorldStampCreator.GetMinGridSize(parent.Template.Bounds, parent.Template.Terrain);
Mask.Clear();
for (var u = 0f; u < parent.Template.Bounds.size.x; u += GridSize)
{
for (var v = 0f; v < parent.Template.Bounds.size.z; v += GridSize)
{
var cell = GridManager.GetCell(new Vector3(u, 0, v));
var cellMax = GridManager.GetCellMax(cell).x0z() + parent.Template.Bounds.min;
var cellMin = GridManager.GetCellCenter(cell).x0z() + parent.Template.Bounds.min;
if (!parent.Template.Bounds.Contains(cellMax) || !parent.Template.Bounds.Contains(cellMin))
{
continue;
}
var val = tex.GetPixelBilinear(u / parent.Template.Bounds.size.x, v / parent.Template.Bounds.size.z).grayscale;
Mask.SetValue(cell, val);
}
}
}
public void SetMaskFromArray(WorldStampCreator parent, Serializable2DFloatArray mask)
{
GridSize = WorldStampCreator.GetMinGridSize(parent.Template.Bounds, parent.Template.Terrain);
Mask.Clear();
for (var u = GridSize / 2f; u < parent.Template.Bounds.size.x; u += GridSize)
{
for (var v = GridSize / 2f; v < parent.Template.Bounds.size.z; v += GridSize)
{
var cell = GridManager.GetCell(new Vector3(u, 0, v));
var cellMax = GridManager.GetCellMax(cell).x0z() + parent.Template.Bounds.min;
var cellMin = GridManager.GetCellCenter(cell).x0z() + parent.Template.Bounds.min;
if (!parent.Template.Bounds.Contains(cellMax) || !parent.Template.Bounds.Contains(cellMin))
{
continue;
}
var val = mask.BilinearSample(new Vector2(u / parent.Template.Bounds.size.x, v / parent.Template.Bounds.size.z));
Mask.SetValue(cell, val);
}
}
}