Add support for iris 1.4.
支持Iris 1.4。
Fix the rendering issue of Contraptions on linear/radial chasis.
修复了linear/radial上Contraptions的渲染问题。
Fix the issue of rendering Create entities on top of solid blocks in Oculus. (Didn't fixed completely. There are still rendering issues with moving contraptions.)
修复Oculus中在实体块上渲染机械动力实体的问题。(没有完全修复。动态结构仍有渲染问题)。不知道为什么是Oculus