From a83cb6d211ecdc7ec5831265bc5980c30d00970e Mon Sep 17 00:00:00 2001
From: TheBrokenRail <connor24nolan@live.com>
Date: Sun, 29 Nov 2020 18:59:01 -0500
Subject: [PATCH] Add Optional Patch To Disable gui_blocks Atlas

---
 debian/client/common/usr/bin/minecraft-pi | 1 +
 mods/src/extra.c                          | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/debian/client/common/usr/bin/minecraft-pi b/debian/client/common/usr/bin/minecraft-pi
index 8a4c8fc..c15c08e 100755
--- a/debian/client/common/usr/bin/minecraft-pi
+++ b/debian/client/common/usr/bin/minecraft-pi
@@ -16,6 +16,7 @@ MCPI_FEATURES="$(zenity --class 'Minecraft - Pi edition' --list --checklist --co
     FALSE 'Peaceful Mode' \
     TRUE 'Animated Water' \
     TRUE 'Remove Invalid Item Background' \
+    FALSE 'Disable gui_blocks Atlas' \
     TRUE 'Smooth Lighting' \
     FALSE '3D Anaglyph')"
 MCPI_USERNAME="$(zenity --class 'Minecraft - Pi edition' --entry --text 'Minecraft Username:' --entry-text 'StevePi')"
diff --git a/mods/src/extra.c b/mods/src/extra.c
index 63dc67e..74b12db 100644
--- a/mods/src/extra.c
+++ b/mods/src/extra.c
@@ -320,6 +320,12 @@ __attribute__((constructor)) static void init() {
         patch((void *) 0x63c98, invalid_item_background_patch);
     }
 
+    if (extra_has_feature("Disable gui_blocks Atlas")) {
+        // Disable gui_blocks Atlas Which Contains Pre-Rendered Textures For Blocks In The Inventory
+        unsigned char disable_gui_blocks_atlas_patch[4] = {0x00, 0xf0, 0x20, 0xe3};
+        patch((void *) 0x63c2c, disable_gui_blocks_atlas_patch);
+    }
+
     smooth_lighting = extra_has_feature("Smooth Lighting");
     if (smooth_lighting) {
         // Enable Smooth Lighting