1 files changed, 25 insertions, 0 deletions
diff --git a/Runtime/Graphs/UnityEngine.Graphs/MonoBehaviourEventDummies/ColliderDummyBase.cs b/Runtime/Graphs/UnityEngine.Graphs/MonoBehaviourEventDummies/ColliderDummyBase.cs
new file mode 100644
index 0000000..2d7efca
--- /dev/null
+++ b/Runtime/Graphs/UnityEngine.Graphs/MonoBehaviourEventDummies/ColliderDummyBase.cs
@@ -0,0 +1,25 @@
+using System;
+using UnityEngine;
+
+namespace UnityEngine.Graphs.LogicGraph
+{
+	// For now we do triggers by attaching this MonoBehaviour to needed gameobjects. Class then sends events to logic graph nodes.
+	public abstract class ColliderDummyBase : MonoBehaviour
+	{
+		protected static Component AttachToCollider(Collider self, Type dummyType)
+		{
+			var attached = GetAndAddComponentIfNeeded(self.gameObject, dummyType);
+
+			if (attached == null)
+				throw new ArgumentException("Failed to attach Logic Graph Collider Event handler to a game object of component '" + self + "'.");
+
+			return attached;
+		}
+
+		private static Component GetAndAddComponentIfNeeded(GameObject go, Type type)
+		{
+			return go.GetComponent(type) ?? go.AddComponent(type);
+		}
+	}
+}
+