private void UpdatePreviewMesh()
{
string meshName = string.Format("{0}_Preview_Mesh", name);
BuildRMesh pBMesh = new BuildRMesh(meshName);
if (_previewMesh == null)
{
_previewMesh = new Mesh();
}
_previewMesh.name = meshName;
if (_settings == null)
{
_settings = BuildRSettings.GetSettings();
}
Vector3 left = new Vector3(-_settings.previewGableWidth * 0.5f, -_settings.previewGableHeight * 0.5f, 0);
Vector3 right = new Vector3(_settings.previewGableWidth * 0.5f, -_settings.previewGableHeight * 0.5f, 0);
GableGenerator.Generate(ref pBMesh, this, left, right, _settings.previewGableHeight, _settings.previewGableThickness, new Vector2());
pBMesh.Build(_previewMesh);
}
public static bool Generate(BuildRMesh mesh, BuildRCollider collider, Vector2[] points, int[] facadeIndices, float roofBaseHeight, IVolume volume, Rect clampUV)
{
Roof design = volume.roof;
OffsetSkeleton offsetPoly = new OffsetSkeleton(points);
offsetPoly.direction = 1;
offsetPoly.Execute();
Shape shape = offsetPoly.shape;
int submesh = mesh.submeshLibrary.SubmeshAdd(design.mainSurface); // surfaceMapping.IndexOf(design.mainSurface);
int wallSubmesh = mesh.submeshLibrary.SubmeshAdd(design.wallSurface); //surfaceMapping.IndexOf(design.wallSurface);
if (shape == null)
{
return(false);
}
List <Edge> edges = new List <Edge>(shape.edges);
List <Edge> baseEdges = new List <Edge>(shape.baseEdges);
float shapeHeight = shape.HeighestPoint();
float designHeight = design.height;
float heightScale = designHeight / shapeHeight;
Vector2 clampUVScale = Vector2.one;
if (clampUV.width > 0)
{
FlatBounds bounds = new FlatBounds();
for (int fvc = 0; fvc < points.Length; fvc++)
{
bounds.Encapsulate(points[fvc]);
}
clampUVScale.x = bounds.width / clampUV.width;
clampUVScale.y = bounds.height / clampUV.height;
}
Dictionary <Node, int> shapeConnectionCount = new Dictionary <Node, int>();
Dictionary <Node, List <Node> > shapeConnections = new Dictionary <Node, List <Node> >();
int edgeCount = edges.Count;
for (int e = 0; e < edgeCount; e++)
{
Edge edge = edges[e];
if (edge.length < Mathf.Epsilon)
{
continue;
}
if (!shapeConnectionCount.ContainsKey(edge.nodeA))
{
shapeConnectionCount.Add(edge.nodeA, 0);//start at zero - we need two edges to make a shape...
shapeConnections.Add(edge.nodeA, new List <Node> {
edge.nodeB
});
}
else
{
shapeConnectionCount[edge.nodeA]++;
if (!shapeConnections[edge.nodeA].Contains(edge.nodeB))
{
shapeConnections[edge.nodeA].Add(edge.nodeB);
}
}
if (!shapeConnectionCount.ContainsKey(edge.nodeB))
{
shapeConnectionCount.Add(edge.nodeB, 0);//start at zero - we need two edges to make a shape...
