panda3d/doc/SceneEditor/seParticles.py

from pandac.PandaModules import *
from direct.particles.ParticleManagerGlobal import *
from direct.showbase.PhysicsManagerGlobal import *

from pandac import ParticleSystem
from pandac import BaseParticleFactory
from pandac import PointParticleFactory
from pandac import ZSpinParticleFactory
#import OrientedParticleFactory
from pandac import BaseParticleRenderer
from pandac import PointParticleRenderer
from pandac import LineParticleRenderer
from pandac import GeomParticleRenderer
from pandac import SparkleParticleRenderer
from pandac import SpriteParticleRenderer
from pandac import BaseParticleEmitter
from pandac import BoxEmitter
from pandac import DiscEmitter
from pandac import LineEmitter
from pandac import PointEmitter
from pandac import RectangleEmitter
from pandac import RingEmitter
from pandac import SphereSurfaceEmitter
from pandac import SphereVolumeEmitter
from pandac import TangentRingEmitter
import string
import os
from direct.directnotify import DirectNotifyGlobal
import sys

class Particles(ParticleSystem.ParticleSystem):

    notify = DirectNotifyGlobal.directNotify.newCategory('Particles')
    id = 1

    def __init__(self, name=None, poolSize=1024):
        """__init__(name, poolSize)"""

        if (name == None):
            self.name = 'particles-%d' % Particles.id
            Particles.id += 1
        else:
            self.name = name
        ParticleSystem.ParticleSystem.__init__(self, poolSize)
        # self.setBirthRate(0.02)
        # self.setLitterSize(10)
        # self.setLitterSpread(0)

        # Set up a physical node
        self.node = PhysicalNode(self.name)
        self.nodePath = NodePath(self.node)
        self.setRenderParent(self.node)
        self.node.addPhysical(self)

        self.factory = None
        self.factoryType = "undefined"
        # self.setFactory("PointParticleFactory")
        self.renderer = None
        self.rendererType = "undefined"
        # self.setRenderer("PointParticleRenderer")
        self.emitter = None
        self.emitterType = "undefined"
        # self.setEmitter("SphereVolumeEmitter")

        # Enable particles by default
        self.fEnabled = 0
        #self.enable()

    def cleanup(self):
        self.disable()
        self.clearLinearForces()
        self.clearAngularForces()
        self.setRenderParent(self.node)
        self.node.removePhysical(self)
        self.nodePath.removeNode()
        del self.node
        del self.nodePath
        del self.factory
        del self.renderer
        del self.emitter

    def enable(self):
        """enable()"""
        if (self.fEnabled == 0):
            physicsMgr.attachPhysical(self)
            particleMgr.attachParticlesystem(self)
            self.fEnabled = 1

    def disable(self):
        """disable()"""
        if (self.fEnabled == 1):
            physicsMgr.removePhysical(self)
            particleMgr.removeParticlesystem(self)
            self.fEnabled = 0

    def isEnabled(self):
        return self.fEnabled

    def getNode(self):
        return self.node

    def setFactory(self, type):
        """setFactory(type)"""
        if (self.factoryType == type):
            return None
        if (self.factory):
            self.factory = None
        self.factoryType = type
        if (type == "PointParticleFactory"):
            self.factory = PointParticleFactory.PointParticleFactory()
        elif (type == "ZSpinParticleFactory"):
            self.factory = ZSpinParticleFactory.ZSpinParticleFactory()
        elif (type == "OrientedParticleFactory"):
            self.factory = OrientedParticleFactory.OrientedParticleFactory()
        else:
            print "unknown factory type: %s" % type
            return None
        self.factory.setLifespanBase(0.5)
        ParticleSystem.ParticleSystem.setFactory(self, self.factory)

