restore old frontends as they were

Minimal changes, just enough to get them building and running.

Signed-off-by: Andrew Opalach <andrew@akon.city>

5 files changed, 868 insertions, 0 deletions

diff --git a/frontends/sdl/cetris_sdl.c b/frontends/sdl/cetris_sdl.c
new file mode 100644
index 0000000..3bb6cb8
--- /dev/null
+++ b/frontends/sdl/cetris_sdl.c
@@ -0,0 +1,727 @@
+#define _XOPEN_SOURCE 500
+
+#define CETRIS_HI_RES 1
+#define CETRIS_ENABLE_DAS 1
+#include <cetris.h>
+#include <rules.h>
+#include "../../ini/ini.h"
+
+#include "../timer.c"
+
+#define SDL_MAIN_HANDLED
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_ttf.h>
+#include <SDL2/SDL_image.h>
+#ifdef _WIN32
+#define format_str sprintf_s
+#else
+#define format_str snprintf
+#endif
+#include <math.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/stat.h>
+
+#include "cetris_sdl.h"
+
+#define W 900
+#define H 720
+#define FRAME_RATE 60
+
+void setup_sdl(cetris_ui *ui) {
+  SDL_Init(SDL_INIT_VIDEO|SDL_INIT_AUDIO);
+  ui->window = SDL_CreateWindow("cetris", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, W, H, SDL_WINDOW_SHOWN);
+  SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "1");
+  SDL_SetHint(SDL_HINT_RENDER_DRIVER,"opengl");
+  ui->render = SDL_CreateRenderer(ui->window, -1, SDL_RENDERER_PRESENTVSYNC|SDL_RENDERER_ACCELERATED);
+  SDL_SetRenderDrawBlendMode(ui->render, SDL_BLENDMODE_BLEND);
+  SDL_RenderSetLogicalSize(ui->render, W, H);
+  if (!ui->render) exit(fprintf(stderr, "err: could not create SDL renderer\n"));
+
+  TTF_Init();
+  ui->font_count = 0;
+
+  IMG_Init(IMG_INIT_PNG);
+
+  SDL_AudioSpec spec;
+
+  SDL_memset(&spec, 0, sizeof(spec));
+  spec.freq = 44100;
+  spec.format = AUDIO_S16;
+  spec.channels = 2;
+  spec.samples = 4096;
+  spec.callback = NULL;
+
+  ui->audio_device = SDL_OpenAudioDevice(NULL, 0, &spec, NULL, 0);
+  if (ui->audio_device == 0) printf("failed to open audio device\n");
+  else SDL_PauseAudioDevice(ui->audio_device, 0);
+}
+
+TTF_Font* get_font(cetris_ui *ui, int size) {
+  for (int i = 0; i < ui->font_count; i++) {
+    if (ui->fonts[i].size == size) {
+      return ui->fonts[i].font;
+    }
+  }
+  ui->fonts[ui->font_count].font = TTF_OpenFont("data/OpenSans-Regular.ttf", size);
+  TTF_SetFontHinting(ui->fonts[ui->font_count].font, TTF_HINTING_MONO);
+  ui->fonts[ui->font_count].size = size;
+  return ui->fonts[ui->font_count++].font;
+}
+
+SDL_Texture* load_png(cetris_ui* ui, char* file) {
+  SDL_Surface* loaded_surface = IMG_Load(file);
+  if (loaded_surface == NULL) {
+      fprintf(stderr, "err: failed to load %s\n", file);
+      return NULL;
+  }
+  return SDL_CreateTextureFromSurface(ui->render, loaded_surface);
+}
+
+uint8_t *lock_sound;
+uint32_t lock_sound_length;
+void load_multiple_audio(char* name, char* dir_name, int *count, audio_clip_t* list) {
+  char file[120];
+
+  int index = 0;
+  for (int i = 0; i < (*count); i++) {
+    format_str(file, 120, "%s/%s_%i.wav", dir_name, name, i);
+
+    if (SDL_LoadWAV(file, &list[index].wav_spec,
+        &list[index].wav_buffer, &list[index].wav_length) != NULL) {
+        SDL_MixAudioFormat(list[index].wav_buffer, lock_sound, list[index].wav_spec.format, lock_sound_length, SDL_MIX_MAXVOLUME);
+        index++;
+    } else (*count)--;
+  }
+}
+
+void load_skin(cetris_ui *ui) {
+  char *dir_name = malloc(100);
+  format_str(dir_name, 100, "skins/%s", ui->config.skin_name);
