Bugfixes

core/src/mindustry/ai/types/GroundAI.java

@@ -1,5 +1,6 @@
 package mindustry.ai.types;
 
+import arc.math.*;
 import mindustry.ai.Pathfinder.*;
 import mindustry.entities.*;
 import mindustry.entities.units.*;
@@ -28,6 +29,10 @@ public class GroundAI extends AIController{
             }
         }
 
+        if(unit.type().canBoost){
+            unit.elevation = Mathf.approachDelta(unit.elevation, 0f, 0.08f);
+        }
+
         if(!Units.invalidateTarget(target, unit, unit.range())){
             if(unit.type().hasWeapons()){
                 unit.aimLook(Predict.intercept(unit, target, unit.type().weapons.first().bullet.speed));

core/src/mindustry/core/NetClient.java

@@ -559,6 +559,22 @@ public class NetClient implements ApplicationListener{
                 //limit to 10 to prevent buffer overflows
                 int usedRequests = Math.min(player.builder().plans().size, 10);
 
+                int totalLength = 0;
+
+                //prevent buffer overflow by checking config length
+                for(int i = 0; i < usedRequests; i++){
+                    BuildPlan plan = player.builder().plans().get(i);
+                    if(plan.config instanceof byte[]){
+                        int length = ((byte[])plan.config).length;
+                        totalLength += length;
+                    }
+
+                    if(totalLength > 2048){
+                        usedRequests = i + 1;
+                        break;
+                    }
+                }
+
                 requests = new BuildPlan[usedRequests];
                 for(int i = 0; i < usedRequests; i++){
                     requests[i] = player.builder().plans().get(i);

core/src/mindustry/core/NetServer.java

@@ -614,7 +614,7 @@ public class NetServer implements ApplicationListener{
             Unit unit = player.unit();
 
             long elapsed = Time.timeSinceMillis(con.lastReceivedClientTime);
-            float maxSpeed = (boosting ? player.unit().type().boostMultiplier : 1f) * player.unit().type().speed;
+            float maxSpeed = ((player.unit().type().canBoost && player.unit().isFlying()) ? player.unit().type().boostMultiplier : 1f) * player.unit().type().speed;
             if(unit.isGrounded()){
                 maxSpeed *= unit.floorSpeedMultiplier();
             }

core/src/mindustry/net/Administration.java

@@ -75,9 +75,13 @@ public class Administration{
         addActionFilter(action -> {
             if(action.type != ActionType.breakBlock &&
                 action.type != ActionType.placeBlock &&
-                Config.antiSpam.bool() &&
-                //make sure players can configure their own stuff, e.g. in schematics
-                lastPlaced.get(action.tile.pos(), -1) != action.player.id()){
+                Config.antiSpam.bool()){
+
+                //make sure players can configure their own stuff, e.g. in schematics - but only once.
+                if(lastPlaced.get(action.tile.pos(), -1) == action.player.id()){
+                    lastPlaced.remove(action.tile.pos());
+                    return true;
+                }
 
                 Ratekeeper rate = action.player.getInfo().rate;
                 if(rate.allow(Config.interactRateWindow.num() * 1000, Config.interactRateLimit.num())){

core/src/mindustry/ui/dialogs/ResearchDialog.java

@@ -233,7 +233,7 @@ public class ResearchDialog extends BaseDialog{
     }
 
     boolean selectable(TechNode node){
-        return !node.objectives.contains(i -> !i.complete());
+        return node.content.unlocked() || !node.objectives.contains(i -> !i.complete());
     }
 
     void showToast(String info){