Examples with IEventBus net.minecraftforge.eventbus.api.IEventBus used on opensource projects

Example 1 with IEventBus

use of net.minecraftforge.eventbus.api.IEventBus in project MinecraftForge by MinecraftForge.

the class LazyCapabilitiesOnItemsTest method onCommonSetup.

private void onCommonSetup(FMLCommonSetupEvent event) {
    try {
        final Field supportsFlagField = CapabilityProvider.class.getDeclaredField("SUPPORTS_LAZY_CAPABILITIES");
        supportsFlagField.setAccessible(true);
        supportsFlagField.set(null, false);
        final Stopwatch timer = Stopwatch.createUnstarted();
        final IEventBus bus = MinecraftForge.EVENT_BUS;
        final ResourceLocation testCapId = new ResourceLocation(MOD_ID, "test");
        final Consumer<AttachCapabilitiesEvent<ItemStack>> capAttachmentHandler = e -> {
            // Example capability we make everything a bucket :D
            e.addCapability(testCapId, new FluidHandlerItemStackSimple(e.getObject(), SAMPLE_SIZE));
        };
        // Warmup:
        for (int i = 0; i < (SAMPLE_SIZE); i++) {
            WARMUP_RESULTS.add(new ItemStack(Items.WATER_BUCKET));
        }
        // /First test: SAMPLE_SIZE itemstacks which do not have a capability attached.
        timer.start();
        for (int i = 0; i < SAMPLE_SIZE; i++) {
            NO_CAPS_DISABLED_RESULTS.add(new ItemStack(Items.WATER_BUCKET));
        }
        timer.stop();
        final long simpleNoCapsLazyDisabledElapsed = timer.elapsed(TimeUnit.MICROSECONDS);
        timer.reset();
        // /Second test: SAMPLE_SIZE itemstacks with a capability attached.
        bus.addGenericListener(ItemStack.class, capAttachmentHandler);
        // Warmup:
        for (int i = 0; i < (SAMPLE_SIZE); i++) {
            WARMUP_RESULTS.add(new ItemStack(Items.WATER_BUCKET));
        }
        timer.start();
        for (int i = 0; i < SAMPLE_SIZE; i++) {
            WITH_CAPS_DISABLED_RESULTS.add(new ItemStack(Items.WATER_BUCKET));
        }
        timer.stop();
        final long withCapsLazyDisabledElapsed = timer.elapsed(TimeUnit.MICROSECONDS);
        timer.reset();
        bus.unregister(capAttachmentHandler);
        // /Third test: SAMPLE_SIZE itemstacks which do not have a capability attached.
        supportsFlagField.set(null, true);
        // Warmup:
        for (int i = 0; i < (SAMPLE_SIZE); i++) {
            WARMUP_RESULTS.add(new ItemStack(Items.WATER_BUCKET));
        }
        timer.start();
        for (int i = 0; i < SAMPLE_SIZE; i++) {
            NO_CAPS_ENABLED_RESULTS.add(new ItemStack(Items.WATER_BUCKET));
        }
        timer.stop();
        final long simpleNoCapsLazyEnabledElapsed = timer.elapsed(TimeUnit.MICROSECONDS);
        timer.reset();
        // /Fourth test: SAMPLE_SIZE itemstacks with a capability attached.
        bus.addGenericListener(ItemStack.class, capAttachmentHandler);
        // Warmup:
        for (int i = 0; i < (SAMPLE_SIZE); i++) {
            WARMUP_RESULTS.add(new ItemStack(Items.WATER_BUCKET));
        }
        timer.start();
        for (int i = 0; i < SAMPLE_SIZE; i++) {
            WITH_CAPS_ENABLED_RESULTS.add(new ItemStack(Items.WATER_BUCKET));
        }
        timer.stop();
        final long withCapsLazyEnabledElapsed = timer.elapsed(TimeUnit.MICROSECONDS);
        timer.reset();
        bus.unregister(capAttachmentHandler);
        TextTable table = new TextTable(Lists.newArrayList(column("Test type", TextTable.Alignment.LEFT), column("Total time", TextTable.Alignment.CENTER)));
        table.add("Lazy: Disabled / Caps: None", simpleNoCapsLazyDisabledElapsed + " ms.");
        table.add("Lazy: Disabled / Caps: One", withCapsLazyDisabledElapsed + " ms.");
        table.add("Lazy: Enabled  / Caps: None", simpleNoCapsLazyEnabledElapsed + " ms.");
        table.add("Lazy: Enabled  / Caps: One", withCapsLazyEnabledElapsed + " ms.");
        final String[] resultData = table.build("\n").split("\n");
        for (final String line : resultData) {
            LOGGER.warn(line);
        }
    } catch (NoSuchFieldException | IllegalAccessException e) {
        LOGGER.error("Failed to run capabilities on items test!");
        throw new IllegalStateException(e);
    }
}