Finish map editor core functionality

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

@@ -30,7 +30,8 @@ public class Mindustry extends ModuleCore {
 		DefenseBlocks.compositewall,
 		DistributionBlocks.conduit,
 		ProductionBlocks.coaldrill,
-		WeaponBlocks.chainturret
+		WeaponBlocks.chainturret,
+		SpecialBlocks.enemySpawn
 	};
 	
 	@Override

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

@@ -160,6 +160,8 @@ public class Control extends Module{
 	}
 	
 	public void play(){
+		if(core == null) return;
+		
 		renderer.clearTiles();
 		
 		player.x = core.worldx();
@@ -435,7 +437,7 @@ public class Control extends Module{
 	@Override
 	public void update(){
 		
-		if(debug){
+		if(debug && GameState.is(State.playing)){
 			//debug actions
 			if(Inputs.keyUp(Keys.P)){
 				Effects.effect(Fx.shellsmoke, player);

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

@@ -449,10 +449,18 @@ public class UI extends SceneModule{
 		editorDialog.show();
 	}
 	
-	public MapEditorDialog getEditor(){
+	public MapEditorDialog getEditorDialog(){
 		return editorDialog;
 	}
 	
+	public MapEditor getEditor(){
+		return editor;
+	}
+	
+	public void reloadLevels(){
+		((LevelDialog)levels).reload();
+	}
+	
 	public boolean isEditing(){
 		return editorDialog.getScene() != null;
 	}

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

@@ -158,6 +158,8 @@ public class World extends Module{
 		this.seed = seed;
 		Generator.generate(map.pixmap, tiles);
 		
+		if(control.getCore() == null) return;
+		
 		//TODO multiblock core
 		control.getInput().placeBlock(control.getCore().x, control.getCore().y, ProductionBlocks.core, 0, false, false);
 		

core/src/io/anuke/mindustry/mapeditor/EditorTool.java

@@ -59,7 +59,7 @@ public enum EditorTool{
 		public void touched(MapEditor editor, int x, int y){
 			Block block = ColorMapper.get(editor.pixmap().getPixel(x, y)).dominant();
 			editor.setDrawBlock(block);
-			Vars.ui.getEditor().updateSelectedBlock();
+			Vars.ui.getEditorDialog().updateSelectedBlock();
 		}
 	},
 	zoom;

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

@@ -13,8 +13,9 @@ import io.anuke.mindustry.world.blocks.Blocks;
 import io.anuke.ucore.graphics.Pixmaps;
 
 public class MapEditor{
-	public static final int[] validMapSizes = {64, 128, 256};
+	public static final int[] validMapSizes = {128, 256, 512};
 	public static final int[] brushSizes = {1, 2, 3, 4, 5, 9, 15};
+	public static final int maxSpawnpoints = 15;
 	
 	private Pixmap[] brushPixmaps = new Pixmap[brushSizes.length];
 	
@@ -36,6 +37,10 @@ public class MapEditor{
 		}
 	}
 	
+	public Map getMap(){
+		return map;
+	}
+	
 	public void updateTexture(){
 		texture.draw(pixmap, 0, 0);
 	}
@@ -156,10 +161,18 @@ public class MapEditor{
 		return pixmap;
 	}
 	
-	public void resize(int mapSize){
-		Pixmap out = Pixmaps.resize(pixmap, mapSize, mapSize);
+	public void resize(int width, int height){
+		Pixmap out = Pixmaps.resize(pixmap, width, height);
 		pixmap.dispose();
 		pixmap = out;
-		texture.draw(pixmap, 0, 0);
+		texture.dispose();
+		texture = new Texture(out);
+		
+		if(filterPixmap != null){
+			filterPixmap.dispose();
+			filterTexture.dispose();
+			filterPixmap = null;
+			filterTexture = null;
+		}
 	}
 }

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

@@ -1,12 +1,17 @@
 package io.anuke.mindustry.mapeditor;
 
