def valid_placement(board, block, surface_coords):
width, height = len(block.value[0]), len(block.value)
results = []
#need to consider multiple positions to left
for rotation_index in range(4):
for offset_x in range(width)[::-1]:
test_block = Block.copy_block(block)
test_block.rotate_to(rotation_index)
test_block.x = surface_coords[0] - offset_x
test_block.y = surface_coords[1] - height
#True if any of the blocks are above starting_row
above_starting_row = any([y < 0 for x, y in test_block.get_coords()])
#sometimes blocks will be above
while above_starting_row:
test_block.y += 1
above_starting_row = any([y < 0 for x, y in test_block.get_coords()])
coords = valid_placement_helper(board, test_block)
if coords:
results.append(test_block)
return results
def drop_helper(board, block):
if block == None:
return False
#we first test to see if there will be a collision if block moves down
test_block = Block.copy_block(block)
test_block.y += 1
return not detect_collisions(board, test_block)
def rotate(self):
if self.game_running:
test_block = Block.copy_block(self.block)
#try to rotate right
test_block.rotate_right()
#if there is no collision detected, rotate actual block
if not detect_collisions(self.board, test_block):
self.block.rotate_right()
def move(self, amt):
if self.game_running:
#we first test to see if there will be a collision if block moves down
#by using a test_block
test_block = Block.copy_block(self.block)
test_block.x += amt
#checks that ensure block does not go out of screen
if test_block.x < test_block.buffer[0]:
self.block.x = self.block.buffer[0]
elif test_block.x > cols - test_block.length + test_block.buffer[1]:
self.block.x = cols - self.block.length + self.block.buffer[1]
#if there is a collision, then apply the movement to actual block
if not detect_collisions(self.board, test_block):
self.block.x += amt
def valid_placement(board, block, surface_coords):
width, height = len(block.value[0]), len(block.value)
results = []
#need to consider multiple positions to left
for rotation_index in range(4):
for offset_x in range(width)[::-1]:
test_block = Block.copy_block(block)
test_block.rotate_to(rotation_index)
test_block.x = surface_coords[0] - offset_x
test_block.y = surface_coords[1] - height
coords = valid_placement_helper(board, test_block)
if coords:
results.append(test_block)
return results