+
+  struct stat sb;
+
+#ifdef _WIN32
+  if (!(stat(dir_name, &sb) == 0 && (sb.st_mode & S_IFDIR))) {
+#else
+  if (!(stat(dir_name, &sb) == 0 && S_ISDIR(sb.st_mode))) {
+#endif
+    dir_name = "skins/default";
+  }
+
+  ini_parser p;
+
+  char ini_path[100];
+  format_str(ini_path, 100, "%s/skin.ini", dir_name);
+
+  char name[120];
+  format_str(name, 120, "%s/lock.wav", dir_name);
+  SDL_LoadWAV(name, &ui->skin.lock_sound.wav_spec,
+      &ui->skin.lock_sound.wav_buffer, &ui->skin.lock_sound.wav_length);
+  lock_sound = ui->skin.lock_sound.wav_buffer;
+  lock_sound_length = ui->skin.lock_sound.wav_length;
+
+  if (load_ini_file(&p, ini_path)) {
+    char* random_clear = get_ini_value(&p, "sounds", "random_clear_sound");
+    if (random_clear && !strcmp(random_clear, "true")) {
+      ui->skin.random_audio = true;
+    } else ui->skin.random_audio = false;
+
+    format_str(name, 120, "%s/playboard.png", dir_name);
+    ui->skin.game_background = load_png(ui, name);
+    if (ui->skin.game_background != NULL) {
+      SDL_SetTextureAlphaMod(ui->skin.game_background, 120);
+      SDL_SetTextureBlendMode(ui->skin.game_background, SDL_BLENDMODE_BLEND);
+    }
+
+    format_str(name, 120, "%s/overlay_middle.png", dir_name);
+    ui->skin.overlay_middle = load_png(ui, name);
+    if (ui->skin.overlay_middle != NULL) {
+      SDL_SetTextureBlendMode(ui->skin.overlay_middle, SDL_BLENDMODE_BLEND);
+    }
+
+    format_str(name, 120, "%s/border.png", dir_name);
+    ui->skin.border = load_png(ui, name);
+    if (ui->skin.border != NULL) {
+      SDL_SetTextureBlendMode(ui->skin.border, SDL_BLENDMODE_BLEND);
+    }
+
+    format_str(name, 120, "%s/background.png", dir_name);
+    ui->skin.background = load_png(ui, name);
+    if (ui->skin.border != NULL) {
+      SDL_SetTextureBlendMode(ui->skin.background, SDL_BLENDMODE_BLEND);
+    }
+
+    format_str(name, 120, "%s/blocks.png", dir_name);
+    ui->skin.blocks = load_png(ui, name);
+    if (ui->skin.blocks != NULL) {
+      SDL_SetTextureBlendMode(ui->skin.blocks, SDL_BLENDMODE_BLEND);
+    }
+
+    char* clear_count = get_ini_value(&p, "sounds", "clear_sound_count");
+    if (clear_count) {
+      ui->skin.clear_sound_count = atoi(clear_count);
+      free(clear_count);
+    }
+
+    if (ui->skin.clear_sound_count > 0) {
+      ui->skin.clear_sound =
+        (audio_clip_t *)malloc(sizeof(audio_clip_t) * ui->skin.clear_sound_count);
+      load_multiple_audio("clear", dir_name,
+          &ui->skin.clear_sound_count, ui->skin.clear_sound);
+    }
+
+    char* tetris_count = get_ini_value(&p, "sounds", "four_clear_sound_count");
+    if (tetris_count) {
+      ui->skin.tetris_sound_count = atoi(tetris_count);
+      free(tetris_count);
+    }
+
+    if (ui->skin.tetris_sound_count > 0) {
+      ui->skin.tetris_sound =
+        (audio_clip_t *)malloc(sizeof(audio_clip_t) * ui->skin.tetris_sound_count);
+      load_multiple_audio("four_clear", dir_name,
+          &ui->skin.tetris_sound_count, ui->skin.tetris_sound);
+    }
+  }
+}
+
+void draw_text(cetris_ui *ui, char* string, int x, int y, TTF_Font* font, SDL_Color color) {
+  SDL_Surface *surface;
+  surface = TTF_RenderText_Solid(font, string, color);
+  if (!surface) return;
+
+  SDL_Rect message;
+  message.x = x;
+  message.y = y;
+  message.w = surface->w;
+  message.h = surface->h;
