def pre_build_hook(self, player, builddata):
item, metadata, x, y, z, face = builddata
if item.slot != blocks["chest"].slot:
returnValue((True, builddata, False))
x, y, z = adjust_coords_for_face((x, y, z), face)
bigx, smallx, bigz, smallz = split_coords(x, z)
# chest orientation according to players position
if face == "-y" or face == "+y":
orientation = ('+x', '+z', '-x', '-z')[((int(player.location.yaw) \
- 45 + 360) % 360) / 90]
else:
orientation = face
# Chests have some restrictions on building:
# you cannot connect more than two chests. (notchian)
ccs = chestsAround(self.factory, (x, y, z))
ccn = len(ccs)
if ccn > 1:
# cannot build three or more connected chests
returnValue((False, builddata, True))
chunk = yield self.factory.world.request_chunk(bigx, bigz)
if ccn == 0:
metadata = blocks["chest"].orientation(orientation)
elif ccn == 1:
# check gonna-be-connected chest is not connected already
n = len(chestsAround(self.factory, ccs[0]))
if n != 0:
returnValue((False, builddata, True))
# align both blocks correctly (since 1.8)
# get second block
x2, y2, z2 = ccs[0]
bigx2, smallx2, bigz2, smallz2 = split_coords(x2, z2)
# new chests orientation axis according to blocks position
pair = x - x2, z - z2
ornt = {(0, 1): "x", (0, -1): "x", (1, 0): "z", (-1, 0): "z"}[pair]
# if player is faced another direction, fix it
if orientation[1] != ornt:
# same sign with proper orientation
# XXX Probably notchian logic is different here
# but this one works well enough
orientation = orientation[0] + ornt
metadata = blocks["chest"].orientation(orientation)
# update second block's metadata
if bigx == bigx2 and bigz == bigz2:
# both blocks are in same chunk
chunk2 = chunk
else:
chunk2 = yield self.factory.world.request_chunk(bigx2, bigz2)
chunk2.set_metadata((smallx2, y2, smallz2), metadata)
# Not much to do, just tell the chunk about this tile.
chunk.tiles[smallx, y, smallz] = ChestTile(smallx, y, smallz)
builddata = builddata._replace(metadata=metadata)
returnValue((True, builddata, False))
def open_hook(self, player, container, block):
"""
The ``player`` is a Player's protocol
The ``container`` is a 0x64 message
The ``block`` is a block we trying to open
:returns: None or window object
"""
if block != blocks["chest"].slot:
returnValue(None)
bigx, smallx, bigz, smallz = split_coords(container.x, container.z)
chunk = yield self.factory.world.request_chunk(bigx, bigz)
chests_around = chestsAround(self.factory,
(container.x, container.y, container.z))
chests_around_num = len(chests_around)
if chests_around_num == 0: # small chest
chest = self.get_chest_tile(chunk, (smallx, container.y, smallz))
if chest is None:
returnValue(None)
coords = bigx, smallx, bigz, smallz, container.y
window = ChestWindow(player.wid, player.player.inventory,
chest.inventory, coords)
elif chests_around_num == 1: # large chest
# process second chest coordinates
x2, y2, z2 = chests_around[0]
bigx2, smallx2, bigz2, smallz2 = split_coords(x2, z2)
if bigx == bigx2 and bigz == bigz2:
# both chest blocks are in same chunk
chunk2 = chunk
else:
chunk2 = yield self.factory.world.request_chunk(bigx2, bigz2)
chest1 = self.get_chest_tile(chunk, (smallx, container.y, smallz))
chest2 = self.get_chest_tile(chunk2,
(smallx2, container.y, smallz2))
if chest1 is None or chest2 is None:
returnValue(None)
c1 = bigx, smallx, bigz, smallz, container.y
c2 = bigx2, smallx2, bigz2, smallz2, container.y
# We shall properly order chest inventories
if c1 < c2:
window = LargeChestWindow(player.wid, player.player.inventory,
chest1.inventory, chest2.inventory,
c1)
else:
window = LargeChestWindow(player.wid, player.player.inventory,
chest2.inventory, chest1.inventory,
c2)
else:
log.msg("Chest at (%d, %d, %d) have three chests connected" %
(container.x, container.y, container.z))
returnValue(None)
player.windows.append(window)
returnValue(window)
def open_hook(self, player, container, block):
"""
The ``player`` is a Player's protocol
The ``container`` is a 0x64 message
The ``block`` is a block we trying to open
:returns: None or window object
"""
if block != blocks["chest"].slot:
returnValue(None)
bigx, smallx, bigz, smallz = split_coords(container.x, container.z)
chunk = yield self.factory.world.request_chunk(bigx, bigz)
chests_around = chestsAround(self.factory,
(container.x, container.y, container.z))
chests_around_num = len(chests_around)
if chests_around_num == 0: # small chest
chest = self.get_chest_tile(chunk, (smallx, container.y, smallz))
if chest is None:
returnValue(None)
coords = bigx, smallx, bigz, smallz, container.y
window = ChestWindow(player.wid, player.player.inventory,
chest.inventory, coords)
elif chests_around_num == 1: # large chest
# process second chest coordinates
x2, y2, z2 = chests_around[0]
bigx2, smallx2, bigz2, smallz2 = split_coords(x2, z2)
if bigx == bigx2 and bigz == bigz2:
# both chest blocks are in same chunk
chunk2 = chunk
else:
chunk2 = yield self.factory.world.request_chunk(bigx2, bigz2)
chest1 = self.get_chest_tile(chunk, (smallx, container.y, smallz))
chest2 = self.get_chest_tile(chunk2, (smallx2, container.y, smallz2))
if chest1 is None or chest2 is None:
returnValue(None)
c1 = bigx, smallx, bigz, smallz, container.y
c2 = bigx2, smallx2, bigz2, smallz2, container.y
# We shall properly order chest inventories
if c1 < c2:
window = LargeChestWindow(player.wid, player.player.inventory,
chest1.inventory, chest2.inventory, c1)
else:
window = LargeChestWindow(player.wid, player.player.inventory,
chest2.inventory, chest1.inventory, c2)
else:
log.msg("Chest at (%d, %d, %d) have three chests connected" %
(container.x, container.y, container.z))
returnValue(None)
player.windows.append(window)
returnValue(window)
def pre_build_hook(self, player, builddata):
item, metadata, x, y, z, face = builddata
if item.slot == items["sign"].slot:
# Buildin' a sign, puttin' it on a wall...
builddata = builddata._replace(block=blocks["wall-sign"])
# Offset coords according to face.
if face == "-x":
builddata = builddata._replace(metadata=0x4)
x -= 1
elif face == "+x":
builddata = builddata._replace(metadata=0x5)
x += 1
elif face == "-y":
# Ceiling Sign is watching you read.
returnValue((False, builddata))
elif face == "+y":
