// Use this for initialization
void Start()
{
// Get access to the unit we are controlling
unit = GetComponent <Unit>();
// Install an on death function to remove all logic from the unit
unit.installDeathListener(delegate() { root = new Leaf(delegate() { return(BehaviorReturnCode.Success); }); });
////////////////////////////////////////////////////////////////////
///////////////////// PATROLLING/IDLE //////////////////////////
////////////////////////////////////////////////////////////////////
Leaf checkIsPatrolling = new Leaf(delegate()
{
if (unit.patrolling == false)
{
return(BehaviorReturnCode.Failure);
}
return(BehaviorReturnCode.Success);
});
Leaf patrolPath = new Leaf(delegate()
{
// Check if we have a patrol path to make use of
PatrolPath path = unit.GetComponent <PatrolPath>();
if (path != null)
{
unit.setDestination(path.patrolPointHolder.transform.GetChild(path.nextPatrolPoint()).position);
unit.patrolling = true;
return(BehaviorReturnCode.Success);
}
return(BehaviorReturnCode.Failure);
});
Leaf patrolArea = new Leaf(delegate()
{
// If we have a patrol area use that to find our random position
PatrolArea area = unit.GetComponent <PatrolArea>();
if (area == null)
{
return(BehaviorReturnCode.Failure);
}
// Generate our patrol position
Vector3 newTargetPosition = Vector3.zero;
Vector3 patrolPosition = area.patrolAreaObject.transform.position;
float patrolRange = area.patrolAreaObject.transform.localScale.x;
if (unit.findRandomPointOnNavMesh(patrolPosition, patrolRange, out newTargetPosition))
{
// Start moving towards our new random point
unit.setDestination(newTargetPosition);
unit.patrolling = true;
return(BehaviorReturnCode.Success);
}
return(BehaviorReturnCode.Failure);
});
Leaf manualPatrol = new Leaf(delegate()
{
// Check to see if the unit manually patrols
ManualPatrol manualPatrolling = unit.GetComponent <ManualPatrol>();
if (manualPatrolling == null)
{
return(BehaviorReturnCode.Failure);
}
// If the unit manually patrols wait for a new patrol position
if (manualPatrolling.getPatrolConsumed())
{
return(BehaviorReturnCode.Running);
}
// If we have a new patrol position consume it
unit.setDestination(manualPatrolling.getPatrolPosition());
unit.patrolling = true;
return(BehaviorReturnCode.Success);
});
Leaf patrolFollowLeader = new Leaf(delegate()
{
// Check to see if the unit has a leader to follow
FollowLeader leaderToFollow = unit.GetComponent <FollowLeader>();
if (leaderToFollow == null)
{
return(BehaviorReturnCode.Failure);
}
// If the unit has a leader follow it but don't start patrolling. This allows
// the unit to continuously follow the leader as it moves.
unit.setDestination(leaderToFollow.getFollowPosition());
return(BehaviorReturnCode.Success);
});
Leaf patrolRandom = new Leaf(delegate()
{
// If we don't have a defined path generate a random position
Vector3 patrolCenterPosition = transform.position;
float patrolRange = unit.patrolSearchRange;
Vector3 newTargetPosition = Vector3.zero;
// Generate our patrol position
if (unit.findRandomPointOnNavMesh(patrolCenterPosition, patrolRange, out newTargetPosition))
{
// Start moving towards our new random point
unit.setDestination(newTargetPosition);
unit.patrolling = true;
return(BehaviorReturnCode.Success);
}
return(BehaviorReturnCode.Failure);
});
Selector selectPatrolPath = new Selector(checkIsPatrolling, patrolPath, patrolArea, manualPatrol, patrolFollowLeader, patrolRandom);
Leaf sendPatrolToSquad = new Leaf(delegate()
{
SquadLeader squad = unit.GetComponent <SquadLeader>();
if (squad == null)
{
return(BehaviorReturnCode.Success);
}
// If the unit is part of a squad inform the subordinates of a new patrol position
squad.issueNewTroopMovement();
