337 lines
8.7 KiB
C++
337 lines
8.7 KiB
C++
#pragma once
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/*************************************************************
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《剑啸江湖》 游戏抽象地图加载类
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地图数据读取后将不保存用于显示的图片编号等数据，而仅仅
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保存用于进行逻辑处理的点阵数据——使用一个字节表示一个坐标。
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当坐标数据的值为1的时候，表示该坐标可以移动，否则表示该
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坐标不可移动。
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地图坐标数据采用连续的字节数组存储，访问一个坐标值的方
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法为：y * 地图宽度 + x
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************************************************************/
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#pragma once
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//#include "MapSearchNode.h"
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#include "CommonDef.h"
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#include "VirturalMap.h"
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class CBufferAllocator;
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namespace jxcomm
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{
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namespace gameMap
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{
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class CAbstractMap:
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public VirturalMap //VirturalMap 只有一个父函数
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{
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public:
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static const int s_nInvalidMapPos = -2;
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static const int s_nBlockPos = -1;
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static const int MAX_WAY_POINT_COUNT =1024*16; //一个地图最大的关键点的数目
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//关键节点的信息，用于
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/*
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typedef struct tagKeyPoint
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{
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MAPPOINT nearPoints[8]; //旁边的8个方向上关键点的id和距离
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MAPPOINT pos; //本身的坐标
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}KEYPOINT,*PKEYPOINT;
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*/
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//typedef struct tag
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DWORD m_dwWidth; //地图宽度
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DWORD m_dwHeight; //地图高度
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protected:
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void *m_pGridData;
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BYTE *m_pMoveableIndex;//每坐标对应的可移动索引，用于外层优化
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INT m_nMoveableCount;//移动坐标数量
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CBufferAllocator* m_pAllocator; //内存块管理器
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//PKEYPOINT m_pWayPointMap; //存储相邻关键点(waypoint)之间的
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//INT m_nWayPointCount; //关键点的数目
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INT m_nBBoxT; // 全空飞包围盒top
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INT m_nBBoxL; // 全空飞包围盒left
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INT m_nBBoxR; // 全空飞包围盒right
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INT m_nBBoxB; // 全空飞包围盒bottom
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public:
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CAbstractMap();
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virtual ~CAbstractMap();
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//地图的一个点的值
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//virtual int GetMapPosValue(int x,int y) ;
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/* 从流中加载地图数据 */
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bool LoadFromStream(wylib::stream::CBaseStream& stream);
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/* 从文件中加载地图数据 */
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bool LoadFromFile(LPCTSTR sFileName);
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/* 生成一张全部可以移动的地图 */
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void initDefault(DWORD dwWidth, DWORD dwHeight);
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/* 获取地图宽度 */
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inline int getWidth(){ return m_dwWidth; }
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/* 获取地图高度 */
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inline int getHeight(){ return m_dwHeight; }
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/* 获取可移动坐标数量 */
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inline int getMoveableCount(){ return m_nMoveableCount; }
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/* 获取地图中所有单元数目 */
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inline int getUnitCount() const { return m_dwWidth * m_dwHeight; }
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/* 获取地图中x, y坐标的可移动索引，返回-1表示此位置不可移动，返回s_nInvalidMapPos表示 */
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/*
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inline int getMoveableIndex(DWORD x, DWORD y)
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{
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if ( x >= m_dwWidth || y >= m_dwHeight )
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return s_nInvalidMapPos;
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return m_pMoveableIndex[y * m_dwWidth + x].nValue;
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}
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*/
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inline bool isValidPos(DWORD x, DWORD y)
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{
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if ( x >= m_dwWidth || y >= m_dwHeight )
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return false;
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return true;
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}
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inline INT_PTR getPosIndex(DWORD x, DWORD y)
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{
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if (!isValidPos(x, y ))
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return s_nInvalidMapPos;
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return y * m_dwWidth + x;
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}
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/* 判断地图中x, y坐标位置是否可以移动，返回true表示坐标可以移动 */
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inline bool canMove(DWORD x, DWORD y)
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{
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if ( x >= m_dwWidth || y >= m_dwHeight )
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return false;
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return m_pMoveableIndex[y * m_dwWidth + x] != 0;
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}
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/*设置不可移动点*/
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inline void setUnablePoint(DWORD x, DWORD y, BYTE btValue)
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{
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if ( x >= m_dwWidth || y >= m_dwHeight )
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return;
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m_pMoveableIndex[y * m_dwWidth + x] = btValue;
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}
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/*
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inline INT getWayPointDistance(INT x,INT y)
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{
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if(x==y || m_pWayPointMap ==NULL)return -1;
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if( x <=0 || x> m_nWayPointCount || y <=0 || y > m_nWayPointCount) return -1;
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if( x > y )
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{
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return m_pMoveableIndex[y * m_dwWidth + x].nValue;
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}
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return -1;
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}
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*/
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/*
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* Comments: 判断一个点是否能够移动
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* Param unsigned int x: 点的坐标x
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* Param unsigned int y: 点的坐标y
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* Param bool & isCrossPoint: 是否是交叉点
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* Param int & nMoveabledDirMask: 能够移动的方向的掩码，按位操作的，比如方向2能够移动，那么第2位将为1
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* @Return bool: 返回是否能够移动
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*/
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/*
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inline bool canMove(unsigned int x,unsigned int y,bool & isCrossPoint,int& nMoveabledDirMask )
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{
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if ( x >= m_dwWidth || y >= m_dwHeight )
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{
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return false;
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}
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MAPPOINT point= m_pMoveableIndex[y * m_dwWidth + x];
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if(point.nValue == -1 )
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{
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return false ;
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}
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if(point.isKeyPoint) //高16位不为0表示是转湾点
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{
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isCrossPoint = true;
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}
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else
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{
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isCrossPoint = false;
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}
