Beispiel #1
0
        public static void Generate(IBuilding building)
        {
            int numberOfVolumes = building.numberOfVolumes;

//            Debug.Log("n vol "+numberOfVolumes);
            for (int v = 0; v < numberOfVolumes; v++)
            {
                IVolume volume = building[v];
                volume.CheckVolume();
                if (!volume.isLegal)
                {
                    GenerateMesh.ClearVisuals(volume);
                    continue;
                }

                int                   numberOfPoints  = volume.numberOfPoints;
                float                 totalPlanHeight = volume.planHeight;
                Vector3               planUp          = totalPlanHeight * Vector3.up;
                VerticalOpening[]     volumeOpenings  = BuildrUtils.GetOpeningsQuick(building, volume);
                float                 foundation      = building.IsBaseVolume(volume) ? building.foundationDepth : 0;//set suspended volumes foundation to 0
                IVisualPart           visual          = volume.visualPart;
                BuildRMesh            dMesh           = visual.dynamicMesh;
                BuildRCollider        cMesh           = visual.colliderMesh;
                BuildingMeshTypes     meshType        = building.meshType;
                BuildingColliderTypes colliderType    = building.colliderType;
                dMesh.Clear();
                cMesh.Clear();
                cMesh.TogglePrimitives(colliderType == BuildingColliderTypes.Primitive);
                cMesh.thickness = volume.wallThickness;
                if (colliderType == BuildingColliderTypes.None)
                {
                    cMesh = null;
                }
                Transform[] prefabs     = volume.prefabs.GetComponentsInChildren <Transform>();
                int         prefabCount = prefabs.Length;
                for (int p = 0; p < prefabCount; p++)
                {
                    if (prefabs[p] == volume.prefabs)
                    {
                        continue;
                    }
                    if (prefabs[p] == null)
                    {
                        continue;                   //gone already man
                    }
#if UNITY_EDITOR
                    Object.DestroyImmediate(prefabs[p].gameObject);
#else
                    Object.Destroy(prefabs[p].gameObject);
#endif
                }

                Dictionary <int, List <Vector2Int> > anchorPoints = volume.facadeWallAnchors;
                Texture2D facadeTexture = null;

                #region Exteriors

//                Debug.Log("ext");
                if (building.generateExteriors)
                {
                    for (int p = 0; p < numberOfPoints; p++)
                    {
                        if (!volume[p].render)
                        {
                            continue;
                        }
                        Vector3 p0              = volume.BuildingPoint(p);
                        Vector3 p1              = volume.BuildingPoint((p + 1) % numberOfPoints);
                        Vector3 p0u             = p0 + planUp;
                        Vector3 p1u             = p1 + planUp;
                        Vector3 cw0             = volume.BuildingControlPointA(p);
                        Vector3 cw1             = volume.BuildingControlPointB(p);
                        Facade  facade          = volume.GetFacade(p);
                        bool    isStraight      = volume.IsWallStraight(p);
                        Vector3 facadeVector    = p1 - p0;
                        Vector3 facadeDirection = facadeVector.normalized;
                        float   facadeLength    = facadeVector.magnitude;
                        if (facadeLength < Mathf.Epsilon)
                        {
                            continue;
                        }

//                        Debug.Log("flength "+facadeLength);
                        if (facade == null || colliderType == BuildingColliderTypes.Simple)
                        {
//                            Debug.Log("simple");
                            if (isStraight)
                            {
                                Vector3 normal  = Vector3.Cross(Vector3.up, facadeDirection);
                                Vector4 tangent = BuildRMesh.CalculateTangent(facadeDirection);
                                if (facade == null)
                                {
                                    dMesh.AddPlane(p0, p1, p0u, p1u, normal, tangent, 0);
                                }

                                if (colliderType != BuildingColliderTypes.None)
                                {
                                    cMesh.AddPlane(p0, p1, p0u, p1u);
                                }

                                if (foundation > Mathf.Epsilon)
                                {
                                    Vector3 fp2 = p0;
                                    Vector3 fp3 = p1;
                                    Vector3 fp0 = fp2 + Vector3.down * foundation;
                                    Vector3 fp1 = fp3 + Vector3.down * foundation;
                                    if (facade == null)
                                    {
                                        Surface foundationSurface = building.foundationSurface != null ? building.foundationSurface : null;
                                        int     foundationSubmesh = dMesh.submeshLibrary.SubmeshAdd(foundationSurface);
                                        Vector2 uxmax             = new Vector2(Vector3.Distance(p0, p1), foundation);
                                        dMesh.AddPlane(fp0, fp1, fp2, fp3, Vector2.zero, uxmax, normal, tangent, foundationSubmesh, foundationSurface);
                                    }

                                    if (colliderType != BuildingColliderTypes.None)
                                    {
                                        cMesh.mesh.AddPlane(fp0, fp1, fp2, fp3, 0);
                                    }
                                }
                            }
                            else
                            {
                                List <Vector2Int> facadeAnchorPoints = anchorPoints[p];
                                int anchorCount = facadeAnchorPoints.Count;
                                for (int i = 0; i < anchorCount - 1; i++)
                                {
                                    Vector3 c0 = facadeAnchorPoints[i].vector3XZ;
                                    c0.y = p0.y;
                                    Vector3 c1 = facadeAnchorPoints[i + 1].vector3XZ;
                                    c1.y = p0.y;
                                    Vector3 c2 = c0 + planUp;
                                    Vector3 c3 = c1 + planUp;
                                    Vector3 sectionDirection = (c1 - c0).normalized;
                                    Vector3 normal           = Vector3.Cross(Vector3.up, sectionDirection);
                                    Vector4 tangent          = BuildRMesh.CalculateTangent(sectionDirection);
                                    if (facade == null)
                                    {
                                        dMesh.AddPlane(c0, c1, c2, c3, normal, tangent, 0);
                                    }
                                    if (colliderType != BuildingColliderTypes.None)
                                    {
                                        cMesh.AddPlane(c0, c1, c2, c3);
                                    }
                                    if (foundation > Mathf.Epsilon)
                                    {
                                        Vector3 fp2 = c0;
                                        Vector3 fp3 = c1;
                                        Vector3 fp0 = fp2 + Vector3.down * foundation;
                                        Vector3 fp1 = fp3 + Vector3.down * foundation;

                                        if (facade == null)
                                        {
                                            Surface foundationSurface = building.foundationSurface != null ? building.foundationSurface : null;
                                            int     foundationSubmesh = dMesh.submeshLibrary.SubmeshAdd(foundationSurface);
                                            Vector2 uxmax             = new Vector2(Vector3.Distance(c0, c1), foundation);
                                            dMesh.AddPlane(fp0, fp1, fp2, fp3, Vector2.zero, uxmax, normal, tangent, foundationSubmesh, foundationSurface);
                                        }

                                        if (colliderType != BuildingColliderTypes.None)
                                        {
                                            cMesh.AddPlane(fp0, fp1, fp2, fp3);
                                        }
                                    }
                                }
                            }

