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MOHAWK: RIVEN: Delay less for slower systems

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Some systems may take longer to process the game loop
than others so we delay by a variable amount so faster
and slower system execute the game loop the same number
of times per second (the fps is capped at 100).

Slower systems that take longer than 10ms to process the game
loop won't have any delay.
This commit is contained in:
David Fioramonti 2018-08-07 18:36:58 -07:00 committed by Bastien Bouclet
parent 56389b1a5d
commit 535c47fced
2 changed files with 5 additions and 1 deletions
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5
engines/mohawk/riven.cpp
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@ -209,6 +209,7 @@ Common::Error MohawkEngine_Riven::run() {
void MohawkEngine_Riven::doFrame() {
// Update background running things
uint32 loopStart = _system->getMillis();
_sound->updateSLST();
_video->updateMovies();
@ -234,9 +235,11 @@ void MohawkEngine_Riven::doFrame() {
// Update the screen once per frame
_system->updateScreen();
uint32 loopElapsed = _system->getMillis() - loopStart;
// Cut down on CPU usage
_system->delayMillis(10);
if (loopElapsed < 10)
_system->delayMillis(10 - loopElapsed);
}
void MohawkEngine_Riven::processInput() {

1
engines/mohawk/riven.h
View File

@ -106,6 +106,7 @@ public:
bool hasFeature(EngineFeature f) const override;
void doFrame();
void processInput();
private:
// Datafiles