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#include <HsFFI.h>
#ifdef __GLASGOW_HASKELL__
#include "Crackme_stub.h"
#endif
#include <ctype.h>
#include <math.h>
#include <SDL2/SDL.h>
#include <SDL2/SDL_image.h>
#include <SDL2/SDL_mixer.h>
#include "background.h"
#include "font.h"
#include "her3.h"
#define TITLE "Lambda"
#define WIDTH 640
#define HEIGHT 480
#define CHAR_WIDTH 32
#define CHAR_HEIGHT 32
SDL_Window *win;
SDL_Renderer *renderer;
SDL_Texture *font;
SDL_Texture *back;
char input[22];
char msg[] = "KEY ACCEPTED!";
int ptr = 0;
int should_quit = 0;
int key_accepted = 0;
char to_upper(char c)
{
switch (c)
{
case '[':
return '{';
case ']':
return '}';
default:
return toupper(c);
}
}
void update_input(void)
{
static SDL_Keymod mod;
SDL_Event evt;
SDL_PumpEvents();
mod = SDL_GetModState();
while (SDL_PollEvent(&evt)) {
if (evt.type == SDL_KEYDOWN) {
if (0x20 <= evt.key.keysym.sym && evt.key.keysym.sym <= 0x7f) {
if (evt.key.repeat) {
continue;
}
if (ptr < (int) sizeof(input) - 1){
input[ptr++] = (mod & (KMOD_RSHIFT | KMOD_LSHIFT)) ? to_upper(evt.key.keysym.sym) : evt.key.keysym.sym;
}
if (keycheck_hs(input)) {
key_accepted = 1;
}
} else if (evt.key.keysym.sym == SDLK_BACKSPACE) {
if (evt.key.repeat) {
continue;
}
if (ptr > 0) {
input[--ptr] = ' ';
}
} else if (evt.key.keysym.sym == SDLK_ESCAPE) {
should_quit = 1;
}
}
}
}
void draw_char(int x, int y, char c)
{
if (c < 0x20 || c > 0x7e) {
return;
}
SDL_Rect src, dst;
src.x = ((c - 0x20) % 16) * 8;
src.y = ((c - 0x20) / 16) * 8;
src.w = src.h = 8;
dst.x = x;
dst.y = y;
dst.w = CHAR_WIDTH;
dst.h = CHAR_HEIGHT;
SDL_RenderCopy(renderer, font, &src, &dst);
}
int main(int argc, char **argv)
{
int i;
SDL_RWops *music_mem;
SDL_RWops *font_mem;
SDL_RWops *back_mem;
Mix_Music *music;
SDL_Surface *font_surf;
SDL_Surface *back_surf;
hs_init(&argc, &argv);
for (i = 0; i < (int) sizeof(input); i++)
input[i] = ' ';
input[21] = '\0';
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) != 0) {
fprintf(stderr, "Could not initialize SDL.\n");
return 1;
}
if (IMG_Init(IMG_INIT_PNG) != IMG_INIT_PNG) {
fprintf(stderr, "Could not initialize SDL_image.\n");
return 2;
}
if (Mix_Init(MIX_INIT_MOD) != MIX_INIT_MOD ||
Mix_OpenAudio(MIX_DEFAULT_FREQUENCY, MIX_DEFAULT_FORMAT, MIX_CHANNELS, 4096) == -1) {
fprintf(stderr, "Running without cool tunes :(\n");
}
win = SDL_CreateWindow(
TITLE,
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
WIDTH,
HEIGHT,
0
);
if (win == NULL) {
fprintf(stderr, "Could not initialize window.\n");
return 3;
}
renderer = SDL_CreateRenderer(
win,
-1,
SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC
);
if (renderer == NULL) {
fprintf(stderr, "Could not initialize renderer.\n");
return 4;
}
font_mem = SDL_RWFromMem(font_data, sizeof(font_data));
back_mem = SDL_RWFromMem(background_data, sizeof(background_data));
font_surf = IMG_LoadPNG_RW(font_mem);
back_surf = IMG_LoadPNG_RW(back_mem);
if (font_surf == NULL || back_surf == NULL) {
fprintf(stderr, "Could not load images\n");
return 5;
}
font = SDL_CreateTextureFromSurface(renderer, font_surf);
back = SDL_CreateTextureFromSurface(renderer, back_surf);
if (font == NULL || back == NULL) {
fprintf(stderr, "Could not convert images to textures\n");
return 6;
}
music_mem = SDL_RWFromMem(her3_data, sizeof(her3_data));
music = Mix_LoadMUSType_RW(music_mem, MUS_MOD, sizeof(music_mem));
if (music != NULL) {
Mix_PlayMusic(music, -1);
}
double t = 0;
while (!should_quit) {
t += 1.5;
update_input();
SDL_RenderCopy(renderer, back, NULL, NULL);
if (key_accepted)
for (i = 0; i < (int) sizeof(msg); i++) {
draw_char((20 - 13) / 2 * CHAR_WIDTH + CHAR_WIDTH + i * CHAR_WIDTH, 8 * cos(t / 256 + i) + HEIGHT / 4, msg[i]);
}
for (i = 0; i < (int) sizeof(input); i++) {
draw_char((32 * i + (int) t) % (WIDTH + 4 * CHAR_WIDTH) - CHAR_WIDTH, 16 * sin(t / 128 + i) + HEIGHT / 2, input[i]);
}
SDL_RenderPresent(renderer);
SDL_Delay(1000 / 60);
}
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(win);
IMG_Quit();
Mix_Quit();
SDL_Quit();
hs_exit();
return 0;
}
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