Files
Hippolyzer/hippolyzer/lib/base/wearables.py
2025-07-05 03:59:14 +00:00

291 lines
11 KiB
Python

"""
Body parts and linden clothing layers
"""
from __future__ import annotations
import dataclasses
import enum
import logging
from io import StringIO
from typing import *
from xml.etree.ElementTree import parse as parse_etree
from hippolyzer.lib.base.datatypes import UUID
from hippolyzer.lib.base.helpers import get_resource_filename
from hippolyzer.lib.base.inventory import InventorySaleInfo, InventoryPermissions
from hippolyzer.lib.base.legacy_schema import SchemaBase, parse_schema_line, SchemaParsingError
import hippolyzer.lib.base.serialization as se
from hippolyzer.lib.base.message.message import Message
from hippolyzer.lib.base.templates import WearableType
LOG = logging.getLogger(__name__)
_T = TypeVar("_T")
WEARABLE_VERSION = "LLWearable version 22"
DEFAULT_WEARABLE_TEX = UUID("c228d1cf-4b5d-4ba8-84f4-899a0796aa97")
class AvatarTEIndex(enum.IntEnum):
"""From llavatarappearancedefines.h"""
HEAD_BODYPAINT = 0
UPPER_SHIRT = enum.auto()
LOWER_PANTS = enum.auto()
EYES_IRIS = enum.auto()
HAIR = enum.auto()
UPPER_BODYPAINT = enum.auto()
LOWER_BODYPAINT = enum.auto()
LOWER_SHOES = enum.auto()
HEAD_BAKED = enum.auto()
UPPER_BAKED = enum.auto()
LOWER_BAKED = enum.auto()
EYES_BAKED = enum.auto()
LOWER_SOCKS = enum.auto()
UPPER_JACKET = enum.auto()
LOWER_JACKET = enum.auto()
UPPER_GLOVES = enum.auto()
UPPER_UNDERSHIRT = enum.auto()
LOWER_UNDERPANTS = enum.auto()
SKIRT = enum.auto()
SKIRT_BAKED = enum.auto()
HAIR_BAKED = enum.auto()
LOWER_ALPHA = enum.auto()
UPPER_ALPHA = enum.auto()
HEAD_ALPHA = enum.auto()
EYES_ALPHA = enum.auto()
HAIR_ALPHA = enum.auto()
HEAD_TATTOO = enum.auto()
UPPER_TATTOO = enum.auto()
LOWER_TATTOO = enum.auto()
HEAD_UNIVERSAL_TATTOO = enum.auto()
UPPER_UNIVERSAL_TATTOO = enum.auto()
LOWER_UNIVERSAL_TATTOO = enum.auto()
SKIRT_TATTOO = enum.auto()
HAIR_TATTOO = enum.auto()
EYES_TATTOO = enum.auto()
LEFT_ARM_TATTOO = enum.auto()
LEFT_LEG_TATTOO = enum.auto()
AUX1_TATTOO = enum.auto()
AUX2_TATTOO = enum.auto()
AUX3_TATTOO = enum.auto()
LEFTARM_BAKED = enum.auto()
LEFTLEG_BAKED = enum.auto()
AUX1_BAKED = enum.auto()
AUX2_BAKED = enum.auto()
AUX3_BAKED = enum.auto()
@property
def is_baked(self) -> bool:
return self.name.endswith("_BAKED")
class VisualParamGroup(enum.IntEnum):
TWEAKABLE = 0
ANIMATABLE = 1
TWEAKABLE_NO_TRANSMIT = 2
TRANSMIT_NOT_TWEAKABLE = 3
@dataclasses.dataclass
class VisualParam:
id: int
name: str
value_min: float
value_max: float
value_default: float
group: VisualParamGroup
# These might be `None` if the param isn't meant to be directly edited
edit_group: Optional[str]
wearable: Optional[str]
def dequantize_val(self, val: int) -> float:
"""Dequantize U8 values from AvatarAppearance messages"""
spec = se.QuantizedFloat(se.U8, self.value_min, self.value_max, False)
return spec.decode(val, None)
class VisualParams(List[VisualParam]):
def __init__(self, lad_path):
super().__init__()
with open(lad_path, "rb") as f:
doc = parse_etree(f)
temp_params = []
for param in doc.findall(".//param"):
temp_params.append(VisualParam(
id=int(param.attrib["id"]),
name=param.attrib["name"],
group=VisualParamGroup(int(param.get("group", "0"))),
edit_group=param.get("edit_group"),
wearable=param.get("wearable"),
value_min=float(param.attrib["value_min"]),
value_max=float(param.attrib["value_max"]),
value_default=float(param.attrib.get("value_default", 0.0))
))
