diff options
Diffstat (limited to 'core/os/time.cpp')
| -rw-r--r-- | core/os/time.cpp | 433 |
1 files changed, 433 insertions, 0 deletions
diff --git a/core/os/time.cpp b/core/os/time.cpp new file mode 100644 index 0000000000..a185029969 --- /dev/null +++ b/core/os/time.cpp @@ -0,0 +1,433 @@ +/*************************************************************************/ +/* time.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +#include "time.h" + +#include "core/os/os.h" + +#define UNIX_EPOCH_YEAR_AD 1970 // 1970 +#define SECONDS_PER_DAY (24 * 60 * 60) // 86400 +#define IS_LEAP_YEAR(year) (!((year) % 4) && (((year) % 100) || !((year) % 400))) +#define YEAR_SIZE(year) (IS_LEAP_YEAR(year) ? 366 : 365) + +#define YEAR_KEY "year" +#define MONTH_KEY "month" +#define DAY_KEY "day" +#define WEEKDAY_KEY "weekday" +#define HOUR_KEY "hour" +#define MINUTE_KEY "minute" +#define SECOND_KEY "second" +#define DST_KEY "dst" + +// Table of number of days in each month (for regular year and leap year). +static const uint8_t MONTH_DAYS_TABLE[2][12] = { + { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }, + { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 } +}; + +VARIANT_ENUM_CAST(Time::Month); +VARIANT_ENUM_CAST(Time::Weekday); + +#define UNIX_TIME_TO_HMS \ + uint8_t hour, minute, second; \ + { \ + /* The time of the day (in seconds since start of day). */ \ + uint32_t day_clock = Math::posmod(p_unix_time_val, SECONDS_PER_DAY); \ + /* On x86 these 4 lines can be optimized to only 2 divisions. */ \ + second = day_clock % 60; \ + day_clock /= 60; \ + minute = day_clock % 60; \ + hour = day_clock / 60; \ + } + +#define UNIX_TIME_TO_YMD \ + int64_t year; \ + Month month; \ + uint8_t day; \ + /* The day number since Unix epoch (0-index). Days before 1970 are negative. */ \ + int64_t day_number = Math::floor(p_unix_time_val / (double)SECONDS_PER_DAY); \ + { \ + int64_t day_number_copy = day_number; \ + year = UNIX_EPOCH_YEAR_AD; \ + uint8_t month_zero_index = 0; \ + while (day_number_copy >= YEAR_SIZE(year)) { \ + day_number_copy -= YEAR_SIZE(year); \ + year++; \ + } \ + while (day_number_copy < 0) { \ + year--; \ + day_number_copy += YEAR_SIZE(year); \ + } \ + /* After the above, day_number now represents the day of the year (0-index). */ \ + while (day_number_copy >= MONTH_DAYS_TABLE[IS_LEAP_YEAR(year)][month_zero_index]) { \ + day_number_copy -= MONTH_DAYS_TABLE[IS_LEAP_YEAR(year)][month_zero_index]; \ + month_zero_index++; \ + } \ + /* After the above, day_number now represents the day of the month (0-index). */ \ + month = (Month)(month_zero_index + 1); \ + day = day_number_copy + 1; \ + } + +#define VALIDATE_YMDHMS \ + ERR_FAIL_COND_V_MSG(month == 0, 0, "Invalid month value of: " + itos(month) + ", months are 1-indexed and cannot be 0. See the Time.Month enum for valid values."); \ + ERR_FAIL_COND_V_MSG(month > 12, 0, "Invalid month value of: " + itos(month) + ". See the Time.Month enum for valid values."); \ + ERR_FAIL_COND_V_MSG(hour > 23, 0, "Invalid hour value of: " + itos(hour) + "."); \ + ERR_FAIL_COND_V_MSG(minute > 59, 0, "Invalid minute value of: " + itos(minute) + "."); \ + ERR_FAIL_COND_V_MSG(second > 59, 0, "Invalid second value of: " + itos(second) + " (leap seconds are not supported)."); \ + /* Do this check after month is tested as valid. */ \ + ERR_FAIL_COND_V_MSG(day == 0, 0, "Invalid day value of: " + itos(month) + ", days are 1-indexed and cannot be 0."); \ + uint8_t days_in_this_month = MONTH_DAYS_TABLE[IS_LEAP_YEAR(year)][month - 1]; \ + ERR_FAIL_COND_V_MSG(day > days_in_this_month, 0, "Invalid day value of: " + itos(day) + " which is larger than the maximum for this month, " + itos(days_in_this_month) + "."); + +#define YMD_TO_DAY_NUMBER \ + /* The day number since Unix epoch (0-index). Days before 1970 are negative. */ \ + int64_t day_number = day - 1; \ + /* Add the days in the months to day_number. */ \ + for (int i = 0; i < month - 1; i++) { \ + day_number += MONTH_DAYS_TABLE[IS_LEAP_YEAR(year)][i]; \ + } \ + /* Add the days in the years to day_number. */ \ + if (year >= UNIX_EPOCH_YEAR_AD) { \ + for (int64_t iyear = UNIX_EPOCH_YEAR_AD; iyear < year; iyear++) { \ + day_number += YEAR_SIZE(iyear); \ + } \ + } else { \ + for (int64_t iyear = UNIX_EPOCH_YEAR_AD - 1; iyear >= year; iyear--) { \ + day_number -= YEAR_SIZE(iyear); \ + } \ + } + +#define PARSE_ISO8601_STRING \ + int64_t year = UNIX_EPOCH_YEAR_AD; \ + Month month = MONTH_JANUARY; \ + uint8_t day = 1; \ + uint8_t hour = 0; \ + uint8_t minute = 0; \ + uint8_t second = 0; \ + { \ + bool has_date = false, has_time = false; \ + String date, time; \ + if (p_datetime.find_char('T') > 0) { \ + has_date = has_time = true; \ + PackedStringArray array = p_datetime.split("T"); \ + date = array[0]; \ + time = array[1]; \ + } else if (p_datetime.find_char(' ') > 0) { \ + has_date = has_time = true; \ + PackedStringArray array = p_datetime.split(" "); \ + date = array[0]; \ + time = array[1]; \ + } else if (p_datetime.find_char('-', 1) > 0) { \ + has_date = true; \ + date = p_datetime; \ + } else if (p_datetime.find_char(':') > 0) { \ + has_time = true; \ + time = p_datetime; \ + } \ + /* Set the variables from the contents of the string. */ \ + if (has_date) { \ + PackedInt32Array array = date.split_ints("-", false); \ + year = array[0]; \ + month = (Month)array[1]; \ + day = array[2]; \ + /* Handle negative years. */ \ + if (p_datetime.find_char('-') == 0) { \ + year *= -1; \ + } \ + } \ + if (has_time) { \ + PackedInt32Array array = time.split_ints(":", false); \ + hour = array[0]; \ + minute = array[1]; \ + second = array[2]; \ + } \ + } + +#define EXTRACT_FROM_DICTIONARY \ + /* Get all time values from the dictionary. If it doesn't exist, set the */ \ + /* values to the default values for Unix epoch (1970-01-01 00:00:00). */ \ + int64_t year = p_datetime.has(YEAR_KEY) ? int64_t(p_datetime[YEAR_KEY]) : UNIX_EPOCH_YEAR_AD; \ + Month month = Month((p_datetime.has(MONTH_KEY)) ? uint8_t(p_datetime[MONTH_KEY]) : 1); \ + uint8_t day = p_datetime.has(DAY_KEY) ? uint8_t(p_datetime[DAY_KEY]) : 1; \ + uint8_t hour = p_datetime.has(HOUR_KEY) ? uint8_t(p_datetime[HOUR_KEY]) : 0; \ + uint8_t minute = p_datetime.has(MINUTE_KEY) ? uint8_t(p_datetime[MINUTE_KEY]) : 0; \ + uint8_t second = p_datetime.has(SECOND_KEY) ? uint8_t(p_datetime[SECOND_KEY]) : 0; + +Time *Time::singleton = nullptr; + +Time *Time::get_singleton() { + if (!singleton) { + memnew(Time); + } + return singleton; +} + +Dictionary Time::get_datetime_dict_from_unix_time(int64_t