private void Create(MyMesh mesh, Quadrangle quad, float[] points)
{
float x = quad.x + offsetX;
float y = quad.y + offsetY - 1;
float z = quad.z + offsetZ;
MyColor[] color = quad.color;
for (int j = 0; j < 4; j++)
{
var p = mesh.pcount++;
var dx = points[j * 3 + 0] * quad.dx;
var dy = points[j * 3 + 1] * quad.dy;
var dz = points[j * 3 + 2] * quad.dz;
mesh.vertices[p * 3 + 0] = (x + dx) * Voxels.VoxelSize; //x
mesh.vertices[p * 3 + 1] = (y + dy) * Voxels.VoxelSize; //y
mesh.vertices[p * 3 + 2] = (z + dz) * Voxels.VoxelSize; //z
mesh.colors[p * 3 + 0] = color[j].R / 255f;
mesh.colors[p * 3 + 1] = color[j].G / 255f;
mesh.colors[p * 3 + 2] = color[j].B / 255f;
}
int ind = mesh.index++;
if (color[1].Same(color[2], 8) || !color[0].Same(color[3], 8))
{
mesh.indices[ind * 6 + 0] = ind * 4 + 0;
mesh.indices[ind * 6 + 1] = ind * 4 + 2;
mesh.indices[ind * 6 + 2] = ind * 4 + 1;
mesh.indices[ind * 6 + 3] = ind * 4 + 2;
mesh.indices[ind * 6 + 4] = ind * 4 + 3;
mesh.indices[ind * 6 + 5] = ind * 4 + 1;
}
else
{
mesh.indices[ind * 6 + 0] = ind * 4 + 0;
mesh.indices[ind * 6 + 1] = ind * 4 + 3;
mesh.indices[ind * 6 + 2] = ind * 4 + 1;
mesh.indices[ind * 6 + 3] = ind * 4 + 2;
mesh.indices[ind * 6 + 4] = ind * 4 + 3;
mesh.indices[ind * 6 + 5] = ind * 4 + 0;
}
}
//Создает новый меш, в котором объеденены одинаковые точки
public MyMesh Optimize()
{
if (!bOptimize)
{
return(this);
}
int pointn = 0;
var points = new Dictionary <string, int>();
var newMesh = new MyMesh(pcount, index);
var newindices = new int[pcount];
for (int i = 0; i < pcount; i++) //пробегаем по всем точкам
{
var x = (int)Math.Round(vertices[i * 3 + 0] / Voxels.VoxelSize);
var y = (int)Math.Round(vertices[i * 3 + 1] / Voxels.VoxelSize);
var z = (int)Math.Round(vertices[i * 3 + 2] / Voxels.VoxelSize);
int r, g, b;
if (bOptimizeIgnoreColor)
{
r = g = b = 0;
}
else
{
r = (int)Math.Round(colors[i * 3 + 0] * 255);
g = (int)Math.Round(colors[i * 3 + 1] * 255);
b = (int)Math.Round(colors[i * 3 + 2] * 255);
}
int p;
var key = string.Format("{0} {1} {2} {3} {4} {5}", x, y, z, r, g, b);
if (points.ContainsKey(key))
{
p = points[key];
}
else
{
int vert = newMesh.pcount++;
newMesh.vertices[vert * 3 + 0] = vertices[i * 3 + 0];
newMesh.vertices[vert * 3 + 1] = vertices[i * 3 + 1];
newMesh.vertices[vert * 3 + 2] = vertices[i * 3 + 2];
newMesh.colors[vert * 3 + 0] = colors[i * 3 + 0];
newMesh.colors[vert * 3 + 1] = colors[i * 3 + 1];
newMesh.colors[vert * 3 + 2] = colors[i * 3 + 2];
points[key] = p = pointn++;
}
newindices[i] = p;
}
newMesh.index = index;
for (int i = 0; i < index * 6; i++) //пробегаем по всем индексам
{
newMesh.indices[i] = newindices[indices[i]];
}
return(newMesh);
}
public MyMesh Build(LocationCreator lc, int k = 4, int m = 4)
{
var qy1 = QuadGroup(quadranglesY1, q => q.y);
var qx0 = QuadGroup(quadranglesX0, q => q.x);
var qx1 = QuadGroup(quadranglesX1, q => q.x);
var qz0 = QuadGroup(quadranglesZ0, q => q.z);
var qz1 = QuadGroup(quadranglesZ1, q => q.z);
if (bOptimizeEd)
{
if (k > 1)
{
qy1 = qy1.Select(x => QuadrangleOptimizeX(x, k, k).ToList());
qy1 = qy1.Select(x => QuadrangleOptimizeZ(x, k, k).ToList());
}
if (m > 1)
{
qx0 = qx0.Select(x => QuadrangleOptimizeY(x, m, m).ToList());
qx0 = qx0.Select(x => QuadrangleOptimizeZ(x, m, m).ToList());