+  SDL_Texture* tex = SDL_CreateTextureFromSurface(ui->render, surface);
+
+  SDL_RenderCopy(ui->render, tex, NULL, &message);
+  SDL_DestroyTexture(tex);
+  SDL_FreeSurface(surface);
+}
+
+void draw_image(cetris_ui *ui, SDL_Texture *i, int x, int y, int width, int height) {
+  SDL_Rect dest = {x, y, width, height};
+  SDL_RenderCopy(ui->render, i, NULL, &dest);
+}
+
+void draw_block(cetris_ui *ui, int x, int y, int width, int height, int mino, int alpha, SDL_Color off) {
+  if (ui->skin.blocks) {
+    SDL_Rect b = {x, y, width, height};
+    SDL_Rect block = {(mino + 2) * 32, 0, 32, 32};
+    SDL_SetTextureAlphaMod(ui->skin.blocks, alpha);
+    SDL_RenderCopy(ui->render, ui->skin.blocks, &block, &b);
+  } else {
+    SDL_Rect b = {x + 1, y + 1, width - 1, height - 1};
+    SDL_Color c = mino_colors[mino];
+    SDL_SetRenderDrawColor(ui->render, c.r, c.g, c.b, alpha);
+    SDL_RenderFillRect(ui->render, &b);
+    SDL_RenderDrawRect(ui->render, &b);
+    SDL_SetRenderDrawColor(ui->render, off.r, off.g, off.b, off.a);
+    b.y--; b.x--; b.w+=2; b.h+=2;
+    SDL_RenderDrawRect(ui->render, &b);
+  }
+}
+
+void draw_board(cetris_ui *ui, SDL_Texture *m, game_board_t* board, int x, int y, int w, int h) {
+  SDL_SetRenderTarget(ui->render, m);
+  SDL_RenderClear(ui->render);
+
+  int y_offset = 10;
+
+  SDL_Rect background = {0, 0, w, h + y_offset};
+
+  if (ui->skin.game_background) {
+    SDL_RenderCopy(ui->render, ui->skin.game_background, NULL, &background);
+    if (board->count_down > 0) {
+        SDL_SetRenderDrawColor(ui->render,
+            board->scheme.off.r - (int)(fmod((double)board->count_down, (double)1.0) * 50),
+            board->scheme.off.g, board->scheme.off.b, 170);
+
+        SDL_RenderFillRect(ui->render, &background);
+        SDL_RenderDrawRect(ui->render, &background);
+    }
+  } else {
+    SDL_SetRenderDrawColor(ui->render,
+        board->scheme.off.r - (int)(fmod((double)board->count_down, (double)1.0) * 50),
+        board->scheme.off.g, board->scheme.off.b, board->scheme.off.a);
+
+    SDL_RenderFillRect(ui->render, &background);
+    SDL_RenderDrawRect(ui->render, &background);
+  }
+
+  SDL_SetRenderDrawColor(ui->render, board->scheme.main.r,
+      board->scheme.main.g, board->scheme.main.b, board->scheme.main.a);
+
+
+  int board_x = board->game.config.board_x;
+  int board_y = board->game.config.board_y;
+  int board_visible = board_y - board->game.config.board_visible;
+
+  int block_width = w / board->game.config.board_x;
+  int block_height = h / board->game.config.board_visible;
+
+  if (ui->skin.overlay_middle) {
+    for (int j = 0; j < board->game.config.board_visible + 1; j++) {
+      if (j == 0) {
+        SDL_Rect overlay = {0, y_offset - block_height, (block_width * 10), block_height};
+        //SDL_Rect cutoff = {0, block_height - y_offset, (block_width * 10), block_height};
+        SDL_RenderCopy(ui->render, ui->skin.overlay_middle, NULL, &overlay);
+      } else {
+        SDL_Rect overlay = {0, y_offset + ((j - 1) * block_height), (block_width * 10), block_height};
+        SDL_RenderCopy(ui->render, ui->skin.overlay_middle, NULL, &overlay);
+      }
+    }
+  } else {
+    for (int s = 0; s < board_x + 1; s++) {
+      int rx = (s * block_width);
+      SDL_RenderDrawLine(ui->render, rx, 1, rx, h + y_offset);
+    }
+
+    for (int j = 0; j < board->game.config.board_visible + 1; j++) {