    def setRenderer(self, type):
        """setRenderer(type)"""
        if (self.rendererType == type):
            return None
        if (self.renderer):
            self.renderer = None
        self.rendererType = type
        if (type == "PointParticleRenderer"):
            self.renderer = PointParticleRenderer.PointParticleRenderer()
            self.renderer.setPointSize(1.0)
        elif (type == "LineParticleRenderer"):
            self.renderer = LineParticleRenderer.LineParticleRenderer()
        elif (type == "GeomParticleRenderer"):
            self.renderer = GeomParticleRenderer.GeomParticleRenderer()
            npath = NodePath('default-geom')
            # This was moved here because we do not want to download
            # the direct tools with toontown.
            from direct.directtools import DirectSelection
            bbox = DirectSelection.DirectBoundingBox(npath)
            self.renderer.setGeomNode(bbox.lines.node())
        elif (type == "SparkleParticleRenderer"):
            self.renderer = SparkleParticleRenderer.SparkleParticleRenderer()
        elif (type == "SpriteParticleRenderer"):
            self.renderer = SpriteParticleRenderer.SpriteParticleRenderer()
            if (self.renderer.getSourceType() ==
                SpriteParticleRenderer.SpriteParticleRenderer.STTexture):
                # Use current default texture 
                # See sourceTextureName SpriteParticleRenderer-extensions.py
                self.renderer.setTextureFromFile()
            else:
                # Use current default model file and node
                # See sourceFileName and sourceNodeName in SpriteParticleRenderer-extensions.py
                self.renderer.setTextureFromNode()
        else:
            print "unknown renderer type: %s" % type
            return None
        ParticleSystem.ParticleSystem.setRenderer(self, self.renderer)

    def setEmitter(self, type):
        """setEmitter(type)"""
        if (self.emitterType == type):
            return None
        if (self.emitter):
            self.emitter = None
        self.emitterType = type
        if (type == "BoxEmitter"):
            self.emitter = BoxEmitter.BoxEmitter()
        elif (type == "DiscEmitter"):
            self.emitter = DiscEmitter.DiscEmitter()
        elif (type == "LineEmitter"):
            self.emitter = LineEmitter.LineEmitter()
        elif (type == "PointEmitter"):
            self.emitter = PointEmitter.PointEmitter()
        elif (type == "RectangleEmitter"):
            self.emitter = RectangleEmitter.RectangleEmitter()
        elif (type == "RingEmitter"):
            self.emitter = RingEmitter.RingEmitter()
        elif (type == "SphereSurfaceEmitter"):
            self.emitter = SphereSurfaceEmitter.SphereSurfaceEmitter()
        elif (type == "SphereVolumeEmitter"):
            self.emitter = SphereVolumeEmitter.SphereVolumeEmitter()
            self.emitter.setRadius(1.0)
        elif (type == "TangentRingEmitter"):
            self.emitter = TangentRingEmitter.TangentRingEmitter()
        else:
            print "unknown emitter type: %s" % type
            return None
        ParticleSystem.ParticleSystem.setEmitter(self, self.emitter)

    def addForce(self, force):
        """addForce(force)"""
        if (force.isLinear()):
            self.addLinearForce(force)
        else:
            self.addAngularForce(force)

    def removeForce(self, force):
        """removeForce(force)"""
        if (force == None):
            self.notify.warning('removeForce() - force == None!')
            return
        if (force.isLinear()):
            self.removeLinearForce(force)
        else:
            self.removeAngularForce(force)

    def setRenderNodePath(self, nodePath):
        self.setRenderParent(nodePath.node())

    ## Getters ##
    def getName(self):
        """getName()"""
        return self.name
    def getFactory(self):
        """getFactory()"""
        return self.factory
    def getEmitter(self):
        """getEmitter()"""
        return self.emitter
    def getRenderer(self):
        """getRenderer()"""
        return self.renderer

    def printParams(self, file = sys.stdout, targ = 'self'):
        """printParams(file, targ)"""
        i1="    "
        i2=i1+i1
        file.write(i2+'# Particles parameters\n')
        file.write(i2+targ + '.setFactory(\"' + self.factoryType + '\")\n')
        file.write(i2+targ + '.setRenderer(\"' + self.rendererType + '\")\n')
        file.write(i2+targ + '.setEmitter(\"' + self.emitterType + '\")\n')

