一个象《帝国时代》游戏里农民行走的游戏例子，使用到前面的DXGuilde

// DXIsoMap.cpp: implementation of the CDXIsoMap class. // ////////////////////////////////////////////////////////////////////// #include "stdafx.h" #include "DXIsoMap.h" #include "DDDevice.h" #include "DDDIBSurface.h" #include "PackFile.h" #include "IsoType.h" //#include "stdafx.h" //#include "Isotest.h" #ifdef _DEBUG #undef THIS_FILE static char THIS_FILE[]=__FILE__; #define new DEBUG_NEW #endif const CHAR CDXIsoMap::m_CellFigue[16][32] = { {1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,2,2,2,2,2,2,2,2,2,2,2,2,2,2}, {1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,2,2,2,2,2,2,2,2,2,2,2,2}, {1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,2,2,2,2,2,2,2,2,2,2}, {1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,2,2,2,2,2,2,2}, {1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,2,2,2,2,2}, {1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,2,2,2}, {1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,2}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, {3,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,4}, {3,3,3,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,4,4,4}, {3,3,3,3,3,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,4,4,4,4,4}, {3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4}, {3,3,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,4,4}, {3,3,3,3,3,3,3,3,3,3,3,3,0,0,0,0,0,0,0,0,4,4,4,4,4,4,4,4,4,4,4,4}, {3,3,3,3,3,3,3,3,3,3,3,3,3,3,0,0,0,0,4,4,4,4,4,4,4,4,4,4,4,4,4,4}, {3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4} }; const int CDXIsoMap::m_nCellWidth = 32; const int CDXIsoMap::m_nCellHeight = 16; const int CDXIsoMap::m_nCellWidthShift = 5; const int CDXIsoMap::m_nCellHeightShift = 4; const BYTE CDXIsoMap::m_CellIdxFlg = 0x10; const BYTE CDXIsoMap::m_CellRmrFlg = 0X20; const BYTE CDXIsoMap::m_CellNpcFlg = 0x40; const BYTE CDXIsoMap::m_CellLnkFlg = 0x80; ////////////////////////////////////////////////////////////////////// // Construction/Destruction ////////////////////////////////////////////////////////////////////// CDXIsoMap::CDXIsoMap() { m_bAutoDelete = false; m_pMapData = NULL; m_nPosX = 0; m_nPosY = 0; m_nPosTX = 0; m_nPosTY = 0; m_nOffX = 0; m_nOffY = 0; m_pPassValues = NULL; m_pTiles = NULL; } CDXIsoMap::~CDXIsoMap() { if (m_pPassValues != NULL) { delete []m_pPassValues; m_pPassValues = NULL; } if (m_pMapData != NULL) { delete []m_pMapData; m_pMapData = NULL; } if (m_bAutoDelete == true) { if (m_pTiles != NULL) { delete m_pTiles; } } m_pTiles = NULL; } bool CDXIsoMap::Create(CDDSurface* pTiles, LPCTSTR lpszFileName, CPackFileManager* pPackFileManager/* = NULL*/) { ASSERT(pTiles != NULL); ASSERT(lpszFileName != NULL); int nCellColumns; int nCellRows; CELL* pMapData = NULL; if (pPackFileManager != NULL) // use CPackFile { CPackFile packFile; if (packFile.Open(pPackFileManager, lpszFileName) == false) return false; packFile.Read(&nCellColumns, sizeof(int)); packFile.Read(&nCellRows, sizeof(int)); int nSize = nCellColumns * nCellRows; pMapData = new CELL[nSize]; ASSERT(pMapData != NULL); packFile.Read(pMapData, sizeof(CELL) * nSize); } else { HANDLE fh = ::CreateFile(lpszFileName, GENERIC_READ, FILE_SHARE_READ, (LPSECURITY_ATTRIBUTES)NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); if (fh == INVALID_HANDLE_VALUE) return false; DWORD dwRead; ::ReadFile(fh, &nCellColumns, sizeof(int), &dwRead, NULL); ::ReadFile(fh, &nCellRows, sizeof(int), &dwRead, NULL); int nSize = nCellColumns * nCellRows; pMapData = new CELL[nSize]; ASSERT(pMapData != NULL); ::ReadFile(fh, pMapData, sizeof(CELL) * nSize, &dwRead, NULL); ::CloseHandle(fh); } return