def test_loader_ram_cache(test_filename):
"""Tests that the Python loader plug-ins write to the RAM cache."""
# Ensure a clean slate.
from panda3d.core import ModelPool
ModelPool.release_all_models()
with registered_type(DummyLoader):
model1 = Loader.get_global_ptr().load_sync(
test_filename,
LoaderOptions(LoaderOptions.LF_no_disk_cache
| LoaderOptions.LF_allow_instance))
assert model1 is not None
assert model1.name == "loaded"
assert ModelPool.has_model(test_filename)
assert ModelPool.get_model(test_filename, True) == model1
model2 = Loader.get_global_ptr().load_sync(
test_filename,
LoaderOptions(LoaderOptions.LF_cache_only
| LoaderOptions.LF_allow_instance))
assert model2 is not None
assert model1 == model2
ModelPool.release_model(model2)
def test_loader_compressed(test_pz_filename):
"""Tests for loading .pz files and the supports_compressed flag."""
class TestLoader:
extensions = ["test"]
@staticmethod
def load_file(path, options, record=None):
return ModelRoot("loaded")
# Test with property absent
with registered_type(TestLoader):
model = Loader.get_global_ptr().load_sync(
test_pz_filename, LoaderOptions(LoaderOptions.LF_no_cache))
assert model is None
# Test with property False, should give same result
TestLoader.supports_compressed = False
with registered_type(TestLoader):
model = Loader.get_global_ptr().load_sync(
test_pz_filename, LoaderOptions(LoaderOptions.LF_no_cache))
assert model is None
# Test with property True, should work
TestLoader.supports_compressed = True
with registered_type(TestLoader):
model = Loader.get_global_ptr().load_sync(
test_pz_filename, LoaderOptions(LoaderOptions.LF_no_cache))
assert model is not None
assert model.name == "loaded"
# Test with property invalid type, should not register
TestLoader.supports_compressed = None
with pytest.raises(TypeError):
LoaderFileTypeRegistry.get_global_ptr().register_type(TestLoader)
def __init__(self, input_file, output_file=None, prefabs=""):
self.dir = os.path.dirname(input_file)
self.depth = 0
self.cardmaker = CardMaker("image")
self.cardmaker.set_frame(-0.5, 0.5, -0.5, 0.5)
self.linesegs = LineSegs()
self.textnode = TextNode("text")
self.tilesheets = [] # Every tsx file loaded.
self.tiles = {} # Every unique tile/card.
self.node = NodePath("tmx_root")
# load prefab models
self.prefabs = {}
if prefabs:
loader = Loader.get_global_ptr()
for prefab_node in loader.load_sync(prefabs).get_children():
prefab_node.clear_transform()
self.prefabs[prefab_node.name] = NodePath(prefab_node)
self.tmx = ET.parse(input_file).getroot()
self.xscale = int(self.tmx.get("tilewidth"))
self.yscale = int(self.tmx.get("tileheight"))
self.size = [0, 0]
self.load_group(self.tmx)
if output_file:
self.export_bam(output_file)
def test_loader_success(test_filename):
"""Tests that a normal dummy loader successfully loads."""
with registered_type(DummyLoader):
model = Loader.get_global_ptr().load_sync(
test_filename, LoaderOptions(LoaderOptions.LF_no_cache))
assert model is not None
assert model.name == "loaded"
def test_loader_extensions(test_filename):
"""Tests multi-extension loaders."""
class MultiExtensionLoader:
extensions = ["test1", "teSt2"]
@staticmethod
def load_file(path, options, record=None):
return ModelRoot("loaded")
fp1 = tempfile.NamedTemporaryFile(suffix='.test1', delete=False)
fp1.write(b"test1")
fp1.close()
fn1 = Filename.from_os_specific(fp1.name)
fn1.make_true_case()
fp2 = tempfile.NamedTemporaryFile(suffix='.TEST2', delete=False)
fp2.write(b"test2")
fp2.close()
fn2 = Filename.from_os_specific(fp2.name)
fn2.make_true_case()
try:
with registered_type(MultiExtensionLoader):
model1 = Loader.get_global_ptr().load_sync(
fn1, LoaderOptions(LoaderOptions.LF_no_cache))
assert model1 is not None
assert model1.name == "loaded"
model2 = Loader.get_global_ptr().load_sync(
fn2, LoaderOptions(LoaderOptions.LF_no_cache))
assert model2 is not None
assert model2.name == "loaded"
finally:
os.unlink(fp1.name)
os.unlink(fp2.name)
# Ensure that both were unregistered.
registry = LoaderFileTypeRegistry.get_global_ptr()
assert not registry.get_type_from_extension("test1")
assert not registry.get_type_from_extension("test2")
def test_loader_exception(test_filename):
"""Tests for a loader that raises an exception."""
class FailingLoader:
extensions = ["test"]
@staticmethod
def load_file(path, options, record=None):
raise Exception("test error")
with registered_type(FailingLoader):
model = Loader.get_global_ptr().load_sync(
test_filename, LoaderOptions(LoaderOptions.LF_no_cache))
assert model is None
def test_loader_nonexistent():
"""Verifies that non-existent files fail before calling load_file."""
flag = [False]
class AssertiveLoader:
extensions = ["test"]
@staticmethod
def load_file(path, options, record=None):
flag[0] = True
assert False, "should never get here"
with registered_type(AssertiveLoader):
model = Loader.get_global_ptr().load_sync(
"/non-existent", LoaderOptions(LoaderOptions.LF_no_cache))
assert model is None
assert not flag[0]
import sys
sys.path.insert(0, "../../")
from Native.RSNative import MeshSplitterWriter
from panda3d.core import Loader, NodePath
# TODO: Make input- and output-file command line parameters, something like:
# convert.py -o output.rpsg input.bam
INPUT_FILE = "Scene.bam"
OUTPUT_FILE = "model.rpsg"
loader = Loader.get_global_ptr()
model = NodePath(loader.load_sync(INPUT_FILE))
# Flatten the transform of the model, since we don't store the transform
model.flatten_strong()
print("Loaded model ...")
writer = MeshSplitterWriter()
# Collect all geoms of the model and register them to the writer
geom_nodes = model.find_all_matches("**/+GeomNode")
for geom_node in geom_nodes:
geom_node = geom_node.node()
for geom_idx in range(geom_node.get_num_geoms()):
geom = geom_node.get_geom(geom_idx)
geom_state = geom_node.get_geom_state(geom_idx)