void Paint(Vector3 AtPosition, int id = 0)
{
int BrushPaintType = SelectedBrush;
if (Smooth)
{
BrushPaintType = 2; // Smooth
}
int hmWidth = ScmapEditor.Current.Teren.terrainData.heightmapWidth;
int hmHeight = ScmapEditor.Current.Teren.terrainData.heightmapHeight;
Vector3 tempCoord = ScmapEditor.Current.Teren.gameObject.transform.InverseTransformPoint(AtPosition);
Vector3 coord = Vector3.zero;
coord.x = tempCoord.x / ScmapEditor.Current.Teren.terrainData.size.x;
//coord.y = tempCoord.y / ScmapEditor.Current.Teren.terrainData.size.y;
coord.z = tempCoord.z / ScmapEditor.Current.Teren.terrainData.size.z;
if (coord.x > 1)
{
return;
}
if (coord.x < 0)
{
return;
}
if (coord.z > 1)
{
return;
}
if (coord.z < 0)
{
return;
}
// get the position of the terrain heightmap where this game object is
int posXInTerrain = (int)(coord.x * hmWidth);
int posYInTerrain = (int)(coord.z * hmHeight);
// we set an offset so that all the raising terrain is under this game object
int size = BrushSize.intValue;
if (BrushPaintType == 2 && size < 8)
{
size = 8;
}
int offset = size / 2;
// get the heights of the terrain under this game object
// Horizontal Brush Offsets
int OffsetLeft = 0;
if (posXInTerrain - offset < 0)
{
OffsetLeft = Mathf.Abs(posXInTerrain - offset);
}
int OffsetRight = 0;
if (posXInTerrain - offset + size > ScmapEditor.Current.Teren.terrainData.heightmapWidth)
{
OffsetRight = posXInTerrain - offset + size - ScmapEditor.Current.Teren.terrainData.heightmapWidth;
}
// Vertical Brush Offsets
int OffsetDown = 0;
if (posYInTerrain - offset < 0)
{
OffsetDown = Mathf.Abs(posYInTerrain - offset);
}
int OffsetTop = 0;
if (posYInTerrain - offset + size > ScmapEditor.Current.Teren.terrainData.heightmapWidth)
{
OffsetTop = posYInTerrain - offset + size - ScmapEditor.Current.Teren.terrainData.heightmapWidth;
}
//float[,] heights = ScmapEditor.Current.Teren.terrainData.GetHeights(posXInTerrain - offset + OffsetLeft, posYInTerrain - offset + OffsetDown, (size - OffsetLeft) - OffsetRight, (size - OffsetDown) - OffsetTop);
int GetX = posXInTerrain - offset + OffsetLeft;
int GetY = posYInTerrain - offset + OffsetDown;
int SizeDown = (size - OffsetDown) - OffsetTop;
int SizeLeft = (size - OffsetLeft) - OffsetRight;
ScmapEditor.GetValues(GetX, GetY, SizeDown, SizeLeft);
float CenterHeight = 0;
int i = 0;
int j = 0;
int x = 0;
int y = 0;
float SampleBrush = 0;
float PixelPower = 0;
if (SelectedBrush == 1)
{
float Count = 0;
for (i = 0; i < ScmapEditor.LastGetWidth; i++)
{
for (j = 0; j < ScmapEditor.LastGetHeight; j++)
{
// Brush strength
x = (int)(((i + OffsetDown) / (float)size) * BrushGenerator.Current.PaintImageWidths[id]);
y = (int)(((j + OffsetLeft) / (float)size) * BrushGenerator.Current.PaintImageHeights[id]);
if (x < 0 || y < 0 || x >= BrushGenerator.Current.PaintImageWidths[id] || y >= BrushGenerator.Current.PaintImageHeights[id])
{
continue;
}
SampleBrush = Mathf.Clamp01(BrushGenerator.Current.Values[id][y + BrushGenerator.Current.PaintImageHeights[id] * x] - 0.0255f);
CenterHeight += ScmapEditor.ReturnValues[i, j] * SampleBrush;
Count += SampleBrush;
}
}
CenterHeight /= Count;
}
else if (SelectedBrush == 3)
{
float Count = 0;
for (i = 0; i < ScmapEditor.LastGetWidth; i++)
{
for (j = 0; j < ScmapEditor.LastGetHeight; j++)
{
// Brush strength
x = (int)(((i + OffsetDown) / (float)size) * BrushGenerator.Current.PaintImageWidths[id]);
y = (int)(((j + OffsetLeft) / (float)size) * BrushGenerator.Current.PaintImageHeights[id]);
if (x < 0 || y < 0 || x >= BrushGenerator.Current.PaintImageWidths[id] || y >= BrushGenerator.Current.PaintImageHeights[id])
{
continue;
}
SampleBrush = Mathf.Clamp01(BrushGenerator.Current.Values[id][y + BrushGenerator.Current.PaintImageHeights[id] * x] - 0.0255f);