shapeConnections.Add(edge.nodeB, new List <Node> {
edge.nodeA
});
}
else
{
shapeConnectionCount[edge.nodeB]++;
if (!shapeConnections[edge.nodeB].Contains(edge.nodeA))
{
shapeConnections[edge.nodeB].Add(edge.nodeA);
}
}
}
int baseEdgeCount = baseEdges.Count;
for (int b = 0; b < baseEdgeCount; b++)
{
Edge baseEdge = baseEdges[b];
Node nodeA = baseEdge.nodeA;
Node nodeB = baseEdge.nodeB;
Node currentNode = nodeA;
Node lastNode = nodeB;
int itMax = 50;
List <Node> edgeShape = new List <Node>()
{
nodeA
};
while (currentNode != nodeB)
{
List <Node> nodeConnections = shapeConnections[currentNode];
int nodeConnectionCount = nodeConnections.Count;
float minAngle = Mathf.Infinity;
Node nextNode = null;
Vector2 currentDirection = (currentNode.position - lastNode.position).normalized;
for (int n = 0; n < nodeConnectionCount; n++)
{
Node connectingNode = nodeConnections[n];
if (connectingNode == lastNode)
{
continue;
}
Vector2 nextDirection = (connectingNode.position - currentNode.position).normalized;
float nodeAngle = JMath.SignAngleDirection(currentDirection, nextDirection);
if (nodeAngle < minAngle)
{
minAngle = nodeAngle;
nextNode = connectingNode;
}
}
if (nextNode != null)
{
edgeShape.Add(nextNode);
lastNode = currentNode;
currentNode = nextNode;
}
itMax--;
if (itMax < 0)
{
break;
}
}
int edgeShapeCount = edgeShape.Count;
if (edgeShapeCount < 3)
{
continue;
}
// Debug.Log("Generate edgeShapeCount "+ edgeShapeCount);
Vector3[] verts = new Vector3[edgeShapeCount];
Vector2[] uvs = new Vector2[edgeShapeCount];
Vector3 baseShapeDirection = ShapeOffset.Utils.ToV3(nodeB.position - nodeA.position).normalized;
float uvAngle = JMath.SignAngle(new Vector2(baseShapeDirection.x, baseShapeDirection.z).normalized) - 90;
Vector2[] faceShape = new Vector2[edgeShapeCount];
Vector3[] normals = new Vector3[edgeShapeCount];
Vector4[] tangents = new Vector4[edgeShapeCount];
// Vector3 normal = Vector3.up;//BuildRMesh.CalculateNormal(); TODO
Vector4 tangent = BuildRMesh.CalculateTangent(baseShapeDirection);
for (int i = 0; i < edgeShapeCount; i++)//what on earth did I write here?
{
Vector3 newVert = new Vector3(edgeShape[i].position.x, edgeShape[i].height * heightScale + roofBaseHeight, edgeShape[i].position.y);
verts[i] = newVert;
Vector2 baseUV = new Vector2(newVert.x - verts[0].x, newVert.z - verts[0].z);
Vector2 newUV = Vector2.zero;
if (i != 0)
{
newUV = JMath.Rotate(baseUV, uvAngle);
}
if (clampUV.width > Mathf.Epsilon)
{
newUV.x = Mathf.Clamp(clampUV.x + newUV.x / clampUVScale.x, clampUV.xMin, clampUV.xMax);
newUV.y = Mathf.Clamp(clampUV.y + newUV.y / clampUVScale.y, clampUV.yMin, clampUV.yMax);
}
else
{
if (i != 0)
{
float faceHeight = edgeShape[i].height * heightScale;
newUV.y = Mathf.Sqrt((newUV.y * newUV.y) + (faceHeight * faceHeight));//hypotenuse of roof to give length of roof face
if (design.mainSurface != null)
{
newUV = design.mainSurface.CalculateUV(newUV);
}
}
}
uvs[i] = newUV;
faceShape[i] = edgeShape[i].position;//used for triangulation
// normals[i] = normal;
tangents[i] = tangent;
}
// int[] tris = EarClipper.Triangulate(faceShape, 0, -1);
int[] tris = Poly2TriWrapper.Triangulate(faceShape, true);
int triCount = tris.Length;
Vector3 normal = (verts.Length > 2 && triCount > 2) ? BuildRMesh.CalculateNormal(verts[tris[0]], verts[tris[1]], verts[tris[2]]) : Vector3.up;
for (int i = 0; i < edgeShapeCount; i++)
{
normals[i] = normal;
}
mesh.AddData(verts, uvs, tris, normals, tangents, submesh);
//gable
bool isGabled = volume[facadeIndices[b]].isGabled;
if (isGabled)
{
for (int t = 0; t < triCount; t += 3)
{
if (tris[t] == 0 || tris[t + 1] == 0 || tris[t + 2] == 0)
{
int beB = edgeShapeCount - 1;