qx1 = qx1.Select(x => QuadrangleOptimizeY(x, m, m).ToList());
qx1 = qx1.Select(x => QuadrangleOptimizeZ(x, m, m).ToList());
qz0 = qz0.Select(x => QuadrangleOptimizeX(x, m, m).ToList());
qz0 = qz0.Select(x => QuadrangleOptimizeY(x, m, m).ToList());
qz1 = qz1.Select(x => QuadrangleOptimizeX(x, m, m).ToList());
qz1 = qz1.Select(x => QuadrangleOptimizeY(x, m, m).ToList());
}
}
if (bOptimize3)
{
qy1 = qy1.Select(x => QuadrangleOptimizeX(x, 4, 4).ToList());
qy1 = qy1.Select(x => QuadrangleOptimizeZ(x, 4, 4).ToList());
qx0 = qx0.Select(x => QuadrangleOptimizeY(x, 4, 4).ToList());
qx0 = qx0.Select(x => QuadrangleOptimizeZ(x, 4, 4).ToList());
qx1 = qx1.Select(x => QuadrangleOptimizeY(x, 4, 4).ToList());
qx1 = qx1.Select(x => QuadrangleOptimizeZ(x, 4, 4).ToList());
qz0 = qz0.Select(x => QuadrangleOptimizeX(x, 4, 4).ToList());
qz0 = qz0.Select(x => QuadrangleOptimizeY(x, 4, 4).ToList());
qz1 = qz1.Select(x => QuadrangleOptimizeX(x, 4, 4).ToList());
qz1 = qz1.Select(x => QuadrangleOptimizeY(x, 4, 4).ToList());
}
if (k > 4)
{
if (bOptimize3)
{
qy1 = qy1.Select(x => QuadrangleOptimizeX(x, k, k).ToList());
qy1 = qy1.Select(x => QuadrangleOptimizeZ(x, k, k).ToList());
qx0 = qx0.Select(x => QuadrangleOptimizeY(x, k, k).ToList());
qx0 = qx0.Select(x => QuadrangleOptimizeZ(x, k, k).ToList());
qx1 = qx1.Select(x => QuadrangleOptimizeY(x, k, k).ToList());
qx1 = qx1.Select(x => QuadrangleOptimizeZ(x, k, k).ToList());
qz0 = qz0.Select(x => QuadrangleOptimizeX(x, k, k).ToList());
qz0 = qz0.Select(x => QuadrangleOptimizeY(x, k, k).ToList());
qz1 = qz1.Select(x => QuadrangleOptimizeX(x, k, k).ToList());
qz1 = qz1.Select(x => QuadrangleOptimizeY(x, k, k).ToList());
}
}
if (bOptimize2 && k > 1)
{
qy1 = qy1.Select(x => QuadrangleOptimizeX(x, 1, k).ToList());
qy1 = qy1.Select(x => QuadrangleOptimizeZ(x, 1, k).ToList());
qx0 = qx0.Select(x => QuadrangleOptimizeY(x, 1, k).ToList());
qx0 = qx0.Select(x => QuadrangleOptimizeZ(x, 1, k).ToList());
qx1 = qx1.Select(x => QuadrangleOptimizeY(x, 1, k).ToList());
qx1 = qx1.Select(x => QuadrangleOptimizeZ(x, 1, k).ToList());
qz0 = qz0.Select(x => QuadrangleOptimizeX(x, 1, k).ToList());
qz0 = qz0.Select(x => QuadrangleOptimizeY(x, 1, k).ToList());
qz1 = qz1.Select(x => QuadrangleOptimizeX(x, 1, k).ToList());
qz1 = qz1.Select(x => QuadrangleOptimizeY(x, 1, k).ToList());
}
var _qy1 = qy1.ToList();
var _qx0 = qx0.ToList();
var _qx1 = qx1.ToList();
var _qz0 = qz0.ToList();
var _qz1 = qz1.ToList();
var count = _qy1.Sum(x => x.Count) + _qx0.Sum(x => x.Count) + _qx1.Sum(x => x.Count) + _qz0.Sum(x => x.Count) + _qz1.Sum(x => x.Count);
if (count == 0)
{
return(null);
}
var mesh = new MyMesh(count * 4, count);
foreach (var quads in _qy1)
{
foreach (var quad in quads)
{
Create(mesh, quad, orientVertices[QuadOrient.y1]);
}
}
foreach (var quads in _qx0)
{
foreach (var quad in quads)
{
Create(mesh, quad, orientVertices[QuadOrient.x0]);
}
}
foreach (var quads in _qx1)
{
foreach (var quad in quads)
{
Create(mesh, quad, orientVertices[QuadOrient.x1]);
}
}
foreach (var quads in _qz0)
{
foreach (var quad in quads)
{
Create(mesh, quad, orientVertices[QuadOrient.z0]);
}
}
foreach (var quads in _qz1)
{
foreach (var quad in quads)
{
Create(mesh, quad, orientVertices[QuadOrient.z1]);
}
}
mesh = mesh.Optimize();
return(mesh);
}