Minecraft 1.19.2 Forge模组开发 08.生物生成

Jay_fearless

已于 2022-12-21 14:18:26 修改

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分类专栏：我的世界文章标签： java 开发语言 minecraft

于 2022-12-21 12:10:52 首次发布

本文链接：https://blog.youkuaiyun.com/Jay_fearless/article/details/128395459

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这篇教程介绍了如何在Minecraft 1.19版本中通过添加模组和配置数据包，来实现新生物的生成规则。主要步骤包括在主类中监听并设置生物生成规则，以及创建数据包内的生物生成文件，定义生物的生成位置、权重和其他参数。示例中展示了两种生物的生成规则，并提供了MC1.19原版生物生成规则的部分代码作为参考。

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Minecraft 1.18.2 生物生成

我们今天尝试在1.19中生成模组中的生物

$效果演示$

1.在你的项目主类中的`commonSetup`方法中添加模组中生物的生成规则(可参考文末MC源码)，同时在主类中对commonSetup进行监听：

Main.java


    public Main()
    {
        IEventBus bus = FMLJavaModLoadingContext.get().getModEventBus();
        ModLoadingContext.get().registerConfig(ModConfig.Type.CLIENT, ModConfigs.clientConfig);

        //添加对commonSetup的监听
        bus.addListener(this::commonSetup);


        MinecraftForge.EVENT_BUS.register(this);
    }

    private void commonSetup(final FMLCommonSetupEvent event)
    {
        
        event.enqueueWork(() -> {
            //生物1的生成规则
            SpawnPlacements.register(EntityInit.SAMCA.get(),
                    SpawnPlacements.Type.NO_RESTRICTIONS, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES,
                    Monster::checkMonsterSpawnRules);
            
            //生物2的生成规则
            SpawnPlacements.register(EntityInit.KNIGHT.get(),
                    SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES,
                    Monster::checkMobSpawnRules);            
            
        });
    }

2.来到数据包中，在`data/你的modid`路径下新建一个forge包-> forge包中新建一个biome_modifier包，biome_modifier包中新建一个生物生成文件`spawn_samaca.json`:

spawn_samaca.json

{
  "type": "forge:add_spawns",
  //允许我们的生物生成在哪个地方
  "biomes": [
    "minecraft:desert",
    "minecraft:plains"
  ],
  "spawners": {
    //模组中哪个生物
    "type": "re8joymod:samca",
    //生成权重
    "weight": 50,
    //一次最少可生成几只
    "minCount": 1,
    //最多生成几只
    "maxCount": 3
  }
}