if (tris[t] == beB || tris[t + 1] == beB || tris[t + 2] == beB)
{
Vector3 b0 = verts[0];
Vector3 b1 = verts[beB];
Vector3 g0 = b0;
Vector3 g1 = b1;
int topIndex = 0;
for (int tx = 0; tx < 3; tx++)
{
if (tris[t + tx] != 0 && tris[t + tx] != beB)
{
topIndex = tris[t + tx];
}
}
Vector3 b2 = verts[topIndex];
Vector3 baseV = b1 - b0;
Vector3 dir = baseV.normalized;
Vector3 face = Vector3.Cross(Vector3.up, dir).normalized;
Vector3 up = Vector3.Project(b2 - b0, Vector3.up);
//clear triangle
tris[t] = 0;
tris[t + 1] = 0;
tris[t + 2] = 0;
bool simpleGable = volume[facadeIndices[b]].simpleGable;
Gable gableStyle = volume[facadeIndices[b]].gableStyle;
float thickness = volume[facadeIndices[b]].gableThickness;
float additionalHeight = volume[facadeIndices[b]].gableHeight;
float height = up.magnitude + additionalHeight;
if (simpleGable || gableStyle != null)
{
Vector3 pitchVectorA = (b2 - b0).normalized;
Vector3 pitchVectorB = (b2 - b1).normalized;
float angle = Vector3.Angle(-face, pitchVectorA);
float scale = Mathf.Cos(angle / 57.2957795f);
b0 += pitchVectorA * (thickness * (1 / scale));
b1 += pitchVectorB * (thickness * (1 / scale));
}
Vector3 center = Vector3.Lerp(b0, b1, 0.5f);
up = Vector3.Project(b2 - b0, Vector3.up); //recalculate after b change(?)
Vector3 b3 = center + up;
if (simpleGable) //generate a simple gable
{
//generate simple gable based on roof
Vector3 gCenter = Vector3.Lerp(g0, g1, 0.5f);
Vector3 gBaseUp = Vector3.up * additionalHeight;
Vector3 gUp = up.normalized * height;
Vector3 gBack = -face * thickness;
//todo further calculations
//face
mesh.AddPlane(g0, g1, g0 + gBaseUp, g1 + gBaseUp, wallSubmesh);
mesh.AddTri(g1 + gBaseUp, g0 + gBaseUp, gCenter + gUp, dir, wallSubmesh);
//backface
mesh.AddPlane(g1 + gBack, g0 + gBack, g1 + gBaseUp + gBack, g0 + gBaseUp + gBack, wallSubmesh);
mesh.AddTri(g0 + gBack + gBaseUp, g1 + gBack + gBaseUp, b3 + gBaseUp, -dir, wallSubmesh);
//left
mesh.AddPlane(g0 + gBack, g0, g0 + gBaseUp + gBack, g0 + gBaseUp, wallSubmesh);
mesh.AddPlane(g0 + gBaseUp + gBack, g0 + gBaseUp, b3 + gBaseUp, gCenter + gUp, wallSubmesh);
//right
mesh.AddPlane(g1, g1 + gBack, g1 + gBaseUp, g1 + gBaseUp + gBack, wallSubmesh);
mesh.AddPlane(g1 + gBaseUp, g1 + gBaseUp + gBack, gCenter + gUp, b3 + gBaseUp, wallSubmesh);
}
else if (volume[facadeIndices[b]].gableStyle != null)
{
Vector2 baseUV = new Vector2(0, volume.planHeight);
GableGenerator.Generate(ref mesh, gableStyle, g0, g1, height, thickness, baseUV);
}
else
{
mesh.AddTri(b0, b3, b1, dir, submesh);//face - no separate gable
}
mesh.AddTri(b0, b2, b3, face, submesh); //left
mesh.AddTri(b1, b3, b2, -face, submesh); //right
}
}
}
}
}
return(true);
}
private static void ToMesh(ref BuildRMesh mesh, ref Shape shape, float roofBaseHeight, float meshHeight, int[] facadeIndices, IVolume volume, int submesh, Surface surface, bool generateDormers = false)
{
//TODO fix this error properly
if (shape == null)
{
Debug.Log("ToMesh: Error to fix");
return;
}
List <Edge> edges = new List <Edge>(shape.edges);
List <Edge> baseEdges = new List <Edge>(shape.baseEdges);
float shapeHeight = shape.HeighestPoint();
float heightScale = meshHeight / shapeHeight;
bool isFloor = meshHeight < 0.00001f;
Dictionary <Node, int> shapeConnectionCount = new Dictionary <Node, int>();
Dictionary <Node, List <Node> > shapeConnections = new Dictionary <Node, List <Node> >();
int edgeCount = edges.Count;
for (int e = 0; e < edgeCount; e++)
{
Edge edge = edges[e];
if (edge.length < Mathf.Epsilon)
{
continue;
}
if (!shapeConnectionCount.ContainsKey(edge.nodeA))
{
shapeConnectionCount.Add(edge.nodeA, 0);//start at zero - we need two edges to make a shape...