# Some functionality relies on the list being sorted by ID, though there may be holes.
temp_params.sort(key=lambda x: x.id)
# Remove dupes, only using the last value present (matching indra behavior)
# This is necessary to remove the duplicate eye pop entry...
self.extend({x.id: x for x in temp_params}.values())
@property
def appearance_params(self) -> Iterator[VisualParam]:
for param in self:
if param.group not in (VisualParamGroup.TWEAKABLE, VisualParamGroup.TRANSMIT_NOT_TWEAKABLE):
continue
yield param
def by_name(self, name: str) -> VisualParam:
return [x for x in self if x.name == name][0]
def by_edit_group(self, edit_group: str) -> List[VisualParam]:
return [x for x in self if x.edit_group == edit_group]
def by_wearable(self, wearable: str) -> List[VisualParam]:
return [x for x in self if x.wearable == wearable]
def by_id(self, vparam_id: int) -> VisualParam:
return [x for x in self if x.id == vparam_id][0]
def parse_appearance_message(self, message: Message) -> Dict[int, float]:
params = {}
for param, value_block in zip(self.appearance_params, message["VisualParam"]):
params[param.id] = param.dequantize_val(value_block["ParamValue"])
return params
VISUAL_PARAMS = VisualParams(get_resource_filename("lib/base/data/avatar_lad.xml"))
# See `llpaneleditwearable.cpp`, which TE slots should be set for each wearable type is hardcoded
# in the viewer.
WEARABLE_TEXTURE_SLOTS: Dict[WearableType, Sequence[AvatarTEIndex]] = {
WearableType.SHAPE: (),
WearableType.SKIN: (AvatarTEIndex.HEAD_BODYPAINT, AvatarTEIndex.UPPER_BODYPAINT, AvatarTEIndex.LOWER_BODYPAINT),
WearableType.HAIR: (AvatarTEIndex.HAIR,),
WearableType.EYES: (AvatarTEIndex.EYES_IRIS,),
WearableType.SHIRT: (AvatarTEIndex.UPPER_SHIRT,),
WearableType.PANTS: (AvatarTEIndex.LOWER_PANTS,),
WearableType.SHOES: (AvatarTEIndex.LOWER_SHOES,),
WearableType.SOCKS: (AvatarTEIndex.LOWER_SOCKS,),
WearableType.JACKET: (AvatarTEIndex.UPPER_JACKET, AvatarTEIndex.LOWER_JACKET),
WearableType.GLOVES: (AvatarTEIndex.UPPER_GLOVES,),
WearableType.UNDERSHIRT: (AvatarTEIndex.UPPER_UNDERSHIRT,),
WearableType.UNDERPANTS: (AvatarTEIndex.LOWER_UNDERPANTS,),
WearableType.SKIRT: (AvatarTEIndex.SKIRT,),
WearableType.ALPHA: (AvatarTEIndex.LOWER_ALPHA, AvatarTEIndex.UPPER_ALPHA,
AvatarTEIndex.HEAD_ALPHA, AvatarTEIndex.EYES_ALPHA, AvatarTEIndex.HAIR_ALPHA),
WearableType.TATTOO: (AvatarTEIndex.LOWER_TATTOO, AvatarTEIndex.UPPER_TATTOO, AvatarTEIndex.HEAD_TATTOO),
WearableType.UNIVERSAL: (AvatarTEIndex.HEAD_UNIVERSAL_TATTOO, AvatarTEIndex.UPPER_UNIVERSAL_TATTOO,
AvatarTEIndex.LOWER_UNIVERSAL_TATTOO, AvatarTEIndex.SKIRT_TATTOO,
AvatarTEIndex.HAIR_TATTOO, AvatarTEIndex.EYES_TATTOO, AvatarTEIndex.LEFT_ARM_TATTOO,
AvatarTEIndex.LEFT_LEG_TATTOO, AvatarTEIndex.AUX1_TATTOO, AvatarTEIndex.AUX2_TATTOO,
AvatarTEIndex.AUX3_TATTOO),
WearableType.PHYSICS: (),
}
@dataclasses.dataclass
class Wearable(SchemaBase):
name: str
wearable_type: WearableType
permissions: InventoryPermissions
sale_info: InventorySaleInfo
