//TODO support custom models coming in from roof design
public static void Generate(ref BuildRMesh mesh, IVolume volume, List <Vector3[]> roofFaces)
{
Roof design = volume.roof;
float roofDepth = design.depth;
float roofHeight = design.height;
float dormerWidth = design.dormerWidth;
float dormerHeight = design.dormerHeight;
int dormerRows = design.dormerRows;
if (dormerHeight * dormerRows > roofHeight)
{
dormerHeight = roofHeight / dormerRows;
}
float dormerRoofHeight = design.dormerRoofHeight;
float roofPitchRad = Mathf.Atan2(roofHeight, roofDepth);
float roofHyp = Mathf.Sqrt(roofDepth * roofDepth + roofHeight * roofHeight);//todo make a proper calculation - this is incorrect
float dormerDepth = Mathf.Cos(roofPitchRad) * dormerHeight;
float dormerHyp = Mathf.Sqrt(dormerHeight * dormerHeight + dormerDepth * dormerDepth);
float dormerRowSpace = roofHyp / dormerRows;
dormerHyp = Mathf.Min(dormerHyp, dormerRowSpace);
float dormerSpace = dormerRowSpace - dormerHyp;
float dormerSpaceLerp = dormerSpace / roofHyp;
if (INTERNAL_B_MESH == null)
{
INTERNAL_B_MESH = new BuildRMesh("internal dormer");
}
INTERNAL_B_MESH.Clear();
INTERNAL_B_MESH.submeshLibrary.AddRange(mesh.submeshLibrary.MATERIALS.ToArray());
Vector3 bpl = Vector3.left * dormerWidth * 0.5f;
Vector3 bpr = Vector3.right * dormerWidth * 0.5f;
Vector3 tpc = Vector3.up * dormerHeight;
float dormerFaceHeight = dormerHeight - dormerHeight * dormerRoofHeight;
Vector3 tpl = bpl + Vector3.up * dormerFaceHeight;
Vector3 tpr = bpr + Vector3.up * dormerFaceHeight;
Vector3 rpc = tpc + Vector3.back * dormerDepth;
Vector3 rpl = tpl + Vector3.back * dormerDepth;
Vector3 rpr = tpr + Vector3.back * dormerDepth;
Surface mainSurface = design.mainSurface;
Surface wallSurface = design.wallSurface;
int mainSubmesh = mesh.submeshLibrary.SubmeshAdd(mainSurface);
int wallSubmesh = mesh.submeshLibrary.SubmeshAdd(wallSurface);
Vector2 sectionSize = new Vector2(dormerWidth, dormerFaceHeight);
if (design.wallSection && design.wallSection.CanRender(sectionSize))
{
// mesh.submeshLibrary.Add(design.wallSection);
mesh.submeshLibrary.Add(design.wallSection);
GenerationOutput output = GenerationOutput.CreateRawOutput();
WallSectionGenerator.Generate(design.wallSection, output, sectionSize, false, 0.02f, false, null, mesh.submeshLibrary);
Vector3 sectionPos = new Vector3(0, dormerFaceHeight * 0.5f, 0);
int[] mapping = new int[output.raw.materials.Count];
for (int s = 0; s < output.raw.materials.Count; s++)
{
mapping[s] = 0;
}
INTERNAL_B_MESH.AddDataKeepSubmeshStructure(output.raw, sectionPos, Quaternion.Euler(0, 180, 0), Vector3.one);
}
else
{
INTERNAL_B_MESH.AddPlane(bpr, bpl, tpr, tpl, wallSubmesh);//dormer front square
}
//front triangle
INTERNAL_B_MESH.AddTri(tpl, tpr, tpc, Vector3.right, wallSubmesh);
//roof
Vector3 normalRoofRight = Vector3.Cross((tpr - tpc).normalized, (rpc - tpc).normalized);
Vector4 tangentRoofRight = BuildRMesh.CalculateTangent(Vector3.back);
