Cube-World-Commands-Mod/main.cpp

218 lines
6.9 KiB
C++

#undef __STRICT_ANSI__
#include "main.h"
#include <iostream>
UINT_PTR base;
class Color{
public:
float red, green, blue, alpha;
Color(float r, float g, float b, float a){
red = r;
green = g;
blue = b;
alpha = a;
}
};
Color defaultColor = Color(1.0, 1.0, 1.0, 1.0);
DWORD defaultColorPtr = (DWORD)&defaultColor;
wchar_t defaultMessage[1024];
DWORD defaultMessagePtr = (DWORD)&defaultMessage;
char msgObject[255];
DWORD msgObjectPtr = (DWORD)&msgObject;
void DLL_EXPORT ASMPrintMessage(){
asm("push [_defaultMessagePtr]");
asm("mov ecx, [_msgObjectPtr]");
asm("mov eax, [_base]");
asm("add eax, 0x0EB60");
asm("call eax"); //call some message constructing function
asm("mov ecx, [_base]");
asm("add ecx, 0x36B1C8");
asm("mov ecx, [ecx]"); //ecx points to gamecontroller
asm("mov ecx, [ecx + 0x800A14]"); //ecx points to chatwidget
asm("push [_defaultColorPtr]");
asm("push [_msgObjectPtr]");
asm("mov edx, [_base]");
asm("add edx, 0x3AB30");
asm("call edx"); //prints message
asm("mov ecx, [_msgObjectPtr]");
asm("mov eax, [_base]");
asm("add eax, 0x193E50");
asm("call eax"); //destructor for that message object
}
void DLL_EXPORT PrintMessage(wchar_t message[]){
wcsncpy(defaultMessage, message, 255);
defaultColor.red = 1.0;
defaultColor.blue = 1.0;
defaultColor.green = 1.0;
defaultColor.alpha = 1.0;
ASMPrintMessage();
}
void DLL_EXPORT PrintMessage(wchar_t message[], int r, int g, int b){
wcsncpy(defaultMessage, message, 255);
defaultColor.red = r / 255.0;
defaultColor.green = g / 255.0;
defaultColor.blue = b / 255.0;
ASMPrintMessage();
}
void SetTime(signed int hour, signed int minute){
DWORD worldTimePtr = (DWORD)(base + 0x36B1C8);
worldTimePtr = *(DWORD*)worldTimePtr; //cube::GameController
worldTimePtr += 0x2E4; //cube::World
worldTimePtr += 0x80015C; //cube::World::time
unsigned int* worldTime = (unsigned int*) worldTimePtr;
*worldTime = (hour * 60 * 60 * 1000) + (minute * 60 * 1000);// convert to miliseconds
}
void CommandsModMessage(wchar_t message[]){
PrintMessage(L"[");
PrintMessage(L"CommandsMod", 255, 140, 0);
PrintMessage(L"] ");
PrintMessage(message);
}
void CommandHelpMessage(wchar_t* command, wchar_t* details){
PrintMessage(command, 50, 255, 127);
PrintMessage(L" - ");
PrintMessage(details);
PrintMessage(L"\n");
}
bool __stdcall DLL_EXPORT HandleMessage(wchar_t msg[], unsigned int msg_size){
wchar_t response[255];
DWORD entityaddr = (DWORD)(base + 0x36b1c8);
entityaddr = *(DWORD*)entityaddr;
entityaddr += 0x39C;
entityaddr = *(DWORD*)entityaddr;
long long unsigned int* x = (long long unsigned int*)(entityaddr+0x10);
long long unsigned int* y = (long long unsigned int*)(entityaddr+0x18);
long long unsigned int* z = (long long unsigned int*)(entityaddr+0x20);
//Display commands
if (!wcscmp(msg, L"/help")){
CommandsModMessage(L"List of commands:\n");
CommandHelpMessage(L"/help", L"displays this");
CommandHelpMessage(L"/coords", L"displays your absolute coordinates");
