tree1.py

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global runtree, game, rootOp, Character, Controller

#Create root op, root of the whole op tree
rootOp = object('ScriptVM.DynamicOp')
rootOp.Desc = 'Event Mission Assigned'

#Get the first area in level's list
area = None
if game.areas:
    area = game.areas[0]

#Create event op
testEvt = object('ScriptVM.DynamicEvent')
testEvt.Desc = 'AttachEvent Area5,Entered'
testEvt.EventSource = Character
testEvt.EventName = 'Entered'
cond = {}
if area:
    cond['Area'] = area
testEvt.Conditions = cond
testEvt.MaxTriggers = 2

#Create timer op
timerOp = object('ScriptVM.DynamicOp')
timerOp.Desc = 'AddTimer 10s'
timerOp.SetDelay(0, 10.0)

#Define a callback function
def healthCheck():
    global Character
    print 'In custom health check callback!'
    return Character.GetHealth() > 7

callbackVar = object('ScriptVM.DynamicVar')
callbackVar.Value = healthCheck
    
#Create script condition op
scriptOp = object('ScriptVM.DynOp_Script')
scriptOp.Desc = 'IfScript healthCheck'
scriptOp.ConnectVar(callbackVar)

#Create placeholder for "mission completed" action
completeOp = object('ScriptVM.DynamicOp')
completeOp.Desc = 'Completed'
#Create placeholder for "mission failed" action
failOp = object('ScriptVM.DynamicOp')
failOp.Desc = 'Failed'

#Create disable op to stop testEvt
disableOp1 = object('ScriptVM.DynOp_Disable')
disableOp1.Desc = 'Disable Area5,Entered'
disableOp2 = object('ScriptVM.DynOp_Disable')
disableOp2.Desc = 'Disable Failure Timer'

#Connect up node tree
rootOp.ConnectTo(testEvt)
rootOp.ConnectTo(timerOp)

testEvt.ConnectTo(scriptOp)
testEvt.ConnectTo(disableOp2)

timerOp.ConnectTo(disableOp1)

#ScriptOp triggers completeOp on TRUE result, failOp on FALSE result
scriptOp.ConnectTo(completeOp, None, 0) #True link
scriptOp.ConnectTo(failOp, None, 1) #False link

#DisableOp1 disables testEvt and triggers failOp
disableOp1.ConnectTo(testEvt, None, 0) #Disable link
disableOp1.ConnectTo(failOp, None, 1) #Trigger link

disableOp2.ConnectTo(disableOp1, None, 0)

runtree(rootOp, globals())