|
| 1 | +import time |
| 2 | +import random |
| 3 | + |
| 4 | +""" |
| 5 | +Flood-It game |
| 6 | +
|
| 7 | +Fill the entire board with a single color |
| 8 | +using the smallest number of moves. |
| 9 | +
|
| 10 | +Touch a color button to flood the region |
| 11 | +starting from the top-left corner. |
| 12 | +""" |
| 13 | + |
| 14 | +from mpos import Activity |
| 15 | + |
| 16 | +try: |
| 17 | + import lvgl as lv |
| 18 | +except ImportError: |
| 19 | + pass |
| 20 | + |
| 21 | + |
| 22 | +class Main(Activity): |
| 23 | + |
| 24 | + COLS = 10 |
| 25 | + ROWS = 10 |
| 26 | + |
| 27 | + COLORS = [ |
| 28 | + 0xE74C3C, # red |
| 29 | + 0xF1C40F, # yellow |
| 30 | + 0x2ECC71, # green |
| 31 | + 0x3498DB, # blue |
| 32 | + 0x9B59B6, # purple |
| 33 | + 0xE67E22, # orange |
| 34 | + ] |
| 35 | + |
| 36 | + def __init__(self): |
| 37 | + super().__init__() |
| 38 | + |
| 39 | + self.board = [] |
| 40 | + self.cells = [] |
| 41 | + |
| 42 | + self.moves = 0 |
| 43 | + |
| 44 | + # --------------------------------------------------------------------- |
| 45 | + |
| 46 | + def onCreate(self): |
| 47 | + |
| 48 | + self.screen = lv.obj() |
| 49 | + self.screen.remove_flag(lv.obj.FLAG.SCROLLABLE) |
| 50 | + |
| 51 | + font = lv.font_montserrat_20 |
| 52 | + |
| 53 | + score = lv.label(self.screen) |
| 54 | + score.align(lv.ALIGN.TOP_LEFT, 5, 25) |
| 55 | + score.set_text("Moves") |
| 56 | + score.set_style_text_font(font, 0) |
| 57 | + self.lb_score = score |
| 58 | + |
| 59 | + d = lv.display_get_default() |
| 60 | + self.SCREEN_WIDTH = d.get_horizontal_resolution() |
| 61 | + self.SCREEN_HEIGHT = d.get_vertical_resolution() |
| 62 | + |
| 63 | + # color buttons |
| 64 | + btn_size = 45 |
| 65 | + spacing = 5 |
| 66 | + |
| 67 | + self.CELL = min( |
| 68 | + self.SCREEN_WIDTH // (self.COLS + 2), |
| 69 | + (self.SCREEN_HEIGHT - btn_size) // (self.ROWS + 3) |
| 70 | + ) |
| 71 | + |
| 72 | + board_x = (self.SCREEN_WIDTH - self.CELL * self.COLS) // 2 |
| 73 | + board_y = (self.SCREEN_HEIGHT - self.CELL * self.ROWS) // 2 |
| 74 | + |
| 75 | + for r in range(self.ROWS): |
| 76 | + row = [] |
| 77 | + for c in range(self.COLS): |
| 78 | + |
| 79 | + o = lv.obj(self.screen) |
| 80 | + o.set_size(self.CELL - 2, self.CELL - 2) |
| 81 | + |
| 82 | + o.set_pos( |
| 83 | + board_x + c * self.CELL + 1, |
| 84 | + board_y + r * self.CELL + 1 - btn_size // 2 |
| 85 | + ) |
| 86 | + |
| 87 | + o.set_style_radius(4, 0) |
| 88 | + o.set_style_border_width(1, 0) |
| 89 | + |
| 90 | + row.append(o) |
| 91 | + |
| 92 | + self.cells.append(row) |
| 93 | + |
| 94 | + |
| 95 | + for i, col in enumerate(self.COLORS): |
| 96 | + |
| 97 | + btn = lv.button(self.screen) |
| 98 | + btn.set_size(btn_size, btn_size) |
| 99 | + |
| 100 | + btn.align( |
| 101 | + lv.ALIGN.BOTTOM_LEFT, |
| 102 | + 5 + i * (btn_size + spacing), |
| 103 | + -5 |
| 104 | + ) |
| 105 | + |
| 106 | + btn.set_style_bg_color(lv.color_hex(col), 0) |
| 107 | + |
| 108 | + btn.add_event_cb( |
| 109 | + lambda e, c=i: self.pick_color(c), |
