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POHow to use game states in a simple FPS in JAVA
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copied!<p>So for my computer programming minor project, we have to create a game in JAVA. They have given us a very simple engine-esque application which simply displays a 3D maze from a first person view through which the user can navigate. It's our job to make it a "full" fledged FPS with enemies. We use JAVA and OpenGL (JOGL)</p> <p>They have told us to use game states, but there was never a lecture about this and their answer was to google it. Well, what I googled is a tad bit too complicated to really grasp my head around, so I'll just ask specific questions with regards to the states.</p> <p>The game needs to have states for thing like pausing and the main menu. However, I also read that the player itself can also have states such as different firing modes.</p> <ol> <li><p>How would a UML diagram, or any diagram look like which includes a state class? Is it a hierarchical structure where the state class is on top? </p></li> <li><p>Are all states defined in a single state class? It's a simple game so we have: shooting, pausing, main menu, sprinting, ducking, health packs. (Maybe difficulties).</p></li> <li><p>If for example ESC is pressed, a method in UserInput will be fired. I assume that I somehow have to change the state of the game. This is kind of a sub question of question 1. What would be a clean way to change the state of the game? As in, how would I contact the state class?</p></li> </ol> <p>Are all of those states?</p> <p>Here is a UML diagram of what we have. <img src="https://i.stack.imgur.com/zcIre.png" alt="UML Diagram of the game"></p>

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