Spine.MeshBatcher.Draw C# (CSharp) Method

		public void Draw (GraphicsDevice device) {
			if (items.Count == 0) return;

			int itemCount = items.Count;
			int vertexCount = 0, triangleCount = 0;
			for (int i = 0; i < itemCount; i++) {
				MeshItem item = items[i];
				vertexCount += item.vertexCount;
				triangleCount += item.triangleCount;
			}
			EnsureCapacity(vertexCount, triangleCount);

			vertexCount = 0;
			triangleCount = 0;
			Texture2D lastTexture = null;
			for (int i = 0; i < itemCount; i++) {
				MeshItem item = items[i];
				int itemVertexCount = item.vertexCount;

				if (item.texture != lastTexture || vertexCount + itemVertexCount > short.MaxValue) {
					FlushVertexArray(device, vertexCount, triangleCount);
					vertexCount = 0;
					triangleCount = 0;
					lastTexture = item.texture;
					device.Textures[0] = lastTexture;
				}

				int[] itemTriangles = item.triangles;
				int itemTriangleCount = item.triangleCount;
				for (int ii = 0, t = triangleCount; ii < itemTriangleCount; ii++, t++)
					triangles[t] = (short)(itemTriangles[ii] + vertexCount);
				triangleCount += itemTriangleCount;

				Array.Copy(item.vertices, 0, vertexArray, vertexCount, itemVertexCount);
				vertexCount += itemVertexCount;

				item.texture = null;
				freeItems.Enqueue(item);
			}
			FlushVertexArray(device, vertexCount, triangleCount);
			items.Clear();
		}

 public void End()
 {
     foreach (EffectPass pass in effect.CurrentTechnique.Passes)
     {
         pass.Apply();
         batcher.Draw(device);
     }
 }