public static void Mask(TransitionsList src, TransitionsList dst, MatrixWorld mask, Noise random, bool invert)
/// Adds masked (or unmasked if invert) objects to dst
{
for (int t = 0; t < src.count; t++)
{
Vector3 pos = src.arr[t].pos;
if (pos.x <= mask.worldPos.x && pos.x >= mask.worldPos.x + mask.worldSize.x &&
pos.z <= mask.worldPos.z && pos.z >= mask.worldPos.x + mask.worldSize.z)
{
continue; //do remove out of range objects?
}
float val = mask.GetWorldValue(pos.x, pos.z);
float rnd = random.Random(src.arr[t].hash);
if (val < rnd && invert)
{
dst.Add(src.arr[t]);
}
if (val >= rnd && !invert)
{
dst.Add(src.arr[t]);
}
}
}
public static bool SkipOnBiome (ref Transition trs, BiomeBlend biomeBlend, MatrixWorld biomeMask, Noise random)
/// True if object should not be spawned because of biome mask
/// ref since it can change scale
{
float biomeFactor = biomeMask!=null ? biomeMask.GetWorldInterpolatedValue(trs.pos.x, trs.pos.z) : 1;
if (biomeFactor < 0.00001f) return true;
bool skip;
switch (biomeBlend)
{
case BiomeBlend.Sharp:
skip = biomeFactor < 0.5f;
break;
case BiomeBlend.Random:
float rnd = random.Random((int)trs.pos.x, (int)trs.pos.y); //TODO: use id?
if (biomeFactor > 0.5f) rnd = 1-rnd;
skip = biomeFactor < rnd;
break;
case BiomeBlend.Scale:
trs.scale *= biomeFactor;
skip = biomeFactor < 0.0001f;
break;
case BiomeBlend.Pure:
skip = biomeFactor < 0.9999f;
break;
default: skip = false; break;
}
return skip;
}
public static void Silhouette(SplineSys spline, MatrixWorld strokeMatrix, MatrixWorld dstMatrix)
/// Fills all pixels within closed spline with 1, and all outer pixels with 0
/// Pixels directly in the spline are filled with 0.5
/// Requires the matrix with line stroked. StrokeMatrix and DstMatrix could be the same
{
if (strokeMatrix != dstMatrix)
{
dstMatrix.Fill(strokeMatrix);
}
//and then using dst matrix only
CoordRect rect = dstMatrix.rect;
Coord min = rect.Min; Coord max = rect.Max;
for (int x = min.x; x < max.x; x++)
{
for (int z = min.z; z < max.z; z++)
{
int pos = (z - rect.offset.z) * rect.size.x + x - rect.offset.x;
if (dstMatrix.arr[pos] < 0.01f) //free from stroke and fill
{
Vector3 pixelPos = dstMatrix.PixelToWorld(x, z, center: true);
bool handness = spline.Handness(pixelPos) >= 0;
dstMatrix.PaintBucket(new Coord(x, z), handness ? 0.75f : 0.25f);
}
}
}
}
public void ProcessToFloor(Inlet <SplineSys> splineIn, Outlet <SplineSys> splineOut, TileData data, StopToken stop)
{
SplineSys src = data.ReadInletProduct(splineIn);
MatrixWorld heights = data.ReadInletProduct(heightIn);
if (src == null)
{
return;
}
if (!enabled || heights == null)
{
data.StoreProduct(splineOut, src); return;
}
if (stop != null && stop.stop)
{
return;
}
SplineSys dst = new SplineSys(src);
FloorSplines(dst, heights);
dst.Update();
if (stop != null && stop.stop)
{
return;
}
data.StoreProduct(splineOut, dst);
DebugGizmos.Clear("Spline");
foreach (Segment segment in dst.lines[0].segments)
{
DebugGizmos.DrawLine("Spline", segment.start.pos, segment.end.pos, Color.white, additive: true);
}
}
public object Read(CoordRect worldRect, float worldHeight, CoordRect pixelRect)
{
MatrixWorld matrix = new MatrixWorld(pixelRect, worldRect.offset.vector2d, worldRect.size.vector2d, worldHeight);
matrix.ImportData(terrain.terrainData, channel);
return(matrix);
}
public static void Floor(MatrixWorld heights, Spline spline, bool interpolated = true)
/// Drops spline to height matrix
{
for (int n = 0; n < spline.nodes.Length; n++)
{
Vector3 node = spline.nodes[n];
if (node.x <= heights.worldPos.x)
{
node.x = heights.worldPos.x + 0.001f;
}
if (node.x >= heights.worldPos.x + heights.worldSize.x)
{
node.x = heights.worldPos.x + heights.worldSize.x - 0.001f;
}
if (node.z <= heights.worldPos.z)
{
node.z = heights.worldPos.z + 0.001f;
}
if (node.z >= heights.worldPos.z + heights.worldSize.z)
{
node.z = heights.worldPos.z + heights.worldSize.z - 0.001f;
}
float height = interpolated ?
