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

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#include <libreborn/libreborn.h>
#include <libreborn/minecraft.h>
#include "home.h"
#include "../init/init.h"
// Minecraft Pi User Data Root
#ifndef MCPI_SERVER_MODE
// Store Game Data In "~/.minecraft-pi" Instead Of "~/.minecraft" To Avoid Conflicts
#define NEW_PATH "/.minecraft-pi"
#else
// Store Game Data In Launch Directory
#define NEW_PATH ""
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// Store Launch Directory
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static char *launch_directory = NULL;
__attribute__((constructor)) static void init_launch_directory() {
launch_directory = getcwd(NULL, 0);
}
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// Pretend $HOME Is Launch Directory
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HOOK(getenv, char *, (const char *name)) {
if (strcmp(name, "HOME") == 0) {
return launch_directory;
} else {
ensure_getenv();
return (*real_getenv)(name);
}
}
#endif
// Get MCPI Home Directory
char *home_get() {
char *dir = NULL;
safe_asprintf(&dir, "%s/" NEW_PATH, getenv("HOME"));
return dir;
}
// Init
void init_home() {
// Store Data In ~/.minecraft-pi Instead Of ~/.minecraft
patch_address((void *) default_path, (void *) NEW_PATH);
}