The GtkRadiant sources as originally released under the GPL license.

contrib/bobtoolz/DPlane.h

@@ -0,0 +1,67 @@
+/*
+BobToolz plugin for GtkRadiant
+Copyright (C) 2001 Gordon Biggans
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library 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
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+// DPlane.h: interface for the DPlane class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#if !defined(AFX_DPLANE_H__FC37C021_F0A1_11D4_ACF7_004095A18133__INCLUDED_)
+#define AFX_DPLANE_H__FC37C021_F0A1_11D4_ACF7_004095A18133__INCLUDED_
+
+class Brush;
+
+#define FACE_DETAIL 0x8000000
+
+#if _MSC_VER > 1000
+#pragma once
+#endif // _MSC_VER > 1000
+
+class DWinding;
+
+class DPlane  
+{
+public:
+	DPlane(vec3_t va, vec3_t vb, vec3_t vc, const char* textureName, bool bDetail);
+	void ScaleTexture();
+	DWinding* BaseWindingForPlane();
+
+	void Rebuild();
+
+	bool AddToBrush(Brush *brush);
+	bool operator != (DPlane& other);
+	bool operator == (DPlane& other);
+
+	bool IsRedundant(list<DPoint*>& pointList);
+	bool PlaneIntersection(DPlane* pl1, DPlane* pl2, vec3_t out);;
+
+	vec_t DistanceToPoint(vec3_t pnt);
+
+	DPlane(vec3_t va, vec3_t vb, vec3_t vc, _QERFaceData* texData);
+	DPlane() { }
+	virtual ~DPlane();
+
+	bool m_bChkOk;
+	_QERFaceData texInfo;
+	vec3_t points[3];		// djbob:do we really need these any more?
+	vec3_t normal;
+	float _d;
+};
+
+//typedef CList<DPlane*, DPlane*> DPlaneList;
+#endif // !defined(AFX_DPLANE_H__FC37C021_F0A1_11D4_ACF7_004095A18133__INCLUDED_)