mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-12-27 13:44:11 +08:00
259 lines
7.7 KiB
C++
259 lines
7.7 KiB
C++
#include"embed_util.h"
|
||
#include"MinHook.h"
|
||
#include"stringutils.h"
|
||
#include"main.h"
|
||
#include"detours.h"
|
||
#include"hijackfuns.h"
|
||
#include"winevent.hpp"
|
||
#include"defs.h"
|
||
#include"stringfilters.h"
|
||
#include"util.h"
|
||
DynamicShiftJISCodec *dynamiccodec=new DynamicShiftJISCodec(932);
|
||
|
||
|
||
void cast_back(const HookParam& hp,void*data ,size_t *len,const std::wstring& trans,bool normal){
|
||
|
||
if((hp.type&EMBED_CODEC_UTF16)||(hp.type&CODEC_UTF16)){//renpy
|
||
write_string_overwrite(data,len,trans);
|
||
}
|
||
else{
|
||
std::string astr;
|
||
if(hp.type&EMBED_DYNA_SJIS&&!normal){
|
||
astr=dynamiccodec->encodeSTD(trans,0);
|
||
}
|
||
else{
|
||
astr=WideStringToString(trans,hp.codepage?hp.codepage:((hp.type&CODEC_UTF8)?CP_UTF8:embedsharedmem->codepage));
|
||
}
|
||
write_string_overwrite(data,len,astr);
|
||
}
|
||
}
|
||
|
||
struct FunctionInfo {
|
||
const char *name; // for debugging purpose
|
||
uintptr_t *oldFunction,
|
||
newFunction;
|
||
bool attached ;
|
||
uintptr_t addr;
|
||
explicit FunctionInfo(const uintptr_t _addr=0,const char *name = "", uintptr_t *oldFunction = nullptr, uintptr_t newFunction = 0,
|
||
bool attached = false )
|
||
: name(name), oldFunction(oldFunction), newFunction(newFunction)
|
||
, attached(attached),addr(_addr)
|
||
{}
|
||
};
|
||
std::unordered_map<uintptr_t, FunctionInfo> funcs; // attached functions
|
||
std::vector<uintptr_t > replacedfuns; // attached functions
|
||
bool _1f()
|
||
{
|
||
#define ADD_FUN(_f) funcs[F_##_f] = FunctionInfo((uintptr_t)_f,#_f, (uintptr_t *)&Hijack::old##_f, (uintptr_t)Hijack::new##_f);
|
||
ADD_FUN(CreateFontA)
|
||
ADD_FUN(CreateFontW)
|
||
ADD_FUN(CreateFontIndirectA)
|
||
ADD_FUN(CreateFontIndirectW)
|
||
ADD_FUN(GetGlyphOutlineA)
|
||
ADD_FUN(GetGlyphOutlineW)
|
||
ADD_FUN(GetTextExtentPoint32A)
|
||
ADD_FUN(GetTextExtentPoint32W)
|
||
ADD_FUN(GetTextExtentExPointA)
|
||
ADD_FUN(GetTextExtentExPointW)
|
||
//ADD_FUN(GetCharABCWidthsA)
|
||
//ADD_FUN(GetCharABCWidthsW)
|
||
ADD_FUN(TextOutA)
|
||
ADD_FUN(TextOutW)
|
||
ADD_FUN(ExtTextOutA)
|
||
ADD_FUN(ExtTextOutW)
|
||
ADD_FUN(DrawTextA)
|
||
ADD_FUN(DrawTextW)
|
||
ADD_FUN(DrawTextExA)
|
||
ADD_FUN(DrawTextExW)
|
||
ADD_FUN(CharNextA)
|
||
//ADD_FUN(CharNextW)
|
||
//ADD_FUN(CharNextExA)
|
||
//ADD_FUN(CharNextExW)
|
||
ADD_FUN(CharPrevA)
|
||
//ADD_FUN(CharPrevW)
|
||
ADD_FUN(MultiByteToWideChar)
|
||
ADD_FUN(WideCharToMultiByte)
|
||
#undef ADD_FUN
|
||
return 0;
|
||
}
|
||
extern bool DetourAttachedUserAddr;
|
||
extern bool hostconnected;
|
||
bool _1=_1f();
|
||
void ReplaceFunction(PVOID* oldf,PVOID newf){
|
||
|
||
RemoveHook((uintptr_t)*oldf);
|
||
DetourTransactionBegin();
|
||
