mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-12-27 05:34:14 +08:00
48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
#include"def_mono.hpp"
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#include"def_il2cpp.hpp"
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namespace{
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std::optional<std::wstring_view> readmonostring(void* ptr){
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if(!ptr)return {};
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MonoString* string = (MonoString*)ptr;
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auto data = (wchar_t*)string->chars;
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auto len=string->length;
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if(!(len&&data))return {};
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if(wcslen(data)!=len)return {};
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return std::wstring_view(data,len);
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}
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void* createmonostring(std::wstring_view ws,MonoString* origin){
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auto newstring=(MonoString*)malloc(sizeof(MonoString)+ws.size()+2);
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memcpy(newstring,origin,sizeof(MonoString));
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memcpy((wchar_t*)newstring->chars,ws.data(),ws.size()*2);
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newstring->length=ws.size();
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return newstring;
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}
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}
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void commonsolvemonostring(uintptr_t offset,uintptr_t *data, size_t*len){
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auto sw=il2cppfunctions::get_string((void*)offset);
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if(!sw)sw=monofunctions::get_string((void*)offset);
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if(!sw)sw=readmonostring((void*)offset);
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if(!sw)return;
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auto sw_v=sw.value();
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*data=(uintptr_t)sw_v.data();
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*len=sw_v.length()*sizeof(wchar_t);
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if(*len>TEXT_BUFFER_SIZE){
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*len=0;
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return;
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}
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}
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void unity_ui_string_hook_after(uintptr_t *offset,void* data, size_t len)
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{
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auto view=std::wstring_view((wchar_t*)data,len/2);
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auto newstring=il2cppfunctions::create_string(view);
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if(!newstring)newstring=monofunctions::create_string(view);
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if(!newstring)newstring=createmonostring(view,(MonoString*)*offset);
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*offset=(uintptr_t)newstring;
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}
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uintptr_t tryfindmonoil2cpp(const char *_dll, const char *_namespace, const char *_class, const char *_method, int paramCoun,bool strict){
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auto addr=il2cppfunctions::get_method_pointer(_dll,_namespace,_class,_method,paramCoun,strict);
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if(addr)return addr;
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return monofunctions::get_method_pointer(_dll,_namespace,_class,_method,paramCoun,strict);
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} |