Added freebuild / Power system fix / Net packet pool fix / Crash fixes

core/assets/bundles/bundle.properties

@@ -1,7 +1,6 @@
 text.about=Created by [ROYAL]Anuken[] - [SKY]anukendev@gmail.com[]
 text.credits=Credits
 text.discord=Join the mindustry discord!
-text.changes=[SCARLET]Attention!\n[]Some important game mechanics have been changed.\n\n- [accent]Teleporters[] now use power.\n- [accent]Smelteries[] and [accent]crucibles[] now have a maximum item capacity.\n- [accent]Crucibles[] now require coal as fuel.
 text.link.discord.description=the official Mindustry discord chatroom
 text.link.github.description=Game source code
 text.link.dev-builds.description=Unstable development builds
@@ -271,15 +270,6 @@ text.info.title=[accent]Info
 text.error.title=[crimson]An error has occured
 text.error.crashmessage=[SCARLET]An unexpected error has occured, which would have caused a crash.\n[]Please report the exact circumstances under which this error occured to the developer: \n[ORANGE]anukendev@gmail.com[]
 text.error.crashtitle=An error has occured
-text.mode.break=Break mode: {0}
-text.mode.place=Place mode: {0}
-placemode.hold.name=line
-placemode.areadelete.name=area
-placemode.touchdelete.name=touch
-placemode.holddelete.name=hold
-placemode.none.name=none
-placemode.touch.name=touch
-placemode.cursor.name=cursor
 text.blocks.blockinfo=Block Info
 text.blocks.powercapacity=Power Capacity
 text.blocks.powershot=Power/Shot

core/src/io/anuke/mindustry/content/blocks/PowerBlocks.java

@@ -13,7 +13,7 @@ public class PowerBlocks extends BlockList implements ContentList {
     @Override
     public void load() {
         combustionGenerator = new BurnerGenerator("combustion-generator") {{
-            powerOutput = 0.06f;
+            powerOutput = 0.09f;
             powerCapacity = 40f;
             itemDuration = 40f;
         }};
@@ -27,7 +27,7 @@ public class PowerBlocks extends BlockList implements ContentList {
         }};
 
         turbineGenerator = new TurbineGenerator("turbine-generator") {{
-            powerOutput = 0.15f;
+            powerOutput = 0.25f;
             powerCapacity = 40f;
             itemDuration = 30f;
             size = 2;

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

@@ -1,6 +1,9 @@
 package io.anuke.mindustry.core;
 
-import com.badlogic.gdx.utils.*;
+import com.badlogic.gdx.utils.Array;
+import com.badlogic.gdx.utils.ObjectSet;
+import com.badlogic.gdx.utils.OrderedMap;
+import com.badlogic.gdx.utils.OrderedSet;
 import io.anuke.mindustry.content.*;
 import io.anuke.mindustry.content.blocks.*;
 import io.anuke.mindustry.content.bullets.*;
@@ -28,6 +31,7 @@ public class ContentLoader {
     private static boolean loaded = false;
     private static ObjectSet<Array<? extends Content>> contentSet = new OrderedSet<>();
     private static OrderedMap<String, Array<Content>> contentMap = new OrderedMap<>();
+    private static ObjectSet<Consumer<Content>> initialization = new ObjectSet<>();
     private static ContentList[] content = {
         //effects
         new BlockFx(),
@@ -132,11 +136,15 @@ public class ContentLoader {
 
     /**Initializes all content with the specified function.*/
     public static void initialize(Consumer<Content> callable){
+        if(initialization.contains(callable)) return;
+
         for(Array<? extends Content> arr : contentSet){
             for(Content content : arr){
                 callable.accept(content);
             }
         }
+
+        initialization.add(callable);
     }
 
     public static void dispose(){

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

@@ -13,10 +13,10 @@ import io.anuke.mindustry.entities.TileEntity;
 import io.anuke.mindustry.game.Content;
 import io.anuke.mindustry.game.ContentDatabase;
 import io.anuke.mindustry.game.EventType.*;
-import io.anuke.mindustry.input.MobileInput;
 import io.anuke.mindustry.input.DefaultKeybinds;
 import io.anuke.mindustry.input.DesktopInput;
 import io.anuke.mindustry.input.InputHandler;
+import io.anuke.mindustry.input.MobileInput;
 import io.anuke.mindustry.io.Map;
 import io.anuke.mindustry.io.Saves;
 import io.anuke.mindustry.net.Net;
@@ -285,6 +285,7 @@ public class Control extends Module{
 	@Override
 	public void dispose(){
 		Platform.instance.onGameExit();
+		ContentLoader.dispose();
 		Net.dispose();
 		ui.editor.dispose();
 	}
@@ -321,6 +322,18 @@ public class Control extends Module{
 
