From 952c5c128f9efaea89d41d882c4ea3ade7df4591 Mon Sep 17 00:00:00 2001
From: zakk <zakk@edf5b092-35ff-0310-97b2-ce42778d08ea>
Date: Fri, 26 Aug 2005 04:48:05 +0000
Subject: Itsa me, quake3io!

git-svn-id: svn://svn.icculus.org/quake3/trunk@2 edf5b092-35ff-0310-97b2-ce42778d08ea
---
 q3radiant/Winding.h | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100755 q3radiant/Winding.h

(limited to 'q3radiant/Winding.h')

diff --git a/q3radiant/Winding.h b/q3radiant/Winding.h
new file mode 100755
index 0000000..66858aa
--- /dev/null
+++ b/q3radiant/Winding.h
@@ -0,0 +1,70 @@
+/*
+===========================================================================
+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
+===========================================================================
+*/
+
+
+
+//returns true if the planes are equal
+int			Plane_Equal(plane_t *a, plane_t *b, int flip);
+//returns false if the points are colinear
+int			Plane_FromPoints(vec3_t p1, vec3_t p2, vec3_t p3, plane_t *plane);
+//returns true if the points are equal
+int			Point_Equal(vec3_t p1, vec3_t p2, float epsilon);
+
+//allocate a winding
+winding_t*	Winding_Alloc(int points);
+//free the winding
+void		Winding_Free(winding_t *w);
+//create a base winding for the plane
+winding_t*	Winding_BaseForPlane (plane_t *p);
+//make a winding clone
+winding_t*	Winding_Clone(winding_t *w );
+//creates the reversed winding
+winding_t*	Winding_Reverse(winding_t *w);
+//remove a point from the winding
+void		Winding_RemovePoint(winding_t *w, int point);
+//inserts a point to a winding, creating a new winding
+winding_t*	Winding_InsertPoint(winding_t *w, vec3_t point, int spot);
+//returns true if the planes are concave
+int			Winding_PlanesConcave(winding_t *w1, winding_t *w2,
+									 vec3_t normal1, vec3_t normal2,
+									 float dist1, float dist2);
+//returns true if the winding is tiny
+int			Winding_IsTiny(winding_t *w);
+//returns true if the winding is huge
+int			Winding_IsHuge(winding_t *w);
+//clip the winding with the plane
+winding_t*	Winding_Clip(winding_t *in, plane_t *split, qboolean keepon);
+//split the winding with the plane
+void		Winding_SplitEpsilon(winding_t *in, vec3_t normal, double dist, 
+								vec_t epsilon, winding_t **front, winding_t **back);
+//try to merge the windings, returns the new merged winding or NULL
+winding_t *Winding_TryMerge(winding_t *f1, winding_t *f2, vec3_t planenormal, int keep);
+//create a plane for the winding
+void		Winding_Plane(winding_t *w, vec3_t normal, double *dist);
+//returns the winding area
+float		Winding_Area(winding_t *w);
+//returns the bounds of the winding
+void		Winding_Bounds(winding_t *w, vec3_t mins, vec3_t maxs);
+//returns true if the point is inside the winding
+int			Winding_PointInside(winding_t *w, plane_t *plane, vec3_t point, float epsilon);
+//returns true if the vector intersects with the winding
+int			Winding_VectorIntersect(winding_t *w, plane_t *plane, vec3_t p1, vec3_t p2, float epsilon);
-- 
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