/* 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.
 */

namespace UnityEngine.ProBuilder.Poly2Tri {
	class DTSweepDebugContext : TriangulationDebugContext {
		/*
		 * Fields used for visual representation of current triangulation
		 */

		public DelaunayTriangle   PrimaryTriangle   { get { return _primaryTriangle  ; } set { _primaryTriangle   = value; _tcx.Update("set PrimaryTriangle");   } }
		public DelaunayTriangle   SecondaryTriangle { get { return _secondaryTriangle; } set { _secondaryTriangle = value; _tcx.Update("set SecondaryTriangle"); } }
		public TriangulationPoint ActivePoint       { get { return _activePoint      ; } set { _activePoint       = value; _tcx.Update("set ActivePoint");       } }
		public AdvancingFrontNode ActiveNode        { get { return _activeNode       ; } set { _activeNode        = value; _tcx.Update("set ActiveNode");        } }
		public DTSweepConstraint  ActiveConstraint  { get { return _activeConstraint ; } set { _activeConstraint  = value; _tcx.Update("set ActiveConstraint");  } }

		public DTSweepDebugContext( DTSweepContext tcx ) : base(tcx) { }

		public bool IsDebugContext { get { return true; } }

		public override void Clear() {
			PrimaryTriangle   = null;
			SecondaryTriangle = null;
			ActivePoint       = null;
			ActiveNode        = null;
			ActiveConstraint  = null;
		}

		private DelaunayTriangle _primaryTriangle;
		private DelaunayTriangle _secondaryTriangle;
		private TriangulationPoint _activePoint;
		private AdvancingFrontNode _activeNode;
		private DTSweepConstraint  _activeConstraint;
	}
}