Poodletooth-iLand/otp/avatar/ShadowCaster.py
2015-03-03 17:10:12 -05:00

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4.5 KiB
Python

from direct.directnotify import DirectNotifyGlobal
from direct.showbase.ShadowPlacer import ShadowPlacer
from pandac.PandaModules import *
from otp.otpbase import OTPGlobals
globalDropShadowFlag = 1
def setGlobalDropShadowFlag(flag):
global globalDropShadowFlag
if flag != globalDropShadowFlag:
globalDropShadowFlag = flag
messenger.send('globalDropShadowFlagChanged')
globalDropShadowGrayLevel = 0.5
def setGlobalDropShadowGrayLevel(grayLevel):
global globalDropShadowGrayLevel
if grayLevel != globalDropShadowGrayLevel:
globalDropShadowGrayLevel = grayLevel
messenger.send('globalDropShadowGrayLevelChanged')
class ShadowCaster:
notify = DirectNotifyGlobal.directNotify.newCategory('ShadowCaster')
def __init__(self, squareShadow = False):
if squareShadow:
self.shadowFileName = 'phase_3/models/props/square_drop_shadow'
else:
self.shadowFileName = 'phase_3/models/props/drop_shadow'
self.dropShadow = None
self.shadowPlacer = None
self.activeShadow = 0
self.wantsActive = 1
self.storedActiveState = 0
if hasattr(base, 'wantDynamicShadows') and base.wantDynamicShadows:
messenger.accept('globalDropShadowFlagChanged', self, self.__globalDropShadowFlagChanged)
messenger.accept('globalDropShadowGrayLevelChanged', self, self.__globalDropShadowGrayLevelChanged)
def delete(self):
if hasattr(base, 'wantDynamicShadows') and base.wantDynamicShadows:
messenger.ignore('globalDropShadowFlagChanged', self)
messenger.ignore('globalDropShadowGrayLevelChanged', self)
self.deleteDropShadow()
self.shadowJoint = None
def initializeDropShadow(self, hasGeomNode = True):
self.deleteDropShadow()
if hasGeomNode:
self.getGeomNode().setTag('cam', 'caster')
dropShadow = loader.loadModel(self.shadowFileName)
dropShadow.setScale(0.4)
dropShadow.flattenMedium()
dropShadow.setBillboardAxis(2)
dropShadow.setColor(0.0, 0.0, 0.0, globalDropShadowGrayLevel, 1)
self.shadowPlacer = ShadowPlacer(base.shadowTrav, dropShadow, OTPGlobals.WallBitmask, OTPGlobals.FloorBitmask)
self.dropShadow = dropShadow
if not globalDropShadowFlag:
self.dropShadow.hide()
if self.getShadowJoint():
dropShadow.reparentTo(self.getShadowJoint())
else:
self.dropShadow.hide()
self.setActiveShadow(self.wantsActive)
self.__globalDropShadowFlagChanged()
self.__globalDropShadowGrayLevelChanged()
def update(self):
pass
def deleteDropShadow(self):
if self.shadowPlacer:
self.shadowPlacer.delete()
self.shadowPlacer = None
if self.dropShadow:
self.dropShadow.removeNode()
self.dropShadow = None
def setActiveShadow(self, isActive = 1):
isActive = isActive and self.wantsActive
if not globalDropShadowFlag:
self.storedActiveState = isActive
if self.shadowPlacer != None:
isActive = isActive and globalDropShadowFlag
if self.activeShadow != isActive:
self.activeShadow = isActive
if isActive:
self.shadowPlacer.on()
else:
self.shadowPlacer.off()
def setShadowHeight(self, shadowHeight):
if self.dropShadow:
self.dropShadow.setZ(-shadowHeight)
def getShadowJoint(self):
if hasattr(self, 'shadowJoint'):
return self.shadowJoint
shadowJoint = self.find('**/attachShadow')
if shadowJoint.isEmpty():
self.shadowJoint = NodePath(self)
else:
self.shadowJoint = shadowJoint
return self.shadowJoint
def hideShadow(self):
self.dropShadow.hide()
def showShadow(self):
if not globalDropShadowFlag:
self.dropShadow.hide()
else:
self.dropShadow.show()
def __globalDropShadowFlagChanged(self):
if self.dropShadow != None:
if globalDropShadowFlag == 0:
if self.activeShadow == 1:
self.storedActiveState = 1
self.setActiveShadow(0)
elif self.activeShadow == 0:
self.setActiveShadow(1)
self.showShadow()
def __globalDropShadowGrayLevelChanged(self):
if self.dropShadow != None:
self.dropShadow.setColor(0.0, 0.0, 0.0, globalDropShadowGrayLevel, 1)