 			});
 		}
+
+		if(!Settings.has("4.0-no-sound")){
+			Settings.putBool("4.0-no-sound", true);
+
+			Timers.runTask(4f, () -> {
+				FloatingDialog dialog = new FloatingDialog("[orange]Attention![]");
+				dialog.buttons().addButton("$text.ok", dialog::hide).size(100f, 60f);
+				dialog.content().add("You might have noticed that 4.0 does not have any sound.\nThis is [orange]intentional![] Sound will be added in a later update.\n\n[LIGHT_GRAY](now stop reporting this as a bug)").wrap().width(500f);
+				dialog.show();
+
+			});
+		}
 	}
 
 	/**Called from main logic thread.*/
@@ -355,7 +368,7 @@ public class Control extends Module{
             }
 
             //check unlocks every 2 seconds
-			if(!state.mode.infiniteResources && !state.mode.disableWaveTimer && Timers.get("timerCheckUnlock", 120)){
+			if(!state.mode.infiniteResources && Timers.get("timerCheckUnlock", 120)){
 				checkUnlockableBlocks();
 
 				//save if the db changed, but don't save unlocks

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

@@ -12,8 +12,6 @@ public class GameState{
 
 	public int wave = 1;
 	public float wavetime;
-	public float extrawavetime;
-	public int enemies = 0;
 	public boolean gameOver = false;
 	public GameMode mode = GameMode.waves;
 	public Difficulty difficulty = Difficulty.normal;

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

@@ -70,9 +70,7 @@ public class Logic extends Module {
 
     public void reset(){
         state.wave = 1;
-        state.extrawavetime = maxwavespace * state.difficulty.maxTimeScaling;
         state.wavetime = wavespace * state.difficulty.timeScaling;
-        state.enemies = 0;
         state.gameOver = false;
         state.teams = new TeamInfo();
         state.teams.add(Team.blue, true);
@@ -89,7 +87,6 @@ public class Logic extends Module {
         state.spawner.spawnEnemies();
         state.wave ++;
         state.wavetime = wavespace * state.difficulty.timeScaling;
-        state.extrawavetime = maxwavespace * state.difficulty.maxTimeScaling;
 
         Events.fire(WaveEvent.class);
     }
@@ -133,15 +130,10 @@ public class Logic extends Module {
             if(!state.is(State.paused) || Net.active()){
 
                 if(!state.mode.disableWaveTimer){
-
+                    state.wavetime -= Timers.delta();
-                    if(state.enemies <= 0){
-                        if(!world.getMap().name.equals("tutorial")) state.wavetime -= Timers.delta();
-                    }else{
-                        state.extrawavetime -= Timers.delta();
-                    }
                 }
 
-                if(!Net.client() && (state.wavetime <= 0 || state.extrawavetime <= 0)){
+                if(!Net.client() && state.wavetime <= 0){
                     runWave();
                 }
 

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

@@ -92,8 +92,6 @@ public class UI extends SceneModule{
 		
 		Settings.setErrorHandler(()-> Timers.run(1f, ()-> showError("[crimson]Failed to access local storage.\nSettings will not be saved.")));
 		
-		Settings.defaults("pixelate", true);
-		
 		Dialog.closePadR = -1;
 		Dialog.closePadT = 5;
 		

core/src/io/anuke/mindustry/editor/MapEditor.java

@@ -268,6 +268,11 @@ public class MapEditor{
 
 	public void resize(int width, int height){
 		map = new MapTileData(width, height);
+		for (int x = 0; x < map.width(); x++) {
+			for (int y = 0; y < map.height(); y++) {
+				map.write(x, y, DataPosition.floor, (byte)Blocks.stone.id);
+			}
+		}
 		renderer.resize(width, height);
 	}
 }

core/src/io/anuke/mindustry/editor/MapEditorDialog.java

@@ -369,8 +369,8 @@ public class MapEditorDialog extends Dialog implements Disposable{
 	public void updateSelectedBlock(){
 		Block block = editor.getDrawBlock();
 		int i = 0;
-		for(Block test : Block.all()){
+		for(int j = 0; j < Block.all().size; j ++){
-			if(block == test){
+			if(block.id == j){
 				blockgroup.getButtons().get(i).setChecked(true);
 				break;
 			}

core/src/io/anuke/mindustry/editor/MapRenderer.java

@@ -61,7 +61,7 @@ public class MapRenderer implements Disposable{
         while(it.hasNext){
             int i = it.next();
             int x = i % width;
-            int y = i / height;
+            int y = i / width;
             render(x, y);
         }
         updates.clear();

