func buildVertexSafe(b *builder.Buffer, v *chunkVertex) {
b.Float(v.X)
b.Float(v.Y)
b.Float(v.Z)
b.UnsignedShort(v.TX)
b.UnsignedShort(v.TY)
b.UnsignedShort(v.TW)
b.UnsignedShort(v.TH)
b.Short(v.TOffsetX)
b.Short(v.TOffsetY)
b.Short(v.TAtlas)
b.Short(0)
b.UnsignedByte(v.R)
b.UnsignedByte(v.G)
b.UnsignedByte(v.B)
b.UnsignedByte(255)
b.UnsignedShort(v.BlockLight)
b.UnsignedShort(v.SkyLight)
b.UnsignedShort(0)
b.UnsignedShort(0)
}
// builder.Struct works by reflection which is to slow for this
// as its called so often.
func buildVertex(b *builder.Buffer, v *chunkVertex) {
b.Write((*[1 << 28]byte)(unsafe.Pointer(v))[:vertexSize])
}