From 498a903d0c0332f6a1e06e69ad297ff8f5d3f31c Mon Sep 17 00:00:00 2001 From: aap Date: Mon, 3 Jun 2019 05:26:49 +0200 Subject: added CDirectory --- src/Directory.cpp | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 src/Directory.cpp (limited to 'src/Directory.cpp') diff --git a/src/Directory.cpp b/src/Directory.cpp new file mode 100644 index 00000000..553dd539 --- /dev/null +++ b/src/Directory.cpp @@ -0,0 +1,65 @@ +#include "common.h" +#include "patcher.h" +#include "FileMgr.h" +#include "Directory.h" + +CDirectory::CDirectory(int32 maxEntries) + : numEntries(0), maxEntries(maxEntries) +{ + entries = new DirectoryInfo[maxEntries]; +} + +CDirectory::~CDirectory(void) +{ + delete[] entries; +} + +void +CDirectory::ReadDirFile(const char *filename) +{ + int fd; + DirectoryInfo dirinfo; + + fd = CFileMgr::OpenFile(filename, "rb"); + while(CFileMgr::Read(fd, (char*)&dirinfo, sizeof(dirinfo))) + AddItem(dirinfo); + return CFileMgr::CloseFile(fd); +} + +bool +CDirectory::WriteDirFile(const char *filename) +{ + int fd, n; + fd = CFileMgr::OpenFileForWriting(filename); + n = CFileMgr::Write(fd, (char*)entries, numEntries*sizeof(DirectoryInfo)); + CFileMgr::CloseFile(fd); + return n == numEntries*sizeof(DirectoryInfo); +} + +void +CDirectory::AddItem(const DirectoryInfo &dirinfo) +{ + assert(numEntries < maxEntries); + entries[numEntries++] = dirinfo; +} + +bool +CDirectory::FindItem(const char *name, uint32 &offset, uint32 &size) +{ + int i; + + for(i = 0; i < numEntries; i++) + if(strcmpi(entries[i].name, name) == 0){ + offset = entries[i].offset; + size = entries[i].size; + return true; + } + return false; +} + +STARTPATCHES + InjectHook(0x473630, &CDirectory::ReadDirFile, PATCH_JUMP); + InjectHook(0x473690, &CDirectory::WriteDirFile, PATCH_JUMP); + InjectHook(0x473600, &CDirectory::AddItem, PATCH_JUMP); + InjectHook(0x4736E0, &CDirectory::FindItem, PATCH_JUMP); +ENDPATCHES -- cgit v1.2.3