X-Git-Url: http://git.xonotic.org/?a=blobdiff_plain;f=tools%2Fquake3%2Fcommon%2Fpolylib.h;h=19603649853544f6916db4f876bb0a086e64ca59;hb=e4287c28bb2dafedc81c66e63951d947cfbeb225;hp=0bc4a8addca6cf9e1e9dbef9142b36089f5f05a9;hpb=80378101101ca1762bbf5638a9e3566893096d8a;p=xonotic%2Fnetradiant.git

diff --git a/tools/quake3/common/polylib.h b/tools/quake3/common/polylib.h
index 0bc4a8ad..19603649 100644
--- a/tools/quake3/common/polylib.h
+++ b/tools/quake3/common/polylib.h
@@ -1,57 +1,76 @@
-/*
-Copyright (C) 1999-2007 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
-*/
-
-
-typedef struct
-{
-	int		numpoints;
-	vec3_t	p[4];		// variable sized
-} winding_t;
-
-#define	MAX_POINTS_ON_WINDING	64
-
-// you can define on_epsilon in the makefile as tighter
-#ifndef	ON_EPSILON
-#define	ON_EPSILON	0.1
-#endif
-
-winding_t	*AllocWinding (int points);
-vec_t	WindingArea (winding_t *w);
-void	WindingCenter (winding_t *w, vec3_t center);
-void	ClipWindingEpsilon (winding_t *in, vec3_t normal, vec_t dist, 
-				vec_t epsilon, winding_t **front, winding_t **back);
-winding_t	*ChopWinding (winding_t *in, vec3_t normal, vec_t dist);
-winding_t	*CopyWinding (winding_t *w);
-winding_t	*ReverseWinding (winding_t *w);
-winding_t	*BaseWindingForPlane (vec3_t normal, vec_t dist);
-void	CheckWinding (winding_t *w);
-void	WindingPlane (winding_t *w, vec3_t normal, vec_t *dist);
-void	RemoveColinearPoints (winding_t *w);
-int		WindingOnPlaneSide (winding_t *w, vec3_t normal, vec_t dist);
-void	FreeWinding (winding_t *w);
-void	WindingBounds (winding_t *w, vec3_t mins, vec3_t maxs);
-
-void	AddWindingToConvexHull( winding_t *w, winding_t **hull, vec3_t normal );
-
-void	ChopWindingInPlace (winding_t **w, vec3_t normal, vec_t dist, vec_t epsilon);
-// frees the original if clipped
-
-void pw(winding_t *w);
+/*
+   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
+ */
+
+
+typedef struct
+{
+	int numpoints;
+	vec3_t p[1];        // variable sized
+} winding_t;
+
+#define MAX_POINTS_ON_WINDING   512
+
+// you can define on_epsilon in the makefile as tighter
+#ifndef ON_EPSILON
+#define ON_EPSILON  0.1
+#endif
+
+winding_t   *AllocWinding( int points );
+vec_t   WindingArea( winding_t *w );
+void    WindingCenter( winding_t *w, vec3_t center );
+void    ClipWindingEpsilon( winding_t *in, vec3_t normal, vec_t dist,
+							vec_t epsilon, winding_t **front, winding_t **back );
+void    ClipWindingEpsilonStrict( winding_t *in, vec3_t normal, vec_t dist,
+								  vec_t epsilon, winding_t **front, winding_t **back );
+winding_t   *ChopWinding( winding_t *in, vec3_t normal, vec_t dist );
+winding_t   *CopyWinding( winding_t *w );
+winding_t   *ReverseWinding( winding_t *w );
+winding_t   *BaseWindingForPlane( vec3_t normal, vec_t dist );
+void    CheckWinding( winding_t *w );
+void    WindingPlane( winding_t *w, vec3_t normal, vec_t *dist );
+void    RemoveColinearPoints( winding_t *w );
+int     WindingOnPlaneSide( winding_t *w, vec3_t normal, vec_t dist );
+void    FreeWinding( winding_t *w );
+void    WindingBounds( winding_t *w, vec3_t mins, vec3_t maxs );
+
+void    AddWindingToConvexHull( winding_t *w, winding_t **hull, vec3_t normal );
+
+void    ChopWindingInPlace( winding_t **w, vec3_t normal, vec_t dist, vec_t epsilon );
+// frees the original if clipped
+
+void pw( winding_t *w );
+
+
+///////////////////////////////////////////////////////////////////////////////////////
+// Below is double-precision stuff.  This was initially needed by the base winding code
+// in q3map2 brush processing.
+///////////////////////////////////////////////////////////////////////////////////////
+
+typedef struct
+{
+	int numpoints;
+	vec3_accu_t p[1]; // variable sized
+} winding_accu_t;
+
+winding_accu_t  *BaseWindingForPlaneAccu( vec3_t normal, vec_t dist );
+void    ChopWindingInPlaceAccu( winding_accu_t **w, vec3_t normal, vec_t dist, vec_t epsilon );
+winding_t   *CopyWindingAccuToRegular( winding_accu_t *w );
+void    FreeWindingAccu( winding_accu_t *w );