+      int ry = y_offset + (j * block_height);
+      SDL_RenderDrawLine(ui->render, 0, ry, w, ry);
+    }
+  }
+
+  for (int s = board->game.highest_line; s < board_y; s++) {
+    for (int j = 0; j < board_x; j++) {
+      if (board->game.board[j][s] & CTRS_SLOT_OCCUPIED) {
+        if (board->game.line_remove_tick[s]) {
+          if (board->game.tick % 2 == 0) {
+            continue;
+          }
+        }
+
+        int block_x = (j * block_width);
+        int block_y = (y_offset + ((s - board_visible) * block_height));
+
+        draw_block(ui, block_x, block_y, block_width, block_height,
+            (board->game.board[j][s] >> 5), 255, board->scheme.off);
+      }
+    }
+  }
+
+  if (!board->game.game_over) {
+    for (int s = 0; s < 4; s++) {
+      for (int j = 0; j < 4; j++) {
+        if ((board->game.current.m[s]>>(3 - j))&1) {
+          int block_x = ((j + board->game.current.pos.x) * block_width);
+          int block_y = y_offset + ((s + board->game.current.pos.y) - board_visible) * block_height;
+
+          draw_block(ui, block_x, block_y, block_width, block_height,
+              board->game.current.t, 255, board->scheme.off);
+
+          int ghost_y = y_offset + ((s + board->game.current.ghost_y) - board_visible) * block_height;
+          if (ghost_y != block_y) {
+            draw_block(ui, block_x, ghost_y, block_width, block_height,
+                board->game.current.t, 120, board->scheme.off);
+          }
+        }
+      }
+    }
+  }
+
+  if (board->count_down > 0)
+    board->count_down-=(1.0f/FRAME_RATE);
+
+  SDL_SetRenderTarget(ui->render, NULL);
+
+  SDL_Rect dest = {x, y, w, h + y_offset};
+  SDL_RenderCopy(ui->render, m, NULL, &dest);
+
+  if (ui->skin.border) {
+    SDL_Rect border = {x - 110, y - 35, 380, 600};
+    SDL_RenderCopy(ui->render, ui->skin.border, NULL, &border);
+  }
+}
+
+void draw_held_piece(cetris_ui *ui, SDL_Texture *m, game_board_t* board, int x, int y, int w, int h) {
+  if (w < 8) return;
+  if (h < 8) return;
+
+  //SDL_SetRenderTarget(ui->render, m);
+  //SDL_RenderClear(ui->render);
+
+  int block_width = (w - 4) / 5;
+  int block_height = (h - 4) / 5;
+
+  // make sure blocks are square
+  if (block_width > block_height) {
+    block_width = block_height;
+  } else {
+    block_height = block_width;
+  }
+
+  SDL_SetRenderDrawColor(ui->render, board->scheme.off.r,
+      board->scheme.off.g, board->scheme.off.b, board->scheme.off.a);
+
+  //SDL_Rect hold = {0, 0, w, h};
+  //SDL_RenderFillRect(ui->render, &hold);
+  //SDL_RenderDrawRect(ui->render, &hold);
+
+  if (board->game.piece_held) {
+    for (int s = 0; s < 4; s++) {
+      for (int j = 0; j < 4; j++) {
+        if ((board->game.held.m[s]>>(3 - j))&1) {
+          int block_x = 2 + ((j) * block_width);
+          int block_y = (s * block_height);
+          if (board->game.held.t == MINO_I) {
+            block_x += (int)(block_width / 1.5f);
+            block_y += block_height;
+          } else {
+            block_x += block_width;
+            block_y += (int)(block_height);
+          }
+          if (board->game.held.t == MINO_O) {
+            block_x -= block_width / 2;
+          }
+
+          draw_block(ui, x + block_x, y + block_y, block_width, block_height,
+              board->game.held.t, 255, board->scheme.off);
+
+        }
+      }
+    }
+  }
+
+  //SDL_SetRenderTarget(ui->render, NULL);
