added CDirectory
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65
src/Directory.cpp
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65
src/Directory.cpp
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#include "common.h"
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#include "patcher.h"
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#include "FileMgr.h"
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#include "Directory.h"
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CDirectory::CDirectory(int32 maxEntries)
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: numEntries(0), maxEntries(maxEntries)
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{
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entries = new DirectoryInfo[maxEntries];
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}
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CDirectory::~CDirectory(void)
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{
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delete[] entries;
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}
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void
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CDirectory::ReadDirFile(const char *filename)
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{
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int fd;
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DirectoryInfo dirinfo;
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fd = CFileMgr::OpenFile(filename, "rb");
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while(CFileMgr::Read(fd, (char*)&dirinfo, sizeof(dirinfo)))
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AddItem(dirinfo);
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return CFileMgr::CloseFile(fd);
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}
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bool
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CDirectory::WriteDirFile(const char *filename)
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{
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int fd, n;
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fd = CFileMgr::OpenFileForWriting(filename);
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n = CFileMgr::Write(fd, (char*)entries, numEntries*sizeof(DirectoryInfo));
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CFileMgr::CloseFile(fd);
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return n == numEntries*sizeof(DirectoryInfo);
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}
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void
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CDirectory::AddItem(const DirectoryInfo &dirinfo)
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{
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assert(numEntries < maxEntries);
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entries[numEntries++] = dirinfo;
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}
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bool
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CDirectory::FindItem(const char *name, uint32 &offset, uint32 &size)
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{
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int i;
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for(i = 0; i < numEntries; i++)
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if(strcmpi(entries[i].name, name) == 0){
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offset = entries[i].offset;
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size = entries[i].size;
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return true;
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}
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return false;
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}
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STARTPATCHES
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InjectHook(0x473630, &CDirectory::ReadDirFile, PATCH_JUMP);
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InjectHook(0x473690, &CDirectory::WriteDirFile, PATCH_JUMP);
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InjectHook(0x473600, &CDirectory::AddItem, PATCH_JUMP);
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InjectHook(0x4736E0, &CDirectory::FindItem, PATCH_JUMP);
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ENDPATCHES
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22
src/Directory.h
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22
src/Directory.h
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#pragma once
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class CDirectory
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{
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public:
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struct DirectoryInfo {
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uint32 offset;
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uint32 size;
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char name[24];
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};
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DirectoryInfo *entries;
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int32 maxEntries;
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int32 numEntries;
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CDirectory(int32 maxEntries);
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~CDirectory(void);
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void ReadDirFile(const char *filename);
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bool WriteDirFile(const char *filename);
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void AddItem(const DirectoryInfo &dirinfo);
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bool FindItem(const char *name, uint32 &offset, uint32 &size);
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};
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