//                                                        Debug.Log("Generate facade " + p + " " + dMesh.vertexCount  );
                        }

//                        Debug.Log("fac "+p);
                        if (facade != null && (meshType == BuildingMeshTypes.Full || colliderType == BuildingColliderTypes.Primitive || colliderType == BuildingColliderTypes.Complex))
                        {
                            //generate the facade
//                            Debug.Log("full");
                            FacadeGenerator.FacadeData fData = new FacadeGenerator.FacadeData();
                            //                            fData.building = building;
                            //                            fData.volume = volume;
                            fData.baseA        = p0;
                            fData.baseB        = p1;
                            fData.controlA     = cw0;
                            fData.controlB     = cw1;
                            fData.anchors      = anchorPoints[p];
                            fData.isStraight   = isStraight;
                            fData.curveStyle   = volume[p].curveStyle;
                            fData.floorCount   = volume.floors;
                            fData.facadeDesign = facade;
                            //                            fData.submeshList = usedFloorplanSurfaces;
                            fData.startFloor            = BuildRFacadeUtil.MinimumFloor(building, volume, p);
                            fData.actualStartFloor      = building.VolumeBaseFloor(volume);
                            fData.foundationDepth       = foundation;
                            fData.foundationSurface     = building.foundationSurface;
                            fData.wallThickness         = volume.wallThickness;
                            fData.minimumWallUnitLength = volume.minimumWallUnitLength;
                            fData.floorHeight           = volume.floorHeight;
                            fData.floors       = volume.floors;
                            fData.meshType     = building.meshType;
                            fData.colliderType = building.colliderType;
                            fData.cullDoors    = building.cullDoors;
                            fData.prefabs      = volume.prefabs;

//                            Debug.Log("mesh");
                            FacadeGenerator.GenerateFacade(fData, dMesh, cMesh);
//                            Debug.Log("pref");
                            FacadeGenerator.GeneratePrefabs(fData);
//                                                        Debug.Log("Generate facade "+p+" "+dMesh.vertexCount);
                        }
                    }
                }

                #endregion

                #region Interiors

//                Debug.Log("int");
                bool generateInteriors = building.generateInteriors && meshType == BuildingMeshTypes.Full;
                if (generateInteriors)
                {
                    int          floors     = volume.floors;
                    IFloorplan[] floorplans = volume.InteriorFloorplans();
                    for (int fl = 0; fl < floors; fl++)
                    {
                        IFloorplan     floorplan   = floorplans[fl];
                        IVisualPart    floorVisual = floorplan.visualPart;
                        BuildRMesh     flMesh      = floorVisual.dynamicMesh;
                        BuildRCollider flCollider  = floorVisual.colliderMesh;
                        flMesh.Clear();
                        flCollider.Clear();
                        flCollider.TogglePrimitives(colliderType == BuildingColliderTypes.Primitive);
                        FloorplanGenerator.Generate(building, volume, floorplans[fl], fl, volumeOpenings, flMesh, flCollider);
                        floorVisual.GenerateFromDynamicMesh();
                        floorplan.transform.localPosition   = Vector3.up * (fl * volume.floorHeight);
                        floorVisual.transform.localPosition = Vector3.zero;//
                        floorVisual.transform.localRotation = Quaternion.identity;
                    }
                }
                else
                {
                    IFloorplan[] floorplans = volume.InteriorFloorplans();
                    int          floors     = floorplans.Length;
                    for (int fl = 0; fl < floors; fl++)
                    {
                        floorplans[fl].visualPart.Clear();
                    }
                }

                #endregion

                #region Volume Underside Generation

//                Debug.Log("und");
                BuildRVolumeUtil.VolumeShape[] underShapes = BuildRVolumeUtil.GetBottomShape(building, volume);
                int   underShapeCount  = underShapes.Length;
                float volumeBaseHeight = volume.baseHeight - building.foundationDepth;
                for (int u = 0; u < underShapeCount; u++)
                {
                    if (underShapes[u].outer == null)
                    {
                        continue;                             //no underside shape
                    }
                    int undersideSubmesh = dMesh.submeshLibrary.SubmeshAdd(volume.undersideSurafce);
                    Poly2TriWrapper.BMesh(dMesh, volumeBaseHeight, null, undersideSubmesh, underShapes[u].outer, new Rect(0, 0, 0, 0), false, underShapes[u].holes);
                }

                #endregion

//                Debug.Log("roof");
                if (building.generateExteriors)
                {
                    RoofGenerator.Generate(building, volume, dMesh, cMesh);
                    visual.GenerateFromDynamicMesh();
                }
                else
                {
                    visual.Clear();
                }

//                Debug.Log("mat");
                switch (meshType)
                {
                case BuildingMeshTypes.None:
                    visual.materials = null;
                    break;

                case BuildingMeshTypes.Box:
                    visual.materials = new[] { new Material(Shader.Find("Standard")) };
                    break;

                case BuildingMeshTypes.Simple:
                    facadeTexture.filterMode = FilterMode.Bilinear;
                    facadeTexture.Apply(true, false);
                    Material simpleMaterial = new Material(Shader.Find("Standard"));
                    simpleMaterial.mainTexture = facadeTexture;
                    visual.materials           = new[] { simpleMaterial };
                    break;

                case BuildingMeshTypes.Full:
                    visual.materials = dMesh.materials.ToArray();
                    break;
                }
            }
        }
Beispiel #2
0
        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);
        }
        public static void Generate(IBuilding building)
        {
            int numberOfVolumes = building.numberOfPlans;

            for (int v = 0; v < numberOfVolumes; v++)
            {
                IVolume volume = building[v];
                volume.CheckVolume();
                if (!volume.isLegal)
                {
                    GenerateMesh.ClearVisuals(volume);
                    continue;
                }
                int     numberOfPoints  = volume.numberOfPoints;
                float   totalPlanHeight = volume.planHeight;
                Vector3 planUp          = totalPlanHeight * Vector3.up;
//                List<Surface> usedFloorplanSurfaces = volume.CalculateSurfaceArray();
                //                VerticalOpening[] volumeOpenings = BuildrUtils.GetOpeningsQuick(building, volume);

                IVisualPart           visual       = volume.visualPart;
                BuildRMesh            dMesh        = visual.dynamicMesh;
                BuildRCollider        cMesh        = visual.colliderMesh;
                BuildingMeshTypes     meshType     = building.meshType;
                BuildingColliderTypes colliderType = building.colliderType;
                dMesh.Clear();
                dMesh.ignoreSubmeshAssignment = true;
                cMesh.Clear();
                cMesh.TogglePrimitives(colliderType == BuildingColliderTypes.Primitive);
                cMesh.thickness = volume.wallThickness;

                if (meshType == BuildingMeshTypes.None && colliderType == BuildingColliderTypes.None)
                {
                    visual.Clear();
                    return;
                }