+import com.badlogic.gdx.graphics.Pixmap;
+
+import io.anuke.mindustry.Vars;
 import io.anuke.mindustry.world.Block;
 import io.anuke.mindustry.world.ColorMapper;
 import io.anuke.mindustry.world.ColorMapper.BlockPair;
 import io.anuke.mindustry.world.Map;
 import io.anuke.mindustry.world.blocks.Blocks;
+import io.anuke.mindustry.world.blocks.SpecialBlocks;
 import io.anuke.ucore.core.Core;
 import io.anuke.ucore.core.Draw;
+import io.anuke.ucore.core.Timers;
 import io.anuke.ucore.scene.builders.*;
 import io.anuke.ucore.scene.ui.*;
 import io.anuke.ucore.scene.ui.layout.Table;
@@ -16,6 +21,10 @@ public class MapEditorDialog extends Dialog{
 	private MapEditor editor;
 	private MapView view;
 	private MapGenerateDialog dialog;
+	private MapLoadDialog loadDialog;
+	private MapSaveDialog saveDialog;
+	private MapResizeDialog resizeDialog;
+	
 	private ButtonGroup<ImageButton> blockgroup;
 	
 	public MapEditorDialog(MapEditor editor){
@@ -24,6 +33,34 @@ public class MapEditorDialog extends Dialog{
 		dialog = new MapGenerateDialog(editor);
 		view = new MapView(editor);
 		
+		loadDialog = new MapLoadDialog(map -> {
+			editor.beginEdit(map);
+		});
+		
+		resizeDialog = new MapResizeDialog(editor, (x, y) -> {
+			Pixmap pix = editor.pixmap();
+			if(!(pix.getWidth() == x && pix.getHeight() == y)){
+				Vars.ui.showLoading();
+				Timers.run(10f, ()->{
+					editor.resize(x, y);
+					Vars.ui.hideLoading();
+				});
+			}
+		});
+		
+		saveDialog = new MapSaveDialog(name -> {
+			Vars.ui.showLoading();
+			if(verifyMap()){
+				editor.getMap().name = name;
+				Timers.run(10f, () -> {
+					Vars.world.maps().saveAndReload(editor.getMap(), editor.pixmap());
+					Vars.ui.hideLoading();
+				});
+			}else{
+				Vars.ui.hideLoading();
+			}
+		});
+		
 		setFillParent(true);
 		
 		clearChildren();
@@ -48,7 +85,6 @@ public class MapEditorDialog extends Dialog{
 			}
 			i++;
 		}
-		
 	}
 	
 	public void build(){
@@ -68,13 +104,13 @@ public class MapEditorDialog extends Dialog{
 				row();
 				
 				new imagebutton("icon-load", isize, () -> {
-					
+					loadDialog.show();
 				}).text("load map");
 				
 				row();
 				
 				new imagebutton("icon-save", isize, ()->{
-					
+					saveDialog.show();
 				}).text("save map");
 				
 				row();
@@ -92,7 +128,7 @@ public class MapEditorDialog extends Dialog{
 				row();
 				
 				new imagebutton("icon-cursor", 10f*3f, () -> {
-					
+					resizeDialog.show();
 				}).text("resize").padTop(4f);
 				
 				row();
@@ -150,6 +186,38 @@ public class MapEditorDialog extends Dialog{
 		}}.grow().end();
 	}
 	