保存文件，运行游戏。

如果你可以在对应的地形中找到你的生物就可以了！

MC 1.19原版所有生物的生成规则部分代码：

SpawnPlacements.class

public class SpawnPlacements {
   //生物生成规则部分
   static {
      register(EntityType.AXOLOTL, SpawnPlacements.Type.IN_WATER, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Axolotl::checkAxolotlSpawnRules);
      register(EntityType.COD, SpawnPlacements.Type.IN_WATER, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, WaterAnimal::checkSurfaceWaterAnimalSpawnRules);
      register(EntityType.DOLPHIN, SpawnPlacements.Type.IN_WATER, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, WaterAnimal::checkSurfaceWaterAnimalSpawnRules);
      register(EntityType.DROWNED, SpawnPlacements.Type.IN_WATER, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Drowned::checkDrownedSpawnRules);
      register(EntityType.GUARDIAN, SpawnPlacements.Type.IN_WATER, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Guardian::checkGuardianSpawnRules);
      register(EntityType.PUFFERFISH, SpawnPlacements.Type.IN_WATER, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, WaterAnimal::checkSurfaceWaterAnimalSpawnRules);
      register(EntityType.SALMON, SpawnPlacements.Type.IN_WATER, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, WaterAnimal::checkSurfaceWaterAnimalSpawnRules);
      register(EntityType.SQUID, SpawnPlacements.Type.IN_WATER, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, WaterAnimal::checkSurfaceWaterAnimalSpawnRules);
      register(EntityType.TROPICAL_FISH, SpawnPlacements.Type.IN_WATER, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, TropicalFish::checkTropicalFishSpawnRules);
      register(EntityType.BAT, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Bat::checkBatSpawnRules);
      register(EntityType.BLAZE, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkAnyLightMonsterSpawnRules);
      register(EntityType.CAVE_SPIDER, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkMonsterSpawnRules);
      register(EntityType.CHICKEN, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Animal::checkAnimalSpawnRules);
      register(EntityType.COW, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Animal::checkAnimalSpawnRules);
      register(EntityType.CREEPER, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkMonsterSpawnRules);
      register(EntityType.DONKEY, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Animal::checkAnimalSpawnRules);
      register(EntityType.ENDERMAN, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkMonsterSpawnRules);
      register(EntityType.ENDERMITE, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Endermite::checkEndermiteSpawnRules);
      register(EntityType.ENDER_DRAGON, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Mob::checkMobSpawnRules);
      register(EntityType.FROG, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Frog::checkFrogSpawnRules);
      register(EntityType.GHAST, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Ghast::checkGhastSpawnRules);
      register(EntityType.GIANT, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkMonsterSpawnRules);
      register(EntityType.GLOW_SQUID, SpawnPlacements.Type.IN_WATER, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, GlowSquid::checkGlowSquideSpawnRules);
      register(EntityType.GOAT, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Goat::checkGoatSpawnRules);
      register(EntityType.HORSE, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Animal::checkAnimalSpawnRules);
      register(EntityType.HUSK, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Husk::checkHuskSpawnRules);
      register(EntityType.IRON_GOLEM, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Mob::checkMobSpawnRules);
      register(EntityType.LLAMA, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Animal::checkAnimalSpawnRules);
      register(EntityType.MAGMA_CUBE, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, MagmaCube::checkMagmaCubeSpawnRules);
      register(EntityType.MOOSHROOM, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, MushroomCow::checkMushroomSpawnRules);
      register(EntityType.MULE, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Animal::checkAnimalSpawnRules);
      register(EntityType.OCELOT, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING, Ocelot::checkOcelotSpawnRules);
      register(EntityType.PARROT, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING, Parrot::checkParrotSpawnRules);
      register(EntityType.PIG, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Animal::checkAnimalSpawnRules);
      register(EntityType.HOGLIN, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Hoglin::checkHoglinSpawnRules);
      register(EntityType.PIGLIN, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Piglin::checkPiglinSpawnRules);
      register(EntityType.PILLAGER, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, PatrollingMonster::checkPatrollingMonsterSpawnRules);
      register(EntityType.POLAR_BEAR, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, PolarBear::checkPolarBearSpawnRules);
      register(EntityType.RABBIT, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Rabbit::checkRabbitSpawnRules);
      register(EntityType.SHEEP, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Animal::checkAnimalSpawnRules);
      register(EntityType.SILVERFISH, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Silverfish::checkSilverfishSpawnRules);
      register(EntityType.SKELETON, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkMonsterSpawnRules);
      register(EntityType.SKELETON_HORSE, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Animal::checkAnimalSpawnRules);
      register(EntityType.SLIME, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Slime::checkSlimeSpawnRules);
      register(EntityType.SNOW_GOLEM, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Mob::checkMobSpawnRules);
      register(EntityType.SPIDER, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkMonsterSpawnRules);
      register(EntityType.STRAY, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Stray::checkStraySpawnRules);
      register(EntityType.STRIDER, SpawnPlacements.Type.IN_LAVA, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Strider::checkStriderSpawnRules);
      register(EntityType.TURTLE, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Turtle::checkTurtleSpawnRules);
      register(EntityType.VILLAGER, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Mob::checkMobSpawnRules);
      register(EntityType.WITCH, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkMonsterSpawnRules);
      register(EntityType.WITHER, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkMonsterSpawnRules);
      register(EntityType.WITHER_SKELETON, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkMonsterSpawnRules);
      register(EntityType.WOLF, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Wolf::checkWolfSpawnRules);
      register(EntityType.ZOMBIE, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkMonsterSpawnRules);
      register(EntityType.ZOMBIE_HORSE, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Animal::checkAnimalSpawnRules);
      register(EntityType.ZOMBIFIED_PIGLIN, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, ZombifiedPiglin::checkZombifiedPiglinSpawnRules);
      register(EntityType.ZOMBIE_VILLAGER, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkMonsterSpawnRules);
      register(EntityType.CAT, SpawnPlacements.Type.ON_GROUND, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Animal::checkAnimalSpawnRules);
      register(EntityType.ELDER_GUARDIAN, SpawnPlacements.Type.IN_WATER, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Guardian::checkGuardianSpawnRules);
      register(EntityType.EVOKER, SpawnPlacements.Type.NO_RESTRICTIONS, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkMonsterSpawnRules);
      register(EntityType.FOX, SpawnPlacements.Type.NO_RESTRICTIONS, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Fox::checkFoxSpawnRules);
      register(EntityType.ILLUSIONER, SpawnPlacements.Type.NO_RESTRICTIONS, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkMonsterSpawnRules);
      register(EntityType.PANDA, SpawnPlacements.Type.NO_RESTRICTIONS, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Animal::checkAnimalSpawnRules);
      register(EntityType.PHANTOM, SpawnPlacements.Type.NO_RESTRICTIONS, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Mob::checkMobSpawnRules);
      register(EntityType.RAVAGER, SpawnPlacements.Type.NO_RESTRICTIONS, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkMonsterSpawnRules);
      register(EntityType.SHULKER, SpawnPlacements.Type.NO_RESTRICTIONS, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Mob::checkMobSpawnRules);
      register(EntityType.TRADER_LLAMA, SpawnPlacements.Type.NO_RESTRICTIONS, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Animal::checkAnimalSpawnRules);
      register(EntityType.VEX, SpawnPlacements.Type.NO_RESTRICTIONS, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkMonsterSpawnRules);
      register(EntityType.VINDICATOR, SpawnPlacements.Type.NO_RESTRICTIONS, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Monster::checkMonsterSpawnRules);
      register(EntityType.WANDERING_TRADER, SpawnPlacements.Type.NO_RESTRICTIONS, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Mob::checkMobSpawnRules);
      register(EntityType.WARDEN, SpawnPlacements.Type.NO_RESTRICTIONS, Heightmap.Types.MOTION_BLOCKING_NO_LEAVES, Mob::checkMobSpawnRules);
   }