CommandHelpMessage(L"/chunks", L"displays your coordinates in terms of chunks");
CommandHelpMessage(L"/tp <x> <y> <z>", L"teleports you in terms of absolute coordinates");
CommandHelpMessage(L"/tpch <chunk x> <chunk y>", L"teleports you in terms of chunks");
CommandHelpMessage(L"/move <x> <y> <z>", L"teleports you with relative coordinates");
CommandHelpMessage(L"/settime <hour>:<minute>", L"Sets the time of day");
return true;
}
else if(!wcscmp(msg, L"/coords")){
swprintf(response, L"World coordinates:\nX: %llu\nY: %llu\nZ: %llu\n", *x, *y, *z);
CommandsModMessage(response);
return true;
}
else if(!wcscmp(msg, L"/chunks")){
unsigned int chunkx = *x / 0x1000000;
unsigned int chunky = *y / 0x1000000;
swprintf(response, L"Chunk coordinates:\nX: Chunk %u\nY: Chunk %u\nZ: %llu\n", chunkx, chunky, *z);
CommandsModMessage(response);
return true;
}
//Argument commands
else{
long long unsigned int targetx, targety, targetz;
long long unsigned int delta_x, delta_y, delta_z;
signed int targetHour;
signed int targetMinute;
if ( swscanf(msg, L"/tp %llu %llu %llu", &targetx, &targety, &targetz) == 3){
*x = targetx;
*y = targety;
*z = targetz;
swprintf(response, L"Teleporting.\n");
CommandsModMessage(response);
return true;
}
else if ( swscanf(msg, L"/tpch %llu %llu", &targetx, &targety) == 2){
*x = targetx * 0x1000000;
*y = targety * 0x1000000;
swprintf(response, L"Teleporting.\n");
CommandsModMessage(response);
return true;
}
else if ( swscanf(msg, L"/move %llu %llu %llu", &delta_x, &delta_y, &delta_z) == 3){
*x += delta_x;
*y += delta_y;
*z += delta_z;
swprintf(response, L"Teleporting.\n");
CommandsModMessage(response);
return true;
}
else if ( swscanf(msg, L"/settime %d:%d", &targetHour, &targetMinute) == 2){
SetTime(targetHour, targetMinute);
swprintf(response, L"Changing time to %d:%02d.\n", targetHour % 24, targetMinute % 60);
CommandsModMessage(response);
return true;
}
}
return false;
}
DWORD HandleMessagePtr = (DWORD)&HandleMessage;
void WriteJMP(BYTE* location, BYTE* newFunction){
DWORD dwOldProtection;
VirtualProtect(location, 5, PAGE_EXECUTE_READWRITE, &dwOldProtection);
location[0] = 0xE9; //jmp
*((DWORD*)(location + 1)) = (DWORD)(( (unsigned INT32)newFunction - (unsigned INT32)location ) - 5);
VirtualProtect(location, 5, dwOldProtection, &dwOldProtection);
}
typedef bool (__stdcall *ChatEventCallback)(wchar_t buf[], unsigned int msg_size);
typedef void (*RegisterChatEventCallback_t)(ChatEventCallback cb);
DWORD WINAPI DLL_EXPORT RegisterCallbacks(){
HMODULE modManagerDLL = LoadLibraryA("CallbackManager.dll");
auto RegisterChatEventCallback = (RegisterChatEventCallback_t)GetProcAddress(modManagerDLL, "RegisterChatEventCallback");
RegisterChatEventCallback((ChatEventCallback)HandleMessage);
return 0;
}
extern "C" DLL_EXPORT BOOL APIENTRY DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
base = (UINT_PTR)GetModuleHandle(NULL);
switch (fdwReason)
{
case DLL_PROCESS_ATTACH:
CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)RegisterCallbacks, 0, 0, NULL);
break;
}
return TRUE;
}