Restructures the plugin and starts work on cleaning and commenting the code

src/main/java/net/knarcraft/stargate/event/StargateEvent.java

@@ -0,0 +1,54 @@
+package net.knarcraft.stargate.event;
+
+import net.knarcraft.stargate.Portal;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.Event;
+
+/*
+ * stargate - A portal plugin for Bukkit
+ * Copyright (C) 2011, 2012 Steven "Drakia" Scott <Contact@TheDgtl.net>
+ * Copyright (C) 2021 Kristian Knarvik
+ * <p>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * <p>
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * <p>
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * An abstract event describing any stargate event
+ */
+@SuppressWarnings("unused")
+public abstract class StargateEvent extends Event implements Cancellable {
+
+    protected Portal portal;
+    protected boolean cancelled;
+
+    public StargateEvent(String event, Portal portal) {
+        this.portal = portal;
+        this.cancelled = false;
+    }
+
+    public Portal getPortal() {
+        return portal;
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return this.cancelled;
+    }
+
+    @Override
+    public void setCancelled(boolean cancelled) {
+        this.cancelled = cancelled;
+    }
+
+}