From b16916dbe62d9bc89942aa8de798c5770bebf2ea Mon Sep 17 00:00:00 2001
From: slprime <history-21@yandex.ru>
Date: Sun, 14 Jan 2024 14:51:26 +0200
Subject: [PATCH] Optimize Chain Algorithm

---
 .../codechicken/nei/BookmarkCraftingChain.java     | 14 +++++---------
 src/main/java/codechicken/nei/BookmarkPanel.java   |  2 +-
 2 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/src/main/java/codechicken/nei/BookmarkCraftingChain.java b/src/main/java/codechicken/nei/BookmarkCraftingChain.java
index 3a7d7ad3a..8adbdd928 100644
--- a/src/main/java/codechicken/nei/BookmarkCraftingChain.java
+++ b/src/main/java/codechicken/nei/BookmarkCraftingChain.java
@@ -269,27 +269,23 @@ private boolean calculateShift(CraftingChainRequest request, int stackIndex) {
             return false;
         }
 
-        int shift = 0;
         int minRecipeIndex = 0;
-        int minShift = 0x7fffff;
+        int minShift = Integer.MAX_VALUE;
 
         for (CraftingChainItem item : request.outputs.get(stackIndex)) {
             if (!request.initialItems.contains(item.recipeIndex) && item.factor > 0) {
                 long ingrCount = calculateCount(request, request.inputs.get(item.stackIndex));
                 long outputCount = calculateCount(request, request.outputs.get(item.stackIndex));
+                long shift = (ingrCount - outputCount) / item.factor;
 
-                while ((outputCount + item.factor * shift) < ingrCount && shift < minShift) {
-                    shift++;
-                }
-
-                if (shift < minShift) {
-                    minShift = shift;
+                if (shift > 0 && shift < minShift) {
+                    minShift = (int) shift;
                     minRecipeIndex = item.recipeIndex;
                 }
             }
         }
 
-        if (minShift < 0x7fffff) {
+        if (minShift < Integer.MAX_VALUE) {
             request.multiplier.put(minRecipeIndex, request.multiplier.get(minRecipeIndex) + minShift);
             return true;
         }
diff --git a/src/main/java/codechicken/nei/BookmarkPanel.java b/src/main/java/codechicken/nei/BookmarkPanel.java
index 4eea92654..ab39ff4f6 100644
--- a/src/main/java/codechicken/nei/BookmarkPanel.java
+++ b/src/main/java/codechicken/nei/BookmarkPanel.java
@@ -1983,7 +1983,7 @@ public void mouseUp(int mousex, int mousey, int button) {
         if (this.sortableItem != null) {
             this.sortableItem = null;
             this.mouseDownSlot = -1;
-            grid.onGridChanged(); /* make sure grid redraws the new item */
+            grid.onItemsChanged(); /* make sure grid redraws the new item */
             saveBookmarks();
         } else if (this.groupingItem != null) {
             final BookmarkGrid BGrid = (BookmarkGrid) grid;