/// <summary>
/// 先试图从预加载的bundle缓存中加载ai文件
/// </summary>
/// <param name="ai_file"></param>
bool TryLoadAIFileImmediate(string ai_file)
{
// 先从缓存中读取ai文件的资源
string path = string.Format(AI_PATH_PREFIX + "/{0}", ai_file);
var text_asset = ResourceLoader.Instance.try_load_cached_asset(path) as TextAsset;
if (text_asset == null)
{
return(false);
}
// 解析失败则将Hashtable对象放回内存池
var options = MiniJSON.JsonDecode(text_asset.text) as Hashtable;
if (options == null)
{
//Resources.UnloadAsset(text_asset);
return(false);
}
//Resources.UnloadAsset(text_asset);
// 解析成功创建BehaviourTree对象
var behaviourTree = new BehaviourTree.BehaviourTree(ai_file, options, this);
ObjCachePoolMgr.Instance.RecycleCSharpObject(options, ObjCachePoolType.AIJSON, ai_file);
SetBehaviourTree(behaviourTree);
return(true);
}
public override void OnDestroy()
{
if (mBehaviourTree != null)
{
ObjCachePoolMgr.Instance.RecycleCSharpObject(mBehaviourTree, ObjCachePoolType.AI, mBehaviourTree.GetName());
mBehaviourTree = null;
}
mAIFile = "";
}
public void Setup()
{
Node moveToTargetNode = new MoveToTarget(this);
Player player = (MainController.GetControllerOfType(typeof(PlayerController)) as PlayerController).Player;
freeze = new Sequence(
new CanSeeWhisp(this, viewRange),
new Inverter(new IsPlayerCloserThanWhisps(this, viewRange)),
new SetFrozen(this),
new Monitor(
new DoNothing(),
new IsFrozen(this))
);
bringFragmentToPlayer = new Monitor(
new ActiveSelector(
new Monitor(
new Sequence(
new SetTargetLookPosition(this, Helpers.PlayerPosition),
new LookAtTarget(this)),
new IsPlayerWithinRange(this, maxOfferFragmentDistance)),
new Sequence(
new SetTargetMovePosition(this, Helpers.PlayerPosition),
moveToTargetNode)),
new HasFragment(this)
);
collectFragment = new Sequence(
new IsFragmentNear(this),
new SetTargetFragment(this),
new Monitor(
new Sequence(
new SetTargetMovePosition(this, Helpers.CurrentFragmentTarget),
moveToTargetNode,
new PickupFragment(this)),
new IsTargetFragmentAlive(this))
);
followPlayer = new ActiveSelector(
new Sequence(
new Inverter(new IsPlayerWithinRange(this, maxFollowPlayerDistance)),
new SetTargetMovePosition(this, Helpers.PlayerPosition),
moveToTargetNode),
new Sequence(
new SetTargetMovePosition(this, Helpers.RandomPosition),
moveToTargetNode,
new WaitRandom(0.5f, 2f))
);
ActiveSelector RootSelector = new ActiveSelector(freeze, bringFragmentToPlayer, collectFragment, followPlayer);
BehaviourTree = new BehaviourTree.BehaviourTree(RootSelector);
}
public void Setup()
{
Node moveToTargetNode = new MoveToTarget(this);
Player player = (MainController.GetControllerOfType(typeof(PlayerController)) as PlayerController).Player;
Node canSeePlayerNode = new CanSeeAgent(this, player, playerViewRange);
fleeingAction = new Sequence(
canSeePlayerNode,
new IsPlayerWithinRange(this, PlayerFleeRange),
new InvokeDelegate(SetLastFleeTimeToNow),
new SetTargetMovePosition(this, Helpers.AwayFromPlayer),
moveToTargetNode
);
allertingAction = new ActiveSelector(
new Monitor(
new Sequence(
new SetTargetLookPosition(this, Helpers.PlayerPosition),
new LookAtTarget(this)),
canSeePlayerNode),
new Monitor(
new Sequence(
new SetTargetLookPosition(this, Helpers.RandomPosition),
new LookAtTarget(this)),
new HasFledRecently(this))
);
exploringAction = new ActiveSelector(
new Sequence(
new IsFragmentNear(this),
new SetTargetFragment(this),
new Monitor(
new Sequence(
