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actor: support custom Python loader hooks

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Fixes #750
This commit is contained in:
rdb 2019-12-29 14:57:43 +01:00
parent 0972dfa457
commit 15d6e0c543
2 changed files with 17 additions and 3 deletions
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4
direct/src/actor/Actor.py
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@ -5,6 +5,7 @@ __all__ = ['Actor']
from panda3d.core import * from panda3d.core import *
from panda3d.core import Loader as PandaLoader from panda3d.core import Loader as PandaLoader
from direct.showbase.DirectObject import DirectObject from direct.showbase.DirectObject import DirectObject
from direct.showbase.Loader import Loader
from direct.directnotify import DirectNotifyGlobal from direct.directnotify import DirectNotifyGlobal
@ -1886,6 +1887,9 @@ class Actor(DirectObject, NodePath):
else: else:
loaderOptions.setFlags(loaderOptions.getFlags() | LoaderOptions.LFReportErrors) loaderOptions.setFlags(loaderOptions.getFlags() | LoaderOptions.LFReportErrors)
# Ensure that custom Python loader hooks are initialized.
Loader._loadPythonFileTypes()
# Pass loaderOptions to specify that we want to # Pass loaderOptions to specify that we want to
# get the skeleton model. This only matters to model # get the skeleton model. This only matters to model
# files (like .mb) for which we can choose to extract # files (like .mb) for which we can choose to extract

16
direct/src/showbase/Loader.py
View File

@ -22,6 +22,8 @@ class Loader(DirectObject):
notify = directNotify.newCategory("Loader") notify = directNotify.newCategory("Loader")
loaderIndex = 0 loaderIndex = 0
_loadedPythonFileTypes = False
class Callback: class Callback:
"""Returned by loadModel when used asynchronously. This class is """Returned by loadModel when used asynchronously. This class is
modelled after Future, and can be awaited.""" modelled after Future, and can be awaited."""
@ -149,8 +151,7 @@ class Loader(DirectObject):
Loader.loaderIndex += 1 Loader.loaderIndex += 1
self.accept(self.hook, self.__gotAsyncObject) self.accept(self.hook, self.__gotAsyncObject)
if ConfigVariableBool('loader-support-entry-points', True): self._loadPythonFileTypes()
self._loadPythonFileTypes()
def destroy(self): def destroy(self):
self.ignore(self.hook) self.ignore(self.hook)
@ -158,7 +159,14 @@ class Loader(DirectObject):
del self.base del self.base
del self.loader del self.loader
def _loadPythonFileTypes(self): @classmethod
def _loadPythonFileTypes(cls):
if cls._loadedPythonFileTypes:
return
if not ConfigVariableBool('loader-support-entry-points', True):
return
import importlib import importlib
try: try:
pkg_resources = importlib.import_module('pkg_resources') pkg_resources = importlib.import_module('pkg_resources')
@ -171,6 +179,8 @@ class Loader(DirectObject):
for entry_point in pkg_resources.iter_entry_points('panda3d.loaders'): for entry_point in pkg_resources.iter_entry_points('panda3d.loaders'):
registry.register_deferred_type(entry_point) registry.register_deferred_type(entry_point)
cls._loadedPythonFileTypes = True
# model loading funcs # model loading funcs
def loadModel(self, modelPath, loaderOptions = None, noCache = None, def loadModel(self, modelPath, loaderOptions = None, noCache = None,
allowInstance = False, okMissing = None, allowInstance = False, okMissing = None,