2.11BSD#431 - /usr/src/games/atc/def.h

   1: /*
   2:  * Copyright (c) 1987 by Ed James, UC Berkeley.  All rights reserved.
   3:  *
   4:  * Copy permission is hereby granted provided that this notice is
   5:  * retained on all partial or complete copies.
   6:  *
   7:  * For more info on this and all of my stuff, mail edjames@berkeley.edu.
   8:  */
   9: 
  10: #define AUTHOR_STR      "ATC - by Ed James"
  11: 
  12: #define PI          3.14159654
  13: 
  14: #define LOWFUEL         15
  15: 
  16: #define REALLOC         10
  17: 
  18: #define SGN(x)          ((x < 0) ? -1 : ((x > 0) ? 1 : 0))
  19: #define ABS(x)          ((x < 0) ? -(x) : (x))
  20: #define DIR_FROM_DXDY(dx,dy)    ((int) (atan2((double)(dy), (double)(dx)) \
  21:                 * MAXDIR / (2 * PI) + 2.5 + MAXDIR) % MAXDIR)
  22: 
  23: #define MAXDIR      8
  24: 
  25: #define D_LEFT      1
  26: #define D_RIGHT     2
  27: #define D_UP        3
  28: #define D_DOWN      4
  29: 
  30: #define T_NODEST    0
  31: #define T_BEACON    1
  32: #define T_EXIT      2
  33: #define T_AIRPORT   3
  34: 
  35: #define S_NONE      0
  36: #define S_GONE      1
  37: #define S_MARKED    2
  38: #define S_UNMARKED  3
  39: #define S_IGNORED   4
  40: 
  41: #define INPUT_LINES 3
  42: #define PLANE_COLS  20

Defined macros

Usage of this include