Entity groups

core/src/mindustry/entities/def/EntityComps.java

@@ -1242,6 +1242,10 @@ public class EntityComps{
         public void update(){
             //TODO fix effects, make everything poolable
         }
+
+        public float clipSize(){
+            return effect.size;
+        }
     }
 
     @Component

core/src/mindustry/entities/def/EntityDefs.java

@@ -10,4 +10,7 @@ class EntityDefs{
 
     @EntityDef({TileComp.class})
     class TileDef{}
+
+    @EntityDef({EffectComp.class})
+    class EffectDef{}
 }

core/src/mindustry/entities/def/EntityGroupDefs.java

@@ -1,4 +1,22 @@
 package mindustry.entities.def;
 
+import mindustry.annotations.Annotations.*;
+import mindustry.entities.def.EntityComps.*;
+
 public class EntityGroupDefs{
+
+    @GroupDef(UnitComp.class)
+    void unit(){
+
+    }
+
+    @GroupDef(TileComp.class)
+    void tile(){
+
+    }
+
+    @GroupDef(DrawComp.class)
+    void drawers(){
+
+    }
 }