+
+  //SDL_Rect dest = {x, y, w, h};
+  //SDL_RenderCopy(ui->render, m, NULL, &dest);
+}
+
+void draw_piece_queue(cetris_ui* ui, SDL_Texture *m, game_board_t* board, int x, int y, int w, int h) {
+  if (w < 8) return;
+  if (h < 32) return;
+
+  //SDL_SetRenderTarget(ui->render, m);
+
+  //SDL_RenderClear(ui->render);
+
+  int block_width = ((w - 4) / 4);
+  int block_height = ((h - 5) / 5) / 3;
+
+  // make sure blocks are square
+  if (block_width > block_height) {
+    block_width = block_height;
+  } else {
+    block_height = block_width;
+  }
+
+  //SDL_SetRenderDrawColor(ui->render, board->scheme.off.r,
+  //    board->scheme.off.g, board->scheme.off.b, board->scheme.off.a);
+
+  //SDL_Rect queue = {0, 0, w, h};
+  //SDL_RenderFillRect(ui->render, &queue);
+  //SDL_RenderDrawRect(ui->render, &queue);
+
+  for (int i = 0; i < 5; i++) {
+    int index = (board->game.current_index + i);
+
+    uint8_t mino;
+    if (index <= 6) {
+      mino = board->game.piece_queue[index];
+    } else {
+      index = index % 7;
+      mino = board->game.next_queue[index];
+    }
+
+    for (int s = 0; s < 4; s++) {
+      for (int j = 0; j < 4; j++) {
+        if ((ctrs_default_matrices[mino][s]>>(3 - j))&1) {
+          int block_x =  2 + ((j) * block_width);
+          int block_y = (int)(h * (i/5.0)) + (s * block_height);
+          if (mino == MINO_I) {
+            block_y += block_height / 2;
+          } else if (mino != MINO_O) {
+            block_x += block_width / 2;
+          }
+
+          draw_block(ui, x + block_x, y + block_y, block_width, block_height,
+              mino, 255, board->scheme.off);
+
+        }
+      }
+    }
+  }
+
+  //SDL_SetRenderTarget(ui->render, NULL);
+
+  //SDL_Rect dest = {x, y, w, h};
+  //SDL_RenderCopy(ui->render, m, NULL, &dest);
+
+}
+
+void draw_timer(cetris_ui *ui, game_board_t *board, int x, int y) {
+  char *buf = malloc(50);
+  long double second = board->game.timer / 1000000.0f;
+  if (second > 60.0f) {
+    int minute = (int)(second / 60.0f);
+    second -= (minute * 60.0f);
+    format_str(buf, 50, "%02d:%09.6Lf", minute, second);
+  } else {
+    format_str(buf, 50, "%.6Lf", second);
+  }
+  draw_text(ui, buf, x, y, get_font(ui, 25), board->scheme.text);
+
+  //format_str(buf, 50, "lines remaining: %i", 20 - g.lines);
+  //draw_text(buf, 20, H - 60, false);
+
+  free(buf);
+}
+
+void draw(cetris_ui* ui) {
+  SDL_SetRenderDrawColor(ui->render, ui->colors.main.r,
+      ui->colors.main.g, ui->colors.main.b, ui->colors.main.a);
+
+  SDL_RenderClear(ui->render);
+
+  if (ui->skin.background) {
+    int w, h;
+    SDL_QueryTexture(ui->skin.background, NULL, NULL, &w, &h);
+
+    int ratio = w / W;
+    SDL_Rect back = {0, 0, ratio * W, ratio * H};
+    SDL_RenderCopy(ui->render, ui->skin.background, &back, NULL);
+  }
+
+  switch (ui->current_game) {
+    case SOLO:
+      //draw_image(ui, ui->solo.background, 0, 0, W, H);
+      draw_board(ui, ui->solo.main, &ui->solo.game_board, (W / 2) - 125, (H / 2) - 250, 250, 500);
+      draw_held_piece(ui, ui->solo.hold, &ui->solo.game_board, (W / 2) - 230, (H / 2) - 250, 100, 100);
+      draw_piece_queue(ui, ui->solo.queue, &ui->solo.game_board, (W / 2) + 150, (H / 2) - 250, 100, 450);
+      draw_timer(ui, &ui->solo.game_board, 20, 20);
+      break;
+  }
+
+  SDL_RenderPresent(ui->render);
+}
+
