Behaviour Tree

Runtime/Engine/Code/AI/Sequence.cs

@@ -0,0 +1,37 @@
+using System;
+
+namespace RebootKit.Engine.AI {
+    public class Sequence : BehaviourNode {
+        readonly Func<bool> m_Condition;
+        
+        public Sequence(string name, Func<bool> condition = null) : base(name) {
+            m_Condition = condition;
+        }
+
+        public override Status Process(float dt) {
+            if (m_Condition != null && !m_Condition()) {
+                return Status.Failure;
+            }
+
+            if (m_CurrentChild < Children.Count) {
+                Status status = Children[m_CurrentChild].Process(dt);
+            
+                switch (status) {
+                case Status.Success:
+                    m_CurrentChild += 1;
+                    return m_CurrentChild == Children.Count ? Status.Success : Status.Running;
+                
+                case Status.Failure:
+                    Reset();
+                    return Status.Failure;
+
+                case Status.Running:
+                    return Status.Running;
+                }     
+            }
+
+            Reset();
+            return Status.Success;
+        }
+    }
+}