shapeConnections.Add(edge.nodeA, new List <Node> {
edge.nodeB
});
}
else
{
shapeConnectionCount[edge.nodeA]++;
if (!shapeConnections[edge.nodeA].Contains(edge.nodeB))
{
shapeConnections[edge.nodeA].Add(edge.nodeB);
}
}
if (!shapeConnectionCount.ContainsKey(edge.nodeB))
{
shapeConnectionCount.Add(edge.nodeB, 0);//start at zero - we need two edges to make a shape...
shapeConnections.Add(edge.nodeB, new List <Node> {
edge.nodeA
});
}
else
{
shapeConnectionCount[edge.nodeB]++;
if (!shapeConnections[edge.nodeB].Contains(edge.nodeA))
{
shapeConnections[edge.nodeB].Add(edge.nodeA);
}
}
}
int baseEdgeCount = baseEdges.Count;
List <Vector3[]> roofFaces = new List <Vector3[]>();
for (int b = 0; b < baseEdgeCount; b++)
{
int facadeIndex = facadeIndices[b];
bool isGabled = volume[facadeIndex].isGabled;
if (!isGabled)
{
int facadeIndexLeft = (facadeIndex - 1 + volume.numberOfFacades) % volume.numberOfFacades;
int facadeIndexRight = (facadeIndex + 1) % volume.numberOfFacades;
bool isGabledLeft = volume[facadeIndexLeft].isGabled;
bool isGabledRight = volume[facadeIndexRight].isGabled;
Edge baseEdge = baseEdges[b];
Node nodeA = baseEdge.nodeA;
Node nodeB = baseEdge.nodeB;
Node currentNode = nodeA;
Node lastNode = nodeB;
int itMax = 50;
List <Node> edgeShape = new List <Node>()
{
nodeA
};
while (currentNode != nodeB)
{
List <Node> nodeConnections = shapeConnections[currentNode];
int nodeConnectionCount = nodeConnections.Count;
float minAngle = Mathf.Infinity;
Node nextNode = null;
Vector2 currentDirection = (currentNode.position - lastNode.position).normalized;
for (int n = 0; n < nodeConnectionCount; n++)
{
Node connectingNode = nodeConnections[n];
if (connectingNode == lastNode)
{
continue; //end this circus!
}
Vector2 nextDirection = (connectingNode.position - currentNode.position).normalized;
float nodeAngle = SignAngleDirection(currentDirection, nextDirection);
if (nodeAngle < minAngle)
{
minAngle = nodeAngle;
nextNode = connectingNode;
}
}
if (nextNode != null)
{
edgeShape.Add(nextNode);
lastNode = currentNode;
currentNode = nextNode;
}
itMax--;
if (itMax < 0)
{
break;
}
}
int edgeShapeCount = edgeShape.Count;
if (edgeShapeCount == 4 && generateDormers)
{
Vector3[] edgeShapeV3 = new Vector3[4];
edgeShapeV3[0] = new Vector3(edgeShape[0].position.x, roofBaseHeight, edgeShape[0].position.y);
edgeShapeV3[1] = new Vector3(edgeShape[3].position.x, roofBaseHeight, edgeShape[3].position.y);
edgeShapeV3[2] = new Vector3(edgeShape[1].position.x, roofBaseHeight + meshHeight, edgeShape[1].position.y);
edgeShapeV3[3] = new Vector3(edgeShape[2].position.x, roofBaseHeight + meshHeight, edgeShape[2].position.y);
roofFaces.Add(edgeShapeV3);
}
if ((isGabledLeft || isGabledRight) && edgeShapeCount == 4)//modify shape if gables are detected
{
Vector3 p0 = edgeShape[0].position;
Vector3 p1 = edgeShape[3].position;
Vector3 p2 = edgeShape[1].position;
Vector3 vector = p1 - p0;
Vector3 dir = vector.normalized;
Vector3 cross = Vector3.Cross(Vector3.back, dir);
