Initial commit

CPatch.h

@@ -0,0 +1,145 @@
+#pragma once
+#include <Windows.h>
+
+class CPatch
+{
+public:
+	inline static void Patch(void* address, void* data, int size)
+	{
+		unsigned long protect[2];
+		VirtualProtect(address, size, PAGE_EXECUTE_READWRITE, &protect[0]);
+		memcpy(address, data, size);
+		VirtualProtect(address, size, protect[0], &protect[1]);
+	}
+
+	inline static void Patch2(int address, void* data, int size)
+	{
+		unsigned long protect[2];
+		VirtualProtect((void *)address, size, PAGE_EXECUTE_READWRITE, &protect[0]);
+		memcpy((void *)address, data, size);
+		VirtualProtect((void *)address, size, protect[0], &protect[1]);
+	}
+
+	inline static void Unprotect(int address, int size)
+	{
+		unsigned long protect[2];
+		VirtualProtect((void *)address, size, PAGE_EXECUTE_READWRITE, &protect[0]);
+	}
+	inline static void Nop(int address, int size)
+	{
+		unsigned long protect[2];
+		VirtualProtect((void *)address, size, PAGE_EXECUTE_READWRITE, &protect[0]);
+		memset((void *)address, 0x90, size);
+		VirtualProtect((void *)address, size, protect[0], &protect[1]);
+	}
+	inline static void FillWithZeroes(int address, int size)
+	{
+		unsigned long protect[2];
+		VirtualProtect((void *)address, size, PAGE_EXECUTE_READWRITE, &protect[0]);
+		memset((void *)address, 0x00, size);
+		VirtualProtect((void *)address, size, protect[0], &protect[1]);
+	}
+	inline static void RedirectCall(int address, void *func)
+	{
+		int temp = 0xE8;
+		Patch((void *)address, &temp, 1);
+		temp = (int)func - ((int)address + 5);
+		Patch((void *)((int)address + 1), &temp, 4);
+	}
+	inline static void RedirectJump(int address, void *func)
+	{
+		int temp = 0xE9;
+		Patch((void *)address, &temp, 1);
+		temp = (int)func - ((int)address + 5);
+		Patch((void *)((int)address + 1), &temp, 4);
+	}
+	inline static void SetChar(int address, char value)
+	{
+		Patch((void *)address, &value, 1);
+	}
+	inline static void SetUChar(int address, unsigned char value)
+	{
+		Patch((void *)address, &value, 1);
+	}
+	inline static void SetShort(int address, short value)
+	{
+		Patch((void *)address, &value, 2);
+	}
+	inline static void SetUShort(int address, unsigned short value)
+	{
+		Patch((void *)address, &value, 2);
+	}
+	inline static void SetInt(int address, int value)
+	{
+		Patch((void *)address, &value, 4);
+	}
+	inline static void SetUInt(int address, unsigned int value)
+	{
+		Patch((void *)address, &value, 4);
+	}
+	inline static void SetUIntWithCheck(int address, unsigned int value, unsigned int expectedValue)
+	{
+		if (*(unsigned int *)address == expectedValue)
+		Patch((void *)address, &value, 4);
+	}
+	inline static void SetFloat(int address, float value)
+	{
+		Patch((void *)address, &value, 4);
+	}
+	inline static void SetDouble(int address, double value)
+	{
+		Patch((void *)address, &value, 8);
+	}
+	inline static void SetPointer(int address, void *value)
+	{
+		Patch((void *)address, &value, 4);
+	}
+
+	inline static void AdjustPointer(int address, void *value, DWORD offset, DWORD end)
+	{
+		int result;
+		if((DWORD)*(DWORD*)address >= offset && (DWORD)*(DWORD*)address <= end) {
+		result = (DWORD)value + (DWORD)*(DWORD*)address - (DWORD)offset;
+		Patch((void *)address, &result, 4);
+		} else {
+		address = address + 1;
+			if((DWORD)*(DWORD*)address >= offset && (DWORD)*(DWORD*)address <= end) {
+			result = (DWORD)value + (DWORD)*(DWORD*)address - (DWORD)offset;
+			Patch((void *)address, &result, 4);
+			} else {
+				address = address + 1;
+				if((DWORD)*(DWORD*)address >= offset && (DWORD)*(DWORD*)address <= end) {
+				result = (DWORD)value + (DWORD)*(DWORD*)address - (DWORD)offset;
+				Patch((void *)address, &result, 4);
+				} else {
+					address = address + 1;
+					if((DWORD)*(DWORD*)address >= offset && (DWORD)*(DWORD*)address <= end) {
+				result = (DWORD)value + (DWORD)*(DWORD*)address - (DWORD)offset;
+				Patch((void *)address, &result, 4);
+				} else {
+					address = address + 1;
+					if((DWORD)*(DWORD*)address >= offset && (DWORD)*(DWORD*)address <= end) {
+						result = (DWORD)value + (DWORD)*(DWORD*)address - (DWORD)offset;
+						Patch((void *)address, &result, 4);
+					} else {
+						address = address + 1;
+						if((DWORD)*(DWORD*)address >= offset && (DWORD)*(DWORD*)address <= end) {
+							result = (DWORD)value + (DWORD)*(DWORD*)address - (DWORD)offset;
+							Patch((void *)address, &result, 4);
+						}
+					}
+					}
+				}
+			}
+		} 
+	}
+
+	inline static bool FileExists(const TCHAR *fileName)
+	{
+	DWORD       fileAttr;
+	fileAttr = GetFileAttributes(fileName);
+	if (0xFFFFFFFF == fileAttr && GetLastError()==ERROR_FILE_NOT_FOUND)
+		return false;
+	return true;
+	}
+};

