/*
R_DrawAliasOutlineFrame
*/

void R_DrawAliasOutlineFrame (aliashdr_t *paliashdr, int pose1, int pose2, qbool mtex, qbool scrolldir)
{
int *order, count;
vec3_t interpolated_verts;
float lerpfrac;
trivertx_t *verts1, *verts2;

if (r_modelalpha < 1)
return;

glCullFace (GL_BACK);
glPolygonMode (GL_FRONT, GL_LINE);

glLineWidth (1.0f);

glColor4f (0.0f,0.0f,0.0f,1);
glEnable (GL_LINE_SMOOTH);
glDisable (GL_TEXTURE_2D);

lerpfrac = r_framelerp;
lastposenum = (lerpfrac >= 0.5) ? pose2 : pose1;

verts2 = verts1 = (trivertx_t *) ((byte *) paliashdr + paliashdr->posedata);

verts1 += pose1 * paliashdr->poseverts;
verts2 += pose2 * paliashdr->poseverts;

order = (int *) ((byte *) paliashdr + paliashdr->commands);

for ( ;; )
{
count = *order++;

if (!count)
break;

if (count < 0)
{
count = -count;
glBegin(GL_TRIANGLE_FAN);
}
else
glBegin(GL_TRIANGLE_STRIP);

do
{
order += 2;

if ((currententity->renderfx & RF_LIMITLERP))
lerpfrac = VectorL2Compare(verts1->v, verts2->v, r_lerpdistance) ? r_framelerp : 1;

VectorInterpolate(verts1->v, lerpfrac, verts2->v, interpolated_verts);
glVertex3fv(interpolated_verts);

verts1++;
verts2++;
}
while (--count);

glEnd();
}

glColor4f (1, 1, 1, 1);
glPolygonMode (GL_FRONT, GL_FILL);
glDisable (GL_LINE_SMOOTH);
glCullFace (GL_FRONT);
glEnable (GL_TEXTURE_2D);
}

...
GL_DrawAliasFrame (paliashdr, oldpose, pose, mtex, scrolldir);

if (r_outline.integer)
R_DrawAliasOutlineFrame(paliashdr, oldpose, pose, mtex, scrolldir);
}