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116 lines
2.4 KiB
C
116 lines
2.4 KiB
C
#ifdef INTELLISENSE_DIRECTIVES
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# pragma once
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# include "base_types.h"
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#endif
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////////////////////////////////
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//~ allen: Time
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typedef enum WeekDay WeekDay;
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enum Weekday
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{
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WeekDay_Sun,
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WeekDay_Mon,
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WeekDay_Tue,
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WeekDay_Wed,
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WeekDay_Thu,
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WeekDay_Fri,
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WeekDay_Sat,
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WeekDay_COUNT,
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};
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typedef enum Month Month;
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enum Month
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{
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Month_Jan,
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Month_Feb,
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Month_Mar,
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Month_Apr,
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Month_May,
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Month_Jun,
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Month_Jul,
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Month_Aug,
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Month_Sep,
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Month_Oct,
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Month_Nov,
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Month_Dec,
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Month_COUNT,
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};
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typedef struct DateTime DateTime;
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struct DateTime
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{
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U16 micro_sec; // [0,999]
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U16 msec; // [0,999]
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U16 sec; // [0,60]
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U16 min; // [0,59]
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U16 hour; // [0,24]
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U16 day; // [0,30]
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union
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{
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WeekDay week_day;
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U32 wday;
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};
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union
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{
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Month month;
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U32 mon;
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};
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U32 year; // 1 = 1 CE, 0 = 1 BC
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};
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typedef U64 DenseTime;
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////////////////////////////////
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//~ rjf: Time Functions
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DenseTime dense_time_from_date_time (DateTime date_time);
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DateTime date_time_from_dense_time (DenseTime time);
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DateTime date_time_from_micro_seconds(U64 time);
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DateTime date_time_from_unix_time (U64 unix_time);
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////////////////////////////////
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//~ rjf: Time Functions
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inline DenseTime
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dense_time_from_date_time(DateTime date_time) {
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DenseTime result = 0;
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result += date_time.year; result *= 12;
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result += date_time.mon; result *= 31;
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result += date_time.day; result *= 24;
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result += date_time.hour; result *= 60;
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result += date_time.min; result *= 61;
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result += date_time.sec; result *= 1000;
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result += date_time.msec;
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return(result);
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}
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inline DateTime
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date_time_from_dense_time(DenseTime time) {
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DateTime result = {0};
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result.msec = time % 1000; time /= 1000;
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result.sec = time % 61; time /= 61;
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result.min = time % 60; time /= 60;
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result.hour = time % 24; time /= 24;
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result.day = time % 31; time /= 31;
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result.mon = time % 12; time /= 12;
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assert(time <= MAX_U32);
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result.year = (U32)time;
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return(result);
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}
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inline DateTime
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date_time_from_micro_seconds(U64 time){
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DateTime result = {0};
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result.micro_sec = time % 1000; time /= 1000;
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result.msec = time % 1000; time /= 1000;
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result.sec = time % 60; time /= 60;
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result.min = time % 60; time /= 60;
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result.hour = time % 24; time /= 24;
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result.day = time % 31; time /= 31;
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result.mon = time % 12; time /= 12;
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assert(time <= MAX_U32);
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result.year = (U32)time;
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return(result);
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}
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