From d2dbc5e7d596e9ec757d0cb5a9de20f8fdc54db6 Mon Sep 17 00:00:00 2001
From: Anuken <arnukren@gmail.com>
Date: Mon, 18 May 2026 15:17:31 -0400
Subject: [PATCH] Fixed #12091

---
 core/src/mindustry/core/Logic.java                   |  3 ++-
 core/src/mindustry/game/Rules.java                   |  2 ++
 .../src/mindustry/world/blocks/logic/LogicBlock.java | 12 ++++++------
 3 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/core/src/mindustry/core/Logic.java b/core/src/mindustry/core/Logic.java
index d431356708..956b53cbf3 100644
--- a/core/src/mindustry/core/Logic.java
+++ b/core/src/mindustry/core/Logic.java
@@ -103,11 +103,12 @@ public class Logic implements ApplicationListener{
 
             if(state.isCampaign()){
                 //enable building AI on campaign unless the preset disables it
-
                 state.rules.coreIncinerates = true;
                 state.rules.infiniteResources = false;
                 state.rules.allowEditRules = false;
                 state.rules.allowEditWorldProcessors = false;
+                state.rules.worldProcessorPlayerLink = false;
+
                 if(state.getPlanet().enemyInfiniteItems){
                     state.rules.waveTeam.rules().infiniteResources = true;
                     state.rules.waveTeam.rules().fillItems = true;
diff --git a/core/src/mindustry/game/Rules.java b/core/src/mindustry/game/Rules.java
index 8c44d99cb1..48dd273fdd 100644
--- a/core/src/mindustry/game/Rules.java
+++ b/core/src/mindustry/game/Rules.java
@@ -98,6 +98,8 @@ public class Rules{
     public boolean logicUnitBuild = true;
     /** Whether to allow units to deconstruct blocks with logic. */
     public boolean logicUnitDeconstruct = false;
+    /** If false, world processors can't link to player structures. This is used in the campaign; see issue #12091 */
+    public boolean worldProcessorPlayerLink = true;
     /** If true, world processors can be edited and placed on this map. */
     public boolean allowEditWorldProcessors = false;
     /** If true, world processors no longer update. Used for testing. */
diff --git a/core/src/mindustry/world/blocks/logic/LogicBlock.java b/core/src/mindustry/world/blocks/logic/LogicBlock.java
index adb05a4d86..6c466acd96 100644
--- a/core/src/mindustry/world/blocks/logic/LogicBlock.java
+++ b/core/src/mindustry/world/blocks/logic/LogicBlock.java
@@ -182,7 +182,7 @@ public class LogicBlock extends Block{
 
     @Override
     public Object pointConfig(Object config, Cons<Point2> transformer){
-        if(config instanceof byte[] data){
+        if(config instanceof byte[] data && data.length <= maxCompressedLen){
 
             try(DataInputStream stream = new DataInputStream(new InflaterInputStream(new ByteArrayInputStream(data)))){
                 //discard version for now
@@ -208,8 +208,8 @@ public class LogicBlock extends Block{
                 }
 
                 return compress(bytes, links);
-            }catch(IOException e){
-                Log.err(e);
+            }catch(IOException ignored){
+                //error should not be logged
             }
         }
         return config;
@@ -705,7 +705,7 @@ public class LogicBlock extends Block{
         }
 
         public boolean validLink(Building other){
-            return other != null && other.isValid() && (privileged || (!other.block.privileged && other.team == team && other.within(this, range + other.block.size*tilesize/2f))) && !(other instanceof ConstructBuild);
+            return other != null && other.isValid() && (privileged || (!other.block.privileged && other.team == team && other.within(this, range + other.block.size*tilesize/2f))) && !(privileged && !state.rules.worldProcessorPlayerLink && other.team == state.rules.defaultTeam) && !(other instanceof ConstructBuild);
         }
 
         @Override
@@ -728,8 +728,8 @@ public class LogicBlock extends Block{
                 //this is a hack to allow configuration to work correctly in the editor for privileged processors
                 if(forceEditor) state.rules.editor = true;
                 byte[] bytes = compress(code, relativeConnections());
-                if(bytes.length >= maxCompressedLen){
-                    ui.showErrorMessage(Core.bundle.format("logic.error.toolong ", maxByteLen, bytes.length));
+                if(bytes.length > maxCompressedLen){
+                    ui.showErrorMessage(Core.bundle.format("logic.error.toolong", maxByteLen, bytes.length));
                 }else{
                     configure(bytes);
                     state.rules.editor = prev;