From 1ae0a61f79126098e74f143b0e42e67ee70bb487 Mon Sep 17 00:00:00 2001
From: mcmonkey4eva <mcmonkey4eva@hotmail.com>
Date: Sun, 11 Dec 2016 21:35:00 -0800
Subject: [PATCH] experimental 'internal event' scumhackery

---
 .../denizen2sponge/Denizen2Sponge.java        |   2 +
 .../events/server/InternalScriptEvent.java    | 110 ++++++++++++++++++
 2 files changed, 112 insertions(+)
 create mode 100644 src/main/java/com/denizenscript/denizen2sponge/events/server/InternalScriptEvent.java

diff --git a/src/main/java/com/denizenscript/denizen2sponge/Denizen2Sponge.java b/src/main/java/com/denizenscript/denizen2sponge/Denizen2Sponge.java
index ad4f293..4120999 100644
--- a/src/main/java/com/denizenscript/denizen2sponge/Denizen2Sponge.java
+++ b/src/main/java/com/denizenscript/denizen2sponge/Denizen2Sponge.java
@@ -25,6 +25,7 @@
 import com.denizenscript.denizen2sponge.events.player.PlayerRightClicksBlockScriptEvent;
 import com.denizenscript.denizen2sponge.events.player.PlayerRightClicksEntityScriptEvent;
 import com.denizenscript.denizen2sponge.events.server.ClientPingsServerScriptEvent;
+import com.denizenscript.denizen2sponge.events.server.InternalScriptEvent;
 import com.denizenscript.denizen2sponge.events.world.BlockChangeScriptEvent;
 import com.denizenscript.denizen2sponge.events.entity.EntitySpawnScriptEvent;
 import com.denizenscript.denizen2sponge.spongecommands.ExCommand;
@@ -151,6 +152,7 @@ public void onServerStart(GamePreInitializationEvent event) {
         Denizen2Core.register(new PlayerRightClicksEntityScriptEvent());
         // Events: Server
         Denizen2Core.register(new ClientPingsServerScriptEvent());
+        Denizen2Core.register(new InternalScriptEvent());
         // Events: World
         Denizen2Core.register(new BlockChangeScriptEvent());
         // Tag Handlers: Sponge Basics
diff --git a/src/main/java/com/denizenscript/denizen2sponge/events/server/InternalScriptEvent.java b/src/main/java/com/denizenscript/denizen2sponge/events/server/InternalScriptEvent.java
new file mode 100644
index 0000000..18b0b6e
--- /dev/null
+++ b/src/main/java/com/denizenscript/denizen2sponge/events/server/InternalScriptEvent.java
@@ -0,0 +1,110 @@
+package com.denizenscript.denizen2sponge.events.server;
+
+import com.denizenscript.denizen2core.events.ScriptEvent;
+import com.denizenscript.denizen2core.tags.AbstractTagObject;
+import com.denizenscript.denizen2core.tags.objects.MapTag;
+import com.denizenscript.denizen2core.tags.objects.TextTag;
+import com.denizenscript.denizen2sponge.Denizen2Sponge;
+import org.spongepowered.api.Sponge;
+import org.spongepowered.api.event.Cancellable;
+import org.spongepowered.api.event.Event;
+import org.spongepowered.api.event.Listener;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class InternalScriptEvent extends ScriptEvent {
+
+    // <--[event]
+    // @Events
+    // internal event
+    //
+    // @Updated 2016/12/11
+    //
+    // @Cancellable true
+    //
+    // @Note Cancellability depends on internal event.
+    //
+    // @Triggers when any internal event occurs.
+    //
+    // @Switch event_type (TextTag) checks the event type.
+    //
+    // @Context
+    // event_type (TextTag) returns the internal name of the event type.
+    // cause (MapTag) returns a simple Text:TextTag map of all named causes in the event.
+    //
+    // @Determinations
+    // None
+    // -->
+
+    @Override
+    public String getName() {
+        return "InternalEvent";
+    }
+
+    @Override
+    public boolean couldMatch(ScriptEventData data) {
+        return data.eventPath.startsWith("internal event");
+    }
+
+    @Override
+    public boolean matches(ScriptEventData data) {
+        if (data.switches.containsKey("type")) {
+            if (!data.switches.get("event_type").equalsIgnoreCase(event_type.getInternal())) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    public TextTag event_type;
+
+    public MapTag cause;
+
+    public Event internal;
+
+    @Override
+    public HashMap<String, AbstractTagObject> getDefinitions(ScriptEventData data) {
+        HashMap<String, AbstractTagObject> defs = super.getDefinitions(data);
+        defs.put("event_type", event_type);
+        defs.put("cause", cause);
+        return defs;
+    }
+
+    @Override
+    public void enable() {
+        Sponge.getEventManager().registerListeners(Denizen2Sponge.instance, this);
+    }
+
+    @Override
+    public void disable() {
+        Sponge.getEventManager().unregisterListeners(this);
+    }
+
+    @Listener
+    public void onInternalEvent(Event evt) {
+        InternalScriptEvent event = (InternalScriptEvent) clone();
+        event.internal = evt;
+        event.event_type = new TextTag(evt.getClass().getTypeName());
+        if (evt instanceof Cancellable) {
+            event.cancelled = ((Cancellable) evt).isCancelled();
+        }
+        else {
+            event.cancelled = false;
+        }
+        Map<String, Object> causes = evt.getCause().getNamedCauses();
+        event.cause = new MapTag();
+        for (Map.Entry<String, Object> tc : causes.entrySet()) {
+            event.cause.getInternal().put(tc.getKey(), new TextTag(tc.getValue().toString()));
+        }
+        event.run();
+        if (evt instanceof Cancellable) {
+            ((Cancellable) evt).setCancelled(event.cancelled);
+        }
+    }
+
+    @Override
+    public void applyDetermination(boolean errors, String determination, AbstractTagObject value) {
+        super.applyDetermination(errors, determination, value);
+    }
+}