Implemented toggling of multithreading

android/src/io/anuke/mindustry/AndroidLauncher.java

@@ -9,8 +9,10 @@ import android.os.Bundle;
 import android.telephony.TelephonyManager;
 import com.badlogic.gdx.backends.android.AndroidApplication;
 import com.badlogic.gdx.backends.android.AndroidApplicationConfiguration;
+import io.anuke.kryonet.DefaultThreadImpl;
 import io.anuke.kryonet.KryoClient;
 import io.anuke.kryonet.KryoServer;
+import io.anuke.mindustry.core.ThreadHandler.ThreadProvider;
 import io.anuke.mindustry.io.Platform;
 import io.anuke.mindustry.net.Net;
 import io.anuke.ucore.scene.ui.TextField;
@@ -85,6 +87,11 @@ public class AndroidLauncher extends AndroidApplication{
 					}
 				}
 			}
+
+			@Override
+			public ThreadProvider getThreadProvider() {
+				return new DefaultThreadImpl();
+			}
 		};
 
 		if(doubleScaleTablets && isTablet(this.getContext())){

core/assets/bundles/bundle.properties

@@ -217,6 +217,7 @@ setting.sensitivity.name=Controller Sensitivity
 setting.saveinterval.name=Autosave Interval
 setting.seconds={0} Seconds
 setting.fullscreen.name=Fullscreen
+setting.multithread.name=Multithreading [scarlet](unstable!)
 setting.fps.name=Show FPS
 setting.vsync.name=VSync
 setting.lasers.name=Show Power Lasers

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

@@ -1,21 +1,15 @@
 package io.anuke.mindustry;
 
-import com.badlogic.gdx.Gdx;
-import com.badlogic.gdx.utils.TimeUtils;
 import io.anuke.mindustry.core.*;
 import io.anuke.mindustry.io.BlockLoader;
 import io.anuke.mindustry.io.BundleLoader;
 import io.anuke.mindustry.io.Platform;
-import io.anuke.ucore.core.Timers;
 import io.anuke.ucore.modules.ModuleCore;
 import io.anuke.ucore.util.Log;
 
 import static io.anuke.mindustry.Vars.*;
 
 public class Mindustry extends ModuleCore {
-	boolean multithread = true;
-	Thread thread;
-	float delta = 1f;
 
 	@Override
 	public void init(){
@@ -25,10 +19,7 @@ public class Mindustry extends ModuleCore {
 		BundleLoader.load();
 		BlockLoader.load();
 
-		logic = new Logic();
-
-		if(!multithread) module(logic);
-
+		module(logic = new Logic());
 		module(world = new World());
 		module(control = new Control());
 		module(renderer = new Renderer());
@@ -36,49 +27,12 @@ public class Mindustry extends ModuleCore {
 		module(netServer = new NetServer());
 		module(netClient = new NetClient());
 		module(netCommon = new NetCommon());
-
-		Timers.setDeltaProvider(() ->
-				Math.min(Thread.currentThread() == thread ? delta : Gdx.graphics.getDeltaTime()*60f, 20f)
-		);
-
-		if(multithread) {
-
-			logic.init();
-
-			thread = new Thread(() -> {
-				try {
-					while (true) {
-						long time = TimeUtils.millis();
-						logic.update();
-						long elapsed = TimeUtils.timeSinceMillis(time);
-						long target = (long) (1000 / 60f);
-
-						delta = Math.max(elapsed, target) / 1000f * 60f;
-
-						if (elapsed < target) {
-							Thread.sleep(target - elapsed);
-						}
-					}
-				} catch (Exception ex) {
-					Gdx.app.postRunnable(() -> {
-						throw new RuntimeException(ex);
-					});
-				}
-			});
-			thread.setDaemon(true);
-			thread.setName("Update Thread");
-			thread.start();
-		}
 	}
 
+	@Override
 	public void render(){
 		super.render();
-
-		try {
-			//Thread.sleep(40);
-		}catch (Exception e){
-			e.printStackTrace();
-		}
+		threads.handleRender();
 	}
 
