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Port changes from SolidPP

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doylet
2025-11-20 22:39:46 +11:00
parent 061aebfff9
commit 38c0e7dda0
10 changed files with 621 additions and 492 deletions
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Source/OS/dn_os_w32.cpp
+29 -46
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@@ -125,19 +125,20 @@ DN_API void DN_OS_MemDealloc(void *ptr)
HeapFree(GetProcessHeap(), 0, ptr);
}
// NOTE: Date //////////////////////////////////////////////////////////////////////////////////////
DN_API DN_OSDateTime DN_OS_DateLocalTimeNow()
// NOTE: Date
DN_API DN_Date DN_OS_DateLocalTimeNow()
{
SYSTEMTIME sys_time;
GetLocalTime(&sys_time);
DN_OSDateTime result = {};
result.hour = DN_Cast(uint8_t) sys_time.wHour;
result.minutes = DN_Cast(uint8_t) sys_time.wMinute;
result.seconds = DN_Cast(uint8_t) sys_time.wSecond;
result.day = DN_Cast(uint8_t) sys_time.wDay;
result.month = DN_Cast(uint8_t) sys_time.wMonth;
result.year = DN_Cast(int16_t) sys_time.wYear;
DN_Date result = {};
result.hour = DN_Cast(DN_U8) sys_time.wHour;
result.milliseconds = DN_Cast(DN_U8) sys_time.wMilliseconds;
result.minutes = DN_Cast(DN_U8) sys_time.wMinute;
result.seconds = DN_Cast(DN_U8) sys_time.wSecond;
result.day = DN_Cast(DN_U8) sys_time.wDay;
result.month = DN_Cast(DN_U8) sys_time.wMonth;
result.year = DN_Cast(DN_U16) sys_time.wYear;
return result;
}
@@ -158,15 +159,16 @@ DN_API DN_U64 DN_OS_DateUnixTimeNs()
return result;
}
static SYSTEMTIME DN_OS_DateToSystemTime_(DN_OSDateTime date)
static SYSTEMTIME DN_OS_DateToSystemTime_(DN_Date date)
{
SYSTEMTIME result = {};
result.wYear = date.year;
result.wMonth = date.month;
result.wDay = date.day;
result.wHour = date.hour;
result.wMinute = date.minutes;
result.wSecond = date.seconds;
SYSTEMTIME result = {};
result.wYear = date.year;
result.wMonth = date.month;
result.wDay = date.day;
result.wHour = date.hour;
result.wMinute = date.minutes;
result.wSecond = date.seconds;
result.wMilliseconds = date.milliseconds;
return result;
}
@@ -182,7 +184,7 @@ static DN_U64 DN_OS_SystemTimeToUnixTimeS_(SYSTEMTIME *sys_time)
return result;
}
DN_API DN_U64 DN_OS_DateLocalToUnixTimeS(DN_OSDateTime date)
DN_API DN_U64 DN_OS_DateUnixTimeSFromLocalDate(DN_Date date)
{
SYSTEMTIME local_time = DN_OS_DateToSystemTime_(date);
SYSTEMTIME sys_time = {};
@@ -191,36 +193,17 @@ DN_API DN_U64 DN_OS_DateLocalToUnixTimeS(DN_OSDateTime date)
return result;
}
DN_API DN_U64 DN_OS_DateToUnixTimeS(DN_OSDateTime date)
DN_API DN_U64 DN_OS_DateLocalUnixTimeSFromUnixTimeS(DN_U64 unix_ts_s)
{
DN_Assert(DN_OS_DateIsValid(date));
DN_U64 unix_time = DN_Cast(DN_U64) unix_ts_s * 10000000LL; // seconds -> 100ns units
DN_U64 filetime_utc = unix_time + 116444736000000000LL; // Unix epoch -> Windows epoch
FILETIME ft_utc = {DN_Cast(DWORD) filetime_utc, DN_Cast(DWORD)(filetime_utc >> 32)};
FILETIME ft_local;
bool converted = FileTimeToLocalFileTime(&ft_utc, &ft_local);
DN_Assert(converted);
SYSTEMTIME sys_time = DN_OS_DateToSystemTime_(date);
DN_U64 result = DN_OS_SystemTimeToUnixTimeS_(&sys_time);
return result;
}
DN_API DN_OSDateTime DN_OS_DateUnixTimeSToDate(DN_U64 time)
{
// NOTE: Windows epoch time starts from Jan 1, 1601 and counts in
// 100-nanoseconds intervals.
//
// See: https://devblogs.microsoft.com/oldnewthing/20090306-00/?p=18913
DN_U64 w32_time = 116'444'736'000'000'000 + (time * 10'000'000);
SYSTEMTIME sys_time = {};
FILETIME file_time = {};
file_time.dwLowDateTime = (DWORD)w32_time;
file_time.dwHighDateTime = w32_time >> 32;
FileTimeToSystemTime(&file_time, &sys_time);
DN_OSDateTime result = {};
result.year = DN_Cast(uint16_t) sys_time.wYear;
result.month = DN_Cast(uint8_t) sys_time.wMonth;
result.day = DN_Cast(uint8_t) sys_time.wDay;
result.hour = DN_Cast(uint8_t) sys_time.wHour;
result.minutes = DN_Cast(uint8_t) sys_time.wMinute;
result.seconds = DN_Cast(uint8_t) sys_time.wSecond;
DN_U64 filetime_local = (DN_Cast(DN_U64) ft_local.dwHighDateTime << 32) | ft_local.dwLowDateTime;
DN_U64 result = (filetime_local - 116444736000000000LL) / 10000000LL;
return result;
}