/* SDL_framerate - test program for framerate manager Copyright (C) A. Schiffler, August 2001 This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifdef DREAMCAST #include <kos.h> KOS_INIT_FLAGS(INIT_DEFAULT); #endif #ifdef GP32 #include <x_gp32.h> #endif #include <stdlib.h> #include <stdio.h> #include <string.h> #include <time.h> #include "SDL.h" #include "SDL_framerate.h" #include "SDL_gfxPrimitives.h" void ClearEvents() { SDL_Event event; SDL_Delay(333); while(SDL_PollEvent(&event)) SDL_Delay(50); } void HandleEvent() { SDL_Event event; /* Check for events */ while ( SDL_PollEvent(&event) ) { switch (event.type) { case SDL_JOYBUTTONDOWN: case SDL_KEYDOWN: case SDL_QUIT: exit(0); break; } } } void Draw(SDL_Surface *screen) { int i,rate,x,y,dx,dy,r,g,b; FPSmanager fpsm; /* Initialize variables */ srand(SDL_GetTicks()); i=0; x=screen->w/2; y=screen->h/2; dx=7; dy=5; r=g=b=255; ClearEvents(); SDL_initFramerate(&fpsm); while (1) { /* Set/switch framerate */ i -= 1; if (i<0) { /* Set new rate */ rate=5+5*(rand() % 10); SDL_setFramerate(&fpsm,rate); /* New timeout */ i=2*rate; /* New Color */ r=rand() & 255; g=rand() & 255; b=rand() & 255; } HandleEvent(); SDL_FillRect(screen,NULL,0); /* Move */ x += dx; y += dy; /* Reflect */ if ((x<0) || (x>screen->w)) { dx=-dx; } if ((y<0) || (y>screen->h)) { dy=-dy; } /* Draw */ filledCircleRGBA (screen,x,y,30,r,g,b,255); circleRGBA(screen,x,y,30,255,255,255,255); SDL_Flip(screen); /* Delay to fix rate */ SDL_framerateDelay(&fpsm); } } int main ( int argc, char *argv[] ) { SDL_Surface *screen; Uint32 video_flags = SDL_HWSURFACE | SDL_HWPALETTE | SDL_DOUBLEBUF; Uint32 video_bits=0; #if defined(DREAMCAST) || defined(GP32) video_flags |= SDL_FULLSCREEN; #ifdef GP32 x_gp32_SetCPUSpeed_133(); video_bits=8; #else video_bits=16; #endif #endif if ( SDL_Init(SDL_INIT_VIDEO|SDL_INIT_JOYSTICK) < 0 ) { fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError()); exit(1); } screen = SDL_SetVideoMode(320, 240, video_bits, video_flags); if ( screen == NULL ) { fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n", 320, 240, video_bits, SDL_GetError()); exit(1); } SDL_JoystickEventState(SDL_ENABLE); SDL_JoystickOpen(0); Draw (screen); return(0); }