Subversion Repositories HelenOS

Rev

Rev 2927 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2927 Rev 4691
Line 34... Line 34...
34 
 *
 34 
 *
35 
 *  @(#)shapes.c    8.1 (Berkeley) 5/31/93
 35 
 *  @(#)shapes.c    8.1 (Berkeley) 5/31/93
36 
 */
 36 
 */
37 
 
 37 
 
38 
/** @addtogroup tetris
 38 
/** @addtogroup tetris
39 
 * @{
 39 
 * @{
40 
 */
 40 
 */
41 
/** @file
 41 
/** @file
42 
 */
 42 
 */
43 
 
 43 
 
44 
/*
 44 
/*
Line 48... Line 48...
48 
 */
 48 
 */
49 
 
 49 
 
50 
#include <unistd.h>
 50 
#include <unistd.h>
51 
#include "tetris.h"
 51 
#include "tetris.h"
52 
 
 52 
 
53 
#define TL  -B_COLS-1   /* top left */
 53 
#define TL  (-B_COLS - 1)  /* top left */
54 
#define TC  -B_COLS     /* top center */
 54 
#define TC  (-B_COLS)      /* top center */
55 
#define TR  -B_COLS+1   /* top right */
 55 
#define TR  (-B_COLS + 1)  /* top right */
56 
#define ML  -1      /* middle left */
 56 
#define ML  -1             /* middle left */
57 
#define MR  1       /* middle right */
 57 
#define MR  1              /* middle right */
58 
#define BL  B_COLS-1    /* bottom left */
 58 
#define BL  (B_COLS - 1)   /* bottom left */
59 
#define BC  B_COLS      /* bottom center */
 59 
#define BC  B_COLS         /* bottom center */
60 
#define BR  B_COLS+1    /* bottom right */
 60 
#define BR  (B_COLS + 1)   /* bottom right */
61 
 
 61 
 
62 
const struct shape shapes[] = {
 62 
const struct shape shapes[] = {
63 
    /* 0*/  { 7,    7,  { TL, TC, MR } },
 63 
    /*  0 */  {  7,  7, { TL, TC, MR }, 0xff042d},
64 
    /* 1*/  { 8,    8,  { TC, TR, ML } },
 64 
    /*  1 */  {  8,  8, { TC, TR, ML }, 0xff9304},
65 
    /* 2*/  { 9,    11, { ML, MR, BC } },
 65 
    /*  2 */  {  9, 11, { ML, MR, BC }, 0xbeff04},
66 
    /* 3*/  { 3,    3,  { TL, TC, ML } },
 66 
    /*  3 */  {  3,  3, { TL, TC, ML }, 0x63ff04},
67 
    /* 4*/  { 12,   14, { ML, BL, MR } },
 67 
    /*  4 */  { 12, 14, { ML, BL, MR }, 0xce04ff},
68 
    /* 5*/  { 15,   17, { ML, BR, MR } },
 68 
    /*  5 */  { 15, 17, { ML, BR, MR }, 0xff04cf},
69 
    /* 6*/  { 18,   18, { ML, MR, 2  } }, /* sticks out */
 69 
    /*  6 */  { 18, 18, { ML, MR, 2  }, 0x7604ff},  /* sticks out */
70 
    /* 7*/  { 0,    0,  { TC, ML, BL } },
 70 
    /*  7 */  {  0,  0, { TC, ML, BL }, 0xff042d},
71 
    /* 8*/  { 1,    1,  { TC, MR, BR } },
 71 
    /*  8 */  {  1,  1, { TC, MR, BR }, 0xff9304},
72 
    /* 9*/  { 10,   2,  { TC, MR, BC } },
 72 
    /*  9 */  { 10,  2, { TC, MR, BC }, 0xbeff04},
73 
    /*10*/  { 11,   9,  { TC, ML, MR } },
 73 
    /* 10 */  { 11,  9, { TC, ML, MR }, 0xbeff04},
74 
    /*11*/  { 2,    10, { TC, ML, BC } },
 74 
    /* 11 */  {  2, 10, { TC, ML, BC }, 0xbeff04},
75 
    /*12*/  { 13,   4,  { TC, BC, BR } },
 75 
    /* 12 */  { 13,  4, { TC, BC, BR }, 0xce04ff},
76 
    /*13*/  { 14,   12, { TR, ML, MR } },
 76 
    /* 13 */  { 14, 12, { TR, ML, MR }, 0xce04ff},
77 
    /*14*/  { 4,    13, { TL, TC, BC } },
 77 
    /* 14 */  {  4, 13, { TL, TC, BC }, 0xce04ff},
78 
    /*15*/  { 16,   5,  { TR, TC, BC } },
 78 
    /* 15 */  { 16,  5, { TR, TC, BC }, 0xff04cf},
79 
    /*16*/  { 17,   15, { TL, MR, ML } },
 79 
    /* 16 */  { 17, 15, { TL, MR, ML }, 0xff04cf},
80 
    /*17*/  { 5,    16, { TC, BC, BL } },
 80 
    /* 17 */  {  5, 16, { TC, BC, BL }, 0xff04cf},
81 
    /*18*/  { 6,    6,  { TC, BC, 2*B_COLS } }/* sticks out */
 81 
    /* 18 */  {  6,  6, { TC, BC, 2 * B_COLS }, 0x7604ff}  /* sticks out */
82 
};
 82 
};
83 
 
 83 
 
84 
/*
 84 
/*
85 
 * Return true iff the given shape fits in the given position,
 85 
 * Return true iff the given shape fits in the given position,
86 
 * taking the current board into account.
 86 
 * taking the current board into account.
87 
 */
 87 
 */
88 
int
 - 
 
89 
fits_in(const struct shape *shape, int pos)
 88 
int fits_in(const struct shape *shape, int pos)
90 
{
 89 
{
91 
    int *o = shape->off;
 90 
    const int *o = shape->off;
92 
 
 91 
   
93 
    if (board[pos] || board[pos + *o++] || board[pos + *o++] ||
 92 
    if ((board[pos]) || (board[pos + *o++]) || (board[pos + *o++]) ||
94 
        board[pos + *o])
 93 
        (board[pos + *o]))
95 
        return 0;
 94 
        return 0;
- 
 
 95 
   
96 
    return 1;
 96 
    return 1;
97 
}
 97 
}
98 
 
 98 
 
99 
/*
 99 
/*
100 
 * Write the given shape into the current board, turning it on
 100 
 * Write the given shape into the current board, turning it on
101 
 * if `onoff' is 1, and off if `onoff' is 0.
 101 
 * if `onoff' is 1, and off if `onoff' is 0.
102 
 */
 102 
 */
103 
void
 - 
 
104 
place(const struct shape *shape, int pos, int onoff)
 103 
void place(const struct shape *shape, int pos, int onoff)
105 
{
 104 
{
106 
    int *o = shape->off;
 105 
    const int *o = shape->off;
107 
 
 106 
   
108 
    board[pos] = onoff;
 107 
    board[pos] = onoff ? shape->color : 0x000000;
109 
    board[pos + *o++] = onoff;
 108 
    board[pos + *o++] = onoff ? shape->color : 0x000000;
110 
    board[pos + *o++] = onoff;
 109 
    board[pos + *o++] = onoff ? shape->color : 0x000000;
111 
    board[pos + *o] = onoff;
 110 
    board[pos + *o] = onoff ? shape->color : 0x000000;
112 
}
 111 
}
113 
 
 112 
 
114 
/** @}
 113 
/** @}
115 
 */
 114 
 */
116 
 
 -