Fixed #8782

core/src/mindustry/entities/comp/BuildingComp.java

@@ -1956,6 +1956,9 @@ abstract class BuildingComp implements Posc, Teamc, Healthc, Buildingc, Timerc,
             case health -> {
                 health = (float)Mathf.clamp(value, 0, maxHealth);
                 healthChanged();
+                if(health <= 0f && !dead()){
+                    Call.buildDestroyed(self());
+                }
             }
             case team -> {
                 Team team = Team.get((int)value);

core/src/mindustry/entities/comp/UnitComp.java

@@ -261,7 +261,12 @@ abstract class UnitComp implements Healthc, Physicsc, Hitboxc, Statusc, Teamc, I
     @Override
     public void setProp(LAccess prop, double value){
         switch(prop){
-            case health -> health = (float)Mathf.clamp(value, 0, maxHealth);
+            case health -> {
+                health = (float)Mathf.clamp(value, 0, maxHealth);
+                if(health <= 0f && !dead){
+                    kill();
+                }
+            }
             case x -> x = World.unconv((float)value);
             case y -> y = World.unconv((float)value);
             case rotation -> rotation = (float)value;

core/src/mindustry/service/GameService.java

@@ -189,7 +189,7 @@ public class GameService{
             }
         });
 
-        Events.on(BlockBuildBeginEvent.class, e -> {
+        Events.on(BlockBuildEndEvent.class, e -> {
             if(campaign() && state.rules.sector == SectorPresets.groundZero.sector && e.tile.block() == Blocks.coreNucleus){
                 nucleusGroundZero.complete();
             }

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

@@ -359,8 +359,14 @@ public class CoreBlock extends StorageBlock{
 
         @Override
         public void changeTeam(Team next){
+            if(this.team == next) return;
+
+            state.teams.unregisterCore(this);
+
             super.changeTeam(next);
 
+            state.teams.registerCore(this);
+
             Events.fire(new CoreChangeEvent(this));
         }