77 lines
1.6 KiB
C++
77 lines
1.6 KiB
C++
#include "diablo.h"
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#include "../3rdParty/Storm/Source/storm.h"
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DEVILUTION_BEGIN_NAMESPACE
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BOOL WCloseFile(HANDLE file)
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{
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return SFileCloseFile(file);
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}
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LONG WGetFileSize(HANDLE hsFile, DWORD *lpFileSizeHigh)
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{
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DWORD retry = 0;
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LONG ret;
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while ((ret = SFileGetFileSize(hsFile, lpFileSizeHigh)) == 0)
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WGetFileArchive(hsFile, &retry, NULL);
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return ret;
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}
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void WGetFileArchive(HANDLE hsFile, DWORD *retries, const char *FileName)
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{
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HANDLE archive;
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if (*retries >= 5)
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FileErrDlg(FileName);
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if (hsFile && SFileGetFileArchive(hsFile, &archive) && archive != diabdat_mpq) {
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Sleep(20);
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(*retries)++;
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} else if (!InsertCDDlg())
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FileErrDlg(FileName);
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}
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BOOL WOpenFile(const char *FileName, HANDLE *phsFile, BOOL mayNotExist)
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{
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DWORD retry = 0;
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while (1) {
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if (SFileOpenFile(FileName, phsFile))
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return TRUE;
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if (mayNotExist && SErrGetLastError() == ERROR_FILE_NOT_FOUND)
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break;
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WGetFileArchive(NULL, &retry, FileName);
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}
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return FALSE;
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}
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void WReadFile(HANDLE hsFile, LPVOID buf, DWORD to_read)
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{
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DWORD retry = 0;
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DWORD readed;
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int initial_pos = WSetFilePointer(hsFile, 0, NULL, FILE_CURRENT);
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while (!SFileReadFile(hsFile, buf, to_read, &readed, NULL)) {
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WGetFileArchive(hsFile, &retry, NULL);
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WSetFilePointer(hsFile, initial_pos, NULL, FILE_BEGIN);
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}
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}
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int WSetFilePointer(HANDLE file1, int offset, HANDLE file2, int whence)
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{
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DWORD retry = 0;
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int result;
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while (1) {
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result = SFileSetFilePointer(file1, offset, file2, whence);
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if (result != -1)
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break;
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WGetFileArchive(file1, &retry, NULL);
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}
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return result;
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}
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DEVILUTION_END_NAMESPACE
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