304 lines
7.2 KiB
C
304 lines
7.2 KiB
C
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#pragma once
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/************************
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实现场景中网格的管理和操作
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***********************/
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//class CLinkedNode<Entity*> EntityNode;
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class CBaseEntityList;
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class CEntity;
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class CScene;
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/*
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因为内存非常巨大，为了节省内存，进行优化，将x坐标一样的放一个列表，这样1行的玩家在一个列表里
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*/
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#ifndef GRID_USE_STL_MAP
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struct EntityHandlePos
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{
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EntityHandle hd; //实体的handle
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WORD pos; //位置
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};
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typedef CBaseList<EntityHandlePos> EntityPosVector;
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#else
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struct HandleCmpter
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{
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bool operator()(const EntityHandle& _x, const EntityHandle& _y) const
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{ return Uint64(_x) < Uint64(_y); }
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};
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typedef std::map<EntityHandle, WORD, HandleCmpter> EntityPosVector;
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#endif
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// 定义游戏中单个实体格子
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class MapEntityGrid
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{
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public:
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MapEntityGrid(){
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//m_entitys.reserve(16);
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}
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~MapEntityGrid();
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// 添加实体
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void addEntity(EntityHandle handle, int posY){
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#ifndef GRID_USE_STL_MAP
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for (INT_PTR i = 0; i < m_entitys.count(); i++)
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{
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if (m_entitys[i].hd == handle)
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{
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return ;
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}
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}
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EntityHandlePos pos;
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pos.hd = handle;
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pos.pos = (WORD)posY;
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m_entitys.add(pos);
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#else
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assert(m_entitys.find(handle) == m_entitys.end());
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m_entitys[handle] = posY;
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#endif
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}
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void setEntityPos(EntityHandle handle,int posY)
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{
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#ifndef GRID_USE_STL_MAP
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for (INT_PTR i = m_entitys.count() -1; i >-1 ; i--)
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{
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if (m_entitys[i].hd == handle)
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{
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m_entitys[i].pos=(WORD)posY;
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return ;
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}
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}
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#else
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assert(m_entitys.find(handle) != m_entitys.end());
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m_entitys[handle] = posY;
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#endif
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}
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// 移除实体
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void removeEntity(EntityHandle handle)
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{
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#ifndef GRID_USE_STL_MAP
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for (INT_PTR i = m_entitys.count() -1; i >-1 ; i--)
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{
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if (m_entitys[i].hd == handle)
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{
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m_entitys.remove(i);
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return ;
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}
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}
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#else
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//玩家初始化不成功，可能不在格子里
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EntityPosVector::iterator it = m_entitys.find(handle);
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//assert(m_entitys.find(handle) != m_entitys.end());
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if(it != m_entitys.end())
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{
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m_entitys.erase(it);
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}
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#endif
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}
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int GetTypeEntityPosCount(int nType,int nPosY)
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{
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int nCount=0;
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#ifndef GRID_USE_STL_MAP
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for(INT_PTR i=0;i < m_entitys.count(); i++)
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{
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if((int)m_entitys[i].hd.GetType() == nType && m_entitys[i].pos == nPosY)
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{
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nCount ++;
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}
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}
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#else
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typedef typename EntityPosVector::iterator Iter;
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Iter it;
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Iter end = m_entitys.end();
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for (it = m_entitys.begin(); it != end; it++)
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{
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if((int)(*it).first.GetType() == nType && (*it).second == nPosY)
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nCount ++;
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}
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#endif
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return nCount;
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}
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EntityPosVector m_entitys; // 格子中的实体列表
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};
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//typedef HandleMgr<CEntityList,CEntityListHandle > CEntityListMgr;
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class CEntityGrid
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{
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friend class CScene;
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friend class AStart;
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friend class ASMapCell;
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public:
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CEntityGrid();
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virtual ~CEntityGrid();
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void SetScene(CScene* pScene) {m_pScene = pScene;}
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//inline CEntityList* GetList(INT_PTR x,INT_PTR y);
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MapEntityGrid* GetList(INT_PTR x);
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/*inline VOID SetList(INT_PTR x,INT_PTR y,CEntityList* pList);*/
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//释放资源
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VOID Release();
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//只清理怪物和玩家，以备重用
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void Reset();