# Put +Y signs on signposts. We're fancy that way. Also,
# calculate the proper orientation based on player
# orientation.
# 180 degrees around to orient the signs correctly, and then
# 23 degrees to get the sign to midpoint correctly.
metadata = ((player.location.yaw + 180) * 16 // 360) % 0xf
builddata = builddata._replace(block=blocks["signpost"],
metadata=metadata)
y += 1
elif face == "-z":
builddata = builddata._replace(metadata=0x2)
z -= 1
elif face == "+z":
builddata = builddata._replace(metadata=0x3)
z += 1
bigx, smallx, bigz, smallz = split_coords(x, z)
# Let's build a sign!
chunk = yield factory.world.request_chunk(bigx, bigz)
s = Sign(smallx, y, smallz)
chunk.tiles[smallx, y, smallz] = s
elif item.slot == blocks["chest"].slot:
x, y, z = adjust_coords_for_face((x, y, z), face)
bigx, smallx, bigz, smallz = split_coords(x, z)
# Not much to do, just tell the chunk about this chest.
chunk = yield factory.world.request_chunk(bigx, bigz)
c = Chest(smallx, y, smallz)
chunk.tiles[smallx, y, smallz] = c
returnValue((True, builddata))
def update_chunks(self):
x, chaff, z, chaff = split_coords(self.location.x, self.location.z)
new = set((i + x, j + z) for i, j in circle)
old = set(self.chunks.iterkeys())
added = new - old
discarded = old - new
# Perhaps some explanation is in order.
# The cooperate() function iterates over the iterable it is fed,
# without tying up the reactor, by yielding after each iteration. The
# inner part of the generator expression generates all of the chunks
# around the currently needed chunk, and it sorts them by distance to
# the current chunk. The end result is that we load chunks one-by-one,
# nearest to furthest, without stalling other clients.
if self.chunk_tasks:
for task in self.chunk_tasks:
try:
task.stop()
except (TaskDone, TaskFailed):
pass
self.chunk_tasks = [cooperate(task) for task in
(
self.enable_chunk(i, j) for i, j in
sorted(added, key=lambda t: (t[0] - x)**2 + (t[1] - z)**2)
),
(self.disable_chunk(i, j) for i, j in discarded)
]
def position_changed(self):
x, chaff, z, chaff = split_coords(self.location.x, self.location.z)
# Inform everybody of our new location.
packet = make_packet("teleport",
eid=self.player.eid,
x=self.location.x * 32,
y=self.location.y * 32,
z=self.location.z * 32,
yaw=int(self.location.theta * 255 / (2 * pi)) % 256,
pitch=int(self.location.phi * 255 / (2 * pi)) % 256,
)
self.factory.broadcast_for_others(packet, self)
self.update_chunks()
for entity in self.entities_near(2):
if entity.name != "Item":
continue
if self.player.inventory.add(entity.item, entity.quantity):
packet = make_packet("collect", eid=entity.eid,
destination=self.player.eid)
self.factory.broadcast(packet)
packet = make_packet("destroy", eid=entity.eid)
self.factory.broadcast(packet)
packet = self.player.inventory.save_to_packet()
self.transport.write(packet)
self.factory.destroy_entity(entity)
def entities_near(self, radius):
"""
Obtain the entities within a radius of this player.
Radius is measured in blocks.
"""
chunk_radius = int(radius // 16 + 1)
chunkx, chaff, chunkz, chaff = split_coords(self.location.x,
self.location.z)
minx = chunkx - chunk_radius
maxx = chunkx + chunk_radius + 1
minz = chunkz - chunk_radius
maxz = chunkz + chunk_radius + 1
for x, z in product(xrange(minx, maxx), xrange(minz, maxz)):
if (x, z) not in self.chunks:
continue
chunk = self.chunks[x, z]
yieldables = [entity for entity in chunk.entities
if self.location.distance(entity.location) <= radius]
for i in yieldables:
yield i
def sign(self, container):
bigx, smallx, bigz, smallz = split_coords(container.x, container.z)
try:
chunk = self.chunks[bigx, bigz]
except KeyError:
self.error("Couldn't handle sign in chunk (%d, %d)!" % (bigx, bigz))
return
if (smallx, container.y, smallz) in chunk.tiles:
new = False
s = chunk.tiles[smallx, container.y, smallz]
else:
new = True
s = Sign(smallx, container.y, smallz)
chunk.tiles[smallx, container.y, smallz] = s
s.text1 = container.line1
s.text2 = container.line2
s.text3 = container.line3
s.text4 = container.line4
chunk.dirty = True
# The best part of a sign isn't making one, it's showing everybody
# else on the server that you did.
packet = make_packet("sign", container)
self.factory.broadcast_for_chunk(packet, bigx, bigz)
# Run sign hooks.
for hook in self.sign_hooks:
hook.sign_hook(self.factory, chunk, container.x, container.y,
container.z, [s.text1, s.text2, s.text3, s.text4], new)
def open_or_close(self, world, point):
"""
Toggle the state of the door : open it if it was closed, close it if it was open.
"""
x, y, z = point[0], point[1], point[2]
bigx, x, bigz, z = split_coords(x, z)
d = world.request_chunk(bigx, bigz)
@d.addCallback
def cb(chunk):
block = chunk.get_block((x, y, z))
if block not in Door.doors: # already removed
return
metadata = chunk.get_metadata((x, y, z))
chunk.set_metadata((x, y, z), metadata ^ DOOR_IS_SWUNG)
# Finding out which block is the door's top block.
if (metadata & DOOR_TOP_BLOCK) != 0:
other_y = y - 1
else:
other_y = y + 1
other_block = chunk.get_block((x, other_y, z))
if other_block in Door.doors:
metadata = chunk.get_metadata((x, other_y, z))
chunk.set_metadata((x, other_y, z), metadata ^ DOOR_IS_SWUNG)
# Flush changed chunk
self.factory.flush_chunk(chunk)
def entities_near(self, radius):
"""
Obtain the entities within a radius of this player.
Radius is measured in blocks.
"""
chunk_radius = int(radius // 16 + 1)
chunkx, chaff, chunkz, chaff = split_coords(self.location.pos.x,
self.location.pos.z)
minx = chunkx - chunk_radius
maxx = chunkx + chunk_radius + 1
minz = chunkz - chunk_radius
maxz = chunkz + chunk_radius + 1
for x, z in product(xrange(minx, maxx), xrange(minz, maxz)):
if (x, z) not in self.chunks:
continue
chunk = self.chunks[x, z]
yieldables = [
entity for entity in chunk.entities
if self.location.distance(entity.location) <= (radius * 32)
]
for i in yieldables:
yield i
def open_or_close(self, world, point):
"""
Toggle the state of the door : open it if it was closed, close it if it was open.
"""
x, y, z = point[0], point[1], point[2]
bigx, x, bigz, z = split_coords(x, z)
d = world.request_chunk(bigx, bigz)
@d.addCallback
def cb(chunk):
block = chunk.get_block((x, y, z))
if block not in Door.doors: # already removed
return
metadata = chunk.get_metadata((x, y, z))
chunk.set_metadata((x, y, z), metadata ^ DOOR_IS_SWUNG)
# Finding out which block is the door's top block.
if (metadata & DOOR_TOP_BLOCK) != 0:
other_y = y - 1
else:
other_y = y + 1
other_block = chunk.get_block((x, other_y, z))
if other_block in Door.doors:
metadata = chunk.get_metadata((x, other_y, z))
chunk.set_metadata((x, other_y, z), metadata ^ DOOR_IS_SWUNG)
# Flush changed chunk
self.factory.flush_chunk(chunk)
def send_initial_chunk_and_location(self):
bigx, smallx, bigz, smallz = split_coords(self.location.x,
self.location.z)
# Spawn the 25 chunks in a square around the spawn, *before* spawning
# the player. Otherwise, there's a funky Beta 1.2 bug which causes the
# player to not be able to move.
d = cooperate(
self.enable_chunk(i, j)
for i, j in product(
xrange(bigx - 3, bigx + 3),
xrange(bigz - 3, bigz + 3)
)
).whenDone()
# Don't dare send more chunks beyond the initial one until we've
# spawned.
d.addCallback(lambda none: self.update_location())
d.addCallback(lambda none: self.position_changed())
# Send the MOTD.
if self.motd:
packet = make_packet("chat",
message=self.motd.replace("<tagline>", get_motd()))
d.addCallback(lambda none: self.transport.write(packet))
# Finally, start the secondary chunk loop.
d.addCallback(lambda none: self.update_chunks())
def update_chunks(self):
x, y, z = self.location.pos.to_block()
x, chaff, z, chaff = split_coords(x, z)
new = set((i + x, j + z) for i, j in circle)
old = set(self.chunks.iterkeys())
