diff --git a/core/assets-raw/sprites/ui/discord-banner.png b/core/assets-raw/sprites/ui/discord-banner.png
index d73d665602..6cb422bc25 100644
Binary files a/core/assets-raw/sprites/ui/discord-banner.png and b/core/assets-raw/sprites/ui/discord-banner.png differ
diff --git a/core/assets/sprites/sprites4.png b/core/assets/sprites/sprites4.png
index 84ad928d4c..8887453e93 100644
Binary files a/core/assets/sprites/sprites4.png and b/core/assets/sprites/sprites4.png differ
diff --git a/core/assets/sprites/uiskin.json b/core/assets/sprites/uiskin.json
index 30e049a889..6ae168744c 100644
--- a/core/assets/sprites/uiskin.json
+++ b/core/assets/sprites/uiskin.json
@@ -132,6 +132,11 @@
       fontColor: white,
       up: info-banner
     },
+    discord: {
+      font: default,
+      fontColor: white,
+      up: info-banner
+    },
     clear-partial: {
       down: whiteui,
       up: pane,
diff --git a/core/src/io/anuke/mindustry/ui/fragments/MenuFragment.java b/core/src/io/anuke/mindustry/ui/fragments/MenuFragment.java
index 1b3908937a..317e8e188e 100644
--- a/core/src/io/anuke/mindustry/ui/fragments/MenuFragment.java
+++ b/core/src/io/anuke/mindustry/ui/fragments/MenuFragment.java
@@ -66,6 +66,7 @@ public class MenuFragment extends Fragment{
         //info icon
         if(mobile){
             parent.fill(c -> c.bottom().left().addButton("", "info", ui.about::show).size(84, 45));
+            parent.fill(c -> c.bottom().right().addButton("", "discord", ui.discord::show).size(84, 45));
         }
 
         String versionText = "[#ffffffba]" + ((Version.build == -1) ? "[#fc8140aa]custom build" : Version.modifier + " build " + Version.build);
diff --git a/core/src/io/anuke/mindustry/world/Block.java b/core/src/io/anuke/mindustry/world/Block.java
index 5e5e80154c..bbf58ef453 100644
--- a/core/src/io/anuke/mindustry/world/Block.java
+++ b/core/src/io/anuke/mindustry/world/Block.java
@@ -25,6 +25,7 @@ import io.anuke.mindustry.game.*;
 import io.anuke.mindustry.gen.*;
 import io.anuke.mindustry.graphics.*;
 import io.anuke.mindustry.input.InputHandler.*;
+import io.anuke.mindustry.net.Net;
 import io.anuke.mindustry.type.*;
 import io.anuke.mindustry.ui.*;
 import io.anuke.mindustry.world.blocks.*;
@@ -282,6 +283,15 @@ public class Block extends BlockStorage{
     /** Called after the block is placed by this client. */
     @CallSuper
     public void playerPlaced(Tile tile){
+        if(outputsPower && !consumesPower){
+            PowerNode.lastPlaced = tile.pos();
+        }
+    }
+
+    /** Called after the block is placed by anyone. */
+    @CallSuper
+    public void placed(Tile tile){
+        if(Net.client()) return;
 
         if((consumesPower && !outputsPower) || (!consumesPower && outputsPower)){
             int range = 10;
@@ -289,7 +299,7 @@ public class Block extends BlockStorage{
             Geometry.circle(tile.x, tile.y, range, (x, y) -> {
                 Tile other = world.ltile(x, y);
                 if(other != null && other.block instanceof PowerNode && ((PowerNode)other.block).linkValid(other, tile) && !other.entity.proximity().contains(tile) &&
-                    !(outputsPower && tile.entity.proximity().contains(p -> p.entity != null && p.entity.power != null && p.entity.power.graph == other.entity.power.graph))){
+                !(outputsPower && tile.entity.proximity().contains(p -> p.entity != null && p.entity.power != null && p.entity.power.graph == other.entity.power.graph))){
                     tempTiles.add(other);
                 }
             });
@@ -298,19 +308,11 @@ public class Block extends BlockStorage{
                 Call.linkPowerNodes(null, tempTiles.first(), tile);
             }
         }
-
-        if(outputsPower && !consumesPower){
-            PowerNode.lastPlaced = tile.pos();
-        }
     }
 
