def loadSphere():
"""
Return the geometry of a sphere.
The sphere data is loaded from 'sphere.obj' which is part of the repo.
:return: (vert, uv, rgb)
"""
# Assemble path to the model.
p = os.path.dirname(os.path.abspath(__file__))
p = os.path.join(p, '..', 'viewer', 'models', 'sphere')
fname = os.path.join(p, 'sphere.obj')
# Import the model geometry.
print(' Importing <{}>... '.format(fname), end='', flush=True)
mesh = model_import.loadModelAll(fname)
# The model may contain several sub-models. Each one has a set of vertices,
# UV- and texture maps. The following code simply flattens the three lists
# of lists into just three lists.
vert = np.array(mesh['vertices']).flatten()
uv = np.array(mesh['UV']).flatten()
rgb = np.array(mesh['RGB']).flatten()
# Ensure the data has the correct format.
vert = 0.5 * np.array(vert)
uv = np.array(uv, np.float32)
rgb = np.array(rgb, np.uint8)
# Return the geometry.
return vert, uv, rgb
def loadModel(fname):
"""
Load 3D model from ``fname`` and return the vertices, UV, and RGB arrays.
"""
# Load the model.
print(" Importing <{}>... ".format(fname), end="", flush=True)
mesh = model_import.loadModelAll(fname)
# The model may contain several sub-models. Each one has a set of vertices,
# UV- and texture maps. The following code simply flattens the three lists
# of lists into just three lists.
vert = np.array(mesh["vertices"]).flatten()
uv = np.array(mesh["UV"]).flatten()
rgb = np.array(mesh["RGB"]).flatten()
return vert, uv, rgb
def loadModel(fname):
"""
Load 3D model from ``fname`` and return the vertices, UV, and RGB arrays.
"""
# Load the model.
print(' Importing <{}>... '.format(fname), end='', flush=True)
mesh = model_import.loadModelAll(fname)
# The model may contain several sub-models. Each one has a set of vertices,
# UV- and texture maps. The following code simply flattens the three lists
# of lists into just three lists.
vert = np.array(mesh['vertices']).flatten()
uv = np.array(mesh['UV'])
rgb = np.array(mesh['RGB'])
print('done')
return vert, uv, rgb
def loadGeometry(self):
# Backup the latest state variables because we will download new ones
# from Azrael shortly.
self.oldSVs = self.newSVs
# Get latest SV values.
with util.Timeit('viewer.getV') as timeit:
ret = self.client.getObjectStates(None)
if not ret.ok:
print('Could not retrieve the state variables -- Abort')
self.close()
# Remove all *None* entries (means Azrael does not know about them;
# should be impossible but just to be sure).
self.newSVs = {}
for objID in ret.data:
if ret.data[objID] is None:
self._removeObjectData(objID)
self.newSVs[objID] = ret.data[objID]
# Remove all objects from the local scene for which Azrael did not
# provid SV data.
for objID in self.oldSVs:
# Ignore the player object.
if (objID in self.newSVs) or (objID == self.player_id):
continue
# Delete all fragment textures.
for frag in self.textureBuffer[objID].values():
gl.glDeleteTextures(frag)
# Delete the corresponding entries in our meta variables.
# gl.glDeleteBuffers(2, [1, 2])
self._removeObjectData(objID)
# The previous loop removed objects that do not exist anymore in
# Azrael. This loop adds objects that now exist in Azrael but not yet
# in our scene.
for objID in list(self.newSVs.keys()):
# Do not add anything if it is the player object itself.
if objID == self.player_id:
continue
# Skip the object if we already have its model, unless the model
# changed.
if (objID in self.oldSVs) and not self.hasGeometryChanged(objID):
continue
# Download the latest geometry for this object; skip it if the
# object does not exist (anymore).
ret = self.client.getFragments([objID])
if not ret.ok or ret.data is None or ret.data[objID] is None:
self._removeObjectData(objID)
continue
# Fetch fragment model from Azrael and pass it to the GPU.
base_url = 'http://{}:{}'.format(self.addr_clerk, self.port_webapi)
for fragID, frag_data in ret.data[objID].items():
if frag_data['fragtype'] == 'RAW':
url = base_url + frag_data['url_frag'] + '/model.json'
frag = requests.get(url).content
if len(frag) == 0:
self._removeObjectData(objID)
break
frag = json.loads(frag.decode('utf8'))
frag = getFragMetaRaw(
frag['vert'], frag['uv'], frag['rgb'],
frag['width'], frag['height']
)
elif frag_data['fragtype'] == 'DAE':
url = base_url + frag_data['url_frag'] + '/' + fragID
frag = requests.get(url).content
if len(frag) == 0:
self._removeObjectData(objID)
break
with tempfile.TemporaryDirectory() as tmpdir:
open('model.dae', 'wb').write(frag)
mesh = model_import.loadModelAll('model.dae')
