The GtkRadiant sources as originally released under the GPL license.

2026-03-20 08:59:32 +01:00 · 2012-01-31 15:20:35 -06:00
commit 0991a5ce8b
1590 changed files with 431941 additions and 0 deletions
--- a/tools/quake2/q2map/glfile.c
+++ b/tools/quake2/q2map/glfile.c
@@ -0,0 +1,148 @@
+/*
+Copyright (C) 1999-2006 Id Software, Inc. and contributors.
+For a list of contributors, see the accompanying CONTRIBUTORS file.
+
+This file is part of GtkRadiant.
+
+GtkRadiant 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.
+
+GtkRadiant 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 GtkRadiant; 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);
+	Sys_Printf ("Writing %s\n", name);
+
+	glview = fopen (name, "w");
+	if (!glview)
+		Error ("Couldn't open %s", name);
+	WriteGLView_r (tree->headnode, glview);
+	fclose (glview);
+
+	Sys_Printf ("%5i c_glfaces\n", c_glfaces);
+}
+