+	private boolean verifyMap(){
+		int psc = ColorMapper.getColor(SpecialBlocks.playerSpawn);
+		int esc = ColorMapper.getColor(SpecialBlocks.enemySpawn);
+		
+		int playerSpawns = 0;
+		int enemySpawns = 0;
+		Pixmap pix = editor.pixmap();
+		
+		for(int x = 0; x < pix.getWidth(); x ++){
+			for(int y = 0; y < pix.getHeight(); y ++){
+				int i = pix.getPixel(x, y);
+				if(i == psc) playerSpawns ++;
+				if(i == esc) enemySpawns ++;
+			}
+		}
+		
+		if(playerSpawns == 0){
+			Vars.ui.showError("This map has no player spawnpoint!");
+			return false;
+		}else if(playerSpawns > 1){
+			Vars.ui.showError("Maps cannot have more than one\nplayer spawnpoint!");
+			return false;
+		}
+		
+		if(enemySpawns > MapEditor.maxSpawnpoints){
+			Vars.ui.showError("Cannot have more than\n" + MapEditor.maxSpawnpoints + " enemy spawnpoints!");
+			return false;
+		}
+		
+		return true;
+	}
+	
 	private void addBlockSelection(Table table){
 		Table content = new Table();
 		ScrollPane pane = new ScrollPane(content, "volume");
@@ -174,6 +242,8 @@ public class MapEditorDialog extends Dialog{
 			}
 		}
 		
+		group.getButtons().get(3).setChecked(true);
+		
 		Table extra = new Table("button");
 		extra.addWrap(() -> editor.getDrawBlock().name).width(120f).center();
 		table.add(extra).growX();

core/src/io/anuke/mindustry/mapeditor/MapLoadDialog.java

@@ -0,0 +1,63 @@
+package io.anuke.mindustry.mapeditor;
+
+import io.anuke.mindustry.Vars;
+import io.anuke.mindustry.ui.BorderImage;
+import io.anuke.mindustry.ui.FloatingDialog;
+import io.anuke.mindustry.world.Map;
+import io.anuke.ucore.function.Consumer;
+import io.anuke.ucore.scene.ui.ButtonGroup;
+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.ui.layout.Unit;
+
+public class MapLoadDialog extends FloatingDialog{
+	Map selected = Vars.world.maps().getMap(0);
+
+	public MapLoadDialog(Consumer<Map> loader) {
+		super("load map");
+		ButtonGroup<TextButton> group = new ButtonGroup<>();
+		
+		int maxcol = 3;
+		
+		int i = 0;
+		
+		Table table = new Table();
+		table.defaults().size(200f, 90f).units(Unit.dp).pad(4f);
+		table.pad(Unit.dp.inPixels(10f));
+		
+		ScrollPane pane = new ScrollPane(table, "horizontal");
+		pane.setFadeScrollBars(false);
+		
+		for(Map map : Vars.world.maps().list()){
+			if(!map.visible) continue;
+			
+			TextButton button = new TextButton(map.name, "toggle");
+			button.add(new BorderImage(map.texture, 2f)).size(Unit.dp.inPixels(16*4f));
+			button.getCells().reverse();
+			button.clicked(() -> selected = map);
+			button.getLabelCell().grow().left().padLeft(5f).units(Unit.dp);
+			group.add(button);
+			table.add(button);
+			if(++i % maxcol == 0) table.row();
+		}
+		
+		content().add("Select a map to load:");
+		content().row();
+		content().add(pane);
+		
+		TextButton button = new TextButton("Load");
+		button.setDisabled(() -> selected == null);
+		button.clicked(() -> {
+			if(selected != null){
+				loader.accept(selected);
+				hide();
+			}
+		});
+		
+		buttons().defaults().size(200f, 50f).units(Unit.dp);
+		buttons().addButton("Cancel", this::hide);
+		buttons().add(button);
+	}
+
+}

