mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-10-22 23:18:16 +08:00
142 lines
3.7 KiB
C++
142 lines
3.7 KiB
C++
#include"ONScripterru.h"
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void ONScripterruCommonFilter(char *text, size_t *len)
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{
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StringCharReplacer(text, len, "{n}", 3, ' ');
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if (cpp_strnstr(text, "{c:", *len)) {
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StringFilterBetween(text, len, "{c:", 3, ":", 1);
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}
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if (cpp_strnstr(text, "{e:", *len)) {
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StringFilterBetween(text, len, "{e:", 3, ":", 1);
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}
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if (cpp_strnstr(text, "{f:", *len)) {
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StringFilterBetween(text, len, "{f:", 3, ":", 1);
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}
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if (cpp_strnstr(text, "{i:", *len)) {
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StringFilter(text, len, "{i:", 3);
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}
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if (cpp_strnstr(text, "{p:", *len)) {
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StringFilterBetween(text, len, "{p:", 3, "}", 1);
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}
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CharFilter(text, len, '}');
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if (cpp_strnstr(text, "[", *len)) {
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StringFilterBetween(text, len, "[", 1, "]", 1);
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}
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}
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bool ONScripterru1Filter(LPVOID data, size_t *size, HookParam *)
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{
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auto text = reinterpret_cast<LPSTR>(data);
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auto len = reinterpret_cast<size_t *>(size);
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if ( *len == 0 || text[0] == ':' || text[1] == '{')
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return false;
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ONScripterruCommonFilter(text, len);
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CharFilter(text, len, '`');
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return true;
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}
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bool InsertONScripterruHook1()
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{
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/*
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* Sample games:
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* Umineko Project (all text displayed)
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*/
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const BYTE bytes[] = {
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0x90, // nop
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0x55, // push ebp << hook here
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0x57, // push edi
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0x31, 0xED, // xor ebp,ebp
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0x56, // push esi
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0x53, // push ebx
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0x83, 0xEC, 0x3C // sub esp,3C
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};
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ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
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if (!addr) {
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ConsoleOutput("ONScripter-RU 1: pattern not found");
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return false;
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}
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HookParam hp;
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hp.address = addr + 1;
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hp.offset=get_reg(regs::eax);
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hp.type = USING_STRING | CODEC_UTF8;
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hp.filter_fun = ONScripterru1Filter;
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ConsoleOutput("INSERT ONScripter-RU 1");
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return NewHook(hp, "ONScripter-RU1");
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}
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void StringBetween(char *str, size_t *size, const char *fr, size_t frlen, const char *to, size_t tolen)
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{
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size_t len = *size,
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curlen;
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char *start = cpp_strnstr(str, fr, len);
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if (!*start)
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return;
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//start += frlen;
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char *end = cpp_strnstr((start += frlen), to, len - (start - str));
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if (!*end)
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return;
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::memmove(str, start, end - start);
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*size = end - start;
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//str[*size] = '\0';
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}
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bool ONScripterru2Filter(LPVOID data, size_t *size, HookParam *)
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{
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auto text = reinterpret_cast<LPSTR>(data);
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auto len = reinterpret_cast<size_t *>(size);
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StringBetween(text, len, "`", 1, "`", 1);
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ONScripterruCommonFilter(text, len);
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return true;
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}
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bool InsertONScripterruHook2()
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{
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/*
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* Sample games:
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* Umineko Project (partial text displayed)
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*/
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const BYTE bytes[] = {
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0x0F, 0xB6, 0x04, 0x18, // movzx eax,byte ptr [eax+ebx] << hook here
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0x89, 0x74, 0x24, 0x04, // mov [esp+04],esi
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0x43, // inc ebx
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0x89, 0x44, 0x24, 0x08 // mov [esp+08],eax
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};
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ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
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ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
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if (!addr) {
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ConsoleOutput("ONScripter-RU 2: pattern not found");
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return false;
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}
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HookParam hp;
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hp.address = addr;
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hp.offset=get_reg(regs::eax);
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hp.split =get_reg(regs::esi);
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hp.type = USING_STRING | CODEC_UTF8 | USING_SPLIT | KNOWN_UNSTABLE;
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//hp.type = USING_STRING | CODEC_UTF8 | USING_SPLIT;
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hp.filter_fun = ONScripterru2Filter;
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ConsoleOutput("INSERT ONScripter-RU 2");
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return NewHook(hp, "ONScripter-RU2");
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}
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bool ONScripterru::attach_function() {
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bool ok = InsertONScripterruHook1();
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return InsertONScripterruHook2() || ok;
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}
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