protected void UpdateFollowTarget()
{
// Temp variables
BaseCharacterEntity targetEnemy;
PlayerCharacterEntity targetPlayer;
NpcEntity targetNpc;
ItemDropEntity targetItemDrop;
if (TryGetAttackingCharacter(out targetEnemy))
{
if (targetEnemy.CurrentHp <= 0)
{
queueUsingSkill = null;
CharacterEntity.SetTargetEntity(null);
CharacterEntity.StopMove();
return;
}
if (CharacterEntity.IsPlayingActionAnimation())
{
CharacterEntity.StopMove();
return;
}
// Find attack distance and fov, from weapon or skill
var attackDistance = CharacterEntity.GetAttackDistance();
var attackFov = CharacterEntity.GetAttackFov();
if (queueUsingSkill.HasValue)
{
var queueUsingSkillValue = queueUsingSkill.Value;
var characterSkill = CharacterEntity.Skills[queueUsingSkillValue.skillIndex];
var skill = characterSkill.GetSkill();
if (skill != null)
{
if (skill.IsAttack())
{
attackDistance = CharacterEntity.GetSkillAttackDistance(skill);
attackFov = CharacterEntity.GetSkillAttackFov(skill);
}
else
{
// Stop movement to use non attack skill
CharacterEntity.StopMove();
RequestUsePendingSkill();
return;
}
}
else
{
queueUsingSkill = null;
}
}
var actDistance = attackDistance;
actDistance -= actDistance * 0.1f;
actDistance -= StoppingDistance;
actDistance += targetEnemy.CacheCapsuleCollider.radius;
if (Vector3.Distance(CharacterTransform.position, targetEnemy.CacheTransform.position) <= actDistance)
{
// Stop movement to attack
CharacterEntity.StopMove();
var halfFov = attackFov * 0.5f;
var targetDir = (CharacterTransform.position - targetEnemy.CacheTransform.position).normalized;
var angle = Vector3.Angle(targetDir, CharacterTransform.forward);
if (angle < 180 + halfFov && angle > 180 - halfFov)
{
// If has queue using skill, attack by the skill
if (queueUsingSkill.HasValue)
{
RequestUsePendingSkill();
}
else
{
RequestAttack();
}
/** Hint: Uncomment these to make it attack one time and stop
* // when reached target and doesn't pressed on mouse like as diablo
* if (CacheUISceneGameplay.IsPointerOverUIObject() || !Input.GetMouseButtonUp(0))
* {
* queueUsingSkill = null;
* CacheCharacterEntity.SetTargetEntity(null);
* StopPointClickMove();
* }
*/
}
}
else
{
UpdateTargetEntityPosition(targetEnemy);
}
}
else if (CharacterEntity.TryGetTargetEntity(out targetPlayer))
{
if (targetPlayer.CurrentHp <= 0)
{
queueUsingSkill = null;
CharacterEntity.SetTargetEntity(null);
CharacterEntity.StopMove();
return;
}
var actDistance = gameInstance.conversationDistance - StoppingDistance;
if (Vector3.Distance(CharacterTransform.position, targetPlayer.CacheTransform.position) <= actDistance)
{
CharacterEntity.StopMove();
// TODO: do something
}
else
{
UpdateTargetEntityPosition(targetPlayer);
}
}
else if (CharacterEntity.TryGetTargetEntity(out targetNpc))
{
var actDistance = gameInstance.conversationDistance - StoppingDistance;
if (Vector3.Distance(CharacterTransform.position, targetNpc.CacheTransform.position) <= actDistance)
{
CharacterEntity.RequestNpcActivate(targetNpc.ObjectId);
CharacterEntity.StopMove();
CharacterEntity.SetTargetEntity(null);
}
else
{
UpdateTargetEntityPosition(targetNpc);
}
}
else if (CharacterEntity.TryGetTargetEntity(out targetItemDrop))
{
var actDistance = gameInstance.pickUpItemDistance - StoppingDistance;
if (Vector3.Distance(CharacterTransform.position, targetItemDrop.CacheTransform.position) <= actDistance)
{
CharacterEntity.RequestPickupItem(targetItemDrop.ObjectId);
CharacterEntity.StopMove();
CharacterEntity.SetTargetEntity(null);
}
else
{
UpdateTargetEntityPosition(targetItemDrop);
}
}
}