heights.GetWorldInterpolatedValue(node.x, node.z) :
heights.GetWorldValue(node.x, node.z);
spline.nodes[n].y = height * heights.worldSize.y;
}
}
public static void Stroke(Spline spline, MatrixWorld matrix,
bool white = false, float intensity = 1,
bool antialiased = false, bool padOnePixel = false)
/// Draws a line on matrix
/// White will fill the line with 1, when disabled it will use spline height
/// PaddedOnePixel works similarly to AA, but fills border pixels with full value (to create main tex for the mask)
{
Vector3 startPos = spline.nodes[0];
Vector3 prevCoord = matrix.WorldToPixelInterpolated(startPos.x, startPos.z);
float prevHeight = white ? intensity : (startPos.y / matrix.worldSize.y);
for (int n = 0; n < spline.nodes.Length; n++)
{
Vector3 pos = spline.nodes[n];
float posHeight = white ? intensity : (pos.y / matrix.worldSize.y);
pos = matrix.WorldToPixelInterpolated(pos.x, pos.z);
matrix.Line(
new Vector2(prevCoord.x, prevCoord.z),
new Vector2(pos.x, pos.z),
prevHeight,
posHeight,
antialised: antialiased,
paddedOnePixel: padOnePixel,
endInclusive: n == spline.nodes.Length - 1);
prevCoord = pos;
prevHeight = posHeight;
}
}
public static void Silhouette(SplineSys spline, MatrixWorld matrix, bool strokePrepared = false)
/// Fills all pixels within closed spline with 1, and all outer pixels with 0
/// Pixels directly in the spline are filled with 0.5
/// Requires an empty matrix (can use matrix with the stroke, in this case strokePrepared should be set to true)
{
if (!strokePrepared)
{
Stroke(spline, matrix, white: true, intensity: 0.5f, antialiased: false, padOnePixel: false);
}
CoordRect rect = matrix.rect;
Coord min = rect.Min; Coord max = rect.Max;
for (int x = min.x; x < max.x; x++)
{
for (int z = min.z; z < max.z; z++)
{
int pos = (z - rect.offset.z) * rect.size.x + x - rect.offset.x;
if (matrix.arr[pos] < 0.01f) //free from stroke and fill
{
Vector3 pixelPos = matrix.PixelToWorld(x, z, center: true);
bool handness = spline.Handness(pixelPos) >= 0;
matrix.PaintBucket(new Coord(x, z), handness ? 0.75f : 0.25f);
}
}
}
}
public static void Silhouette(Spline[] splines, MatrixWorld strokeMatrix, MatrixWorld dstMatrix)
/// Fills all pixels within closed spline with 1, and all outer pixels with 0
/// Pixels directly in the spline are filled with 0.5
/// Requires the matrix with line stroked. StrokeMatrix and DstMatrix could be the same
{
DebugGizmos.Clear("Slhuette");
if (strokeMatrix != dstMatrix)
{
dstMatrix.Fill(strokeMatrix);
}
//and then using dst matrix only
CoordRect rect = dstMatrix.rect;
Coord min = rect.Min; Coord max = rect.Max;
for (int x = min.x; x < max.x; x++)
{
for (int z = min.z; z < max.z; z++)
{
int pos = (z - rect.offset.z) * rect.size.x + x - rect.offset.x;
if (dstMatrix.arr[pos] < 0.01f) //free from stroke and fill
{
Vector2D pixelPos = (Vector2D)dstMatrix.PixelToWorld(x, z);
bool handness = Spline.Handness(splines, pixelPos) >= 0;
DebugGizmos.DrawDot("Slhuette", (Vector3)pixelPos, 6, color: handness ? Color.red : Color.green, additive: true);
dstMatrix.PaintBucket(new Coord(x, z), handness ? 0.75f : 0.25f);
}
}
}
}
public static void PaintBucket(this MatrixWorld matrix, Coord coord, float val, float threshold = 0.0001f, int maxIterations = 10)
/// Like a paintBucket tool in photoshop