p_unix_time_val) const { + UNIX_TIME_TO_HMS + UNIX_TIME_TO_YMD + Dictionary datetime; + datetime[YEAR_KEY] = year; + datetime[MONTH_KEY] = (uint8_t)month; + datetime[DAY_KEY] = day; + // Unix epoch was a Thursday (day 0 aka 1970-01-01). + datetime[WEEKDAY_KEY] = Math::posmod(day_number + WEEKDAY_THURSDAY, 7); + datetime[HOUR_KEY] = hour; + datetime[MINUTE_KEY] = minute; + datetime[SECOND_KEY] = second; + + return datetime; +} + +Dictionary Time::get_date_dict_from_unix_time(int64_t p_unix_time_val) const { + UNIX_TIME_TO_YMD + Dictionary datetime; + datetime[YEAR_KEY] = year; + datetime[MONTH_KEY] = (uint8_t)month; + datetime[DAY_KEY] = day; + // Unix epoch was a Thursday (day 0 aka 1970-01-01). + datetime[WEEKDAY_KEY] = Math::posmod(day_number + WEEKDAY_THURSDAY, 7); + + return datetime; +} + +Dictionary Time::get_time_dict_from_unix_time(int64_t p_unix_time_val) const { + UNIX_TIME_TO_HMS + Dictionary datetime; + datetime[HOUR_KEY] = hour; + datetime[MINUTE_KEY] = minute; + datetime[SECOND_KEY] = second; + + return datetime; +} + +String Time::get_datetime_string_from_unix_time(int64_t p_unix_time_val, bool p_use_space) const { + UNIX_TIME_TO_HMS + UNIX_TIME_TO_YMD + // vformat only supports up to 6 arguments, so we need to split this up into 2 parts. + String timestamp = vformat("%04d-%02d-%02d", year, (uint8_t)month, day); + if (p_use_space) { + timestamp = vformat("%s %02d:%02d:%02d", timestamp, hour, minute, second); + } else { + timestamp = vformat("%sT%02d:%02d:%02d", timestamp, hour, minute, second); + } + + return timestamp; +} + +String Time::get_date_string_from_unix_time(int64_t p_unix_time_val) const { + UNIX_TIME_TO_YMD + // Android is picky about the types passed to make Variant, so we need a cast. + return vformat("%04d-%02d-%02d", year, (uint8_t)month, day); +} + +String Time::get_time_string_from_unix_time(int64_t p_unix_time_val) const { + UNIX_TIME_TO_HMS + return vformat("%02d:%02d:%02d", hour, minute, second); +} + +Dictionary Time::get_datetime_dict_from_string(String p_datetime, bool p_weekday) const { + PARSE_ISO8601_STRING + Dictionary dict; + dict[YEAR_KEY] = year; + dict[MONTH_KEY] = (uint8_t)month; + dict[DAY_KEY] = day; + if (p_weekday) { + YMD_TO_DAY_NUMBER + // Unix epoch was a Thursday (day 0 aka 1970-01-01). + dict[WEEKDAY_KEY] = Math::posmod(day_number + WEEKDAY_THURSDAY, 7); + } + dict[HOUR_KEY] = hour; + dict[MINUTE_KEY] = minute; + dict[SECOND_KEY] = second; + + return dict; +} + +String Time::get_datetime_string_from_dict(Dictionary p_datetime, bool p_use_space) const { + ERR_FAIL_COND_V_MSG(p_datetime.is_empty(), "", "Invalid datetime Dictionary: Dictionary is empty."); + EXTRACT_FROM_DICTIONARY + // vformat only supports up to 6 arguments, so we need to split this up into 2 parts. + String timestamp = vformat("%04d-%02d-%02d", year, (uint8_t)month, day); + if (p_use_space) { + timestamp = vformat("%s %02d:%02d:%02d", timestamp, hour, minute, second); + } else { + timestamp = vformat("%sT%02d:%02d:%02d", timestamp, hour, minute, second); + } + return timestamp; +} + +int64_t Time::get_unix_time_from_datetime_dict(Dictionary p_datetime) const { + ERR_FAIL_COND_V_MSG(p_datetime.is_empty(), 0, "Invalid datetime Dictionary: Dictionary is empty"); + EXTRACT_FROM_DICTIONARY + VALIDATE_YMDHMS + YMD_TO_DAY_NUMBER + return day_number * SECONDS_PER_DAY + hour * 3600 + minute * 60 + second; +} + +int64_t Time::get_unix_time_from_datetime_string(String p_datetime) const { + PARSE_ISO8601_STRING + VALIDATE_YMDHMS + YMD_TO_DAY_NUMBER + return day_number * SECONDS_PER_DAY + hour * 3600 + minute * 60 + second; +} + +Dictionary Time::get_datetime_dict_from_system(bool p_utc) const { + OS::Date date = OS::get_singleton()->get_date(p_utc); + OS::Time time = OS::get_singleton()->get_time(p_utc); + Dictionary datetime; + datetime[YEAR_KEY] = date.year; + datetime[MONTH_KEY] = (uint8_t)date.month; + datetime[DAY_KEY] = date.day; + datetime[WEEKDAY_KEY] = (uint8_t)date.weekday; + datetime[DST_KEY] = date.dst; + datetime[HOUR_KEY] = time.hour; + datetime[MINUTE_KEY] = time.minute; + datetime[SECOND_KEY] = time.second; + return datetime; +} + +Dictionary Time::get_date_dict_from_system(bool p_utc) const { + OS::Date date = OS::get_singleton()->get_date(p_utc); + Dictionary date_dictionary; + date_dictionary[YEAR_KEY] = date.year; + date_dictionary[MONTH_KEY] = (uint8_t)date.month; + date_dictionary[DAY_KEY] = date.day; + date_dictionary[WEEKDAY_KEY] = (uint8_t)date.weekday; + date_dictionary[DST_KEY] = date.dst; + return date_dictionary; +} + +Dictionary Time::get_time_dict_from_system(bool p_utc) const { + OS::Time time = OS::get_singleton()->get_time(p_utc); + Dictionary time_dictionary; + time_dictionary[HOUR_KEY] = time.hour; + time_dictionary[MINUTE_KEY] = time.minute; + time_dictionary[SECOND_KEY] = time.second; + return time_dictionary; +} + +String Time::get_datetime_string_from_system(bool p_utc, bool p_use_space) const { + OS::Date date = OS::get_singleton()->get_date(p_utc); + OS::Time time = OS::get_singleton()->get_time(p_utc); + // vformat only supports up to 6 arguments, so we need to split this up into 2 parts. + String timestamp = vformat("%04d-%02d-%02d", date.year, (uint8_t)date.month, date.day); + if (p_use_space) { + timestamp = vformat("%s %02d:%02d:%02d", timestamp, time.hour, time.minute, time.second); + } else { + timestamp = vformat("%sT%02d:%02d:%02d", timestamp, time.hour, time.minute, time.second); + } + + return timestamp; +} + +String Time::get_date_string_from_system(bool p_utc) const { + OS::Date date = OS::get_singleton()->get_date(p_utc); + // Android is picky about the types passed to make Variant, so we need a cast. + return vformat("%04d-%02d-%02d", date.year, (uint8_t)date.month, date.day); +} + +String Time::get_time_string_from_system(bool p_utc) const { + OS::Time time = OS::get_singleton()->get_time(p_utc); + return vformat("%02d:%02d:%02d", time.hour, time.minute, time.second); +} + +Dictionary Time::get_time_zone_from_system() const { + OS::TimeZoneInfo info = OS::get_singleton()->get_time_zone_info(); + Dictionary timezone; + timezone["bias"] = info.bias; + timezone["name"] = info.name; + return timezone; +} + +double Time::get_unix_time_from_system() const { + return OS::get_singleton()->get_unix_time(); +} + +uint64_t Time::get_ticks_msec() const { + return OS::get_singleton()->get_ticks_msec(); +} + +uint64_t Time::get_ticks_usec() const { + return OS::get_singleton()->get_ticks_usec(); +} + +void