def hit(self, blocks, max_distance=8, left=True):
"""Line of sight search from current position. If a block is
intersected it is returned, along with the block previously in the line
of sight. If no block is found, return None, None.
Parameters
----------
blocks : dict
A mapping from position to the texture of a block
max_distance : int
How many blocks away to search for a hit.
left : bool
hit is called by left-click or not
"""
m = 8
x, y, z = self.position
head, feet = normalize((x, y, z)), normalize((x, y - 1, z))
dx, dy, dz = self.get_sight_vector()
previous = None
for _ in range(max_distance * m):
key = normalize((x, y, z))
if key != previous and key in blocks:
if not left and (previous == head or previous == feet):
continue
# Make sure the block isn't the player's head or feet in case of adding.
return key, previous
previous = key
x, y, z = x + dx / m, y + dy / m, z + dz / m
return None, None
def hit(self, blocks, max_distance=8, left=True):
"""Line of sight search from current position. If a block is
intersected it is returned, along with the block previously in the line
of sight. If no block is found, return None, None.
Parameters
----------
blocks : dict
A mapping from position to the texture of a block
max_distance : int
How many blocks away to search for a hit.
left : bool
hit is called by left-click or not
"""
m = 8
x, y, z = self.position
head, feet = normalize((x, y, z)), normalize((x, y - 1, z))
dx, dy, dz = self.get_sight_vector()
previous = None
for _ in range(max_distance * m):
key = normalize((x, y, z))
if key != previous and key in blocks:
if not left and (previous == head or previous == feet):
continue
# Make sure the block isn't the player's head or feet in case of adding.
return key, previous
previous = key
x, y, z = x + dx / m, y + dy / m, z + dz / m
return None, None
def hit_test(self, position, vector, max_distance=8):
"""Line of sight search from current position. If a block is
intersected it is returned, along with the block previously in the line
of sight. If no block is found, return None, None.
Parameters
----------
position : tuple of len 3
The (x, y, z) position to check visibility from.
vector : tuple of len 3
The line of sight vector.
max_distance : int
How many blocks away to search for a hit.
"""
m = 8
x, y, z = position
dx, dy, dz = vector
previous = None
for _ in range(max_distance * m):
key = normalize((x, y, z))
if key != previous and key in self.objects:
return key, previous
previous = key
x, y, z = x + dx / m, y + dy / m, z + dz / m
return None, None
def hit_test(self, coords, vector, max_distance=8):
"""Line of sight search from current position. If a block is
intersected it is returned, along with the block previously in the line
of sight. If no block is found, return None, None.
Parameters
----------
coords : tuple of len 3
The (x, y, z) position to check visibility from.
vector : tuple of len 3
The line of sight vector.
max_distance : int
How many blocks away to search for a hit.
"""
m = 8
x, y, z = coords
dx, dy, dz = vector
previous = None
for _ in range(max_distance * m):
key = normalize((x, y, z))
if key != previous and key in self.blocks:
return key, previous
previous = key
x, y, z = x + dx / m, y + dy / m, z + dz / m
return None, None
def on_joybutton_press(self, joystick, button):
vector = self.player.get_sight_vector()
block, previous = self.world.hit_test(self.player.position, vector)
if button == 0:
player_x, player_y, player_z = normalize(self.player.position)
if previous and previous != (player_x, player_y, player_z) and \
previous != (player_x, player_y - 1, player_z):
# make sure the block isn't in the players head or feet
if self.player.current_item:
self.world.add_block(previous, get_block(self.player.get_block()))
elif button == 1:
self.player.jump()
elif button == 2 and block:
texture = self.world.objects[block]
if texture.hit_and_destroy():
self.world.remove_block(block)
elif button == 3:
self.player.fly()
elif button == 4:
self.player.previous_inventory_item()
elif button == 5:
self.player.next_inventory_item()
print('Button %s pressed' % button)
def test_normalize():
"""
Test the normalize function.
"""
my_pos = [3.29, 5.9, 7.001]
expected = [3, 5, 7]
norm_pos = util.normalize(my_pos)
for i, e in zip(norm_pos, expected):
assert isinstance(i, int), "Returned position not an integer"
assert i == e, "Returned postion ({}) not what we expected ({})!".format(i, e)
def test_normalize():
"""
Test the normalize function.