core/src/io/anuke/mindustry/mapeditor/MapResizeDialog.java

@@ -0,0 +1,67 @@
+package io.anuke.mindustry.mapeditor;
+
+import com.badlogic.gdx.graphics.Pixmap;
+import com.badlogic.gdx.utils.Align;
+
+import io.anuke.mindustry.ui.FloatingDialog;
+import io.anuke.ucore.function.BiConsumer;
+import io.anuke.ucore.scene.ui.ButtonGroup;
+import io.anuke.ucore.scene.ui.TextButton;
+import io.anuke.ucore.scene.ui.layout.Table;
+import io.anuke.ucore.scene.ui.layout.Unit;
+
+public class MapResizeDialog extends FloatingDialog{
+	int width, height;
+	
+	public MapResizeDialog(MapEditor editor, BiConsumer<Integer, Integer> cons){
+		super("resize map");
+		shown(() -> {
+			Pixmap pix = editor.pixmap();
+			width = pix.getWidth();
+			height = pix.getHeight();
+			
+			Table table = new Table();
+			
+			for(int d = 0; d < 2; d ++){
+				boolean w = d == 0;
+				int curr = d == 0 ? pix.getWidth() : pix.getHeight();
+				int idx = 0;
+				for(int i = 0; i < MapEditor.validMapSizes.length; i ++)
+					if(MapEditor.validMapSizes[i] == curr) idx = i;
+				
+				table.add(d == 0 ? "Width: ": "Height: ");
+				ButtonGroup<TextButton> group = new ButtonGroup<>();
+				for(int i = 0; i < MapEditor.validMapSizes.length; i ++){
+					int size = MapEditor.validMapSizes[i];
+					TextButton button = new TextButton(size + "", "toggle");
+					button.clicked(() -> {
+						if(w)
+							width = size;
+						else
+							height = size;
+					});
+					group.add(button);
+					if(i == idx) button.setChecked(true);
+					table.add(button).size(100f, 54f).pad(2f).units(Unit.dp);
+				}
+				
+				table.row();
+			}
+			
+			content().add(() -> 
+				width + height > 512 ? "[scarlet]Warning!\n[]Maps larger than 256 units may be laggy and unstable." : ""
+			).get().setAlignment(Align.center, Align.center);
+			content().row();
+			content().add(table);
+			
+		});
+		
+		buttons().defaults().size(200f, 50f).units(Unit.dp);
+		buttons().addButton("Cancel", this::hide);
+		buttons().addButton("Resize", () -> {
+			cons.accept(width, height);
+			hide();
+		});
+		
+	}
+}

core/src/io/anuke/mindustry/mapeditor/MapSaveDialog.java

@@ -0,0 +1,57 @@
+package io.anuke.mindustry.mapeditor;
+
+import io.anuke.mindustry.Vars;
+import io.anuke.mindustry.ui.FloatingDialog;
+import io.anuke.mindustry.world.Map;
+import io.anuke.ucore.function.Consumer;
+import io.anuke.ucore.scene.ui.TextButton;
+import io.anuke.ucore.scene.ui.TextField;
+import io.anuke.ucore.scene.ui.layout.Unit;
+
+public class MapSaveDialog extends FloatingDialog{
+	private TextField field;
+	
+	public MapSaveDialog(Consumer<String> cons){
+		super("Save Map");
+		field = new TextField();
+		
+		shown(() -> {
+			content().clear();
+			content().add(() ->{ 
+				Map map = Vars.world.maps().getMap(field.getText());
+				if(map != null){
+					if(map.custom){
+						return "[accent]Warning!\nThis overwrites an existing map.";
+					}else{
+						return "[crimson]Cannot overwrite default map!";
+					}
+				}
+				return "";
+			}).colspan(2);
+			content().row();
+			content().add("Map Name:  ");
+			content().add(field).size(220f, 48f);
+		});
+		
+		buttons().defaults().size(200f, 50f).pad(2f).units(Unit.dp);
+		buttons().addButton("Cancel", this::hide);
+		
+		TextButton button = new TextButton("Save");
+		button.clicked(() -> {
+			if(!invalid()){
+				cons.accept(field.getText());
+				hide();
+			}
+		});
+		button.setDisabled(this::invalid);
+		buttons().add(button);
+	}
+	
+	private boolean invalid(){
+		if(field.getText().isEmpty()){
+			return true;
+		}
+		Map map = Vars.world.maps().getMap(field.getText());
+		return map != null && !map.custom;
+	}
+}

