Better output from particle panel ptf write.

direct/src/particles/Particles.py

@@ -400,9 +400,9 @@ class Particles(ParticleSystem):
             for x in range(animCount):
                 anim = self.renderer.getAnim(x)
                 if(anim.getSourceType() == SpriteAnim.STTexture):
-                    file.write(targ + '.renderer.%sTextureFromFile(\'%s\')\n' % ((x>0 and 'add' or 'set',)[0], anim.getTexSource()))
+                    file.write(targ + '.renderer.addTextureFromFile(\'%s\')\n' % (anim.getTexSource(),))
                 else:
-                    file.write(targ + '.renderer.%sTextureFromNode(\'%s\',\'%s\')\n' % ((x>0 and 'add' or 'set',)[0], anim.getModelSource(), anim.getNodeSource()))
+                    file.write(targ + '.renderer.addTextureFromNode(\'%s\',\'%s\')\n' % (anim.getModelSource(), anim.getNodeSource()))
             sColor = self.renderer.getColor()
             file.write((targ + '.renderer.setColor(Vec4(%.2f, %.2f, %.2f, %.2f))\n' % (sColor[0], sColor[1], sColor[2], sColor[3])))
             file.write(targ + '.renderer.setXScaleFlag(%d)\n' % self.renderer.getXScaleFlag())