                Dictionary <int, List <Vector2Int> > anchorPoints = volume.facadeWallAnchors;
                Texture2D facadeTexture   = null;
                Rect[]    faciaRectangles = null;
                Rect[]    faciaUVs        = null;
                Rect      roofRect        = new Rect();
                Rect      roofPixelRect   = new Rect();

                #region Exteriors

                if (building.generateExteriors)
                {
                    //                    List<Rect> faciaRectangles = null;
                    faciaRectangles = new Rect[numberOfPoints + 1];                                  //one additional for the roof
                    float foundation = building.IsBaseVolume(volume) ? building.foundationDepth : 0; //set suspended volumes foundation to 0

                    //                    faciaRectangles = new List<Rect>();
                    for (int p = 0; p < numberOfPoints; p++)
                    {
                        if (!volume[p].render)
                        {
                            continue;
                        }
                        int        indexA = p;
                        int        indexB = (p < numberOfPoints - 1) ? p + 1 : 0;
                        Vector2Int p0     = volume[indexA].position;
                        Vector2Int p1     = volume[indexB].position;

                        float facadeWidth = Vector2Int.DistanceWorld(p0, p1) * PIXELS_PER_METER;
                        int   floorBase   = BuildRFacadeUtil.MinimumFloor(building, volume, indexA);

                        int numberOfFloors = volume.floors - floorBase;
                        if (numberOfFloors < 1)//no facade - adjacent facade is taller and covers this one
                        {
                            continue;
                        }

                        float floorHeight  = volume.floorHeight;
                        float facadeHeight = ((volume.floors - floorBase) * floorHeight) * PIXELS_PER_METER;
                        if (facadeHeight < 0)//??
                        {
                            facadeWidth  = 0;
                            facadeHeight = 0;
                        }

                        Rect newFacadeRect = new Rect(0, 0, facadeWidth, facadeHeight);
                        faciaRectangles[p] = newFacadeRect;
                        //                        Debug.Log(newFacadeRect);
                        //                        faciaRectangles.Add(newFacadeRect);
                    }

                    roofRect      = new Rect(0, 0, volume.bounds.size.x, volume.bounds.size.z);
                    roofPixelRect = new Rect(0, 0, volume.bounds.size.x * PIXELS_PER_METER, volume.bounds.size.z * PIXELS_PER_METER);
                    faciaRectangles[numberOfPoints] = roofPixelRect;
                    //                    Debug.Log(roofRect);

                    int currentWidth = RectanglePack.Pack(faciaRectangles, ATLAS_PADDING);
                    currentWidth  = RectanglePack.CheckMaxScale(faciaRectangles, currentWidth, MAXIMUM_TEXTURESIZE);
                    faciaUVs      = RectanglePack.ConvertToUVSpace(faciaRectangles, currentWidth);
                    facadeTexture = new Texture2D(currentWidth, currentWidth);


                    //                    float uvOffsetX = 0;
                    int rectIndex = 0;
                    for (int p = 0; p < numberOfPoints; p++)
                    {
                        if (!volume[p].render)
                        {
                            continue;
                        }

                        Vector3 p0 = volume.BuildingPoint(p);
                        Vector3 p1 = volume.BuildingPoint((p + 1) % numberOfPoints);

                        Vector3 p0u        = p0 + planUp;
                        Vector3 p1u        = p1 + planUp;
                        Vector3 cw0        = volume.BuildingControlPointA(p);
                        Vector3 cw1        = volume.BuildingControlPointB(p);
                        Facade  facade     = volume.GetFacade(p);
                        bool    isStraight = volume.IsWallStraight(p);

                        Vector3 facadeVector    = p1 - p0;
                        Vector3 facadeDirection = facadeVector.normalized;

                        FacadeGenerator.FacadeData fData = new FacadeGenerator.FacadeData();
                        fData.baseA        = p0;
                        fData.baseB        = p1;
                        fData.controlA     = cw0;
                        fData.controlB     = cw1;
                        fData.anchors      = anchorPoints[p];
                        fData.isStraight   = isStraight;
                        fData.curveStyle   = volume[p].curveStyle;
                        fData.floorCount   = volume.floors;
                        fData.facadeDesign = facade;

                        fData.wallThickness         = volume.wallThickness;
                        fData.minimumWallUnitLength = volume.minimumWallUnitLength;
                        fData.floorHeight           = volume.floorHeight;
                        fData.floors       = volume.floors;
                        fData.meshType     = building.meshType;
                        fData.colliderType = building.colliderType;
                        fData.cullDoors    = building.cullDoors;
                        fData.prefabs      = volume.prefabs;
                        //                        fData.submeshList = usedFloorplanSurfaces;
                        fData.startFloor = BuildRFacadeUtil.MinimumFloor(building, volume, p);

                        if (isStraight)
                        {
                            Vector3 normal  = Vector3.Cross(Vector3.up, facadeDirection);
                            Vector4 tangent = BuildRMesh.CalculateTangent(facadeDirection);

                            Vector3 fp2 = p0;
                            Vector3 fp3 = p1;
                            Vector3 fp0 = fp2 + Vector3.down * foundation;
                            Vector3 fp1 = fp3 + Vector3.down * foundation;

                            if (meshType == BuildingMeshTypes.Simple)
                            {
                                //                                if(facade != null)
                                //                                {
                                if (facade != null)
                                {
                                    SimpleTextureGenerator.GenerateFacade(fData, facadeTexture, faciaRectangles[rectIndex]);
                                }
                                Vector3[] verts  = { p0, p1, p0u, p1u };
                                Vector2[] uvs    = new Vector2[4];
                                Rect      uvRect = faciaUVs[rectIndex];
                                uvs[0] = new Vector2(uvRect.xMin, uvRect.yMin);
                                uvs[1] = new Vector2(uvRect.xMax, uvRect.yMin);
                                uvs[2] = new Vector2(uvRect.xMin, uvRect.yMax);
                                uvs[3] = new Vector2(uvRect.xMax, uvRect.yMax);
                                int[]     tris     = { 0, 2, 1, 1, 2, 3 };
                                Vector3[] norms    = { normal, normal, normal, normal };
                                Vector4[] tangents = { tangent, tangent, tangent, tangent };
                                dMesh.AddData(verts, uvs, tris, norms, tangents, 0);

                                if (foundation > Mathf.Epsilon)
                                {
                                    dMesh.AddPlane(fp0, fp1, fp2, fp3, uvs[0], uvs[0], normal, tangent, 0, null);
                                }
                            }
                            else
                            {
                                dMesh.AddPlane(p0, p1, p0u, p1u, normal, tangent, 0);

                                if (foundation > Mathf.Epsilon)
                                {
                                    dMesh.AddPlane(fp0, fp1, fp2, fp3, normal, tangent, 0);
                                }
                            }

