public static Mesh ArrayToMesh(int[,,] a)
{
Mesh mesh = new Mesh();
verts = new List <Vector3>();
tris = new List <int>();
uv = new List <Vector2>();
WallScript[,,] wall = new WallScript[a.GetLength(0), a.GetLength(1), a.GetLength(2)];
for (int i = 0; i < a.GetLength(0); i++)
{
for (int j = 0; j < a.GetLength(1); j++)
{
for (int k = 0; k < a.GetLength(2); k++)
{
if (a[i, j, k] == 1)
{
WallScript w = new WallScript();
wall[i, j, k] = w;
w.SetNeighbors(
i == 0?null:wall[i - 1, j, k],
j == 0?null:wall[i, j - 1, k],
k == 0?null:wall[i, j, k - 1]);
}
else
{
wall[i, j, k] = null;
}
}
}
}
for (int i = 0; i < wall.GetLength(0); i++)
{
for (int j = 0; j < wall.GetLength(1); j++)
{
for (int k = 0; k < wall.GetLength(2); k++)
{
if (wall[i, j, k] != null)
{
wall[i, j, k].GetNeeds();
}
}
}
}
for (int i = 0; i < wall.GetLength(0); i++)
{
for (int j = 0; j < wall.GetLength(1); j++)
{
for (int k = 0; k < wall.GetLength(2); k++)
{
if (wall[i, j, k] != null)
{
if (wall[i, j, k].needFront)
{
Vector2 side = wall[i, j, k].GetFrontWall();
if (side != Vector2.zero)
{
AddWall(new Vector3(i - .5f, j - .5f, k + .5f)
, new Vector3(i + side.x - .5f, j - .5f, k + .5f)
, new Vector3(i - .5f, j + side.y - .5f, k + .5f)
, new Vector3(i + side.x - .5f, j + side.y - .5f, k + .5f), true);
}
}
if (wall[i, j, k].needBack)
{
Vector2 side = wall[i, j, k].GetBackWall();
if (side != Vector2.zero)
{
AddWall(new Vector3(i - .5f, j - .5f, k - .5f)
, new Vector3(i - .5f, j + side.y - .5f, k - .5f)
, new Vector3(i + side.x - .5f, j - .5f, k - .5f)
, new Vector3(i + side.x - .5f, j + side.y - .5f, k - .5f));
}
}
if (wall[i, j, k].needRight)
{
Vector2 side = wall[i, j, k].GetRightWall();
if (side != Vector2.zero)
{
AddWall(new Vector3(i + .5f, j - .5f, k - .5f)
, new Vector3(i + .5f, j + side.y - .5f, k - .5f)
, new Vector3(i + .5f, j - .5f, k + side.x - .5f)
, new Vector3(i + .5f, j + side.y - .5f, k + side.x - .5f));
}
}
if (wall[i, j, k].needLeft)
{
Vector2 side = wall[i, j, k].GetLeftWall();
if (side != Vector2.zero)
{
AddWall(new Vector3(i - .5f, j - .5f, k - .5f)
, new Vector3(i - .5f, j - .5f, k + side.x - .5f)
, new Vector3(i - .5f, j + side.y - .5f, k - .5f)
, new Vector3(i - .5f, j + side.y - .5f, k + side.x - .5f), true);
}
}
if (wall[i, j, k].needUp)
{
Vector2 side = wall[i, j, k].GetUpWall();
if (side != Vector2.zero)
{
AddWall(new Vector3(i - .5f, j - .5f, k - .5f)
, new Vector3(i - .5f + side.y, j - .5f, k - .5f)
, new Vector3(i - .5f, j - .5f, k + side.x - .5f)
, new Vector3(i - .5f + side.y, j - .5f, k + side.x - .5f));
}
}
if (wall[i, j, k].needDown)
{
Vector2 side = wall[i, j, k].GetDownWall();
if (side != Vector2.zero)
{
AddWall(new Vector3(i - .5f, j + .5f, k - .5f)
, new Vector3(i - .5f, j + .5f, k + side.x - .5f)
, new Vector3(i - .5f + side.y, j + .5f, k - .5f)
, new Vector3(i - .5f + side.y, j + .5f, k + side.x - .5f), true);
}
}
}
}
}
}
Vector3[] v = new Vector3[verts.Count];
Vector2[] u = new Vector2[uv.Count];
int[] t = new int[tris.Count];
verts.CopyTo(v);
uv.CopyTo(u);
tris.CopyTo(t);
mesh.vertices = v;
mesh.triangles = t;
mesh.uv = u;
mesh.RecalculateNormals();
//mesh.Optimize();
wall = null;
return(mesh);
}
