static Mesh GenerateMesh(BSPModelGeometry geometry)
{
List <Vector3> vertices = new List <Vector3>();
List <int> triangles = new List <int>();
List <Vector2> uvs = new List <Vector2>();
var g = geometry.mesh;
for (int vi = 0, ti = 0; vi < g.vertices.Length; vi += 3, ti += 3)
{
vertices.Add(BSPFile.TransformVector(g.vertices[vi + 0]));
vertices.Add(BSPFile.TransformVector(g.vertices[vi + 1]));
vertices.Add(BSPFile.TransformVector(g.vertices[vi + 2]));
uvs.Add(g.uvs[vi + 0]);
uvs.Add(g.uvs[vi + 1]);
uvs.Add(g.uvs[vi + 2]);
triangles.Add(ti + 2);
triangles.Add(ti + 1);
triangles.Add(ti + 0);
}
Mesh mesh = new Mesh();
mesh.name = "Brush Mesh";
mesh.vertices = vertices.ToArray();
mesh.uv = uvs.ToArray();
mesh.triangles = triangles.ToArray();
mesh.RecalculateNormals();
return(mesh);
}
static void GenerateBrush(BSPFile bsp, GameObject brush, BSPModelGeometry geometry, IList <Material> materials)
{
var mesh = GenerateMesh(geometry);
var meshFilter = brush.GetComponent <MeshFilter>();
meshFilter.sharedMesh = mesh;
var meshRenderer = brush.GetComponent <MeshRenderer>();
meshRenderer.material = materials[(int)geometry.tex_id];
}