+void load_config(cetris_ui *ui, game_board_t *board) {
+
+  ui->config.keys = (key_bindings_t){
+    .key_down = SDLK_DOWN,
+    .key_right = SDLK_RIGHT,
+    .key_left = SDLK_LEFT,
+    .key_rotate_cw = SDLK_UP,
+    .key_rotate_ccw = 'x',
+    .key_drop = SDLK_SPACE,
+    .key_hold = 'c',
+    .key_restart = 'r'
+  };
+
+  board->game.config = tetris_ds_config;
+  board->game.config.levels = &tetris_worlds_levels[0];
+  board->game.config.win_condition = twenty_line_sprint;
+  board->game.config.wait_on_clear = 0;
+
+  ini_parser p;
+  if (load_ini_file(&p, "config.ini")) {
+    char* das = get_ini_value(&p, "das", "das");
+    if (das) {
+      board->game.config.das_das = atoi(das);
+      free(das);
+    }
+
+    char* arr = get_ini_value(&p, "das", "arr");
+    if (arr) {
+      board->game.config.das_arr = atoi(arr);
+      free(arr);
+    }
+
+    char* drop_delay = get_ini_value(&p, "game", "drop_delay");
+    if (drop_delay) {
+      board->game.config.drop_period = atoi(drop_delay);
+      free(drop_delay);
+    }
+
+    char* next_piece_delay = get_ini_value(&p, "game", "next_piece_delay");
+    if (next_piece_delay) {
+      board->game.config.next_piece_delay = atoi(next_piece_delay);
+      free(next_piece_delay);
+    }
+
+    char* lock_delay = get_ini_value(&p, "game", "lock_delay");
+    if (lock_delay) {
+      board->game.config.lock_delay = atoi(lock_delay);
+      free(lock_delay);
+    }
+
+    char* force_lock = get_ini_value(&p, "game", "force_lock");
+    if (force_lock) {
+      board->game.config.force_lock = atoi(force_lock);
+      free(force_lock);
+    }
+
+    char* wait_on_clear = get_ini_value(&p, "game", "wait_on_clear");
+    if (wait_on_clear && !strcmp(wait_on_clear, "true")) {
+      board->game.config.wait_on_clear = true;
+      free(wait_on_clear);
+    } else board->game.config.wait_on_clear = false;
+
+    char* line_delay_clear = get_ini_value(&p, "game", "line_clear_delay");
+    if (line_delay_clear) {
+      board->game.config.line_delay_clear = atoi(line_delay_clear);
+      free(line_delay_clear);
+    }
+
+    char *dark = get_ini_value(&p, "ui", "dark_mode");
+    if (dark) {
+      if (!strcmp(dark, "true")) {
+        ui->colors = dark_mode;
+      }
+      free(dark);
+    } else {
+      ui->colors = light_mode;
+    }
+
+    char *skin = get_ini_value(&p, "ui", "skin");
+    if (skin) {
+      ui->config.skin_name = skin;
+    } else ui->config.skin_name = "default";
+  }
+}
+
+void load_solo(cetris_ui *ui) {
+  load_config(ui, &ui->solo.game_board);
+  ui->solo.game_board.scheme = ui->colors;
+
+  ui->solo.main = SDL_CreateTexture(ui->render, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, 251, 513);
+  ui->solo.queue = SDL_CreateTexture(ui->render, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, 100, 450);
+  ui->solo.hold = SDL_CreateTexture(ui->render, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, 100, 100);
+  SDL_SetTextureBlendMode(ui->solo.hold, SDL_BLENDMODE_BLEND);
+
+  ctrs_init_game(&ui->solo.game_board.game);
+  ui->solo.game_board.game.waiting = true;
+  ui->solo.game_board.count_down = 3;
+}
+
+void handle_key(SDL_Event e, cetris_ui *ui, game_board_t* board) {
+  int sym;
+  switch (e.type) {
+    case SDL_QUIT: exit(0);
+    case SDL_KEYDOWN:
+      sym = e.key.keysym.sym;
+      if (sym == ui->config.keys.key_left) {
+        ctrs_move_piece(&board->game, LEFT);
