ModelMesh.cs

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using System;
 
namespace Microsoft.Xna.Framework.Graphics;
 
public sealed class ModelMesh
{
    private string name;
 
    private ModelBone parentBone;
 
    private BoundingSphere boundingSphere = default(BoundingSphere);
 
    private ModelMeshPartCollection meshParts;
 
    private ModelEffectCollection effects = new ModelEffectCollection();
 
    private object tag;
 
    public string Name => name;
 
    public ModelBone ParentBone => parentBone;
 
    public BoundingSphere BoundingSphere => boundingSphere;
 
    public object Tag
    {
        get
        {
            return tag;
        }
        set
        {
            tag = value;
        }
    }
 
    public ModelMeshPartCollection MeshParts => meshParts;
 
    public ModelEffectCollection Effects => effects;
 
    internal ModelMesh(string name, ModelBone parentBone, BoundingSphere boundingSphere, ModelMeshPart[] meshParts, object tag)
    {
        this.name = name;
        this.parentBone = parentBone;
        this.boundingSphere = boundingSphere;
        this.meshParts = new ModelMeshPartCollection(meshParts);
        this.tag = tag;
        int num = meshParts.Length;
        for (int i = 0; i < num; i++)
        {
            ModelMeshPart modelMeshPart = meshParts[i];
            modelMeshPart.parent = this;
        }
    }
 
    public void Draw()
    {
        int count = MeshParts.Count;
        for (int i = 0; i < count; i++)
        {
            ModelMeshPart modelMeshPart = MeshParts[i];
            Effect effect = modelMeshPart.Effect;
            if (effect == null)
            {
                throw new InvalidOperationException(FrameworkResources.ModelHasNoEffect);
            }
            int count2 = effect.CurrentTechnique.Passes.Count;
            for (int j = 0; j < count2; j++)
            {
                effect.CurrentTechnique.Passes[j].Apply();
                modelMeshPart.Draw();
            }
        }
    }
}