From af7bee2231560a708129e7f417c7f0fd036d7692 Mon Sep 17 00:00:00 2001
From: CTCaer <ctcaer@gmail.com>
Date: Fri, 17 Sep 2021 23:35:13 +0300
Subject: [PATCH] nyx: derive emuMMC ID from its main path

This allows every emuMMC to have a unique id because its path is unique.
---
 nyx/nyx_gui/frontend/fe_emummc_tools.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/nyx/nyx_gui/frontend/fe_emummc_tools.c b/nyx/nyx_gui/frontend/fe_emummc_tools.c
index 6bb4003..ae9be6c 100644
--- a/nyx/nyx_gui/frontend/fe_emummc_tools.c
+++ b/nyx/nyx_gui/frontend/fe_emummc_tools.c
@@ -110,7 +110,15 @@ void save_emummc_cfg(u32 part_idx, u32 sector_start, const char *path)
 		f_puts("\npath=", &fp);
 		f_puts(path, &fp);
 	}
-	f_puts("\nid=0x0000", &fp);
+
+	// Get ID from path.
+	u32 id_from_path = 0;
+	if (strlen(path) >= 4)
+		memcpy(&id_from_path, path + strlen(path) - 4, 4);
+	f_puts("\nid=0x", &fp);
+	itoa(id_from_path, lbuf, 16);
+	f_puts(lbuf, &fp);
+
 	f_puts("\nnintendo_path=", &fp);
 	if (path)
 	{