150 lines
3 KiB
C
150 lines
3 KiB
C
|
/*
|
||
|
|
===========================================================================
|
||
|
|
Copyright (C) 1999-2005 Id Software, Inc.
|
||
|
|
|
||
|
|
This file is part of Quake III Arena source code.
|
||
|
|
|
||
|
|
Quake III Arena source code is free software; you can redistribute it
|
||
|
|
and/or modify it under the terms of the GNU General Public License as
|
||
|
|
published by the Free Software Foundation; either version 2 of the License,
|
||
|
|
or (at your option) any later version.
|
||
|
|
|
||
|
|
Quake III Arena source code is distributed in the hope that it will be
|
||
|
|
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
GNU General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License
|
||
|
|
along with Foobar; if not, write to the Free Software
|
||
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
===========================================================================
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "qbsp.h"
|
||
|
|
|
||
|
|
int c_glfaces;
|
||
|
|
|
||
|
|
int PortalVisibleSides (portal_t *p)
|
||
|
|
{
|
||
|
|
int fcon, bcon;
|
||
|
|
|
||
|
|
if (!p->onnode)
|
||
|
|
return 0; // outside
|
||
|
|
|
||
|
|
fcon = p->nodes[0]->contents;
|
||
|
|
bcon = p->nodes[1]->contents;
|
||
|
|
|
||
|
|
// same contents never create a face
|
||
|
|
if (fcon == bcon)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
// FIXME: is this correct now?
|
||
|
|
if (!fcon)
|
||
|
|
return 1;
|
||
|
|
if (!bcon)
|
||
|
|
return 2;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void OutputWinding (winding_t *w, FILE *glview)
|
||
|
|
{
|
||
|
|
static int level = 128;
|
||
|
|
vec_t light;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
fprintf (glview, "%i\n", w->numpoints);
|
||
|
|
level+=28;
|
||
|
|
light = (level&255)/255.0;
|
||
|
|
for (i=0 ; i<w->numpoints ; i++)
|
||
|
|
{
|
||
|
|
fprintf (glview, "%6.3f %6.3f %6.3f %6.3f %6.3f %6.3f\n",
|
||
|
|
w->p[i][0],
|
||
|
|
w->p[i][1],
|
||
|
|
w->p[i][2],
|
||
|
|
light,
|
||
|
|
light,
|
||
|
|
light);
|
||
|
|
}
|
||
|
|
fprintf (glview, "\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
=============
|
||
|
|
OutputPortal
|
||
|
|
=============
|
||
|
|
*/
|
||
|
|
void OutputPortal (portal_t *p, FILE *glview)
|
||
|
|
{
|
||
|
|
winding_t *w;
|
||
|
|
int sides;
|
||
|
|
|
||
|
|
sides = PortalVisibleSides (p);
|
||
|
|
if (!sides)
|
||
|
|
return;
|
||
|
|
|
||
|
|
c_glfaces++;
|
||
|
|
|
||
|
|
w = p->winding;
|
||
|
|
|
||
|
|
if (sides == 2) // back side
|
||
|
|
w = ReverseWinding (w);
|
||
|
|
|
||
|
|
OutputWinding (w, glview);
|
||
|
|
|
||
|
|
if (sides == 2)
|
||
|
|
FreeWinding(w);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
=============
|
||
|
|
WriteGLView_r
|
||
|
|
=============
|
||
|
|
*/
|
||
|
|
void WriteGLView_r (node_t *node, FILE *glview)
|
||
|
|
{
|
||
|
|
portal_t *p, *nextp;
|
||
|
|
|
||
|
|
if (node->planenum != PLANENUM_LEAF)
|
||
|
|
{
|
||
|
|
WriteGLView_r (node->children[0], glview);
|
||
|
|
WriteGLView_r (node->children[1], glview);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// write all the portals
|
||
|
|
for (p=node->portals ; p ; p=nextp)
|
||
|
|
{
|
||
|
|
if (p->nodes[0] == node)
|
||
|
|
{
|
||
|
|
OutputPortal (p, glview);
|
||
|
|
nextp = p->next[0];
|
||
|
|
}
|
||
|
|
else
|
||
|
|
nextp = p->next[1];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
=============
|
||
|
|
WriteGLView
|
||
|
|
=============
|
||
|
|
*/
|
||
|
|
void WriteGLView (tree_t *tree, char *source)
|
||
|
|
{
|
||
|
|
char name[1024];
|
||
|
|
FILE *glview;
|
||
|
|
|
||
|
|
c_glfaces = 0;
|
||
|
|
sprintf (name, "%s%s.gl",outbase, source);
|
||
|
|
printf ("Writing %s\n", name);
|
||
|
|
|
||
|
|
glview = fopen (name, "w");
|
||
|
|
if (!glview)
|
||
|
|
Error ("Couldn't open %s", name);
|
||
|
|
WriteGLView_r (tree->headnode, glview);
|
||
|
|
fclose (glview);
|
||
|
|
|
||
|
|
printf ("%5i c_glfaces\n", c_glfaces);
|
||
|
|
}
|
||
|
|
|