added = new - old
discarded = old - new
# Perhaps some explanation is in order.
# The cooperate() function iterates over the iterable it is fed,
# without tying up the reactor, by yielding after each iteration. The
# inner part of the generator expression generates all of the chunks
# around the currently needed chunk, and it sorts them by distance to
# the current chunk. The end result is that we load chunks one-by-one,
# nearest to furthest, without stalling other clients.
if self.chunk_tasks:
for task in self.chunk_tasks:
try:
task.stop()
except (TaskDone, TaskFailed):
pass
self.chunk_tasks = [
cooperate(
self.enable_chunk(i, j) for i, j in sorted(
added, key=lambda t: (t[0] - x)**2 + (t[1] - z)**2)),
cooperate(self.disable_chunk(i, j) for i, j in discarded)
]
def sign(self, container):
bigx, smallx, bigz, smallz = split_coords(container.x, container.z)
try:
chunk = self.chunks[bigx, bigz]
except KeyError:
self.error("Couldn't handle sign in chunk (%d, %d)!" %
(bigx, bigz))
return
if (smallx, container.y, smallz) in chunk.tiles:
new = False
s = chunk.tiles[smallx, container.y, smallz]
else:
new = True
s = Sign(smallx, container.y, smallz)
chunk.tiles[smallx, container.y, smallz] = s
s.text1 = container.line1
s.text2 = container.line2
s.text3 = container.line3
s.text4 = container.line4
chunk.dirty = True
# The best part of a sign isn't making one, it's showing everybody
# else on the server that you did.
packet = make_packet("sign", container)
self.factory.broadcast_for_chunk(packet, bigx, bigz)
# Run sign hooks.
for hook in self.sign_hooks:
hook.sign_hook(self.factory, chunk, container.x, container.y,
container.z, [s.text1, s.text2, s.text3, s.text4],
new)
def build(self, container):
if container.x == -1 and container.z == -1 and container.y == 255:
# Lala-land build packet. Discard it for now.
return
# Is the target being selected?
bigx, smallx, bigz, smallz = split_coords(container.x, container.z)
try:
chunk = self.chunks[bigx, bigz]
except KeyError:
self.error("Couldn't select in chunk (%d, %d)!" % (bigx, bigz))
return
if chunk.get_block((smallx, container.y, smallz)) == blocks["workbench"].slot:
i = Workbench()
sync_inventories(self.player.inventory, i)
self.windows[self.wid] = i
packet = make_packet("window-open", wid=self.wid, type="workbench", title="Hurp", slots=2)
self.wid += 1
self.transport.write(packet)
return
# Ignore clients that think -1 is placeable.
if container.primary == -1:
return
# Special case when face is "noop": Update the status of the currently
# held block rather than placing a new block.
if container.face == "noop":
return
if container.primary in blocks:
block = blocks[container.primary]
elif container.primary in items:
block = items[container.primary]
else:
log.err("Ignoring request to place unknown block %d" % container.primary)
return
# it's the top of the world, you can't build here
if container.y == 127 and container.face == "+y":
return
# Run pre-build hooks. These hooks are able to interrupt the build
# process.
builddata = BuildData(block, 0x0, container.x, container.y, container.z, container.face)
for hook in self.pre_build_hooks:
cont, builddata = yield maybeDeferred(hook.pre_build_hook, self.player, builddata)
if not cont:
break
# Run the build.
try:
builddata = self.prepare_build(builddata)
yield maybeDeferred(self.run_build, builddata)
except BuildError, e:
print e
return
def run(self):
"""
Starts a mob's loop process
"""
xcoord, chaff, zcoord, chaff = split_coords(self.location.x,
self.location.z)
self.chunk_coords = (xcoord,1, zcoord) # XXX The one is redundant, fix it
self.loop = LoopingCall(self.update)
self.loop.start(.2)
def update_location(self):
bigx, smallx, bigz, smallz = split_coords(self.location.x, self.location.z)
chunk = self.chunks[bigx, bigz]
height = chunk.height_at(smallx, smallz) + 2
self.location.y = height
packet = self.location.save_to_packet()
self.transport.write(packet)
def decorated(self, coords, *args, **kwargs):
x, y, z = coords
bigx, smallx, bigz, smallz = split_coords(x, z)
d = self.request_chunk(bigx, bigz)
def cb(chunk):
return f(self, chunk, (smallx, y, smallz), *args, **kwargs)
d.addCallback(cb)
return d
def test_split_coords(self):
cases = {
(0, 0): (0, 0, 0, 0),
(1, 1): (0, 1, 0, 1),
(16, 16): (1, 0, 1, 0),
(-1, -1): (-1, 15, -1, 15),
(-16, -16): (-1, 0, -1, 0),
}
for case in cases:
self.assertEqual(split_coords(*case), cases[case])
def decorated(self, coords, *args, **kwargs):
x, y, z = coords
bigx, smallx, bigz, smallz = split_coords(x, z)
d = self.request_chunk(bigx, bigz)
@d.addCallback
def cb(chunk):
return f(self, chunk, (smallx, y, smallz), *args, **kwargs)
return d
def decorated(self, coords, *args, **kwargs):
x, y, z = coords
bigx, smallx, bigz, smallz = split_coords(x, z)
if (bigx, bigz) in self.chunk_cache:
chunk = self.chunk_cache[bigx, bigz]
elif (bigx, bigz) in self.dirty_chunk_cache:
chunk = self.dirty_chunk_cache[bigx, bigz]
else:
raise ChunkNotLoaded("Chunk (%d, %d) isn't loaded")
return f(self, chunk, (smallx, y, smallz), *args, **kwargs)
def open_or_close(self, coords):
x, y, z = coords
bigx, x, bigz, z = split_coords(x, z)
d = self.factory.world.request_chunk(bigx, bigz)
@d.addCallback
def cb(chunk):
block = chunk.get_block((x, y, z))
if block != blocks["trapdoor"].slot: # already removed
return
metadata = chunk.get_metadata((x, y, z))
chunk.set_metadata((x, y, z), metadata ^ DOOR_IS_SWUNG)
self.factory.flush_chunk(chunk)
def open_or_close(self, coords):
x, y, z = coords
bigx, x, bigz, z = split_coords(x, z)
d = self.factory.world.request_chunk(bigx, bigz)
@d.addCallback
def cb(chunk):
block = chunk.get_block((x, y, z))
if block != blocks["trapdoor"].slot: # already removed
return
metadata = chunk.get_metadata((x, y, z))
chunk.set_metadata((x, y, z), metadata ^ DOOR_IS_SWUNG)
self.factory.flush_chunk(chunk)
def decorated(self, coords, *args, **kwargs):
x, y, z = coords
bigx, smallx, bigz, smallz = split_coords(x, z)
bigcoords = bigx, bigz
if bigcoords in self.chunk_cache:
chunk = self.chunk_cache[bigcoords]
elif bigcoords in self.dirty_chunk_cache:
chunk = self.dirty_chunk_cache[bigcoords]
else:
raise ChunkNotLoaded("Chunk (%d, %d) isn't loaded" % bigcoords)
return f(self, chunk, (smallx, y, smallz), *args, **kwargs)
def send_initial_chunk_and_location(self):
"""
Send the initial chunks and location.