                            if (colliderType != BuildingColliderTypes.None)
                            {
                                cMesh.AddPlane(p0, p1, p0u, p1u);
                                if (foundation > Mathf.Epsilon)
                                {
                                    cMesh.mesh.AddPlane(fp0, fp1, fp2, fp3, 0);
                                }
                            }
                        }
                        else
                        {
                            List <Vector2Int> facadeAnchorPoints = anchorPoints[p];
                            int anchorCount = facadeAnchorPoints.Count;
                            for (int i = 0; i < anchorCount - 1; i++)
                            {
                                Vector3 c0 = facadeAnchorPoints[i].vector3XZ;
                                c0.y = p0.y;
                                Vector3 c1 = facadeAnchorPoints[i + 1].vector3XZ;
                                c1.y = p0.y;
                                Vector3 c2 = c0 + planUp;
                                Vector3 c3 = c1 + planUp;
                                Vector3 sectionDirection = (c1 - c0).normalized;
                                Vector3 normal           = Vector3.Cross(Vector3.up, sectionDirection);
                                Vector4 tangent          = BuildRMesh.CalculateTangent(sectionDirection);

                                Vector3 fp2 = c0;
                                Vector3 fp3 = c1;
                                Vector3 fp0 = fp2 + Vector3.down * foundation;
                                Vector3 fp1 = fp3 + Vector3.down * foundation;

                                if (meshType == BuildingMeshTypes.Simple)
                                {
                                    if (facade != null)
                                    {
                                        SimpleTextureGenerator.GenerateFacade(fData, facadeTexture, faciaRectangles[rectIndex]);
                                    }
                                    Rect      uvRect         = faciaUVs[rectIndex];
                                    float     facadePercentA = i / (float)(anchorCount - 1);
                                    float     facadePercentB = (i + 1) / (float)(anchorCount - 1);
                                    float     uvxa           = uvRect.xMin + uvRect.width * facadePercentA;
                                    float     uvxb           = uvRect.xMin + uvRect.width * facadePercentB;
                                    Vector3[] verts          = { c0, c1, c2, c3 };
                                    Vector2[] uvs            = new Vector2[4];
                                    uvs[0] = new Vector2(uvxa, uvRect.yMin);
                                    uvs[1] = new Vector2(uvxb, uvRect.yMin);
                                    uvs[2] = new Vector2(uvxa, uvRect.yMax);
                                    uvs[3] = new Vector2(uvxb, uvRect.yMax);
                                    int[]     tris     = { 0, 2, 1, 1, 2, 3 };
                                    Vector3[] norms    = { normal, normal, normal, normal };
                                    Vector4[] tangents = { tangent, tangent, tangent, tangent };
                                    //                                        Vector2 uvMin = new Vector2(uvOffsetX, 0);
                                    //                                        Vector2 uvMax = new Vector2(uvOffsetX + facadeLength, totalPlanHeight);

                                    dMesh.AddData(verts, uvs, tris, norms, tangents, 0);
                                    //                                    dMesh.AddPlane(p0, p1, p0u, p1u, uvMin, uvMax, normal, tangent, 0);
                                    //todo simple mesh with textured facade
                                    //                                    rectIndex++;

                                    if (foundation > Mathf.Epsilon)
                                    {
                                        dMesh.AddPlane(fp0, fp1, fp2, fp3, uvs[0], uvs[0], normal, tangent, 0, null);
                                    }
                                }
                                else
                                {
                                    dMesh.AddPlane(p0, p1, p0u, p1u, normal, tangent, 0);

                                    if (foundation > Mathf.Epsilon)
                                    {
                                        dMesh.AddPlane(fp0, fp1, fp2, fp3, normal, tangent, 0);
                                    }
                                }

                                if (colliderType != BuildingColliderTypes.None)
                                {
                                    cMesh.AddPlane(c0, c1, c2, c3);

                                    if (foundation > Mathf.Epsilon)
                                    {
                                        cMesh.mesh.AddPlane(fp0, fp1, fp2, fp3, 0);
                                    }
                                }
                            }
                        }
                        rectIndex++;
                    }
                }

                #endregion

                #region Interiors

                IFloorplan[] floorplans = volume.InteriorFloorplans();
                int          floors     = volume.floors;
                for (int fl = 0; fl < floors; fl++)
                {
                    floorplans[fl].visualPart.Clear();
                }

                #endregion

                #region Volume Underside Generation

                BuildRVolumeUtil.VolumeShape[] underShapes = BuildRVolumeUtil.GetBottomShape(building, volume);
                int underShapeCount = underShapes.Length;
                //                Debug.Log(underShapeCount);
                float volumeBaseHeight = volume.baseHeight;
                for (int u = 0; u < underShapeCount; u++)
                {
                    //                    Debug.Log(underShapes[u].outer);
                    if (underShapes[u].outer == null)
                    {
                        continue;                              //no underside shape
                    }
                    //                    Debug.Log(underShapes[u].outer.Length);

                    Poly2TriWrapper.BMesh(dMesh, volumeBaseHeight, null, 0, underShapes[u].outer, new Rect(0, 0, 0, 0), false, underShapes[u].holes);
                }

                #endregion

                if (building.generateExteriors)
                {
                    Surface roofSurface = volume.roof.mainSurface;
                    if (roofSurface != null)
                    {
                        SimpleTextureGenerator.GenerateTexture(facadeTexture, roofSurface, faciaRectangles[faciaRectangles.Length - 1], roofRect);
                    }
                    RoofGenerator.Generate(building, volume, dMesh, cMesh, faciaUVs[faciaUVs.Length - 1]);
                    visual.GenerateFromDynamicMesh();
                }
                else
                {
                    visual.Clear();
                }

                switch (meshType)
                {
                case BuildingMeshTypes.Box:
                    visual.materials = new[] { new Material(Shader.Find("Standard")) };
                    break;

                case BuildingMeshTypes.Simple:
                    facadeTexture.filterMode = FilterMode.Bilinear;
                    facadeTexture.Apply(true, false);
                    Material simpleMaterial = new Material(Shader.Find("Standard"));
                    simpleMaterial.mainTexture = facadeTexture;
                    visual.materials           = new[] { simpleMaterial };
                    break;
                }
            }
        }
Beispiel #4
0
        public static void Generate(IBuilding building, IVolume volume, IFloorplan floorplan, int volumeFloor, VerticalOpening[] openings, BuildRMesh mesh, BuildRCollider collider)
        {
            SubmeshLibrary submeshLibrary = mesh.submeshLibrary;

            bool           generateColliders     = building.colliderType != BuildingColliderTypes.None;
            bool           generateMeshColliders = building.colliderType != BuildingColliderTypes.Primitive && generateColliders;
            BuildRCollider sendCollider          = (generateColliders) ? collider : null;

            collider.thickness = volume.wallThickness;
            if (!generateMeshColliders)
            {
                collider = null;
            }

            float   wallThickness = volume.wallThickness;
            float   wallUp        = volume.floorHeight - wallThickness;
            Vector3 wallUpV       = Vector3.up * wallUp;
            Vector3 floorBaseV    = Vector3.up * volume.baseHeight;

            int roomCount = floorplan.RoomCount;

