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/************************************************************************
* This file is part of Wizznic. *
* Copyright 2009-2011 Jimmy Christensen <dusted@dusted.dk> *
* Wizznic 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 3 of the License, or *
* (at your option) any later version. *
* *
* Wizznic 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 Foobar. If not, see <http://www.gnu.org/licenses/>. *
************************************************************************/
#include "time.h"
#include "text.h"
#include "defs.h"
static int lastTick=0; //SDL clock
static int ticks=0; //ticks since last frame
static int frames=0;
void frameStart()
{
ticks = SDL_GetTicks() - lastTick;
lastTick = SDL_GetTicks();
frames++;
}
static int fpsSecondCounter=0;
static int fps=0;
static char fpsStr[16] = { '0','0','\0' };
inline int getTicks()
{
return(ticks);
}
inline int getTimeSinceFrameStart()
{
return( SDL_GetTicks() - lastTick );
}
void drawFPS(SDL_Surface* scr)
{
fps++;
fpsSecondCounter+=getTicks();
if(fpsSecondCounter > 999)
{
sprintf(fpsStr, "%i Fps", fps);
fps=0;
fpsSecondCounter=0;
}
txtWrite(scr,FONTSMALL, fpsStr, HSCREENW-160,HSCREENH-120);
}
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