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nMoveabledDirMask = point.auxPointID;
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//nMoveabledDirMask =( nValue & 0xFFFF); //低位表示能够移动方向的掩码
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return true;
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}
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*/
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//
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// 寻点规则：以当前位置为中心的24*24区域（可视区域）内找落脚点（可移动区域）。从中心点连线到6点位置，然后
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// 分左右两边，左边顺时针，右边逆时针转动，汇聚到12点重合。
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inline void GetEntityAppearPos(int curPosX, int curPosY, int nRangeMin, int nRangeMax, int& nDestX, int& nDestY)
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{
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nDestX = nDestY = -1;
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for (int r = nRangeMin; r <= nRangeMax; r++)
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{
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// 下
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int nTempX = 0;
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int nTempY = curPosY + r;
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if (nTempY < (int)m_dwHeight)
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{
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for (int col = 0; col <= r; col++)
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{
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nTempX = curPosX + col;
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if (canMove(nTempX, nTempY))
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{
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nDestX = nTempX;
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nDestY = nTempY;
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return;
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}
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if (col != 0)
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{
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nTempX = curPosX - col;
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if (nTempX >= 0 && canMove(nTempX, nTempY))
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{
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nDestX = nTempX;
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nDestY = nTempY;
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return;
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}
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}
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}
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}
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// 左
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nTempX = curPosX - r;
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if (nTempX >= 0)
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{
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for (int row = r-1; row > -r; row--)
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{
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nTempY = curPosY + row;
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if (nTempY >= 0 && canMove(nTempX, nTempY))
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{
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nDestX = nTempX;
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nDestY = nTempY;
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return;
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}
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}
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}
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// 右
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nTempX = curPosX + r;
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if (nTempX < (int)m_dwWidth)
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{
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for (int row = r-1; row > -r; row--)
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{
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nTempY = curPosY + row;
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if (nTempY >= 0 && canMove(nTempX, nTempY))
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{
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nDestX = nTempX;
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nDestY = nTempY;
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return;
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}
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}
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}
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// 上
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nTempY = curPosY - r;
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if (nTempY >= 0)
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{
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for (int col = 0; col <= r; col++)
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{
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nTempX = curPosX + col;
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if (canMove(nTempX, nTempY))
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{
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nDestX = nTempX;
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nDestY = nTempY;
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return;
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}
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if (col != 0)
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{
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nTempX = curPosX - col;
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if (nTempX >= 0 && canMove(nTempX, nTempY))
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{
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nDestX = nTempX;
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nDestY = nTempY;
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return;
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}
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}
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}
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}
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}
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// 如果在可视区域找不到，就在垂直方向找一个点
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int nTempX = curPosX;
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for (int i = nRangeMin+1; i < (int)m_dwWidth; i++)
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{
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if (canMove(nTempX, curPosY+i))
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{
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nDestX = nTempX;
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nDestY = curPosY+i;
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return;
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}
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}
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for (int i = -nRangeMin-1; i >= 0; i--)
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{
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if (canMove(nTempX, curPosY+i))
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{
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nDestX = nTempX;
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nDestY = curPosY+i;
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return;
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}
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}
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}
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private:
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/*
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* Comments: 初始化1个点旁边的2个方向的点信息
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* Param int nPosX1: 点1的x
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* Param int nPosY1: 点1的y
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* Param int nPosX2: 点2的x
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* Param int nPosY2: 点2的y
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* Param int nDir1: 点1相对基础点的方向
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* Param int nDir2: 点2相对基础点的方向
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* Param int nWidth: 长度
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* Param int nHeight: 宽度
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* Param int & nDirMask: 方向的mask
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* @Return bool: 如果2个方向有一个能走就返回true,否则返回false
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*/
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/*
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inline bool Init2DirInfo(int nPosX1,int nPosY1,int nPosX2,int nPosY2, int nDir1,int nDir2, int &nDirMask,int nWidth,int nHeight)
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{
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bool dir1Moveable =false,dir2Moveable=false; //2个对着的方向是否能够通过
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if(nPosX1 >=0 && nPosX1 < nWidth && nPosY1 >=0 && nPosY1 < nHeight)
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{
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dir1Moveable = canMove(nPosX1,nPosY1) ; //点1能否移动
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}
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if(nPosX2 >=0 && nPosX2 < nWidth && nPosY2 >=0 && nPosY2 < nHeight)
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{
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dir2Moveable = canMove(nPosX2,nPosY2) ; //点2能否移动
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}
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if(dir1Moveable)
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{
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nDirMask |= (1 << nDir1);
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}
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if(dir2Moveable)
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{
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nDirMask |= (1 << nDir2);
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}
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return (dir1Moveable || dir2Moveable);
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}
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*/
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};
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};
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};
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