This method sends more than one chunk; since Beta 1.2, it must send
nearly fifty chunks before the location can be safely sent.
"""
# Disable located hooks. We'll re-enable them at the end.
self.state = STATE_AUTHENTICATED
log.msg("Initial, position %d, %d, %d" % self.location.pos)
x, y, z = self.location.pos.to_block()
bigx, smallx, bigz, smallz = split_coords(x, z)
# Spawn the 49 chunks in a square around the spawn, *before* spawning
# the player. Otherwise, there's a funky Beta 1.2 bug which causes the
# player to not be able to move.
d = gatherResults([
self.enable_chunk(i, j)
for i, j in product(xrange(bigx - 3, bigx +
3), xrange(bigz - 3, bigz + 3))
])
# What to do if we can't load a given chunk? Just kick 'em.
d.addErrback(lambda fail: self.error("Couldn't load a chunk... :c"))
# Don't dare send more chunks beyond the initial one until we've
# spawned. Once we've spawned, set our status to LOCATED and then
# update_location() will work.
@d.addCallback
def located(none):
self.state = STATE_LOCATED
# Ensure that we're above-ground.
self.ascend(0)
d.addCallback(lambda none: self.update_location())
d.addCallback(lambda none: self.position_changed())
# Send the MOTD.
if self.motd:
@d.addCallback
def motd(none):
self.write_packet("chat",
message=self.motd.replace(
"<tagline>", get_motd()))
# Finally, start the secondary chunk loop.
d.addCallback(lambda none: self.update_chunks())
def decorated(self, coords, *args, **kwargs):
x, y, z = coords
# Fail early if Y is OOB.
if not 0 <= y < CHUNK_HEIGHT:
raise ImpossibleCoordinates("Y value %d is impossible" % y)
bigx, smallx, bigz, smallz = split_coords(x, z)
d = self.request_chunk(bigx, bigz)
@d.addCallback
def cb(chunk):
return f(self, chunk, (smallx, y, smallz), *args, **kwargs)
return d
def send_initial_chunk_and_location(self):
"""
Send the initial chunks and location.
This method sends more than one chunk; since Beta 1.2, it must send
nearly fifty chunks before the location can be safely sent.
"""
# Disable located hooks. We'll re-enable them at the end.
self.state = STATE_AUTHENTICATED
log.msg("Initial, position %d, %d, %d" % self.location.pos)
x, y, z = self.location.pos.to_block()
bigx, smallx, bigz, smallz = split_coords(x, z)
# Spawn the 49 chunks in a square around the spawn, *before* spawning
# the player. Otherwise, there's a funky Beta 1.2 bug which causes the
# player to not be able to move.
d = gatherResults([self.enable_chunk(i, j)
for i, j in product(
xrange(bigx - 3, bigx + 3),
xrange(bigz - 3, bigz + 3)
)
])
# What to do if we can't load a given chunk? Just kick 'em.
d.addErrback(lambda fail: self.error("Couldn't load a chunk... :c"))
# Don't dare send more chunks beyond the initial one until we've
# spawned. Once we've spawned, set our status to LOCATED and then
# update_location() will work.
@d.addCallback
def located(none):
self.state = STATE_LOCATED
# Ensure that we're above-ground.
self.ascend(0)
d.addCallback(lambda none: self.update_location())
d.addCallback(lambda none: self.position_changed())
# Send the MOTD.
if self.motd:
@d.addCallback
def motd(none):
self.write_packet("chat",
message=self.motd.replace("<tagline>", get_motd()))
# Finally, start the secondary chunk loop.
d.addCallback(lambda none: self.update_chunks())
def send_initial_chunk_and_location(self):
"""
Send the initial chunks and location.
This method sends more than one chunk; since Beta 1.2, it must send
nearly fifty chunks before the location can be safely sent.
"""
# Disable located hooks. We'll re-enable them at the end.
self.state = STATE_AUTHENTICATED
log.msg("Initial, position %d, %d, %d" % self.location.pos)
x, y, z = self.location.pos.to_block()
bigx, smallx, bigz, smallz = split_coords(x, z)
# Send the chunk that the player will stand on. The other chunks are
# not so important. There *used* to be a bug, circa Beta 1.2, that
# required lots of surrounding geometry to be present, but that's been
# fixed.
d = self.enable_chunk(bigx, bigz)
# What to do if we can't load a given chunk? Just kick 'em.
d.addErrback(lambda fail: self.error("Couldn't load a chunk... :c"))
# Don't dare send more chunks beyond the initial one until we've
# spawned. Once we've spawned, set our status to LOCATED and then
# update_location() will work.
@d.addCallback
def located(none):
self.state = STATE_LOCATED
# Ensure that we're above-ground.
self.ascend(0)
# XXX for now, drop down from way up high down onto the ground.
# ascend() is busted, I think, and there's no good way to get up
# this high.
self.location.pos = self.location.pos._replace(y=250 * 32)
d.addCallback(lambda none: self.update_location())
d.addCallback(lambda none: self.position_changed())
# Send the MOTD.
if self.motd:
@d.addCallback
def motd(none):
self.write_packet("chat",
message=self.motd.replace("<tagline>", get_motd()))
# Finally, start the secondary chunk loop.
d.addCallback(lambda none: self.update_chunks())
def decorated(self, coords, *args, **kwargs):
x, y, z = coords
# Fail early if Y is OOB.
if not 0 <= y < CHUNK_HEIGHT:
raise ImpossibleCoordinates("Y value %d is impossible" % y)
bigx, smallx, bigz, smallz = split_coords(x, z)
bigcoords = bigx, bigz
chunk = self._cache.get(bigcoords)
if chunk is None:
raise ChunkNotLoaded("Chunk (%d, %d) isn't loaded" % bigcoords)
return f(self, chunk, (smallx, y, smallz), *args, **kwargs)
def play_notes(self, notes):
"""
Play some music.
Send a sequence of notes to the player. ``notes`` is a finite iterable
of pairs of instruments and pitches.
There is no way to time notes; if staggered playback is desired (and
it usually is!), then ``play_notes()`` should be called repeatedly at
the appropriate times.
This method turns the block beneath the player into a note block,
plays the requested notes through it, then turns it back into the
original block, all without actually modifying the chunk.
