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116 lines
2.6 KiB
C
116 lines
2.6 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 MD_WeekDay MD_WeekDay;
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enum MD_WeekDay
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{
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MD_WeekDay_Sun,
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MD_WeekDay_Mon,
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MD_WeekDay_Tue,
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MD_WeekDay_Wed,
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MD_WeekDay_Thu,
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MD_WeekDay_Fri,
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MD_WeekDay_Sat,
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MD_WeekDay_COUNT,
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};
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typedef enum MD_Month MD_Month;
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enum MD_Month
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{
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MD_Month_Jan,
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MD_Month_Feb,
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MD_Month_Mar,
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MD_Month_Apr,
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MD_Month_May,
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MD_Month_Jun,
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MD_Month_Jul,
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MD_Month_Aug,
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MD_Month_Sep,
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MD_Month_Oct,
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MD_Month_Nov,
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MD_Month_Dec,
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MD_Month_COUNT,
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};
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typedef struct MD_DateTime MD_DateTime;
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struct MD_DateTime
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{
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MD_U16 micro_sec; // [0,999]
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MD_U16 msec; // [0,999]
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MD_U16 sec; // [0,60]
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MD_U16 min; // [0,59]
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MD_U16 hour; // [0,24]
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MD_U16 day; // [0,30]
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union
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{
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MD_WeekDay week_day;
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MD_U32 wday;
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};
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union
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{
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MD_Month month;
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MD_U32 mon;
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};
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MD_U32 year; // 1 = 1 CE, 0 = 1 BC
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};
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typedef MD_U64 MD_DenseTime;
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////////////////////////////////
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//~ rjf: Time Functions
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MD_DenseTime md_dense_time_from_date_time (MD_DateTime date_time);
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MD_DateTime md_date_time_from_dense_time (MD_DenseTime time);
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MD_DateTime md_date_time_from_micro_seconds(MD_U64 time);
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MD_DateTime md_date_time_from_unix_time (MD_U64 unix_time);
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////////////////////////////////
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//~ rjf: Time Functions
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inline MD_DenseTime
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md_dense_time_from_date_time(MD_DateTime date_time) {
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MD_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 MD_DateTime
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md_date_time_from_dense_time(MD_DenseTime time) {
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MD_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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md_assert(time <= MD_MAX_U32);
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result.year = (MD_U32)time;
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return(result);
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}
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inline MD_DateTime
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md_date_time_from_micro_seconds(MD_U64 time){
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MD_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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md_assert(time <= MD_MAX_U32);
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result.year = (MD_U32)time;
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return(result);
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}
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