Fixed logic config() called in clients / JSON-compatible effects

core/src/mindustry/entities/effect/MultiEffect.java

@@ -0,0 +1,32 @@
+package mindustry.entities.effect;
+
+import mindustry.entities.*;
+
+/** Renders multiple particle effects at once. */
+public class MultiEffect extends Effect{
+    public Effect[] effects = {};
+
+    public MultiEffect(){
+        clip = 100f;
+    }
+
+    public MultiEffect(Effect... effects){
+        this();
+        this.effects = effects;
+    }
+
+    @Override
+    public void init(){
+        for(Effect f : effects){
+            clip = Math.max(clip, f.clip);
+        }
+    }
+
+    @Override
+    public void render(EffectContainer e){
+        for(Effect f : effects){
+            e.scaled(f.lifetime, f::render);
+            clip = Math.max(clip, f.clip);
+        }
+    }
+}