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App/util/Region3Int16.h

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+/* Copyright 2003-2005 ROBLOX Corporation, All Rights Reserved */
+#pragma once
+
+#include "G3D/Vector3int16.h"
+#include "G3DCore.h"
+
+namespace RBX {
+
+	class Region3int16 {
+	private:
+		Vector3int16 minPos;
+		Vector3int16 maxPos;
+
+	public:
+		Region3int16()
+        {
+        }
+
+		Region3int16(const Vector3int16& min, const Vector3int16& max)
+            : minPos(min)
+            , maxPos(max)
+        {
+        }
+
+		const Vector3int16& getMinPos() const
+        {
+            return minPos;
+        }
+
+		const Vector3int16& getMaxPos() const
+        {
+            return maxPos;
+        }
+
+		bool operator==(const Region3int16& other) const
+        {
+			return (minPos == other.minPos) && (maxPos == other.maxPos);
+		}
+
+		bool operator!=(const Region3int16& other) const
+        {
+			return !(*this == other);
+		}
+
+        bool contains(const Vector3int16& p) const
+        {
+            return
+                static_cast<unsigned int>(p.x - minPos.x) <= static_cast<unsigned int>(maxPos.x - minPos.x) &&
+                static_cast<unsigned int>(p.y - minPos.y) <= static_cast<unsigned int>(maxPos.y - minPos.y) &&
+                static_cast<unsigned int>(p.z - minPos.z) <= static_cast<unsigned int>(maxPos.z - minPos.z);
+        }
+
+        bool empty() const
+        {
+            return minPos.x > maxPos.x || minPos.y > maxPos.y || minPos.z > maxPos.z;
+        }
+	};
+}