282 lines
8.4 KiB
C#
282 lines
8.4 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Diagnostics.Metrics;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Security.Cryptography.X509Certificates;
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using System.Text;
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using System.Threading.Tasks;
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using MagicPhysX; // for enable Extension Methods.
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using MagicPhysX.Toolkit;
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using static MagicPhysX.NativeMethods; // recommend to use C API.
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namespace Physx
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{
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//delegate void TRIGGER_FUNC(PxRigidActor* actorA, PxRigidActor* actorB, UInt32 c);
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//先用原来的命名方式 后续修改为微软命名方式
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public unsafe struct TriggerCallBack : IDisposable
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{
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public PxShape* shape_;
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public TRIGGER_FUNC enter_func_;
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public TRIGGER_FUNC leave_func_;
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public UInt32 effectType_;
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public UInt64 endStamp_;
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//std::shared_ptr<std::string> shape_name_ptr_;
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public IntPtr StrPtr;
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public delegate void TRIGGER_FUNC(PxRigidActor* actorA, PxRigidActor* actorB, UInt32 c);
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public TriggerCallBack()
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{
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}
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public TriggerCallBack(PxShape* shape, UInt32 effectType, UInt64 effectValue, TRIGGER_FUNC enter, TRIGGER_FUNC leave)
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{
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shape_ = shape;
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enter_func_ = enter;
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leave_func_ = leave;
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effectType_ = effectType;
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}
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public void Dispose()
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{
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//TODO 这里需要详细测试 如何释放内存 shape_ 是delete 指向的对象 还是只是 置为null
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}
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//TriggerCallBack(PxShape* shape, UInt32 effectType,
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// UInt64 effectValue, TRIGGER_FUNC** enter,
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// TRIGGER_FUNC** leave);
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//~TriggerCallBack();
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public void OnEnter(PxRigidActor* tActor, PxRigidActor* oActor, UInt32 args = 0)
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{
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if (enter_func_ != null)
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{
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enter_func_(tActor, oActor, args);
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}
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}
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public void OnLeave(PxRigidActor* tActor, PxRigidActor* oActor, UInt32 args = 0)
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{
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if (leave_func_ != null)
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{
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leave_func_(tActor, oActor, args);
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}
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}
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public void ResetCall()
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{
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enter_func_ = null;
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leave_func_ = null;
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}
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public bool IsNeedDelete()
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{
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if (endStamp_ > 0)
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{
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//return endStamp_ < KG_GetTimeStamp();
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}
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return false;
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}
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//TODO;需要测试
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public bool EuqalShapeName(IntPtr strPtr)
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{
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return strPtr.Equals(strPtr);
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}
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}
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/////////////////////////////////////////////////////////////////////////
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// TriggerManager
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/////////////////////////////////////////////////////////////////////////
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public unsafe struct TriggerManager
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{
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//TriggerManager();
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//~TriggerManager();
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// add a TriggerCallBackPtr
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public void Push(TriggerCallBack* ptr)
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{
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callbacks_.Add((nint)ptr);
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}
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// remve a trigger by shape
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public void Remove(PxShape* shape)
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{
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if (shape == null) return;
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foreach (IntPtr it in callbacks_)
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{
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TriggerCallBack* call = (TriggerCallBack*)it.ToPointer();
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if (call->EuqalShapeName((IntPtr)shape->GetName()))
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{
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callbacks_.Remove(it);
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//TODO 需要测试
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//因为it 原先是智能指针实现 这里需要释放智能指针指向的对象
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//需要考虑引用次数？
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//call->Dispose();
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return;
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}
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}
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}
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// reset all triggers of a actor shapes
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public void ResetTriggersInActor(PxRigidActor* actor)
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{
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if (actor == null) return;
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UInt32 num = actor->GetNbShapes();
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//NativeMethodsGroupingExtensions.GetNbShapes(ref *actor);
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if (num < 1) return;
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//std::vector<physx::PxShape*> shapes(nb);
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//List<IntPtr> shapes = new List<IntPtr>((int)nb);
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//
