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Switch over to using SDL_GetTicks64()

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SDL_GetTicks64() is a function that got added in SDL 2.0.18, which is
just an SDL_GetTicks() without a value that wraps every ~49 days,
instead wrapping after the sun explodes and kills us all. Oh sorry,
didn't mean to get existential.

For now, put this behind an SDL_VERSION_ATLEAST guard, which will be
removed when SDL 2.0.18 officially releases and we can update to it.
This commit is contained in:
Misa 2021-10-25 18:16:47 -07:00 committed by Misa Elizabeth Kai
parent 75e031cef0
commit 0c1f756af8
2 changed files with 28 additions and 7 deletions
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5
desktop_version/src/Script.cpp
View file

@ -3087,7 +3087,12 @@ void scriptclass::hardreset(void)
{
const bool version2_2 = GlitchrunnerMode_less_than_or_equal(Glitchrunner2_2);
#if SDL_VERSION_ATLEAST(2, 0, 17)
/* The RNG is 32-bit. We don't _really_ need 64-bit... */
xoshiro_seed((Uint32) SDL_GetTicks64());
#else
xoshiro_seed(SDL_GetTicks());
#endif
//Game:
game.hascontrol = true;

30
desktop_version/src/main.cpp
View file

@ -59,13 +59,13 @@ static std::string playassets;
static std::string playtestname;
static volatile Uint32 time_ = 0;
static volatile Uint32 timePrev = 0;
static volatile Uint64 time_ = 0;
static volatile Uint64 timePrev = 0;
static volatile Uint32 accumulator = 0;
#ifndef __EMSCRIPTEN__
static volatile Uint32 f_time = 0;
static volatile Uint32 f_timePrev = 0;
static volatile Uint64 f_time = 0;
static volatile Uint64 f_timePrev = 0;
#endif
enum FuncType
@ -358,7 +358,11 @@ static void cleanup(void);
static void emscriptenloop(void)
{
timePrev = time_;
#if SDL_VERSION_ATLEAST(2, 0, 17)
time_ = SDL_GetTicks64();
#else
time_ = SDL_GetTicks();
#endif
deltaloop();
}
#endif
@ -670,20 +674,32 @@ int main(int argc, char *argv[])
#else
while (true)
{
#if SDL_VERSION_ATLEAST(2, 0, 17)
f_time = SDL_GetTicks64();
#else
f_time = SDL_GetTicks();
#endif
const Uint32 f_timetaken = f_time - f_timePrev;
const Uint64 f_timetaken = f_time - f_timePrev;
if (!game.over30mode && f_timetaken < 34)
{
const volatile Uint32 f_delay = 34 - f_timetaken;
SDL_Delay(f_delay);
const volatile Uint64 f_delay = 34 - f_timetaken;
SDL_Delay((Uint32) f_delay);
#if SDL_VERSION_ATLEAST(2, 0, 17)
f_time = SDL_GetTicks64();
#else
f_time = SDL_GetTicks();
#endif
}
f_timePrev = f_time;
timePrev = time_;
#if SDL_VERSION_ATLEAST(2, 0, 17)
time_ = SDL_GetTicks64();
#else
time_ = SDL_GetTicks();
#endif
deltaloop();
}