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fix entity metadata. it was just undocumented issue

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This commit is contained in:
əlemi 2022-01-04 02:20:27 +01:00
parent bfc4dbc31b
commit 21a8e5daf6
1 changed files with 40 additions and 25 deletions
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43
aiocraft/mc/types.py
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@ -10,7 +10,7 @@ from typing import List, Tuple, Dict, Any, Union, Optional, Type as Class
class Type(object):
pytype : type
pytype : type = lambda x : x
def write(self, data:Any, buffer:io.BytesIO, ctx:object=None) -> None:
"""Write data to a packet buffer"""
@ -88,7 +88,6 @@ class NBTType(Type):
return pynbt.NBTFile(io=buffer)
NBTTag = NBTType()
# NBTTag = TrailingData
class VarLenPrimitive(Type):
pytype : type = int
@ -98,7 +97,7 @@ class VarLenPrimitive(Type):
self.max_bytes = max_bytes
def write(self, data:int, buffer:io.BytesIO, ctx:object=None):
count = 0
count = 0 # TODO raise exceptions
while count < self.max_bytes:
byte = data & 0b01111111
data >>= 7
@ -279,7 +278,7 @@ class SwitchType(Type):
return self.default.read(buffer, ctx=ctx)
return None
class StructType(Type):
class StructType(Type): # TODO sub objects
pytype : type = dict
fields : Tuple[Tuple[str, Type], ...]
@ -328,7 +327,25 @@ class SlotType(Type):
Slot = SlotType()
# wiki.vg does not document these anymore. Minecraft 1.12.2 has these as metadata types
_ENTITY_METADATA_TYPES = {
0 : Byte,
1 : VarInt,
2 : Float,
3 : String,
4 : Chat,
5 : Slot,
6 : Boolean,
7 : StructType(("x", Float), ("y", Float), ("z", Float)), # Rotation
8 : Position,
9 : OptionalType(Position),
10 : VarInt, # Direction (Down = 0, Up = 1, North = 2, South = 3, West = 4, East = 5)
11 : OptionalType(UUID),
12 : VarInt, # OptBlockID (VarInt) 0 for absent (implies air); otherwise, a block state ID as per the global palette
13 : NBTTag,
}
_ENTITY_METADATA_TYPES_NEW = {
0 : Byte,
1 : VarInt,
2 : Float,
@ -353,21 +370,19 @@ _ENTITY_METADATA_TYPES = {
class EntityMetadataType(Type):
pytype : type = dict
def read(self, buffer:io.BytesIO, ctx:object=None) -> Dict[int, Any]:
out : Dict[int, Any] = {}
def write(self, data:Dict[int, Any], buffer:io.BytesIO, ctx:object=None):
logging.error("Sending entity metadata isn't implemented yet") # TODO
buffer.write(0xFF)
def read(self, buffer:io.BytesIO, ctx:object=None) -> Dict[int, Any]:
types_map = _ENTITY_METADATA_TYPES_NEW if ctx._proto > 340 else _ENTITY_METADATA_TYPES
out : Dict[int, Any] = {}
while True:
index = UnsignedByte.read(buffer, ctx)
logging.info("Read index byte : 0x%02x", index)
if index == 0xFF:
break
tp = VarInt.read(buffer, ctx)
logging.info("Read type : %d", tp)
out[index] = _ENTITY_METADATA_TYPES[tp].read(buffer, ctx)
logging.info("Read data : %s", str(out[index]))
out[index] = types_map[tp].read(buffer, ctx)
return out
# EntityMetadata = EntityMetadataType()
EntityMetadata = UnimplementedDataType()
EntityMetadata = EntityMetadataType()