"""
x, y, z = self.location.pos.to_block()
if y:
y -= 1
bigx, smallx, bigz, smallz = split_coords(x, z)
if (bigx, bigz) not in self.chunks:
return
block = self.chunks[bigx, bigz].get_block((smallx, y, smallz))
meta = self.chunks[bigx, bigz].get_metadata((smallx, y, smallz))
self.write_packet("block",
x=x,
y=y,
z=z,
type=blocks["note-block"].slot,
meta=0)
for instrument, pitch in notes:
self.write_packet("note",
x=x,
y=y,
z=z,
pitch=pitch,
instrument=instrument)
self.write_packet("block", x=x, y=y, z=z, type=block, meta=meta)
def pre_build_hook(self, player, builddata):
item, metadata, x, y, z, face = builddata
if item.slot != items["sign"].slot:
returnValue((True, builddata, False))
# Buildin' a sign, puttin' it on a wall...
builddata = builddata._replace(block=blocks["wall-sign"])
# Offset coords according to face.
if face == "-x":
builddata = builddata._replace(metadata=0x4)
x -= 1
elif face == "+x":
builddata = builddata._replace(metadata=0x5)
x += 1
elif face == "-y":
# Ceiling Sign is watching you read.
returnValue((False, builddata, False))
elif face == "+y":
# Put +Y signs on signposts. We're fancy that way. Also,
# calculate the proper orientation based on player
# orientation.
# 180 degrees around to orient the signs correctly, and then
# 23 degrees to get the sign to midpoint correctly.
yaw = player.location.ori.to_degs()[0]
metadata = ((yaw + 180) * 16 // 360) % 0xf
builddata = builddata._replace(block=blocks["signpost"],
metadata=metadata)
y += 1
elif face == "-z":
builddata = builddata._replace(metadata=0x2)
z -= 1
elif face == "+z":
builddata = builddata._replace(metadata=0x3)
z += 1
bigx, smallx, bigz, smallz = split_coords(x, z)
# Let's build a sign!
chunk = yield self.factory.world.request_chunk(bigx, bigz)
s = SignTile(smallx, y, smallz)
chunk.tiles[smallx, y, smallz] = s
returnValue((True, builddata, False))
def ascend(self, count):
"""
Ascend to the next XZ-plane.
``count`` is the number of ascensions to perform, and may be zero in
order to force this player to not be standing inside a block.
:returns: bool of whether the ascension was successful
This client must be located for this method to have any effect.
"""
if self.state != STATE_LOCATED:
return False
x, y, z = self.location.pos.to_block()
bigx, smallx, bigz, smallz = split_coords(x, z)
chunk = self.chunks[bigx, bigz]
column = [chunk.get_block((smallx, i, smallz))
for i in range(CHUNK_HEIGHT)]
# Special case: Ascend at most once, if the current spot isn't good.
if count == 0:
if (not column[y]) or column[y + 1] or column[y + 2]:
# Yeah, we're gonna need to move.
count += 1
else:
# Nope, we're fine where we are.
return True
for i in xrange(y, 255):
# Find the next spot above us which has a platform and two empty
# blocks of air.
if column[i] and (not column[i + 1]) and not column[i + 2]:
count -= 1
if not count:
break
else:
return False
self.location.pos = self.location.pos._replace(y=i * 32)
return True
def update_chunks(self):
# Don't send chunks unless we're located.
if self.state != STATE_LOCATED:
return
x, y, z = self.location.pos.to_block()
x, chaff, z, chaff = split_coords(x, z)
# These numbers come from a couple spots, including minecraftwiki, but
# I verified them experimentally using torches and pillars to mark
# distances on each setting. ~ C.
distances = {
"tiny": 2,
"short": 4,
"far": 16,
}
radius = distances.get(self.settings.distance, 8)
new = set(circling(x, z, radius))
old = set(self.chunks.iterkeys())
added = new - old
discarded = old - new
# Perhaps some explanation is in order.
# The cooperate() function iterates over the iterable it is fed,
# without tying up the reactor, by yielding after each iteration. The
# inner part of the generator expression generates all of the chunks
# around the currently needed chunk, and it sorts them by distance to
# the current chunk. The end result is that we load chunks one-by-one,
# nearest to furthest, without stalling other clients.
if self.chunk_tasks:
for task in self.chunk_tasks:
try:
task.stop()
except (TaskDone, TaskFailed):
pass
to_enable = sorted_by_distance(added, x, z)
self.chunk_tasks = [
cooperate(self.enable_chunk(i, j) for i, j in to_enable),
cooperate(self.disable_chunk(i, j) for i, j in discarded),
]
def ascend(self, count):
"""
Ascend to the next XZ-plane.
``count`` is the number of ascensions to perform, and may be zero in
order to force this player to not be standing inside a block.
:returns: bool of whether the ascension was successful
This client must be located for this method to have any effect.
"""
if self.state != STATE_LOCATED:
return False
x, y, z = self.location.pos.to_block()
bigx, smallx, bigz, smallz = split_coords(x, z)
chunk = self.chunks[bigx, bigz]
column = [chunk.get_block((smallx, i, smallz))
for i in range(CHUNK_HEIGHT)]
# Special case: Ascend at most once, if the current spot isn't good.
if count == 0:
if (not column[y]) or column[y + 1] or column[y + 2]:
# Yeah, we're gonna need to move.
count += 1
else:
# Nope, we're fine where we are.
return True
for i in xrange(y, 255):
# Find the next spot above us which has a platform and two empty
# blocks of air.
if column[i] and (not column[i + 1]) and not column[i + 2]:
count -= 1
if not count:
break
else:
return False
self.location.pos = self.location.pos._replace(y=i * 32)
return True
def send_initial_chunk_and_location(self):
"""
Send the initial chunks and location.
This method sends more than one chunk; since Beta 1.2, it must send
nearly fifty chunks before the location can be safely sent.
"""
# Disable located hooks. We'll re-enable them at the end.
self.state = STATE_AUTHENTICATED
log.msg("Initial, position %d, %d, %d" % self.location.pos)
x, y, z = self.location.pos.to_block()
bigx, smallx, bigz, smallz = split_coords(x, z)
# Send the chunk that the player will stand on. The other chunks are
# not so important. There *used* to be a bug, circa Beta 1.2, that
# required lots of surrounding geometry to be present, but that's been
# fixed.
d = self.enable_chunk(bigx, bigz)
# What to do if we can't load a given chunk? Just kick 'em.
d.addErrback(lambda fail: self.error("Couldn't load a chunk... :c"))
# Don't dare send more chunks beyond the initial one until we've
# spawned. Once we've spawned, set our status to LOCATED and then
# update_location() will work.
@d.addCallback
def located(none):
self.state = STATE_LOCATED
# Ensure that we're above-ground.
self.ascend(0)
d.addCallback(lambda none: self.update_location())
d.addCallback(lambda none: self.position_changed())
# Send the MOTD.
if self.motd:
@d.addCallback
def motd(none):
self.send_chat(self.motd.replace("<tagline>", get_motd()))
# Finally, start the secondary chunk loop.
d.addCallback(lambda none: self.update_chunks())
def update_entities(self):
"""
Update all entities covered by this factory.
