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Update LightVN.cpp

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恍兮惚兮 2024-03-24 13:37:08 +08:00
parent e00647c058
commit 4492304b1a
2 changed files with 77 additions and 1 deletions
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76
LunaHook/engine64/LightVN.cpp
View File

@ -94,9 +94,85 @@ bool _2(){
return NewHook(hp, "LightVN2");
}
}
namespace{
bool lightvnparsestring(){
BYTE sig[]={
0x4c,0x8b,0x47,0x10,
0x48,0x83,0x7f,0x18,0x08,
0x72,0x03,
0x48,0x8b,0x3f,
0x48,0x8b,0xd7,
0x48,0x8b,0xcb,
0xe8
};
auto addr=MemDbg::findBytes(sig, sizeof(sig), processStartAddress, processStopAddress);
if(addr==0)return 0;
addr=MemDbg::findEnclosingAlignedFunction_strict(addr);
if(addr==0)return 0;
HookParam hp;
hp.address = addr;
hp.type = CODEC_UTF16|USING_STRING|NO_CONTEXT;
//包含太多短句，所以无法内嵌
hp.text_fun=[](hook_stack* stack, HookParam*, uintptr_t* data, uintptr_t* split, size_t* len)
{
// v15 = a2[2];
// if ( a2[3] >= 8uLL )
// a2 = (_QWORD *)*a2;
auto str=*(std::wstring*)stack->rdx;
if(startWith(str,L"\\n")&&endWith(str,L"\\n"))
{
*split=1;
}
strReplace(str,L"\\n",L"\n");
strReplace(str,L"\n",L"");
std::wregex pattern(L"-{2,}");
str = std::regex_replace(str, pattern, L"");
write_string_new(data,len,str);
};
return NewHook(hp, "Light.VN.16");
}
bool xreflightvnparsestring(){
//ver16 是上面的xref
//ver12 找不到上面的函数
auto checkstrings={
L"backlog voice already exists at line: {}",
L"attempting to log to backlog when backlog showing. likely you faded it out."
};
auto succ=false;
for(auto str :checkstrings){
auto straddr=MemDbg::findBytes(str,wcslen(str)*2,processStartAddress,processStopAddress);
if(straddr==0)continue;
// 140CADC30
// 48 8D 0D C5 94 AB 00
// 1401F4764
BYTE lea[]={0x48,0x8d,XX};
for(auto leaaddr:Util::SearchMemory(lea,sizeof(lea),PAGE_EXECUTE,processStartAddress,processStopAddress)){
auto refaddr=(*(DWORD*)(leaaddr+3))+leaaddr+7;
if(refaddr!=straddr)continue;
auto funcaddr=MemDbg::findEnclosingAlignedFunction_strict(leaaddr,0x2000);
if(funcaddr==0)continue;
HookParam hp;
hp.address = funcaddr;
hp.type = CODEC_UTF16|USING_STRING|NO_CONTEXT;
hp.text_fun=[](hook_stack* stack, HookParam*, uintptr_t* data, uintptr_t* split, size_t* len)
{
auto str=*(std::wstring*)stack->rdx;
write_string_new(data,len,str);
};
succ|= NewHook(hp, "Light.VN.12");
}
}
return succ;
}
}
bool LightVN::attach_function() {
bool ok=_1();
ok=_2()||ok;
ok|=lightvnparsestring();
ok|=xreflightvnparsestring();
return ok;
}

2
LunaHook/engine64/LightVN.h
View File

@ -6,7 +6,7 @@ class LightVN:public ENGINE{
check_by=CHECK_BY::FILE_ANY;
is_engine_certain=false;
check_by_target=check_by_list{L"Data/Scripts/title.txt",L"Data/data*.vndat"};
check_by_target=check_by_list{L"Data/Scripts/title.txt",L"Data/data*.vndat",L"Scripts/000_title.txt"};
};
bool attach_function();
};