def __init__(self, stdscr, start_pos, dimensions):
# Very clean and totally maintainable code
height, width = dimensions
start_y, start_x = start_pos
self.win = curses.newwin(height, width, start_y, start_x)
self.win.box()
stdscr.refresh()
self.win.refresh()
self.dim = [height, width]
self.start_pos = [start_y, start_x]
self.status = GameStatus()
self.shapes = [
[[1, 1, 1], [0, 0, 1]],
[[0, 1], [1, 1], [0, 1]],
[[1, 1], [1, 1]],
[[0, 0, 1], [1, 1, 1]],
[[1, 1, 1, 1]],
[[1, 1, 0], [0, 1, 1]]
]
self.active_block = self.spawn_block()
self.heap = Heap(1, 1, height - 2, width - 2)
self.draw()
class Board(object):
"""
The game board. The central object which controls spawning
and movement of blocks as well as the heap of block remnants.
"""
def __init__(self, stdscr, start_pos, dimensions):
# Very clean and totally maintainable code
height, width = dimensions
start_y, start_x = start_pos
self.win = curses.newwin(height, width, start_y, start_x)
self.win.box()
stdscr.refresh()
self.win.refresh()
self.dim = [height, width]
self.start_pos = [start_y, start_x]
self.status = GameStatus()
self.shapes = [
[[1, 1, 1], [0, 0, 1]],
[[0, 1], [1, 1], [0, 1]],
[[1, 1], [1, 1]],
[[0, 0, 1], [1, 1, 1]],
[[1, 1, 1, 1]],
[[1, 1, 0], [0, 1, 1]]
]
self.active_block = self.spawn_block()
self.heap = Heap(1, 1, height - 2, width - 2)
self.draw()
def random_shape(self):
"""Pick a shape from the presets at random."""
shape_index = randint(0, len(self.shapes) - 1)
return self.shapes[shape_index]
def spawn_block(self):
"""Create and return a new bock with random shape."""
spawn_y = self.start_pos[0] + 1
spawn_x = self.start_pos[1] + (self.dim[1] / 2)
block = Block(self.random_shape(), random_color(), spawn_y, spawn_x)
return block
def out_of_bounds(self, coord_y, coord_x):
"""Check if the given location is outside the game board"""
min_y = self.start_pos[0]
max_y = self.start_pos[0] + self.dim[0] - 1
min_x = self.start_pos[1]
max_x = self.start_pos[1] + self.dim[1] - 1
return coord_y <= min_y or coord_y >= max_y \
or coord_x <= min_x or coord_x >= max_x
def block_movable(self, coord_y, coord_x):
"""
Return if the active block can be safely moved into
the specified location.
"""
for new_y, new_x in self.active_block.gen_coords(coord_y, coord_x):
if self.out_of_bounds(new_y, new_x):
return False
# Blue 'ghost' block moves through the heap
if self.active_block.color != 3 \
and self.heap.collision(new_y, new_x):
return False
return True
def update_game_status(self):
"""Increase the score and check if the game should end."""
self.status.add_score(self.heap.get_removed())
coord_y, coord_x = self.active_block.position
if not self.block_movable(coord_y + 1, coord_x):
self.status.over = True
def advance_block(self):
"""
Move the active block block one square down. If the block cannot be
moved, it is added to the heap and a new block is spawned. The function
returns True if the block was moved, False otherwise.
"""
coord_y, coord_x = self.active_block.position
if self.block_movable(coord_y + 1, coord_x):
self.active_block.set_position(coord_y + 1, coord_x)
return True
self.heap.add(self.active_block)
self.active_block = self.spawn_block()
self.update_game_status()
return False
def lshift_block(self):
"""Move the active block on square to the left, if possible."""
coord_y, coord_x = self.active_block.position
if self.block_movable(coord_y, coord_x - 1):
self.active_block.set_position(coord_y, coord_x - 1)
def rshift_block(self):
"""Move the active block on square to the right, if possible."""
coord_y, coord_x = self.active_block.position
if self.block_movable(coord_y, coord_x + 1):
self.active_block.set_position(coord_y, coord_x + 1)
def land_block(self):
"""Move the active block all the way down."""
while self.advance_block():
pass # wat
def rotate_block(self):
"""Rotate the active block 90 degrees right"""
coord_y, coord_x = self.active_block.position
rotation = self.active_block.gen_rotation()
for new_y, new_x in \
self.active_block.gen_coords(coord_y, coord_x, shape=rotation):
if self.out_of_bounds(new_y, new_x) or \
(self.active_block.color != 3 and \
self.heap.collision(new_y, new_x)):
return
self.active_block.rotate(rot=rotation)
def draw_active_block(self):
"""Draw the active block on the curses display."""
color = self.active_block.color
for coord_y, coord_x in self.active_block.coords():
curses_draw_spot(self.win, coord_y, coord_x, color)
def draw_heap(self):
"""Draw the block remnant heap on the curses display."""
for coord_y, coord_x, color in self.heap.contents():
curses_draw_spot(self.win, coord_y, coord_x, color)
def draw(self):
"""Draw all the game elements and refresh the curses window."""
self.draw_heap()
self.draw_active_block()
self.win.refresh()
def game_over(self):
"""Return the game status, True if game should end, False otherwise."""
return self.status.over
def game_speed(self):
"""Return the game step time in ms"""
return self.status.game_speed()
