129 lines
4.5 KiB
Python
129 lines
4.5 KiB
Python
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from direct.directnotify import DirectNotifyGlobal
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from direct.showbase.ShadowPlacer import ShadowPlacer
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from panda3d.core import *
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from otp.otpbase import OTPGlobals
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globalDropShadowFlag = 1
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def setGlobalDropShadowFlag(flag):
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global globalDropShadowFlag
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if flag != globalDropShadowFlag:
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globalDropShadowFlag = flag
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messenger.send('globalDropShadowFlagChanged')
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globalDropShadowGrayLevel = 0.5
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def setGlobalDropShadowGrayLevel(grayLevel):
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global globalDropShadowGrayLevel
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if grayLevel != globalDropShadowGrayLevel:
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globalDropShadowGrayLevel = grayLevel
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messenger.send('globalDropShadowGrayLevelChanged')
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class ShadowCaster:
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notify = DirectNotifyGlobal.directNotify.newCategory('ShadowCaster')
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def __init__(self, squareShadow = False):
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if squareShadow:
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self.shadowFileName = 'phase_3/models/props/square_drop_shadow'
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else:
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self.shadowFileName = 'phase_3/models/props/drop_shadow'
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self.dropShadow = None
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self.shadowPlacer = None
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self.activeShadow = 0
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self.wantsActive = 1
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self.storedActiveState = 0
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if hasattr(base, 'wantDynamicShadows') and base.wantDynamicShadows:
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messenger.accept('globalDropShadowFlagChanged', self, self.__globalDropShadowFlagChanged)
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messenger.accept('globalDropShadowGrayLevelChanged', self, self.__globalDropShadowGrayLevelChanged)
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def delete(self):
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if hasattr(base, 'wantDynamicShadows') and base.wantDynamicShadows:
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messenger.ignore('globalDropShadowFlagChanged', self)
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messenger.ignore('globalDropShadowGrayLevelChanged', self)
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self.deleteDropShadow()
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self.shadowJoint = None
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def initializeDropShadow(self, hasGeomNode = True):
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self.deleteDropShadow()
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if hasGeomNode:
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self.getGeomNode().setTag('cam', 'caster')
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dropShadow = loader.loadModel(self.shadowFileName)
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dropShadow.setScale(0.4)
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dropShadow.flattenMedium()
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dropShadow.setBillboardAxis(2)
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dropShadow.setColor(0.0, 0.0, 0.0, globalDropShadowGrayLevel, 1)
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self.shadowPlacer = ShadowPlacer(base.shadowTrav, dropShadow, OTPGlobals.WallBitmask, OTPGlobals.FloorBitmask)
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self.dropShadow = dropShadow
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if not globalDropShadowFlag:
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self.dropShadow.hide()
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if self.getShadowJoint():
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dropShadow.reparentTo(self.getShadowJoint())
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else:
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self.dropShadow.hide()
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self.setActiveShadow(self.wantsActive)
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self.__globalDropShadowFlagChanged()
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self.__globalDropShadowGrayLevelChanged()
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def update(self):
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pass
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def deleteDropShadow(self):
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if self.shadowPlacer:
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self.shadowPlacer.delete()
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self.shadowPlacer = None
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if self.dropShadow:
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self.dropShadow.removeNode()
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self.dropShadow = None
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def setActiveShadow(self, isActive = 1):
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isActive = isActive and self.wantsActive
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if not globalDropShadowFlag:
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self.storedActiveState = isActive
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if self.shadowPlacer != None:
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isActive = isActive and globalDropShadowFlag
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if self.activeShadow != isActive:
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self.activeShadow = isActive
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if isActive:
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self.shadowPlacer.on()
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else:
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self.shadowPlacer.off()
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def setShadowHeight(self, shadowHeight):
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if self.dropShadow:
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self.dropShadow.setZ(-shadowHeight)
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def getShadowJoint(self):
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if hasattr(self, 'shadowJoint'):
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return self.shadowJoint
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shadowJoint = self.find('**/attachShadow')
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if shadowJoint.isEmpty():
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self.shadowJoint = NodePath(self)
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else:
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self.shadowJoint = shadowJoint
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return self.shadowJoint
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def hideShadow(self):
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self.dropShadow.hide()
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def showShadow(self):
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if not globalDropShadowFlag:
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self.dropShadow.hide()
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else:
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self.dropShadow.show()
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def __globalDropShadowFlagChanged(self):
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if self.dropShadow != None:
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if globalDropShadowFlag == 0:
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if self.activeShadow == 1:
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self.storedActiveState = 1
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self.setActiveShadow(0)
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elif self.activeShadow == 0:
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self.setActiveShadow(1)
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self.showShadow()
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def __globalDropShadowGrayLevelChanged(self):
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if self.dropShadow != None:
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self.dropShadow.setColor(0.0, 0.0, 0.0, globalDropShadowGrayLevel, 1)
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