goon-game/app/src/main/java/com/projectsacrifice/game/OnboardingFlow.java

package com.projectsacrifice.game;

/** Small state machine for the optional, first-run gameplay hints. */
public final class OnboardingFlow {
    public enum Step {
        MOVEMENT,
        MULTITOUCH_JUMP,
        CORPSES_ARE_TOOLS
    }

    private Step step;
    private boolean complete;

    private OnboardingFlow(boolean complete) {
        this.complete = complete;
        step = Step.MOVEMENT;
    }

    public static OnboardingFlow firstRun(boolean alreadyComplete) {
        return new OnboardingFlow(alreadyComplete);
    }

    public boolean isVisible() {
        return !complete;
    }

    public boolean isComplete() {
        return complete;
    }

    public Step step() {
        return step;
    }

    public void next() {
        if (complete) return;
        if (step == Step.MOVEMENT) step = Step.MULTITOUCH_JUMP;
        else if (step == Step.MULTITOUCH_JUMP) step = Step.CORPSES_ARE_TOOLS;
        else complete = true;
    }

    public void skip() {
        complete = true;
    }
}