Fixed #3540 / Fixed #3544 / Fixed #3542

core/src/mindustry/world/blocks/campaign/LaunchPad.java

@@ -58,7 +58,7 @@ public class LaunchPad extends Block{
 
         @Override
         public Cursor getCursor(){
-            return !state.isCampaign() ? SystemCursor.arrow : super.getCursor();
+            return !state.isCampaign() || net.client() ? SystemCursor.arrow : super.getCursor();
         }
 
         @Override
@@ -136,7 +136,7 @@ public class LaunchPad extends Block{
 
         @Override
         public void buildConfiguration(Table table){
-            if(!state.isCampaign()){
+            if(!state.isCampaign() || net.client()){
                 deselect();
                 return;
             }
@@ -234,7 +234,9 @@ public class LaunchPad extends Block{
                         Events.fire(new LaunchItemEvent(stack));
                     }
 
-                    destsec.addItems(dest);
+                    if(!net.client()){
+                        destsec.addItems(dest);
+                    }
                 }
             }
         }

core/src/mindustry/world/blocks/distribution/Junction.java

@@ -50,7 +50,7 @@ public class Junction extends Block{
                         Building dest = nearby(i);
 
                         //skip blocks that don't want the item, keep waiting until they do
-                        if(dest == null || !dest.acceptItem(this, item) || dest.team != team){
+                        if(item == null || dest == null || !dest.acceptItem(this, item) || dest.team != team){
                             continue;
                         }
 

core/src/mindustry/world/blocks/storage/CoreBlock.java

@@ -144,7 +144,7 @@ public class CoreBlock extends StorageBlock{
             //right before placing, create a "destination" item array which is all the previous items minus core requirements
             ItemModule items = tile.build.items.copy();
             if(!state.rules.infiniteResources){
-                items.remove(requirements);
+                items.remove(ItemStack.mult(requirements, state.rules.buildCostMultiplier));
             }
 
             nextItems = items;
@@ -157,7 +157,7 @@ public class CoreBlock extends StorageBlock{
 
         if(!canPlaceOn(world.tile(x, y), player.team())){
 
-            drawPlaceText(Core.bundle.get((player.team().core() != null && player.team().core().items.has(requirements)) || state.rules.infiniteResources ?
+            drawPlaceText(Core.bundle.get((player.team().core() != null && player.team().core().items.has(requirements, state.rules.buildCostMultiplier)) || state.rules.infiniteResources ?
                 "bar.corereq" :
                 "bar.noresources"
             ), x, y, valid);