v1.4.4

attic/npcs/aviansentry/behavior.lua

@@ -0,0 +1,137 @@
+function init()
+  self.sensors = sensors.create()
+
+  self.state = stateMachine.create({
+    "moveState",
+    "cleanState",
+    "attackState"
+  })
+  self.state.leavingState = function(stateName)
+    entity.setAnimationState("movement", "idle")
+  end
+
+  entity.setAggressive(false)
+  entity.setDeathParticleBurst("deathPoof")
+  entity.setAnimationState("movement", "idle")
+end
+
+function update(dt)
+  self.state.update(dt)
+  self.sensors.clear()
+end
+
+function damage(args)
+  self.state.pickState(args.sourceId)
+end
+
+function move(direction)
+  entity.setAnimationState("movement", "move")
+
+  mcontroller.controlMove(direction, true)
+end
+
+--------------------------------------------------------------------------------
+moveState = {}
+
+function moveState.enter()
+  local direction
+  if math.random(100) > 50 then
+    direction = 1
+  else
+    direction = -1
+  end
+
+  return {
+    timer = entity.randomizeParameterRange("moveTimeRange"),
+    direction = direction
+  }
+end
+
+function moveState.update(dt, stateData)
+  if self.sensors.collisionSensors.collision.any(true) then
+    stateData.direction = -stateData.direction
+  end
+
+  move(stateData.direction)
+
+  stateData.timer = stateData.timer - dt
+  if stateData.timer <= 0 then
+    return true, 1.0
+  end
+
+  return false
+end
+
+--------------------------------------------------------------------------------
+cleanState = {}
+
+function cleanState.enter()
+  return { timer = entity.randomizeParameterRange("cleanTimeRange") }
+end
+
+function cleanState.update(dt, stateData)
+  stateData.timer = stateData.timer - dt
+  return stateData.timer <= 0
+end
+
+--------------------------------------------------------------------------------
+attackState = {}
+
+function attackState.enterWith(targetId)
+  if targetId == 0 then return nil end
+
+  attackState.setAggressive(targetId)
+
+  return { timer = entity.configParameter("attackTargetHoldTime") }
+end
+
+function attackState.update(dt, stateData)
+  util.trackExistingTarget()
+
+  if self.targetPosition ~= nil then
+    local toTarget = world.distance(self.targetPosition, mcontroller.position())
+
+    if world.magnitude(toTarget) < entity.configParameter("attackDistance") then
+      attackState.setAttackEnabled(true)
+    else
+      attackState.setAttackEnabled(false)
+      move(util.toDirection(toTarget[1]))
+    end
+  end
+
+  if self.targetId == nil then
+    stateData.timer = stateData.timer - dt
+  else
+    stateData.timer = entity.configParameter("attackTargetHoldTime")
+  end
+
+  if stateData.timer <= 0 then
+    attackState.setAttackEnabled(false)
+    attackState.setAggressive(nil)
+    return true
+  else
+    return false
+  end
+end
+
+function attackState.setAttackEnabled(enabled)
+  if enabled then
+    entity.setAnimationState("movement", "attack")
+  else
+    entity.setAnimationState("movement")
+  end
+
+  entity.setDamageOnTouch(enabled)
+end
+
+function attackState.setAggressive(targetId)
+  self.targetId = targetId
+
+  if targetId ~= nil then
+    entity.setAnimationState("movement")
+    entity.setAggressive(true)
+  else
+    entity.setAnimationState("movement", "idle")
+    entity.setAggressive(false)
+  end
+end