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HIllya51 · Dec 3, 2024 · ea2a650 · ea2a650
1 parent 4fba7ce
commit ea2a650
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Showing 4 changed files with 20 additions and 101 deletions.
diff --git a/cpp/LunaHook/LunaHook/engines/ppsspp/ppsspp.cpp b/cpp/LunaHook/LunaHook/engines/ppsspp/ppsspp.cpp
@@ -488,16 +488,6 @@ namespace ppsspp
         }
         return true;
     }
-    void LoadNativeHooks(const std::string &GameID)
-    {
-        for (auto &&[id, ptr] : nativehooks)
-        {
-            if (id == GameID)
-            {
-                ptr();
-            }
-        }
-    }
     void Load_PSP_ISO_StringFromFormat()
     {
         /*
@@ -538,7 +528,6 @@ namespace ppsspp
             game_info.TITLE = (char *)stack->ARG4;
             HostInfo(HOSTINFO::EmuGameName, "%s %s", stack->ARG3, stack->ARG4);
             jitaddrclear();
-            LoadNativeHooks(game_info.DISC_ID);
         };
         NewHook(hp, "PPSSPPGameInfo");
     }
@@ -553,7 +542,6 @@ namespace ppsspp
             game_info.DISC_ID = title.substr(0, title.find(':') - 1);
             game_info.TITLE = title.substr(title.find(':') + 2);
             HostInfo(HOSTINFO::EmuGameName, "%s %s", game_info.DISC_ID.c_str(), game_info.TITLE.c_str());
-            LoadNativeHooks(game_info.DISC_ID);
             return;
         }
     }

diff --git a/cpp/LunaHook/LunaHook/engines/ppsspp/specialgames.hpp b/cpp/LunaHook/LunaHook/engines/ppsspp/specialgames.hpp
@@ -1,85 +1,6 @@
 #include <queue>
 #include "emujitarg.hpp"
 
-namespace PPSSPP
-{
-	uintptr_t findleapushalignfuncaddr(uintptr_t addr);
-	// ULJS00035 ULJS00149 流行り神
-	void *findGetPointer()
-	{
-		char GetPointer[] = "Unknown GetPointer %08x PC %08x LR %08x";
-		auto addr = MemDbg::findBytes(GetPointer, sizeof(GetPointer), processStartAddress, processStopAddress);
-		if (!addr)
-			return nullptr;
-		addr = findleapushalignfuncaddr(addr);
-		return (void *)addr;
-	}
-	void Replace_memcpy()
-	{
-		// static int Replace_memcpy() {
-		// 	u32 destPtr = PARAM(0);
-		// 	u32 srcPtr = PARAM(1);
-		// 	u32 bytes = PARAM(2);
-		static auto GetPointer = (void *(*)(uintptr_t))findGetPointer();
-		if (!GetPointer)
-			return;
-		ConsoleOutput("GetPointer %p", GetPointer);
-		char ReplaceMemcpy_VideoDecodeRange[] = "ReplaceMemcpy/VideoDecodeRange";
-		auto addr = MemDbg::findBytes(ReplaceMemcpy_VideoDecodeRange, sizeof(ReplaceMemcpy_VideoDecodeRange), processStartAddress, processStopAddress);
-		if (!addr)
-			return;
-		ConsoleOutput("ReplaceMemcpy/VideoDecodeRange %p", addr);
-#ifndef _WIN64
-		BYTE sig[] = {0xb9, XX4};
-		*(uintptr_t *)(sig + 1) = addr;
-		for (auto addr : Util::SearchMemory(sig, sizeof(sig), PAGE_EXECUTE, processStartAddress, processStopAddress))
-		{
-			BYTE sig1[] = {
-				0x55, 0x8b, 0xec,
-				0x81, 0xec, XX4,
-				0x8b, 0x0d, XX4};
-			addr = reverseFindBytes(sig1, sizeof(sig1), addr - 0x200, addr);
-			if (!addr)
-				continue;
-			DWORD off_106D180 = *(DWORD *)(addr + sizeof(sig1) - 4);
-			HookParam hp;
-			hp.user_value = *(DWORD *)off_106D180;
-#else
-
-		for (auto addr : MemDbg::findleaaddr_all(addr, processStartAddress, processStopAddress))
-		{
-			BYTE sig1[] = {
-				0x48, 0x89, XX, 0x24, 0x18,
-				0x48, 0x89, XX, 0x24, 0x20,
-				0x57,
-				0x48, 0x81, 0xec, XX4,
-				0x48, 0x8b, XX, XX4};
-			addr = reverseFindBytes(sig1, sizeof(sig1), addr - 0x200, addr);
-			if (!addr)
-				continue;
-			DWORD off_140F4C810 = *(DWORD *)(addr + sizeof(sig1) - 4);
-			HookParam hp;
-			hp.user_value = *(uintptr_t *)(off_140F4C810 + addr + sizeof(sig1));
-#endif
-			hp.address = addr;
-			hp.text_fun = [](hook_stack *stack, HookParam *hp, auto *buff, auto *split)
-			{
-				auto bytes = *((DWORD *)hp->user_value + 6);
-				auto srcPtr = GetPointer(*((DWORD *)hp->user_value + 5));
-
-				if (!IsShiftjisLeadByte(*(BYTE *)srcPtr))
-					return;
-				if (bytes != 2)
-					return;
-				if (bytes != strnlen((char *)srcPtr, TEXT_BUFFER_SIZE))
-					return;
-				buff->from(srcPtr, bytes);
-			};
-			NewHook(hp, "Replace_memcpy");
-		}
-	}
-}
-
 namespace ppsspp
 {
 	void ULJS00403_filter(TextBuffer *buffer, HookParam *hp)
@@ -789,15 +710,13 @@ namespace ppsspp
 				return buffer->clear();
 		}
 	}
-	std::unordered_map<std::string, std::function<void()>> nativehooks = {
+	std::unordered_map<uintptr_t, emfuncinfo> emfunctionhooks = {
 		// 流行り神ＰＯＲＴＡＢＬＥ
-		{"ULJS00035", PPSSPP::Replace_memcpy},
+		{0x88081cc, {0, 7, 0, 0, 0, "ULJS00035"}}, // 这三作都是单字符不断刷新，需要用比较复杂的处理
 		// 流行り神２ＰＯＲＴＡＢＬＥ
-		{"ULJS00149", PPSSPP::Replace_memcpy},
+		{0x883EAD0, {0, 0, 0, 0, 0, "ULJS00149"}},
 		// 流行り神３
-		{"ULJS00204", PPSSPP::Replace_memcpy}, // 乱码太多
-	};
-	std::unordered_map<uintptr_t, emfuncinfo> emfunctionhooks = {
+		{0x885CB50, {0, 3, 0, 0, 0, "ULJS00204"}},
 		// 死神と少女
 		{0x883bf34, {0, 1, 0, 0, ULJS00403_filter, "ULJS00403"}},
 		// アマガミ