"""
# XXX this method could cause chunks to be generated :c
points = set()
for player in self.protocols.itervalues():
x = player.location.x
z = player.location.z
bigx, chaff, bigz, chaff = split_coords(x, z)
new = set((i + bigx, j + bigz) for i, j in circle)
points.update(new)
for x, y in points:
d = self.world.request_chunk(x, y)
d.addCallback(lambda chunk: chunk.update_entities(self))
def pre_build_hook(self, player, builddata):
item, metadata, x, y, z, face = builddata
if item.slot != blocks["furnace"].slot:
returnValue((True, builddata, False))
x, y, z = adjust_coords_for_face((x, y, z), face)
bigx, smallx, bigz, smallz = split_coords(x, z)
# the furnace cannot be oriented up or down
if face == "-y" or face == "+y":
orientation = ('+x', '+z', '-x', '-z')[((int(player.location.yaw) \
- 45 + 360) % 360) / 90]
metadata = blocks["furnace"].orientation(orientation)
builddata = builddata._replace(metadata=metadata)
# Not much to do, just tell the chunk about this tile.
chunk = yield self.factory.world.request_chunk(bigx, bigz)
chunk.tiles[smallx, y, smallz] = FurnaceTile(smallx, y, smallz)
returnValue((True, builddata, False))
def pre_build_hook(self, player, builddata):
item, metadata, x, y, z, face = builddata
if item.slot != blocks["furnace"].slot:
returnValue((True, builddata, False))
x, y, z = adjust_coords_for_face((x, y, z), face)
bigx, smallx, bigz, smallz = split_coords(x, z)
# the furnace cannot be oriented up or down
if face == "-y" or face == "+y":
orientation = ('+x', '+z', '-x', '-z')[((int(player.location.yaw) \
- 45 + 360) % 360) / 90]
metadata = blocks["furnace"].orientation(orientation)
builddata = builddata._replace(metadata=metadata)
# Not much to do, just tell the chunk about this tile.
chunk = yield self.factory.world.request_chunk(bigx, bigz)
chunk.tiles[smallx, y, smallz] = FurnaceTile(smallx, y, smallz)
returnValue((True, builddata, False))
def open_hook(self, player, container, block):
"""
The ``player`` is a Player's protocol
The ``container`` is a 0x64 message
The ``block`` is a block we trying to open
:returns: None or window object
"""
if block not in (blocks["furnace"].slot, blocks["burning-furnace"].slot):
returnValue(None)
bigx, smallx, bigz, smallz = split_coords(container.x, container.z)
chunk = yield factory.world.request_chunk(bigx, bigz)
furnace = self.get_furnace_tile(chunk, (smallx, container.y, smallz))
if furnace is None:
returnValue(None)
coords = bigx, smallx, bigz, smallz, container.y
window = FurnaceWindow(player.wid, player.player.inventory,
furnace.inventory, coords)
player.windows.append(window)
returnValue(window)
def chat_command(self, username, parameters):
protocol = self.factory.protocols[username]
l = protocol.player.location
x, y, z = l.pos.to_block()
bigx, smallx, bigz, smallz = split_coords(x, z)
chunk = self.factory.world.sync_request_chunk((x, y, z))
column = [chunk.get_block((smallx, i, smallz)) for i in range(256)]
# Find the next spot below us which has a platform and two empty
# blocks of air.
while y > 0:
y -= 1
if column[y] and not column[y + 1] and not column[y + 2]:
break
else:
return ("Couldn't find anywhere to descend!",)
l.pos = l.pos._replace(y=y)
protocol.send_initial_chunk_and_location()
return ("Descended!",)
def open_hook(self, player, container, block):
"""
The ``player`` is a Player's protocol
The ``container`` is a 0x64 message
The ``block`` is a block we trying to open
:returns: None or window object
"""
if block not in (blocks["furnace"].slot, blocks["burning-furnace"].slot):
returnValue(None)
bigx, smallx, bigz, smallz = split_coords(container.x, container.z)
chunk = yield self.factory.world.request_chunk(bigx, bigz)
furnace = self.get_furnace_tile(chunk, (smallx, container.y, smallz))
if furnace is None:
returnValue(None)
coords = bigx, smallx, bigz, smallz, container.y
window = FurnaceWindow(player.wid, player.player.inventory,
furnace.inventory, coords)
player.windows.append(window)
returnValue(window)
def chat_command(self, username, parameters):
protocol = factory.protocols[username]
l = protocol.player.location
x, y, z = l.pos.to_block()
bigx, smallx, bigz, smallz = split_coords(x, z)
chunk = factory.world.sync_request_chunk((x, y, z))
column = chunk.get_column(smallx, smallz)
# Find the next spot below us which has a platform and two empty
# blocks of air.
while y > 0:
y -= 1
if column[y] and not column[y + 1] and not column[y + 2]:
break
else:
return ("Couldn't find anywhere to descend!", )
l.pos = l.pos._replace(y=y)
protocol.send_initial_chunk_and_location()
return ("Descended!", )
def chat_command(self, username, parameters):
protocol = factory.protocols[username]
x = protocol.player.location.x
z = protocol.player.location.z
bigx, smallx, bigz, smallz = split_coords(x, z)
chunk = yield factory.world.request_chunk(bigx, bigz)
column = chunk.get_column(smallx, smallz)
y = protocol.player.location.y
# Find the next spot below us which has a platform and two empty
# blocks of air.
while y > 0:
y -= 1
if column[y] and not column[y + 1] and not column[y + 2]:
break
else:
returnValue(("Couldn't find anywhere to descend!",))
protocol.player.location.y = y
protocol.send_initial_chunk_and_location()
returnValue(("Descended!",))
def play_notes(self, notes):
"""
Play some music.
Send a sequence of notes to the player. ``notes`` is a finite iterable
of pairs of instruments and pitches.
There is no way to time notes; if staggered playback is desired (and
it usually is!), then ``play_notes()`` should be called repeatedly at
the appropriate times.
This method turns the block beneath the player into a note block,
plays the requested notes through it, then turns it back into the
original block, all without actually modifying the chunk.
"""
x, y, z = self.location.x, self.location.y, self.location.z
if y:
y -= 1
bigx, smallx, bigz, smallz = split_coords(x, z)
if (bigx, bigz) not in self.chunks:
return
block = self.chunks[bigx, bigz].get_block((smallx, y, smallz))
meta = self.chunks[bigx, bigz].get_metadata((smallx, y, smallz))
self.write_packet("block", x=x, y=y, z=z,
type=blocks["note-block"].slot, meta=0)
for (instrument, pitch) in notes:
self.write_packet("note", x=x, y=y, z=z, pitch=pitch,
instrument=instrument)
self.write_packet("block", x=x, y=y, z=z, type=block, meta=meta)
def build(self, container):
if container.x == -1 and container.z == -1 and container.y == 255:
# Lala-land build packet. Discard it for now.
return
# Is the target being selected?
bigx, smallx, bigz, smallz = split_coords(container.x, container.z)
try:
chunk = self.chunks[bigx, bigz]
except KeyError:
self.error("Couldn't select in chunk (%d, %d)!" % (bigx, bigz))
return
if (chunk.get_block((smallx, container.y, smallz)) ==
blocks["workbench"].slot):
i = Workbench()
sync_inventories(self.player.inventory, i)
self.windows[self.wid] = i
packet = make_packet("window-open", wid=self.wid, type="workbench",
title="Hurp", slots=2)
self.wid += 1
self.transport.write(packet)
return
# Ignore clients that think -1 is placeable.
if container.primary == -1:
return
# Special case when face is "noop": Update the status of the currently
# held block rather than placing a new block.
if container.face == "noop":
return
if container.primary in blocks:
block = blocks[container.primary]
elif container.primary in items:
block = items[container.primary]
else:
log.err("Ignoring request to place unknown block %d" %
container.primary)
return
# it's the top of the world, you can't build here
if container.y == 127 and container.face == '+y':
return
# Run pre-build hooks. These hooks are able to interrupt the build
# process.
builddata = BuildData(block, 0x0, container.x, container.y,
container.z, container.face)
for hook in self.pre_build_hooks:
cont, builddata = yield maybeDeferred(hook.pre_build_hook,
self.player, builddata)
if not cont:
break
# Run the build.
try:
yield maybeDeferred(self.run_build, builddata)
except BuildError:
return
newblock = builddata.block.slot
coords = builddata.x, builddata.y, builddata.z
# Run post-build hooks. These are merely callbacks which cannot
# interfere with the build process, largely because the build process
# already happened.
for hook in self.post_build_hooks:
yield maybeDeferred(hook.post_build_hook, self.player, coords,
builddata.block)
# Feed automatons.
for automaton in self.factory.automatons:
if newblock in automaton.blocks:
automaton.feed((builddata.x, builddata.y, builddata.z))
