Show HN: Space Invaders (more or less)

This is a Space Invaders clone I've been working on for the better part of a year, as i've been teaching myself some basic game development stuff with C++ and SDL2, such as dealing with pointers, spritesheets, fonts, entity-component frameworks, states, etc. The actual game itself is rudimentary but I thought was far enough along to get feedback on. Keyboard and controller are supported, but my controller didn't return all of the button states and I don't know why (SO question here getting no love:https://stackoverflow.com/questions/33974828/sdl-gamecontrol...)

It's set up to compile using Visual Studio through a batch file on Windows, because after seeing Casey Muratori set a project up that way on Handmade Hero, I tried it with an SDL project on Windows and it worked. There's no makefile, sorry. I should also apologize in advance for the quality of the code - it's not well documented or anything.

This is basically what it looks like: https://www.youtube.com/watch?v=H9hwWUDT9f8

I hope someone has fun with it. Bad as it is, I certainly had fun making it.