/// <summary>
/// get closest npc
/// </summary>
/// <returns>returns closest npc</returns>
private NPCScript _getClosest()
{
NPCScript cur = null;
float curDist = float.MaxValue;
foreach (NPCGuardZone zone in m_CurrentZones)
{
for (int i = 0; i < zone.npc_list.Count; i++)
{
NPCScript npc = zone.npc_list[i];
if (npc.isDead)
{
continue;
}
if (npc.npcState != NPCScript.NPCState.Chase)
{
float dist = Vector3.Distance(m_Player.transform.position, npc.transform.position);
if (dist < curDist)
{
curDist = dist;
cur = npc;
}
}
}
}
return(cur);
}
void _createNPCScript()
{
NPCScript npcscript = character.GetComponent <NPCScript>();
if (!npcscript)
{
npcscript = Undo.AddComponent <NPCScript>(character);
}
npcscript.blockOdds = 10;
npcscript.attackInterval = 1.0f;
Transform sweepCapsule = Utils.FindChildTransformByName(character.transform, "AttackSweepCapsule");
Rigidbody sweepBody = null;
if (!sweepCapsule)
{
Debug.Log("Creating attack sweep capsule");
sweepBody = Resources.Load <Rigidbody>("AttackSweepCapsule");
sweepBody = Instantiate(sweepBody);
sweepBody.transform.SetParent(npcscript.transform);
sweepBody.transform.localPosition = new Vector3(0.0f, 1.276f, 0.0f);
sweepBody.name = "AttackSweepCapsule";
}
if (!sweepBody)
{
Debug.LogError("Cannot find Rigidbody on 'AttackSweepCapsule'" + " < " + character.ToString() + ">");
return;
}
npcscript.attackSweepBody = sweepBody;
}
/// <summary>
/// add all npcs that are in range and under angle from direction to the list.
/// </summary>
/// <param name="range">range condition</param>
/// <param name="angle">angle condition</param>
/// <param name="position">test position</param>
/// <param name="direction">test direction</param>
/// <param name="npcList">list on which to add</param>
public void CollectNpcsInRangeAngle(float range, float angle, Vector3 position, Vector3 direction, List <IGameCharacter> npcList)
{
npcList.Clear();
for (int i = 0; i < m_Npcs.Length; i++)
{
NPCScript npc = m_Npcs[i];
if (npc.isDead)
{
continue;
}
if (npc.ragdollState != RagdollManager.RagdollState.Animated)
{
continue;
}
Vector3 dir2npc = npc.transform.position - position;
float dist = Vector3.Distance(position, npc.transform.position);
if (dist <= range)
{
float cur_angle = Vector3.Angle(direction, dir2npc.normalized);
if (cur_angle <= angle)
{
npcList.Add(npc);
}
}
}
}
/// <summary>
/// Unity Start method
/// Start is called on the frame when a script is enabled just before any of the Update methods is called the first time
/// </summary>
void Start()
{
// check if guard zone is assigned on all
for (int i = 0; i < npc_list.Count; i++)
{
NPCScript npc = npc_list[i];
npc.guardZone = this;
}
}
/// <summary>
/// add local avoidance around npcs and player
/// </summary>
/// <param name="move">ref current move velocity</param>
private void _add_local_avoidance(ref Vector3 move)
{
float repulseDistance = avoidanceDistance;
Vector3 toPlayer = transform.position - m_Player.transform.position;
Vector3 dir2player = toPlayer.normalized;
float dist2player = toPlayer.magnitude;
// avoidance of npcs
float power = 8;
Vector3 force = Vector3.zero;
for (int i = 0; i < m_NPCManager.npcs.Length; i++)
{
NPCScript npc = m_NPCManager.npcs[i];
if (this == npc)
{
continue;
}
if (npc.ragdollState != RagdollManager.RagdollState.Animated)
{
continue;
}
Vector3 toNpc = transform.position - npc.transform.position;
Vector3 dir2npc = toNpc.normalized;
float dist2npc = toNpc.magnitude;
float val = Mathf.Clamp01(repulseDistance / dist2npc);
val = Mathf.Pow(val, power);
float strength = Mathf.Lerp(0.0f, 1.0f, val);
force += dir2npc * strength;
}
// avoidance of player
if (dist2player < 0.45f)
{
float val = Mathf.Clamp01(repulseDistance / dist2player);
val = Mathf.Pow(val, power);
float strength = Mathf.Lerp(0.0f, 1.0f, val) * 4f;
force += dir2player * strength;
}
move += force;
#if SMOOTH_MOVEMENT
avgMove[avgIdx] = move;
avgIdx++;
if (avgIdx >= avgMove.Length)
{
avgIdx = 0;
}
#endif
}
/// <summary>
/// provides info is any npc in combat
/// </summary>
/// <param name="caller">pass caller so it can be skipped</param>
/// <returns>true or false</returns>
public bool AnyNpcInCombat(NPCScript caller)
{
for (int i = 0; i < npcs.Length; i++)
{
NPCScript npc = npcs[i];
if (npc == caller)
{
continue;
}
if (npc.inCombat)
{
return(true);
}
}
return(false);
}
/// <summary>
/// npc chase state
/// </summary>
private void chase()
{
NUM_CHASERS_GLOBAL = 0;
foreach (NPCGuardZone zone in m_CurrentZones)
{
for (int i = 0; i < zone.npc_list.Count; i++)
{
zone.npc_list[i].npcState = NPCScript.NPCState.Return;
}
zone.numChasers = 0;
for (int i = zone.numChasers; i < zone.allowedAttackers; i++)
