Massively improved thread safety

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

@@ -23,7 +23,6 @@ import io.anuke.mindustry.type.ItemStack;
 import io.anuke.mindustry.type.Recipe;
 import io.anuke.mindustry.ui.dialogs.FloatingDialog;
 import io.anuke.ucore.core.*;
-import io.anuke.ucore.entities.Entities;
 import io.anuke.ucore.entities.EntityQuery;
 import io.anuke.ucore.modules.Module;
 import io.anuke.ucore.util.Atlas;
@@ -382,10 +381,6 @@ public class Control extends Module{
                 }
             }
 
-            if(!state.is(State.paused) || Net.active()){
-                Entities.update(effectGroup);
-                Entities.update(groundEffectGroup);
-            }
         }else{
             if(!state.is(State.paused) || Net.active()){
                 Timers.update();

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

@@ -147,6 +147,10 @@ public class Logic extends Module{
                 if(!Entities.defaultGroup().isEmpty())
                     throw new RuntimeException("Do not add anything to the default group!");
 
+                if(!headless){
+                    Entities.update(effectGroup);
+                    Entities.update(groundEffectGroup);
+                }
 
                 for(EntityGroup group : unitGroups){
                     Entities.update(group);

core/src/io/anuke/mindustry/entities/Units.java

@@ -11,6 +11,7 @@ import io.anuke.ucore.entities.EntityGroup;
 import io.anuke.ucore.entities.EntityQuery;
 import io.anuke.ucore.function.Consumer;
 import io.anuke.ucore.function.Predicate;
+import io.anuke.ucore.util.Threads;
 import io.anuke.ucore.util.EnumSet;
 
 import static io.anuke.mindustry.Vars.*;
@@ -20,10 +21,11 @@ import static io.anuke.mindustry.Vars.*;
  */
 public class Units{
     private static Rectangle rect = new Rectangle();
+    private static Rectangle rectGraphics = new Rectangle();
     private static Rectangle hitrect = new Rectangle();
     private static Unit result;
     private static float cdist;
-    private static boolean boolResult;
+    private static boolean boolResult, boolResultGraphics;
 
     /**
      * Validates a target.
@@ -63,22 +65,43 @@ public class Units{
         return anyEntities(rect);
     }
 
+    /**Can be called from any thread.*/
     public static boolean anyEntities(Rectangle rect){
+        if(Threads.isLogic()){
+            boolResult = false;
 
-        boolResult = false;
+            Units.getNearby(rect, unit -> {
+                if(boolResult) return;
+                if(!unit.isFlying()){
+                    unit.getHitbox(hitrect);
 
-        Units.getNearby(rect, unit -> {
-            if(boolResult) return;
-            if(!unit.isFlying()){
-                unit.getHitbox(hitrect);
-
-                if(hitrect.overlaps(rect)){
-                    boolResult = true;
+                    if(hitrect.overlaps(rect)){
+                        boolResult = true;
+                    }
                 }
-            }
-        });
+            });
 
-        return boolResult;
+            return boolResult;
+        }else{
+            for(EntityGroup<? extends BaseUnit> g : unitGroups){
+                g.forEach(u -> {
+                    u.getHitbox(rectGraphics);
+                    if(rectGraphics.overlaps(rect)){
+                        boolResultGraphics = true;
+                    }
+                });
+                if(boolResultGraphics) return true;
+            }
+
+            playerGroup.forEach(u -> {
+                u.getHitbox(rectGraphics);
+                if(rectGraphics.overlaps(rect)){
+                    boolResultGraphics = true;
+                }
+            });
+
+            return boolResultGraphics;
+        }
     }
 
     /**Returns whether there are any entities on this tile, with the hitbox expanded.*/

core/src/io/anuke/mindustry/input/InputHandler.java

@@ -254,7 +254,6 @@ public abstract class InputHandler extends InputAdapter{
                 && tile.floor().drops != null && tile.floor().drops.item.hardness <= player.mech.drillPower
                 && !tile.floor().playerUnmineable
                 && player.inventory.canAcceptItem(tile.floor().drops.item)
-                && Units.getClosestEnemy(player.getTeam(), tile.worldx(), tile.worldy(), 40f, e -> true) == null //don't being mining when an enemy is near
                 && tile.block() == Blocks.air && player.distanceTo(tile.worldx(), tile.worldy()) <= Player.mineDistance;
     }
 
@@ -330,12 +329,8 @@ public abstract class InputHandler extends InputAdapter{
     public boolean validPlace(int x, int y, Block type, int rotation){
         for(Tile tile : state.teams.get(player.getTeam()).cores){
             if(tile.distanceTo(x * tilesize, y * tilesize) < coreBuildRange){
-                //TODO terrible hack
-                //this might actually screw things up on the logic thread.
-                try{
-                    return Build.validPlace(player.getTeam(), x, y, type, rotation) &&
-                    Vector2.dst(player.x, player.y, x * tilesize, y * tilesize) < Player.placeDistance;
-                }catch(Exception e){return false;}
+                return Build.validPlace(player.getTeam(), x, y, type, rotation) &&
+                Vector2.dst(player.x, player.y, x * tilesize, y * tilesize) < Player.placeDistance;
             }
         }
 

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

@@ -1,6 +1,5 @@
 package io.anuke.mindustry.ui.dialogs;
 
-import io.anuke.mindustry.entities.Player;
 import io.anuke.mindustry.net.Administration.PlayerInfo;
 import io.anuke.ucore.scene.ui.ScrollPane;
 import io.anuke.ucore.scene.ui.layout.Table;
@@ -43,12 +42,18 @@ public class AdminsDialog extends FloatingDialog{
             res.addImageButton("icon-cancel", 14 * 3, () -> {
                 ui.showConfirm("$text.confirm", "$text.confirmunadmin", () -> {
                     netServer.admins.unAdminPlayer(info.id);
+                    playerGroup.forEach(player -> {
+                        if(player.uuid.equals(info.id)){
+                            player.isAdmin = false;
+                        }
+                    });
+                    /*
                     for(Player player : playerGroup.all()){
                         if(player.con != null){
                             player.isAdmin = false;
                             break;
                         }
-                    }
+                    }*/
                     setup();
                 });
             }).size(h).pad(-14f);

core/src/io/anuke/mindustry/ui/fragments/PlayerListFragment.java

@@ -66,10 +66,10 @@ public class PlayerListFragment extends Fragment{
 
         float h = 74f;
 
-        for(Player player : playerGroup.all()){
+        playerGroup.forEach(player -> {
             NetConnection connection = gwt ? null : player.con;
 
-            if(connection == null && Net.server() && !player.isLocal) continue;
+            if(connection == null && Net.server() && !player.isLocal) return;
 
             Table button = new Table("button");
             button.left();
@@ -134,7 +134,7 @@ public class PlayerListFragment extends Fragment{
 
             content.add(button).padBottom(-6).width(350f).maxHeight(h + 14);
             content.row();
-        }
+        });
 
         content.marginBottom(5);
     }