forked from TheGLander/tworld
-
Notifications
You must be signed in to change notification settings - Fork 0
/
gen.h
75 lines (64 loc) · 2.14 KB
/
gen.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
/* gen.h: General definitions belonging to no single module.
*
* Copyright (C) 2001-2006 by Brian Raiter, under the GNU General Public
* License. No warranty. See COPYING for details.
*/
#ifndef HEADER_gen_h_
#define HEADER_gen_h_
/* The standard Boolean values.
*/
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
/* Definition of the contents and layout of a table.
*
* The strings making up the contents of a table are each prefixed
* with two characters that indicate the formatting of their cell. The
* first character is a digit, usually "1", indicating the number of
* columns that cell occupies. The second character indicates the
* placement of the string in that cell: "-" to align to the left of
* the cell, "+" to align to the right, "." to center the text, and
* "!" to permit the cell to occupy multiple lines, with word
* wrapping. At most one cell in a given row can be word-wrapped.
*/
typedef struct tablespec {
short rows; /* number of rows */
short cols; /* number of columns */
short sep; /* amount of space between columns */
short collapse; /* the column to squeeze if necessary */
char const **items; /* the table's contents */
} tablespec;
/* The dimensions of a level.
*/
#define CXGRID 32
#define CYGRID 32
/* The four directions plus one non-direction.
*/
#define NIL 0
#define NORTH 1
#define WEST 2
#define SOUTH 4
#define EAST 8
/* Translating directions to and from a two-bit representation. (Note
* that NIL will map to the same value as NORTH.)
*/
#define diridx(dir) ((0x30210 >> ((dir) * 2)) & 3)
#define idxdir(idx) (1 << ((idx) & 3))
/* The frequency of the gameplay timer. Note that "seconds" refers to
* seconds in the game, which are not necessarily the same length as
* real-time seconds.
*/
#define TICKS_PER_SECOND 20
/* The gameplay timer's value is forced to remain within 23 bits.
* Thus, gameplay of a single level cannot exceed 4 days 20 hours 30
* minutes and 30.4 seconds.
*/
#define MAXIMUM_TICK_COUNT 0x7FFFFF
#define FOREVER (2*MAXIMUM_TICK_COUNT)
/* A magic number used to indicate an undefined time value.
*/
#define TIME_NIL 0x7FFFFFFF
#endif