            int actualFloor  = building.VolumeBaseFloor(volume) + volumeFloor;
            int openingCount = openings.Length;

            bool[]       openingBelow           = new bool[openingCount];
            bool[]       openingAbove           = new bool[openingCount];
            FlatBounds[] openingBounds          = new FlatBounds[openingCount];
            Vector2[][]  openingShapes          = new Vector2[openingCount][];
            bool[]       openingUsedInThisFloor = new bool[openingCount];
            for (int o = 0; o < openingCount; o++)
            {
                VerticalOpening opening = openings[o];
                if (!openings[o].FloorIsIncluded(actualFloor))
                {
                    continue;
                }
                openingBelow[o]  = opening.FloorIsIncluded(actualFloor - 1);
                openingAbove[o]  = opening.FloorIsIncluded(actualFloor + 1);
                openingShapes[o] = opening.PointsRotated();
                openingBounds[o] = new FlatBounds(openingShapes[o]);

                submeshLibrary.Add(opening.surfaceA);
                submeshLibrary.Add(opening.surfaceB);
                submeshLibrary.Add(opening.surfaceC);
                submeshLibrary.Add(opening.surfaceD);
            }

            Dictionary <int, List <Vector2Int> > externalWallAnchors = volume.facadeWallAnchors;

            Room[] rooms = floorplan.AllRooms();
            for (int r = 0; r < roomCount; r++)
            {
                Room room       = rooms[r];
                int  pointCount = room.numberOfPoints;

                Surface floorSurface   = null;
                Surface wallSurface    = null;
                Surface ceilingSurface = null;

                if (room.style != null)
                {
                    RoomStyle style = room.style;
                    floorSurface   = style.floorSurface;
                    wallSurface    = style.wallSurface;
                    ceilingSurface = style.ceilingSurface;
                }

                int floorSubmesh   = submeshLibrary.SubmeshAdd(floorSurface);
                int wallSubmesh    = submeshLibrary.SubmeshAdd(wallSurface);
                int ceilingSubmesh = submeshLibrary.SubmeshAdd(ceilingSurface);

                FloorplanUtil.RoomWall[] walls = FloorplanUtil.CalculatePoints(room, volume);
                Vector2[] roomArchorPoints     = FloorplanUtil.RoomArchorPoints(walls);

                Vector4 tangent = BuildRMesh.CalculateTangent(Vector3.right);

                Vector2[] offsetRoomAnchorPoints = QuickPolyOffset.Execute(roomArchorPoints, wallThickness);

                FlatBounds             roomBounds   = new FlatBounds(offsetRoomAnchorPoints);
                List <Vector2[]>       floorCuts    = new List <Vector2[]>();
                List <Vector2[]>       ceilingCuts  = new List <Vector2[]>();
                List <VerticalOpening> roomOpenings = new List <VerticalOpening>();
                for (int o = 0; o < openingCount; o++)
                {
                    if (openings[o].FloorIsIncluded(actualFloor))
                    {
                        if (roomBounds.Overlaps(openingBounds[o]))
                        {
                            if (CheckShapeWithinRoom(offsetRoomAnchorPoints, openingShapes[o]))
                            {
                                if (openingBelow[o])
                                {
                                    floorCuts.Add(openingShapes[o]);
                                }
                                if (openingAbove[o])
                                {
                                    ceilingCuts.Add(openingShapes[o]);
                                }
                                if (openingAbove[o] || openingBelow[o])
                                {
                                    roomOpenings.Add(openings[o]);
                                    openingUsedInThisFloor[o] = true;
                                }
                            }
                        }
                    }
                }

                int offsetPointBase = 0;
                for (int p = 0; p < pointCount; p++)//generate room walls
                {
                    FloorplanUtil.RoomWall wall = walls[p];
                    int wallPointCount          = wall.offsetPoints.Length;

                    List <RoomPortal> wallPortals = floorplan.GetWallPortals(room, p);
                    int wallPortalCount           = wallPortals.Count;

                    if (!wall.isExternal)
                    {
                        int     indexA    = offsetPointBase;
                        int     indexB    = (offsetPointBase + 1) % roomArchorPoints.Length;
                        Vector2 origBaseA = roomArchorPoints[indexA];
                        Vector2 origBaseB = roomArchorPoints[indexB];
                        Vector2 baseA     = offsetRoomAnchorPoints[indexA];
                        Vector2 baseB     = offsetRoomAnchorPoints[indexB];
                        Vector3 v0        = new Vector3(origBaseA.x, 0, origBaseA.y) + floorBaseV;
                        Vector3 v1        = new Vector3(origBaseB.x, 0, origBaseB.y) + floorBaseV;
                        Vector3 vOffset0  = new Vector3(baseA.x, 0, baseA.y) + floorBaseV;
                        Vector3 vOffset1  = new Vector3(baseB.x, 0, baseB.y) + floorBaseV;
                        if (wallPortalCount == 0)  //just draw the wall - no portals to cut

                        {
                            Vector3 v2 = vOffset1 + wallUpV;
                            Vector3 v3 = vOffset0 + wallUpV;

                            Vector2 minUV = Vector2.zero;
                            Vector2 maxUV = new Vector2(Vector2.Distance(baseA, baseB), wallUp);
                            if (wallSurface != null)
                            {
                                maxUV = wallSurface.CalculateUV(maxUV);
                            }
                            Vector3 wallDir     = (vOffset0 - vOffset1).normalized;
                            Vector3 wallNormal  = Vector3.Cross(Vector3.up, wallDir);
                            Vector4 wallTangent = BuildRMesh.CalculateTangent(wallDir);
                            mesh.AddPlane(vOffset1, vOffset0, v2, v3, minUV, maxUV, wallNormal, wallTangent, wallSubmesh, wallSurface);

                            if (generateColliders)
                            {
                                collider.AddPlane(vOffset1, vOffset0, v2, v3);
                            }
                        }
                        else
                        {
                            List <float> useLaterals = new List <float>();
                            List <bool>  hasPortals  = new List <bool>();
                            for (int wp = 0; wp < wallPortalCount; wp++)
                            {
                                RoomPortal portal    = wallPortals[wp];
                                bool       hasPortal = room.HasPortal(portal);
                                hasPortals.Add(hasPortal);
                                if (hasPortal)
                                {
                                    useLaterals.Add(portal.lateralPosition);
                                }
                                else
                                {
                                    useLaterals.Add(1 - portal.lateralPosition);//portal from other wall - wall orientation is flipped
                                }
                            }

                            Vector3 wallVector               = vOffset1 - vOffset0;
                            Vector3 wallDirection            = wallVector.normalized;
                            Vector3 wallStart                = vOffset0;
                            Vector4 wallTangent              = BuildRMesh.CalculateTangent(wallDirection);
                            Vector3 wallNormal               = Vector3.Cross(Vector3.up, wallDirection);
                            Vector4 wallNormalTangent        = BuildRMesh.CalculateTangent(wallNormal);
                            Vector4 wallNormalTangentReverse = BuildRMesh.CalculateTangent(-wallNormal);