        # System parameters
        file.write(i2+targ + ('.setPoolSize(%d)\n' %
                           int(self.getPoolSize())))
        file.write(i2+targ + ('.setBirthRate(%.4f)\n' %
                           self.getBirthRate()))
        file.write(i2+targ + ('.setLitterSize(%d)\n' %
                           int(self.getLitterSize())))
        file.write(i2+targ + ('.setLitterSpread(%d)\n' %
                           self.getLitterSpread()))
        file.write(i2+targ + ('.setSystemLifespan(%.4f)\n' %
                           self.getSystemLifespan()))
        file.write(i2+targ + ('.setLocalVelocityFlag(%d)\n' %
                           self.getLocalVelocityFlag()))
        file.write(i2+targ + ('.setSystemGrowsOlderFlag(%d)\n' %
                           self.getSystemGrowsOlderFlag()))
        file.write(i2+'# Factory parameters\n')
        file.write(i2+targ + ('.factory.setLifespanBase(%.4f)\n' %
                           self.factory.getLifespanBase()))
        file.write(i2+targ + '.factory.setLifespanSpread(%.4f)\n' % \
                                self.factory.getLifespanSpread())
        file.write(i2+targ + '.factory.setMassBase(%.4f)\n' % \
                                self.factory.getMassBase())
        file.write(i2+targ + '.factory.setMassSpread(%.4f)\n' % \
                                self.factory.getMassSpread())
        file.write(i2+targ + '.factory.setTerminalVelocityBase(%.4f)\n' % \
                                self.factory.getTerminalVelocityBase())
        file.write(i2+targ + '.factory.setTerminalVelocitySpread(%.4f)\n' % \
                                self.factory.getTerminalVelocitySpread())
        if (self.factoryType == "PointParticleFactory"):
            file.write(i2+'# Point factory parameters\n')
        elif (self.factoryType == "ZSpinParticleFactory"):
            file.write(i2+'# Z Spin factory parameters\n')
            file.write(i2+targ + '.factory.setInitialAngle(%.4f)\n' % \
                                        self.factory.getInitialAngle())
            file.write(i2+targ + '.factory.setInitialAngleSpread(%.4f)\n' % \
                                        self.factory.getInitialAngleSpread())
            file.write(i2+targ + '.factory.enableAngularVelocity(%d)\n' % \
                                        self.factory.getAngularVelocityEnabled())
            if(self.factory.getAngularVelocityEnabled()):
                file.write(i2+targ + '.factory.setAngularVelocity(%.4f)\n' % \
                                            self.factory.getAngularVelocity())
                file.write(i2+targ + '.factory.setAngularVelocitySpread(%.4f)\n' % \
                                            self.factory.getAngularVelocitySpread())
            else:
                file.write(i2+targ + '.factory.setFinalAngle(%.4f)\n' % \
                                            self.factory.getFinalAngle())
                file.write(i2+targ + '.factory.setFinalAngleSpread(%.4f)\n' % \
                                        self.factory.getFinalAngleSpread())

        elif (self.factoryType == "OrientedParticleFactory"):
            file.write(i2+'# Oriented factory parameters\n')
            file.write(i2+targ + '.factory.setInitialOrientation(%.4f)\n' % \
                                        self.factory.getInitialOrientation())
            file.write(i2+targ + '.factory.setFinalOrientation(%.4f)\n' % \
                                        self.factory.getFinalOrientation())