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//释放一个list
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VOID ReleaseList(CEntityList* el);
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CEntityList* GetEntityList();
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//重新设置网格的大小
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VOID Init(int nRowCount,int nColCount);
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/*
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* Comments: 把一个实体添加到一个位置
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* Param CEntity * pEntity: 实体的指针
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* Param int nPosx: 位置x
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* Param int nPosY: 位置y
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* @Return int: 成功返回true，否则返回false
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*/
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//bool AddEntity(CEntity * pEntity,INT_PTR nPosx,INT_PTR nPosY);
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/*
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* Comments:判断当前位置是否传送点，如果是则传送
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* Param CEntity * pEntity:
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* @Return void:
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*/
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void TelePort( CEntity * pEntity );
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//判断是否可以通过传送门
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bool CanPassPort( CEntity * pEntity,int nPassId);
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/*
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* Comments:判断能否把角色安排到网格中
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* Param CEntity * pEntity:
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* Param int nPosx:nposx会作为一个返回值，因为有可能安排的位置和这个不同
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* Param int nPosY:
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* Param bool bShowErr: 是否输出错误
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* @Return bool:
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*/
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bool CanAddEntity(CEntity * pEntity,INT_PTR& nX,INT_PTR& nY,bool bShowErr = true, bool bCanAlwaysEnter=false);
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/*
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* Comments:场景中删除一个实体（实体死亡或退出游戏或者去了其他场景）
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* Param CEntity * pEntity:
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* Param int nX:实体所在的位置
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* Param int nY:
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*/
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void DeleteEntity(CEntity * pEntity);
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//移动一个实体
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int Move(CEntity * pEntity,INT_PTR nDir,INT_PTR nSpeed=1);
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/*
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* Comments:直接移动到某个坐标
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* Param CEntity * pEntity:实体指针
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* Param INT_PTR nNewX:要移动的位置
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* Param INT_PTR nNewY:
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* Param bool boNew:是否从其他场景跳转过来的
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* @Return int:
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*/
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int MoveTo(CEntity * pEntity,INT_PTR nNewX,INT_PTR nNewY,bool boNew = false,bool bCanAlwaysEnter=false);
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/*
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* Comments:判断是否有穿人穿怪的限制
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* Param INT_PTR nEntityType: 实体的类型
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* Param INT_PTR x:坐标x
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* Param INT_PTR y:坐标y
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* @Return bool:如果有限制，并且这个位置有人或怪，返回false
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*/
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bool CanCross(INT_PTR nEntityType, INT_PTR x, INT_PTR y,bool bCanAlwaysEnter=false,bool bCanEnterFire = false);
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/*
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* Comments:根据旧的坐标和方向，速度计算
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* Param INT_PTR & nX:
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* Param INT_PTR & nY:
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* Param BYTE nDir:
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* Param int nSpeed:
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* @Return VOID:
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*/
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static VOID NewPosition(INT_PTR& nX,INT_PTR& nY,INT_PTR nDir,INT_PTR nSpeed);
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/*
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* Comments:计算能不能移动到新位置
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* Param CEntity* pEntity: 实体对象
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* Param INT_PTR & nX:
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* Param INT_PTR & nY:
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* Param INT_PTR nDir:
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* Param INT_PTR nSpeed:
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* @Return bool:
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*/
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bool CanMoveTo(CEntity* pEntity, INT_PTR& nX,INT_PTR& nY,INT_PTR nDir,BYTE nSpeed);
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/*
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* Comments:判断这个网格能否站立
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* Param CEntity* pEntity:实体对象
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* Param INT_PTR x:x坐标
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* Param INT_PTR y:y坐标
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* @Return bool:
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*/
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bool CanMoveThisGrid(CEntity* pEntity,INT_PTR x ,INT_PTR y);
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/*
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* Comments:在一个点的周围寻找一个可以移动的点
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* Param CEntity * pEntity:实体的指针
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* Param CScene * pScene:场景的指针
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* Param INT_PTR x: 位置x
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* Param INT_PTR y:位置y
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* Param INT_PTR & nResultX: 结果的位置x
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* Param INT_PTR & nResultY:结果的位置y
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* Param INT_PTR & nType:传进去的实体类型
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* @Return bool:如果成功就返回true，否则返回false
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*/
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static bool GetMoveablePoint(CEntity *pEntity,CScene * pScene, INT_PTR x,INT_PTR y,INT_PTR &nResultX,INT_PTR &nResultY,bool bCanAlwaysEnter = false,INT_PTR nType = 1);
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//将区域下发给玩家
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inline void SendAreaConfig(SCENEAREA* pArea,CActor *pActor);
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protected:
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/*
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* Comments:角色移动时要做的判断，如果是跨过不同的区域，则要执行不同的操作
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* Param CActor * pActor:
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* @Return void:
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*/
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void CrossArea(CActor* pActor);
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private:
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/*
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* Comments:判断指定的xy坐标是否能走动的点
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* Param int x:x坐标
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* Param int y:y坐标
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* @Return bool:
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*/
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//bool CanMove(INT_PTR x,INT_PTR y);
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private:
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//网格的行数和列数
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int m_nRow;
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int m_nCol;
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//一个二维数组保存链表的指针
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//CEntityList** m_pGrid;
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MapEntityGrid* m_pGrids; // 格子集合，用于一个维护一个场景中的所有小格子列表
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CScene* m_pScene;
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public:
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//static CEntityListMgr* g_EntityListMgr; //实体链表的内存管理类，全局变量
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};
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