new SetTargetMovePosition(this, Helpers.CurrentFragmentTarget),
moveToTargetNode,
new PickupFragment(this)),
new IsTargetFragmentAlive(this))),
new Sequence(
new Inverter(new HasMovedRecently(this)),
new SetTargetMovePosition(this, Helpers.RandomPosition),
moveToTargetNode)
);
idleAction = new WaitRandom(2, 4);
ActiveSelector RootSelector = new ActiveSelector(fleeingAction, allertingAction, exploringAction, idleAction);
BehaviourTree = new BehaviourTree.BehaviourTree(RootSelector);
}
/// <summary>
/// 加载ai对应的文件
/// </summary>
/// <param name="aiFile"></param>
/// <returns></returns>
private IEnumerator LoadAIFile(string aiFile)
{
SGameEngine.AssetResource result = new SGameEngine.AssetResource();
string path = string.Format(AI_PATH_PREFIX + "/{0}", aiFile);
yield return(MainGame.HeartBehavior.StartCoroutine(SGameEngine.ResourceLoader.Instance.load_asset(path, typeof(TextAsset), result)));
if (result.asset_ == null)
{
GameDebug.LogError("BehaviourAI::LoadAIFile, read ai file error 1:" + aiFile);
yield break;
}
TextAsset textAsset = result.asset_ as TextAsset;
if (textAsset == null)
{
Debug.LogError("BehaviourAI::LoadAIFile,can not read ai file:" + aiFile);
yield break;
}
var options = MiniJSON.JsonDecode(textAsset.text) as Hashtable;
if (options == null)
{
result.destroy();
yield break;
}
var behaviourTree = new BehaviourTree.BehaviourTree(aiFile, options, this);
ObjCachePoolMgr.Instance.RecycleCSharpObject(options, ObjCachePoolType.AIJSON, aiFile);
SetBehaviourTree(behaviourTree);
result.destroy();
}
private void InitBehaivorTree()
{
string aiRawFiles = GetBehaivorTreeFile();
if (string.IsNullOrEmpty(aiRawFiles))
{
return;
}
string aiFile = aiRawFiles;
mAIFile = aiRawFiles;
BehaviourTree.BehaviourTree behaviourTree = ObjCachePoolMgr.Instance.TryLoadCSharpObject <BehaviourTree.BehaviourTree>(ObjCachePoolType.AI, aiFile);
if (behaviourTree == null)
{
Hashtable options = ObjCachePoolMgr.Instance.TryLoadCSharpObject <Hashtable>(ObjCachePoolType.AIJSON, aiFile);
if (options == null)
{
if (!TryLoadAIFileImmediate(aiFile))
{
MainGame.HeartBehavior.StartCoroutine(LoadAIFile(aiFile));
}
}
else
{
behaviourTree = new BehaviourTree.BehaviourTree(aiFile, options, this);
ObjCachePoolMgr.Instance.RecycleCSharpObject(options, ObjCachePoolType.AIJSON, aiFile);
SetBehaviourTree(behaviourTree);
}
}
else
{
behaviourTree.Reset(this);
SetBehaviourTree(behaviourTree);
}
}
public override void Active()
{
// Temp Test
//UnityEngine.Time.timeScale = 0.1f;
//mRunningProperty.TargetActor = GetDefaultTargetActor();
mRunningProperty.RefreshState();
mFunction.RunningProperty = mRunningProperty;
mCurrentBehaviourTree = GetBehaviourTree();
if (mCurrentBehaviourTree != null)
{
mCurrentBehaviourTree.Run();
}
ActiveImplement();
mPathWalker.Update();
mAmbient.Update();
mMachine.Update();
}
private void SetBehaviourTree(BehaviourTree.BehaviourTree behaviourTree)
{
mBehaviourTree = behaviourTree;
}
protected override void OnEnter(BehaviourTree tree)
{
mCurrentNodeIndex = 0;
}
protected abstract ENodeReturn OnUpdate(BehaviourTree tree);
protected virtual void OnExit(BehaviourTree tree)
{
}
protected virtual void OnEnter(BehaviourTree tree)
{
}
protected override ENodeReturn OnUpdate(BehaviourTree tree)
{
ENodeReturn rt = RootNode.Run(tree);
return(rt);
}
void OnEnable()
{
behaviourTree = serializedObject.targetObject as BehaviourTree;
}