        file.write(i2+'# Renderer parameters\n')
        alphaMode = self.renderer.getAlphaMode()
        aMode = "PRALPHANONE"
        if (alphaMode == BaseParticleRenderer.BaseParticleRenderer.PRALPHANONE):
            aMode = "PRALPHANONE"
        elif (alphaMode ==
                BaseParticleRenderer.BaseParticleRenderer.PRALPHAOUT):
            aMode = "PRALPHAOUT"
        elif (alphaMode ==
                BaseParticleRenderer.BaseParticleRenderer.PRALPHAIN):
            aMode = "PRALPHAIN"
        elif (alphaMode ==
                BaseParticleRenderer.BaseParticleRenderer.PRALPHAUSER):
            aMode = "PRALPHAUSER"
        file.write(i2+targ + '.renderer.setAlphaMode(BaseParticleRenderer.' + aMode + ')\n')
        file.write(i2+targ + '.renderer.setUserAlpha(%.2f)\n' % \
                                        self.renderer.getUserAlpha())
        if (self.rendererType == "PointParticleRenderer"):
            file.write(i2+'# Point parameters\n')
            file.write(i2+targ + '.renderer.setPointSize(%.2f)\n' % \
                                        self.renderer.getPointSize())
            sColor = self.renderer.getStartColor()
            file.write(i2+(targ + '.renderer.setStartColor(Vec4(%.2f, %.2f, %.2f, %.2f))\n' % (sColor[0], sColor[1], sColor[2], sColor[3])))
            sColor = self.renderer.getEndColor()
            file.write(i2+(targ + '.renderer.setEndColor(Vec4(%.2f, %.2f, %.2f, %.2f))\n' % (sColor[0], sColor[1], sColor[2], sColor[3])))
            blendType = self.renderer.getBlendType()
            bType = "PPONECOLOR"
            if (blendType == PointParticleRenderer.PointParticleRenderer.PPONECOLOR):
                bType = "PPONECOLOR"
            elif (blendType == PointParticleRenderer.PointParticleRenderer.PPBLENDLIFE):
                bType = "PPBLENDLIFE"
            elif (blendType == PointParticleRenderer.PointParticleRenderer.PPBLENDVEL):
                bType = "PPBLENDVEL"
            file.write(i2+targ + '.renderer.setBlendType(PointParticleRenderer.' + bType + ')\n')
            blendMethod = self.renderer.getBlendMethod()
            bMethod = "PPNOBLEND"
            if (blendMethod == BaseParticleRenderer.BaseParticleRenderer.PPNOBLEND):
                bMethod = "PPNOBLEND"
            elif (blendMethod == BaseParticleRenderer.BaseParticleRenderer.PPBLENDLINEAR):
                bMethod = "PPBLENDLINEAR"
            elif (blendMethod == BaseParticleRenderer.BaseParticleRenderer.PPBLENDCUBIC):
                bMethod = "PPBLENDCUBIC"
            file.write(i2+targ + '.renderer.setBlendMethod(BaseParticleRenderer.' + bMethod + ')\n')
        elif (self.rendererType == "LineParticleRenderer"):
            file.write(i2+'# Line parameters\n')
            sColor = self.renderer.getHeadColor()
            file.write(i2+(targ + '.renderer.setHeadColor(Vec4(%.2f, %.2f, %.2f, %.2f))\n' % (sColor[0], sColor[1], sColor[2], sColor[3])))
            sColor = self.renderer.getTailColor()
            file.write(i2+(targ + '.renderer.setTailColor(Vec4(%.2f, %.2f, %.2f, %.2f))\n' % (sColor[0], sColor[1], sColor[2], sColor[3])))
        elif (self.rendererType == "GeomParticleRenderer"):
            file.write(i2+'# Geom parameters\n')
            node = self.renderer.getGeomNode()
            file.write(i2+targ + '.renderer.setGeomNode(' + node.getName() + ')\n')
        elif (self.rendererType == "SparkleParticleRenderer"):
            file.write(i2+'# Sparkle parameters\n')
            sColor = self.renderer.getCenterColor()
            file.write(i2+(targ + '.renderer.setCenterColor(Vec4(%.2f, %.2f, %.2f, %.2f))\n' % (sColor[0], sColor[1], sColor[2], sColor[3])))
            sColor = self.renderer.getEdgeColor()
            file.write(i2+(targ + '.renderer.setEdgeColor(Vec4(%.2f, %.2f, %.2f, %.2f))\n' % (sColor[0], sColor[1], sColor[2], sColor[3])))
            file.write(i2+targ + '.renderer.setBirthRadius(%.4f)\n' % self.renderer.getBirthRadius())
            file.write(i2+targ + '.renderer.setDeathRadius(%.4f)\n' % self.renderer.getDeathRadius())
            lifeScale = self.renderer.getLifeScale()
            lScale = "SPNOSCALE"
            if (lifeScale == SparkleParticleRenderer.SparkleParticleRenderer.SPSCALE):
                lScale = "SPSCALE"
            file.write(i2+targ + '.renderer.setLifeScale(SparkleParticleRenderer.' + lScale + ')\n')
        elif (self.rendererType == "SpriteParticleRenderer"):
            file.write(i2+'# Sprite parameters\n')
            if (self.renderer.getSourceType() ==
                SpriteParticleRenderer.SpriteParticleRenderer.STTexture):
                tex = self.renderer.getTexture()
                file.write(i2+targ + '.renderer.setTexture(loader.loadTexture(\'' + tex.getFilename().getFullpath() + '\'))\n')
            else:
                modelName = self.renderer.getSourceFileName()
                nodeName = self.renderer.getSourceNodeName()
                file.write(i2+targ + '.renderer.setTextureFromNode("%s", "%s")\n' % (modelName, nodeName))
            sColor = self.renderer.getColor()
            file.write(i2+(targ + '.renderer.setColor(Vec4(%.2f, %.2f, %.2f, %.2f))\n' % (sColor[0], sColor[1], sColor[2], sColor[3])))
            file.write(i2+targ + '.renderer.setXScaleFlag(%d)\n' % self.renderer.getXScaleFlag())
            file.write(i2+targ + '.renderer.setYScaleFlag(%d)\n' % self.renderer.getYScaleFlag())
            file.write(i2+targ + '.renderer.setAnimAngleFlag(%d)\n' % self.renderer.getAnimAngleFlag())
            file.write(i2+targ + '.renderer.setInitialXScale(%.4f)\n' % self.renderer.getInitialXScale())
            file.write(i2+targ + '.renderer.setFinalXScale(%.4f)\n' % self.renderer.getFinalXScale())
            file.write(i2+targ + '.renderer.setInitialYScale(%.4f)\n' % self.renderer.getInitialYScale())
            file.write(i2+targ + '.renderer.setFinalYScale(%.4f)\n' % self.renderer.getFinalYScale())
            file.write(i2+targ + '.renderer.setNonanimatedTheta(%.4f)\n' % self.renderer.getNonanimatedTheta())
            blendMethod = self.renderer.getAlphaBlendMethod()
            bMethod = "PPNOBLEND"
            if (blendMethod == BaseParticleRenderer.BaseParticleRenderer.PPNOBLEND):
                bMethod = "PPNOBLEND"
            elif (blendMethod == BaseParticleRenderer.BaseParticleRenderer.PPBLENDLINEAR):
                bMethod = "PPBLENDLINEAR"
            elif (blendMethod == BaseParticleRenderer.BaseParticleRenderer.PPBLENDCUBIC):
                bMethod = "PPBLENDCUBIC"
            file.write(i2+targ + '.renderer.setAlphaBlendMethod(BaseParticleRenderer.' + bMethod + ')\n')
            file.write(i2+targ + '.renderer.setAlphaDisable(%d)\n' % self.renderer.getAlphaDisable())

