Steam kick bugfixes

core/src/mindustry/ai/Pathfinder.java

@@ -230,8 +230,7 @@ public class Pathfinder implements Runnable{
         for(Flowfield path : mainList){
             if(path != null){
                 synchronized(path.targets){
-                    path.targets.clear();
-                    path.getPositions(path.targets);
+                    path.updateTargetPositions();
                 }
             }
         }
@@ -312,8 +311,7 @@ public class Pathfinder implements Runnable{
             synchronized(path.targets){
                 //make sure the position actually changed
                 if(!(path.targets.size == 1 && tmpArray.size == 1 && path.targets.first() == tmpArray.first())){
-                    path.targets.clear();
-                    path.getPositions(path.targets);
+                    path.updateTargetPositions();
 
                     //queue an update
                     queue.post(() -> updateTargets(path));
@@ -367,8 +365,7 @@ public class Pathfinder implements Runnable{
     }
 
     private void preloadPath(Flowfield path){
-        path.targets.clear();
-        path.getPositions(path.targets);
+        path.updateTargetPositions();
         registerPath(path);
         updateFrontier(path, -1);
     }
@@ -493,10 +490,10 @@ public class Pathfinder implements Runnable{
         protected Team team = Team.derelict;
         /** Function for calculating path cost. Set before using. */
         protected PathCost cost = costTypes.get(costGround);
-        /** If true, this flow field needs updating. This flag is only set to false once the flow field finishes and the weights are copied over. */
-        protected boolean dirty = false;
         /** Whether there are valid weights in the complete array. */
         protected volatile boolean hasComplete;
+        /** If true, this flow field needs updating. This flag is only set to false once the flow field finishes and the weights are copied over. */
+        protected boolean dirty = false;
 
         /** costs of getting to a specific tile */
         public int[] weights;
@@ -524,6 +521,11 @@ public class Pathfinder implements Runnable{
             this.initialized = true;
         }
 
+        public void updateTargetPositions(){
+            targets.clear();
+            getPositions(targets);
+        }
+
         protected boolean passable(int pos){
             return cost.getCost(team.id, pathfinder.tiles[pos]) != impassable;
         }

core/src/mindustry/graphics/InverseKinematics.java

@@ -12,6 +12,19 @@ public class InverseKinematics{
         return solve(lengthA, lengthB, end, at1, result);
     }
 
+    /**
+     inputs:
+
+     @param lengthA first line segment length
+     @param lengthB second line segment length
+     @param end length of the endpoint you want to reach
+     @param attractor direction you want the result to be closer to (since there are usually 2 solutions)
+
+     output:
+
+     @param result a point in-between (0, 0) and (end) such that (0, 0).dst(result) == lengthA and result.dst(end) == lengthB - or in basic terms, the position of a joint between (0, 0) and end where the two lengths of segments are lengthA and lengthB
+     @return whether IK succeeded (this can fail if end is too far, for example)
+     */
     public static boolean solve(float lengthA, float lengthB, Vec2 end, Vec2 attractor, Vec2 result){
         Vec2 axis = mat2[0].set(end).nor();
         mat2[1].set(attractor).sub(temp2.set(axis).scl(attractor.dot(axis))).nor();

core/src/mindustry/net/BeControl.java

@@ -151,7 +151,7 @@ public class BeControl{
                         Log.info("&lcAutosaved.");
 
                         netServer.kickAll(KickReason.serverRestarting);
-                        Threads.sleep(32);
+                        Threads.sleep(500);
 
                         Log.info("&lcVersion downloaded, exiting. Note that if you are not using a auto-restart script, the server will not restart automatically.");
                         //replace old file with new

core/src/mindustry/net/NetConnection.java

@@ -1,5 +1,6 @@
 package mindustry.net;
 
+import arc.*;
 import arc.struct.*;
 import arc.util.*;
 import mindustry.entities.units.*;
@@ -76,7 +77,12 @@ public abstract class NetConnection{
             Call.kick(this, reason);
         }
 
-        close();
+        if(uuid.startsWith("steam:")){
+            //run with a 2-frame delay so there is time to send the kick packet, steam handles this weirdly
+            Core.app.post(() -> Core.app.post(this::close));
+        }else{
+            close();
+        }
 
         netServer.admins.save();
         kicked = true;