Enderal SE
https://mod.pub/enderal-se/38-enderal-se
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307 lines
8.3 KiB
307 lines
8.3 KiB
scriptname critterBird extends critter
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{behavior script for basic bird};[USKP 2.0.1]
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;!{behavior script for basic fish}
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;======================================================================================;
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; IMPORTS /
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;=============/
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; include scripts for brevity
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import utility
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import form
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import math
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import debug
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;======================================================================================;
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; PROPERTIES /
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;=============/
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FormList property perchTypeList auto
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{formlist of perches I look for}
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float property fMinScale = 0.5 auto
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{how small can this thing get? Default=0.5}
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float property fMaxScale = 1.5 auto
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{how big can it get? Default = 1.5}
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float property fMinHop = 8.0 auto
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{minimum distance to hop. Default: 8}
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float property fMaxHop = 32.0 auto
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{max distance to hop. Default:32}
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float property leashLength = 256.0 auto
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{how far from home can I roam? Treat like a radius. Default = 256.0}
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float property fSpeed = 150.0 auto
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{Speed of base movement. Default= 150}
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string property sState auto hidden
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{current behavior state of the bird. NOT a papyrus state}
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; Valid State Values:
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; inFlight
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; onPerch ; perch basically anywhere I've landed but cannot hop along.
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; onGround
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int property iEnergy = 50 auto hidden
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{internal energy value 1-100. Default at spawn: 50}
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objectReference property goalPerch auto hidden
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{Internally track reserved perch reference}
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;======================================================================================;
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; VARIABLES /
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;=============/
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objectReference player
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; save player reference for later brevity.
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int iDice
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; integer we'll use and re-use for quick random decision rolls
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;======================================================================================;
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; EVENTS /
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;=============/
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EVENT onStart() ; critter event called when spawned
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;trace("startup bird: " + self)
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; scale a little bit for visual variance
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setScale((randomFloat(fMinScale, fMaxScale)))
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; enable after scale, matching other critters [USKP 2.0.1]
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Enable()
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; need 3D before keyframed [USKP 2.0.1]
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if !CheckFor3D(self)
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DisableAndDelete(false)
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return
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endif
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; use keyframed motion
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setMotionType(Motion_Keyframed, false)
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;check for Spawner override of leash length
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if spawner.fLeashOverride != 0
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leashLength = spawner.fLeashOverride
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endif
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;save off the player reference for brevity
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player = game.getPlayer()
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; go to idle swim state and poll
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sState = "onGround"
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if sState == ""
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;trace(self + " has sState of " + sState + ", something is wrong")
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endif
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gotoState("idling")
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registerForSingleUpdate(0.0)
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endEVENT
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STATE idling
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EVENT onUpdate()
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; begin main loop of bird behavior
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if CheckViableDistance()
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if (spawner && spawner.isActiveTime())
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; spawner is active this time of day
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; first things first - call home if too far away.
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if getDistance(spawner) > leashLength
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;trace(self + " is too far from spawner. Fly Home")
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if sState == "inFlight"
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gotoState("Flying")
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flyAwayHome()
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else
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takeFlight()
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endif
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endif
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; if we were trying to reach a perch point, land at it now
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if goalPerch != NONE
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;trace(self + " has a goal perch: " + goalPerch)
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if getDistance(goalPerch) < 32
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gotoState("Flying")
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landAtPerch(goalPerch)
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endif
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endif
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; if nothing higher priority, then proceed with regular behavior decision
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if sState == "inFlight"
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;trace(self + " is in flight, choosing relevant behavior")
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; choose from in-flight behaviors
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iDice == randomInt(1,2)
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if iDice == 1
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; look for a perch object/node
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ObjectReference goal = findPerch()
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if goal != NONE
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flyToPerch(goal)
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endif
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elseif iDice == 2
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;trace(self + " is in flight and wants to fly more")
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; fly some more
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flyTo(player)
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endif
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elseif sState == "perched"
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;trace(self + " is perched, choosing relevant behavior")
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; choose from perch behaviors
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iDice = randomInt(1,3)
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if iDice == 1
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playIdle()
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elseif iDice == 2
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takeFlight()
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elseif iDice == 3
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groundHop()
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endif
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elseif sState == "onGround"
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;trace(self + " is on the ground, choosing relevant behavior")
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; choose from ground behaviors
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iDice = randomInt(1,3)
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if iDice == 1
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playIdle()
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elseif iDice == 2
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takeFlight()
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elseif iDice == 3
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groundHop()
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endif
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endif
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endif
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bCalculating = False; [USKP 2.0.4]
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endif
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endEVENT
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endSTATE
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STATE Flying
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EVENT onTranslationComplete()
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;trace(self + " done with translation. Idle now.")
