Added WorldLabel entity for better server-side labels

annotations/src/main/resources/classids.properties

@@ -20,6 +20,7 @@ mindustry.entities.comp.PlayerComp=12
 mindustry.entities.comp.PosTeam=27
 mindustry.entities.comp.PosTeamDef=28
 mindustry.entities.comp.PuddleComp=13
+mindustry.entities.comp.WorldLabelComp=35
 mindustry.type.Weather.WeatherStateComp=14
 mindustry.world.blocks.campaign.LaunchPad.LaunchPayloadComp=15
 mindustry.world.blocks.campaign.PayloadLaunchPad.LargeLaunchPayloadComp=34

annotations/src/main/resources/revisions/WorldLabelComp/0.json

@@ -0,0 +1 @@
+{fields:[{name:flags,type:byte},{name:fontSize,type:float},{name:text,type:java.lang.String},{name:x,type:float},{name:y,type:float},{name:z,type:float}]}

core/src/mindustry/entities/GroupDefs.java

@@ -14,4 +14,5 @@ class GroupDefs<G>{
     @GroupDef(value = Firec.class) G fire;
     @GroupDef(value = Puddlec.class) G puddle;
     @GroupDef(value = WeatherStatec.class) G weather;
+    @GroupDef(value = WorldLabelc.class, mapping = true) G label;
 }

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

@@ -0,0 +1,68 @@
+package mindustry.entities.comp;
+
+import arc.graphics.*;
+import arc.graphics.g2d.*;
+import arc.scene.ui.layout.*;
+import arc.util.*;
+import arc.util.pooling.*;
+import mindustry.annotations.Annotations.*;
+import mindustry.gen.*;
+import mindustry.graphics.*;
+import mindustry.ui.*;
+
+/** Component/entity for labels in world space. Useful for servers. Does not save in files - create only on world load. */
+@EntityDef(value = {WorldLabelc.class}, serialize = false)
+@Component(base = true)
+public abstract class WorldLabelComp implements Posc, Drawc, Syncc{
+    @Import int id;
+    @Import float x, y;
+
+    public static final byte flagBackground = 1, flagOutline = 2;
+
+    public String text = "sample text";
+    public float fontSize = 1f, z = Layer.playerName + 1;
+    /** Flags are packed into a byte for sync efficiency; see the flag static values. */
+    public byte flags = flagBackground | flagOutline;
+
+    @Replace
+    public float clipSize(){
+        return text.length() * 10f * fontSize;
+    }
+
+    @Override
+    public void draw(){
+        Draw.z(z);
+        float z = Drawf.text();
+
+        Font font = (flags & flagOutline) != 0 ? Fonts.outline : Fonts.def;
+        GlyphLayout layout = Pools.obtain(GlyphLayout.class, GlyphLayout::new);
+
+        boolean ints = font.usesIntegerPositions();
+        font.setUseIntegerPositions(false);
+        font.getData().setScale(0.25f / Scl.scl(1f) * fontSize);
+        layout.setText(font, text);
+
+        if((flags & flagBackground) != 0){
+            Draw.color(0f, 0f, 0f, 0.3f);
+            Fill.rect(x, y - layout.height / 2, layout.width + 2, layout.height + 3);
+            Draw.color();
+        }
+
+        font.setColor(Color.white);
+        font.draw(text, x, y, 0, Align.center, false);
+
+        Draw.reset();
+        Pools.free(layout);
+        font.getData().setScale(1f);
+        font.setColor(Color.white);
+        font.setUseIntegerPositions(ints);
+
+        Draw.z(z);
+    }
+
+    /** This MUST be called instead of remove()! */
+    public void hide(){
+        remove();
+        Call.removeWorldLabel(id);
+    }
+}

core/src/mindustry/ui/Menus.java

@@ -94,9 +94,7 @@ public class Menus{
 
     @Remote(variants = Variant.both)
     public static void labelReliable(String message, float duration, float worldx, float worldy){
-        if(message == null) return;
-
-        ui.showLabel(message, duration, worldx, worldy);
+        label(message, duration, worldx, worldy);
     }
 
     @Remote(variants = Variant.both)
@@ -113,6 +111,15 @@ public class Menus{
         ui.hudfrag.showToast(Fonts.getGlyph(Fonts.icon, (char)unicode), text);
     }
 
+    //internal use only
+    @Remote
+    public static void removeWorldLabel(int id){
+        var label = Groups.label.getByID(id);
+        if(label != null){
+            label.remove();
+        }
+    }
+
     public interface MenuListener{
         void get(Player player, int option);
     }