LunaHook-mirror/LunaHook/engine32/A98SYS.cpp

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2024-07-05 16:23:02 +08:00
#include"A98SYS.h"
bool A98SYS::attach_function() {
//https://vndb.org/v6447
//Rainy Blue 6月の雨
auto addrs=findiatcallormov_all((DWORD)::ExtTextOutA, processStartAddress,processStartAddress, processStopAddress,PAGE_EXECUTE);
if(addrs.size()!=2)return false;
auto addr=addrs[1];
addr=MemDbg::findEnclosingAlignedFunction(addr);
if(!addr)return false;
auto addrs1=findxref_reverse_checkcallop(addr,processStartAddress, processStopAddress,0xe8);
if(!addrs1.size())return false;
addr=addrs1[0];
addr=MemDbg::findEnclosingAlignedFunction(addr);
if (!addr) return false;
HookParam hp;
hp.address = addr;
hp.offset=get_stack(1);
hp.type = USING_STRING|EMBED_ABLE|EMBED_AFTER_NEW|EMBED_BEFORE_SIMPLE|EMBED_DYNA_SJIS;
hp.hook_font=F_ExtTextOutA;
return NewHook(hp, "A98SYS");
}