 }

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

@@ -10,6 +10,7 @@ import io.anuke.mindustry.entities.Player;
 import io.anuke.mindustry.entities.TileEntity;
 import io.anuke.mindustry.entities.effect.Shield;
 import io.anuke.mindustry.entities.enemies.Enemy;
+import io.anuke.mindustry.io.Platform;
 import io.anuke.mindustry.net.ClientDebug;
 import io.anuke.mindustry.net.ServerDebug;
 import io.anuke.ucore.UCore;
@@ -112,6 +113,7 @@ public class Vars{
 	public static final int webPort = 6568;
 
 	public static final GameState state = new GameState();
+	public static final ThreadHandler threads = new ThreadHandler(Platform.instance.getThreadProvider());
 
 	public static final ServerDebug serverDebug = new ServerDebug();
 	public static final ClientDebug clientDebug = new ClientDebug();

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

@@ -268,6 +268,13 @@ public class Control extends Module{
 		Entities.collisions().setCollider(tilesize, world::solid);
 
 		Platform.instance.updateRPC();
+
+		//TODO remove
+		/*
+		Timers.runTask(2, () -> {
+			state.set(State.playing);
+			SaveIO.loadFromSlot(0);
+		});*/
 	}
 	
 	@Override

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

@@ -1,6 +1,5 @@
 package io.anuke.mindustry.core;
 
-import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.utils.Array;
 import io.anuke.mindustry.Vars;
 import io.anuke.mindustry.core.GameState.State;
@@ -35,10 +34,6 @@ import static io.anuke.mindustry.Vars.*;
 public class Logic extends Module {
     private final Array<EnemySpawn> spawns = WaveCreator.getSpawns();
 
-    public Logic(){
-        Timers.setDeltaProvider(() -> Math.min(Gdx.graphics.getDeltaTime()*60f, 60));
-    }
-
     @Override
     public void init(){
         Entities.initPhysics();
@@ -111,6 +106,7 @@ public class Logic extends Module {
 
     @Override
     public void update(){
+
         if(!state.is(State.paused) || Net.active()){
             Timers.update();
         }

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

@@ -0,0 +1,82 @@
+package io.anuke.mindustry.core;
+
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.utils.TimeUtils;
+import io.anuke.ucore.core.Timers;
+import io.anuke.ucore.util.Log;
+
+import static io.anuke.mindustry.Vars.logic;
+
+public class ThreadHandler {
+    private final ThreadProvider impl;
+    private final Object lock = new Object();
+    private float delta = 1f;
+    private boolean finished;
+    private boolean enabled;
+
+    public ThreadHandler(ThreadProvider impl){
+        this.impl = impl;
+
+        Timers.setDeltaProvider(() -> impl.isOnThread() ? delta : Gdx.graphics.getDeltaTime()*60f);
+    }
+
+    public void handleRender(){
+        synchronized(lock) {
+            finished = true;
+            lock.notify();
+        }
+    }
+
+    public void setEnabled(boolean enabled){
+        if(enabled){
+            logic.doUpdate = false;
+            Timers.runTask(2f, () -> impl.start(this::runLogic));
+        }else{
+            impl.stop();
+            Timers.runTask(2f, () -> logic.doUpdate = true);
+        }
+        this.enabled = enabled;
+    }
+
+    public boolean isEnabled(){
+        return enabled;
+    }
+
+    private void runLogic(){
+        try {
+            while (true) {
+                long time = TimeUtils.millis();
+                logic.update();
+
+                long elapsed = TimeUtils.timeSinceMillis(time);
+                long target = (long) (1000 / 60f);
+
+                delta = Math.max(elapsed, target) / 1000f * 60f;
+
+                if (elapsed < target) {
+                    impl.sleep(target - elapsed);
+                }
+
+                synchronized(lock) {
+                    while(!finished) {
+                        lock.wait();
+                    }
+                    finished = false;
+                }
+            }
+        } catch (InterruptedException ex) {
+            Log.info("Stopping logic thread.");
+        } catch (Exception ex) {
+            Gdx.app.postRunnable(() -> {
+                throw new RuntimeException(ex);
+            });
+        }
+    }
+
+    public interface ThreadProvider {
+        boolean isOnThread();
+        void sleep(long ms) throws InterruptedException;
+        void start(Runnable run);
+        void stop();
+    }
+}

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

@@ -108,10 +108,10 @@ public class TileEntity extends Entity{
 	public void update(){
 		if(health != 0 && health < tile.block().health && !(tile.block() instanceof Wall) &&
 				Mathf.chance(0.009f*Timers.delta()*(1f-health/tile.block().health))){
-			
+
 			Effects.effect(Fx.smoke, x+Mathf.range(4), y+Mathf.range(4));
 		}
-		
+
 		if(health <= 0){
 			onDeath();
 		}

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

@@ -1,5 +1,6 @@
 package io.anuke.mindustry.io;
 
