From fbf2d6760b7e6ef070d3231387521e48c54d46c5 Mon Sep 17 00:00:00 2001
From: raoulvdberge <raoulvdberge@gmail.com>
Date: Thu, 30 Mar 2023 16:53:29 +0200
Subject: [PATCH] Reduced block updates when a controller is turning on and off
 constantly. Fixes part of #3468

---
 CHANGELOG.md                                     |  1 +
 .../refinedstorage/apiimpl/network/Network.java  | 16 +++++++++++-----
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3be76a8fe..e46a5be63 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 ### Fixed
 
 - Fixed not being able to search with JEI when the Grid is open.
+- Reduced block updates when a controller is turning on and off constantly.
 
 ## [v1.11.5] - 2023-02-12
 
diff --git a/src/main/java/com/refinedmods/refinedstorage/apiimpl/network/Network.java b/src/main/java/com/refinedmods/refinedstorage/apiimpl/network/Network.java
index a24afc297..dbfac940a 100644
--- a/src/main/java/com/refinedmods/refinedstorage/apiimpl/network/Network.java
+++ b/src/main/java/com/refinedmods/refinedstorage/apiimpl/network/Network.java
@@ -56,6 +56,7 @@ import java.util.function.Predicate;
 public class Network implements INetwork, IRedstoneConfigurable {
     private static final int THROTTLE_INACTIVE_TO_ACTIVE = 20;
     private static final int THROTTLE_ACTIVE_TO_INACTIVE = 4;
+    private static final int THROTTLE_ENERGY_TYPE_CHANGE = 20;
 
     private static final String NBT_ENERGY = "Energy";
     private static final String NBT_ITEM_STORAGE_TRACKER_ID = "ItemStorageTrackerId";
@@ -89,6 +90,7 @@ public class Network implements INetwork, IRedstoneConfigurable {
     private boolean throttlingDisabled = true; // Will be enabled after first update
     private boolean couldRun;
     private int ticksSinceUpdateChanged;
+    private int ticksSinceEnergyTypeChanged;
     private int ticks;
     private long[] tickTimes = new long[100];
     private int tickCounter = 0;
@@ -213,12 +215,16 @@ public class Network implements INetwork, IRedstoneConfigurable {
             ControllerBlock.EnergyType energyType = getEnergyType();
 
             if (lastEnergyType != energyType) {
-                lastEnergyType = energyType;
-
-                BlockState state = level.getBlockState(pos);
-                if (state.getBlock() instanceof ControllerBlock) {
-                    level.setBlockAndUpdate(pos, state.setValue(ControllerBlock.ENERGY_TYPE, energyType));
+                ++ticksSinceEnergyTypeChanged;
+                if (ticksSinceEnergyTypeChanged > THROTTLE_ENERGY_TYPE_CHANGE) {
+                    lastEnergyType = energyType;
+                    BlockState state = level.getBlockState(pos);
+                    if (state.getBlock() instanceof ControllerBlock) {
+                        level.setBlockAndUpdate(pos, state.setValue(ControllerBlock.ENERGY_TYPE, energyType));
+                    }
                 }
+            } else {
+                ticksSinceEnergyTypeChanged = 0;
             }
 
             tickTimes[tickCounter % tickTimes.length] = Util.getNanos() - tickStart;