DetourUpdateThread(GetCurrentThread());
|
||
DetourAttach((PVOID*)oldf, (PVOID)newf);
|
||
DetourTransactionCommit();
|
||
}
|
||
void attachFunction(uintptr_t _hook_font_flag)
|
||
{
|
||
for(auto & _func:funcs){
|
||
if(_func.first&_hook_font_flag){
|
||
if(_func.second.attached)continue;
|
||
_func.second.attached = true;
|
||
*_func.second.oldFunction=_func.second.addr;
|
||
replacedfuns.push_back(_func.first);
|
||
ReplaceFunction((PVOID*)_func.second.oldFunction,(PVOID)_func.second.newFunction);
|
||
}
|
||
}
|
||
}
|
||
void detachall( )
|
||
{
|
||
DetourTransactionBegin();
|
||
DetourUpdateThread(GetCurrentThread());
|
||
for(auto _flag:replacedfuns){
|
||
auto info=funcs.at(_flag);
|
||
DetourDetach((PVOID*)info.oldFunction, (PVOID)info.newFunction);
|
||
|
||
}
|
||
DetourTransactionCommit();
|
||
}
|
||
void solvefont(HookParam hp){
|
||
if(hp.hook_font){
|
||
attachFunction(hp.hook_font);
|
||
}
|
||
if(hp.hook_font&F_MultiByteToWideChar)
|
||
disable_mbwc=true;
|
||
if(hp.hook_font&F_WideCharToMultiByte)
|
||
disable_wcmb=true;
|
||
|
||
if (auto current_patch_fun = patch_fun.exchange(nullptr)){
|
||
current_patch_fun();
|
||
DetourAttachedUserAddr=true;
|
||
}
|
||
}
|
||
static std::wstring alwaysInsertSpacesSTD(const std::wstring& text)
|
||
{
|
||
std::wstring ret;
|
||
for(auto c: text) {
|
||
ret.push_back(c);
|
||
if (c >= 32) // ignore non-printable characters
|
||
ret.push_back(L' '); // or insert \u3000 if needed
|
||
}
|
||
return ret;
|
||
}
|
||
bool charEncodableSTD(const wchar_t& ch, UINT codepage)
|
||
{
|
||
|
||
if (ch <= 127) // ignore ascii characters
|
||
return true;
|
||
std::wstring s ;
|
||
s.push_back(ch);
|
||
return StringToWideString(WideStringToString(s, codepage), codepage).value() == s;
|
||
}
|
||
static std::wstring insertSpacesAfterUnencodableSTD(const std::wstring& text, HookParam hp)
|
||
{
|
||
|
||
std::wstring ret;
|
||
for(const wchar_t & c: text) {
|
||
ret.push_back(c);
|
||
if (!charEncodableSTD(c, hp.codepage?hp.codepage:embedsharedmem->codepage))
|
||
ret.push_back(L' ');
|
||
}
|
||
return ret;
|
||
}
|
||
std::wstring adjustSpacesSTD(const std::wstring& text,HookParam hp)
|
||
{
|
||
|
||
switch (embedsharedmem->spaceadjustpolicy)
|
||
{
|
||
case 0: return text;
|
||
case 1:return alwaysInsertSpacesSTD(text);
|
||
case 2:return insertSpacesAfterUnencodableSTD(text, hp);
|
||
default:return text;
|
||
}
|
||
}
|
||
bool isPauseKeyPressed()
|
||
{
|
||
return WinKey::isKeyControlPressed()
|
||
|| WinKey::isKeyShiftPressed() && !WinKey::isKeyReturnPressed();
|
||
}
|
||
inline UINT64 djb2_n2(const unsigned char * str, size_t len, UINT64 hash = 5381)
|
||
{
|
||
int i=0;
|
||
while (len--){
|
||
hash = ((hash << 5) + hash) + (*str++); // hash * 33 + c
|
||
}
|
||
return hash;
|
||
}
|
||
std::unordered_map<UINT64,std::wstring>translatecache;
|
||
