Fixed units pathfinding to nonexistent cores

core/src/io/anuke/mindustry/ai/Pathfinder.java

@@ -1,7 +1,6 @@
 package io.anuke.mindustry.ai;
 
 import com.badlogic.gdx.math.GridPoint2;
-import com.badlogic.gdx.utils.Array;
 import com.badlogic.gdx.utils.IntArray;
 import com.badlogic.gdx.utils.Queue;
 import com.badlogic.gdx.utils.TimeUtils;
@@ -31,7 +30,7 @@ public class Pathfinder{
 
             for(Team team : Team.all){
                 TeamData data = state.teams.get(team);
-                if(state.teams.isActive(team) && data.team != event.tile.getTeam() && paths[data.team.ordinal()].weights[event.tile.x][event.tile.y] >= Float.MAX_VALUE){
+                if(state.teams.isActive(team) && data.team != event.tile.getTeam()){
                     update(event.tile, data.team);
                 }
             }
@@ -87,28 +86,28 @@ public class Pathfinder{
     }
 
     private boolean passable(Tile tile, Team team){
-        return (!tile.solid())
+        return (!tile.solid()) || (tile.breakable() && (tile.target().getTeam() != team));
-                || (tile.breakable() && (tile.target().getTeam() != team));
     }
 
+    /**Clears the frontier, increments the search and sets up all flow sources.
+     * This only occurs for active teams.*/
     private void update(Tile tile, Team team){
+        //make sure team exists
         if(paths[team.ordinal()] != null){
             PathData path = paths[team.ordinal()];
 
+            //impassable tiles have a weight of float.max
             if(!passable(tile, team)){
                 path.weights[tile.x][tile.y] = Float.MAX_VALUE;
             }
 
+            //increment search, clear frontier
             path.search++;
-
+            path.frontier.clear();
-            if(path.lastSearchTime + 1000 / 60 * 3 > TimeUtils.millis()){
-                path.frontier.clear();
-            }
-
             path.lastSearchTime = TimeUtils.millis();
 
-            Array<Tile> set = world.indexer.getEnemy(team, BlockFlag.target);
+            //add all targets to the frontier
-            for(Tile other : set){
+            for(Tile other : world.indexer.getEnemy(team, BlockFlag.target)){
                 path.weights[other.x][other.y] = 0;
                 path.searches[other.x][other.y] = path.search;
                 path.frontier.addFirst(other);

core/src/io/anuke/mindustry/core/NetClient.java

@@ -398,6 +398,11 @@ public class NetClient extends Module{
         Net.disconnect();
     }
 
+    /**When set, any disconnects will be ignored and no dialogs will be shown.*/
+    public void setQuiet(){
+        quiet = true;
+    }
+
     public synchronized void addRemovedEntity(int id){
         removed.add(id);
     }

core/src/io/anuke/mindustry/core/NetServer.java

@@ -418,6 +418,7 @@ public class NetServer extends Module{
     @Remote(called = Loc.both)
     public static void onGameOver(Team winner){
         threads.runGraphics(() -> ui.restart.show(winner));
+        netClient.setQuiet();
     }
 
     public boolean isWaitingForPlayers(){

core/src/io/anuke/mindustry/game/EventType.java

@@ -76,6 +76,7 @@ public class EventType{
         }
     }
 
+    /**Called when block building begins. The tile's block will nearly always be a BuildBlock.*/
     public static class BlockBuildEvent implements Event{
         public final Tile tile;
         public final Team team;

core/src/io/anuke/mindustry/ui/dialogs/CustomGameDialog.java

@@ -51,7 +51,7 @@ public class CustomGameDialog extends FloatingDialog{
             if(mode.hidden) continue;
 
             modes.addButton("$mode." + mode.name() + ".name", "toggle", () -> state.mode = mode)
-                .update(b -> b.setChecked(state.mode == mode)).group(group).size(125f, 54f).padBottom(-5);
+                .update(b -> b.setChecked(state.mode == mode)).group(group).size(140f, 54f).padBottom(-5);
             if(i++ % 2 == 1) modes.row();
         }
         selmode.add(modes);
@@ -73,9 +73,8 @@ public class CustomGameDialog extends FloatingDialog{
             state.difficulty = (ds[Mathf.mod(state.difficulty.ordinal() - 1, ds.length)]);
         }).width(s);
 
-        sdif.addButton("", () -> {
+        sdif.addButton("", () -> {})
-
+        .update(t -> {
-        }).update(t -> {
             t.setText(state.difficulty.toString());
             t.setTouchable(Touchable.disabled);
         }).width(180f);