37 lines
803 B
C
37 lines
803 B
C
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#include "gametime.h"
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#include "types.h"
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System_GameTime *gametime_NewSystem(App *super) {
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System_GameTime *sys = zero_malloc(sizeof(System_GameTime));
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sys->super = super;
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sys->now = GAMETIME_EPOCH;
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return sys;
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}
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void gametime_DeleteSystem(System_GameTime *sys) {
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free(sys);
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}
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void gametime_Advance(System_GameTime *sys, Duration deltaTime) {
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sys->now += deltaTime.microseconds;
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}
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TimePoint gametime_Now(System_GameTime *sys) {
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TimePoint now = {.microseconds = sys->now};
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return now;
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}
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Duration gametime_Since(System_GameTime *sys, TimePoint prev) {
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return time_Difference(gametime_Now(sys), prev);
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}
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Duration gametime_Reset(System_GameTime *sys, TimePoint *prev) {
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TimePoint now = gametime_Now(sys);
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Duration d = time_Difference(now, *prev);
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*prev = now;
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return d;
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}
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