if (isGabledLeft)
{
float gableThickness = volume[facadeIndexLeft].gableThickness;
bool simpleGable = volume[facadeIndexLeft].simpleGable;
Gable gableStyle = volume[facadeIndexLeft].gableStyle;
if (!simpleGable && gableStyle == null || !isFloor)
{
gableThickness = 0;
}
Vector3 newPointA = Vector3.Project(p2 - p1, cross) + dir * gableThickness;
edgeShape[1].position = edgeShape[0].position + new Vector2(newPointA.x, newPointA.y);
}
if (isGabledRight)
{
float gableThickness = volume[facadeIndexRight].gableThickness;
bool simpleGable = volume[facadeIndexRight].simpleGable;
Gable gableStyle = volume[facadeIndexRight].gableStyle;
if (!simpleGable && gableStyle == null || !isFloor)
{
gableThickness = 0;
}
Vector3 newPointB = Vector3.Project(p2 - p1, cross) - dir * gableThickness;
edgeShape[2].position = edgeShape[3].position + new Vector2(newPointB.x, newPointB.y);
}
}
Vector3[] verts = new Vector3[edgeShapeCount];
Vector2[] uvs = new Vector2[edgeShapeCount];
Vector3 baseShapeDirection = ToV3(nodeB.position - nodeA.position).normalized;
float uvAngle = SignAngle(new Vector2(baseShapeDirection.x, baseShapeDirection.z).normalized) - 90;
Vector2[] faceShape = new Vector2[edgeShapeCount];
Vector3[] normals = new Vector3[edgeShapeCount];
Vector4[] tangents = new Vector4[edgeShapeCount];
Vector4 tangent = BuildRMesh.CalculateTangent(baseShapeDirection);
for (int i = 0; i < edgeShapeCount; i++)
{
Vector3 newVert = new Vector3(edgeShape[i].position.x, edgeShape[i].height * heightScale + roofBaseHeight, edgeShape[i].position.y);
verts[i] = newVert;
Vector2 baseUV = (i == 0) ? Vector2.zero : new Vector2(newVert.x - verts[0].x, newVert.z - verts[0].z);
Vector2 newUV = Rotate(baseUV, uvAngle);
float faceHeight = edgeShape[i].height * heightScale;
newUV.y = Mathf.Sqrt((newUV.y * newUV.y) + (faceHeight * faceHeight));
if (surface != null)
{
newUV = surface.CalculateUV(newUV);
}
uvs[i] = newUV;
faceShape[i] = edgeShape[i].position;//used for triangulation
// normals[i] = normal;
tangents[i] = tangent;
}
// int[] tris = EarClipper.Triangulate(faceShape, 0, -1);
int[] tris = Poly2TriWrapper.Triangulate(faceShape, true);
int triCount = tris.Length;
if (triCount < 3)
{
continue;
}
Vector3 normal = BuildRMesh.CalculateNormal(verts[tris[0]], verts[tris[1]], verts[tris[2]]);
for (int i = 0; i < edgeShapeCount; i++)
{
normals[i] = normal;//normCal[i].normalized;
}
mesh.AddData(verts, uvs, tris, normals, tangents, submesh);
if (isGabled)
{
for (int t = 0; t < triCount; t += 3)
{
if (tris[t] == 0 || tris[t + 1] == 0 || tris[t + 2] == 0)
{
int beB = edgeShapeCount - 1;
if (tris[t] == beB || tris[t + 1] == beB || tris[t + 2] == beB)
{
Vector3 b0 = verts[0];
Vector3 b1 = verts[beB];
int topIndex = 0;
for (int tx = 0; tx < 3; tx++)
{
if (tris[t + tx] != 0 && tris[t + tx] != beB)
{
topIndex = tris[t + tx];
}
}
Vector3 b2 = verts[topIndex];
Vector3 baseV = b1 - b0;
Vector3 dir = baseV.normalized;
