thirdparty/scummvm
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added speed main loop limit

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This commit is contained in:
Pawel Kolodziejski 2006-01-21 17:22:39 +00:00
parent 9f83ef8f41
commit 71faaaa124
2 changed files with 20 additions and 4 deletions
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23
engine.cpp
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@ -68,6 +68,7 @@ Engine::Engine() :
_textSpeed = 6;
_mode = _previousMode = ENGINE_MODE_IDLE;
_flipEnable = true;
_lastUpdateTime = 0;
_refreshDrawNeeded = true;
g_searchFile = NULL;
_savedState = NULL;
@ -217,6 +218,12 @@ void Engine::drawPrimitives() {
void Engine::luaUpdate() {
// Update timing information
unsigned newStart = SDL_GetTicks();
if (newStart < _frameStart) {
_frameStart = newStart;
return;
}
if (newStart - _frameStart < 30)
return;
_frameTime = newStart - _frameStart;
_frameStart = newStart;
@ -239,6 +246,17 @@ void Engine::luaUpdate() {
}
void Engine::updateDisplayScene() {
uint32 newTime = SDL_GetTicks();
if (newTime < _lastUpdateTime) {
_lastUpdateTime = newTime;
_doFlip = false;
}
if (newTime - _lastUpdateTime < 30) {
_doFlip = false;
return;
}
_lastUpdateTime = newTime;
_doFlip = true;
if (_mode == ENGINE_MODE_SMUSH) {
@ -349,15 +367,12 @@ void Engine::updateDisplayScene() {
}
void Engine::doFlip() {
if (SHOWFPS_GLOBAL)
if (SHOWFPS_GLOBAL && _doFlip)
g_driver->drawEmergString(550, 25, _fps, Color(255, 255, 255));
if (_doFlip && _flipEnable)
g_driver->flipBuffer();
// don't kill CPU
SDL_Delay(1);
if (SHOWFPS_GLOBAL && _doFlip) {
_frameCounter++;
_timeAccum += _frameTime;