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

@@ -610,7 +610,7 @@ public class Player extends Unit implements BuilderTrait, CarryTrait, ShooterTra
 				if (target == null) {
 					isShooting = false;
 					target = Units.getClosestTarget(team, x, y, inventory.getAmmoRange());
-				} else {
+				} else if(target.isValid()){
 					//rotate toward and shoot the target
 					rotation = Mathf.slerpDelta(rotation, angleTo(target), 0.2f);
 
@@ -697,12 +697,18 @@ public class Player extends Unit implements BuilderTrait, CarryTrait, ShooterTra
 	public void readSave(DataInput stream) throws IOException {
 		boolean local = stream.readBoolean();
 
-		if(local){
+		if(local && !headless){
 			byte mechid = stream.readByte();
 			int index = stream.readByte();
 			players[index].readSaveSuper(stream);
 			players[index].mech = Upgrade.getByID(mechid);
 			players[index].dead = false;
+		}else if(local){
+			byte mechid = stream.readByte();
+			stream.readByte();
+			readSaveSuper(stream);
+			mech = Upgrade.getByID(mechid);
+			dead = false;
 		}
 	}
 

core/src/io/anuke/mindustry/entities/effect/Fire.java

@@ -43,7 +43,7 @@ public class Fire extends TimedEntity implements SaveTrait, SyncTrait, Poolable
 
     /**Start a fire on the tile. If there already is a file there, refreshes its lifetime.*/
     public static void create(Tile tile){
-        if(Net.client()) return; //not clientside.
+        if(Net.client() || tile == null) return; //not clientside.
 
         Fire fire = map.get(tile.packedPosition());
 
@@ -62,7 +62,7 @@ public class Fire extends TimedEntity implements SaveTrait, SyncTrait, Poolable
 
     /**Attempts to extinguish a fire by shortening its life. If there is no fire here, does nothing.*/
     public static void extinguish(Tile tile, float intensity) {
-        if (map.containsKey(tile.packedPosition())) {
+        if (tile != null && map.containsKey(tile.packedPosition())) {
             map.get(tile.packedPosition()).time += intensity * Timers.delta();
         }
     }

core/src/io/anuke/mindustry/entities/effect/ItemDrop.java

@@ -69,6 +69,7 @@ public class ItemDrop extends SolidEntity implements SaveTrait, SyncTrait, DrawT
             Effects.effect(UnitFx.pickup, drop);
         }
         itemGroup.removeByID(itemid);
+        netClient.addRemovedEntity(itemid);
     }
 
     /**Internal use only!*/

core/src/io/anuke/mindustry/game/GameMode.java

@@ -4,12 +4,13 @@ import io.anuke.ucore.util.Bundles;
 
 public enum GameMode{
 	waves,
-	sandbox{
+	//disabled for technical reasons
+	/*sandbox{
 		{
 			infiniteResources = true;
 			disableWaveTimer = true;
 		}
-	},
+	},*/
     freebuild{
         {
             disableWaveTimer = true;

core/src/io/anuke/mindustry/graphics/OverlayRenderer.java

@@ -123,7 +123,7 @@ public class OverlayRenderer {
                             drawbars.run();
 
                             if(values[0] > 0){
-                                drawEncloser(target.drawx(), target.drawy() + block.size * tilesize/2f + 2f + values[0]/2f - 0.5f + (values[0] > 2 ? 0.5f : 0), values[0]);
+                                drawEncloser(target.drawx(), target.drawy() + block.size * tilesize/2f + 2f + values[0]/2f - 0.5f + (values[0] > 1 ? 0.75f : 0), values[0]);
                             }
 
                             if(values[1] > 0){

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

@@ -353,7 +353,7 @@ public class MobileInput extends InputHandler implements GestureListener{
             if(tile != null){
 
                 //draw placing
-                if(mode == placing) {
+                if(mode == placing && recipe != null) {
                     NormalizeDrawResult dresult = PlaceUtils.normalizeDrawArea(recipe.result, lineStartX, lineStartY, tile.x, tile.y, true, maxLength, lineScale);
 
