From 134f86e8d5c414409631b25b8c6f0ee45fbd8631 Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Thu, 3 Nov 2016 21:44:39 +1000
Subject: Initial update to OpenSim 0.8.2.1 source code.

---
 .../ConvexDecompositionDotNet/HullTriangle.cs      | 99 ++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 OpenSim/Region/PhysicsModules/ConvexDecompositionDotNet/HullTriangle.cs

(limited to 'OpenSim/Region/PhysicsModules/ConvexDecompositionDotNet/HullTriangle.cs')

diff --git a/OpenSim/Region/PhysicsModules/ConvexDecompositionDotNet/HullTriangle.cs b/OpenSim/Region/PhysicsModules/ConvexDecompositionDotNet/HullTriangle.cs
new file mode 100644
index 0000000..d3f0052
--- /dev/null
+++ b/OpenSim/Region/PhysicsModules/ConvexDecompositionDotNet/HullTriangle.cs
@@ -0,0 +1,99 @@
+/* The MIT License
+ * 
+ * Copyright (c) 2010 Intel Corporation.
+ * All rights reserved.
+ *
+ * Based on the convexdecomposition library from 
+ * <http://codesuppository.googlecode.com> by John W. Ratcliff and Stan Melax.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+
+namespace OpenSim.Region.PhysicsModule.ConvexDecompositionDotNet
+{
+    public class HullTriangle : int3
+    {
+        public int3 n = new int3();
+        public int id;
+        public int vmax;
+        public float rise;
+        private List<HullTriangle> tris;
+
+        public HullTriangle(int a, int b, int c, List<HullTriangle> tris)
+            : base(a, b, c)
+        {
+            this.tris = tris;
+
+            n = new int3(-1, -1, -1);
+            id = tris.Count;
+            tris.Add(this);
+            vmax = -1;
+            rise = 0.0f;
+        }
+
+        public void Dispose()
+        {
+            Debug.Assert(tris[id] == this);
+            tris[id] = null;
+        }
+
+        public int neib(int a, int b)
+        {
+            int i;
+
+            for (i = 0; i < 3; i++)
+            {
+                int i1 = (i + 1) % 3;
+                int i2 = (i + 2) % 3;
+                if ((this)[i] == a && (this)[i1] == b)
+                    return n[i2];
+                if ((this)[i] == b && (this)[i1] == a)
+                    return n[i2];
+            }
+
+            Debug.Assert(false);
+            return -1;
+        }
+
+        public void setneib(int a, int b, int value)
+        {
+            int i;
+
+            for (i = 0; i < 3; i++)
+            {
+                int i1 = (i + 1) % 3;
+                int i2 = (i + 2) % 3;
+                if ((this)[i] == a && (this)[i1] == b)
+                {
+                    n[i2] = value;
+                    return;
+                }
+                if ((this)[i] == b && (this)[i1] == a)
+                {
+                    n[i2] = value;
+                    return;
+                }
+            }
+        }
+    }
+}
-- 
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