Show FrameLimiter.cpp syntax highlighted
////////////////////////////////////////////////////////////////////////////////
// Scorched3D (c) 2000-2004
//
// This file is part of Scorched3D.
//
// Scorched3D is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// Scorched3D is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Scorched3D; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
////////////////////////////////////////////////////////////////////////////////
#include <graph/FrameLimiter.h>
#include <graph/OptionsDisplay.h>
#include <SDL/SDL.h>
FrameLimiter::FrameLimiter()
{
}
FrameLimiter::~FrameLimiter()
{
}
void FrameLimiter::dontLimitFrameTime()
{
unsigned int lastFrameTicks = frameTime_.getTicksDifference();
}
void FrameLimiter::limitFrameTime()
{
unsigned int wantedFramesPerSecond =
(unsigned int) OptionsDisplay::instance()->getFramesPerSecondLimit();
if (wantedFramesPerSecond == 0) return;
unsigned int lastFrameTicks = frameTime_.getTicksDifference();
unsigned int wantedTicksPerFrame = 1000 / wantedFramesPerSecond;
if (wantedTicksPerFrame > lastFrameTicks)
{
SDL_Delay(wantedTicksPerFrame - lastFrameTicks);
frameTime_.getTicksDifference(); // Remove time taken in delay
}
}
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