                            while (wallPortalCount > 0)
                            {
                                int        portalIndex = 0;
                                RoomPortal usePortal   = wallPortals[0];
                                float      lowestLat   = useLaterals[0];
                                for (int wp = 1; wp < wallPortalCount; wp++)
                                {
                                    if (useLaterals[wp] < lowestLat)
                                    {
                                        portalIndex = wp;
                                        usePortal   = wallPortals[wp];
                                        lowestLat   = useLaterals[wp];
                                    }
                                }

                                wallPortals.RemoveAt(portalIndex);
                                useLaterals.RemoveAt(portalIndex);
                                wallPortalCount--;

                                Vector3 vl0 = v0 + (-wallNormal + wallDirection) * wallThickness;
                                Vector3 vl1 = v1 + (-wallNormal - wallDirection) * wallThickness;

                                Vector3 portalCenter     = Vector3.Lerp(vl0, vl1, lowestLat);
                                Vector3 portalHalfvector = wallDirection * (usePortal.width * 0.5f);
                                Vector3 portalBase       = Vector3.up * (volume.floorHeight - usePortal.height) * usePortal.verticalPosition;
                                Vector3 portalUp         = portalBase + Vector3.up * usePortal.height;
                                Vector3 portalStart      = portalCenter - portalHalfvector;
                                Vector3 portalEnd        = portalCenter + portalHalfvector;

                                Vector2 initalWallUVMin = new Vector2(Vector3.Dot(portalStart, wallDirection), 0);
                                Vector2 initalWallUVMax = new Vector2(Vector3.Dot(wallStart, wallDirection), wallUp);
                                mesh.AddPlane(portalStart, wallStart, portalStart + wallUpV, wallStart + wallUpV, initalWallUVMin, initalWallUVMax, wallNormal, wallTangent, wallSubmesh, wallSurface);//initial wall
                                if (generateColliders)
                                {
                                    collider.AddPlane(portalStart, wallStart, portalStart + wallUpV, wallStart + wallUpV);
                                }
                                if (usePortal.verticalPosition > 0)
                                {
                                    Vector2 portalBaseUVMin = new Vector2(Vector3.Dot(portalEnd, wallDirection), 0);
                                    Vector2 portalBaseUVMax = new Vector2(Vector3.Dot(portalStart, wallDirection), portalBase.y);
                                    mesh.AddPlane(portalEnd, portalStart, portalEnd + portalBase, portalStart + portalBase, portalBaseUVMin, portalBaseUVMax, wallNormal, wallTangent, wallSubmesh, wallSurface);//bottom
                                    if (generateColliders)
                                    {
                                        collider.AddPlane(portalEnd, portalStart, portalEnd + portalBase, portalStart + portalBase);
                                    }
                                }
                                if (usePortal.verticalPosition < 1)
                                {
                                    Vector2 portalBaseUVMin = new Vector2(Vector3.Dot(portalEnd, wallDirection), portalUp.y);
                                    Vector2 portalBaseUVMax = new Vector2(Vector3.Dot(portalStart, wallDirection), wallUp);
                                    mesh.AddPlane(portalEnd + portalUp, portalStart + portalUp, portalEnd + wallUpV, portalStart + wallUpV, portalBaseUVMin, portalBaseUVMax, wallNormal, wallTangent, wallSubmesh, wallSurface);//top
                                    if (generateColliders)
                                    {
                                        collider.AddPlane(portalEnd + portalUp, portalStart + portalUp, portalEnd + wallUpV, portalStart + wallUpV);
                                    }
                                }

                                if (hasPortals[portalIndex])//only do this once - from the room it's attached to
                                {
                                    //portal interior frame
                                    Vector3 portalDepth = wallNormal * wallThickness * 2;

                                    //sides
                                    mesh.AddPlane(portalStart + portalDepth + portalBase, portalStart + portalBase, portalStart + portalDepth + portalUp, portalStart + portalUp, wallDirection, wallNormalTangentReverse, wallSubmesh);
                                    mesh.AddPlane(portalEnd + portalBase, portalEnd + portalDepth + portalBase, portalEnd + portalUp, portalEnd + portalDepth + portalUp, -wallDirection, wallNormalTangent, wallSubmesh);

                                    if (generateMeshColliders)
                                    {
                                        collider.AddPlane(portalStart + portalDepth + portalBase, portalStart + portalBase, portalStart + portalDepth + portalUp, portalStart + portalUp);
                                        collider.AddPlane(portalEnd + portalBase, portalEnd + portalDepth + portalBase, portalEnd + portalUp, portalEnd + portalDepth + portalUp);
                                    }

                                    //floor
                                    Vector2 minFloorUv = new Vector2((portalEnd + portalBase).z, (portalEnd + portalBase).x);
                                    Vector2 maxFloorUv = minFloorUv + new Vector2(wallThickness, usePortal.width);
                                    mesh.AddPlane(portalStart + portalBase, portalStart + portalDepth + portalBase, portalEnd + portalBase, portalEnd + portalDepth + portalBase, minFloorUv, maxFloorUv, Vector3.up, wallTangent, floorSubmesh, floorSurface);
                                    if (generateMeshColliders)
                                    {
                                        collider.AddPlane(portalStart + portalBase, portalStart + portalDepth + portalBase, portalEnd + portalBase, portalEnd + portalDepth + portalBase);
                                    }

                                    //ceiling
                                    mesh.AddPlane(portalEnd + portalUp, portalEnd + portalDepth + portalUp, portalStart + portalUp, portalStart + portalDepth + portalUp, Vector3.down, wallTangent, wallSubmesh);
                                    if (generateMeshColliders)
                                    {
                                        collider.AddPlane(portalEnd + portalUp, portalEnd + portalDepth + portalUp, portalStart + portalUp, portalStart + portalDepth + portalUp);
                                    }
                                }

                                wallStart = portalEnd;//move the start for the next calculation
                            }

                            Vector2 finalWallUVMin = new Vector2(Vector3.Dot(vOffset1, wallDirection), 0);
                            Vector2 finalWallUVMax = new Vector2(Vector3.Dot(wallStart, wallDirection), wallUp);
                            mesh.AddPlane(vOffset1, wallStart, vOffset1 + wallUpV, wallStart + wallUpV, finalWallUVMin, finalWallUVMax, wallNormal, wallTangent, wallSubmesh, wallSurface);//final wall section
                            if (generateColliders)
                            {
                                collider.AddPlane(vOffset1, wallStart, vOffset1 + wallUpV, wallStart + wallUpV);
                            }
                        }
                        offsetPointBase += 1;
                    }
                    else//external anchored wall
                    {
                        int    facadeIndex  = wall.facadeIndex;
                        Facade facadeDesign = volume.GetFacade(facadeIndex);
                        int    currentFacadeWallSectionLength = externalWallAnchors[facadeIndex].Count - 1;
                        int    currentWallSectionIndex        = wall.offsetPointWallSection[0];
                        int    wallOffsetPoints = wall.offsetPoints.Length;
                        for (int w = 0; w < wallOffsetPoints - 1; w++)
                        {
                            int     roomPointIndex   = offsetPointBase + w;
                            Vector2 baseA            = offsetRoomAnchorPoints[roomPointIndex];
                            int     offsetIndexB     = (roomPointIndex + 1) % offsetRoomAnchorPoints.Length;
                            Vector2 baseB            = offsetRoomAnchorPoints[offsetIndexB];
                            Vector3 v0               = new Vector3(baseA.x, 0, baseA.y) + floorBaseV;
                            Vector3 v1               = new Vector3(baseB.x, 0, baseB.y) + floorBaseV;
                            int     wallSectionIndex = wall.offsetPointWallSection[w];

