src/sgecontrol.c

/*
 * Copyright (c) 2007 Heiko Irrgang
 *
 * The license and distribution terms for this file may be
 * found in the file COPYING in this distribution or at
 * http://93-interactive.com/cms/products/software/sdl-game-engine/license/
 */

#include <sge.h>

Uint32 sgeGlobalFPS=0;

SGETIMER sgeAddTimer(int ms, void *function) {
        SGETIMER ret;
        if ((ret=SDL_AddTimer(ms, function, NULL))==NULL) {
                sgeBailOut("Error adding timer %s\n", "" );
        }
        return ret;
}

static Uint32 sgeRedrawTimer(Uint32 interval, void *param) {
        SDL_Event event;
        SDL_UserEvent uevent;

        uevent.type = SDL_USEREVENT;
        uevent.code = SGEREDRAW;
        uevent.data1 = NULL;
        uevent.data2 = NULL; 
        event.type = SDL_USEREVENT;
        event.user = uevent;
        SDL_PushEvent (&event);
        return interval;
}

SGETIMER sgeStartRedrawTimer(int fps) {
        sgeGlobalFPS=fps;
        return sgeAddTimer(1000/fps, sgeRedrawTimer);
}

void sgeStopRedrawTimer(SGETIMER sgetimer) {
        sgeRemoveTimer(sgetimer);
}

Uint32 sgeGetFPS() {
        return sgeGlobalFPS;
}