mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-12-02 18:15:38 +08:00
111 lines
2.9 KiB
C++
111 lines
2.9 KiB
C++
#include "Jellyfish.h"
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bool Jellyfish::Jellyfish_attach_function()
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{
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// https://vndb.org/r13456
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// GREEN～秋空のスクリーン～ STANDARD EDITION
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// https://vndb.org/r1136
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// LOVERS～恋に落ちたら…～
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const BYTE bytes[] = {
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0x8a,
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XX,
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0x01, // mov cl, [ecx+1]
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0x80,
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XX,
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0x6e, // cmp cl, 6Eh ; 'n'
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0x75,
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XX,
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};
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ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), minaddr, maxaddr);
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if (addr == 0)
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return false;
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addr = MemDbg::findEnclosingAlignedFunction(addr, 0x1000);
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if (addr == 0)
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return false;
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HookParam hp;
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hp.address = addr;
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hp.offset = get_stack(1);
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hp.type = USING_STRING;
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hp.filter_fun = [](LPVOID data, size_t *size, HookParam *)
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{
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if (*size == 2)
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return false;
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StringCharReplacer(reinterpret_cast<char *>(data), size, "\\n", 2, '\n');
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StringCharReplacer(reinterpret_cast<char *>(data), size, "\\N", 2, '\n');
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return write_string_overwrite(data, size, std::regex_replace(std::string(reinterpret_cast<char *>(data), *size), std::regex("\\\\[0-7a-zA-Z]"), ""));
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};
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return NewHook(hp, "Jellyfish");
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}
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bool Jellyfish::Jellyfish_attach_function2()
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{
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// https://vndb.org/r109826
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// Sisters: Last Day of Summer
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const BYTE bytes[] = {
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0x68, 0xB0, 0x04, 0x00, 0x00, 0x68, 0x40, 0x06, 0x00, 0x00};
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std::map<DWORD, int> count;
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DWORD maxa = 0;
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int maxi = 0;
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for (auto _ : Util::SearchMemory(bytes, sizeof(bytes), PAGE_EXECUTE, minaddr, maxaddr))
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{
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_ = findfuncstart(_);
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if (_ == 0)
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continue;
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if (count.find(_) == count.end())
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count[_] = 0;
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count[_] += 1;
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if (count[_] >= maxi)
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{
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maxi = count[_];
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maxa = _;
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}
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}
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if (maxa == 0)
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return false;
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HookParam hp;
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hp.address = maxa; // 0x2F2E1+(DWORD)ism;
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hp.type = USING_CHAR | CODEC_UTF16;
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hp.text_fun = [](hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
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{
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if (stack->ARG3 == 3)
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return;
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*split = (stack->ARG3) != 0; // 多行文本
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*data = stack->ARG1;
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*len = 2;
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// 不可以快进，否则会有重复
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};
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return NewHook(hp, "Jellyfish");
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}
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bool Jellyfish::Jellyfish_attach_function3()
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{
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// https://vndb.org/v2249
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// DEEP VOICE
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// 不可以快进，否则会有重复
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const BYTE bytes[] = {
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0x03, 0xd0,
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0x81, 0xFA, 0xE0, 0x01, 0x00, 0x00,
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0x0f, 0x8f, XX4};
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auto addr = MemDbg::findBytes(bytes, sizeof(bytes), minaddr, maxaddr);
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if (!addr)
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return false;
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addr = MemDbg::findEnclosingAlignedFunction(addr);
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if (!addr)
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return false;
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HookParam hp;
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hp.address = addr;
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hp.offset = get_stack(1);
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hp.type = USING_CHAR;
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return NewHook(hp, "Jellyfish3");
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}
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bool Jellyfish::attach_function()
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{
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std::tie(minaddr, maxaddr) = Util::QueryModuleLimits(ism);
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return Jellyfish_attach_function() || Jellyfish_attach_function2() || Jellyfish_attach_function3();
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} |