bool check_is_thread_selected(const ThreadParam& tp){
|
||
for(int i=0;i<10;i++)
|
||
if(embedsharedmem->use[i])
|
||
if((embedsharedmem->addr[i]==tp.addr)&&(embedsharedmem->ctx1[i]==tp.ctx)&&(embedsharedmem->ctx2[i]==tp.ctx2))
|
||
return true;
|
||
return false;
|
||
}
|
||
bool check_embed_able(const ThreadParam& tp){
|
||
return hostconnected&&check_is_thread_selected(tp)&&(isPauseKeyPressed()==false);
|
||
}
|
||
bool waitforevent(UINT32 timems,const ThreadParam& tp,const std::wstring &origin){
|
||
char eventname[1000];
|
||
sprintf(eventname,LUNA_EMBED_notify_event,GetCurrentProcessId(),djb2_n2((const unsigned char*)(origin.c_str()),origin.size()*2));
|
||
auto event=win_event(eventname);
|
||
while(timems){
|
||
if(check_embed_able(tp)==false)return false;
|
||
auto sleepstep=min(100,timems);
|
||
if(event.wait(sleepstep))return true;
|
||
timems-=sleepstep;
|
||
}
|
||
return false;
|
||
}
|
||
|
||
void TextHook::parsenewlineseperator(void*data ,size_t*len)
|
||
{
|
||
if(!(hp.type&EMBED_ABLE && hp.newlineseperator))return;
|
||
|
||
if (hp.type & CODEC_UTF16)
|
||
{
|
||
StringReplacer((wchar_t*)data,len,hp.newlineseperator,wcslen(hp.newlineseperator),L"\n",1);
|
||
}
|
||
else if(hp.type&CODEC_UTF32) return;
|
||
else
|
||
{
|
||
//ansi/utf8，newlineseperator都是简单字符
|
||
std::string newlineseperatorA;
|
||
for(int i=0;i<wcslen(hp.newlineseperator);i++)newlineseperatorA+=(char)hp.newlineseperator[i];
|
||
StringReplacer((char*)data,len,newlineseperatorA.c_str(),newlineseperatorA.size(),"\n",1);
|
||
}
|
||
}
|
||
UINT64 texthash(void*data,size_t len)
|
||
{
|
||
UINT64 sum=0;
|
||
auto u8data=(UINT8*)data;
|
||
for(int i=0;i< len;i++){
|
||
sum+=u8data[i];
|
||
sum=sum<<1;
|
||
}
|
||
return sum;
|
||
}
|
||
bool checktranslatedok(void*data ,size_t len)
|
||
{
|
||
if(len>1000)return true;
|
||
return(translatecache.find(texthash(data,len))!=translatecache.end());
|
||
}
|
||
bool TextHook::waitfornotify(TextOutput_T* buffer,void*data ,size_t*len,ThreadParam tp){
|
||
std::wstring origin;
|
||
if (auto t=commonparsestring(data,*len,&hp,embedsharedmem->codepage)) origin=t.value();
|
||
else return false;
|
||
|
||
std::wstring translate;
|
||
auto hash=texthash(data,*len);
|
||
if(translatecache.find(hash)!=translatecache.end()){
|
||
translate=translatecache.at(hash);
|
||
}
|
||
else{
|
||
if(waitforevent(embedsharedmem->waittime,tp,origin)==false)return false;
|
||
translate=embedsharedmem->text;
|
||
if((translate.size()==0)||(translate==origin))return false;
|
||
translatecache.insert(std::make_pair(hash,translate));
|
||
}
|
||
if(hp.newlineseperator)strReplace(translate,L"\n",hp.newlineseperator);
|
||
translate=adjustSpacesSTD(translate,hp);
|
||
if(embedsharedmem->keeprawtext)translate=origin+L" "+translate;
|
||
solvefont(hp);
|
||
cast_back(hp,data,len,translate,false);
|
||
return true;
|
||
} |