diff --git a/build.gradle b/build.gradle
index 7adb39d517..90e50b2227 100644
--- a/build.gradle
+++ b/build.gradle
@@ -142,18 +142,13 @@ project(":ios") {
         compile "com.badlogicgames.gdx:gdx-backend-robovm:$gdxVersion"
         compile "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-ios"
     }
-
-    robovm {
-        iosSignIdentity = "a"
-        iosProvisioningProfile = ""
-    }
 }
 
 project(":core") {
     apply plugin: "java"
 
     dependencies {
-        boolean comp = System.properties["release"] == null || System.properties["release"] == "false"
+        boolean comp = true//System.properties["release"] == null || System.properties["release"] == "false"
 
         if(!comp){
             println("NOTICE: Compiling release build.")
@@ -161,7 +156,7 @@ project(":core") {
             println("Compiling DEBUG build.")
         }
 
-        if(new File('../uCore').exists() && comp){
+        if(new File(projectDir.parent, '../uCore').exists() && comp){
             compile project(":uCore")
         }else{
             compile "com.github.anuken:ucore:$uCoreVersion"
diff --git a/core/src/io/anuke/mindustry/Vars.java b/core/src/io/anuke/mindustry/Vars.java
index f39511b080..75730d6277 100644
--- a/core/src/io/anuke/mindustry/Vars.java
+++ b/core/src/io/anuke/mindustry/Vars.java
@@ -106,22 +106,22 @@ public class Vars{
 			new Locale("de"), new Locale("pt", "BR"), new Locale("ko"), new Locale("in", "ID"), new Locale("ita"), new Locale("es")};
 
 	public static final Color[] playerColors = {
-			Color.valueOf("82759a"),
-			Color.valueOf("c0c1c5"),
-			Color.valueOf("fff0e7"),
-			Color.valueOf("7d2953"),
-			Color.valueOf("ff074e"),
-			Color.valueOf("ff072a"),
-			Color.valueOf("ff76a6"),
-			Color.valueOf("a95238"),
-			Color.valueOf("ffa108"),
-			Color.valueOf("feeb2c"),
-			Color.valueOf("ffcaa8"),
-			Color.valueOf("008551"),
-			Color.valueOf("00e339"),
-			Color.valueOf("423c7b"),
-			Color.valueOf("4b5ef1"),
-			Color.valueOf("2cabfe"),
+		Color.valueOf("82759a"),
+		Color.valueOf("c0c1c5"),
+		Color.valueOf("fff0e7"),
+		Color.valueOf("7d2953"),
+		Color.valueOf("ff074e"),
+		Color.valueOf("ff072a"),
+		Color.valueOf("ff76a6"),
+		Color.valueOf("a95238"),
+		Color.valueOf("ffa108"),
+		Color.valueOf("feeb2c"),
+		Color.valueOf("ffcaa8"),
+		Color.valueOf("008551"),
+		Color.valueOf("00e339"),
+		Color.valueOf("423c7b"),
+		Color.valueOf("4b5ef1"),
+		Color.valueOf("2cabfe"),
 	};
 
 	//server port
diff --git a/core/src/io/anuke/mindustry/core/NetClient.java b/core/src/io/anuke/mindustry/core/NetClient.java
index 8038c3f1cf..768304e2b2 100644
--- a/core/src/io/anuke/mindustry/core/NetClient.java
+++ b/core/src/io/anuke/mindustry/core/NetClient.java
@@ -258,19 +258,11 @@ public class NetClient extends Module {
             ui.restart.show();
         });
 
-        Net.handleClient(FriendlyFireChangePacket.class, packet -> state.friendlyFire = packet.enabled);
-
         Net.handleClient(NetErrorPacket.class, packet -> {
             ui.showError(packet.message);
             disconnectQuietly();
         });
 
-        Net.handleClient(PlayerAdminPacket.class, packet -> {
-            Player player = playerGroup.getByID(packet.id);
-            player.isAdmin = packet.admin;
-            ui.listfrag.rebuild();
-        });
-
         Net.handleClient(TracePacket.class, packet -> {
             Player player = playerGroup.getByID(packet.info.playerid);
             ui.traces.show(player, packet.info);
diff --git a/core/src/io/anuke/mindustry/entities/Bullet.java b/core/src/io/anuke/mindustry/entities/Bullet.java
index 87d2f84e78..58c4b07e0c 100644
--- a/core/src/io/anuke/mindustry/entities/Bullet.java
+++ b/core/src/io/anuke/mindustry/entities/Bullet.java
@@ -107,7 +107,7 @@ public class Bullet extends BulletEntity<BulletType>{
 	}
 