Vector3 face = Vector3.Cross(Vector3.up, dir);
// float length = baseV.magnitude;
Vector3 center = Vector3.Lerp(b0, b1, 0.5f);
Vector3 up = Vector3.Project(b2 - b0, Vector3.up);
Vector3 b3 = center + up;
mesh.AddTri(b0, b2, b3, face, submesh); //left
mesh.AddTri(b1, b3, b2, -face, submesh); //right
mesh.AddTri(b0, b3, b1, dir, submesh); //face
//clear triangle
tris[t] = 0;
tris[t + 1] = 0;
tris[t + 2] = 0;
}
}
}
}
}
else if (isFloor)
{
Roof roof = volume.roof;
Edge baseEdge = baseEdges[b];
Node nodeA = baseEdge.nodeA;
Node nodeB = baseEdge.nodeB;
Vector3 p0 = new Vector3(nodeA.position.x, heightScale + roofBaseHeight, nodeA.position.y);
Vector3 p1 = new Vector3(nodeB.position.x, heightScale + roofBaseHeight, nodeB.position.y);
Vector3 baseV = p1 - p0;
Vector3 dir = baseV.normalized;
Vector3 face = Vector3.Cross(Vector3.up, dir).normalized;
Vector3 parapetEdgeModifier = dir * (roof.overhang - (roof.parapetFrontDepth + roof.parapetBackDepth)) * 1.05f;
p0 += parapetEdgeModifier;
p1 += -parapetEdgeModifier;
// p0 += face * (roof.parapetFrontDepth + roof.parapetBackDepth + roof.overhang);
VolumePoint volumePoint = volume[facadeIndices[b]];
bool simpleGable = volumePoint.simpleGable;
Gable gableStyle = volume[facadeIndices[b]].gableStyle;
if (!simpleGable && gableStyle == null)
{
simpleGable = true;
}
float thickness = volume[facadeIndices[b]].gableThickness;
float additionalHeight = volume[facadeIndices[b]].gableHeight;
float height = roof.height + additionalHeight;
if (simpleGable) //generate a simple gable
{
int wallSubmesh = mesh.submeshLibrary.SubmeshAdd(roof.wallSurface); //surfaceMapping.IndexOf(roof.wallSurface);
if (wallSubmesh == -1)
{
wallSubmesh = submesh;
}
Vector3 g0 = p0;
Vector3 g1 = p0 + Vector3.up * additionalHeight;
Vector3 g2 = g1 + dir * roof.floorDepth * 0.5f;
Vector3 g3 = g2 + dir * roof.depth * 0.5f + Vector3.up * roof.height;
Vector3 g7 = p1;
Vector3 g6 = p1 + Vector3.up * additionalHeight;
Vector3 g5 = g6 - dir * roof.floorDepth * 0.5f;
Vector3 g4 = g5 - dir * roof.depth * 0.5f + Vector3.up * roof.height;
Vector3 gF = -face * thickness;
mesh.AddPlane(g0, g7, g1, g6, wallSubmesh); //bottom front
mesh.AddPlane(g7 + gF, g0 + gF, g6 + gF, g1 + gF, wallSubmesh); //bottom back
mesh.AddPlane(g1, g6, g1 + gF, g6 + gF, wallSubmesh); //bottom top
mesh.AddPlane(g0, g1, g0 + gF, g1 + gF, wallSubmesh); //bottom sides
mesh.AddPlane(g6, g7, g6 + gF, g7 + gF, wallSubmesh);
mesh.AddPlane(g2, g5, g3, g4, wallSubmesh); //top front
mesh.AddPlane(g5 + gF, g2 + gF, g4 + gF, g3 + gF, wallSubmesh); //top back
mesh.AddPlane(g2 + gF, g2, g3 + gF, g3, wallSubmesh); //top sides
mesh.AddPlane(g5, g5 + gF, g4, g4 + gF, wallSubmesh); //top sides
mesh.AddPlane(g3 + gF, g3, g4 + gF, g4, wallSubmesh); //top top
}
else
{
Vector2 baseUV = new Vector2(0, volume.planHeight);
GableGenerator.Generate(ref mesh, gableStyle, p0, p1, height, thickness, baseUV);
}
}
}
if (generateDormers)
{
DormerGenerator.Generate(ref mesh, volume, roofFaces);
}
}
