int menu_wait()
{
menu_show();
int chosen_option;
while ((get_int_input("Insira a sua opção: ", &chosen_option)) == 1)
{
printf("Opção não válida.\n");
}
if (chosen_option > 0 && chosen_option <= N_OPTIONS)
{
return chosen_option;
}
clear_screen();
return -1;
}
int main(int argc, char * args[]) {
UNUSED(argc);
UNUSED(args);
init_bob_rand();
seedMT(4357U);
srand(time(NULL));
s_lcrand(time(NULL));
s_rand_qpr(0, 0);
int selected_mode = 999999;
while(selected_mode>10){
printf("Select random function by pressing number key\n1:Windows random \t2:LFSR \t3:Mersenne twister"
"\t4BobByrtle \t5Linear Congruential\t6Random with array \t7xorShift \t8Quadratic Resides"
"\t9Concatenate 16 \t10Tausworth\n");
selected_mode = get_int_input();
}
SDL_Init(SDL_INIT_VIDEO);
SDL_Window * sdlWindow = SDL_CreateWindow("Visualize PRNG",
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
640, 480,
SDL_WINDOW_OPENGL);
if (sdlWindow == NULL) {
printf("Could not create window: %s\n", SDL_GetError());
return 1;
}
SDL_Renderer * sdlRenderer = SDL_CreateRenderer(sdlWindow, -1, 0);
if (sdlRenderer == NULL) {
printf("Could not create renderer: %s\n", SDL_GetError());
return 1;
}
SDL_RenderClear(sdlRenderer);
SDL_RenderPresent(sdlRenderer);
SDL_Texture * sdlTexture = SDL_CreateTexture(sdlRenderer,
SDL_PIXELFORMAT_RGBA8888,
SDL_TEXTUREACCESS_STREAMING,
640, 480);
if (sdlTexture == NULL) {
printf("Could not create texture: %s\n", SDL_GetError());
return 1;
}
SDL_SetTextureBlendMode(sdlTexture, SDL_BLENDMODE_BLEND);
uint8 * data = (uint8 * ) malloc(sizeof(uint8) * 640 * 480);
uint32 * pixels = (uint32 * ) malloc(sizeof(uint32) * 640 * 480);
memset(pixels, 0, 640 * 480 * sizeof(uint32));
memset(data, 0, 640 * 480 * sizeof(uint8));
int cnt=5999999;
uint32 * itable =createdata(cnt,selected_mode);
CameraData camData;
camData.xshift=0;
camData.yshift=0;
camData.zoom=1;
camData.phata=0;
SDL_PixelFormat* format = SDL_AllocFormat(SDL_PIXELFORMAT_RGBA8888);
int arr_size = 640 * 480;
bool keep_running = true;
while (keep_running) {
memset(pixels, 0, 640 * 480 * sizeof(uint32));
update_data(data,640,480,itable,cnt,&camData);
for(int i=0;i<arr_size;++i){
uint8 data_value = data[i];
if(data_value){
pixels[i] = SDL_MapRGBA( format, 0xFF, 0xFF, 0xFF, data_value );
}
}
SDL_UpdateTexture(sdlTexture, NULL, pixels, 640 * sizeof(Uint32));
SDL_RenderClear(sdlRenderer);
SDL_RenderCopy(sdlRenderer, sdlTexture, NULL, NULL);
SDL_RenderPresent(sdlRenderer);
SDL_Delay(20);
keep_running = handle_events(&camData);
}
SDL_DestroyWindow(sdlWindow);
SDL_Quit();
free(pixels);
SDL_DestroyTexture(sdlTexture);
SDL_DestroyRenderer(sdlRenderer);
return 0;
}