author | peter1138 |
Sun, 03 Aug 2008 17:35:08 +0000 | |
changeset 9834 | 7474149531c1 |
parent 9570 | 8b9c1cbb0077 |
permissions | -rw-r--r-- |
8140
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
1 |
/* $Id$ */ |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
2 |
|
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
3 |
/** @file date_type.h Types related to the dates in OpenTTD. */ |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
4 |
|
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
5 |
#ifndef DATE_TYPE_H |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
6 |
#define DATE_TYPE_H |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
7 |
|
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
8 |
/** |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
9 |
* 1 day is 74 ticks; _date_fract used to be uint16 and incremented by 885. On |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
10 |
* an overflow the new day begun and 65535 / 885 = 74. |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
11 |
* 1 tick is approximately 30 ms. |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
12 |
* 1 day is thus about 2 seconds (74 * 30 = 2220) on a machine that can run OpenTTD normally |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
13 |
*/ |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
14 |
#define DAY_TICKS 74 |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
15 |
|
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
16 |
/* |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
17 |
* ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR and DAYS_TILL_ORIGINAL_BASE_YEAR are |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
18 |
* primarily used for loading newgrf and savegame data and returning some |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
19 |
* newgrf (callback) functions that were in the original (TTD) inherited |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
20 |
* format, where '_date == 0' meant that it was 1920-01-01. |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
21 |
*/ |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
22 |
|
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
23 |
/** The minimum starting year/base year of the original TTD */ |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
24 |
#define ORIGINAL_BASE_YEAR 1920 |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
25 |
/** The maximum year of the original TTD */ |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
26 |
#define ORIGINAL_MAX_YEAR 2090 |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
27 |
|
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
28 |
/** |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
29 |
* The offset in days from the '_date == 0' till |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
30 |
* 'ConvertYMDToDate(ORIGINAL_BASE_YEAR, 0, 1)' |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
31 |
*/ |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
32 |
#define DAYS_TILL_ORIGINAL_BASE_YEAR (365 * ORIGINAL_BASE_YEAR + ORIGINAL_BASE_YEAR / 4 - ORIGINAL_BASE_YEAR / 100 + ORIGINAL_BASE_YEAR / 400) |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
33 |
|
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
34 |
/* The absolute minimum & maximum years in OTTD */ |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
35 |
#define MIN_YEAR 0 |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
36 |
/* MAX_YEAR, nicely rounded value of the number of years that can |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
37 |
* be encoded in a single 32 bits date, about 2^31 / 366 years. */ |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
38 |
#define MAX_YEAR 5000000 |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
39 |
|
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
40 |
typedef int32 Date; |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
41 |
typedef uint16 DateFract; |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
42 |
|
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
43 |
typedef int32 Year; |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
44 |
typedef uint8 Month; |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
45 |
typedef uint8 Day; |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
46 |
|
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
47 |
struct YearMonthDay { |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
48 |
Year year; |
9570
8b9c1cbb0077
(svn r13594) -Feature(ette)[FS#2093]: Supply newgrfs with 'day of month', 'leap year' and 'day of year'.
frosch
parents:
8140
diff
changeset
|
49 |
Month month; ///< 0 - 11 |
8b9c1cbb0077
(svn r13594) -Feature(ette)[FS#2093]: Supply newgrfs with 'day of month', 'leap year' and 'day of year'.
frosch
parents:
8140
diff
changeset
|
50 |
Day day; ///< 1 - 31 |
8140
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
51 |
}; |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
52 |
|
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
53 |
static const Year INVALID_YEAR = -1; |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
54 |
static const Date INVALID_DATE = -1; |
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
55 |
|
0d0d8c94f84b
(svn r11702) -Codechange: move all date related stuff to date*.
rubidium
parents:
diff
changeset
|
56 |
#endif /* DATE_TYPE_H */ |