 	@Override
-	public int getDamage(){
+	public float getDamage(){
 		return damage == -1 ? type.damage : damage;
 	}
 
diff --git a/core/src/io/anuke/mindustry/entities/BulletType.java b/core/src/io/anuke/mindustry/entities/BulletType.java
index 61e7172ac0..1c94cad697 100644
--- a/core/src/io/anuke/mindustry/entities/BulletType.java
+++ b/core/src/io/anuke/mindustry/entities/BulletType.java
@@ -11,8 +11,7 @@ public abstract class BulletType extends BaseBulletType<Bullet>{
 	public StatusEffect status = StatusEffects.none;
 	public float statusIntensity = 0.5f;
 
-	//TODO use float damage
-	public BulletType(float speed, int damage){
+	public BulletType(float speed, float damage){
 		this.speed = speed;
 		this.damage = damage;
 		lifetime = 40f;
diff --git a/core/src/io/anuke/mindustry/entities/effect/Lightning.java b/core/src/io/anuke/mindustry/entities/effect/Lightning.java
index cd2b8b0286..df7500f5f4 100644
--- a/core/src/io/anuke/mindustry/entities/effect/Lightning.java
+++ b/core/src/io/anuke/mindustry/entities/effect/Lightning.java
@@ -31,7 +31,7 @@ public class Lightning extends TimedEntity implements Poolable{
 
     public Color color = Palette.lancerLaser;
 
-    public static void create(Team team, Effect effect, Color color, int damage, float x, float y, float targetAngle, int length){
+    public static void create(Team team, Effect effect, Color color, float damage, float x, float y, float targetAngle, int length){
         Lightning l = Pools.obtain(Lightning.class);
 
         l.x = x;
@@ -68,10 +68,10 @@ public class Lightning extends TimedEntity implements Poolable{
                 Rectangle hitbox = entity.hitbox.getRect(entity.x, entity.y, range);
 
                 if(hitbox.contains(x2, y2) || hitbox.contains(fx, fy)){
-                    int result = damage;
+                    float result = damage;
 
                     if(entity.status.current() == StatusEffects.wet)
-                        result = (int)(result * wetDamageMultiplier);
+                        result = (result * wetDamageMultiplier);
 
                     entity.damage(result);
                     Effects.effect(effect, x2, y2, fangle);
diff --git a/core/src/io/anuke/mindustry/net/Invoke.java b/core/src/io/anuke/mindustry/net/Invoke.java
index 36a0bc7d4e..1dedc24206 100644
--- a/core/src/io/anuke/mindustry/net/Invoke.java
+++ b/core/src/io/anuke/mindustry/net/Invoke.java
@@ -5,6 +5,7 @@ import com.badlogic.gdx.utils.reflect.ClassReflection;
 import com.badlogic.gdx.utils.reflect.Method;
 import com.badlogic.gdx.utils.reflect.ReflectionException;
 import io.anuke.mindustry.Vars;
+import io.anuke.mindustry.entities.Player;
 import io.anuke.mindustry.game.Team;
 import io.anuke.mindustry.net.Net.SendMode;
 import io.anuke.mindustry.net.Packets.InvokePacket;
@@ -17,6 +18,8 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.nio.ByteBuffer;
 
+import static io.anuke.mindustry.Vars.playerGroup;
+
 /**Class for invoking static methods of other classes remotely.*/
 public class Invoke {
     private static ObjectMap<Class, ObjectMap<String, Method>> methods = new ObjectMap<>();
@@ -52,6 +55,10 @@ public class Invoke {
         on(NetEvents.class, methodName, args);
     }
 