"""
my_pos = [3.29, 5.9, 7.001]
expected = [3, 6, 7]
norm_pos = util.normalize(my_pos)
for i, e in zip(norm_pos, expected):
assert isinstance(i, int), "Returned position not an integer"
assert i == e, "Returned postion ({}) not what we expected ({})!".format(
i, e)
def on_mouse_press(self, x, y, button, modifiers):
vector = self.player.get_sight_vector()
block, previous = self.world.hit_test(self.player.position, vector)
if (button == mouse.RIGHT) or \
((button == mouse.LEFT) and (modifiers & key.MOD_CTRL)):
# ON OSX, control + left click = right click.
player_x, player_y, player_z = normalize(self.player.position)
if previous and previous != (player_x, player_y, player_z) and \
previous != (player_x, player_y - 1, player_z):
# make sure the block isn't in the players head or feet
if self.player.current_item:
self.world.add_block(previous, get_block(self.player.get_block()))
elif button == pyglet.window.mouse.LEFT and block:
texture = self.world.objects[block]
if texture.hit_and_destroy():
self.world.remove_block(block)
def on_mouse_press(self, x, y, button, modifiers):
vector = self.player.get_sight_vector()
block, previous = self.world.hit_test(self.player.position, vector)
if (button == mouse.RIGHT) or \
((button == mouse.LEFT) and (modifiers & key.MOD_CTRL)):
# ON OSX, control + left click = right click.
player_x, player_y, player_z = normalize(self.player.position)
if previous and self.player.block and \
previous != (player_x, player_y, player_z) and \
previous != (player_x, player_y - 1, player_z):
# make sure the block isn't in the players head or feet
self.world.add_block(previous, get_block(self.player.block))
self.player.adjust_inventory(self.player.block)
elif button == pyglet.window.mouse.LEFT and block:
texture = self.world.objects[block]
if texture.hit_and_destroy():
self.world.remove_block(block)
def collide(self, position, height, objects):
"""Checks to see if the player at the given `position` and `height`
is colliding with any blocks in the world.
Parametesrs
----------
position : tuple of len 3
The (x, y, z) position to check for collisions at.
height : int or float
The height of the player.
Returns
-------
position : tuple of len 3
The new position of the player taking into account collisions.
"""
# How much overlap with a dimension of a surrounding block you need to
# have to count as a collision. If 0, touching terrain at all counts as
# a collision. If .49, you sink into the ground, as if walking through
# tall grass. If >= .5, you'll fall through the ground.
pad = 0.25
p = list(position)
np = normalize(position)
for face in FACES: # check all surrounding blocks
for i in range(3): # check each dimension independently
if not face[i]:
continue
# How much overlap you have with this dimension.
d = (p[i] - np[i]) * face[i]
if d < pad:
continue
for dy in range(height): # check each height
op = list(np)
op[1] -= dy
op[i] += face[i]
if tuple(op) not in objects:
continue
p[i] -= (d - pad) * face[i]
if face == (0, -1, 0) or face == (0, 1, 0):
# You are colliding with the ground or ceiling, so stop
# falling / rising.
self.dy = 0
break
return tuple(p)
def on_mouse_press(self, x, y, button, modifiers):
"""Called when a mouse button is pressed. See pyglet docs for button
amd modifier mappings.
Parameters
----------
x, y : int
The coordinates of the mouse click. Always center of the screen if
the mouse is captured.
button : int
Number representing mouse button that was clicked. 1 = left button,
4 = right button.
modifiers : int
Number representing any modifying keys that were pressed when the
mouse button was clicked.
"""
if self.exclusive:
vector = self.player.get_sight_vector()
block, previous = self.world.hit_test(self.player.position, vector)
if (button == mouse.RIGHT) or \
((button == mouse.LEFT) and (modifiers & key.MOD_CTRL)):
# ON OSX, control + left click = right click.
player_x, player_y, player_z = normalize(self.player.position)
if previous and self.player.block and \
previous != (player_x, player_y, player_z) and \
previous != (player_x, player_y-1, player_z): # make sure the block isn't in the players head or feet
self.world.add_block(previous,
get_block(self.player.block))
self.player.adjust_inventory(self.player.block)
elif button == pyglet.window.mouse.LEFT and block:
texture = self.world.objects[block]
if texture.breakable:
self.world.remove_block(block)
else:
self.set_exclusive_mouse(True)
def on_mouse_press(self, x, y, button, modifiers):
"""Called when a mouse button is pressed. See pyglet docs for button
amd modifier mappings.
Parameters
----------
x, y : int
The coordinates of the mouse click. Always center of the screen if
the mouse is captured.
button : int
Number representing mouse button that was clicked. 1 = left button,
4 = right button.
modifiers : int
Number representing any modifying keys that were pressed when the
mouse button was clicked.
"""
if self.exclusive:
vector = self.player.get_sight_vector()
block, previous = self.world.hit_test(self.player.position, vector)
if (button == mouse.RIGHT) or \
((button == mouse.LEFT) and (modifiers & key.MOD_CTRL)):
# ON OSX, control + left click = right click.
player_x, player_y, player_z = normalize(self.player.position)
if previous and self.player.block and \
previous != (player_x, player_y, player_z) and \
previous != (player_x, player_y - 1, player_z):
# make sure the block isn't in the players head or feet
self.world.add_block(previous, get_block(self.player.block))
self.player.adjust_inventory(self.player.block)
elif button == pyglet.window.mouse.LEFT and block:
texture = self.world.objects[block]
if texture.hit_and_destroy():
self.world.remove_block(block)
else:
self.set_exclusive_mouse(True)
