Extracts loading hints from a running Shrek SuperSlam process

hints.c

#include <Windows.h>
#include <stdio.h>
#include <stdlib.h>

const LPCTSTR WINDOW_NAME = "Shrek SuperSlam";
const unsigned char* START_ADDRESS = 0x0A6725A0;
const unsigned char* END_ADDRESS = 0x0A674D00;

struct Hint {
	char name[16];
	char garbage[16];
	char hint[128];
};

DWORD GetPid()
{
	HWND hwnd = FindWindowA(NULL, WINDOW_NAME);
	DWORD pid = 0;
	GetWindowThreadProcessId(hwnd, &pid);
	return pid;
}

HANDLE GetHandle(DWORD pid)
{
	return OpenProcess(
		PROCESS_VM_READ,
		FALSE,
		pid
	);
}

struct Hint* ReadHint(HANDLE handle, unsigned char** addr)
{
	int len = 0;
	struct Hint* hint = (struct Hint*)malloc(sizeof(struct Hint));
	char buffer[16] = {
		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
	};

	if (ReadProcessMemory(handle, (LPVOID)*addr, hint->name, 16, 0) == FALSE)
	{
		free(hint);
		printf("Error reading memory!\n");
		return NULL;
	}
	*addr += 16;
	if (ReadProcessMemory(handle, (LPVOID)*addr, hint->garbage, 16, 0) == FALSE)
	{
		free(hint);
		printf("Error reading memory!\n");
		return NULL;
	}
	*addr += 16;
	while (buffer[15] != 0x00)
	{
		if (ReadProcessMemory(handle, (LPVOID)*addr, buffer, 16, 0) == FALSE)
		{
			free(hint);
			printf("Error reading memory!\n");
			return NULL;
		}
		for (int i = 0; i < 16; i++)
			hint->hint[i + len] = buffer[i];
		*addr += 16;
		len += 16;
	}
	
	return hint;
}

int main()
{
	DWORD pid = GetPid();
	if (pid == NULL)
	{
		printf("Couldn't get PID!\n");
		return 1;
	}
	HANDLE handle = GetHandle(pid);
	if ((handle == INVALID_HANDLE_VALUE) || (handle == NULL))
	{
		printf("Couldn't get handle!\n");
		return 1;
	}

	for (unsigned char* addr = START_ADDRESS; addr < END_ADDRESS; addr)
	{
		struct Hint* hint = ReadHint(handle, &addr);
		if (hint == NULL)
			return 1;
		printf("%s: %s\n", hint->name, hint->hint);
		free(hint);
	}
	
	CloseHandle(handle);
	return 0;
}