                            bool canGenerateWallSection = facadeDesign != null;

                            Vector3 wallVector = v0 - v1;
                            Vector3 wallDir    = wallVector.normalized;
                            float   wallLength = wallVector.magnitude;

                            if (!canGenerateWallSection)
                            {
                                if (wallSurface != null)
                                {
                                    submeshLibrary.Add(wallSurface);
                                }

                                Vector3 v2 = v1 + wallUpV;
                                Vector3 v3 = v0 + wallUpV;

                                Vector2 minUV       = Vector2.zero;
                                Vector2 maxUV       = new Vector2(Vector2.Distance(baseA, baseB), wallUp);
                                Vector3 wallNormal  = Vector3.Cross(Vector3.up, wallDir);
                                Vector4 wallTangent = BuildRMesh.CalculateTangent(wallDir);
                                mesh.AddPlane(v1, v0, v2, v3, minUV, maxUV, wallNormal, wallTangent, wallSubmesh, wallSurface);

                                if (generateMeshColliders)
                                {
                                    collider.AddPlane(v1, v0, v2, v3);
                                }
                            }
                            else
                            {
                                WallSection section = facadeDesign.GetWallSection(wallSectionIndex, volumeFloor, currentFacadeWallSectionLength, volume.floors);
                                if (section.model != null)
                                {
                                    continue;//cannot account for custom meshes assume custom mesh does include interior mesh or if does - will be generated with the exterior
                                }
                                GenerationOutput generatedSection = GenerationOutput.CreateRawOutput();
                                Vector2          wallSectionSize  = new Vector2(wallLength, wallUp + wallThickness);
                                bool             cullOpening      = building.cullDoors && section.isDoor;
                                SubmeshLibrary   sectionLib       = new SubmeshLibrary();

                                if (wallSurface != null)
                                {
                                    sectionLib.Add(wallSurface);//add interior wall surface
                                    submeshLibrary.Add(wallSurface);
                                }

                                sectionLib.Add(section.openingSurface);//add windows - the only surface we'll use in the interior room
                                submeshLibrary.Add(section.openingSurface);

                                float offset = 0;
                                if (w == 0)
                                {
                                    offset = wallThickness;
                                }
                                if (w == wallOffsetPoints - 2)
                                {
                                    offset = -wallThickness;
                                }
                                WallSectionGenerator.Generate(section, generatedSection, wallSectionSize, true, wallThickness, cullOpening, null, sectionLib, offset);
                                int[]   mapping     = submeshLibrary.MapSubmeshes(generatedSection.raw.materials);
                                Vector3 curveNormal = Vector3.Cross(wallDir, Vector3.up);

                                Quaternion meshRot = Quaternion.LookRotation(curveNormal, Vector3.up);
                                Vector3    meshPos = new Vector3(v1.x, volume.baseHeight, v1.z) + wallDir * wallSectionSize.x + Vector3.up * wallSectionSize.y;
                                meshPos += meshRot * -new Vector3(wallSectionSize.x, wallSectionSize.y, 0) * 0.5f;
                                mesh.AddData(generatedSection.raw, mapping, meshPos, meshRot, Vector3.one);
                            }


                            currentWallSectionIndex++;
                            if (currentWallSectionIndex >= currentFacadeWallSectionLength)
                            {
                                //reached the end of the facade - move to the next one and continue
                                currentFacadeWallSectionLength = externalWallAnchors[facadeIndex].Count;
                                currentWallSectionIndex        = 0;
                            }
                        }

                        offsetPointBase += wallPointCount - 1;
                    }
                }

                //FLOOR
                Vector2[]   mainShape      = offsetRoomAnchorPoints;
                Vector2[][] floorCutPoints = floorCuts.ToArray();
                int         floorVertCount = mainShape.Length;
                for (int flc = 0; flc < floorCutPoints.Length; flc++)
                {
                    floorVertCount += floorCutPoints[flc].Length;
                }

                Vector2[] allFloorPoints  = new Vector2[floorVertCount];
                int       mainShapeLength = mainShape.Length;
                for (int ms = 0; ms < mainShapeLength; ms++)
                {
                    allFloorPoints[ms] = mainShape[ms];
                }
                int cutPointIterator = mainShapeLength;
                for (int flc = 0; flc < floorCutPoints.Length; flc++)
                {
                    for (int flcp = 0; flcp < floorCutPoints[flc].Length; flcp++)
                    {
                        allFloorPoints[cutPointIterator] = floorCutPoints[flc][flcp];
                        cutPointIterator++;
                    }
                }

                Vector3[] floorPoints   = new Vector3[floorVertCount];
                Vector2[] floorUvs      = new Vector2[floorVertCount];
                Vector3[] floorNorms    = new Vector3[floorVertCount];
                Vector4[] floorTangents = new Vector4[floorVertCount];
                for (int rp = 0; rp < floorVertCount; rp++)
                {
                    floorPoints[rp] = new Vector3(allFloorPoints[rp].x, 0, allFloorPoints[rp].y) + floorBaseV;
                    Vector2 uv = allFloorPoints[rp];
                    if (floorSurface != null)
                    {
                        uv = floorSurface.CalculateUV(uv);
                    }
                    floorUvs[rp]      = uv;
                    floorNorms[rp]    = Vector3.up;
                    floorTangents[rp] = tangent;
                }

                int[] tris = Poly2TriWrapper.Triangulate(mainShape, true, floorCutPoints);

                mesh.AddData(floorPoints, floorUvs, tris, floorNorms, floorTangents, floorSubmesh);
                if (generateColliders)
                {
                    collider.mesh.AddData(floorPoints, floorUvs, tris, floorNorms, floorTangents, 0);
                }

                //CEILING!
                Vector2[][] ceilingCutPoints = ceilingCuts.ToArray();
                int         ceilingVertCount = mainShape.Length;
                for (int flc = 0; flc < ceilingCutPoints.Length; flc++)
                {
                    ceilingVertCount += ceilingCutPoints[flc].Length;
                }

