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Minecraft1.19.2Forge模组开发08.生物生成-创新互联

Minecraft 1.18.2 生物生成

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spaw.gif
效果演示 效果演示 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:

crk.jpg
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.SpawnPredicatepredicate;

      public Data(Heightmap.Types p_21771_, SpawnPlacements.Type p_21772_, SpawnPlacements.SpawnPredicatep_21773_) { this.heightMap = p_21771_;
         this.placement = p_21772_;
         this.predicate = p_21773_;
      }
   }

   @FunctionalInterface
   public interface SpawnPredicate{  boolean test(EntityTypep_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>predicate) {  throw new IllegalStateException("Enum not extended");
      }

      private net.minecraftforge.common.util.TriPredicate>predicate;
      private Type() {this(null); }
      private Type(net.minecraftforge.common.util.TriPredicate>predicate) {  this.predicate = predicate;
      }

      public boolean canSpawnAt(net.minecraft.world.level.LevelReader world, BlockPos pos, EntityTypetype) {  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);
      }
   }
}

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