// when drawctficon is called, GL_BLEND is disabled if flag is in base
// & enabled if flag isn't
if(flaginfos[i].state == CTFF_INBASE) glDisable(GL_BLEND); else glEnable(GL_BLEND);
                drawctficon(i*120+VIRTW/4.0f*3.0f, 1650, 120, i, 0, 1/4.0f);

// original turn_on_transparency :
// (look : GL_BLEND is forced to enable)
inline void turn_on_transparency()
{
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
    glColor4ub(255, 255, 255, 255);
}


// fixed version ?
// doesn't force gl blend state, already set by drawctficon
inline void turn_on_transparency()
{
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
    glColor4ub(255, 255, 255, 100);
}