+    public static void eventRemote(String methodName, Object... args){
+        on(NetEvents.class, methodName, args);
+    }
+
     //TODO refactor to serializer map!
     static void writeObjects(ByteBuffer buffer, Object[] objects){
         for(Object o : objects){
@@ -76,6 +83,8 @@ public class Invoke {
             }else if(type == Entity.class){
                 buffer.put((byte)((Entity)o).getGroup().getID());
                 buffer.putInt(((Entity)o).id);
+            }else if(type == Player.class){
+                buffer.putInt(((Player)o).id);
             }else if(type == Team.class){
                 buffer.put((byte)((Team)o).ordinal());
             }else if(type == String.class){
@@ -110,6 +119,9 @@ public class Invoke {
                 byte group = buffer.get();
                 int id = buffer.getInt();
                 obj = Entities.getGroup(group).getByID(id);
+            }else if(type == Player.class){
+                int id = buffer.getInt();
+                obj = playerGroup.getByID(id);
             }else if(type == Team.class){
                 obj = Team.values()[buffer.get()];
             }else if(type == String.class){
diff --git a/core/src/io/anuke/mindustry/net/NetEvents.java b/core/src/io/anuke/mindustry/net/NetEvents.java
index 36c4d75701..2cddfbeddf 100644
--- a/core/src/io/anuke/mindustry/net/NetEvents.java
+++ b/core/src/io/anuke/mindustry/net/NetEvents.java
@@ -18,13 +18,10 @@ import static io.anuke.mindustry.Vars.*;
 
 public class NetEvents {
 
-    public static void handleFriendlyFireChange(boolean enabled){
-        FriendlyFireChangePacket packet = Pools.obtain(FriendlyFireChangePacket.class);
-        packet.enabled = enabled;
+    public static void friendlyFireChange(boolean enabled){
+        state.friendlyFire = enabled;
 
-        netCommon.sendMessage(enabled ? "[accent]Friendly fire enabled." : "[accent]Friendly fire disabled.");
-
-        Net.send(packet, SendMode.tcp);
+        if(Net.server()) netCommon.sendMessage(enabled ? "[accent]Friendly fire enabled." : "[accent]Friendly fire disabled.");
     }
 
     public static void handleGameOver(){
@@ -117,12 +114,12 @@ public class NetEvents {
         Net.send(packet, SendMode.tcp);
     }
 
-    public static void handleAdminSet(Player player, boolean admin){
-        PlayerAdminPacket packet = Pools.obtain(PlayerAdminPacket.class);
-        packet.admin = admin;
-        packet.id = player.id;
+    public static void adminSet(Player player, boolean admin){
         player.isAdmin = admin;
-        Net.send(packet, SendMode.tcp);
+
+        if(Net.client()){
+            ui.listfrag.rebuild();
+        }
     }
 
     public static void handleAdministerRequest(Player target, AdminAction action){
diff --git a/core/src/io/anuke/mindustry/net/Packets.java b/core/src/io/anuke/mindustry/net/Packets.java
index 596f22ae8e..97ba244375 100644
--- a/core/src/io/anuke/mindustry/net/Packets.java
+++ b/core/src/io/anuke/mindustry/net/Packets.java
@@ -477,24 +477,6 @@ public class Packets {
         public void read(ByteBuffer buffer) { }
     }
 
-    public static class FriendlyFireChangePacket implements Packet{
-        public boolean enabled;
-
-        @Override
-        public void write(ByteBuffer buffer) {
-            buffer.put(enabled ? 1 : (byte)0);
-        }
-
-        @Override
-        public void read(ByteBuffer buffer) {
-            enabled = buffer.get() == 1;
-        }
-    }
-
-    public static class CustomMapPacket extends Streamable{
-
-    }
-
     public static class MapAckPacket implements Packet{
         @Override
         public void write(ByteBuffer buffer) { }
@@ -517,23 +499,6 @@ public class Packets {
         }
     }
 
