|
| 1 | +import time |
| 2 | +import random |
| 3 | + |
| 4 | +""" |
| 5 | +Columns -- falling columns game |
| 6 | +
|
| 7 | +Possible TODOs: |
| 8 | +
|
| 9 | +should blink explosions |
| 10 | +explodes while moving? |
| 11 | +/ in bottom left part may not explode |
| 12 | +
|
| 13 | +smooth moving? |
| 14 | +music? |
| 15 | +some kind of game over? |
| 16 | +
|
| 17 | +more contrast colors? |
| 18 | +different shapes? |
| 19 | +
|
| 20 | +""" |
| 21 | + |
| 22 | +from mpos import Activity |
| 23 | + |
| 24 | +try: |
| 25 | + import lvgl as lv |
| 26 | +except ImportError: |
| 27 | + pass |
| 28 | + |
| 29 | +class Main(Activity): |
| 30 | + |
| 31 | + COLS = 6 |
| 32 | + ROWS = 12 |
| 33 | + |
| 34 | + COLORS = [ |
| 35 | + 0xE74C3C, # red |
| 36 | + 0xF1C40F, # yellow |
| 37 | + 0x2ECC71, # green |
| 38 | + 0x3498DB, # blue |
| 39 | + 0x9B59B6, # purple |
| 40 | + ] |
| 41 | + |
| 42 | + EMPTY = -1 |
| 43 | + |
| 44 | + FALL_INTERVAL = 1000 # ms |
| 45 | + # I can do 120 in this config :-). |
| 46 | + |
| 47 | + def __init__(self): |
| 48 | + super().__init__() |
| 49 | + self.board = [[self.EMPTY for _ in range(self.COLS)] for _ in range(self.ROWS)] |
| 50 | + self.cells = [] |
| 51 | + |
| 52 | + self.active_col = self.COLS // 2 |
| 53 | + self.active_row = -3 |
| 54 | + self.active_colors = [] |
| 55 | + |
| 56 | + self.timer = None |
| 57 | + self.animating = False |
| 58 | + |
| 59 | + # --------------------------------------------------------------------- |
| 60 | + |
| 61 | + def onCreate(self): |
| 62 | + self.screen = lv.obj() |
| 63 | + self.screen.remove_flag(lv.obj.FLAG.SCROLLABLE) |
| 64 | + |
| 65 | + vert = 60 |
| 66 | + horiz = 60 |
| 67 | + font = lv.font_montserrat_20 |
| 68 | + |
| 69 | + score = lv.label(self.screen) |
| 70 | + score.align(lv.ALIGN.TOP_LEFT, 5, 25) |
| 71 | + score.set_text("Score") |
| 72 | + score.set_style_text_font(font, 0) |
| 73 | + self.lb_score = score |
| 74 | + |
| 75 | + btn_left = lv.button(self.screen) |
| 76 | + btn_left.set_size(horiz, vert) |
| 77 | + btn_left.align(lv.ALIGN.BOTTOM_LEFT, 5, -10-vert) |
| 78 | + btn_left.add_event_cb(lambda e: self.move(-1), lv.EVENT.CLICKED, None) |
| 79 | + lc = lv.label(btn_left) |
| 80 | + lc.set_style_text_font(font, 0) |
| 81 | + lc.set_text("<") |
| 82 | + lc.center() |
| 83 | + |
| 84 | + btn_right = lv.button(self.screen) |
| 85 | + btn_right.set_size(horiz, vert) |
| 86 | + btn_right.align(lv.ALIGN.BOTTOM_RIGHT, -5, -10-vert) |
| 87 | + btn_right.add_event_cb(lambda e: self.move(1), lv.EVENT.CLICKED, None) |
| 88 | + lc = lv.label(btn_right) |
| 89 | + lc.set_style_text_font(font, 0) |
| 90 | + lc.set_text(">") |
| 91 | + lc.center() |
| 92 | + |
| 93 | + btn_rotate = lv.button(self.screen) |
| 94 | + btn_rotate.set_size(horiz, vert) |
| 95 | + btn_rotate.align(lv.ALIGN.BOTTOM_RIGHT, -5, -15-vert-vert) |
| 96 | + btn_rotate.add_event_cb(lambda e: self.rotate(), lv.EVENT.CLICKED, None) |
| 97 | + lc = lv.label(btn_rotate) |
| 98 | + lc.set_style_text_font(font, 0) |
| 99 | + lc.set_text("R") |
| 100 | + lc.center() |
| 101 | + |
| 102 | + btn_down = lv.button(self.screen) |
| 103 | + btn_down.set_size(horiz, vert) |
| 104 | + btn_down.align(lv.ALIGN.BOTTOM_LEFT, 5, -5) |
| 105 | + btn_down.add_event_cb(lambda e: self.tick(0), lv.EVENT.CLICKED, None) |
| 106 | + lc = lv.label(btn_down) |
| 107 | + lc.set_style_text_font(font, 0) |
| 108 | + lc.set_text("v") |
| 109 | + lc.center() |
| 110 | + |
| 111 | + d = lv.display_get_default() |
| 112 | + self.SCREEN_WIDTH = d.get_horizontal_resolution() |
| 113 | + self.SCREEN_HEIGHT = d.get_vertical_resolution() |
| 114 | + |
| 115 | + self.CELL = min( |
| 116 | + self.SCREEN_WIDTH // (self.COLS + 1), |
