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greed.py
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greed.py
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# Greed game in Python
# Note: uses 3rd-party library readchar
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from dataclasses import dataclass
import os
import readchar
import random
@dataclass
class GameState:
HEIGHT: int
WIDTH: int
CELLS: int
arr: list
curr: list
score: int = 0
DIRS = [(-1, -1), (-1, 0), (-1, 1),
(0, -1), (0, 1), (1, -1), (1, 0), (1, 1)]
def percentage(gs: GameState) -> str:
return f'{gs.score * 100 / gs.CELLS:0.2f}%'
def init(h: int, w: int) -> GameState:
curr = [random.randrange(h), random.randrange(w)]
arr = []
for _ in range(h):
arr.append([random.randrange(1, 10) for _ in range(w)])
arr[curr[0]][curr[1]] = 0
return GameState(h, w, h * w, arr, curr)
def disp(gs: GameState, hl: dict, palette: list, cls: str) -> None:
line = ''
for i in range(gs.HEIGHT):
for j in range(gs.WIDTH):
if i == gs.curr[0] and j == gs.curr[1]:
line += '@'
elif gs.arr[i][j] == 0:
line += ' '
elif is_in_highlight(hl, (i, j)):
line += f'{ansi_color(palette[0])}{gs.arr[i][j]}{ansi_color(0)}'
else:
line += f'{ansi_color(palette[gs.arr[i][j]])}{gs.arr[i][j]}{ansi_color(0)}'
line += '\n'
os.system(cls)
print(f'{line}{ansi_color(0)}')
def is_in_highlight(hl: dict, coord: tuple) -> bool:
for i in hl:
if coord in hl[i]:
return True
else:
return False
def ansi_color(code):
return f'\u001b[{code}m'
def get_moves(gs: GameState) -> dict:
highlight = {}
for i in range(len(DIRS)):
check_coord = (gs.curr[0] + DIRS[i][0], gs.curr[1] + DIRS[i][1])
if not is_in_grid(gs, check_coord):
continue
dir_cells = []
num_beside = gs.arr[check_coord[0]][check_coord[1]]
for j in range(num_beside):
if not is_in_grid(gs, check_coord) or gs.arr[check_coord[0]][check_coord[1]] == 0:
break
dir_cells.insert(0, check_coord)
check_coord = (check_coord[0] + DIRS[i][0], check_coord[1] + DIRS[i][1])
else:
if num_beside > 0:
highlight[i] = dir_cells
return highlight
def is_in_grid(gs: GameState, coord: tuple) -> bool:
return 0 <= coord[0] and coord[0] < gs.HEIGHT and 0 <= coord[1] and coord[1] < gs.WIDTH
def update(gs: GameState, hl: dict, upd_dir: int) -> None:
clear_coords = hl[upd_dir]
for i in clear_coords:
gs.arr[i[0]][i[1]] = 0
gs.curr[0] = clear_coords[0][0]
gs.curr[1] = clear_coords[0][1]
gs.score += len(clear_coords)
def exit_game() -> None:
print() # have last new line before exit
exit()
def main() -> None:
HEIGHT = 22
WIDTH = 79
PALETTE = ['90;47', '33', '31', '32', '34', '35', '93', '91', '92', '96']
CONTROL = ['q', 'w', 'e', 'a', 'd', 'z', 'x', 'c']
QUITKEY = ' '
if os.name == 'nt':
CLEAR_SCREEN = 'cls'
else:
CLEAR_SCREEN = 'clear'
gs = init(HEIGHT, WIDTH)
while True:
hl = get_moves(gs)
disp(gs, hl, PALETTE, CLEAR_SCREEN)
print(f'Score: {gs.score} Percentage: {percentage(gs)}', end=' ', flush=True)
if len(hl) == 0:
print(' Game over! Press any key to quit.', end=' ', flush=True)
readchar.readkey()
break
chosen_dir = 0
while True:
key = readchar.readkey()
if key == QUITKEY:
exit_game()
try:
chosen_dir = CONTROL.index(key)
except ValueError:
continue
if chosen_dir in hl:
break
update(gs, hl, chosen_dir)
exit_game()
if __name__ == '__main__':
main()