void AddTrianglesGroupDoodads(TriangleCollection s, ModelInstance mi, Vec3D world_dir, Vec3D world_off, float rot)
{
float dx = mi.pos.x;
float dy = mi.pos.y;
float dz = mi.pos.z;
rotate(dx, dz, rot + 90f, out dx, out dz);
dx += world_off.x;
dy += world_off.y;
dz += world_off.z;
Quaternion q;
q.x = mi.dir.z;
q.y = mi.dir.x;
q.z = mi.dir.y;
q.w = mi.w;
Matrix4 rotMatrix = new Matrix4();
rotMatrix.makeQuaternionRotate(q);
Model m = mi.model;
if (m.boundingTriangles == null)
{
}
else
{
// We got boiuding stuff, that is better
int nBoundingVertices = m.boundingVertices.Length / 3;
int[] vertices = new int[nBoundingVertices];
for (uint i = 0; i < nBoundingVertices; i++)
{
uint off = i * 3;
float x = m.boundingVertices[off];
float y = m.boundingVertices[off + 2];
float z = m.boundingVertices[off + 1];
x *= mi.sc;
y *= mi.sc;
z *= -mi.sc;
Vector pos;
pos.x = x;
pos.y = y;
pos.z = z;
Vector new_pos = rotMatrix.mutiply(pos);
x = pos.x;
y = pos.y;
z = pos.z;
float dir_x = world_dir.z;
float dir_y = world_dir.y - 90;
float dir_z = -world_dir.x;
rotate(z, y, dir_x, out z, out y);
rotate(x, y, dir_z, out x, out y);
rotate(x, z, dir_y, out x, out z);
float xx = x + dx;
float yy = y + dy;
float zz = -z + dz;
float finalx = ChunkReader.ZEROPOINT - zz;
float finaly = ChunkReader.ZEROPOINT - xx;
float finalz = yy;
vertices[i] = s.AddVertex(finalx, finaly, finalz);
}
int nBoundingTriangles = m.boundingTriangles.Length / 3;
for (uint i = 0; i < nBoundingTriangles; i++)
{
uint off = i * 3;
int v0 = vertices[m.boundingTriangles[off]];
int v1 = vertices[m.boundingTriangles[off + 1]];
int v2 = vertices[m.boundingTriangles[off + 2]];
s.AddTriangle(v0, v2, v1, ChunkedTriangleCollection.TriangleFlagModel);
}
}
}