Michael Fabian 'Xaymar' Dirks
35 lines
688 B
C++
35 lines
688 B
C++
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#include "gxtimer.hpp"
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#include "gxruntime.hpp"
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#include "std.hpp"
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gxTimer::gxTimer(gxRuntime* rt, int hertz) : runtime(rt), ticks_get(0), ticks_put(0)
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{
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event = CreateEvent(0, false, false, 0);
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timerID = timeSetEvent(1000 / hertz, 0, timerCallback, (DWORD)this, TIME_PERIODIC);
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}
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gxTimer::~gxTimer()
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{
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timeKillEvent(timerID);
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CloseHandle(event);
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}
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void CALLBACK gxTimer::timerCallback(UINT id, UINT msg, DWORD user, DWORD dw1, DWORD dw2)
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{
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gxTimer* t = (gxTimer*)user;
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++t->ticks_put;
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SetEvent(t->event);
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}
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int gxTimer::wait()
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{
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for (;;) {
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if (WaitForSingleObject(event, 1000) == WAIT_OBJECT_0)
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break;
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}
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int n = ticks_put - ticks_get;
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ticks_get += n;
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return n;
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}
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