/// Fills all zero (lower than threshold) values with val, until meets borders
/// Doesnt guarantee filling (areas after the corner could be missed)
/// Use threshold to change between mask -1 or 0
/// TODO: to matrix ops
{
CoordRect rect = matrix.rect;
Coord min = rect.Min; Coord max = rect.Max;
MatrixOps.Stripe stripe = new MatrixOps.Stripe(Mathf.Max(rect.size.x, rect.size.z));
stripe.length = rect.size.x;
matrix[coord] = -256; //starting mask
//first vertical spread is one row-only
MatrixOps.ReadRow(stripe, matrix, coord.x, matrix.rect.offset.z);
PaintBucketMaskStripe(stripe, threshold);
MatrixOps.WriteRow(stripe, matrix, coord.x, matrix.rect.offset.z);
for (int i = 0; i < maxIterations; i++) //ten tries, but hope it will end before that
{
bool change = false;
//horizontally
for (int z = min.z; z < max.z; z++)
{
MatrixOps.ReadLine(stripe, matrix, rect.offset.x, z);
change = PaintBucketMaskStripe(stripe, threshold) || change;
MatrixOps.WriteLine(stripe, matrix, rect.offset.x, z);
}
//vertically
for (int x = min.x; x < max.x; x++)
{
MatrixOps.ReadRow(stripe, matrix, x, matrix.rect.offset.z);
change = PaintBucketMaskStripe(stripe, threshold) || change;
MatrixOps.WriteRow(stripe, matrix, x, matrix.rect.offset.z);
}
if (!change)
{
break;
}
//if (i==maxIterations-1 && !change)
// Debug.Log("Reached max iterations");
}
//filling masked values with val
for (int i = 0; i < matrix.arr.Length; i++)
{
if (matrix.arr[i] < -255)
{
matrix.arr[i] = val;
}
}
}
public static void Silhouette(SplineSys spline, MatrixWorld matrix)
/// Fills all pixels within closed spline with 1, and all outer pixels with 0
/// Pixels directly in the spline are filled with 0.5
/// Internally strokes matrix first
{
Stroke(spline, matrix, white: true, intensity: 0.5f, antialiased: false, padOnePixel: false);
Silhouette(spline, matrix, matrix);
}
public void SetBiomeMask(MatrixWorld mask, MatrixWorld parentBiomeMask)
{
currentBiomeMask = new MatrixWorld(mask); //setting a copy since generate will compare with previously applied one
if (parentBiomeMask != null)
{
currentBiomeMask.Multiply(parentBiomeMask);
}
}
public object Read(CoordRect worldRect, float worldHeight, CoordRect pixelRect)
{
MatrixWorld matrix = new MatrixWorld(pixelRect, worldRect.offset.vector2d, worldRect.size.vector2d, worldHeight);
float[,] arr2D = terrain.terrainData.GetHeights(0, 0, terrain.terrainData.heightmapResolution, terrain.terrainData.heightmapResolution);
matrix.ImportHeights(arr2D);
return(matrix);
}
private void createStage()
{
for (int i = 0; i < MatrixWorld.Count(); i++)
{
Floor.Draw(MatrixWorld[i], Camera.View, Camera.Projection);
}
// worldMatrix=generarCubosRectos(4);
// Floor.draw();
}
public TileData(TileData src)
{
area = src.area;
globals = src.globals;
isPreview = src.isPreview;
isDraft = src.isDraft;
random = src.random;
currentBiomeMask = src.currentBiomeMask;
}
public void SetObject(MatrixWorld matrix, Area area)
{
this.matrix = matrix;
this.activeRect = area.active.rect;
this.margins = area.Margins;
Stage = PreviewStage.Generating;
ThreadManager.Enqueue(ExecuteInThread, priority: -1000);
}
public void SetObject(TransitionsList posTab, MatrixWorld heights, Area area)
{
this.trns = posTab;
this.heights = heights;
this.worldPos = (Vector3)area.active.worldPos;
this.worldSize = (Vector3)area.active.worldSize;