        file.write(i2+'# Emitter parameters\n')
        emissionType = self.emitter.getEmissionType()
        eType = "ETEXPLICIT"
        if (emissionType == BaseParticleEmitter.BaseParticleEmitter.ETEXPLICIT):
            eType = "ETEXPLICIT"
        elif (emissionType == BaseParticleEmitter.BaseParticleEmitter.ETRADIATE):
            eType = "ETRADIATE"
        elif (emissionType == BaseParticleEmitter.BaseParticleEmitter.ETCUSTOM):
            eType = "ETCUSTOM"
        file.write(i2+targ + '.emitter.setEmissionType(BaseParticleEmitter.' + eType + ')\n')
        file.write(i2+targ + '.emitter.setAmplitude(%.4f)\n' % self.emitter.getAmplitude())
        file.write(i2+targ + '.emitter.setAmplitudeSpread(%.4f)\n' % self.emitter.getAmplitudeSpread())
        oForce = self.emitter.getOffsetForce()
        file.write(i2+(targ + '.emitter.setOffsetForce(Vec3(%.4f, %.4f, %.4f))\n' % (oForce[0], oForce[1], oForce[2])))
        oForce = self.emitter.getExplicitLaunchVector()
        file.write(i2+(targ + '.emitter.setExplicitLaunchVector(Vec3(%.4f, %.4f, %.4f))\n' % (oForce[0], oForce[1], oForce[2])))
        orig = self.emitter.getRadiateOrigin()
        file.write(i2+(targ + '.emitter.setRadiateOrigin(Point3(%.4f, %.4f, %.4f))\n' % (orig[0], orig[1], orig[2])))
        if (self.emitterType == "BoxEmitter"):
            file.write(i2+'# Box parameters\n')
            bound = self.emitter.getMinBound()
            file.write(i2+(targ + '.emitter.setMinBound(Point3(%.4f, %.4f, %.4f))\n' % (bound[0], bound[1], bound[2])))
            bound = self.emitter.getMaxBound()
            file.write(i2+(targ + '.emitter.setMaxBound(Point3(%.4f, %.4f, %.4f))\n' % (bound[0], bound[1], bound[2])))
        elif (self.emitterType == "DiscEmitter"):
            file.write(i2+'# Disc parameters\n')
            file.write(i2+targ + '.emitter.setRadius(%.4f)\n' % self.emitter.getRadius())
            if (eType == "ETCUSTOM"):
                file.write(i2+targ + '.emitter.setOuterAngle(%.4f)\n' % self.emitter.getOuterAngle())
                file.write(i2+targ + '.emitter.setInnerAngle(%.4f)\n' % self.emitter.getInnerAngle())
                file.write(i2+targ + '.emitter.setOuterMagnitude(%.4f)\n' % self.emitter.getOuterMagnitude())
                file.write(i2+targ + '.emitter.setInnerMagnitude(%.4f)\n' % self.emitter.getInnerMagnitude())
                file.write(i2+targ + '.emitter.setCubicLerping(%d)\n' % self.emitter.getCubicLerping())