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gotoState("idling")
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registerForSingleUpdate(0.0)
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endEVENT
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endSTATE
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;======================================================================================;
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; FUNCTIONS /
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;=============/
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FUNCTION groundHop()
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;trace(self + " beginning groundHop()")
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;/// [USKP]
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; Set up variables to solve for right triangle ABC
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; c is the hypotenuse - think of it as the path along which the bird hops
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; the a and c values are going to be added to current XY to determine goal XY
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float aA = getAngleZ() ; B
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float aB ; /|
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float aC = 90 ; c/ |b ; we know angle C is 90 because it's a right triangleukhj/p-
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float a ; A/____|C
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float b ; a
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float c = randomFloat(fMinHop, fMaxHop)
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; use an int to track the quadrant into which we're hopping (global)
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; I:(+,+) II:(-,+) III:(-,-) IV:(+,-)
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int quadrant
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if (aA > 0 && aA <= 90) || aA > 360
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quadrant = 1
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elseif aA > 90 && aA <= 180
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quadrant = 4
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elseif aA > 180 && aA <= 270
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quadrant = 3
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elseif aA > 270 && aA <= 360
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quadrant = 2
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endif
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a = c*(cos(aB))
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b = c*(cos(aA))
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float newX
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float newY
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if quadrant == 1
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newX = (self.x + a)
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newY = (self.y + b)
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elseif quadrant == 2
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newX = (self.x - a)
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newY = (self.y + b)
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elseif quadrant == 3
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newX = (self.x - a)
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newY = (self.y - b)
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elseif quadrant == 4
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newX = (self.x + a)
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newY = (self.y - b)
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endif
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///;
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; Sclerocephalus replacement [USKP 2.0.3]
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Float AngleZ = self.GetAngleZ()
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Float HopDistance = RandomFloat(fMinHop, fMaxHop)
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Float NewX = self.X + HopDistance * Cos(AngleZ)
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Float NewY = self.Y + HopDistance * Sin(AngleZ)
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if CheckViability()
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return
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endIf
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; now use a spline to "hop" there quicky.
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;! SplineTranslateTo(newX, newY, self.z, 0, 0, self.getAngleZ(), 300, fSpeed)
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SplineTranslateTo(newX, newY, self.Z, 0, 0, AngleZ, 300, fSpeed)
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;trace(self + "performing a short hop to: " + newX + ", " + newY + ".")
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; test, but a little pause between each seems proper.
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wait(randomFloat(0.1, 2.0))
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endFUNCTION
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FUNCTION takeFlight()
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if CheckViability()
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return
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endIf
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;trace(self + " is taking flight")
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playAnimationAndWait("takeOff","end")
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sState = "inFlight"
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SplinetranslateTo(self.X, self.Y, self.Z + 64, 0, 0, self.getAngleZ(), 50, fSpeed/2)
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endFUNCTION
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FUNCTION FlyTo(objectReference goal)
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if CheckViability()
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return
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endIf
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;trace(self + " is flying to point: " + goal)
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; quick and dirty - just go right to the point.
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SplinetranslateTo(goal.X, goal.Y, goal.Z + 64, 0, 0, self.getAngleZ(), 200, fSpeed)
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endFUNCTION
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FUNCTION playIdle()
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; just have to be aware of the valid behaviors we can choose from.
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; long-term may want to use an array/list and be able to choose dynamically
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iDice = randomInt(1,2)
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if iDice == 1
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playAnimationAndWait("StartGrndPeck","StartGrndLook")
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elseif iDice == 2
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playAnimationAndWait("startGrndFlap","StartGrndLook")
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endif
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endFUNCTION
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FUNCTION landAtPerch(objectReference goal)
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if CheckViability()
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return
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endIf
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SplineTranslateTo(goal.x, goal.y, goal.z, 0, 0, randomFloat(0.0, 360.0), 300, fSpeed/2)
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playAnimationAndWait("startGrndFlap","StartGrndLook")
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endFUNCTION
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objectReference FUNCTION findPerch()
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int size = perchTypeList.getSize()
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int i = 0
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bool checking = true
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while i < size && checking == true
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form perchType = perchTypeList.getAt(i)
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i += 1
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objectReference goal = game.FindRandomReferenceOfTypeFromRef(perchType, spawner, leashLength)
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if goal != NONE
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checking = false
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;trace(self + "found a perch: " + goal)
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critterPerch perchScript = goal as critterPerch
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if perchScript.reserved != true
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perchScript.reserved = true
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perchScript.incoming = self
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return goal
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else
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;trace(self + " found a perch, but it was reserved!")
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return NONE
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endif
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;trace(self + " couldn't find a perch")
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return NONE
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endif
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endWhile
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endFUNCTION
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FUNCTION flyToPerch(objectReference goal)
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; quick and dirty
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flyTo(goal)
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endFUNCTION
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FUNCTION flyAwayHome()
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flyTo(spawner)
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endFUNCTION
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