diff --git a/cpp/LunaHook/LunaHook/hookfinder.cc b/cpp/LunaHook/LunaHook/hookfinder.cc
@@ -1,5 +1,6 @@
 
 #include "MinHook.h"
+#define SEARCH_SJIS_UNSAFE 0
 namespace
 {
 	SearchParam sp;
@@ -95,7 +96,6 @@ namespace
 	constexpr int addr_offset = 50, send_offset = 60, original_offset = 126, registers = 16;
 #endif
 }
-
 bool IsBadReadPtr(void *data)
 {
 	if (data > records.get() && data < records.get() + sp.maxRecords)
@@ -134,13 +134,20 @@ void DoSend(int i, uintptr_t address, char *str, intptr_t padding, JITTYPE jitty
 		int length = 0, sum = 0;
 		for (; *(uint16_t *)(str + length) && length < MAX_STRING_SIZE; length += sizeof(uint16_t))
 			sum += *(uint16_t *)(str + length);
+#if SEARCH_SJIS_UNSAFE
+		if (((length > STRING) || (IsDBCSLeadByteEx(932, *str))) && length < MAX_STRING_SIZE - 1)
+#else
 		if (length > STRING && length < MAX_STRING_SIZE - 1)
+#endif
 		{
 			// many duplicate results with same address, offset, and third/fourth character will be found: filter them out
 			uint64_t signature = ((uint64_t)i << 56) | ((uint64_t)(str[2] + str[3]) << 48) | address;
+#if SEARCH_SJIS_UNSAFE
+#else
 			if (signatureCache[signature % CACHE_SIZE] == signature)
 				return;
 			signatureCache[signature % CACHE_SIZE] = signature;
+#endif
 			// if there are huge amount of strings that are the same, it's probably garbage: filter them out
 			// can't store all the strings, so use sum as heuristic instead
 			if (_InterlockedIncrement(sumCache + (sum % CACHE_SIZE)) > 25)
@@ -472,13 +479,13 @@ void SearchForHooks(SearchParam spUser)
 			}
 			ConsoleOutput("%p %p",minemaddr,maxemaddr);
 			ConsoleOutput("%p %p",sp.minAddress,sp.maxAddress);
-			#if 0
+#if SEARCH_SJIS_UNSAFE
 				auto f=fopen("1.txt","a");
 				for(auto addr:jitaddr2emuaddr){
 					fprintf(f,"%llx => %llx\n", addr.second.second ,addr.first);
 				}
 				fclose(f);
-			#endif
+#endif
 			for(auto addr:jitaddr2emuaddr){
 				//ConsoleOutput("%llx => %p", addr.second.second ,addr.first);
 				if(addr.second.second>sp.maxAddress||addr.second.second<sp.minAddress)continue;

diff --git a/cpp/LunaHook/LunaHost/host.cpp b/cpp/LunaHook/LunaHost/host.cpp
@@ -2,6 +2,7 @@
 typedef LONG NTSTATUS;
 #include "yapi.hpp"
 #include "Lang/Lang.h"
+#define SEARCH_SJIS_UNSAFE 0
 namespace
 {
 	class ProcessRecord
@@ -121,7 +122,11 @@ namespace
 					}
 					info.hp.type &= ~CODEC_UTF16;
 					if (auto converted = StringToWideString((char*)info.text, info.hp.codepage))
-						if (converted->size() > STRING) 
+#if SEARCH_SJIS_UNSAFE
+						if (converted->size())
+#else
+						if (converted->size() > STRING)
+#endif
 						{
 							wcscpy_s(info.hp.hookcode,HOOKCODE_LEN, HookCode::Generate(info.hp, processId).c_str());
 							OnHookFound(info.hp, std::move(converted.value()));