                     Lines.rect(dresult.x, dresult.y, dresult.x2 - dresult.x, dresult.y2 - dresult.y);
@@ -465,7 +465,7 @@ public class MobileInput extends InputHandler implements GestureListener{
 
             if (tile == null) return false;
 
-            if(mode == placing) {
+            if(mode == placing && recipe != null) {
 
                 //normalize area
                 NormalizeResult result = PlaceUtils.normalizeArea(lineStartX, lineStartY, tile.x, tile.y, rotation, true, 100);
@@ -599,6 +599,10 @@ public class MobileInput extends InputHandler implements GestureListener{
 	        selection.clear();
         }
 
+        if(lineMode && mode == placing && recipe == null){
+	        lineMode = false;
+        }
+
         //if there is no mode and there's a recipe, switch to placing
         if(recipe != null && mode == none){
 	        mode = placing;

core/src/io/anuke/mindustry/io/versions/Save16.java

@@ -19,7 +19,6 @@ import io.anuke.ucore.entities.Entities;
 import io.anuke.ucore.entities.EntityGroup;
 import io.anuke.ucore.entities.trait.Entity;
 import io.anuke.ucore.util.Bits;
-import io.anuke.ucore.util.Log;
 
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
@@ -51,7 +50,6 @@ public class Save16 extends SaveFileVersion {
 
         state.difficulty = Difficulty.values()[difficulty];
         state.mode = GameMode.values()[mode];
-        state.enemies = 0; //TODO display enemies correctly!
         state.wave = wave;
         state.wavetime = wavetime;
 

core/src/io/anuke/mindustry/net/Net.java

@@ -31,7 +31,6 @@ public class Net{
 	private static boolean active;
 	private static boolean clientLoaded;
 	private static Array<Object> packetQueue = new Array<>();
-	private static ObjectMap<Class<?>, Consumer> listeners = new ObjectMap<>();
 	private static ObjectMap<Class<?>, Consumer> clientListeners = new ObjectMap<>();
 	private static ObjectMap<Class<?>, BiConsumer<Integer, Object>> serverListeners = new ObjectMap<>();
 	private static ClientProvider clientProvider;
@@ -146,11 +145,6 @@ public class Net{
 		Net.serverProvider = provider;
 	}
 
-	/**Registers a common listener for when an object is recieved. Fired on both client and serve.r*/
-	public static <T> void handle(Class<T> type, Consumer<T> listener){
-		listeners.put(type, listener);
-	}
-
 	/**Registers a client listener for when an object is recieved.*/
 	public static <T> void handleClient(Class<T> type, Consumer<T> listener){
 		clientListeners.put(type, listener);
@@ -178,12 +172,10 @@ public class Net{
 				streams.remove(builder.id);
 				handleClientReceived(builder.build());
 			}
-		}else if(clientListeners.get(object.getClass()) != null ||
+		}else if(clientListeners.get(object.getClass()) != null){
-					listeners.get(object.getClass()) != null){
 
 			if(clientLoaded || ((object instanceof Packet) && ((Packet) object).isImportant())){
 				if(clientListeners.get(object.getClass()) != null) clientListeners.get(object.getClass()).accept(object);
-				if(listeners.get(object.getClass()) != null) listeners.get(object.getClass()).accept(object);
 				synchronized (packetPoolLock) {
 					Pooling.free(object);
 				}
@@ -203,9 +195,8 @@ public class Net{
 	/**Call to handle a packet being recieved for the server.*/
 	public static void handleServerReceived(int connection, Object object){
 
-		if(serverListeners.get(object.getClass()) != null || listeners.get(object.getClass()) != null){
+		if(serverListeners.get(object.getClass()) != null){
 			if(serverListeners.get(object.getClass()) != null) serverListeners.get(object.getClass()).accept(connection, object);
-			if(listeners.get(object.getClass()) != null) listeners.get(object.getClass()).accept(object);
 			synchronized (packetPoolLock) {
 				Pooling.free(object);
 			}