     public void removed(Tile tile){
     }
 
-    /** Called after the block is placed by anyone. */
-    public void placed(Tile tile){
-    }
-
     /** Called every frame a unit is on this tile. */
     public void unitOn(Tile tile, Unit unit){
     }
diff --git a/core/src/io/anuke/mindustry/world/blocks/power/PowerNode.java b/core/src/io/anuke/mindustry/world/blocks/power/PowerNode.java
index 77b4e8716f..86220b6acc 100644
--- a/core/src/io/anuke/mindustry/world/blocks/power/PowerNode.java
+++ b/core/src/io/anuke/mindustry/world/blocks/power/PowerNode.java
@@ -11,6 +11,7 @@ import io.anuke.arc.util.*;
 import io.anuke.mindustry.entities.type.*;
 import io.anuke.mindustry.gen.*;
 import io.anuke.mindustry.graphics.*;
+import io.anuke.mindustry.net.Net;
 import io.anuke.mindustry.ui.*;
 import io.anuke.mindustry.world.*;
 import io.anuke.mindustry.world.blocks.*;
@@ -106,6 +107,14 @@ public class PowerNode extends PowerBlock{
             Call.linkPowerNodes(null, tile, before);
         }
 
+        lastPlaced = tile.pos();
+        super.playerPlaced(tile);
+    }
+
+    @Override
+    public void placed(Tile tile){
+        if(Net.client()) return;
+
         Predicate<Tile> valid = other -> other != null && other != tile && ((!other.block().outputsPower && other.block().consumesPower) || (other.block().outputsPower && !other.block().consumesPower)) && linkValid(tile, other)
         && !other.entity.proximity().contains(tile) && other.entity.power.graph != tile.entity.power.graph;
 
@@ -120,8 +129,7 @@ public class PowerNode extends PowerBlock{
         tempTiles.sort(Structs.comparingFloat(t -> t.dst2(tile)));
         tempTiles.each(valid, other -> Call.linkPowerNodes(null, tile, other));
 
-        lastPlaced = tile.pos();
-        super.playerPlaced(tile);
+        super.placed(tile);
     }
 
     @Override
diff --git a/core/src/io/anuke/mindustry/world/blocks/power/ThermalGenerator.java b/core/src/io/anuke/mindustry/world/blocks/power/ThermalGenerator.java
index be88b2ff01..092fcbd3e8 100644
--- a/core/src/io/anuke/mindustry/world/blocks/power/ThermalGenerator.java
+++ b/core/src/io/anuke/mindustry/world/blocks/power/ThermalGenerator.java
@@ -29,11 +29,6 @@ public class ThermalGenerator extends PowerGenerator{
         drawPlaceText(Core.bundle.formatFloat("bar.efficiency", sumAttribute(Attribute.heat, x, y) * 100, 1), x, y, valid);
     }
 
-    @Override
-    public void placed(Tile tile){
-        super.placed(tile);
-    }
-
     @Override
     public void onProximityAdded(Tile tile){
         super.onProximityAdded(tile);
diff --git a/core/src/io/anuke/mindustry/world/blocks/storage/CoreBlock.java b/core/src/io/anuke/mindustry/world/blocks/storage/CoreBlock.java
index 1d6c4ee369..7b4355eb5e 100644
--- a/core/src/io/anuke/mindustry/world/blocks/storage/CoreBlock.java
+++ b/core/src/io/anuke/mindustry/world/blocks/storage/CoreBlock.java
@@ -79,6 +79,7 @@ public class CoreBlock extends StorageBlock{
 
     @Override
     public void placed(Tile tile){
+        super.placed(tile);
         state.teams.get(tile.getTeam()).cores.add(tile);
     }
 
diff --git a/server/src/io/anuke/mindustry/server/ServerControl.java b/server/src/io/anuke/mindustry/server/ServerControl.java
index ffa388b44d..8eeeba9e1c 100644
--- a/server/src/io/anuke/mindustry/server/ServerControl.java
+++ b/server/src/io/anuke/mindustry/server/ServerControl.java
@@ -14,7 +14,7 @@ import io.anuke.mindustry.entities.type.Player;
 import io.anuke.mindustry.game.*;
 import io.anuke.mindustry.game.EventType.GameOverEvent;
 import io.anuke.mindustry.gen.Call;
-import io.anuke.mindustry.io.*;
+import io.anuke.mindustry.io.SaveIO;
 import io.anuke.mindustry.maps.Map;
 import io.anuke.mindustry.maps.MapException;
 import io.anuke.mindustry.net.Administration.PlayerInfo;