Re: What am I doing wrong ?

From:
watkinsdev@hotmail.com
Newsgroups:
comp.lang.c++
Date:
5 May 2007 12:36:07 -0700
Message-ID:
<1178393767.591505.264840@o5g2000hsb.googlegroups.com>
On 5 May, 19:40, Rolf Magnus <ramag...@t-online.de> wrote:

watkins...@hotmail.com wrote:

I have re-written the application from passing pointers to the mesh
object to functions to an application that passes references but I
still get the same type of problem.


Sounds reasonable, if that was the only change you made.

in my current version, I declare a reference, m_ref and then pass
this object


You mean the object it refers to? Why are you creating a reference first?

to the following sequence of function calls :

create sphere ( my_mesh& p_mesh ) returning p_mesh.

select_vertex_cluster ( my_mesh& p_mesh ) returning p_mesh.

Edit_vertex_cluster (( my_mesh& p_mesh ) returning p_mesh.)

If I call the Edit_vertex_cluster , for a second time, it just cannot
find any data, that has been created previously within the object.


There is not enough information to say what is wrong.

I would guess that you are attempting to reseat a reference, which you
can
not do. Other than that, I would have to see the code.- Hide quoted text
-

- Show quoted text -


Is a reference reset if a return value is passed back to it ?


I have no idea what you mean by that. There is no way to "reset" a
reference. Everything you do after it's initialized is done to the object
it refers to.


Sorry, I am not wearing glasses, reset/reseat

Anyhow here's some code ,I apologie if it looks, un-together.

//////////////////////////////////////////////////////////////////////
// Setting up the references and pointers, Globaly
//////////////////////////////////////////////////////////////////////

m_model& m_ref = oooo;
m_model& b_ref = uuuu;
m_model* tmp;
m_model* z_mesh;

///////////////////////////////
// create sphere
///////////////////////////////

tmp = new m_model
                    ;
D3DXCreateSphere(my3d_device,0.5, 32, 32,&tmp->m_Mesh, NULL);
m_ref = oooo;
m_ref = m_ref.copy_sphere(my3d_device,tmp, m_ref );
m_ref = m_ref.m_x_rotate(m_ref, 90.0, 1);
oooo.X = 0;
oooo.Y = 0;
oooo.Z = 0;
cluster_mesh[mesh_index] = m_ref;
mesh_index++;

///////////////////////////////////////
// Getting and setting a vertex cluster
///////////////////////////////////////

if( f_thru == true )
{
    m_ref.vIndex = new WORD [4];
m_ref.Cull_Type = new int [4];
    f_thru = false;
}
else
{
    delete[] m_ref.vIndex;
    m_ref.vIndex = new WORD [4];
    delete[] m_ref.Cull_Type;
    m_ref.Cull_Type = new int [4];
i_pos = 0;
}

switch(type_cursor)
{
    case 1:

    numberOfpoints = 4;

    break;

 . . .

}

m_ref.Get_cursor_Onject_data(m_ref, type_cursor, numberOfpoints);

/////////////////////////
//Edit mesh object
/////////////////////////
m_ref = m_ref.process_Sub_Trunc_Level_Extrude( m_ref,
my3d_device ,
scale_value, true, e_type );

cluster_mesh[0] = m_ref;

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