| 117 | + self.SCREEN_HEIGHT // (self.ROWS + 1) |
| 118 | + ) |
| 119 | + |
| 120 | + board_x = (self.SCREEN_WIDTH - self.CELL * self.COLS) // 2 |
| 121 | + board_y = (self.SCREEN_HEIGHT - self.CELL * self.ROWS) // 2 |
| 122 | + |
| 123 | + for r in range(self.ROWS): |
| 124 | + row = [] |
| 125 | + for c in range(self.COLS): |
| 126 | + o = lv.obj(self.screen) |
| 127 | + o.set_size(self.CELL - 2, self.CELL - 2) |
| 128 | + o.set_pos( |
| 129 | + board_x + c * self.CELL + 1, |
| 130 | + board_y + r * self.CELL + 1 |
| 131 | + ) |
| 132 | + o.set_style_radius(4, 0) |
| 133 | + o.set_style_bg_color(lv.color_hex(0x1C2833), 0) |
| 134 | + o.set_style_border_width(1, 0) |
| 135 | + row.append(o) |
| 136 | + self.cells.append(row) |
| 137 | + |
| 138 | + # Make screen focusable for keyboard input |
| 139 | + focusgroup = lv.group_get_default() |
| 140 | + if focusgroup: |
| 141 | + focusgroup.add_obj(self.screen) |
| 142 | + |
| 143 | + #self.screen.add_event_cb(self.on_touch, lv.EVENT.CLICKED, None) |
| 144 | + self.screen.add_event_cb(self.on_key, lv.EVENT.KEY, None) |
| 145 | + |
| 146 | + self.setContentView(self.screen) |
| 147 | + |
| 148 | + self.new_game() |
| 149 | + self.spawn_piece() |
| 150 | + |
| 151 | + |
| 152 | + def new_game(self): |
| 153 | + self.score = 0 |
| 154 | + # --------------------------------------------------------------------- |
| 155 | + |
| 156 | + def onResume(self, screen): |
| 157 | + self.timer = lv.timer_create(self.tick, self.FALL_INTERVAL, None) |
| 158 | + |
| 159 | + def onPause(self, screen): |
| 160 | + if self.timer: |
| 161 | + self.timer.delete() |
| 162 | + self.timer = None |
| 163 | + |
| 164 | + # --------------------------------------------------------------------- |
| 165 | + |
| 166 | + def spawn_piece(self): |
| 167 | + self.active_col = self.COLS // 2 |
| 168 | + self.active_row = -3 |
| 169 | + self.active_colors = [random.randrange(len(self.COLORS)) for _ in range(3)] |
| 170 | + |
| 171 | + def tick(self, t): |
| 172 | + if self.can_fall(): |
| 173 | + self.active_row += 1 |
| 174 | + else: |
| 175 | + self.lock_piece() |
| 176 | + self.clear_matches() |
| 177 | + self.spawn_piece() |
| 178 | + |
| 179 | + self.redraw() |
| 180 | + |
| 181 | + # --------------------------------------------------------------------- |
| 182 | + |
| 183 | + def can_fall(self): |
| 184 | + for i in range(3): |
| 185 | + r = self.active_row + i + 1 |
| 186 | + c = self.active_col |
| 187 | + if r >= self.ROWS: |
| 188 | + return False |
| 189 | + if r >= 0 and self.board[r][c] != self.EMPTY: |
| 190 | + return False |
| 191 | + return True |
| 192 | + |
| 193 | + def lock_piece(self): |
| 194 | + for i in range(3): |
| 195 | + r = self.active_row + i |
| 196 | + if r >= 0: |
| 197 | + self.board[r][self.active_col] = self.active_colors[i] |
| 198 | + |
| 199 | + # --------------------------------------------------------------------- |
| 200 | + |
| 201 | + def clear_matches(self): |
| 202 | + to_clear = set() |
| 203 | + score = 0 |
| 204 | + |
| 205 | + for r in range(self.ROWS): |
| 206 | + for c in range(self.COLS): |
| 207 | + color = self.board[r][c] |
| 208 | + if color == self.EMPTY: |
| 209 | + continue |
| 210 | + |
| 211 | + # horizontal |
| 212 | + if c <= self.COLS - 3: |
| 213 | + if all(self.board[r][c + i] == color for i in range(3)): |
| 214 | + for i in range(3): |
| 215 | + to_clear.add((r, c + i)) |
| 216 | + score += 1 |
| 217 | + |
| 218 | + # vertical |
| 219 | + if r <= self.ROWS - 3: |
| 220 | + if all(self.board[r + i][c] == color for i in range(3)): |
| 221 | + for i in range(3): |
| 222 | + to_clear.add((r + i, c)) |
| 223 | + score += 1 |
| 224 | + |
| 225 | + # diagonal \ |
| 226 | + if r <= self.ROWS - 3 and c <= self.COLS - 3: |
| 227 | + if all(self.board[r + i][c + i] == color for i in range(3)): |
| 228 | + for i in range(3): |
| 229 | + to_clear.add((r + i, c + i)) |
| 230 | + score += 1 |
| 231 | + |
| 232 | + # diagonal / |
| 233 | + if r <= self.ROWS - 3 and c > 2: |
| 234 | + if all(self.board[r + i][c - i] == color for i in range(3)): |
| 235 | + for i in range(3): |
| 236 | + to_clear.add((r + i, c - i)) |
| 237 | + score += 1 |
| 238 | + |
| 239 | + if not to_clear: |
| 240 | + return |
| 241 | + |
| 242 | + print("Score: ", score) |
| 243 | + self.score += score |
| 244 | + self.lb_score.set_text("Score\n%d" % self.score) |
| 245 | + for r, c in to_clear: |
| 246 | + self.board[r][c] = self.EMPTY |
| 247 | + |
| 248 | + self.redraw() |
| 249 | + time.sleep(.5) |
| 250 | + self.apply_gravity() |
| 251 | + self.redraw() |
| 252 | + time.sleep(.5) |
| 253 | + self.clear_matches() |
| 254 | + self.redraw() |
| 255 | + |
| 256 | + def apply_gravity(self): |
| 257 | + for c in range(self.COLS): |
| 258 | + stack = [self.board[r][c] for r in range(self.ROWS) if self.board[r][c] != self.EMPTY] |
| 259 | + for r in range(self.ROWS): |
| 260 | + self.board[r][c] = self.EMPTY |
| 261 | + for i, v in enumerate(reversed(stack)): |
| 262 | + self.board[self.ROWS - 1 - i][c] = v |
| 263 | + |
| 264 | + # --------------------------------------------------------------------- |
| 265 | + |
| 266 | + def redraw(self): |
| 267 | + # draw board |
| 268 | + for r in range(self.ROWS): |
| 269 | + for c in range(self.COLS): |
| 270 | + v = self.board[r][c] |
| 271 | + if v == self.EMPTY: |
| 272 | + self.cells[r][c].set_style_bg_color(lv.color_hex(0x1C2833), 0) |
| 273 | + else: |
| 274 | + self.cells[r][c].set_style_bg_color( |
| 275 | + lv.color_hex(self.COLORS[v]), 0 |
| 276 | + ) |
| 277 | + |
| 278 | + # draw active piece |
| 279 | + for i in range(3): |
| 280 | + r = self.active_row + i |
| 281 | + if r >= 0 and r < self.ROWS: |
| 282 | + self.cells[r][self.active_col].set_style_bg_color( |
| 283 | + lv.color_hex(self.COLORS[self.active_colors[i]]), 0 |
| 284 | + ) |
| 285 | + |
| 286 | + # --------------------------------------------------------------------- |
| 287 | + |
| 288 | + def on_touch(self, e): |
| 289 | + return |
| 290 | + print("Touch event") |
| 291 | + p = lv.indev_get_act().get_point() |
| 292 | + x = p.x |
| 293 | + |
| 294 | + if x < self.SCREEN_WIDTH // 3: |
| 295 | + self.move(-1) |
| 296 | + elif x > self.SCREEN_WIDTH * 2 // 3: |
| 297 | + self.move(1) |
| 298 | + else: |
| 299 | + self.rotate() |
| 300 | + |
| 301 | + def on_key(self, event): |
| 302 | + """Handle keyboard input""" |
| 303 | + print("Keyboard event") |
| 304 | + key = event.get_key() |
| 305 | + if key == ord("a"): |
| 306 | + self.move(-1) |
| 307 | + return |
| 308 | + if key == ord("w"): |
| 309 | + self.rotate() |
| 310 | + return |
| 311 | + if key == ord("d"): |
| 312 | + self.move(1) |
| 313 | + return |
| 314 | + if key == ord("s"): |
| 315 | + self.tick(0) |
| 316 | + return |
| 317 | + |
| 318 | + #if key == lv.KEY.ENTER or key == lv.KEY.UP or key == ord("A") or key == ord("a"): |
| 319 | + print(f"on_key: unhandled key {key}") |
| 320 | + |
| 321 | + def move(self, dx): |
| 322 | + nc = self.active_col + dx |
| 323 | + if not(0 <= nc < self.COLS): |
| 324 | + return |
| 325 | + |
| 326 | + for i in range(3): |
| 327 | + r = self.active_row + i |
| 328 | + if self.board[r][nc] != self.EMPTY: |
| 329 | + return |
| 330 | + |
| 331 | + self.active_col = nc |
| 332 | + self.redraw() |
| 333 | + |
| 334 | + def rotate(self): |
| 335 | + self.active_colors = self.active_colors[-1:] + self.active_colors[:-1] |
| 336 | + self.redraw() |
| 337 | + |
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