core/src/io/anuke/mindustry/mapeditor/MapView.java

@@ -120,12 +120,12 @@ public class MapView extends Element implements GestureListener{
 		float centery = y + height/2 + offsety * zoom;
 		
 		batch.flush();
-		ScissorStack.pushScissors(Tmp.r1.set(x + width/2 - size/2, y + height/2 - size/2, size, size));
+		boolean pop = ScissorStack.pushScissors(Tmp.r1.set(x + width/2 - size/2, y + height/2 - size/2, size, size));
 		
 		batch.draw(editor.texture(), centerx - sclsize/2, centery - sclsize/2, sclsize, sclsize);
 		batch.flush();
 		
-		ScissorStack.popScissors();
+		if(pop) ScissorStack.popScissors();
 		
 		Draw.color(Colors.get("accent"));
 		Draw.thick(Unit.dp.inPixels(3f));
@@ -134,7 +134,7 @@ public class MapView extends Element implements GestureListener{
 	}
 	
 	private boolean active(){
-		return Core.scene.getKeyboardFocus().isDescendantOf(Vars.ui.getEditor()) && Vars.ui.isEditing() && tool == EditorTool.zoom;
+		return Core.scene.getKeyboardFocus() != null && Core.scene.getKeyboardFocus().isDescendantOf(Vars.ui.getEditorDialog()) && Vars.ui.isEditing() && tool == EditorTool.zoom;
 	}
 
 	@Override

core/src/io/anuke/mindustry/ui/BorderImage.java

@@ -1,6 +1,7 @@
 package io.anuke.mindustry.ui;
 
 import com.badlogic.gdx.graphics.Colors;
+import com.badlogic.gdx.graphics.Texture;
 import com.badlogic.gdx.graphics.g2d.Batch;
 
 import io.anuke.ucore.core.Draw;
@@ -8,6 +9,18 @@ import io.anuke.ucore.scene.ui.Image;
 import io.anuke.ucore.scene.ui.layout.Unit;
 
 public class BorderImage extends Image{
+	private float thickness = 3f;
+	
+	public BorderImage(){}
+	
+	public BorderImage(Texture texture){
+		super(texture);
+	}
+	
+	public BorderImage(Texture texture, float thick){
+		super(texture);
+		thickness = thick;
+	}
 	
 	@Override
 	public void draw(Batch batch, float alpha){
@@ -17,7 +30,7 @@ public class BorderImage extends Image{
 		float scaleY = getScaleY();
 		
 		Draw.color(Colors.get("accent"));
-		Draw.thick(Unit.dp.inPixels(3f));
+		Draw.thick(Unit.dp.inPixels(thickness));
 		Draw.linerect(x + imageX, y + imageY, imageWidth * scaleX, imageHeight * scaleY);
 		Draw.reset();
 	}

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

@@ -23,11 +23,16 @@ public class LevelDialog extends FloatingDialog{
 		super("Level Select");
 		getTitleTable().getCell(title()).growX().center();
 		getTitleTable().center();
+		addCloseButton();
+		setup();
+	}
+	
+	public void reload(){
+		content().clear();
 		setup();
 	}
 	
 	void setup(){
-		addCloseButton();
 		Table maps = new Table();
 		ScrollPane pane = new ScrollPane(maps);
 		pane.setFadeScrollBars(false);

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

@@ -7,11 +7,14 @@ import com.badlogic.gdx.utils.IntMap.Entry;
 import com.badlogic.gdx.utils.ObjectIntMap;
 
 import io.anuke.mindustry.world.blocks.Blocks;
+import io.anuke.mindustry.world.blocks.SpecialBlocks;
 
 public class ColorMapper{
 	private static ObjectIntMap<Block> reverseColors = new ObjectIntMap<>();
 	private static Array<BlockPair> pairs = new Array<>();
 	private static IntMap<BlockPair> colors = map(
+		"ff0000", pair(Blocks.dirt, SpecialBlocks.enemySpawn),
+		"00ff00", pair(Blocks.stone, SpecialBlocks.playerSpawn),
 		"323232", pair(Blocks.stone),
 		"646464", pair(Blocks.stone, Blocks.stoneblock),
 		"50965a", pair(Blocks.grass),

