jkxr/Projects/Android/jni/OpenJK/code/qcommon/cm_polylib.h
Simon 4597b03873 Initial Commit
Opens in Android Studio but haven't even tried to build it yet (it won't.. I know that much!)
2022-09-18 16:37:21 +01:00

63 lines
1.8 KiB
C

/*
===========================================================================
Copyright (C) 1999 - 2005, Id Software, Inc.
Copyright (C) 2000 - 2013, Raven Software, Inc.
Copyright (C) 2001 - 2013, Activision, Inc.
Copyright (C) 2013 - 2015, OpenJK contributors
This file is part of the OpenJK source code.
OpenJK is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.
This program 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 this program; if not, see <http://www.gnu.org/licenses/>.
===========================================================================
*/
// this is only used for visualization tools in cm_ debug functions
#ifndef CM_POLYLIB_H
#define CM_POLYLIB_H
typedef struct
{
int numpoints;
vec3_t p[4]; // variable sized
} winding_t;
#define MAX_POINTS_ON_WINDING 64
#define SIDE_FRONT 0
#define SIDE_BACK 1
#define SIDE_ON 2
#define SIDE_CROSS 3
#define CLIP_EPSILON 0.1f
#define MAX_MAP_BOUNDS 65535
// you can define on_epsilon in the makefile as tighter
#ifndef ON_EPSILON
#define ON_EPSILON 0.1f
#endif
winding_t *AllocWinding (int points);
winding_t *CopyWinding (winding_t *w);
winding_t *BaseWindingForPlane (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);
#endif