Add example usage for configs to the MDK (#9596)

Demonstrates proper usage of different config value types, validation, transformation/parsing, load/reload handling and direct field access.
This commit is contained in:
Paint_Ninja 2023-06-27 12:57:20 +01:00 committed by GitHub
parent 7e52cbf56a
commit 6d6d2a3732
2 changed files with 76 additions and 1 deletions

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@ -0,0 +1,64 @@
package com.example.examplemod;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.world.item.Item;
import net.minecraftforge.common.ForgeConfigSpec;
import net.minecraftforge.eventbus.api.SubscribeEvent;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.event.config.ModConfigEvent;
import net.minecraftforge.registries.ForgeRegistries;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
// An example config class. This is not required, but it's a good idea to have one to keep your config organized.
// Demonstrates how to use Forge's config APIs
@Mod.EventBusSubscriber(modid = ExampleMod.MODID, bus = Mod.EventBusSubscriber.Bus.MOD)
public class Config
{
private static final ForgeConfigSpec.Builder BUILDER = new ForgeConfigSpec.Builder();
private static final ForgeConfigSpec.BooleanValue LOG_DIRT_BLOCK = BUILDER
.comment("Whether to log the dirt block on common setup")
.define("logDirtBlock", true);
private static final ForgeConfigSpec.IntValue MAGIC_NUMBER = BUILDER
.comment("A magic number")
.defineInRange("magicNumber", 42, 0, Integer.MAX_VALUE);
public static final ForgeConfigSpec.ConfigValue<String> MAGIC_NUMBER_INTRODUCTION = BUILDER
.comment("What you want the introduction message to be for the magic number")
.define("magicNumberIntroduction", "The magic number is... ");
// a list of strings that are treated as resource locations for items
private static final ForgeConfigSpec.ConfigValue<List<? extends String>> ITEM_STRINGS = BUILDER
.comment("A list of items to log on common setup.")
.defineListAllowEmpty(Collections.singletonList("items"), () -> List.of("minecraft:iron_ingot"), Config::validateItemName);
static final ForgeConfigSpec SPEC = BUILDER.build();
public static boolean logDirtBlock;
public static int magicNumber;
public static String magicNumberIntroduction;
public static Set<Item> items;
private static boolean validateItemName(final Object obj)
{
return obj instanceof final String itemName && ForgeRegistries.ITEMS.containsKey(new ResourceLocation(itemName));
}
@SubscribeEvent
static void onLoad(final ModConfigEvent event)
{
logDirtBlock = LOG_DIRT_BLOCK.get();
magicNumber = MAGIC_NUMBER.get();
magicNumberIntroduction = MAGIC_NUMBER_INTRODUCTION.get();
// convert the list of strings into a set of items
items = ITEM_STRINGS.get().stream()
.map(itemName -> ForgeRegistries.ITEMS.getValue(new ResourceLocation(itemName)))
.collect(Collectors.toSet());
}
}

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@ -18,7 +18,9 @@ import net.minecraftforge.event.BuildCreativeModeTabContentsEvent;
import net.minecraftforge.event.server.ServerStartingEvent;
import net.minecraftforge.eventbus.api.IEventBus;
import net.minecraftforge.eventbus.api.SubscribeEvent;
import net.minecraftforge.fml.ModLoadingContext;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.config.ModConfig;
import net.minecraftforge.fml.event.lifecycle.FMLClientSetupEvent;
import net.minecraftforge.fml.event.lifecycle.FMLCommonSetupEvent;
import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
@ -78,13 +80,22 @@ public class ExampleMod
// Register the item to a creative tab
modEventBus.addListener(this::addCreative);
// Register our mod's ForgeConfigSpec so that Forge can create and load the config file for us
ModLoadingContext.get().registerConfig(ModConfig.Type.COMMON, Config.SPEC);
}
private void commonSetup(final FMLCommonSetupEvent event)
{
// Some common setup code
LOGGER.info("HELLO FROM COMMON SETUP");
LOGGER.info("DIRT BLOCK >> {}", ForgeRegistries.BLOCKS.getKey(Blocks.DIRT));
if (Config.logDirtBlock)
LOGGER.info("DIRT BLOCK >> {}", ForgeRegistries.BLOCKS.getKey(Blocks.DIRT));
LOGGER.info(Config.magicNumberIntroduction + Config.magicNumber);
Config.items.forEach((item) -> LOGGER.info("ITEM >> {}", item.toString()));
}
// Add the example block item to the building blocks tab