# The model may contain several sub-models. Each one has a
# set of vertices, UV- and texture maps. The following code
# simply flattens the three list-of-lists into three plain
# lists.
vert = np.array(mesh['vertices']).flatten()
uv = np.array(mesh['UV']).flatten()
rgb = np.array(mesh['RGB']).flatten()
width = height = None
# Ensure the data has the correct format.
vert = np.array(vert)
uv = np.array(uv, np.float32)
rgb = np.array(rgb, np.uint8)
frag = getFragMetaRaw(vert, uv, rgb, width, height)
elif frag_data['fragtype'] == '3JS_V3':
# Model files in 3JS format. These are stored in a main
# JSON file plus (optional) texture files. Find the JSON
# file and log an error if there is not exactly one.
fnames = [_ for _ in frag_data['files']
if _.lower().endswith('.json')]
if len(fnames) != 1:
print('{} possible 3JS model candidates'.format(len(fnames)))
break
# Download the model.
url = base_url + frag_data['url_frag'] + '/' + fnames[0]
frag = requests.get(url).content
if len(frag) == 0:
self._removeObjectData(objID)
break
frag = json.loads(frag.decode('utf8'))
vert, uv, rgb = demolib.load3JSModel(frag)
# Download a texture file (if the model has one).
fnames = [_ for _ in frag_data['files']
if _.lower().endswith('.jpg')]
if len(fnames) > 0:
print('found texture')
url = base_url + frag_data['url_frag'] + '/' + fnames[0]
texture = requests.get(url).content
assert len(texture) > 0
with tempfile.TemporaryDirectory() as tmpdir:
open('texture.jpg', 'wb').write(texture)
img = PIL.Image.open(fnames[0])
width, height = img.size
img = np.array(img)
rgb = np.rollaxis(np.flipud(img), 1).flatten()
print('imported texture {}'.format(url))
del img
del url, texture
del fnames
frag = getFragMetaRaw(vert, uv, rgb, width, height)
else:
continue
self.upload2GPU(objID, fragID, frag)
# Only draw visible triangles for this fragment.
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glDepthFunc(gl.GL_LESS)
def loadGeometry(self):
# Backup the latest state variables because we will download new ones
# from Azrael shortly.
self.oldSVs = self.newSVs
# Get latest SV values.
with util.Timeit('viewer.getV') as timeit:
ret = self.client.getObjectStates(None)
if not ret.ok:
print('Could not retrieve the state variables -- Abort')
self.close()
# Remove all *None* entries (means Azrael does not know about them;
# should be impossible but just to be sure).
self.newSVs = {}
for objID in ret.data:
if ret.data[objID] is None:
self._removeObjectData(objID)
self.newSVs[objID] = ret.data[objID]
# Remove all objects from the local scene for which Azrael did not
# provid SV data.
for objID in self.oldSVs:
# Ignore the player object.
if (objID in self.newSVs) or (objID == self.player_id):
continue
# Delete all fragment textures.
for frag in self.textureBuffer[objID].values():
gl.glDeleteTextures(frag)
# Delete the corresponding entries in our meta variables.
# gl.glDeleteBuffers(2, [1, 2])
self._removeObjectData(objID)
# The previous loop removed objects that do not exist anymore in
# Azrael. This loop adds objects that now exist in Azrael but not yet
# in our scene.
for objID in list(self.newSVs.keys()):
# Do not add anything if it is the player object itself.
if objID == self.player_id:
continue
# Skip the object if we already have its model, unless the model
# changed.
if (objID in self.oldSVs) and not self.hasGeometryChanged(objID):
continue
# Download the latest geometry for this object; skip it if the
# object does not exist (anymore).
ret = self.client.getFragments([objID])
if not ret.ok or ret.data is None or ret.data[objID] is None:
self._removeObjectData(objID)
continue
# Fetch fragment model from Azrael and pass it to the GPU.
base_url = 'http://{}:{}'.format(self.addr_clerk, self.port_webapi)
for fragID, frag_data in ret.data[objID].items():
if frag_data['fragtype'] == 'RAW':
url = base_url + frag_data['url_frag'] + '/model.json'
frag = requests.get(url).content
if len(frag) == 0:
self._removeObjectData(objID)
break
frag = json.loads(frag.decode('utf8'))
frag = getFragMetaRaw(frag['vert'], frag['uv'],
frag['rgb'], frag['width'],
frag['height'])
elif frag_data['fragtype'] == 'DAE':
url = base_url + frag_data['url_frag'] + '/' + fragID
frag = requests.get(url).content
if len(frag) == 0:
self._removeObjectData(objID)
break
with tempfile.TemporaryDirectory() as tmpdir:
open('model.dae', 'wb').write(frag)
mesh = model_import.loadModelAll('model.dae')
# The model may contain several sub-models. Each one has a
# set of vertices, UV- and texture maps. The following code
# simply flattens the three list-of-lists into three plain
# lists.
vert = np.array(mesh['vertices']).flatten()
uv = np.array(mesh['UV']).flatten()
rgb = np.array(mesh['RGB']).flatten()