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

@@ -4,19 +4,20 @@ import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.graphics.g2d.TextureRegion;
 import com.badlogic.gdx.utils.Align;
 import io.anuke.mindustry.game.Difficulty;
-import io.anuke.mindustry.game.EventType.ResizeEvent;
 import io.anuke.mindustry.game.GameMode;
 import io.anuke.mindustry.io.Map;
 import io.anuke.mindustry.ui.BorderImage;
-import io.anuke.ucore.core.Events;
 import io.anuke.ucore.core.Settings;
 import io.anuke.ucore.core.Timers;
 import io.anuke.ucore.graphics.Draw;
 import io.anuke.ucore.scene.event.Touchable;
+import io.anuke.ucore.scene.ui.ButtonGroup;
 import io.anuke.ucore.scene.ui.ImageButton;
 import io.anuke.ucore.scene.ui.ScrollPane;
+import io.anuke.ucore.scene.ui.TextButton;
 import io.anuke.ucore.scene.ui.layout.Table;
 import io.anuke.ucore.scene.utils.Cursors;
+import io.anuke.ucore.scene.utils.Elements;
 import io.anuke.ucore.util.Bundles;
 import io.anuke.ucore.util.Mathf;
 
@@ -42,7 +43,7 @@ public class LevelDialog extends FloatingDialog{
 		
 		int maxwidth = (Gdx.graphics.getHeight() > Gdx.graphics.getHeight() ? 2 : 4);
 		
-		/*Table selmode = new Table();
+		Table selmode = new Table();
 		ButtonGroup<TextButton> group = new ButtonGroup<>();
 		selmode.add("$text.level.mode").padRight(15f);
 		
@@ -50,14 +51,13 @@ public class LevelDialog extends FloatingDialog{
 			TextButton[] b = {null};
 			b[0] = Elements.newButton("$mode." + mode.name() + ".name", "toggle", () -> state.mode = mode);
 			b[0].update(() -> b[0].setChecked(state.mode == mode));
-			b[0].setDisabled(true);
 			group.add(b[0]);
 			selmode.add(b[0]).size(130f, 54f);
 		}
 		selmode.addButton("?", this::displayGameModeHelp).size(50f, 54f).padLeft(18f);
 		
 		content().add(selmode);
-		content().row();*/
+		content().row();
 
 		Difficulty[] ds = Difficulty.values();
 

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

@@ -181,6 +181,8 @@ public class BlockInventoryFragment extends Fragment {
 
     @Remote(called = Loc.server, targets = Loc.both, in = In.blocks, forward = true)
     public static void requestItem(Player player, Tile tile, Item item, int amount){
+        if(player == null) return;
+
         int removed = tile.block().removeStack(tile, item, amount);
 
         player.inventory.addItem(item, removed);

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

@@ -185,7 +185,7 @@ public class DebugFragment extends Fragment {
             result.append(player.id);
             result.append("\n");
             result.append("   cid: ");
-            result.append(player.con.id);
+            result.append(player.con == null ? -1 : player.con.id);
             result.append("\n");
             result.append("   dead: ");
             result.append(player.isDead());

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

@@ -7,6 +7,7 @@ import com.badlogic.gdx.math.Interpolation;
 import com.badlogic.gdx.utils.Array;
 import com.badlogic.gdx.utils.Scaling;
 import io.anuke.mindustry.core.GameState.State;
+import io.anuke.mindustry.game.Team;
 import io.anuke.mindustry.net.Net;
 import io.anuke.mindustry.type.Recipe;
 import io.anuke.mindustry.ui.IntFormat;
@@ -288,10 +289,11 @@ public class HudFragment extends Fragment{
 	}
 
 	private String getEnemiesRemaining() {
-		if(state.enemies == 1) {
+		int enemies = unitGroups[Team.red.ordinal()].size();
-			return Bundles.format("text.enemies.single", state.enemies);
+		if(enemies == 1) {
+			return Bundles.format("text.enemies.single", enemies);
 		} else {
-			return Bundles.format("text.enemies", state.enemies);
+			return Bundles.format("text.enemies", enemies);
 		}
 	}
 
@@ -310,7 +312,7 @@ public class HudFragment extends Fragment{
 
 				row();
 
