Merge branch 'NateEag-master-patch-12920' into 'master'

[xonotic/netradiant.git] / tools / quake3 / common / polylib.h

diff --git a/tools/quake3/common/polylib.h b/tools/quake3/common/polylib.h
index e58875a2266594d1ce96bad062d069dc0d9cc5bb..08bf9aafadcd15475b3cfd4fa75bfceb1199bd59 100644 (file)
--- a/tools/quake3/common/polylib.h
+++ b/tools/quake3/common/polylib.h
@@ -1,57 +1,76 @@
 /*
-Copyright (C) 1999-2006 Id Software, Inc. and contributors.
-For a list of contributors, see the accompanying CONTRIBUTORS file.
+   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.
+   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 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.
+   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
-*/
+   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
+       int numpoints;
+       vec3_t p[1];        // variable sized
 } winding_t;
 
-#define        MAX_POINTS_ON_WINDING   64
+#define MAX_POINTS_ON_WINDING   512
 
 // you can define on_epsilon in the makefile as tighter
-#ifndef        ON_EPSILON
-#define        ON_EPSILON      0.1
+#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);
+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);
+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 );