Stage = PreviewStage.Generating;
ThreadManager.Enqueue(ExecuteInThread, priority: -1000);
}
private static Vector3 GetMoveVector(MatrixWorld heights,
Vector3 prev, Vector3 node, Vector3 next,
float thisWeight, int evalCount, float evalStep, SerpentineFactors factors)
{
Vector3 tan = (next - prev).normalized;
Vector3 perp = Vector3.Cross(tan, Vector3.up);
Vector3 minNode = node;
float minWeight = thisWeight;
float lWeights = 0;
float rWeights = 0;
float topLeftRating = 0;
float topRightRating = 0;
for (int p = 1; p <= evalCount; p++)
{
Vector3 lNode = node + perp * (evalStep * p);
lNode.y = heights.GetWorldInterpolatedValue(lNode.x, lNode.z) * heights.worldSize.y;
float lRating = GetNodeWeight(prev, lNode, next, factors, heights.worldSize.y);
//lWeight = lWeight*(1-(float)p/evalCount) + thisWeight*((float)p/evalCount);
lWeights += lRating;
if (lRating > topLeftRating)
{
topLeftRating = lRating;
}
Vector3 rNode = node - perp * (evalStep * p);
rNode.y = heights.GetWorldInterpolatedValue(rNode.x, rNode.z) * heights.worldSize.y;
float rRating = GetNodeWeight(prev, rNode, next, factors, heights.worldSize.y);
//rWeight = rWeight*(1-(float)p/evalCount) + thisWeight*((float)p/evalCount);
rWeights += rRating;
if (rRating > topRightRating)
{
topRightRating = rRating;
}
}
//return perp*(lWeights-rWeights);
//return perp*(topLeftWeight-topRightWeight);
if (topLeftRating > topRightRating && topLeftRating > thisWeight)
{
return(perp * (topLeftRating - thisWeight));
}
else if (topRightRating > topLeftRating && topRightRating > thisWeight)
{
return(-perp * (topRightRating - thisWeight));
}
else
{
return(Vector3.zero);
}
}
public static void FloorSplines(SplineSys dst, MatrixWorld heights)
{
foreach (Line line in dst.lines)
{
for (int s = 0; s < line.segments.Length; s++)
{
line.segments[s].start.pos.y = FloorPoint(line.segments[s].start.pos, heights);
}
line.segments[line.segments.Length - 1].end.pos.y = FloorPoint(line.segments[line.segments.Length - 1].end.pos, heights);
}
}
public static void Silhouette(Spline[] splines, MatrixWorld matrix)
/// Fills all pixels within closed spline with 1, and all outer pixels with 0
/// Pixels directly in the spline are filled with 0.5
/// Internally strokes matrix first
{
for (int s = 0; s < splines.Length; s++)
{
Stroke(splines[s], matrix, white: true, intensity: 0.5f, antialiased: false, padOnePixel: false);
}
Silhouette(splines, matrix, matrix);
}
public static void SpreadOrMultiply(MatrixWorld src, MatrixWorld dst, float range)
{
float pixelRange = range / src.PixelSize.x;
if (pixelRange < 1) //if less than a pixel making line less noticable
{
dst.Multiply(pixelRange);
}
else
{
MatrixOps.SpreadLinear(src, dst, subtract: 1f / pixelRange);
}
}
public static void Serpentine(MatrixWorld heights, Spline spline, float segLength, int iterations, SerpentineFactors factors)
{
DebugGizmos.Clear("Serp");
factors.Normalize();
float DistFn(Vector3 n1, Vector3 n2) => Mathf.Sqrt((n1.x - n2.x) * (n1.x - n2.x) + (n1.z - n2.z) * (n1.z - n2.z));
for (int i = 0; i < iterations; i++)
{
tmpIteration = i;
tmpHighlightIteration = iterations - 1;
spline.SubdivideDist(segLength, DistFn);
Floor(heights, spline);
CoordRect rect = heights.rect;
Coord rectMin = heights.rect.offset; Coord rectMax = heights.rect.offset + heights.rect.size;