+import io.anuke.mindustry.core.ThreadHandler.ThreadProvider;
 import io.anuke.ucore.scene.ui.TextField;
 
 import java.util.Date;
@@ -27,4 +28,27 @@ public abstract class Platform {
 		return true;
 	}
 	public boolean isDebug(){return false;}
+	public ThreadProvider getThreadProvider(){
+		return new ThreadProvider() {
+			@Override
+			public boolean isOnThread() {
+				return true;
+			}
+
+			@Override
+			public void sleep(long ms) {
+
+			}
+
+			@Override
+			public void start(Runnable run) {
+
+			}
+
+			@Override
+			public void stop() {
+
+			}
+		};
+	}
 }

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

@@ -113,6 +113,14 @@ public class SettingsMenuDialog extends SettingsDialog{
 		game.sliderPref("sensitivity", 100, 10, 300, i -> i + "%");
 		game.sliderPref("saveinterval", 90, 10, 5*120, i -> Bundles.format("setting.seconds", i));
 
+		if(!gwt){
+			graphics.checkPref("multithread", false, threads::setEnabled);
+
+			if(Settings.getBool("multithread")){
+				threads.setEnabled(true);
+			}
+		}
+
 		if(!android && !gwt) {
 			graphics.checkPref("vsync", true, b -> Gdx.graphics.setVSync(b));
 			graphics.checkPref("fullscreen", false, b -> {
@@ -128,6 +136,7 @@ public class SettingsMenuDialog extends SettingsDialog{
 				Gdx.graphics.setFullscreenMode(Gdx.graphics.getDisplayMode());
 			}
 		}
+
 		graphics.checkPref("fps", false);
 		graphics.checkPref("lasers", true);
 		graphics.checkPref("indicators", true);

core/src/io/anuke/mindustry/world/blocks/types/distribution/Conveyor.java

@@ -28,36 +28,37 @@ public class Conveyor extends Block{
 	private static final float itemSpace = 0.135f;
 	private static final float offsetScl = 128f*3f;
 	private static final float itemSize = 4f;
+	private static final float minmove = 1f / (Short.MAX_VALUE - 2);
 
 	private final Translator tr1 = new Translator();
 	private final Translator tr2 = new Translator();
-	
+
 	public float speed = 0.02f;
-	
+
 	protected Conveyor(String name) {
 		super(name);
 		rotate = true;
 		update = true;
 		layer = Layer.overlay;
 	}
-	
+
 	@Override
 	public void getStats(Array<String> list){
 		super.getStats(list);
 		list.add("[iteminfo]Item Speed/second: " + Strings.toFixed(speed * 60, 1));
 	}
-	
+
 	@Override
 	public boolean canReplace(Block other){
 		return other instanceof Conveyor || other instanceof Router || other instanceof Junction;
 	}
-	
+
 	@Override
 	public void draw(Tile tile){
 		byte rotation = tile.getRotation();
-		
-		Draw.rect(name() + 
-				(Timers.time() % ((20 / 100f) / speed) < (10 / 100f) / speed && acceptItem(Item.stone, tile, null) ? "" : "move"), 
+
+		Draw.rect(name() +
+						(Timers.time() % ((20 / 100f) / speed) < (10 / 100f) / speed && acceptItem(Item.stone, tile, null) ? "" : "move"),
 				tile.worldx(), tile.worldy(), rotation * 90);
 	}
 
@@ -65,13 +66,13 @@ public class Conveyor extends Block{
 	public boolean isLayer(Tile tile){
 		return tile.<ConveyorEntity>entity().convey.size > 0;
 	}
-	
+
 	@Override
-	public void drawLayer(Tile tile){
+	public synchronized void drawLayer(Tile tile){
 		ConveyorEntity entity = tile.entity();
-		
+
 		byte rotation = tile.getRotation();
-		
+
 		for(int i = 0; i < entity.convey.size; i ++){
 			ItemPos pos = drawpos.set(entity.convey.get(i));
 
