@@ -0,0 +1,418 @@
+package net.mostlyoriginal.api.system.core;%0A%0Aimport com.artemis.BaseSystem;import java.lang.Override;%0A%0A/**%0A * Headless system.%0A *%0A * For tickless secondary systems that service primary systems.%0A *%0A * @author Daan van Yperen%0A */%0Apublic class PassiveSystem extends BaseSystem %7B%0A%0A    public PassiveSystem() %7B%0A        setPassive(true);%0A    %7D%0A%0A    @Override%0A    protected void processSystem() %7B%0A%09    // do nothing!%0A    %7D%0A%7D%0A

Add PassiveSystem.java.