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PxShape*[] shapes = new PxShape*[num];
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//UInt32 nbShapes = actor->GetShapes(reinterpret_cast<physx::PxShape**>(&shapes[0]), nb);
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fixed (PxShape** p = shapes)
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{
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UInt32 nbShapes = actor->GetShapes(p, num, 0);
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if (num != nbShapes) return;
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}
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for (UInt32 i = 0; i < num; i++)
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{
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if (((int)shapes[i]->GetFlags() & (int)PxShapeFlag.TriggerShape) != 0)
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{
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//TriggerCallBackPtr ptr = FindTrigger(shapes[i]);
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TriggerCallBack* TriggerCallBackPtr = FindTrigger(shapes[i]);
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if (TriggerCallBackPtr != null)
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{
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TriggerCallBackPtr->ResetCall();
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//(IntPtr)(TriggerCallBackPtr)->ResetCall();
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}
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}
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}
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}
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// when release actor, remove all TriggerCallBackPtrs of the actor
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public void OnReleaseActor(PxRigidActor* actor)
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{
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if (actor == null) return;
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UInt32 num = actor->GetNbShapes();
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if (num < 1) return;
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//std::vector<physx::PxShape*> shapes(nb);
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PxShape*[] shapes = new PxShape*[num];
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fixed (PxShape** p = shapes)
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{
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UInt32 nbShapes = actor->GetShapes(p, num, 0);
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if (num != nbShapes) return;
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}
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for (UInt32 i = 0; i < num; i++)
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{
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if (((int)shapes[i]->GetFlags() & (int)PxShapeFlag.TriggerShape) != 0)
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{
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Remove(shapes[i]);
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}
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}
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}
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// find a TriggerCallBackPtr by shape
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public TriggerCallBack* FindTrigger(PxShape* shape)
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{
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if (shape == null) return null;
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if (((int)shape->GetFlags() & (int)PxShapeFlag.TriggerShape) != 0)
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{
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}
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else
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{
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//LogMgr::GetInstance()->Error(
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// "TriggerManager::FindTrigger is not triggerrrrrrrrrrrrrrrrrrrr\n");
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}
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foreach (IntPtr it in callbacks_)
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{
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TriggerCallBack* call = (TriggerCallBack*)it.ToPointer();
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if (call->EuqalShapeName((IntPtr)shape->GetName()))
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{
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return call;
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}
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}
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return null;
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}
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public void Update()
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{
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if (callbacks_.Count() == 0) return;
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foreach (IntPtr it in callbacks_)
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{
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TriggerCallBack* call = (TriggerCallBack*)it.ToPointer();
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{
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PxRigidActor* actor = call->shape_->GetActor();
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if (actor != null)
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{
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UInt32 nb = actor->GetNbShapes();
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if (nb <= 2)
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{
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//KHero* hero = static_cast<ClassType*>(actor->userData)->is < KHero *> ();
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//if (hero)
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//{
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// auto cur = hero->attribute_manager_.GetCurrent();
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// cur.hp = 0;
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// hero->attribute_manager_.SetCurrent(cur);
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// hero->Die(nullptr);
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//}
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}
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}
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callbacks_.Remove(it);
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}
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}
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}
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public void Clear()
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{
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callbacks_.Clear();
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}
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public void PrintV()
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{
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//LogMgr::GetInstance()->Error("TriggerManager::PrintV ============\n");
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//for (auto it : callbacks_)
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//{
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// printf("shape=%p,", it->shape_);
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// physx::PxSphereGeometry geo;
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// if (it->shape_->getSphereGeometry(geo))
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// {
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// printf("radius=%f\n", geo.radius);
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// }
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//}
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}
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//禁止拷贝构造 c#中是否有这样语法
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// private:
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//TriggerManager& operator=(const TriggerManager&);
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//TriggerCallBack* 是否存在指向内容的释放
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//List<TriggerCallBack*> callbacks_;
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List<IntPtr> callbacks_;
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};
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}
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