-				new label(() -> state.enemies > 0 ?
+				new label(() -> unitGroups[Team.red.ordinal()].size() > 0 && state.mode.disableWaveTimer ?
 					getEnemiesRemaining() :
 						(state.mode.disableWaveTimer) ? "$text.waiting"
 								: timef.get((int) (state.wavetime / 60f)))
@@ -333,10 +335,9 @@ public class HudFragment extends Fragment{
 		}).height(uheight).fillX().right().padTop(-8f).padBottom(-12f).padLeft(-15).padRight(-10).width(40f).update(l->{
 			boolean vis = state.mode.disableWaveTimer && (Net.server() || !Net.active());
 			boolean paused = state.is(State.paused) || !vis;
-			
+
-			l.setVisible(vis);
 			l.getStyle().imageUp = Core.skin.getDrawable(vis ? "icon-play" : "clear");
 			l.setTouchable(!paused ? Touchable.enabled : Touchable.disabled);
-		});
+		}).visible(() -> state.mode.disableWaveTimer && (Net.server() || !Net.active()) && unitGroups[Team.red.ordinal()].size() == 0);
 	}
 }

core/src/io/anuke/mindustry/world/Block.java

@@ -432,7 +432,7 @@ public class Block extends BaseBlock implements Content{
 		
 		if(shadowRegions != null) {
 			Draw.rect(shadowRegions[(Mathf.randomSeed(tile.id(), 0, variants - 1))], tile.worldx(), tile.worldy());
-		}else{
+		}else if(shadowRegion != null){
 			Draw.rect(shadowRegion, tile.drawx(), tile.drawy());
 		}
 	}

core/src/io/anuke/mindustry/world/blocks/BreakBlock.java

@@ -76,7 +76,7 @@ public class BreakBlock extends Block {
     public void afterDestroyed(Tile tile, TileEntity e){
         BreakEntity entity = (BreakEntity)e;
 
-        if(entity.previous.synthetic()){
+        if(entity != null && entity.previous != null && entity.previous.synthetic()){
             tile.setBlock(entity.previous);
         }
     }
@@ -145,7 +145,9 @@ public class BreakBlock extends Block {
 
         if(tile.entity instanceof BreakEntity){
             BreakEntity entity = tile.entity();
-            Effects.effect(Fx.breakBlock, tile.drawx(), tile.drawy(), entity.previous.size);
+            if(entity.previous != null){
+                Effects.effect(Fx.breakBlock, tile.drawx(), tile.drawy(), entity.previous.size);
+            }
         }
 
         world.removeBlock(tile);
@@ -186,6 +188,10 @@ public class BreakBlock extends Block {
             }
 
             progress += add;
+
+            if(progress > 1.0001f){
+                progress = 1.0001f;
+            }
         }
 
         public float progress(){

core/src/io/anuke/mindustry/world/blocks/BuildBlock.java

@@ -48,7 +48,7 @@ public class BuildBlock extends Block {
     @Override
     public boolean isSolidFor(Tile tile) {
         BuildEntity entity = tile.entity();
-        return entity.recipe.result.solid || entity.previous.solid;
+        return entity == null || entity.recipe ==null || entity.recipe.result.solid || entity.previous.solid;
     }
 
     @Override
@@ -88,7 +88,7 @@ public class BuildBlock extends Block {
     public void draw(Tile tile){
         BuildEntity entity = tile.entity();
 
-        if(entity.previous.synthetic()) {
+        if(entity.previous != null && entity.previous.synthetic()) {
             for (TextureRegion region : entity.previous.getBlockIcon()) {
                 Draw.rect(region, tile.drawx(), tile.drawy(), entity.recipe.result.rotate ? tile.getRotation() * 90 : 0);
             }
@@ -131,7 +131,7 @@ public class BuildBlock extends Block {
             CallBlocks.onBuildDeath(tile);
         }
 
-        if(!entity.updated){
+        if(!entity.updated && entity.recipe != null){
             entity.progress -= 1f/entity.recipe.cost/decaySpeedScl;
         }
 
@@ -208,6 +208,10 @@ public class BuildBlock extends Block {
 
             lastProgress = maxProgress;
             updated = true;
+
+            if(progress > 1.0001f){
+                progress = 1.0001f;
+            }
         }
 
         public double checkRequired(InventoryModule inventory, double amount){

core/src/io/anuke/mindustry/world/blocks/defense/turrets/ItemTurret.java

@@ -40,6 +40,13 @@ public class ItemTurret extends CooledTurret {
 
         return Math.min((int)((maxAmmo - entity.totalAmmo) / ammoMap.get(item).quantityMultiplier), amount);
     }
+    
+    @Override
+    public void handleStack(Item item, int amount, Tile tile, Unit source){
+        for (int i = 0; i < amount; i++) {
+            handleItem(item, tile, null);
+        }
+    }
 
