minecraft-pi-reborn/mods/src/home/home.cpp

34 lines
853 B
C++

#include <cerrno>
#include <libreborn/libreborn.h>
#include <symbols/minecraft.h>
#include <mods/home/home.h>
#include <mods/init/init.h>
// Get MCPI Home Directory
char *home_get() {
static char *dir = nullptr;
// Load
if (dir == nullptr) {
safe_asprintf(&dir, "%s" HOME_SUBDIRECTORY_FOR_GAME_DATA, getenv("HOME"));
}
// Return
return dir;
}
// Free
__attribute__((destructor)) static void _free_home() {
free(home_get());
}
// Init
void init_home() {
// Store Data In ~/.minecraft-pi Instead Of ~/.minecraft
patch_address((void *) &Strings::default_path, (void *) HOME_SUBDIRECTORY_FOR_GAME_DATA);
// The override code resolves assets manually,
// making changing directory redundant.
unsigned char nop_patch[4] = {0x00, 0xf0, 0x20, 0xe3}; // "nop"
patch((void *) 0xe0ac, nop_patch);
}