{
NPCScript npc = _getClosest();
if (npc)
{
if (npc.isDead)
{
continue;
}
npc.startChase();
zone.numChasers++;
NUM_CHASERS_GLOBAL++;
}
}
for (int i = 0; i < zone.npc_list.Count; i++)
{
NPCScript npc = zone.npc_list[i];
if (npc)
{
if (npc.isDead)
{
continue;
}
if (npc.npcState != NPCScript.NPCState.Chase)
{
npc.npcState = NPCScript.NPCState.Wait;
}
}
}
}
}
/// <summary>
/// number of npcs in range in current zone/s
/// </summary>
/// <returns></returns>
public int NumInRangeInZone()
{
if (m_CurrentZones.Count == 0)
{
return(0);
}
int num = 0;
foreach (NPCGuardZone zone in m_CurrentZones)
{
for (int i = 0; i < zone.npc_list.Count; i++)
{
NPCScript npc = zone.npc_list[i];
if (npc.inAttackRange)
{
num++;
}
}
}
return(num);
}
/// <summary>
/// provides info of number of npcs in combat in current zone
/// </summary>
/// <returns>true or false</returns>
public int NumNpcInCombatInZone()
{
if (m_CurrentZones.Count == 0)
{
return(0);
}
int count = 0;
foreach (NPCGuardZone zone in m_CurrentZones)
{
for (int i = 0; i < zone.npc_list.Count; i++)
{
NPCScript npc = zone.npc_list[i];
if (npc.inCombat)
{
count++;
}
}
}
return(count);
}
/// <summary>
/// return number of attacker in current zone
/// </summary>
/// <returns></returns>
public int NumNpcAttackingInZone()
{
if (m_CurrentZones.Count == 0)
{
return(0);
}
int count = 0;
foreach (NPCGuardZone zone in m_CurrentZones)
{
for (int i = 0; i < zone.npc_list.Count; i++)
{
NPCScript npc = zone.npc_list[i];
if (npc.animator.GetCurrentAnimatorStateInfo(0).IsName("AttackCombo"))
{
count++;
}
}
}
return(count);
}
/// <summary>
/// number of npcs chasing in current zone/s
/// </summary>
/// <returns></returns>
public int NumChasingInZone()
{
if (m_CurrentZones.Count == 0)
{
return(0);
}
int num = 0;
foreach (NPCGuardZone zone in m_CurrentZones)
{
for (int i = 0; i < zone.npc_list.Count; i++)
{
NPCScript npc = zone.npc_list[i];
if (npc.npcState == NPCScript.NPCState.Chase)
{
num++;
}
}
}
return(num);
}
/// <summary>
/// provides info is any npc is attacking in current zone
/// </summary>
/// <param name="caller">pass caller so it can be skipped</param>
/// <returns>true or false</returns>
public bool AnyNpcAttackingInZone(NPCScript caller)
{
if (m_CurrentZones.Count == 0)
{
return(false);
}
foreach (NPCGuardZone zone in m_CurrentZones)
{
for (int i = 0; i < zone.npc_list.Count; i++)
{
NPCScript npc = zone.npc_list[i];
if (npc == caller)
{
continue;
}
if (npc.animator.GetCurrentAnimatorStateInfo(0).IsName("AttackCombo"))
{
return(true);
}
}
}
return(false);
}
/// <summary>
/// in current zone/s add all npcs that are in range and under angle of transform.forward to the list.
/// </summary>
/// <param name="range">range condition</param>
/// <param name="angle">angle condition</param>
/// <param name="xform">transform ( position/ forward )</param>
/// <param name="npcList">list on which to add</param>
public void CollectNpcsInRangeAngleInZone(float range, float angle, Transform xform, List <NPCScript> npcList)
{
npcList.Clear();
if (m_CurrentZones.Count == 0)
{
return;
}
foreach (NPCGuardZone zone in m_NpcZones)
{
if (zone.playerInZone)
{
for (int i = 0; i < zone.npc_list.Count; i++)
{
NPCScript npc = zone.npc_list[i];
if (npc.isDead)
{
continue;
}
if (npc.ragdollState != RagdollManager.RagdollState.Animated)
{
continue;
}
Vector3 dir2npc = npc.transform.position - xform.position;
float dist = Vector3.Distance(xform.position, npc.transform.position);
if (dist < range)
{
float cur_angle = Vector3.Angle(xform.forward, dir2npc.normalized);
if (cur_angle <= angle)
{
npcList.Add(npc);
}
}
}
}
}
}
/// <summary>
/// provides info is any npc in combat in current zone
/// </summary>
/// <param name="caller">pass caller so it can be skipped</param>
/// <returns>true or false</returns>
public bool AnyNpcInCombatInZone(NPCScript caller)
{
if (m_CurrentZones.Count == 0)
{
return(false);
}
foreach (NPCGuardZone zone in m_CurrentZones)
{
for (int i = 0; i < zone.npc_list.Count; i++)
{
NPCScript npc = zone.npc_list[i];
if (npc == caller)
{
continue;
}
if (npc.inCombat)
{
return(true);
}
}
}
return(false);
}
/// <summary>
/// Unity OnTriggerStay method
/// OnTriggerStay is called once per frame for every Collider other that is touching the trigger
/// </summary>
/// <param name="col">collider staying in the trigger</param>
void OnTriggerStay(Collider col)
{
if (m_CollectingNPCs)
{
if (col.tag == "NPC")
{
NPCScript npc = col.GetComponent <NPCScript>();
if (npc)
{
if (!npc_list.Contains(npc))
{
npc.guardZone = this;
npc_list.Add(npc);
}
}
}
}
// if player is inside, flag as true
if (col.gameObject.tag == "Player")
{
m_PlayerInZone = true;
}
}