width = height = None
# Ensure the data has the correct format.
vert = np.array(vert)
uv = np.array(uv, np.float32)
rgb = np.array(rgb, np.uint8)
frag = getFragMetaRaw(vert, uv, rgb, width, height)
elif frag_data['fragtype'] == '3JS_V3':
# Model files in 3JS format. These are stored in a main
# JSON file plus (optional) texture files. Find the JSON
# file and log an error if there is not exactly one.
fnames = [
_ for _ in frag_data['files']
if _.lower().endswith('.json')
]
if len(fnames) != 1:
print('{} possible 3JS model candidates'.format(
len(fnames)))
break
# Download the model.
url = base_url + frag_data['url_frag'] + '/' + fnames[0]
frag = requests.get(url).content
if len(frag) == 0:
self._removeObjectData(objID)
break
frag = json.loads(frag.decode('utf8'))
vert, uv, rgb = demolib.load3JSModel(frag)
# Download a texture file (if the model has one).
fnames = [
_ for _ in frag_data['files']
if _.lower().endswith('.jpg')
]
if len(fnames) > 0:
print('found texture')
url = base_url + frag_data['url_frag'] + '/' + fnames[0]
texture = requests.get(url).content
assert len(texture) > 0
with tempfile.TemporaryDirectory() as tmpdir:
open('texture.jpg', 'wb').write(texture)
img = PIL.Image.open(fnames[0])
width, height = img.size
img = np.array(img)
rgb = np.rollaxis(np.flipud(img), 1).flatten()
print('imported texture {}'.format(url))
del img
del url, texture
del fnames
frag = getFragMetaRaw(vert, uv, rgb, width, height)
else:
continue
self.upload2GPU(objID, fragID, frag)
# Only draw visible triangles for this fragment.
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glDepthFunc(gl.GL_LESS)
def loadGeometry(self):
# Backup the latest state variables because we will download new ones
# from Azrael shortly.
self.oldSVs = self.newSVs
# Get latest SV values.
with util.Timeit('viewer.getV') as timeit:
ret = self.client.getObjectStates(None)
if not ret.ok:
print('Could not retrieve the state variables -- Abort')
self.close()
# Remove all *None* entries (means Azrael does not know about them;
# should be impossible but just to be sure).
self.newSVs = {}
for objID in ret.data:
if ret.data[objID] is None:
self._removeObjectData(objID)
self.newSVs[objID] = ret.data[objID]
# Remove all objects from the local scene for which Azrael did not
# provid SV data.
for objID in self.oldSVs:
# Ignore the player object.
if (objID in self.newSVs) or (objID == self.player_id):
continue
# Delete all fragment textures.
for frag in self.textureBuffer[objID].values():
gl.glDeleteTextures(frag)
# Delete the corresponding entries in our meta variables.
# gl.glDeleteBuffers(2, [1, 2])
self._removeObjectData(objID)
# The previous loop removed objects that do not exist anymore in
# Azrael. This loop adds objects that now exist in Azrael but not yet
# in our scene.
for objID in list(self.newSVs.keys()):
# Do not add anything if it is the player object itself.
if objID == self.player_id:
continue
# Skip the object if we already have its model, unless the model
# changed.
if (objID in self.oldSVs) and not self.hasGeometryChanged(objID):
continue
# Download the latest geometry for this object; skip it if the
# object does not exist (anymore).
ret = self.client.getFragments([objID])
if not ret.ok or ret.data is None or ret.data[objID] is None:
self._removeObjectData(objID)
continue
# Fetch fragment model from Azrael and pass it to the GPU.
base_url = 'http://{}:{}'.format(self.ip, config.port_webserver)
for fragID, frag_data in ret.data[objID].items():
if frag_data['fragtype'] == 'RAW':
url = base_url + frag_data['url_frag'] + '/model.json'
frag = urllib.request.urlopen(url).readall()
if len(frag) == 0:
self._removeObjectData(objID)
break
frag = json.loads(frag.decode('utf8'))
frag = getFragMeta('RAW', FragRaw(**frag))
elif frag_data['fragtype'] == 'DAE':
url = base_url + frag_data['url_frag'] + '/' + fragID
frag = urllib.request.urlopen(url).readall()
if len(frag) == 0:
self._removeObjectData(objID)
break
with tempfile.TemporaryDirectory() as tmpdir:
open('model.dae', 'wb').write(frag)
mesh = model_import.loadModelAll('model.dae')
# The model may contain several sub-models. Each one has a
# set of vertices, UV- and texture maps. The following code
# simply flattens the three list-of-lists into three plain
# lists.
vert = np.array(mesh['vertices']).flatten()
uv = np.array(mesh['UV']).flatten()
rgb = np.array(mesh['RGB']).flatten()
# Ensure the data has the correct format.
vert = np.array(vert)
uv = np.array(uv, np.float32)
rgb = np.array(rgb, np.uint8)
frag = getFragMeta('RAW', FragRaw(vert, uv, rgb))
else:
continue
self.upload2GPU(objID, fragID, frag)
# Only draw visible triangles for this fragment.
gl.glEnable(gl.GL_DEPTH_TEST)
gl.glDepthFunc(gl.GL_LESS)