     //currently can't remove items from turrets.
     @Override

core/src/io/anuke/mindustry/world/blocks/power/PowerDistributor.java

@@ -51,7 +51,9 @@ public class PowerDistributor extends PowerBlock {
     }
 
     protected boolean shouldDistribute(Tile tile, Tile other) {
-        return !(other.block() instanceof PowerGenerator) || other.entity.power.amount / other.block().powerCapacity < tile.entity.power.amount / powerCapacity;
+        //only generators can distribute to other generators
+        return (!(other.block() instanceof PowerGenerator) || tile.block() instanceof PowerGenerator)
+                && other.entity.power.amount / other.block().powerCapacity < tile.entity.power.amount / powerCapacity;
     }
 
     @Override

core/src/io/anuke/mindustry/world/blocks/power/PowerNode.java

@@ -129,14 +129,14 @@ public class PowerNode extends PowerBlock{
 				Tile link = world.tile(x, y);
 				if(link != null) link = link.target();
 
-				if(link != tile && linkValid(tile, link)){
+				if(link != tile && linkValid(tile, link, false)){
 					boolean linked = linked(tile, link);
 					Draw.color(linked ? Palette.place : Palette.breakInvalid);
 
 					Lines.square(link.drawx(), link.drawy(),
 							link.block().size * tilesize / 2f + 1f + (linked ? 0f : Mathf.absin(Timers.time(), 4f, 1f)));
 
-					if(entity.links.size >= maxNodes && !linked){
+					if((entity.links.size >= maxNodes || (link.block() instanceof PowerNode && ((DistributorEntity)link.entity).links.size >= ((PowerNode)link.block()).maxNodes)) && !linked){
 						Draw.color();
 						Draw.rect("cross-" + link.block().size, link.drawx(), link.drawy());
 					}
@@ -190,11 +190,13 @@ public class PowerNode extends PowerBlock{
 	}
 
 	protected boolean shouldDistribute(Tile tile, Tile other) {
-		return other.entity.power.amount / other.block().powerCapacity <= tile.entity.power.amount / powerCapacity;
+		return other.entity.power.amount / other.block().powerCapacity <= tile.entity.power.amount / powerCapacity &&
+				!(other.block() instanceof PowerGenerator); //do not distribute to power generators
 	}
 
 	protected boolean shouldLeechPower(Tile tile, Tile other){
 		return !(other.block() instanceof PowerNode)
+				&& other.block() instanceof PowerDistributor //only suck power from batteries and power generators
 				&& other.entity.power.amount / other.block().powerCapacity > tile.entity.power.amount / powerCapacity;
 	}
 
@@ -242,6 +244,10 @@ public class PowerNode extends PowerBlock{
 	}
 
 	protected boolean linkValid(Tile tile, Tile link){
+		return linkValid(tile, link, true);
+	}
+
+	protected boolean linkValid(Tile tile, Tile link, boolean checkMaxNodes){
 		if(!(tile != link && link != null && link.block().hasPower)) return false;
 
 		if(link.block() instanceof PowerNode){
@@ -250,7 +256,7 @@ public class PowerNode extends PowerBlock{
 			return Vector2.dst(tile.drawx(), tile.drawy(), link.drawx(), link.drawy()) <= Math.max(laserRange * tilesize,
 					((PowerNode)link.block()).laserRange * tilesize) - tilesize/2f
 					+ (link.block().size-1)*tilesize/2f + (tile.block().size-1)*tilesize/2f &&
-					(oe.links.size < ((PowerNode)link.block()).maxNodes || oe.links.contains(tile.packedPosition()));
+					(!checkMaxNodes || (oe.links.size < ((PowerNode)link.block()).maxNodes || oe.links.contains(tile.packedPosition())));
 		}else{
 			return Vector2.dst(tile.drawx(), tile.drawy(), link.drawx(), link.drawy())
 					<= laserRange * tilesize - tilesize/2f + (link.block().size-1)*tilesize;
@@ -276,8 +282,9 @@ public class PowerNode extends PowerBlock{
         return new DistributorEntity();
     }
 
-    @Remote(targets = Loc.both, called = Loc.both, in = In.blocks, forward = true)
+    @Remote(targets = Loc.both, called = Loc.server, in = In.blocks, forward = true)
     public static void linkPowerDistributors(Player player, Tile tile, Tile other){
+
 		DistributorEntity entity = tile.entity();
 
 		if(!entity.links.contains(other.packedPosition())){

core/src/io/anuke/mindustry/world/blocks/units/MechFactory.java

@@ -154,6 +154,9 @@ public class MechFactory extends Block{
         MechFactoryEntity entity = tile.entity();
 