        elif (self.emitterType == "LineEmitter"):
            file.write(i2+'# Line parameters\n')
            point = self.emitter.getEndpoint1()
            file.write(i2+(targ + '.emitter.setEndpoint1(Point3(%.4f, %.4f, %.4f))\n' % (point[0], point[1], point[2])))
            point = self.emitter.getEndpoint2()
            file.write(i2+(targ + '.emitter.setEndpoint2(Point3(%.4f, %.4f, %.4f))\n' % (point[0], point[1], point[2])))
        elif (self.emitterType == "PointEmitter"):
            file.write(i2+'# Point parameters\n')
            point = self.emitter.getLocation()
            file.write(i2+(targ + '.emitter.setLocation(Point3(%.4f, %.4f, %.4f))\n' % (point[0], point[1], point[2])))
        elif (self.emitterType == "RectangleEmitter"):
            file.write(i2+'# Rectangle parameters\n')
            point = self.emitter.getMinBound()
            file.write(i2+(targ + '.emitter.setMinBound(Point2(%.4f, %.4f))\n' % (point[0], point[1])))
            point = self.emitter.getMaxBound()
            file.write(i2+(targ + '.emitter.setMaxBound(Point2(%.4f, %.4f))\n' % (point[0], point[1])))
        elif (self.emitterType == "RingEmitter"):
            file.write(i2+'# Ring parameters\n')
            file.write(i2+targ + '.emitter.setRadius(%.4f)\n' % self.emitter.getRadius())
            if (eType == "ETCUSTOM"):
                file.write(i2+targ + '.emitter.setAngle(%.4f)\n' % self.emitter.getAngle())
        elif (self.emitterType == "SphereSurfaceEmitter"):
            file.write(i2+'# Sphere Surface parameters\n')
            file.write(i2+targ + '.emitter.setRadius(%.4f)\n' % self.emitter.getRadius())
        elif (self.emitterType == "SphereVolumeEmitter"):
            file.write(i2+'# Sphere Volume parameters\n')
            file.write(i2+targ + '.emitter.setRadius(%.4f)\n' % self.emitter.getRadius())
        elif (self.emitterType == "TangentRingEmitter"):
            file.write(i2+'# Tangent Ring parameters\n')
            file.write(i2+targ + '.emitter.setRadius(%.4f)\n' % self.emitter.getRadius())