# Re-send inventory.
# XXX this could be optimized if/when inventories track damage.
packet = self.player.inventory.save_to_packet()
self.transport.write(packet)
# Flush damaged chunks.
for chunk in self.chunks.itervalues():
self.factory.flush_chunk(chunk)
def digging(self, container):
if container.x == -1 and container.z == -1 and container.y == 255:
# Lala-land dig packet. Discard it for now.
return
# Player drops currently holding item/block.
if (container.state == "dropped" and container.face == "-y" and
container.x == 0 and container.y == 0 and container.z == 0):
i = self.player.inventory
holding = i.holdables[self.player.equipped]
if holding:
primary, secondary, count = holding
if i.consume((primary, secondary), self.player.equipped):
dest = self.location.in_front_of(2)
dest.y += 1
coords = (int(dest.x * 32) + 16, int(dest.y * 32) + 16,
int(dest.z * 32) + 16)
self.factory.give(coords, (primary, secondary), 1)
# Re-send inventory.
packet = self.player.inventory.save_to_packet()
self.transport.write(packet)
# If no items in this slot are left, this player isn't
# holding an item anymore.
if i.holdables[self.player.equipped] is None:
packet = make_packet("entity-equipment",
eid=self.player.eid,
slot=0,
primary=65535,
secondary=0
)
self.factory.broadcast_for_others(packet, self)
return
bigx, smallx, bigz, smallz = split_coords(container.x, container.z)
coords = smallx, container.y, smallz
try:
chunk = self.chunks[bigx, bigz]
except KeyError:
self.error("Couldn't dig in chunk (%d, %d)!" % (bigx, bigz))
return
block = chunk.get_block((smallx, container.y, smallz))
if container.state == "started":
tool = self.player.inventory.holdables[self.player.equipped]
# Check to see whether we should break this block.
if self.dig_policy.is_1ko(block, tool):
self.run_dig_hooks(chunk, coords, blocks[block])
else:
# Set up a timer for breaking the block later.
dtime = time() + self.dig_policy.dig_time(block, tool)
self.last_dig = coords, block, dtime
elif container.state == "stopped":
# The client thinks it has broken a block. We shall see.
if not self.last_dig:
return
oldcoords, oldblock, dtime = self.last_dig
if oldcoords != coords or oldblock != block:
# Nope!
self.last_dig = None
return
dtime -= time()
# When enough time has elapsed, run the dig hooks.
d = deferLater(reactor, max(dtime, 0), self.run_dig_hooks, chunk,
coords, blocks[block])
d.addCallback(lambda none: setattr(self, "last_dig", None))
def setMetadata(self, coords, meta):
factory.world.set_metadata(coords, meta)
bigx, smallx, bigz, smallz = split_coords(coords[0], coords[2])
self.touchedChunks.add( (bigx, bigz) )
def post_build_hook(self, player, coords, block):
bigx, smallx, bigz, smallz = split_coords(coords[0], coords[2])
chunk = yield factory.world.request_chunk(bigx, bigz)
self.dig_hook(chunk, smallx, coords[1], smallz, block)
def pre_build_hook(self, player, builddata):
item, metadata, x, y, z, face = builddata
if item.slot != blocks["chest"].slot:
returnValue((True, builddata, False))
x, y, z = adjust_coords_for_face((x, y, z), face)
bigx, smallx, bigz, smallz = split_coords(x, z)
# chest orientation according to players position
if face == "-y" or face == "+y":
orientation = ('+x', '+z', '-x', '-z')[((int(player.location.yaw) \
- 45 + 360) % 360) / 90]
else:
orientation = face
# Chests have some restrictions on building:
# you cannot connect more than two chests. (notchian)
ccs = chestsAround(self.factory, (x, y, z))
ccn = len(ccs)
if ccn > 1:
# cannot build three or more connected chests
returnValue((False, builddata, True))
chunk = yield self.factory.world.request_chunk(bigx, bigz)
if ccn == 0:
metadata = blocks["chest"].orientation(orientation)
elif ccn == 1:
# check gonna-be-connected chest is not connected already
n = len(chestsAround(self.factory, ccs[0]))
if n != 0:
returnValue((False, builddata, True))
# align both blocks correctly (since 1.8)
# get second block
x2, y2, z2 = ccs[0]
bigx2, smallx2, bigz2, smallz2 = split_coords(x2, z2)
# new chests orientation axis according to blocks position
pair = x - x2, z - z2
ornt = {(0, 1): "x", (0, -1): "x",
(1, 0): "z", (-1, 0): "z"}[pair]
# if player is faced another direction, fix it
if orientation[1] != ornt:
# same sign with proper orientation
# XXX Probably notchian logic is different here
# but this one works well enough
orientation = orientation[0] + ornt
metadata = blocks["chest"].orientation(orientation)
# update second block's metadata
if bigx == bigx2 and bigz == bigz2:
# both blocks are in same chunk
chunk2 = chunk
else:
chunk2 = yield self.factory.world.request_chunk(bigx2, bigz2)
chunk2.set_metadata((smallx2, y2, smallz2), metadata)
# Not much to do, just tell the chunk about this tile.
chunk.tiles[smallx, y, smallz] = ChestTile(smallx, y, smallz)
builddata = builddata._replace(metadata=metadata)
returnValue((True, builddata, False))
def digging(self, container):
if container.x == -1 and container.z == -1 and container.y == 255:
# Lala-land dig packet. Discard it for now.
return
# Player drops currently holding item/block.
if (container.state == "dropped" and container.face == "-y"
and container.x == 0 and container.y == 0
and container.z == 0):
i = self.player.inventory
holding = i.holdables[self.player.equipped]
if holding:
primary, secondary, count = holding
if i.consume((primary, secondary), self.player.equipped):
dest = self.location.in_front_of(2)
coords = dest.pos._replace(y=dest.pos.y + 1)
self.factory.give(coords, (primary, secondary), 1)
# Re-send inventory.
packet = self.inventory.save_to_packet()
self.transport.write(packet)