                Vector2[] allCeilingPoints = new Vector2[ceilingVertCount];
                for (int ms = 0; ms < mainShapeLength; ms++)
                {
                    allCeilingPoints[ms] = mainShape[ms];
                }
                cutPointIterator = mainShapeLength;
                for (int flc = 0; flc < ceilingCutPoints.Length; flc++)
                {
                    for (int flcp = 0; flcp < ceilingCutPoints[flc].Length; flcp++)
                    {
                        allCeilingPoints[cutPointIterator] = ceilingCutPoints[flc][flcp];
                        cutPointIterator++;
                    }
                }

                Vector3[] ceilingPoints   = new Vector3[ceilingVertCount];
                Vector2[] ceilingUvs      = new Vector2[ceilingVertCount];
                Vector3[] ceilingNorms    = new Vector3[ceilingVertCount];
                Vector4[] ceilingTangents = new Vector4[ceilingVertCount];
                for (int rp = 0; rp < ceilingVertCount; rp++)
                {
                    ceilingPoints[rp] = new Vector3(allCeilingPoints[rp].x, wallUp, allCeilingPoints[rp].y) + floorBaseV;
                    Vector2 uv = allCeilingPoints[rp];
                    if (floorSurface != null)
                    {
                        uv = ceilingSurface.CalculateUV(uv);
                    }
                    ceilingUvs[rp]      = uv;
                    ceilingNorms[rp]    = Vector3.down;
                    ceilingTangents[rp] = tangent;
                }

                tris = Poly2TriWrapper.Triangulate(mainShape, false, ceilingCutPoints);
                mesh.AddData(ceilingPoints, ceilingUvs, tris, ceilingNorms, ceilingTangents, ceilingSubmesh);
                if (generateColliders)
                {
                    collider.mesh.AddData(ceilingPoints, ceilingUvs, tris, ceilingNorms, ceilingTangents, 0);
                }

                for (int ob = 0; ob < openingCount; ob++)
                {
                    VerticalOpening opening      = openings[ob];
                    int             openingIndex = Array.IndexOf(openings, opening);
                    Vector3         basePosition = openingBounds[openingIndex].center;
                    basePosition.z = basePosition.y;
                    basePosition.y = volume.baseHeight;

                    if (roomOpenings.Contains(opening))//opening used in this floorplan
                    {
                        int externalWallSubmesh = wallSubmesh != -1 ? wallSubmesh : -1;
                        switch (opening.usage)
                        {
                        case VerticalOpening.Usages.Space:
                            if (ceilingCutPoints.Length <= ob)
                            {
                                continue;
                            }
                            Vector3   ceilingCutUpV = Vector3.up * wallThickness;
                            Vector2[] ceilingCut    = ceilingCutPoints[ob];
                            int       custSize      = ceilingCut.Length;
                            for (int cp = 0; cp < custSize; cp++)
                            {
                                int     indexA = (cp + 1) % custSize;
                                int     indexB = cp;
                                Vector3 cp0    = new Vector3(ceilingCut[indexA].x, wallUp, ceilingCut[indexA].y) + floorBaseV;
                                Vector3 cp1    = new Vector3(ceilingCut[indexB].x, wallUp, ceilingCut[indexB].y) + floorBaseV;
                                Vector3 cp2    = cp0 + ceilingCutUpV;
                                Vector3 cp3    = cp1 + ceilingCutUpV;
                                mesh.AddPlane(cp0, cp1, cp2, cp3, ceilingSubmesh);
                                if (generateColliders)
                                {
                                    collider.AddPlane(cp0, cp1, cp2, cp3);
                                }
                            }
                            break;

                        case VerticalOpening.Usages.Stairwell:
                            StaircaseGenerator.Generate(mesh, opening, basePosition, volume.floorHeight, actualFloor, externalWallSubmesh, sendCollider);
                            if (volumeFloor == volume.floors - 1 && opening.baseFloor + opening.floors > building.VolumeBaseFloor(volume) + volume.floors - 1 && volume.abovePlanCount == 0)
                            {
                                StaircaseGenerator.GenerateRoofAccess(mesh, opening, basePosition, volume.floorHeight, actualFloor, externalWallSubmesh, sendCollider);
                            }
                            break;

                        case VerticalOpening.Usages.Elevator:
                            ElevatorShaftGenerator.Generate(ref mesh, opening, actualFloor, basePosition, volume.floorHeight, externalWallSubmesh, sendCollider);
                            break;
                        }
                    }
                }
            }

            for (int ob = 0; ob < openingCount; ob++)
            {
                Vector2[] openingShape = openingShapes[ob];
                if (openingShape == null)
                {
                    continue;                      //opening not used by this floorplan
                }
                if (openingUsedInThisFloor[ob])
                {
                    continue;                            //opening already generated
                }
                //seal this opening from the void
                VerticalOpening opening      = openings[ob];
                int             openingIndex = Array.IndexOf(openings, opening);
                Vector3         basePosition = openingBounds[openingIndex].center;
                basePosition.z = basePosition.y;
                basePosition.y = 0;

                int       cutSize            = openingShape.Length;
                Vector3   sealingWallUpV     = Vector3.up * volume.floorHeight;
                int       sealWallSubmesh    = submeshLibrary.SubmeshAdd(opening.surfaceB);
                Vector2[] offsetOpeningShape = QuickPolyOffset.Execute(openingShape, wallThickness);
                for (int cp = 0; cp < cutSize; cp++)
                {
                    int     indexA = (cp + 1) % cutSize;
                    int     indexB = cp;
                    Vector2 p0     = opening.usage == VerticalOpening.Usages.Space ? openingShape[indexA] : offsetOpeningShape[indexA];
                    Vector2 p1     = opening.usage == VerticalOpening.Usages.Space ? openingShape[indexB] : offsetOpeningShape[indexB];
                    Vector3 cp0    = new Vector3(p0.x, 0, p0.y) + floorBaseV;
                    Vector3 cp1    = new Vector3(p1.x, 0, p1.y) + floorBaseV;
                    Vector3 cp2    = cp0 + sealingWallUpV;
                    Vector3 cp3    = cp1 + sealingWallUpV;
                    mesh.AddPlane(cp0, cp1, cp2, cp3, sealWallSubmesh);
                    if (generateColliders)
                    {
                        collider.AddPlane(cp0, cp1, cp2, cp3);
                    }
                }

                switch (opening.usage)
                {
                case VerticalOpening.Usages.Space:
                    //nothing to implement
                    break;

                case VerticalOpening.Usages.Stairwell:
                    //need stairs to connect used floors
                    StaircaseGenerator.GenerateStairs(mesh, opening, basePosition, volume.floorHeight, actualFloor, -1, sendCollider);
                    if (volumeFloor == volume.floors - 1)
                    {
                        StaircaseGenerator.GenerateRoofAccess(mesh, opening, basePosition, volume.floorHeight, actualFloor, -1, sendCollider);
                    }
                    break;

                case VerticalOpening.Usages.Elevator:
                    //nothing to implement
                    break;
                }
            }
        }
Beispiel #5
0
        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);
            }
        }