74 lines
2.9 KiB
Python
74 lines
2.9 KiB
Python
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from typing import Any
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from bta_proxy.datainputstream import AsyncDataInputStream, SyncDataInputStream
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from enum import Enum
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from dataclasses import dataclass
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from bta_proxy.itemstack import ItemStack
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class DataItemType(Enum):
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BYTE = 0
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SHORT = 1
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INTEGER = 2
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FLOAT = 3
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STRING = 4
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ITEMSTACK = 5
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CHUNK_COORDINATES = 6
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@dataclass
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class DataItem:
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type: DataItemType
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id: int
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value: Any
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class EntityData:
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@classmethod
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async def read_from(cls, dis: AsyncDataInputStream) -> list[DataItem]:
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items = []
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while (data := await dis.read()) != 0x7F:
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print(f"========= EntityData.read_from {data=} ({(data & 0xE0) >> 5})")
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item_type = DataItemType((data & 0xE0) >> 5)
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item_id: int = data & 0x1F
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match item_type:
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case DataItemType.BYTE:
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items.append(DataItem(item_type, item_id, await dis.read()))
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case DataItemType.SHORT:
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items.append(DataItem(item_type, item_id, await dis.read_short()))
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case DataItemType.FLOAT:
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items.append(DataItem(item_type, item_id, await dis.read_float()))
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case DataItemType.STRING:
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items.append(DataItem(item_type, item_id, await dis.read_string()))
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case DataItemType.ITEMSTACK:
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items.append(DataItem(item_type, item_id, await ItemStack.read_from(dis)))
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case DataItemType.CHUNK_COORDINATES:
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x = await dis.read_float()
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y = await dis.read_float()
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z = await dis.read_float()
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items.append(DataItem(item_type, item_id, (x, y, z)))
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return items
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@classmethod
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def read_from_sync(cls, dis: SyncDataInputStream) -> list[DataItem]:
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items = []
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while (data := dis.read()) != 0x7F:
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item_type = DataItemType((data & 0xE0) >> 5)
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item_id: int = data & 0x1F
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match item_type:
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case DataItemType.BYTE:
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items.append(DataItem(item_type, item_id, dis.read()))
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case DataItemType.SHORT:
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items.append(DataItem(item_type, item_id, dis.read_short()))
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case DataItemType.FLOAT:
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items.append(DataItem(item_type, item_id, dis.read_float()))
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case DataItemType.STRING:
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items.append(DataItem(item_type, item_id, dis.read_string()))
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case DataItemType.ITEMSTACK:
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items.append(DataItem(item_type, item_id, ItemStack.read_from_sync(dis)))
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case DataItemType.CHUNK_COORDINATES:
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x = dis.read_float()
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y = dis.read_float()
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z = dis.read_float()
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items.append(DataItem(item_type, item_id, (x, y, z)))
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return items
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