Add Cancel Lightning Remove Routine Trigger

Author: maddie480

Ahorn/triggers/cancelLightningRemoveRoutineTrigger.jl

@@ -0,0 +1,14 @@
+module SpringCollab2020CancelLightningRemoveRoutineTrigger
+
+using ..Ahorn, Maple
+
+@mapdef Trigger "SpringCollab2020/CancelLightningRemoveRoutineTrigger" CancelLightningRemoveRoutineTrigger(x::Integer, y::Integer, width::Integer=Maple.defaultTriggerWidth, height::Integer=Maple.defaultTriggerHeight)
+
+const placements = Ahorn.PlacementDict(
+    "Cancel Lightning Remove Routine Trigger (Spring Collab 2020)" => Ahorn.EntityPlacement(
+        CancelLightningRemoveRoutineTrigger,
+        "rectangle",
+    ),
+)
+
+end

Triggers/CancelLightningRemoveRoutineTrigger.cs

@@ -0,0 +1,29 @@
+using Celeste.Mod.Entities;
+using Microsoft.Xna.Framework;
+using Monocle;
+using System.Linq;
+using System.Reflection;
+
+namespace Celeste.Mod.SpringCollab2020.Triggers {
+    [CustomEntity("SpringCollab2020/CancelLightningRemoveRoutineTrigger")]
+    class CancelLightningRemoveRoutineTrigger : Trigger {
+        private static MethodInfo lightningSetBreakValue = typeof(Lightning).GetMethod("SetBreakValue", BindingFlags.Static | BindingFlags.NonPublic);
+
+        public CancelLightningRemoveRoutineTrigger(EntityData data, Vector2 offset) : base(data, offset) { }
+
+        public override void OnEnter(Player player) {
+            base.OnEnter(player);
+
+            if (Scene.Entities.FirstOrDefault(entity => entity is LightningBreakerBox && entity.TagCheck(Tags.Persistent))
+                is LightningBreakerBox box) {
+
+                // break routine is in progress! delete the box running it, and reset the "break value" to zero.
+                box.Remove(box.Get<Coroutine>());
+                box.RemoveSelf();
+                lightningSetBreakValue.Invoke(null /* static method */, new object[] { Scene as Level, 0f });
+            }
+
+            RemoveSelf();
+        }
+    }
+}