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恍兮惚兮 2024-02-15 15:35:35 +08:00
parent 65bd0209f1
commit 90b8dcd04a
3 changed files with 33 additions and 4 deletions
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1
LunaHook/engine32/V8.cpp
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@ -120,6 +120,7 @@ namespace{
[](hook_stack* stack, HookParam* hp, uintptr_t* data, uintptr_t* split, size_t* len)
{
auto length=((size_t(__thiscall*)(void*))Utf8Length)((void*)stack->ecx);
if(!length)return;
auto u8str=new char[length+1];
int writen;
((size_t(__thiscall*)(void*,char*,int,int*,int))WriteUtf8)((void*)stack->ecx,u8str,length,&writen,0);

1
LunaHook/engine64/V8.cpp
View File

@ -274,6 +274,7 @@ namespace{
[](hook_stack* stack, HookParam* hp, uintptr_t* data, uintptr_t* split, size_t* len)
{
auto length=((size_t(*)(void*))Utf8Length)((void*)stack->rcx);
if(!length)return;
auto u8str=new char[length+1];
int writen;
((size_t(*)(void*,char*,int,int*,int))WriteUtf8)((void*)stack->rcx,u8str,length,&writen,0);

33
LunaHook/engines/mono/monocommon.hpp
View File

@ -61,7 +61,29 @@ void unity_ui_string_hook_fun(hook_stack* stack, HookParam *hp, uintptr_t *dat
#endif
commonsolemonostring(offset,data,len);
}
template<void* text_fun>
void unity_ui_string_hook_after(hook_stack* stack,void* data, size_t len)
{
#ifdef _WIN64
uintptr_t offset=stack->rdx;
#else
uintptr_t offset=stack->stack[2];
#endif
MonoString* string = (MonoString*)offset;
if(string==0)return;
if(wcslen((wchar_t*)string->chars)!=string->length)return;
//其实也可以直接覆写到原来的String上，但重新创建一个是更安全的操作。
auto newstring=(MonoString*)malloc(sizeof(MonoString)+len+2);
memcpy(newstring,string,sizeof(MonoString));
wcscpy((wchar_t*)newstring->chars,(wchar_t*)data);
newstring->length=len/2;
#ifdef _WIN64
stack->rdx=(uintptr_t)newstring;
#else
stack->stack[2]=(uintptr_t)newstring;
#endif
}
template<void* text_fun,void* hook_after>
void MONO_IL2CPP_NEW_HOOK(uintptr_t addr,const char*name){
if(addr==0)return;
HookParam hp;
@ -69,10 +91,15 @@ void MONO_IL2CPP_NEW_HOOK(uintptr_t addr,const char*name){
hp.type = USING_STRING | CODEC_UTF16|FULL_STRING;
hp.text_fun =(decltype(hp.text_fun))text_fun;
if(hook_after)
{
hp.type|=EMBED_ABLE|EMBED_BEFORE_SIMPLE;
hp.hook_after=(decltype(hp.hook_after))hook_after;
}
NewHook_check(hp, name);
}
auto unity_ui_string_hook=MONO_IL2CPP_NEW_HOOK<unity_ui_string_hook_fun>;
auto mscorlib_system_string_hook=MONO_IL2CPP_NEW_HOOK<mscorlib_system_string_hook_fun>;
auto unity_ui_string_hook=MONO_IL2CPP_NEW_HOOK<unity_ui_string_hook_fun,unity_ui_string_hook_after>;
auto mscorlib_system_string_hook=MONO_IL2CPP_NEW_HOOK<mscorlib_system_string_hook_fun,0>;
/** jichi 12/26/2014 Mono