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#region License
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/* FNA - XNA4 Reimplementation for Desktop Platforms
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* Copyright 2009-2020 Ethan Lee and the MonoGame Team
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*
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* Released under the Microsoft Public License.
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* See LICENSE for details.
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*/
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#endregion
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namespace Microsoft.Xna.Framework.Graphics
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{
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public sealed class ModelMeshPart
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{
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#region Public Properties
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/// <summary>
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/// Gets or sets the material Effect for this mesh part.
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/// </summary>
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public Effect Effect
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{
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get
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{
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return INTERNAL_effect;
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}
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set
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{
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if (value == INTERNAL_effect)
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{
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return;
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}
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if (INTERNAL_effect != null)
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{
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// First check to see any other parts are also using this effect.
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bool removeEffect = true;
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foreach (ModelMeshPart part in parent.MeshParts)
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{
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if (part != this && part.INTERNAL_effect == INTERNAL_effect)
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{
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removeEffect = false;
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break;
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}
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}
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if (removeEffect)
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{
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parent.Effects.Remove(INTERNAL_effect);
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}
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}
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// Set the new effect.
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INTERNAL_effect = value;
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if (INTERNAL_effect != null && !parent.Effects.Contains(INTERNAL_effect))
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{
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parent.Effects.Add(value);
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}
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}
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}
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/// <summary>
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/// Gets the index buffer for this mesh part.
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/// </summary>
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public IndexBuffer IndexBuffer
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{
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get;
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internal set;
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}
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/// <summary>
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/// Gets the number of vertices used during a draw call.
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/// </summary>
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public int NumVertices
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{
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get;
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internal set;
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}
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/// <summary>
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/// Gets the number of primitives to render.
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/// </summary>
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public int PrimitiveCount
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{
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get;
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internal set;
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}
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/// <summary>
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/// Gets the location in the index array at which to start reading vertices.
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/// </summary>
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public int StartIndex
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{
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get;
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internal set;
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}
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/// <summary>
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/// Gets or sets an object identifying this model mesh part.
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/// </summary>
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public object Tag
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{
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get;
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set;
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}
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/// <summary>
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/// Gets the vertex buffer for this mesh part.
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/// </summary>
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public VertexBuffer VertexBuffer
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{
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get;
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internal set;
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}
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/// <summary>
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/// Gets the offset (in vertices) from the top of vertex buffer.
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/// </summary>
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public int VertexOffset
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{
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get;
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internal set;
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}
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#endregion
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#region Internal Variables
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internal ModelMesh parent;
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#endregion
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#region Private Variables
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private Effect INTERNAL_effect;
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#endregion
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#region Internal Constructor
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internal ModelMeshPart()
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{
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}
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#endregion
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}
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}
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