CenterHeight += ScmapEditor.ReturnValues[i, j] * SampleBrush;
Count += SampleBrush;
}
}
CenterHeight /= Count;
}
float TargetHeight = Mathf.Clamp(((Invert?(256):(BrushTarget.value)) / ScmapEditor.Current.Data.size.y) / 10f, Min, Max);
float BrushStrenghtValue = BrushStrength.value;
//float PaintStrength = BrushStrenghtValue * 0.00005f * (Invert ? (-1) : 1);
float StrengthMultiplier = 1;
switch (BrushPaintType)
{
case 1: // Flatten
StrengthMultiplier = BrushGenerator.Current.HeightmapBlurStrength.Evaluate(BrushStrenghtValue) * 0.00008f;
break;
case 2: // Smooth
StrengthMultiplier = BrushGenerator.Current.HeightmapBlurStrength.Evaluate(BrushStrenghtValue) * Mathf.Clamp(size / 10f, 0, 20) * 0.01f;
break;
case 3: // Sharp
StrengthMultiplier = BrushGenerator.Current.HeightmapBlurStrength.Evaluate(BrushStrenghtValue) * 0.00008f;
break;
default:
StrengthMultiplier = BrushGenerator.Current.HeightmapPaintStrength.Evaluate(BrushStrenghtValue) * 0.00008f * (Invert ? (-1) : 1);
break;
}
//float SizeSmooth = Mathf.Clamp01(size / 10f) * 15;
for (i = 0; i < ScmapEditor.LastGetWidth; i++)
{
for (j = 0; j < ScmapEditor.LastGetHeight; j++)
{
// Brush strength
x = (int)(((i + OffsetDown) / (float)size) * BrushGenerator.Current.PaintImageWidths[id]);
y = (int)(((j + OffsetLeft) / (float)size) * BrushGenerator.Current.PaintImageHeights[id]);
if (x < 0 || y < 0 || x >= BrushGenerator.Current.PaintImageWidths[id] || y >= BrushGenerator.Current.PaintImageHeights[id])
{
continue;
}
SampleBrush = Mathf.Clamp01(BrushGenerator.Current.Values[id][y + BrushGenerator.Current.PaintImageHeights[id] * x] - 0.0255f);
if (SampleBrush > 0)
{
//if (i < 0 || j < 0 || i >= ScmapEditor.LastGetWidth || j >= ScmapEditor.LastGetHeight)
// continue;
switch (BrushPaintType)
{
case 1: // Flatten
PixelPower = Mathf.Pow(Mathf.Abs(ScmapEditor.ReturnValues[i, j] - CenterHeight), 0.454545f) + 1;
PixelPower /= 2f;
//if (PixelPower < 0.001f)
// heights[i, j] = CenterHeight;
//else {
//float FlattenStrenght = PixelPower * StrengthMultiplier * Mathf.Pow(SampleBrush, 2);
//heights[i, j] += FlattenStrenght;
ScmapEditor.ReturnValues[i, j] = MoveToValue(ScmapEditor.ReturnValues[i, j], CenterHeight, StrengthMultiplier * SampleBrush * PixelPower, 0, ScmapEditor.MaxElevation);
//}
break;
case 2: // Smooth
CenterHeight = GetNearValues(ref ScmapEditor.ReturnValues, i, j);
PixelPower = Mathf.Pow(Mathf.Abs(ScmapEditor.ReturnValues[i, j] - CenterHeight), 0.454545f) + 1;
PixelPower /= 2f;
//PixelPower = 10;
//heights[i, j] = Mathf.Lerp(heights[i, j], CenterHeight, BrushStrenghtValue * Mathf.Pow(SampleBrush, 2) * PixelPower);
ScmapEditor.ReturnValues[i, j] = Mathf.Lerp(ScmapEditor.ReturnValues[i, j], CenterHeight, PixelPower * StrengthMultiplier * Mathf.Pow(SampleBrush, 2));
break;
case 3: // Sharp
PixelPower = Mathf.Pow(Mathf.Abs(ScmapEditor.ReturnValues[i, j] - CenterHeight), 0.454545f) + 1;
PixelPower /= 2f;
//heights[i, j] += Mathf.Lerp(PixelPower, 0, PixelPower * 10) * BrushStrenghtValue * 0.01f * Mathf.Pow(SampleBrush, 2);
ScmapEditor.ReturnValues[i, j] = MoveToValue(ScmapEditor.ReturnValues[i, j], CenterHeight, -StrengthMultiplier * SampleBrush * PixelPower, Min, Max);
break;
default:
//heights[i, j] += SampleBrush * StrengthMultiplier;
ScmapEditor.ReturnValues[i, j] = MoveToValue(ScmapEditor.ReturnValues[i, j], TargetHeight, SampleBrush * StrengthMultiplier, Min, Max);
break;
}
}
}
}
// set the new height
if (!TerainChanged)
{
ScmapEditor.GetAllHeights(ref beginHeights);
TerainChanged = true;
}
//ScmapEditor.Current.Teren.terrainData.SetHeightsDelayLOD(posXInTerrain - offset + OffsetLeft, posYInTerrain - offset + OffsetDown, heights);
ScmapEditor.ApplyChanges(GetX, GetY);
//Markers.MarkersControler.UpdateMarkersHeights();
OnTerrainChanged();
}