# VisualParam ID -> val
parameters: Dict[int, float]
# TextureEntry ID -> texture UUID
textures: Dict[int, UUID]
@classmethod
def _skip_to_next_populated_line(cls, reader: StringIO):
old_pos = reader.tell()
while peeked_data := reader.readline():
# Read until we find a non-blank line
if peeked_data.lstrip("\n"):
break
old_pos = reader.tell()
# Reading an empty string means EOF
if not peeked_data:
raise SchemaParsingError("Premature EOF")
reader.seek(old_pos)
@classmethod
def _read_and_parse_line(cls, reader: StringIO):
cls._skip_to_next_populated_line(reader)
return parse_schema_line(reader.readline())
@classmethod
def _read_expected_key(cls, reader: StringIO, expected_key: str) -> str:
key, val = cls._read_and_parse_line(reader)
if key != expected_key:
raise ValueError(f"Expected {expected_key} not found, {(key, val)!r}")
return val
@classmethod
def from_reader(cls, reader: StringIO) -> Wearable:
cls._skip_to_next_populated_line(reader)
version_str = reader.readline().rstrip()
if version_str != WEARABLE_VERSION:
raise ValueError(f"Bad wearable version {version_str!r}")
cls._skip_to_next_populated_line(reader)
name = reader.readline().rstrip()
permissions = InventoryPermissions.from_reader(reader, read_header=True)
sale_info = InventorySaleInfo.from_reader(reader, read_header=True)
wearable_type = WearableType(int(cls._read_expected_key(reader, "type")))
num_params = int(cls._read_expected_key(reader, "parameters"))
params = {}
for _ in range(num_params):
param_id, param_val = cls._read_and_parse_line(reader)
if param_val == ".":
param_val = "0.0"
params[int(param_id)] = float(param_val)
num_textures = int(cls._read_expected_key(reader, "textures"))
textures = {}
for _ in range(num_textures):
te_id, texture_id = cls._read_and_parse_line(reader)
textures[int(te_id)] = UUID(texture_id)
return Wearable(
name=name,
wearable_type=wearable_type,
permissions=permissions,
sale_info=sale_info,
parameters=params,
textures=textures
)
def to_writer(self, writer: StringIO):
writer.write(f"{WEARABLE_VERSION}\n")
writer.write(f"{self.name}\n\n")
self.permissions.to_writer(writer)
self.sale_info.to_writer(writer)
writer.write(f"type {int(self.wearable_type)}\n")
writer.write(f"parameters {len(self.parameters)}\n")
for param_id, param_val in self.parameters.items():
writer.write(f"{param_id} {param_val}\n")
writer.write(f"textures {len(self.textures)}\n")
for te_id, texture_id in self.textures.items():
writer.write(f"{te_id} {texture_id}\n")
@classmethod
def make_default(cls, w_type: WearableType) -> Self:
instance = cls(
name="New " + w_type.name.replace("_", " ").title(),
permissions=InventoryPermissions.make_default(),
sale_info=InventorySaleInfo.make_default(),
parameters={},
textures={},
wearable_type=w_type,
)
for te_idx in WEARABLE_TEXTURE_SLOTS[w_type]:
instance.textures[te_idx] = DEFAULT_WEARABLE_TEX
for param in VISUAL_PARAMS.by_wearable(w_type.name.lower()):
instance.parameters[param.id] = param.value_default
return instance