+      } else if (sym == ui->config.keys.key_right) {
+        ctrs_move_piece(&board->game, RIGHT);
+      } else if (sym == ui->config.keys.key_down) {
+        ctrs_move_piece(&board->game, DOWN);
+      } else if (sym == ui->config.keys.key_drop) {
+        ctrs_move_piece(&board->game, HARD_DROP);
+      } else if (sym == ui->config.keys.key_hold) {
+        ctrs_hold_piece(&board->game);
+      } else if (sym == ui->config.keys.key_rotate_cw) {
+        ctrs_move_piece(&board->game, ROTATE_CW);
+      } else if (sym == ui->config.keys.key_rotate_ccw) {
+        ctrs_move_piece(&board->game, ROTATE_CCW);
+      } else if (sym == ui->config.keys.key_restart) {
+        ctrs_init_game(&board->game);
+        board->game.waiting = true;
+        board->count_down = 3;
+      }
+      break;
+    case SDL_KEYUP:
+      sym = e.key.keysym.sym;
+      if (sym == ui->config.keys.key_left) {
+        ctrs_unhold_move(&board->game, LEFT);
+      } else if (sym == ui->config.keys.key_right) {
+        ctrs_unhold_move(&board->game, RIGHT);
+      } else if (sym == ui->config.keys.key_down) {
+        ctrs_unhold_move(&board->game, DOWN);
+      } else if (sym == ui->config.keys.key_drop) {
+        ctrs_unhold_move(&board->game, HARD_DROP);
+      } else if (sym == ui->config.keys.key_rotate_cw) {
+        ctrs_unhold_move(&board->game, ROTATE_CW);
+      } else if (sym == ui->config.keys.key_rotate_ccw) {
+        ctrs_unhold_move(&board->game, ROTATE_CCW);
+      }
+      break;
+  }
+}
+
+void handle_game_events(cetris_ui *ui, game_board_t *board) {
+  if (board->count_down < 0 && board->game.waiting) {
+    ctrs_start_game(&board->game);
+  }
+
+  if (board->game.events.tetris_event > 0) {
+    if (ui->skin.tetris_sound_count > 0) {
+      int index = rand() % ui->skin.tetris_sound_count;
+      SDL_QueueAudio(ui->audio_device, ui->skin.tetris_sound[index].wav_buffer,
+        ui->skin.tetris_sound[index].wav_length);
+    }
+
+    board->game.events.tetris_event--;
+    board->game.events.line_event = 0;
+    board->game.events.lock_event.processed = true;
+  }
+
+  if (board->game.events.line_event > 0) {
+    if (ui->skin.clear_sound_count > 0) {
+      int index;
+      if (ui->skin.random_audio) {
+        index = rand() % ui->skin.clear_sound_count;
+      } else {
+        index = board->game.line_combo - 1;
+      }
+      if (index >= ui->skin.clear_sound_count)
+        index = ui->skin.clear_sound_count - 1;
+
+      SDL_QueueAudio(ui->audio_device, ui->skin.clear_sound[index].wav_buffer,
+        ui->skin.clear_sound[index].wav_length);
+    }
+
+    board->game.events.line_event = 0;
+    board->game.events.lock_event.processed = true;
+  }
+
+  if (!board->game.events.lock_event.processed) {
+    if (ui->skin.lock_sound.wav_buffer) {
+      SDL_QueueAudio(ui->audio_device, ui->skin.lock_sound.wav_buffer,
+        ui->skin.lock_sound.wav_length);
+    }
+
+    board->game.events.lock_event.processed = true;
+  }
+}
+
+int main(void) {
+  cetris_ui ui;
+  memset(&ui, 0, sizeof(cetris_ui));
+
+  setup_sdl(&ui);
+  load_solo(&ui);
+  load_skin(&ui);
+  ui.current_game = SOLO;
+
+  SDL_Event e;
+  for(;;) {
+    while(SDL_PollEvent(&e)) {
+      switch (ui.current_game) {
+        case SOLO:
+          handle_key(e, &ui, &ui.solo.game_board);
+          break;
+      }
+    }
+
+    switch (ui.current_game) {