float pixelSize = heights.PixelSize.x;
Vector3[] newNodes = new Vector3[spline.nodes.Length];
for (int n = 1; n < spline.nodes.Length - 1; n++)
{
//if (n>2) { newNodes[n]=spline.nodes[n]; continue; }
tmpNode = n;
float weight = GetNodeWeight(spline.nodes[n - 1], spline.nodes[n], spline.nodes[n + 1], factors, heights.worldSize.y);
Vector3 moveVector = GetMoveVector(heights,
spline.nodes[n - 1], spline.nodes[n], spline.nodes[n + 1],
weight, 1, heights.PixelSize.x, factors);
newNodes[n] = spline.nodes[n] + moveVector * 3f; //*heights.PixelSize*0.2f;// * (2f/iterations);
if (tmpHighlightIteration == i)
{
DebugGizmos.DrawRay("Serp", newNodes[n], moveVector, Color.yellow, additive: true);
}
}
newNodes[0] = spline.nodes[0];
newNodes[newNodes.Length - 1] = spline.nodes[spline.nodes.Length - 1];
spline.nodes = newNodes;
spline.Weld(segLength / 2, DistFn);
}
}
public void Clear(bool clearApply = true)
/// Clears all of the unnecessary data in playmode
{
products.Clear();
subDatas.Clear();
prepare.Clear();
ready.Clear();
heights = null; //if (heights != null) heights.Clear(); //clear is faster, but tends to miss an error
currentBiomeMask = null; //no Clear since it could be used in other biome
finalize.Clear();
if (clearApply)
{
apply.Clear();
}
}
public static void NormalizeLayers(INormalizableLayer[] layers, TileData data, StopToken stop)
{
//reading products
MatrixWorld[] matrices = new MatrixWorld[layers.Length];
float[] opacities = new float[layers.Length];
if (stop != null && stop.stop)
{
return;
}
for (int i = 0; i < layers.Length; i++)
{
if (stop != null && stop.stop)
{
return;
}
MatrixWorld srcMatrix = data.products.ReadInlet(layers[i]);
if (srcMatrix != null)
{
matrices[i] = new MatrixWorld(srcMatrix);
}
//if (matrices[i] != null)
// matrices[i].Clamp01();
opacities[i] = layers[i].Opacity;
}
//normalizing
if (stop != null && stop.stop)
{
return;
}
matrices.FillNulls(() => new MatrixWorld(data.area.full.rect, (Vector3)data.area.full.worldPos, (Vector3)data.area.full.worldSize));
matrices[0].Fill(1);
Matrix.BlendLayers(matrices, opacities);
//saving products
if (stop != null && stop.stop)
{
return;
}
for (int i = 0; i < layers.Length; i++)
{
data.products[layers[i]] = matrices[i];
}
}
public static void SerpentineUnordered(MatrixWorld heights, Spline spline, float segLength, int iterations, SerpentineFactors factors)
{
DebugGizmos.Clear("Serp");
factors.Normalize();
float DistFn(Vector3 n1, Vector3 n2) => Mathf.Sqrt((n1.x - n2.x) * (n1.x - n2.x) + (n1.z - n2.z) * (n1.z - n2.z));
CoordRect rect = heights.rect;
Coord rectMin = heights.rect.offset; Coord rectMax = heights.rect.offset + heights.rect.size;
float pixelSize = heights.PixelSize.x;
for (int i = 0; i < iterations; i++)
{
spline.SubdivideDist(segLength, DistFn);
Floor(heights, spline);
tmpIteration = i;
tmpHighlightIteration = iterations - 1;
//finding node with lowest rating
float lowestRating = float.MaxValue;
int lowestNum = 0;
for (int n = 1; n < spline.nodes.Length - 1; n++)
{
float rating = GetNodeWeight(spline.nodes[n - 1], spline.nodes[n], spline.nodes[n + 1], factors, heights.worldSize.y);
if (rating < lowestRating)
{
lowestRating = rating;
lowestNum = n;
}
}
tmpNode = lowestNum;
float weight = GetNodeWeight(spline.nodes[lowestNum - 1], spline.nodes[lowestNum], spline.nodes[lowestNum + 1], factors, heights.worldSize.y);