@@ -79,19 +80,19 @@ public class Conveyor extends Block{
 
 			tr1.trns(rotation * 90, tilesize, 0);
 			tr2.trns(rotation * 90, -tilesize / 2, pos.x*tilesize/2);
-			
+
 			Draw.rect(pos.item.region,
 					tile.x * tilesize + tr1.x * pos.y + tr2.x,
 					tile.y * tilesize + tr1.y * pos.y + tr2.y, itemSize, itemSize);
 		}
 	}
-	
+
 	@Override
-	public void update(Tile tile){
-		
+	public synchronized void update(Tile tile){
+
 		ConveyorEntity entity = tile.entity();
 		entity.minitem = 1f;
-		
+
 		removals.clear();
 
 		float shift = entity.elapsed * speed;
@@ -106,37 +107,35 @@ public class Conveyor extends Block{
 				removals.add(value);
 				continue;
 			}
-			
-			boolean canmove = i == entity.convey.size - 1 || 
-					!(pos2.set(entity.convey.get(i + 1)).y - pos.y < itemSpace  * Math.max(Timers.delta(), 1f));
 
-			float minmove = 1f / (Short.MAX_VALUE - 2);
+			float nextpos = (i == entity.convey.size - 1 ? 100f : pos2.set(entity.convey.get(i + 1)).y) - itemSpace;
+			float maxmove = Math.min(nextpos - pos.y, speed * Timers.delta());
 
-			if(canmove){
-				pos.y += Math.max(speed * Timers.delta(), minmove); //TODO fix precision issues when at high FPS?
+			if(maxmove > minmove){
+				pos.y += maxmove;
 				pos.x = Mathf.lerpDelta(pos.x, 0, 0.06f);
 			}else{
 				pos.x = Mathf.lerpDelta(pos.x, pos.seed/offsetScl, 0.1f);
 			}
-			
+
 			pos.y = Mathf.clamp(pos.y);
-			
+
 			if(pos.y >= 0.9999f && offloadDir(tile, pos.item)){
 				removals.add(value);
 			}else{
 				value = pos.pack();
-				
+
 				if(pos.y < entity.minitem)
 					entity.minitem = pos.y;
 				entity.convey.set(i, value);
 			}
-			
+
 		}
 
 		entity.elapsed = 0f;
 		entity.convey.removeAll(removals);
 	}
-	
+
 	@Override
 	public TileEntity getEntity(){
 		return new ConveyorEntity();
@@ -146,25 +145,25 @@ public class Conveyor extends Block{
 	public boolean acceptItem(Item item, Tile tile, Tile source){
 		int direction = source == null ? 0 : Math.abs(source.relativeTo(tile.x, tile.y) - tile.getRotation());
 		float minitem = tile.<ConveyorEntity>entity().minitem;
-		return (((direction == 0) && minitem > 0.05f) || 
+		return (((direction == 0) && minitem > 0.05f) ||
 				((direction %2 == 1) && minitem > 0.52f)) && (source == null || !(source.block().rotate && (source.getRotation() + 2) % 4 == tile.getRotation()));
 	}
 
 	@Override
 	public void handleItem(Item item, Tile tile, Tile source){
 		byte rotation = tile.getRotation();
-		
+
 		int ch = Math.abs(source.relativeTo(tile.x, tile.y) - rotation);
 		int ang = ((source.relativeTo(tile.x, tile.y) - rotation));
-		
+
 
 		float pos = ch == 0 ? 0 : ch % 2 == 1 ? 0.5f : 1f;
 		float y = (ang == -1 || ang == 3) ? 1 : (ang == 1 || ang == -3) ? -1 : 0;
-		
+
 		ConveyorEntity entity = tile.entity();
 		long result = ItemPos.packItem(item, y*0.9f, pos, (byte)Mathf.random(255));
 		boolean inserted = false;
-		
+
 		for(int i = 0; i < entity.convey.size; i ++){
 			if(compareItems(result, entity.convey.get(i)) < 0){
 				entity.convey.insert(i, result);
@@ -172,13 +171,13 @@ public class Conveyor extends Block{
 				break;
 			}
 		}
-		
+
 		//this item must be greater than anything there...
 		if(!inserted){
 			entity.convey.add(result);
 		}
 	}
-	
+
 	/**
 	 * Conveyor data format:
 	 * [0] item ordinal
@@ -191,26 +190,26 @@ public class Conveyor extends Block{
 
 		LongArray convey = new LongArray();
 		float minitem = 1, elapsed;
-		
+
 		@Override
 		public void write(DataOutputStream stream) throws IOException{
 			stream.writeInt(convey.size);
-			
+
 			for(int i = 0; i < convey.size; i ++){
 				stream.writeInt(ItemPos.toInt(convey.get(i)));
 			}
 		}
-		
+
 		@Override
 		public void read(DataInputStream stream) throws IOException{
 			convey.clear();
 			int amount = stream.readInt();
 			convey.ensureCapacity(amount);
-			
+
 			for(int i = 0; i < amount; i ++){
 				convey.add(ItemPos.toLong(stream.readInt()));
 			}
-			
+
 			sort(convey.items, convey.size);
 		}
 
