particles: add snake-case aliases to Python particle classes

direct/src/particles/ForceGroup.py

@@ -6,13 +6,14 @@ from direct.showbase.PhysicsManagerGlobal import *
 from direct.directnotify import DirectNotifyGlobal
 import sys
 
+
 class ForceGroup(DirectObject):
 
     notify = DirectNotifyGlobal.directNotify.newCategory('ForceGroup')
     id = 1
 
     def __init__(self, name=None):
-        if (name == None):
+        if name is None:
             self.name = 'ForceGroup-%d' % ForceGroup.id
             ForceGroup.id += 1
         else:
@@ -60,9 +61,12 @@ class ForceGroup(DirectObject):
 
     # Get/set
     def getName(self):
+        """Deprecated: access .name directly instead."""
         return self.name
+
     def getNode(self):
         return self.node
+
     def getNodePath(self):
         return self.nodePath
 
@@ -124,3 +128,9 @@ class ForceGroup(DirectObject):
                     file.write(fname + ' = AngularVectorForce(Quat(%.4f, %.4f, %.4f))\n' % (vec[0], vec[1], vec[2], vec[3]))
             file.write(fname + '.setActive(%d)\n' % f.getActive())
             file.write(targ + '.addForce(%s)\n' % fname)
+
+    is_enabled = isEnabled
+    get_node = getNode
+    get_node_path = getNodePath
+    as_list = asList
+    print_params = printParams

direct/src/particles/ParticleEffect.py

@@ -8,12 +8,13 @@ from . import ForceGroup
 
 from direct.directnotify import DirectNotifyGlobal
 
+
 class ParticleEffect(NodePath):
     notify = DirectNotifyGlobal.directNotify.newCategory('ParticleEffect')
     pid = 1
 
     def __init__(self, name=None, particles=None):
-        if name == None:
+        if name is None:
             name = 'particle-effect-%d' % ParticleEffect.pid
             ParticleEffect.pid += 1
         NodePath.__init__(self, name)
@@ -25,7 +26,7 @@ class ParticleEffect(NodePath):
         self.particlesDict = {}
         self.forceGroupDict = {}
         # The effect's particle system
-        if particles != None:
+        if particles is not None:
             self.addParticles(particles)
         self.renderParent = None
 
@@ -55,7 +56,7 @@ class ParticleEffect(NodePath):
         assert self.notify.debug('start() - name: %s' % self.name)
         self.renderParent = renderParent
         self.enable()
-        if parent != None:
+        if parent is not None:
             self.reparentTo(parent)
 
     def enable(self):
@@ -128,7 +129,7 @@ class ParticleEffect(NodePath):
                 particles.addForce(fg[i])
 
     def removeParticles(self, particles):
-        if particles == None:
+        if particles is None:
             self.notify.warning('removeParticles() - particles == None!')
             return
         particles.nodePath.detachNode()
@@ -232,3 +233,25 @@ class ParticleEffect(NodePath):
     def __isValid(self):
         return hasattr(self, 'forceGroupDict') and \
                hasattr(self, 'particlesDict')
+
+    # Snake-case aliases.
+    is_enabled = isEnabled
+    add_force_group = addForceGroup
+    add_force = addForce
+    remove_force_group = removeForceGroup
+    remove_force = removeForce
+    remove_all_forces = removeAllForces
+    add_particles = addParticles
+    remove_particles = removeParticles
+    remove_all_particles = removeAllParticles
+    get_particles_list = getParticlesList
+    get_particles_named = getParticlesNamed
+    get_particles_dict = getParticlesDict
+    get_force_group_list = getForceGroupList
+    get_force_group_named = getForceGroupNamed
+    get_force_group_dict = getForceGroupDict
+    save_config = saveConfig
+    load_config = loadConfig
+    clear_to_initial = clearToInitial
+    soft_stop = softStop
+    soft_start = softStart

direct/src/particles/Particles.py

@@ -600,3 +600,17 @@ class Particles(ParticleSystem):
                 base.physicsMgr.doPhysics(remainder,self)
 
             self.render()
+
+    # Snake-case aliases.
+    is_enabled = isEnabled
+    set_factory = setFactory
+    set_renderer = setRenderer
+    set_emitter = setEmitter
+    add_force = addForce
+    remove_force = removeForce
+    set_render_node_path = setRenderNodePath
+    get_factory = getFactory
+    get_emitter = getEmitter
+    get_renderer = getRenderer
+    print_params = printParams
+    get_pool_size_ranges = getPoolSizeRanges