Create(pTiles, nCellColumns, nCellRows, pMapData); } bool CDXIsoMap::Save(LPCTSTR lpszFileName) { HANDLE fh = ::CreateFile(lpszFileName, GENERIC_WRITE, 0, (LPSECURITY_ATTRIBUTES)NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); if (fh == INVALID_HANDLE_VALUE) return false; DWORD dwWriteBytes; ::WriteFile(fh, &m_nColumns, sizeof(int), &dwWriteBytes, NULL); ::WriteFile(fh, &m_nRows, sizeof(int), &dwWriteBytes, NULL); ::WriteFile(fh, m_pMapData, sizeof(int) * m_nColumns * m_nRows, &dwWriteBytes, NULL); ::CloseHandle(fh); return true; } bool CDXIsoMap::Create(CDDSurface* pTiles, int nCellColumns, int nCellRows, CELL* pMapData) { m_pTiles = pTiles; m_nPosX = m_nCellWidth >> 1; m_nPosY = m_nCellHeight >> 1; m_nColumns = nCellColumns; m_nRows = nCellRows; m_nTotalWidth = m_nColumns << (m_nCellWidthShift - 1); m_nTotalHeight = m_nRows << m_nCellHeightShift; ASSERT(m_pMapData == NULL); m_pMapData = pMapData; m_nSrcSurfaceCellRows = (m_pTiles->GetWidth() / m_nCellWidth); return true; } bool CDXIsoMap::Create(CDDSurface* pTiles, int nCellColumns, int nCellRows, int nFill) { int nSize = nCellColumns * nCellRows; CELL* pMapData = new CELL[nSize]; ASSERT(pMapData != NULL); for (int i = 0; i < nSize; ++ i) { pMapData[i].base.index = (BYTE)nFill; if (nFill & 0X100) pMapData[i].base.flag = m_CellIdxFlg; else pMapData[i].base.flag = 0; pMapData[i].fringe.index = 0; pMapData[i].fringe.flag = 0; } return Create(pTiles, nCellColumns, nCellRows, pMapData); } // 在屏幕的(nDestX, nDestY)位置画图块 // IN: // nDestX // nDestY: 屏幕坐标 void CDXIsoMap::BltTile(CDDSurface* pDestSurface, int nDestX, int nDestY, CELL* pCell) { RECT drc, drc0; drc.left = nDestX; drc.top = nDestY; drc.right = nDestX + m_nCellWidth; drc.bottom = nDestY + m_nCellHeight; if (IntersectRect(&drc0, &drc, &m_rcDest)) { int nOffY = drc0.top - drc.top; int nOffX = drc0.left - drc.left; int nW = drc0.right - drc0.left; int nH = drc0.bottom - drc0.top; int nTileIndex = pCell->base.index; if (pCell->base.flag & m_CellIdxFlg) nTileIndex += 0x100; int x1, y1; RECT src; if (nTileIndex) { x1 = (nTileIndex % m_nSrcSurfaceCellRows) << m_nCellWidthShift; y1 = (nTileIndex / m_nSrcSurfaceCellRows) << m_nCellHeightShift; src.top = y1 + nOffY; src.left = x1 + nOffX; src.bottom = src.top + nH; src.right = src.left + nW; m_pTiles->Draw(pDestSurface, drc0.left, drc0.top, &src); } nTileIndex = pCell->fringe.index; if (pCell->fringe.flag & m_CellIdxFlg) nTileIndex += 0x100; if (nTileIndex) { x1 = (nTileIndex % m_nSrcSurfaceCellRows) << m_nCellWidthShift; y1 = (nTileIndex / m_nSrcSurfaceCellRows) << m_nCellHeightShift; src.top = y1 + nOffY; src.left = x1 + nOffX; src.bottom = src.top + nH; src.right = src.left + nW; m_pTiles->Draw(pDestSurface, drc0.left, drc0.top, &src); } } } void CDXIsoMap::SetViewRect(LPRECT lprcView) { ASSERT(lprcView != NULL); m_rcDest.top = lprcView->top; m_rcDest.left = lprcView->left; m_rcDest.bottom = lprcView->bottom; m_rcDest.right = lprcView->right; } void CDXIsoMap::Draw(CDDSurface* pDestSurface, LPRECT lprcDest) { if (lprcDest != NULL) { m_rcDest.top = lprcDest->top; m_rcDest.left = lprcDest->left; m_rcDest.bottom = lprcDest->bottom; m_rcDest.right = lprcDest->right; } int nHalfW = m_nCellWidth >> 1; int nHalfH = m_nCellHeight >> 1; int nOffsetX; int nOffsetY; if (m_nPosTX & 1) { nOffsetX = (m_nPosX-nHalfW) & (m_nCellWidth-1); nOffsetY = (m_nPosY-nHalfH) & (m_nCellHeight-1); } else { nOffsetX = m_nPosX & (m_nCellWidth-1); nOffsetY = m_nPosY & (m_nCellHeight-1); } nOffsetX = -nOffsetX; nOffsetY = -nOffsetY; int nOffTx, nOffTy; if (m_nPosTX & 1) { nOffTx = m_nPosTX - 1; nOffTy = m_nPosTY; nOffsetX = nOffsetX - nHalfW; nOffsetY = nOffsetY - nHalfH; } else { nOffTx = m_nPosTX - 2; nOff