from panda3d.core import ConfigVariableString
from panda3d.physics import SpriteParticleRenderer
[docs]class SpriteParticleRendererExt(SpriteParticleRenderer):
"""
Contains methods to extend functionality
of the SpriteParticleRenderer class
"""
# Initialize class variables for texture, source file and node for texture and
# node path textures to None. These will be initialized to a hardcoded default
# or whatever the user specifies in his/her Configrc variable the first time they
# are accessed
# Will use instance copy of this in functions below
sourceTextureName = None
sourceFileName = None
sourceNodeName = None
[docs] def getSourceTextureName(self):
if self.sourceTextureName is None:
SpriteParticleRendererExt.sourceTextureName = ConfigVariableString(
'particle-sprite-texture', 'maps/lightbulb.rgb').value
# Return instance copy of class variable
return self.sourceTextureName
[docs] def setSourceTextureName(self, name):
# Set instance copy of class variable
self.sourceTextureName = name
[docs] def setTextureFromFile(self, fileName = None):
if fileName is None:
fileName = self.getSourceTextureName()
t = base.loader.loadTexture(fileName)
if t is not None:
self.setTexture(t, t.getYSize())
self.setSourceTextureName(fileName)
return True
else:
print("Couldn't find rendererSpriteTexture file: %s" % fileName)
return False
[docs] def addTextureFromFile(self, fileName = None):
if self.getNumAnims() == 0:
return self.setTextureFromFile(fileName)
if fileName is None:
fileName = self.getSourceTextureName()
t = base.loader.loadTexture(fileName)
if t is not None:
self.addTexture(t, t.getYSize())
return True
else:
print("Couldn't find rendererSpriteTexture file: %s" % fileName)
return False
[docs] def getSourceFileName(self):
if self.sourceFileName is None:
SpriteParticleRendererExt.sourceFileName = ConfigVariableString(
'particle-sprite-model', 'models/misc/smiley').value
# Return instance copy of class variable
return self.sourceFileName
[docs] def setSourceFileName(self, name):
# Set instance copy of class variable
self.sourceFileName = name
[docs] def getSourceNodeName(self):
if self.sourceNodeName is None:
SpriteParticleRendererExt.sourceNodeName = ConfigVariableString(
'particle-sprite-node', '**/*').value
# Return instance copy of class variable
return self.sourceNodeName
[docs] def setSourceNodeName(self, name):
# Set instance copy of class variable
self.sourceNodeName = name
[docs] def setTextureFromNode(self, modelName = None, nodeName = None, sizeFromTexels = False):
if modelName is None:
modelName = self.getSourceFileName()
if nodeName is None:
nodeName = self.getSourceNodeName()
# Load model and get texture
m = base.loader.loadModel(modelName)
if m is None:
print("SpriteParticleRendererExt: Couldn't find model: %s!" % modelName)
return False
np = m.find(nodeName)
if np.isEmpty():
print("SpriteParticleRendererExt: Couldn't find node: %s!" % nodeName)
m.removeNode()
return False
self.setFromNode(np, modelName, nodeName, sizeFromTexels)
self.setSourceFileName(modelName)
self.setSourceNodeName(nodeName)
m.removeNode()
return True
[docs] def addTextureFromNode(self, modelName = None, nodeName = None, sizeFromTexels = False):
if self.getNumAnims() == 0:
return self.setTextureFromNode(modelName, nodeName, sizeFromTexels)
if modelName is None:
modelName = self.getSourceFileName()
if nodeName is None:
nodeName = self.getSourceNodeName()
# Load model and get texture
m = base.loader.loadModel(modelName)
if m is None:
print("SpriteParticleRendererExt: Couldn't find model: %s!" % modelName)
return False
np = m.find(nodeName)
if np.isEmpty():
print("SpriteParticleRendererExt: Couldn't find node: %s!" % nodeName)
m.removeNode()
return False
self.addFromNode(np, modelName, nodeName, sizeFromTexels)
m.removeNode()
return True