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

@@ -6,16 +6,17 @@ import com.badlogic.gdx.utils.IntMap;
 import com.badlogic.gdx.utils.ObjectMap;
 
 import io.anuke.mindustry.Vars;
+import io.anuke.mindustry.core.GameState;
+import io.anuke.mindustry.core.GameState.State;
 import io.anuke.mindustry.entities.enemies.TargetEnemy;
 import io.anuke.mindustry.world.ColorMapper.BlockPair;
 import io.anuke.mindustry.world.blocks.Blocks;
+import io.anuke.mindustry.world.blocks.SpecialBlocks;
 import io.anuke.ucore.graphics.Hue;
 import io.anuke.ucore.noise.Noise;
 import io.anuke.ucore.util.Mathf;
 
 public class Generator{
-	static final int spawn = Color.rgba8888(Color.RED);
-	static final int start = Color.rgba8888(Color.GREEN);
 	static final ObjectMap<Block, Block> rocks = new ObjectMap(){{
 		put(Blocks.stone, Blocks.rock);
 		put(Blocks.snow, Blocks.icerock);
@@ -25,6 +26,7 @@ public class Generator{
 	
 	/**Returns world size.*/
 	public static void generate(Pixmap pixmap, Tile[][] tiles){
+		boolean hasenemies = true, hascore = false;;
 		
 		Noise.setSeed(Vars.world.getSeed());
 		
@@ -39,11 +41,16 @@ public class Generator{
 				if(pair != null){
 					block = pair.wall;
 					floor = pair.floor;
-				}else if(color == start){
+				}
+					
+				if(block == SpecialBlocks.playerSpawn){
+					block = Blocks.air;
 					Vars.control.setCore(Vars.world.tile(x, y));
-				}else if(color == spawn){
+					hascore = true;
+				}else if(block == SpecialBlocks.enemySpawn){
+					block = Blocks.air;
 					Vars.control.addSpawnPoint(Vars.world.tile(x, y));
-					floor = Blocks.dirt;
+					hasenemies = true;
 				}
 				
 				if(block == Blocks.air && Mathf.chance(0.025) && rocks.containsKey(floor)){
@@ -78,6 +85,16 @@ public class Generator{
 				tiles[x][y].setFloor(floor);
 			}
 		}
+		
+		if(!hascore){
+			GameState.set(State.menu);
+			Vars.ui.showError("[orange]Invalid map:[] this map has no core!");
+		}
+		
+		if(!hasenemies){
+			GameState.set(State.menu);
+			Vars.ui.showError("[orange]Invalid map:[] this map has no enemy spawnpoints!");
+		}
 	}
 	
 	private static IntMap<Block> map(Object...objects){

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

@@ -5,7 +5,7 @@ import com.badlogic.gdx.graphics.Pixmap;
 import com.badlogic.gdx.graphics.Texture;
 
 public class Map{
-	public int id;
+	public int id = -1;
 	public String name;
 	public boolean visible = true;
 	public boolean flipBase = false;

