panda3d/direct/src/particles/Particles.py

from PandaModules import *
from ParticleManagerGlobal import *
from PhysicsManagerGlobal import *

import ParticleSystem
import BaseParticleFactory
import PointParticleFactory
import ZSpinParticleFactory
import OrientedParticleFactory
import BaseParticleRenderer
import PointParticleRenderer
import LineParticleRenderer
import GeomParticleRenderer
import SparkleParticleRenderer
import SpriteParticleRenderer
import BaseParticleEmitter
import BoxEmitter
import DiscEmitter
import LineEmitter
import PointEmitter
import RectangleEmitter
import RingEmitter
import SphereSurfaceEmitter
import SphereVolumeEmitter
import TangentRingEmitter
import string
import os
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 = hidden.attachNewNode(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()
        self.node = None
        self.factory = None
        self.renderer = None
        self.emitter = None

    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 = hidden.attachNewNode(NamedNode('default-geom'))
            # This was moved here because we do not want to download
            # the direct tools with toontown.
            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):
                t = loader.loadTexture('phase_3/maps/eyes.jpg')
                if (t == None):
                    print "Couldn't find default texture: evil_eye.rgb!"
                    return None
                self.renderer.setTexture(t)
            else:
                # Use default model file and node
                # See 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)"""
        file.write('# Particles parameters\n')
        file.write(targ + '.setFactory(\"' + self.factoryType + '\")\n')
        file.write(targ + '.setRenderer(\"' + self.rendererType + '\")\n')
        file.write(targ + '.setEmitter(\"' + self.emitterType + '\")\n')

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

        file.write('# 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(targ + '.renderer.setAlphaMode(BaseParticleRenderer.' + aMode + ')\n')
        file.write(targ + '.renderer.setUserAlpha(%.2f)\n' % \
                                        self.renderer.getUserAlpha())
        if (self.rendererType == "Point"):
            file.write('# Point parameters\n')
            file.write(targ + '.renderer.setPointSize(%.2f)\n' % \
                                        self.renderer.getPointSize())
            sColor = self.renderer.getStartColor()
            file.write((targ + '.renderer.setStartColor(Vec4(%.2f, %.2f, %.2f, %.2f))\n' % (sColor[0], sColor[1], sColor[2], sColor[3]))) 
            sColor = self.renderer.getEndColor()
            file.write((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(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(targ + '.renderer.setBlendMethod(BaseParticleRenderer.' + bMethod + ')\n')
        elif (self.rendererType == "LineParticleRenderer"):
            file.write('# Line parameters\n')
            sColor = self.renderer.getHeadColor()
            file.write((targ + '.renderer.setHeadColor(Vec4(%.2f, %.2f, %.2f, %.2f))\n' % (sColor[0], sColor[1], sColor[2], sColor[3])))
            sColor = self.renderer.getTailColor()
            file.write((targ + '.renderer.setTailColor(Vec4(%.2f, %.2f, %.2f, %.2f))\n' % (sColor[0], sColor[1], sColor[2], sColor[3])))
        elif (self.rendererType == "GeomParticleRenderer"):
            file.write('# Geom parameters\n')
            node = self.renderer.getGeomNode()
            file.write(targ + '.renderer.setGeomNode(' + node.getName() + ')\n')
        elif (self.rendererType == "SparkleParticleRenderer"):
            file.write('# Sparkle parameters\n')
            sColor = self.renderer.getCenterColor()
            file.write((targ + '.renderer.setCenterColor(Vec4(%.2f, %.2f, %.2f, %.2f))\n' % (sColor[0], sColor[1], sColor[2], sColor[3])))
            sColor = self.renderer.getEdgeColor()
            file.write((targ + '.renderer.setEdgeColor(Vec4(%.2f, %.2f, %.2f, %.2f))\n' % (sColor[0], sColor[1], sColor[2], sColor[3])))
            file.write(targ + '.renderer.setBirthRadius(%.4f)\n' % self.renderer.getBirthRadius())
            file.write(targ + '.renderer.setDeathRadius(%.4f)\n' % self.renderer.getDeathRadius())
            lifeScale = self.renderer.getLifeScale()
            lScale = "SPNOSCALE"
            if (lifeScale == SparkleParticleRenderer.SparkleParticleRenderer.SPSCALE):
                lScale = "SPSCALE"
            file.write(targ + '.renderer.setLifeScale(SparkleParticleRenderer.' + lScale + ')\n')
        elif (self.rendererType == "SpriteParticleRenderer"):
            file.write('# Sprite parameters\n')
            if (self.renderer.getSourceType() ==
                SpriteParticleRenderer.SpriteParticleRenderer.STTexture):
                tex = self.renderer.getTexture()
                file.write(targ + '.renderer.setTexture(loader.loadTexture(\'' + tex.getName() + '\'))\n')
            else:
                modelName = self.renderer.getSourceFileName()
                nodeName = self.renderer.getSourceNodeName()
                file.write(targ + '.renderer.setTextureFromNode("%s", "%s")\n' % (modelName, nodeName))
            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())
            file.write(targ + '.renderer.setYScaleFlag(%d)\n' % self.renderer.getYScaleFlag())
            file.write(targ + '.renderer.setAnimAngleFlag(%d)\n' % self.renderer.getAnimAngleFlag())
            file.write(targ + '.renderer.setInitialXScale(%.4f)\n' % self.renderer.getInitialXScale())
            file.write(targ + '.renderer.setFinalXScale(%.4f)\n' % self.renderer.getFinalXScale())
            file.write(targ + '.renderer.setInitialYScale(%.4f)\n' % self.renderer.getInitialYScale())
            file.write(targ + '.renderer.setFinalYScale(%.4f)\n' % self.renderer.getFinalYScale())
            file.write(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(targ + '.renderer.setAlphaBlendMethod(BaseParticleRenderer.' + bMethod + ')\n')
            file.write(targ + '.renderer.setAlphaDisable(%d)\n' % self.renderer.getAlphaDisable())

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

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