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84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*
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* Copyright (C) Volition, Inc. 1999. All rights reserved.
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*
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* All source code herein is the property of Volition, Inc. You may not sell
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* or otherwise commercially exploit the source or things you created based on the
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* source.
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*
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*/
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/*
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* $Logfile: /Freespace2/code/Math/StaticRand.h $
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* $Revision: 2.5.2.1 $
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* $Date: 2007-02-11 22:46:36 $
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* $Author: Goober5000 $
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*
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* header for Static Random functions
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*
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* $Log: not supported by cvs2svn $
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* Revision 2.5 2005/08/31 06:25:27 Goober5000
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* fix a function prototype to match its counterpart in vecmat.h
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* --Goober5000
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*
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* Revision 2.4 2005/07/13 03:15:50 Goober5000
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* remove PreProcDefine #includes in FS2
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* --Goober5000
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*
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* Revision 2.3 2005/04/05 05:53:18 taylor
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* s/vector/vec3d/g, better support for different compilers (Jens Granseuer)
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*
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* Revision 2.2 2004/08/11 05:06:27 Kazan
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* added preprocdefines.h to prevent what happened with fred -- make sure to make all fred2 headers include this file as the _first_ include -- i have already modified fs2 files to do this
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*
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* Revision 2.1 2004/06/05 19:14:42 phreak
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* added static_random_cone which is used for spawn angle features in multi
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*
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* Revision 2.0 2002/06/03 04:02:24 penguin
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* Warpcore CVS sync
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*
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* Revision 1.1 2002/05/02 18:03:09 mharris
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* Initial checkin - converted filenames and includes to lower case
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*
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*
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* 2 10/07/98 10:53a Dave
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* Initial checkin.
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*
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* 1 10/07/98 10:49a Dave
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*
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* 4 3/17/98 12:16a Allender
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* asteroids in multiplayer -- minor problems with position being correct
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*
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* 3 12/30/97 5:46p Lawrance
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* Rename rnd() to rand_alt().
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*
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* 2 12/30/97 4:27p Lawrance
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* Add new rnd() function that doesn't affect rand() sequence.
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*
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* 1 8/08/97 3:38p Allender
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*
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*/
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#ifndef _STATIC_RAND_H
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#include "globalincs/pstypes.h"
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#define SEMIRAND_MAX_LOG 4
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#define SEMIRAND_MAX (2 << SEMIRAND_MAX_LOG) // Do not change this! Change SEMIRAND_MAX_LOG!
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extern int Semirand[SEMIRAND_MAX]; // this array is saved by the ai code on save/restore
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extern void init_semirand();
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extern int static_rand(int num);
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extern float static_randf(int num);
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extern void static_randvec(int num, vec3d *vp);
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extern float static_randf_range(int num, float min, float max);
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void static_rand_cone(int num, vec3d *out, vec3d *in, float max_angle, matrix *orient = NULL);
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// Alternate random number generator that doesn't affect rand() sequence
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void srand_alt(int seed); // Seed the random number generator
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int rand_alt(); // Get a random integer between 1 and RND_MAX
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float frand_alt(); // Get a random float between 0 and 1.0
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#endif
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