//Returns segnum, or -1
public int InsertSegmentSelectedSide(bool regular = false)
{
if (selected_side > -1 && selected_segment > -1)
{
Side s = segment[selected_segment].side[selected_side];
if (s.segment.neighbor[selected_side] < 0)
{
Vector3 side_normal = -s.FindNormal();
Vector3 side_right = s.FindBestEdgeDir(); // s.FindEdgeDir(0);
Vector3 side_up = Vector3.Cross(side_normal, side_right).Normalized();
Vector3 side_center = s.FindCenter();
int idx_new = InsertSegmentBasic(s, side_center, side_normal, side_right, side_up, regular, editor.CurrExtrudeLength);
segment[idx_new].CopyTexturesAndDecalsFromSegmentAtBack(segment[selected_segment], selected_side);
s.DisableDecals();
// Tag the two segments (for refreshing decals)
UnTagAllSegments();
segment[idx_new].m_tag = true;
s.segment.m_tag = true;
// Select the new cube (depending on the option)
if (editor.ShouldInsertAdvance)
{
selected_segment = idx_new;
//selected_side = (int)SideOrder.FRONT;
}
return(idx_new);
}
else
{
// Already has a neighbor
}
}
else
{
// Nothing selected
}
return(-1);
}
public void FindBaseAttributes(Decal d)
{
Side s = d.side;
m_base_normal = s.FindNormal();
// Center position
switch (d.align)
{
case DecalAlign.TEXTURE:
m_base_pos = s.FindUVCenterIn3D();
break;
case DecalAlign.CENTER:
m_base_pos = s.FindCenter();
break;
case DecalAlign.EDGE_RIGHT:
case DecalAlign.EDGE_DOWN:
case DecalAlign.EDGE_LEFT:
case DecalAlign.EDGE_UP:
m_base_pos = s.FindEdgeCenter((int)d.align - (int)DecalAlign.EDGE_RIGHT);
break;
}
m_base_rvec = Vector3.Zero;
// Up vector
switch (d.align)
{
case DecalAlign.TEXTURE:
m_base_uvec = s.FindUVUpVector();
break;
case DecalAlign.CENTER:
m_base_uvec = s.FindBestEdgeDir();
break;
case DecalAlign.EDGE_RIGHT:
case DecalAlign.EDGE_DOWN:
case DecalAlign.EDGE_LEFT:
case DecalAlign.EDGE_UP:
m_base_rvec = -s.FindEdgeDir((int)d.align - (int)DecalAlign.EDGE_RIGHT);
m_base_uvec = Vector3.Cross(m_base_normal, m_base_rvec);
break;
}
// Find the right vec for cases we haven't already
if (m_base_rvec == Vector3.Zero)
{
m_base_rvec = Vector3.Cross(m_base_uvec, m_base_normal);
}
// Apply the rotation of the decal properties to the Up and Right Vector
Matrix4 vec_rot = Matrix4.CreateFromAxisAngle(m_base_normal, d.RotationAngle());
m_base_uvec = Vector3.TransformNormal(m_base_uvec, vec_rot);
m_base_rvec = Vector3.TransformNormal(m_base_rvec, vec_rot);
// Base rotation
m_base_rot = Matrix4.Transpose(Matrix4.LookAt(Vector3.Zero, m_base_normal, m_base_uvec));
}