# If no items in this slot are left, this player isn't
# holding an item anymore.
if i.holdables[self.player.equipped] is None:
packet = make_packet("entity-equipment",
eid=self.player.eid,
slot=0,
primary=65535,
secondary=0)
self.factory.broadcast_for_others(packet, self)
return
if container.state == "shooting":
self.shoot_arrow()
return
bigx, smallx, bigz, smallz = split_coords(container.x, container.z)
coords = smallx, container.y, smallz
try:
chunk = self.chunks[bigx, bigz]
except KeyError:
self.error("Couldn't dig in chunk (%d, %d)!" % (bigx, bigz))
return
block = chunk.get_block((smallx, container.y, smallz))
if container.state == "started":
# Run pre dig hooks
for hook in self.pre_dig_hooks:
cancel = yield maybeDeferred(
hook.pre_dig_hook, self.player,
(container.x, container.y, container.z), block)
if cancel:
return
tool = self.player.inventory.holdables[self.player.equipped]
# Check to see whether we should break this block.
if self.dig_policy.is_1ko(block, tool):
self.run_dig_hooks(chunk, coords, blocks[block])
else:
# Set up a timer for breaking the block later.
dtime = time() + self.dig_policy.dig_time(block, tool)
self.last_dig = coords, block, dtime
elif container.state == "stopped":
# The client thinks it has broken a block. We shall see.
if not self.last_dig:
return
oldcoords, oldblock, dtime = self.last_dig
if oldcoords != coords or oldblock != block:
# Nope!
self.last_dig = None
return
dtime -= time()
# When enough time has elapsed, run the dig hooks.
d = deferLater(reactor, max(dtime, 0), self.run_dig_hooks, chunk,
coords, blocks[block])
d.addCallback(lambda none: setattr(self, "last_dig", None))
def build(self, container):
if container.x == -1 and container.z == -1 and container.y == 255:
# Lala-land build packet. Discard it for now.
return
# Is the target being selected?
bigx, smallx, bigz, smallz = split_coords(container.x, container.z)
try:
chunk = self.chunks[bigx, bigz]
except KeyError:
self.error("Couldn't select in chunk (%d, %d)!" % (bigx, bigz))
return
# Try to open it first
for hook in self.open_hooks:
window = yield maybeDeferred(
hook.open_hook, self, container,
chunk.get_block((smallx, container.y, smallz)))
if window:
self.write_packet("window-open",
wid=window.wid,
type=window.identifier,
title=window.title,
slots=window.slots_num)
packet = window.save_to_packet()
self.transport.write(packet)
# window opened
return
# Ignore clients that think -1 is placeable.
if container.primary == -1:
return
# Special case when face is "noop": Update the status of the currently
# held block rather than placing a new block.
if container.face == "noop":
return
if container.primary in blocks:
block = blocks[container.primary]
elif container.primary in items:
block = items[container.primary]
else:
log.err("Ignoring request to place unknown block %d" %
container.primary)
return
# it's the top of the world, you can't build here
if container.y == 127 and container.face == '+y':
return
# Run pre-build hooks. These hooks are able to interrupt the build
# process.
builddata = BuildData(block, 0x0, container.x, container.y,
container.z, container.face)
for hook in self.pre_build_hooks:
cont, builddata, cancel = yield maybeDeferred(
hook.pre_build_hook, self.player, builddata)
if cancel:
# Flush damaged chunks.
for chunk in self.chunks.itervalues():
self.factory.flush_chunk(chunk)
return
if not cont:
break
# Run the build.
try:
yield maybeDeferred(self.run_build, builddata)
except BuildError:
return
newblock = builddata.block.slot
coords = adjust_coords_for_face(
(builddata.x, builddata.y, builddata.z), builddata.face)
# Run post-build hooks. These are merely callbacks which cannot
# interfere with the build process, largely because the build process
# already happened.
for hook in self.post_build_hooks:
yield maybeDeferred(hook.post_build_hook, self.player, coords,
builddata.block)
# Feed automatons.
for automaton in self.factory.automatons:
if newblock in automaton.blocks:
automaton.feed(coords)
# Re-send inventory.
# XXX this could be optimized if/when inventories track damage.
packet = self.inventory.save_to_packet()
self.transport.write(packet)
# Flush damaged chunks.
for chunk in self.chunks.itervalues():
self.factory.flush_chunk(chunk)
def build(self, container):
"""
Handle a build packet.
Several things must happen. First, the packet's contents need to be
examined to ensure that the packet is valid. A check is done to see if
the packet is opening a windowed object. If not, then a build is
run.
"""
# Is the target within our purview? We don't do a very strict
# containment check, but we *do* require that the chunk be loaded.
bigx, smallx, bigz, smallz = split_coords(container.x, container.z)
try:
chunk = self.chunks[bigx, bigz]
except KeyError:
self.error("Couldn't select in chunk (%d, %d)!" % (bigx, bigz))
return
target = blocks[chunk.get_block((smallx, container.y, smallz))]
# Attempt to open a window.
from bravo.policy.windows import window_for_block
window = window_for_block(target)
if window is not None:
# We have a window!
self.windows[self.wid] = window
identifier, title, slots = window.open()
self.write_packet("window-open", wid=self.wid, type=identifier,
title=title, slots=slots)
self.wid += 1
return
# Try to open it first
for hook in self.open_hooks:
window = yield maybeDeferred(hook.open_hook, self, container,
chunk.get_block((smallx, container.y, smallz)))
if window:
self.write_packet("window-open", wid=window.wid,
type=window.identifier, title=window.title,
slots=window.slots_num)
packet = window.save_to_packet()
self.transport.write(packet)
# window opened
return
# Ignore clients that think -1 is placeable.
if container.primary == -1:
return
# Special case when face is "noop": Update the status of the currently
# held block rather than placing a new block.
if container.face == "noop":
return
# If the target block is vanishable, then adjust our aim accordingly.
if target.vanishes:
container.face = "+y"
container.y -= 1
if container.primary in blocks:
block = blocks[container.primary]
elif container.primary in items:
block = items[container.primary]
else:
log.err("Ignoring request to place unknown block 0x%x" %
container.primary)
return
# Run pre-build hooks. These hooks are able to interrupt the build
# process.
builddata = BuildData(block, 0x0, container.x, container.y,
container.z, container.face)
for hook in self.pre_build_hooks:
cont, builddata, cancel = yield maybeDeferred(hook.pre_build_hook,
self.player, builddata)
if cancel:
# Flush damaged chunks.
for chunk in self.chunks.itervalues():
self.factory.flush_chunk(chunk)
return
if not cont:
break
# Run the build.
try:
yield maybeDeferred(self.run_build, builddata)
except BuildError:
return
newblock = builddata.block.slot
coords = adjust_coords_for_face(
(builddata.x, builddata.y, builddata.z), builddata.face)
# Run post-build hooks. These are merely callbacks which cannot
# interfere with the build process, largely because the build process
# already happened.
for hook in self.post_build_hooks:
yield maybeDeferred(hook.post_build_hook, self.player, coords,
builddata.block)
# Feed automatons.
for automaton in self.factory.automatons:
if newblock in automaton.blocks:
automaton.feed(coords)
# Re-send inventory.
# XXX this could be optimized if/when inventories track damage.
packet = self.inventory.save_to_packet()
self.transport.write(packet)
# Flush damaged chunks.
for chunk in self.chunks.itervalues():
self.factory.flush_chunk(chunk)
def post_build_hook(self, player, coords, block):
bigx, smallx, bigz, smallz = split_coords(coords[0], coords[2])
chunk = yield factory.world.request_chunk(bigx, bigz)
self.dig_hook(chunk, smallx, coords[1], smallz, block)
