Added player character and step in/out of dialogue in scene 101

NightclubArcadia/Packages/com.unity.probuilder/Runtime/Core/Triangle.cs

@@ -0,0 +1,82 @@
+using System;
+using System.Collections.Generic;
+
+namespace UnityEngine.ProBuilder
+{
+    [Serializable]
+    struct Triangle : IEquatable<Triangle>
+    {
+        [SerializeField]
+        int m_A;
+
+        [SerializeField]
+        int m_B;
+
+        [SerializeField]
+        int m_C;
+
+        public int a
+        {
+            get { return m_A; }
+        }
+
+        public int b
+        {
+            get { return m_B; }
+        }
+
+        public int c
+        {
+            get { return m_C; }
+        }
+
+        public IEnumerable<int> indices
+        {
+            get { return new[] { m_A, m_B, m_C }; }
+        }
+
+        public Triangle(int a, int b, int c)
+        {
+            m_A = a;
+            m_B = b;
+            m_C = c;
+        }
+
+        public bool Equals(Triangle other)
+        {
+            return m_A == other.a && m_B == other.b && m_C == other.c;
+        }
+
+        public override bool Equals(object obj)
+        {
+            return obj is Triangle other && Equals(other);
+        }
+
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                var hashCode = m_A;
+                hashCode = (hashCode * 397) ^ m_B;
+                hashCode = (hashCode * 397) ^ m_C;
+                return hashCode;
+            }
+        }
+
+        public bool IsAdjacent(Triangle other)
+        {
+            return other.ContainsEdge(new Edge(a, b))
+                || other.ContainsEdge(new Edge(b, c))
+                || other.ContainsEdge(new Edge(c, a));
+        }
+
+        bool ContainsEdge(Edge edge)
+        {
+            if (new Edge(a, b) == edge)
+                return true;
+            if (new Edge(b, c) == edge)
+                return true;
+            return new Edge(c, a) == edge;
+        }
+    }
+}