public void ToStreamEx(Stream s, PmxElementFormat f = null)
        {
            V3_BytesConvert.ToStream(s, Position);
            V3_BytesConvert.ToStream(s, Normal);
            V2_BytesConvert.ToStream(s, UV);
            for (int i = 0; i < f.UVACount; i++)
            {
                V4_BytesConvert.ToStream(s, UVA[i]);
            }
            if (Deform == DeformType.QDEF && f.Ver < 2.1f)
            {
                s.WriteByte(2);
            }
            else
            {
                s.WriteByte((byte)Deform);
            }
            switch (Deform)
            {
            case DeformType.BDEF1:
                PmxStreamHelper.WriteElement_Int32(s, Weight[0].Bone, f.BoneSize);
                break;

            case DeformType.BDEF2:
                PmxStreamHelper.WriteElement_Int32(s, Weight[0].Bone, f.BoneSize);
                PmxStreamHelper.WriteElement_Int32(s, Weight[1].Bone, f.BoneSize);
                PmxStreamHelper.WriteElement_Float(s, Weight[0].Value);
                break;

            case DeformType.BDEF4:
            case DeformType.QDEF:
                PmxStreamHelper.WriteElement_Int32(s, Weight[0].Bone, f.BoneSize);
                PmxStreamHelper.WriteElement_Int32(s, Weight[1].Bone, f.BoneSize);
                PmxStreamHelper.WriteElement_Int32(s, Weight[2].Bone, f.BoneSize);
                PmxStreamHelper.WriteElement_Int32(s, Weight[3].Bone, f.BoneSize);
                PmxStreamHelper.WriteElement_Float(s, Weight[0].Value);
                PmxStreamHelper.WriteElement_Float(s, Weight[1].Value);
                PmxStreamHelper.WriteElement_Float(s, Weight[2].Value);
                PmxStreamHelper.WriteElement_Float(s, Weight[3].Value);
                break;

            case DeformType.SDEF:
                PmxStreamHelper.WriteElement_Int32(s, Weight[0].Bone, f.BoneSize);
                PmxStreamHelper.WriteElement_Int32(s, Weight[1].Bone, f.BoneSize);
                PmxStreamHelper.WriteElement_Float(s, Weight[0].Value);
                V3_BytesConvert.ToStream(s, C0);
                V3_BytesConvert.ToStream(s, R0);
                V3_BytesConvert.ToStream(s, R1);
                break;
            }
            PmxStreamHelper.WriteElement_Float(s, EdgeScale);
            if (f.WithID)
            {
                PmxStreamHelper.WriteElement_UInt(s, base.UID);
                PmxStreamHelper.WriteElement_UInt(s, base.CID);
            }
        }
        // Token: 0x06000282 RID: 642 RVA: 0x0001417C File Offset: 0x0001237C
        public void ToStreamEx(Stream s, PmxElementFormat f)
        {
            V3_BytesConvert.ToStream(s, this.Position);
            V3_BytesConvert.ToStream(s, this.Normal);
            V2_BytesConvert.ToStream(s, this.UV);
            for (int i = 0; i < f.UVACount; i++)
            {
                V4_BytesConvert.ToStream(s, this.UVA[i]);
            }
            bool flag = this.Deform == PmxVertex.DeformType.QDEF && f.Ver < 2.1f;

            if (flag)
            {
                s.WriteByte(2);
            }
            else
            {
                s.WriteByte((byte)this.Deform);
            }
            switch (this.Deform)
            {
            case PmxVertex.DeformType.BDEF1:
                PmxStreamHelper.WriteElement_Int32(s, this.Weight[0].Bone, f.BoneSize, true);
                break;

            case PmxVertex.DeformType.BDEF2:
                PmxStreamHelper.WriteElement_Int32(s, this.Weight[0].Bone, f.BoneSize, true);
                PmxStreamHelper.WriteElement_Int32(s, this.Weight[1].Bone, f.BoneSize, true);
                PmxStreamHelper.WriteElement_Float(s, this.Weight[0].Value);
                break;

            case PmxVertex.DeformType.BDEF4:
            case PmxVertex.DeformType.QDEF:
                PmxStreamHelper.WriteElement_Int32(s, this.Weight[0].Bone, f.BoneSize, true);
                PmxStreamHelper.WriteElement_Int32(s, this.Weight[1].Bone, f.BoneSize, true);
                PmxStreamHelper.WriteElement_Int32(s, this.Weight[2].Bone, f.BoneSize, true);
                PmxStreamHelper.WriteElement_Int32(s, this.Weight[3].Bone, f.BoneSize, true);
                PmxStreamHelper.WriteElement_Float(s, this.Weight[0].Value);
                PmxStreamHelper.WriteElement_Float(s, this.Weight[1].Value);
                PmxStreamHelper.WriteElement_Float(s, this.Weight[2].Value);
                PmxStreamHelper.WriteElement_Float(s, this.Weight[3].Value);
                break;

            case PmxVertex.DeformType.SDEF:
                PmxStreamHelper.WriteElement_Int32(s, this.Weight[0].Bone, f.BoneSize, true);
                PmxStreamHelper.WriteElement_Int32(s, this.Weight[1].Bone, f.BoneSize, true);
                PmxStreamHelper.WriteElement_Float(s, this.Weight[0].Value);
                V3_BytesConvert.ToStream(s, this.C0);
                V3_BytesConvert.ToStream(s, this.R0);
                V3_BytesConvert.ToStream(s, this.R1);
                break;
            }
            PmxStreamHelper.WriteElement_Float(s, this.EdgeScale);
        }