+      case SOLO:
+        handle_game_events(&ui, &ui.solo.game_board);
+        break;
+    }
+
+    draw(&ui);
+
+    SDL_Delay(1000 / FRAME_RATE);
+  }
+
+  return 0;
+}
diff --git a/frontends/sdl/cetris_sdl.h b/frontends/sdl/cetris_sdl.h
new file mode 100644
index 0000000..26e079e
--- /dev/null
+++ b/frontends/sdl/cetris_sdl.h
@@ -0,0 +1,112 @@
+typedef struct {
+  SDL_Color main;
+  SDL_Color off;
+  SDL_Color text;
+} color_scheme_t;
+
+color_scheme_t dark_mode = {
+  .main = {40, 40, 40, 255},
+  .off =  {90, 90, 90, 255},
+  .text = {240, 240, 240, 255}
+};
+
+color_scheme_t light_mode = {
+  .main = {255, 255, 255, 255},
+  .off =  {235, 235, 235, 255},
+  .text = {10, 10, 10, 255}
+};
+
+SDL_Color mino_colors[7] = {
+  {253,253,150,255},  // Yellow
+  {174,198,207,255},  // Aqua
+  {255,105,97,255},   // Red
+  {170,221,119,255},  // Olive
+  {255,179,71,255},   // Orange
+  {119,158,203,255},  // Navy
+  {177,156,217,255}   // Purple
+};
+
+typedef struct {
+  SDL_AudioSpec wav_spec;
+  uint32_t wav_length;
+  uint8_t *wav_buffer;
+} audio_clip_t;
+
+typedef struct {
+  TTF_Font *font;
+  int size;
+} font_t;
+
+typedef struct {
+  bool random_audio;
+
+  int clear_sound_count;
+  audio_clip_t *clear_sound;
+
+  int tetris_sound_count;
+  audio_clip_t *tetris_sound;
+  audio_clip_t lock_sound;
+
+  SDL_Texture *blocks;
+  SDL_Texture *game_background;
+  SDL_Texture *overlay_top;
+  SDL_Texture *overlay_middle;
+  SDL_Texture *overlay_bottom;
+
+  SDL_Texture *border;
+  SDL_Texture *background;
+
+} cetris_skin_t;
+
+typedef struct {
+  ctrs_game game;
+  color_scheme_t scheme;
+  float count_down;
+} game_board_t;
+
+typedef struct {
+  SDL_Texture *main;
+  SDL_Texture *queue;
+  SDL_Texture *hold;
+
+  game_board_t game_board;
+} solo_game_t;
+
+typedef struct {
+  int key_down;
+  int key_right;
+  int key_left;
+  int key_rotate_cw;
+  int key_rotate_ccw;
+  int key_drop;
+  int key_hold;
+  int key_restart;
+} key_bindings_t;
+
+typedef struct {
+  key_bindings_t keys;
+  char *skin_name;
+} config_t;
+
+enum {
+  SOLO
+};
+
+typedef struct {
+  int current_game;
+  solo_game_t solo;
+  color_scheme_t colors;
+
+  SDL_Renderer* render;
+  SDL_Window *window;
+  SDL_Surface *screen;
+
+  int font_count;
+  font_t fonts[10];
+
+  SDL_AudioDeviceID audio_device;
+
+  config_t config;
+
+  cetris_skin_t skin;
+} cetris_ui;
diff --git a/frontends/sdl/config.ini b/frontends/sdl/config.ini
new file mode 100644
index 0000000..5947b33
--- /dev/null
+++ b/frontends/sdl/config.ini
@@ -0,0 +1,15 @@
+[das]
+das = 220
+arr = 15
+
+[game]
+drop_delay = 20
+next_piece_delay = 40
+lock_delay = 300
+force_lock = 3000
+wait_on_clear = 0
+line_clear_delay = 0
+
+[ui]
+skin = puyo_arles_skin
+dark_mode = true
diff --git a/frontends/sdl/data.zip b/frontends/sdl/data.zip
new file mode 100644
index 0000000..a26e00b
--- /dev/null
+++ b/frontends/sdl/data.zip
diff --git a/frontends/sdl/meson.build b/frontends/sdl/meson.build
new file mode 100644
index 0000000..5760408
--- /dev/null
+++ b/frontends/sdl/meson.build
@@ -0,0 +1,14 @@
+src = ['cetris_sdl.c']
+
+inc = [cetris_inc]
+deps = []
+
+deps += compiler.find_library('m')
+deps += dependency('SDL2')
+deps += dependency('SDL2_ttf')
+deps += dependency('SDL2_image')
+
+executable('cetris', src,
+  dependencies: deps,
+  include_directories: inc,
+  install: false)