@@ -220,37 +219,37 @@ public class Conveyor extends Block{
 			this.elapsed = elapsed;
 		}
 	}
-	
+
 	private static void sort(long[] elements, int length){
 		List<Long> wrapper = new AbstractList<Long>() {
 
-	        @Override
-	        public Long get(int index) {
-	            return elements[index];
-	        }
+			@Override
+			public Long get(int index) {
+				return elements[index];
+			}
 
-	        @Override
-	        public int size() {
-	            return length;
-	        }
+			@Override
+			public int size() {
+				return length;
+			}
 
-	        @Override
-	        public Long set(int index, Long element) {
-	            long v = elements[index];
-	            elements[index] = element;
-	            return v;
-	        }
-	    };
-	    
-	    Collections.sort(wrapper, Conveyor::compareItems);
+			@Override
+			public Long set(int index, Long element) {
+				long v = elements[index];
+				elements[index] = element;
+				return v;
+			}
+		};
+
+		Collections.sort(wrapper, Conveyor::compareItems);
 	}
-	
+
 	private static int compareItems(Long a, Long b){
 		pos1.set(a);
 		pos2.set(b);
 		return Float.compare(pos1.y, pos2.y);
 	}
-	
+
 	//Container class. Do not instantiate.
 	static class ItemPos{
 		private static short[] writeShort = new short[4];
@@ -259,7 +258,7 @@ public class Conveyor extends Block{
 		Item item;
 		float x, y;
 		byte seed;
-		
+
 		private ItemPos(){}
 
 		ItemPos set(long lvalue){
@@ -275,11 +274,11 @@ public class Conveyor extends Block{
 			seed = (byte)values[3];
 			return this;
 		}
-		
+
 		long pack(){
 			return packItem(item, x, y, seed);
 		}
-		
+
 		static long packItem(Item item, float x, float y, byte seed){
 			short[] shorts = Bits.getShorts();
 			shorts[0] = (short)item.id;
@@ -322,4 +321,4 @@ public class Conveyor extends Block{
 			return Bits.packLong(shorts);
 		}
 	}
-}
+}

desktop/src/io/anuke/mindustry/desktop/DesktopPlatform.java

@@ -3,7 +3,9 @@ package io.anuke.mindustry.desktop;
 import club.minnced.discord.rpc.DiscordEventHandlers;
 import club.minnced.discord.rpc.DiscordRPC;
 import club.minnced.discord.rpc.DiscordRichPresence;
+import io.anuke.kryonet.DefaultThreadImpl;
 import io.anuke.mindustry.core.GameState.State;
+import io.anuke.mindustry.core.ThreadHandler.ThreadProvider;
 import io.anuke.mindustry.io.Platform;
 import io.anuke.mindustry.net.Net;
 import io.anuke.ucore.util.Strings;
@@ -85,4 +87,9 @@ public class DesktopPlatform extends Platform {
     public boolean isDebug() {
         return args.length > 0 && args[0].equalsIgnoreCase("-debug");
     }
+
+    @Override
+    public ThreadProvider getThreadProvider() {
+        return new DefaultThreadImpl();
+    }
 }

kryonet/src/io/anuke/kryonet/DefaultThreadImpl.java

@@ -0,0 +1,40 @@
+package io.anuke.kryonet;
+
+import io.anuke.mindustry.core.ThreadHandler.ThreadProvider;
+import io.anuke.ucore.util.Log;
+
+public class DefaultThreadImpl implements ThreadProvider {
+    private Thread thread;
+
+    @Override
+    public boolean isOnThread() {
+        return Thread.currentThread() == thread;
+    }
+
+    @Override
+    public void sleep(long ms) throws InterruptedException{
+        Thread.sleep(ms);
+    }
+
+    @Override
+    public void start(Runnable run) {
+        if(thread != null){
+            thread.interrupt();
+            thread = null;
+        }
+
+        thread = new Thread(run);
+        thread.setDaemon(true);
+        thread.setName("Update Thread");
+        thread.start();
+        Log.info("Starting logic thread.");
+    }
+
+    @Override
+    public void stop() {
+        if(thread != null){
+            thread.interrupt();
+            thread = null;
+        }
+    }
+}