feat: Initial commit

Assets/Plugins/Poly2Tri/Utility/FixedBitArray3.cs

@@ -0,0 +1,137 @@
+/* Poly2Tri
+ * Copyright (c) 2009-2010, Poly2Tri Contributors
+ * http://code.google.com/p/poly2tri/
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ * * Neither the name of Poly2Tri nor the names of its contributors may be
+ *   used to endorse or promote products derived from this software without specific
+ *   prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace Poly2Tri
+{
+    public struct FixedBitArray3 : IEnumerable<bool>
+    {
+        public bool _0, _1, _2;
+        public bool this[int index]
+        {
+            get
+            {
+                switch (index)
+                {
+                    case 0:
+                        return _0;
+                    case 1:
+                        return _1;
+                    case 2:
+                        return _2;
+                    default:
+                        throw new IndexOutOfRangeException();
+                }
+            }
+            set
+            {
+                switch (index)
+                {
+                    case 0:
+                        _0 = value;
+                        break;
+                    case 1:
+                        _1 = value;
+                        break;
+                    case 2:
+                        _2 = value;
+                        break;
+                    default:
+                        throw new IndexOutOfRangeException();
+                }
+            }
+        }
+
+
+        public bool Contains(bool value)
+        {
+            for (int i = 0; i < 3; ++i)
+            {
+                if (this[i] == value)
+                {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+        
+        
+        public int IndexOf(bool value)
+        {
+            for (int i = 0; i < 3; ++i)
+            {
+                if (this[i] == value)
+                {
+                    return i;
+                }
+            }
+
+            return -1;
+        }
+
+        
+        public void Clear()
+        {
+            _0 = _1 = _2 = false;
+        }
+
+        
+        public void Clear(bool value)
+        {
+            for (int i = 0; i < 3; ++i)
+            {
+                if (this[i] == value)
+                {
+                    this[i] = false;
+                }
+            }
+        }
+
+
+        private IEnumerable<bool> Enumerate()
+        {
+            for (int i = 0; i < 3; ++i)
+            {
+                yield return this[i];
+            }
+        }
+
+        
+        public IEnumerator<bool> GetEnumerator() { return Enumerate().GetEnumerator(); }
+
+        
+        IEnumerator IEnumerable.GetEnumerator() { return GetEnumerator(); }
+    }
+}