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

@@ -10,6 +10,7 @@ import com.badlogic.gdx.utils.Json.Serializer;
 import com.badlogic.gdx.utils.JsonWriter.OutputType;
 
 import io.anuke.mindustry.Vars;
+import io.anuke.ucore.core.Settings;
 import io.anuke.ucore.graphics.Pixmaps;
 
 public class Maps implements Disposable{
@@ -49,17 +50,59 @@ public class Maps implements Disposable{
 			}
 		}
 	}
+	
+	public void saveAndReload(Map map, Pixmap out){
+		if(map.pixmap != null && out != map.pixmap && map.texture != null){
+			map.texture.dispose();
+			map.texture = new Texture(out);
+		}else if (out == map.pixmap){
+			map.texture.draw(out, 0, 0);
+		}
+		map.pixmap = out;
+		if(map.texture == null) map.texture = new Texture(map.pixmap);
+		
+		if(map.id == -1){
+			if(mapNames.containsKey(map.name)){
+				map.id = mapNames.get(map.name).id;
+			}else{
+				map.id = ++lastID;
+			}
+		}
+		
+		if(!Settings.has("hiscore" + map.name)){
+			Settings.defaults("hiscore" + map.name, 0);
+		}
+		
+		saveCustomMap(map);
+		Vars.ui.reloadLevels();
+		//TODO reload map dialog
+	}
 
 	public void saveMaps(Array<Map> array, FileHandle file){
 		json.toJson(new ArrayContainer(array), file);
 	}
 	
 	public void saveCustomMap(Map toSave){
+		toSave.custom = true;
 		Array<Map> out = new Array<>();
+		boolean added = false;
 		for(Map map : maps.values()){
-			if(map.custom)
-				out.add(map);
+			if(map.custom){
+				if(map.name.equals(toSave.name)){
+					out.add(toSave);
+					added = true;
+				}else{
+					out.add(map);
+				}
+			}
 		}
+		if(!added){
+			out.add(toSave);
+		}
+		maps.remove(toSave.id);
+		mapNames.remove(toSave.name);
+		maps.put(toSave.id, toSave);
+		mapNames.put(toSave.name, toSave);
 		Pixmaps.write(toSave.pixmap, Vars.customMapDirectory.child(toSave.name + ".png"));
 		saveMaps(out, Vars.customMapDirectory.child("maps.json"));
 	}
@@ -73,6 +116,7 @@ public class Maps implements Disposable{
 					map.texture = new Texture(map.pixmap);
 					maps.put(map.id, map);
 					mapNames.put(map.name, map);
+					lastID = Math.max(lastID, map.id);
 				}
 			}
 			return true;

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

@@ -0,0 +1,9 @@
+package io.anuke.mindustry.world.blocks;
+
+import io.anuke.mindustry.world.Block;
+
+public class SpecialBlocks{
+	public static final Block
+	playerSpawn = new Block("playerspawn"),
+	enemySpawn = new Block("enemyspawn");
+}

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

@@ -19,10 +19,9 @@ import io.anuke.ucore.scene.ui.layout.Table;
 import io.anuke.ucore.scene.ui.layout.Unit;
 import io.anuke.ucore.util.Mathf;
 
-//TODO
 public class Teleporter extends Block implements Configurable{
-	public static final int colors = 4;
 	public static final Color[] colorArray = {Color.ROYAL, Color.ORANGE, Color.SCARLET, Color.FOREST, Color.PURPLE, Color.GOLD, Color.PINK};
+	public static final int colors = colorArray.length;
 	
 	private static Array<Tile> removal = new Array<>();
 	private static Array<Tile> returns = new Array<>();
@@ -71,16 +70,13 @@ public class Teleporter extends Block implements Configurable{
 		TeleporterEntity entity = tile.entity();
 		
 		table.addIButton("icon-arrow-left", Unit.dp.inPixels(10*3), ()->{
-			entity.color --;
-			if(entity.color < 0)
-				entity.color += 4;
+			entity.color = (byte)Mathf.mod(entity.color - 1, colors);
 		});
 		
 		table.add().size(40f).units(Unit.dp);
 		
 		table.addIButton("icon-arrow-right", Unit.dp.inPixels(10*3), ()->{
-			entity.color ++;
-			entity.color %= 4;
+			entity.color = (byte)Mathf.mod(entity.color + 1, colors);
 		});
 	}