Vector3 moveVector = GetMoveVector(heights,
spline.nodes[lowestNum - 1], spline.nodes[lowestNum], spline.nodes[lowestNum + 1],
weight, 1, heights.PixelSize.x, factors);
spline.nodes[lowestNum] += moveVector; //*heights.PixelSize*0.2f;// * (2f/iterations);
spline.Weld(segLength / 2, DistFn);
}
}
public void Write(object result)
{
MatrixWorld matrix = (MatrixWorld)result;
matrix.ExportTextureRaw(texture);
if (previewInScene)
{
if (previewObj == null)
{
CreateSceneObject();
}
previewObj.transform.position = matrix.worldPos + matrix.worldSize / 2;
previewObj.transform.localScale = new Vector3(matrix.worldSize.x, matrix.worldSize.z, 1);
previewMat.SetTexture("_MainTex", texture);
}
}
public static MatrixWorld Spread(MatrixWorld matrix, float range)
{
MatrixWorld spreadMatrix;
float pixelRange = range / matrix.PixelSize.x;
if (pixelRange < 1) //if less than a pixel making line less noticable
{
spreadMatrix = matrix;
spreadMatrix.Multiply(pixelRange);
}
else //spreading the usual way
{
spreadMatrix = new MatrixWorld(matrix);
MatrixOps.SpreadLinear(matrix, spreadMatrix, subtract: 1f / pixelRange, diagonals: true, quarters: true);
}
return(spreadMatrix);
}
public static Vector3 GetTerrainNormal (float fx, float fz, MatrixWorld heightmap, float heightFactor, float pixelSize)
{
Coord coord = heightmap.WorldToPixel(fx, fz);
int pos = heightmap.rect.GetPos(coord);
float curHeight = heightmap.arr[pos];
float prevXHeight = curHeight;
if (coord.x>=heightmap.rect.offset.x+1) prevXHeight = heightmap.arr[pos-1];
float nextXHeight = curHeight;
if (coord.x<=heightmap.rect.offset.x+heightmap.rect.size.x-1) nextXHeight = heightmap.arr[pos+1];
float prevZHeight = curHeight;
if (coord.z>=heightmap.rect.offset.z+1) prevZHeight = heightmap.arr[pos-heightmap.rect.size.x];
float nextZHeight = curHeight;
if (coord.z<=heightmap.rect.offset.z+heightmap.rect.size.z-1) nextZHeight = heightmap.arr[pos+heightmap.rect.size.z];
return new Vector3((prevXHeight-nextXHeight)*heightFactor, pixelSize*2, (prevZHeight-nextZHeight)*heightFactor).normalized;
}
public static Spline[] Isoline(MatrixWorld matrix, float threshold)
{
List <MetaLine> metaLines = MatrixToMetaLines(matrix, threshold);
List <List <Coord> > lineCoords = WeldMetaLines(metaLines);
Spline[] splines = new Spline[lineCoords.Count];
for (int s = 0; s < splines.Length; s++)
{
Spline spline = new Spline();
List <Coord> coords = lineCoords[s];
splines[s] = spline;
spline.nodes = new Vector3[coords.Count];
for (int n = 0; n < spline.nodes.Length; n++)
{
spline.nodes[n] = matrix.PixelToWorld(coords[n].x - 0.5f, coords[n].z - 0.5f); //-0.5 since it should be between pixels, not in center
}
}
return(splines);
}
public object Read(CoordRect worldRect, float worldHeight, CoordRect pixelRect)
{
CoordRect texRect = new CoordRect(0, 0, texture.width, texture.height);
MatrixWorld texMatrix = new MatrixWorld(texRect, worldRect.offset.vector2d, worldRect.size.vector2d, worldHeight);
texMatrix.ImportTexture(texture, 0);
//resizing if pixel rect differs
MatrixWorld testMatrix;
if (texMatrix.rect.size != pixelRect.size)
{
testMatrix = new MatrixWorld(pixelRect, worldRect.offset.vector2d, worldRect.size.vector2d, worldHeight);
MatrixOps.Resize(texMatrix, testMatrix);
}
else
{
testMatrix = texMatrix;
}
return(testMatrix);
}