   static class Data {
      final Heightmap.Types heightMap;
      final SpawnPlacements.Type placement;
      final SpawnPlacements.SpawnPredicate<?> predicate;

      public Data(Heightmap.Types p_21771_, SpawnPlacements.Type p_21772_, SpawnPlacements.SpawnPredicate<?> p_21773_) {
         this.heightMap = p_21771_;
         this.placement = p_21772_;
         this.predicate = p_21773_;
      }
   }

   @FunctionalInterface
   public interface SpawnPredicate<T extends Entity> {
      boolean test(EntityType<T> p_217081_, ServerLevelAccessor p_217082_, MobSpawnType p_217083_, BlockPos p_217084_, RandomSource p_217085_);
   }

   public static enum Type implements net.minecraftforge.common.IExtensibleEnum {
      ON_GROUND,
      IN_WATER,
      NO_RESTRICTIONS,
      IN_LAVA;

      public static Type create(String name, net.minecraftforge.common.util.TriPredicate<net.minecraft.world.level.LevelReader, BlockPos, EntityType<? extends Mob>> predicate) {
          throw new IllegalStateException("Enum not extended");
      }

      private net.minecraftforge.common.util.TriPredicate<net.minecraft.world.level.LevelReader, BlockPos, EntityType<?>> predicate;
      private Type() { this(null); }
      private Type(net.minecraftforge.common.util.TriPredicate<net.minecraft.world.level.LevelReader, BlockPos, EntityType<?>> predicate) {
          this.predicate = predicate;
      }

      public boolean canSpawnAt(net.minecraft.world.level.LevelReader world, BlockPos pos, EntityType<?> type) {
          if (this == NO_RESTRICTIONS) return true;
          if (predicate == null) return net.minecraft.world.level.NaturalSpawner.canSpawnAtBody(this, world, pos, type);
          return predicate.test(world, pos, type);
      }
   }
}