opengl not working... help please

[Chiblue]

I am using pretty much standard open GL functions to allow me to rotate objects... but I do not know what I am doing wrong maybe there is something I need to initialisze first but I am calling my leglDrawImageRect which I have included which in a different project loads the image ang rotates it in a 2d environment... here is the associated code... can someone help??

 

void leglBegin(TCamera camera, float zoom, CullMode cm)
{
   // Setup projetion according to argument
   if (NULL != camera)
   {
       // Save current projection matrix. Then reset
       glMatrixMode(GL_PROJECTION); glPushMatrix(); 
       glLoadIdentity();

       // Calculate the view frustum
       float nearRange, farRange; GetCameraRange(camera, nearRange, farRange);
       float theta = 1.0f / zoom; // tan(45°) = 1.0f
       float aspect = float(BufferWidth(CurrentBuffer()))/BufferHeight(CurrentBuffer());
       glFrustum (-nearRange*theta, nearRange*theta, -nearRange/aspect*theta, nearRange/aspect*theta, nearRange,farRange);

       // Reset transformation
       glMatrixMode(GL_MODELVIEW); glPushMatrix();
       glLoadIdentity();

       // LE uses a differently handed coordinate system than ogl does
       glScalef(1.0f, 1.0f, -1.0f); 

       // Calculate the LookAt vectors (camera direction and up vector)...
       TVec3 from = EntityPosition(camera, true);
       TVec3 to = {0,0,-1}; to = TFormVector(to, camera, NULL); to += from;

       TVec3 up = {0,1,0}; up = TFormVector(up, camera, NULL);

       // Set LookAt 
       gluLookAt(from.X, from.Y, from.Z, to.X, to.Y , to.Z, up.X, up.Y, up.Z);
   }
   else
   {
       glPushMatrix();
       // Set orthographic projection (used for 2D drawing)
       // Get the current viewport/buffer size.
       int vPort[4]; glGetIntegerv(GL_VIEWPORT, vPort); 

       // Set the projection
       gluOrtho2D(0, vPort[2], vPort[3], 0); // like glOrtho(0, vPort[2], vPort[3], 0, -1, 1); 

       // Reset transformation
       glMatrixMode(GL_MODELVIEW); glPushMatrix();
       glLoadIdentity();
   }

   // Setup default drawing settings.
   // Alpha blending.
   glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

   // Backface culling.
   if (CULL_NONE != cm)glEnable(GL_CULL_FACE); 
   if (NULL != camera)glCullFace((CULL_DRAW_CCW == cm) ? GL_BACK : GL_FRONT);
   else glCullFace((CULL_DRAW_CCW == cm) ? GL_FRONT : GL_BACK);

   // Depth test for 3D projection
   if (NULL != camera)glEnable(GL_DEPTH_TEST);

   // Drawing color.
   glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
}


// End drawing. Set "was3D" to true if you specified a camera at leglBegin (= used 3D projection).
void leglEnd(bool was3D)
{
   // Undo changes only made in 3D mode (camera != NULL)
   if (was3D) 
   {
       glMatrixMode(GL_PROJECTION); glPopMatrix();
       glDisable(GL_DEPTH_TEST);
   }
   else
       glPopMatrix();

   // Reset transformation.
   glMatrixMode(GL_MODELVIEW); glPopMatrix();

   // Undo changed settings.
   glDisable(GL_BLEND);
   glCullFace(GL_BACK); glDisable(GL_CULL_FACE);
   glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
   //leglBindTexture(NULL);
}


void leglBindTexture(TTexture texture)
{
    if(NULL != texture)
   {
       glEnable(GL_TEXTURE_2D);
       BindTexture(texture, 0); // LE command.
   }
   else
   {
       glBindTexture(GL_TEXTURE_2D, NULL);
       glDisable(GL_TEXTURE_2D);
   }
}

void leglDrawImageRect(int x, int y, int w, int h, TTexture image, TVec3 rotation, TVec3 scale)
{
leglBegin();
glTranslatef(w/2,h/2,0.0);
// rotate it by angle required..
// rotate X
if(rotation.X != 0.0)
	glRotatef(rotation.X,1.0,0.0,0.0);
if(rotation.Y != 0.0)
	glRotatef(rotation.Y,0.0,1.0,0.0);
if(rotation.Z != 0.0)
	glRotatef(rotation.Z,0.0,0.0,1.0);
// reset the rotation origin..
//glTranslatef(size.X/2,size.Y/2,0.0);
glTranslatef(0-w/2,0-h/2,0.0);
// build the plane at 0,0... by size x and y 
glScalef(scale.X, scale.Y, scale.Z);

if(image != NULL)
	leglBindTexture(image); // LE command.
glBegin(GL_QUADS);
	glVertex2i(x,y);
	glVertex2i(x+w,y);
	glVertex2i(x+w,y+h);
	glVertex2i(x,y+h);
glEnd();
leglEnd();

}

 

Like I said this works in a different project, so I don't know what I am doing wrong and see no difference in code....

[Canardia]

Why don't you make a copy of the project where it works?

[Masterxilo]

What doesn't work? Does it not show up at all? Try using another cull mode...

[L B]

Why don't you make a copy of the project where it works?

I can only assume it is because an exact copy doesn't make it work any more - it is probably a reference problem in that case.