         Effects.effect(Fx.spawn, entity);
+
+        if(entity.player == null) return;
+
         Mech result = ((MechFactory)tile.block()).mech;
 
         if(entity.player.mech == result){

kryonet/src/io/anuke/kryonet/ByteSerializer.java

@@ -26,9 +26,6 @@ public class ByteSerializer implements Serialization {
                 throw new RuntimeException("Unregistered class: " + ClassReflection.getSimpleName(o.getClass()));
             byteBuffer.put(id);
             ((Packet) o).write(byteBuffer);
-            synchronized (packetPoolLock) {
-                Pooling.free(o);
-            }
         }
     }
 

kryonet/src/io/anuke/kryonet/KryoClient.java

@@ -15,6 +15,7 @@ import io.anuke.mindustry.net.NetworkIO;
 import io.anuke.mindustry.net.Packets.Connect;
 import io.anuke.mindustry.net.Packets.Disconnect;
 import io.anuke.ucore.function.Consumer;
+import io.anuke.ucore.util.Pooling;
 import io.anuke.ucore.util.Strings;
 
 import java.io.IOException;
@@ -26,6 +27,7 @@ import java.nio.channels.ClosedSelectorException;
 import java.util.List;
 
 import static io.anuke.mindustry.Vars.*;
+import static io.anuke.mindustry.net.Net.packetPoolLock;
 
 public class KryoClient implements ClientProvider{
     Client client;
@@ -134,6 +136,10 @@ public class KryoClient implements ClientProvider{
         }else{
             client.sendUDP(object);
         }
+
+        synchronized (packetPoolLock) {
+            Pooling.free(object);
+        }
     }
 
     @Override

kryonet/src/io/anuke/kryonet/KryoCore.java

@@ -6,9 +6,7 @@ import io.anuke.ucore.util.ColorCodes;
 
 import java.io.PrintWriter;
 import java.io.StringWriter;
-import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
-import java.util.concurrent.TimeUnit;
 
 import static io.anuke.mindustry.Vars.headless;
 
@@ -65,25 +63,4 @@ public class KryoCore {
     private static int calculateLag() {
         return fakeLagMin + (int)(Math.random() * (fakeLagMax - fakeLagMin));
     }
-
-    /**Executes something in a potentially unreliable way. Used to simulate lag and packet errors with UDP.*/
-    public static void recieveUnreliable(Runnable run){
-        if(fakeLag && threadPool == null){
-            threadPool = Executors.newScheduledThreadPool(1, r -> {
-                Thread t = Executors.defaultThreadFactory().newThread(r);
-                t.setDaemon(true);
-                return t;
-            });
-        }
-
-        if(fakeLag){
-            do {
-                if (Math.random() >= fakeLagDrop) {
-                    threadPool.schedule(run, calculateLag(), TimeUnit.MILLISECONDS);
-                }
-            } while (Math.random() < fakeLagDuplicate);
-        }else{
-            run.run();
-        }
-    }
 }

kryonet/src/io/anuke/kryonet/KryoServer.java

@@ -15,10 +15,7 @@ import io.anuke.mindustry.net.Net.SendMode;
 import io.anuke.mindustry.net.Net.ServerProvider;
 import io.anuke.mindustry.net.NetConnection;
 import io.anuke.mindustry.net.NetworkIO;
-import io.anuke.mindustry.net.Packets.Connect;
+import io.anuke.mindustry.net.Packets.*;
-import io.anuke.mindustry.net.Packets.Disconnect;
-import io.anuke.mindustry.net.Packets.StreamBegin;
-import io.anuke.mindustry.net.Packets.StreamChunk;
 import io.anuke.mindustry.net.Streamable;
 import io.anuke.ucore.UCore;
 import io.anuke.ucore.core.Timers;

server/src/io/anuke/mindustry/server/ServerControl.java

@@ -221,7 +221,7 @@ public class ServerControl extends Module {
                 if(playerGroup.size() > 0) {
                     info("&lyPlayers: {0}", playerGroup.size());
                     for (Player p : playerGroup.all()) {
-                        print("   &y{0} / Connection {1} / IP: {2}", p.name, p.con, p.con.address);
+                        print("   &y{0} / Connection {1} / IP: {2}", p.name, p.con.id, p.con.address);
                     }
                 }else{
                     info("&lyNo players connected.");