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Codechange: use std::chrono to track time in modal windows

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Adding to _realtime_ticks in a random place is a bit of a hack,
and by using modern C++, we can avoid this hack.
This commit is contained in:
Patric Stout 2021-02-17 14:36:11 +01:00 committed by Patric Stout
parent 1f6fb8c290
commit d437445c67
2 changed files with 5 additions and 6 deletions
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8
src/genworld_gui.cpp
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@ -1188,7 +1188,7 @@ struct GenWorldStatus {
StringID cls;
uint current;
uint total;
int timer;
std::chrono::steady_clock::time_point timer;
};
static GenWorldStatus _gws;
@ -1294,7 +1294,7 @@ void PrepareGenerateWorldProgress()
_gws.current = 0;
_gws.total = 0;
_gws.percent = 0;
_gws.timer = 0; // Forces to paint the progress window immediately
_gws.timer = std::chrono::steady_clock::now() - std::chrono::milliseconds(MODAL_PROGRESS_REDRAW_TIMEOUT * 2); // Ensure we draw on first update
}
/**
@ -1329,7 +1329,7 @@ static void _SetGeneratingWorldProgress(GenWorldProgress cls, uint progress, uin
}
/* Don't update the screen too often. So update it once in every once in a while... */
if (!_network_dedicated && _gws.timer != 0 && _realtime_tick - _gws.timer < MODAL_PROGRESS_REDRAW_TIMEOUT) return;
if (!_network_dedicated && std::chrono::steady_clock::now() - _gws.timer < std::chrono::milliseconds(MODAL_PROGRESS_REDRAW_TIMEOUT)) return;
/* Percentage is about the number of completed tasks, so 'current - 1' */
_gws.percent = percent_table[cls] + (percent_table[cls + 1] - percent_table[cls]) * (_gws.current == 0 ? 0 : _gws.current - 1) / _gws.total;
@ -1365,7 +1365,7 @@ static void _SetGeneratingWorldProgress(GenWorldProgress cls, uint progress, uin
_modal_progress_work_mutex.lock();
_modal_progress_paint_mutex.unlock();
_gws.timer = _realtime_tick;
_gws.timer = std::chrono::steady_clock::now();
}
/**

3
src/gfx.cpp
View File

@ -1470,9 +1470,8 @@ void DrawDirtyBlocks()
_modal_progress_paint_mutex.unlock();
_modal_progress_work_mutex.unlock();
/* Wait a while and update _realtime_tick so we are given the rights */
/* Wait a while and hope the modal gives us a bit of time to draw the GUI. */
if (!IsFirstModalProgressLoop()) CSleep(MODAL_PROGRESS_REDRAW_TIMEOUT);
_realtime_tick += MODAL_PROGRESS_REDRAW_TIMEOUT;
/* Modal progress thread may need blitter access while we are waiting for it. */
VideoDriver::GetInstance()->ReleaseBlitterLock();