Vector3 normalRoofLeft = Vector3.Cross((rpc - tpc).normalized, (tpl - tpc).normalized);
Vector4 tangentRoofLeft = BuildRMesh.CalculateTangent(Vector3.forward);
Vector2 roofUvMax = new Vector2(dormerDepth, Vector3.Distance(tpc, tpl));
INTERNAL_B_MESH.AddPlane(rpr, tpr, rpc, tpc, Vector2.zero, roofUvMax, normalRoofRight, tangentRoofRight, mainSubmesh, mainSurface);
INTERNAL_B_MESH.AddPlane(rpc, tpc, rpl, tpl, Vector2.zero, roofUvMax, normalRoofLeft, tangentRoofLeft, mainSubmesh, mainSurface);
//side triangles
INTERNAL_B_MESH.AddTri(bpr, rpr, tpr, Vector3.back, wallSubmesh);
INTERNAL_B_MESH.AddTri(bpl, tpl, rpl, Vector3.back, wallSubmesh);
RawMeshData data = RawMeshData.CopyBuildRMesh(INTERNAL_B_MESH);
int roofFaceCount = roofFaces.Count;
for (int r = 0; r < roofFaceCount; r++)
{
Vector3[] roofFace = roofFaces[r];
Vector3 p0 = roofFace[0];
Vector3 p1 = roofFace[1];
Vector3 p2 = roofFace[2];
Vector3 p3 = roofFace[3];
//center line
Vector3 pDB = Vector3.Lerp(p0, p1, 0.5f);
Vector3 facadeVector = p1 - p0;
Vector3 facadeDirection = facadeVector.normalized;
Vector3 facadeNormal = Vector3.Cross(Vector3.up, facadeDirection);
Vector3 projTL = p0 + Vector3.Project(p2 - p0, facadeDirection);
Vector3 projTR = p1 + Vector3.Project(p3 - p1, facadeDirection);
float sqrMagP0 = Vector3.SqrMagnitude(p0 - pDB);
float sqrMagP1 = Vector3.SqrMagnitude(p1 - pDB);
float sqrMagP2 = Vector3.SqrMagnitude(projTL - pDB);
float sqrMagP3 = Vector3.SqrMagnitude(projTR - pDB);
Vector3 dormerBaseLeft = sqrMagP0 < sqrMagP2 ? p0 : projTL;
Vector3 dormerBaseRight = sqrMagP1 < sqrMagP3 ? p1 : projTR;
Vector3 roofNormal = BuildRMesh.CalculateNormal(p0, p2, p1);
Vector3 roofUp = Vector3.Cross(roofNormal, -facadeDirection);
float actualHyp = sqrMagP0 < sqrMagP2?Vector3.Distance(p0, p2 + Vector3.Project(p0 - p2, facadeDirection)) : Vector3.Distance(projTL, p2);
Vector3 dormerTopLeft = dormerBaseLeft + roofUp * actualHyp;
Vector3 dormerTopRight = dormerBaseRight + roofUp * actualHyp;
float topLength = Vector3.Distance(dormerBaseLeft, dormerBaseRight);
int numberOfDormers = Mathf.FloorToInt((topLength - design.minimumDormerSpacing * 2) / (design.minimumDormerSpacing + dormerWidth));
if (numberOfDormers == 0)
{
if (topLength > sectionSize.x)
{
numberOfDormers = 1;
}
}
for (int dr = 0; dr < dormerRows; dr++)
{
float rowPercent = dr / (dormerRows + 0f) + dormerSpaceLerp * 0.5f;
//row vector
Vector3 rl = Vector3.Lerp(dormerBaseLeft, dormerTopLeft, rowPercent);
Vector3 rr = Vector3.Lerp(dormerBaseRight, dormerTopRight, rowPercent);
for (int dc = 0; dc < numberOfDormers; dc++)
{
float columnPercent = (dc + 1f) / (numberOfDormers + 1f);
Vector3 dormerBegin = Vector3.Lerp(rl, rr, columnPercent);
Quaternion meshRot = Quaternion.LookRotation(facadeNormal, Vector3.up);
Vector3 meshPos = dormerBegin;
//TODO account for the mesh mode of the wall section - custom meshes
mesh.AddDataKeepSubmeshStructure(data, meshPos, meshRot, Vector3.one);
}
}
}
}