| 110 | + lv.EVENT.CLICKED, |
| 111 | + None |
| 112 | + ) |
| 113 | + |
| 114 | + focusgroup = lv.group_get_default() |
| 115 | + if focusgroup: |
| 116 | + focusgroup.add_obj(self.screen) |
| 117 | + |
| 118 | + self.setContentView(self.screen) |
| 119 | + |
| 120 | + self.new_game() |
| 121 | + |
| 122 | + # --------------------------------------------------------------------- |
| 123 | + |
| 124 | + def new_game(self): |
| 125 | + |
| 126 | + self.moves = 0 |
| 127 | + self.lb_score.set_text("Moves\n0") |
| 128 | + |
| 129 | + self.board = [ |
| 130 | + [random.randrange(len(self.COLORS)) for _ in range(self.COLS)] |
| 131 | + for _ in range(self.ROWS) |
| 132 | + ] |
| 133 | + |
| 134 | + self.redraw() |
| 135 | + |
| 136 | + # --------------------------------------------------------------------- |
| 137 | + |
| 138 | + def pick_color(self, color): |
| 139 | + |
| 140 | + start_color = self.board[0][0] |
| 141 | + |
| 142 | + if start_color == color: |
| 143 | + return |
| 144 | + |
| 145 | + self.flood_fill(start_color, color) |
| 146 | + |
| 147 | + self.moves += 1 |
| 148 | + self.lb_score.set_text("Moves\n%d" % self.moves) |
| 149 | + |
| 150 | + self.redraw() |
| 151 | + |
| 152 | + if self.check_win(): |
| 153 | + self.win() |
| 154 | + |
| 155 | + # --------------------------------------------------------------------- |
| 156 | + |
| 157 | + def flood_fill(self, old, new): |
| 158 | + |
| 159 | + stack = [(0, 0)] |
| 160 | + |
| 161 | + while stack: |
| 162 | + |
| 163 | + r, c = stack.pop() |
| 164 | + |
| 165 | + if not (0 <= r < self.ROWS and 0 <= c < self.COLS): |
| 166 | + continue |
| 167 | + |
| 168 | + if self.board[r][c] != old: |
| 169 | + continue |
| 170 | + |
| 171 | + self.board[r][c] = new |
| 172 | + |
| 173 | + stack.append((r + 1, c)) |
| 174 | + stack.append((r - 1, c)) |
| 175 | + stack.append((r, c + 1)) |
| 176 | + stack.append((r, c - 1)) |
| 177 | + |
| 178 | + # --------------------------------------------------------------------- |
| 179 | + |
| 180 | + def check_win(self): |
| 181 | + |
| 182 | + color = self.board[0][0] |
| 183 | + |
| 184 | + for r in range(self.ROWS): |
| 185 | + for c in range(self.COLS): |
| 186 | + if self.board[r][c] != color: |
| 187 | + return False |
| 188 | + |
| 189 | + return True |
| 190 | + |
| 191 | + # --------------------------------------------------------------------- |
| 192 | + |
| 193 | + def win(self): |
| 194 | + |
| 195 | + label = lv.label(self.screen) |
| 196 | + label.set_text("Finished in %d moves!" % self.moves) |
| 197 | + label.center() |
| 198 | + |
| 199 | + # --------------------------------------------------------------------- |
| 200 | + |
| 201 | + def redraw(self): |
| 202 | + |
| 203 | + for r in range(self.ROWS): |
| 204 | + for c in range(self.COLS): |
| 205 | + |
| 206 | + v = self.board[r][c] |
| 207 | + |
| 208 | + self.cells[r][c].set_style_bg_color( |
| 209 | + lv.color_hex(self.COLORS[v]), 0 |
| 210 | + ) |
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