#!/usr/bin/python
# -*- coding: utf-8 -*-

#esential python libs
import os, sys
from exceptions import *

#import esential panda libs
from panda3d.core import *
from direct.showbase.ShowBase import ShowBase
from direct.stdpy.file import *

from direct.filter.CommonFilters import CommonFilters

#from panda3d.bullet import *

import loaders
import math

class Starboard(ShowBase):
    def __init__(self, args):
        ShowBase.__init__(self)
        self.args = args
        self.isRunning = False
        render.setShaderAuto()
        render.setAntialias(AntialiasAttrib.MMultisample)

        #lights
        ambientLight = AmbientLight('ambientLight')
        ambientLight.setColor(Vec4(0.5, 0.5, 0.5, 1) * 0.5)
        ambientLightNP = render.attachNewNode(ambientLight)
        render.setLight(ambientLightNP)

        dlight = DirectionalLight('dlight')
        dlight.setColor(VBase4(0.8, 0.8, 0.5, 1) * 2)
        self.dlnp = render.attachNewNode(dlight)
        self.dlnp.setHpr(-90, 0, 0)
        render.setLight(self.dlnp)

        plight = PointLight('plight')
        plight.setColor(VBase4(0.2, 0.2, 0.2, 1) * 7)
        plight.setShadowCaster(True, 512, 512)
        self.plnp = render.attachNewNode(plight)
        self.plnp.setPos(0, 40, 10)
        render.setLight(self.plnp)

        self.skybox = loaders.loadSkybox('OmegaClusterSkybox')

        self.testobject = loaders.loadObject('Drone')
        self.testobject.reparentTo(self.render)
        self.testobject.setPos(0,0,0)

        plasma = Material()
        plasma.setAmbient(VBase4(0,0,1,1))
        plasma.setEmission(500)
        self.testobject.find('**/motor').setMaterial(plasma)

        self.camera.setPos(12,40,8)

        self.time = 0

        def update(task):
            dt = globalClock.getDt()
            self.time += dt
            fac = 10
            self.plnp.setPos(math.sin(self.time) * fac, self.testobject.getPos()[1]+math.cos(self.time) * fac, math.cos(self.time) * fac)
            cur = self.testobject.getPos()
            if self.isRunning:
                cur += LPoint3f(0,1,0) * dt * 3.5
            self.testobject.setPos(cur)
            self.skybox.setPos(camera.getPos())
            self.camera.lookAt(self.testobject)
            return task.cont

        self.taskMgr.add(update, 'update')

        def switchRun():
            self.isRunning = not self.isRunning

        self.accept('p', switchRun, [])

        filters = CommonFilters(self.win, self.cam)
        #filters.setAmbientOcclusion(numsamples=64, radius=0.01, amount=2.0, strength=0.01)
        filters.setBloom(size = "small", intensity = 1.2, mintrigger = 0.7, maxtrigger = 3)

        self.disableMouse()