Time::_bind_methods() { + ClassDB::bind_method(D_METHOD("get_datetime_dict_from_unix_time", "unix_time_val"), &Time::get_datetime_dict_from_unix_time); + ClassDB::bind_method(D_METHOD("get_date_dict_from_unix_time", "unix_time_val"), &Time::get_date_dict_from_unix_time); + ClassDB::bind_method(D_METHOD("get_time_dict_from_unix_time", "unix_time_val"), &Time::get_time_dict_from_unix_time); + ClassDB::bind_method(D_METHOD("get_datetime_string_from_unix_time", "unix_time_val", "use_space"), &Time::get_datetime_string_from_unix_time, DEFVAL(false)); + ClassDB::bind_method(D_METHOD("get_date_string_from_unix_time", "unix_time_val"), &Time::get_date_string_from_unix_time); + ClassDB::bind_method(D_METHOD("get_time_string_from_unix_time", "unix_time_val"), &Time::get_time_string_from_unix_time); + ClassDB::bind_method(D_METHOD("get_datetime_dict_from_string", "datetime", "weekday"), &Time::get_datetime_dict_from_string); + ClassDB::bind_method(D_METHOD("get_datetime_string_from_dict", "datetime", "use_space"), &Time::get_datetime_string_from_dict); + ClassDB::bind_method(D_METHOD("get_unix_time_from_datetime_dict", "datetime"), &Time::get_unix_time_from_datetime_dict); + ClassDB::bind_method(D_METHOD("get_unix_time_from_datetime_string", "datetime"), &Time::get_unix_time_from_datetime_string); + + ClassDB::bind_method(D_METHOD("get_datetime_dict_from_system", "utc"), &Time::get_datetime_dict_from_system, DEFVAL(false)); + ClassDB::bind_method(D_METHOD("get_date_dict_from_system", "utc"), &Time::get_date_dict_from_system, DEFVAL(false)); + ClassDB::bind_method(D_METHOD("get_time_dict_from_system", "utc"), &Time::get_time_dict_from_system, DEFVAL(false)); + ClassDB::bind_method(D_METHOD("get_datetime_string_from_system", "utc", "use_space"), &Time::get_datetime_string_from_system, DEFVAL(false), DEFVAL(false)); + ClassDB::bind_method(D_METHOD("get_date_string_from_system", "utc"), &Time::get_date_string_from_system, DEFVAL(false)); + ClassDB::bind_method(D_METHOD("get_time_string_from_system", "utc"), &Time::get_time_string_from_system, DEFVAL(false)); + ClassDB::bind_method(D_METHOD("get_time_zone_from_system"), &Time::get_time_zone_from_system); + ClassDB::bind_method(D_METHOD("get_unix_time_from_system"), &Time::get_unix_time_from_system); + ClassDB::bind_method(D_METHOD("get_ticks_msec"), &Time::get_ticks_msec); + ClassDB::bind_method(D_METHOD("get_ticks_usec"), &Time::get_ticks_usec); + + BIND_ENUM_CONSTANT(MONTH_JANUARY); + BIND_ENUM_CONSTANT(MONTH_FEBRUARY); + BIND_ENUM_CONSTANT(MONTH_MARCH); + BIND_ENUM_CONSTANT(MONTH_APRIL); + BIND_ENUM_CONSTANT(MONTH_MAY); + BIND_ENUM_CONSTANT(MONTH_JUNE); + BIND_ENUM_CONSTANT(MONTH_JULY); + BIND_ENUM_CONSTANT(MONTH_AUGUST); + BIND_ENUM_CONSTANT(MONTH_SEPTEMBER); + BIND_ENUM_CONSTANT(MONTH_OCTOBER); + BIND_ENUM_CONSTANT(MONTH_NOVEMBER); + BIND_ENUM_CONSTANT(MONTH_DECEMBER); + + BIND_ENUM_CONSTANT(WEEKDAY_SUNDAY); + BIND_ENUM_CONSTANT(WEEKDAY_MONDAY); + BIND_ENUM_CONSTANT(WEEKDAY_TUESDAY); + BIND_ENUM_CONSTANT(WEEKDAY_WEDNESDAY); + BIND_ENUM_CONSTANT(WEEKDAY_THURSDAY); + BIND_ENUM_CONSTANT(WEEKDAY_FRIDAY); + BIND_ENUM_CONSTANT(WEEKDAY_SATURDAY); +} + +Time::Time() { + ERR_FAIL_COND_MSG(singleton, "Singleton for Time already exists."); + singleton = this; +} + +Time::~Time() { + singleton = nullptr; +} |