core/code/system/f_util.h

   1 /*
   2     fegdk: FE Game Development Kit
   3     Copyright (C) 2001-2008 Alexey "waker" Yakovenko
   4
   5     This library is free software; you can redistribute it and/or
   6     modify it under the terms of the GNU Library General Public
   7     License as published by the Free Software Foundation; either
   8     version 2 of the License, or (at your option) any later version.
   9
  10     This library is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13     Library General Public License for more details.
  14
  15     You should have received a copy of the GNU Library General Public
  16     License along with this library; if not, write to the Free
  17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18
  19     Alexey Yakovenko
  20     waker@users.sourceforge.net
  21 */
  22
  23 // $Id$
  24
  25 #ifndef __UTIL_H
  26 #define __UTIL_H
  27
  28 #include "f_math.h"
  29 #include "f_types.h"
  30
  31 namespace fe
  32 {
  33
  34         ray3
  35         rayFromMousePos (int x, int y, const matrix4 &viewMatrix, int width, int height, float fov, float nearplane, float farplane);
  36
  37         void
  38         buildOcclusionPyramid (float n, float f, float a, float fov, const matrix4 &view, int vpw, int vph, const vector4 &L, plane planes[5], vector3 RW[5]);
  39
  40         uint32
  41         getUnicodeFromUtf8 (const ubyte *utf8, uint32 *unicode);
  42
  43         uint32
  44         hashValue (const char *s, int hashSize = 256);
  45 }
  46
  47 #endif // __UTIL_H