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Base class piece

@EventHandler
public void preInit(FMLPreInitializationEvent event) {

	// Initialize the log helper
	LogHelper.init();

	// Load the localization files into the LanguageRegistry
	LocalizationHandler.loadLanguages();

	// Initialize the configuration
	ConfigurationHandler.init(new File(event.getModConfigurationDirectory()
			.getAbsolutePath()
			+ File.separator
			+ Reference.CHANNEL_NAME
			+ File.separator + Reference.MOD_ID + ".cfg"));

	// Register the Sound Handler (Client only)
	proxy.registerSoundHandler();

	// Initialize mod items
	ModItems.init();

	// Initialize mod stats
	new Stats(null).init();
}

Stats class

public class Stats {
    public double hpup;
    public static double hpmax;
    private Minecraft mc;
    public Stats(Minecraft mc)
    {
        super();
        this.mc = mc;
    }

    public void init()
    {
        hpmax = 300.0D;
        this.mc.thePlayer.func_110148_a(SharedMonsterAttributes.field_111267_a).func_111128_a(hpmax);
    }
    
    public void sethp()
    {
        hpup = hpmax / 100 * 10;
        hpmax = hpmax + hpup;
        if (hpmax > 9999)
        {
            hpmax = 9999.0D;
        }

        this.mc.thePlayer.func_110148_a(SharedMonsterAttributes.field_111267_a).func_111128_a(hpmax);
        this.mc.thePlayer.setHealth((float) hpmax);
    }
}

 

how can I fix this null pointer error when trying to call stats.init

Posted

Think about it- during the preInitialization phase of Minecraft, do you think a player exists? Nope. Not until a world is loading. You'll need to use an event handler and run this code when a new world is loading and the player has been created.

Posted

Think about it- during the preInitialization phase of Minecraft, do you think a player exists? Nope. Not until a world is loading. You'll need to use an event handler and run this code when a new world is loading and the player has been created.

thank you, I'm new to this so I'm still not the best

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