return(BehaviorReturnCode.Success);
});
Leaf waitToReachDestination = new Leaf(delegate()
{
if (unit.isMovingNavMesh() && unit.patrolling)
{
return(BehaviorReturnCode.Running);
}
// If the unit is a follower then don't bother waiting to reach a destination
else if (unit.GetComponent <FollowLeader>() != null)
{
return(BehaviorReturnCode.Failure);
}
else
{
return(BehaviorReturnCode.Success);
}
});
Leaf stopRunning = new Leaf(delegate()
{
unit.anim.SetBool("Running", false);
unit.agent.isStopped = true;
return(BehaviorReturnCode.Success);
});
Leaf playIdleAnim = new Leaf(delegate()
{
unit.anim.SetTrigger("PatrolIdleAnim1Trigger");
return(BehaviorReturnCode.Success);
});
RandomBehavior idleRand = new RandomBehavior(.1f, playIdleAnim);
Timer playIdleAnimTimer = new Timer(1.0f, idleRand);
Leaf stopPatrolling = new Leaf(delegate()
{
unit.patrolling = false;
return(BehaviorReturnCode.Success);
});
Timer stopPatrollingTimer = new Timer(unit.patrolWaitTime, stopPatrolling);
StateSequence patrolLogic = new StateSequence(selectPatrolPath, sendPatrolToSquad, waitToReachDestination, stopRunning, playIdleAnimTimer, stopPatrollingTimer);
////////////////////////////////////////////////////////////////////
///////////////////// AGGRO/ATTACKING //////////////////////////
////////////////////////////////////////////////////////////////////
Leaf dropTargetLogic = new Leaf(delegate()
{
// If we don't have a target continue
if (unit.target == null)
{
return(BehaviorReturnCode.Success);
}
// If our target is dying search for a new one
if (unit.target.isUnitDying())
{
unit.target = null;
}
// If our target it outside of our aggro radius clear it
if (unit.distanceToTarget() > unit.enemySearchRadius)
{
unit.target = null;
}
return(BehaviorReturnCode.Success);
});
Leaf acquireTarget = new Leaf(delegate()
{
// If we already have a living target just return success
if (unit.target != null)
{
return(BehaviorReturnCode.Success);
}
// Search for the closest enemy
IUnit foundTarget = unit.findClosestTarget();
// If we were able to find a target return success, otherwise we failed
if (foundTarget != null)
{
// If we find a new target stop patrolling
unit.patrolling = false;
unit.target = foundTarget;
return(BehaviorReturnCode.Success);
}
else
{
return(BehaviorReturnCode.Failure);
}
});
Leaf checkToAttack = new Leaf(delegate()
{
// If we are already attacking continue
if (unit.attacking)
{
return(BehaviorReturnCode.Success);
}
// Check if our target is within the attack radius and isn't already dying
if (unit.distanceToTarget() <= unit.attackRadius)
{
// Face the target
Quaternion lookRot = Quaternion.LookRotation(unit.target.getGameObject().transform.position - unit.transform.position);
unit.transform.rotation = Quaternion.Euler(0, lookRot.eulerAngles.y, 0);
// Stop the navmesh agent
unit.agent.isStopped = true;
// Stop running
unit.anim.SetBool("Running", false);
// Play our attack animation
unit.anim.SetTrigger("AttackTrigger");
unit.attacking = true;
}
else
{
unit.attacking = false;
}
return(BehaviorReturnCode.Success);
});
Leaf moveToTarget = new Leaf(delegate()
{
// If we're still attacking wait to finish
if (unit.attacking == true)
{
return(BehaviorReturnCode.Success);
}
// Start moving towards our target
unit.setDestination(unit.target.getGameObject().transform.position);
return(BehaviorReturnCode.Success);
});
Sequence attackSequence = new Sequence(dropTargetLogic, acquireTarget, checkToAttack, moveToTarget);
////////////////////////////////////////////////////////////////////
////////////////////////// ROOT ////////////////////////////////
////////////////////////////////////////////////////////////////////
root = new Selector(attackSequence, patrolLogic);
}