Mafia.DebugPatch.vcxproj

@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="CPatch.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="dllmain.cpp" />
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{AB0FB32B-95D2-4DDC-8D9E-F9EE99CC16DD}</ProjectGuid>
+    <RootNamespace>MafiaDebugPatch</RootNamespace>
+    <WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v140</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <TargetExt>.asi</TargetExt>
+    <OutDir>$(SolutionDir)\$(Configuration)\</OutDir>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+    </ClCompile>
+    <Link>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

Mafia.DebugPatch.vcxproj.filters

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;hm;inl;inc;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="CPatch.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="dllmain.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>

README.md

@@ -0,0 +1,6 @@
+# Mafia.DebugPatch
+2016.10.13
+created by JaGoTu
+An asi patch that makes Mafia print all debugging messages in game.
+
+Currently only supports v1.2

dllmain.cpp

@@ -0,0 +1,65 @@
+/*
+2016.10.13
+created by JaGoTu
+
+An asi patch that makes Mafia print all debugging messages in game.
+Currently only supports v1.2
+*/
+
+#include "CPatch.h"
+
+void Init();
+void script_command_hook();
+
+
+
+
+BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
+	if (ul_reason_for_call == DLL_PROCESS_ATTACH) {
+		Init();
+	}
+	return TRUE;
+}
+
+void Init()
+{
+	CPatch::SetUChar(0x4637F0, 0x10); //debug_text is a function with one string parameter, not garbage
+	CPatch::SetUChar(0x462CF9, 0x7F); //String length is now max 127, not 48
+	CPatch::RedirectCall(0x46D3F9, *script_command_hook); //Redirect command processing
+
+}
+
+
+void __declspec(naked)script_command_hook() {
+	static void* sub_47BE10 = (void*)0x47BE10;
+	static void* PrintMafiaString = (void*)0x5F9D50;
+	static int unk_6BF980 = 0x6BF980;
+	_asm {
+		mov eax, [ecx + 4];
+		mov ecx, [esp + 4];
+		lea eax, [eax + ecx * 8];
+
+		PUSHAD;
+		PUSHFD;
+		mov eax, [eax]
+		cmp eax, 0x38;
+		jnz NotDebug;
+
+		mov     edx, [ebp + 1Ch];
+		mov     ecx, esi;
+		push    edx;
+		call    sub_47BE10;
+		mov     eax, [eax + 4];
+		mov		esi, unk_6BF980;
+		mov		ecx, esi;
+
+		push 0xFF0000; //DEBUG TEXT COLOR
+		push eax;
+		call PrintMafiaString;
+
+	NotDebug:
+		POPFD;
+		POPAD;
+		retn 4;
+	}
+}