-    public static class PlayerAdminPacket implements Packet{
-        public boolean admin;
-        public int id;
-
-        @Override
-        public void write(ByteBuffer buffer) {
-            buffer.put(admin ? (byte)1 : 0);
-            buffer.putInt(id);
-        }
-
-        @Override
-        public void read(ByteBuffer buffer) {
-            admin = buffer.get() == 1;
-            id = buffer.getInt();
-        }
-    }
-
     public static class AdministerRequestPacket implements Packet{
         public AdminAction action;
         public int id;
diff --git a/core/src/io/anuke/mindustry/net/Registrator.java b/core/src/io/anuke/mindustry/net/Registrator.java
index 36960edd23..0997cdc84a 100644
--- a/core/src/io/anuke/mindustry/net/Registrator.java
+++ b/core/src/io/anuke/mindustry/net/Registrator.java
@@ -32,12 +32,9 @@ public class Registrator {
         EntityRequestPacket.class,
         ConnectConfirmPacket.class,
         GameOverPacket.class,
-        FriendlyFireChangePacket.class,
-        CustomMapPacket.class,
         MapAckPacket.class,
         EntitySpawnPacket.class,
         NetErrorPacket.class,
-        PlayerAdminPacket.class,
         AdministerRequestPacket.class,
         TracePacket.class,
         InvokePacket.class,
diff --git a/core/src/io/anuke/mindustry/ui/dialogs/AdminsDialog.java b/core/src/io/anuke/mindustry/ui/dialogs/AdminsDialog.java
index b1986af887..3715c755dd 100644
--- a/core/src/io/anuke/mindustry/ui/dialogs/AdminsDialog.java
+++ b/core/src/io/anuke/mindustry/ui/dialogs/AdminsDialog.java
@@ -2,6 +2,7 @@ package io.anuke.mindustry.ui.dialogs;
 
 import io.anuke.mindustry.entities.Player;
 import io.anuke.mindustry.net.Administration.PlayerInfo;
+import io.anuke.mindustry.net.Invoke;
 import io.anuke.mindustry.net.Net;
 import io.anuke.mindustry.net.NetConnection;
 import io.anuke.mindustry.net.NetEvents;
@@ -49,7 +50,7 @@ public class AdminsDialog extends FloatingDialog {
                     for(Player player : playerGroup.all()){
                         NetConnection c = Net.getConnection(player.clientid);
                         if(c != null){
-                            NetEvents.handleAdminSet(player, false);
+                            Invoke.event("adminSet", player, false);
                             break;
                         }
                     }
diff --git a/core/src/io/anuke/mindustry/ui/fragments/PlayerListFragment.java b/core/src/io/anuke/mindustry/ui/fragments/PlayerListFragment.java
index 47f4359c3f..c2a8dc68d0 100644
--- a/core/src/io/anuke/mindustry/ui/fragments/PlayerListFragment.java
+++ b/core/src/io/anuke/mindustry/ui/fragments/PlayerListFragment.java
@@ -3,6 +3,7 @@ package io.anuke.mindustry.ui.fragments;
 import io.anuke.mindustry.Vars;
 import io.anuke.mindustry.core.GameState.State;
 import io.anuke.mindustry.entities.Player;
+import io.anuke.mindustry.net.Invoke;
 import io.anuke.mindustry.net.Net;
 import io.anuke.mindustry.net.NetConnection;
 import io.anuke.mindustry.net.NetEvents;
@@ -48,7 +49,7 @@ public class PlayerListFragment implements Fragment{
 
                     get().addCheck("$text.server.friendlyfire", b -> {
                         state.friendlyFire = b;
-                        NetEvents.handleFriendlyFireChange(b);
+                        Invoke.event("friendlyFireChange", b);
                     }).growX().update(i -> i.setChecked(state.friendlyFire)).disabled(b -> Net.client()).padRight(5);
 
                     new button("$text.server.bans", () -> {
@@ -155,12 +156,12 @@ public class PlayerListFragment implements Fragment{
                         if(netServer.admins.isAdmin(id, connection.address)){
                             ui.showConfirm("$text.confirm", "$text.confirmunadmin", () -> {
                                 netServer.admins.unAdminPlayer(id);
-                                NetEvents.handleAdminSet(player, false);
+                                Invoke.event("adminSet", player, false);
                             });
                         }else{
                             ui.showConfirm("$text.confirm", "$text.confirmadmin", () -> {
                                 netServer.admins.adminPlayer(id, connection.address);
-                                NetEvents.handleAdminSet(player, true);
+                                Invoke.event("adminSet", player, true);
                             });
                         }
                     }).update(b ->{
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index a5fe1cb94b..f6b961fd5a 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 5a02e80bc2..bf3de21830 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Wed May 02 11:26:02 EDT 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip