Minecraft 街霸大乱斗实现文档

public static final RegistryObject<EntityType<DracheBoss>> DRACHE_BOSS =
    ENTITY_TYPES.register("drache_block", () ->
        EntityType.Builder.of(DracheBoss::new, MobCategory.MONSTER)
            .sized(2.4F, 3.35F)
            .clientTrackingRange(12)
            .fireImmune()
            .build(new ResourceLocation(MODID, "drache_block").toString()));

public static final RegistryObject<Item> DRACHE_BOSS_SPAWN_EGG =
    ITEMS.register("drache_block_spawn_egg",
        () -> new ForgeSpawnEggItem(DRACHE_BOSS, 0xF0A018, 0x2F8F2D, new Item.Properties()));

public class DracheBlock extends Block {
    @Override
    public void setPlacedBy(Level level, BlockPos pos, BlockState state,
                            LivingEntity placer, ItemStack stack) {
        super.setPlacedBy(level, pos, state, placer, stack);
        if (!(level instanceof ServerLevel serverLevel)) {
            return;
        }

        DracheBoss boss = ExampleMod.DRACHE_BOSS.get().create(serverLevel);
        if (boss == null) {
            return;
        }

        float yaw = placer == null ? 0.0F : placer.getYRot() + 180.0F;
        boss.moveTo(pos.getX() + 0.5D, pos.getY(), pos.getZ() + 0.5D, yaw, 0.0F);
        serverLevel.addFreshEntity(boss);
        serverLevel.removeBlock(pos, false);
    }
}

private static int startBrawl(CommandSourceStack source) {
    ServerPlayer player = source.getPlayerOrException();
    ServerLevel level = player.serverLevel();
    BlockPos center = arenaCenter(player);
    buildArena(level, center);

    DracheBoss drache = spawnMob(ExampleMod.DRACHE_BOSS.get().create(level), level, center.offset(-10, 1, 0), 90.0F, "KOOPA KING");
    Mario mario = spawnMob(ExampleMod.MARIO.get().create(level), level, center.offset(10, 1, 0), -90.0F, "MARIO");
    MyZombie myZombie = spawnMob(ExampleMod.MY_ZOMBIE.get().create(level), level, center.offset(-3, 1, 5), 25.0F, "MYZOMBIE");
    BloodMoonReaper reaper = spawnMob(ExampleMod.BLOOD_MOON_REAPER.get().create(level), level, center.offset(4, 1, -5), -150.0F, "BLOOD MOON REAPER");

    tuneArenaFighter(drache, 720.0D);
    tuneArenaFighter(mario, 120.0D);
    tuneArenaFighter(myZombie, 360.0D);
    tuneArenaFighter(reaper, 520.0D);
    reaper.setStreetFighterNoPlayerDizzy(true);

    drache.setTarget(mario);
    mario.setTarget(drache);
    myZombie.setTarget(reaper);
    reaper.setTarget(myZombie);
    return 1;
}

private static final String STREET_FIGHTER_NO_PLAYER_DIZZY_TAG =
    "StreetFighterNoPlayerDizzy";

public void setStreetFighterNoPlayerDizzy(boolean value) {
    this.getPersistentData().putBoolean(STREET_FIGHTER_NO_PLAYER_DIZZY_TAG, value);
}

private boolean suppressesPlayerDizzy() {
    return this.getPersistentData().getBoolean(STREET_FIGHTER_NO_PLAYER_DIZZY_TAG);
}

private void tickGaze() {
    if (this.suppressesPlayerDizzy() || !(this.level() instanceof ServerLevel serverLevel)) {
        return;
    }
    // 普通 BloodMoonReaper 仍然保留凝视技能。
}

float speed = Mth.clamp((float) entity.getDeltaMovement().horizontalDistance() * 5.0F, 0.0F, 1.0F);
float walkTime = entity.tickCount + partialTick;
float walkSwing = Mth.sin(walkTime * (0.36F + speed * 0.38F)) * speed;
float walkBounce = Mth.abs(Mth.sin(walkTime * (0.72F + speed * 0.5F))) * 0.06F * speed;
float verticalMotion = (float) entity.getDeltaMovement().y;
boolean airborne = !entity.onGround();
float jumpStretch = airborne ? Mth.clamp(verticalMotion * 0.18F, -0.1F, 0.13F) : 0.0F;

poseStack.translate(0.0D, 0.02D + walkBounce, 0.0D);
poseStack.mulPose(Axis.ZP.rotationDegrees(walkSwing * 4.5F));
poseStack.scale(scale * squashXz, scale * stretchY, scale * squashXz);

private void paintFireballTrail(ServerLevel serverLevel, Vec3 origin,
                                Vec3 direction, boolean starPowered) {
    DustParticleOptions dust = starPowered ? STAR_FIREBALL_DUST : FIREBALL_DUST;
    for (int i = 0; i < 18; i++) {
        double distance = 0.35D + i * 0.42D;
        double swirl = (this.tickCount + i) * 0.72D;
        Vec3 ring = side.scale(Mth.cos((float) swirl) * 0.18D)
            .add(0.0D, Mth.sin((float) swirl) * 0.18D, 0.0D);
        Vec3 point = origin.add(direction.scale(distance)).add(ring);
        serverLevel.sendParticles(dust, point.x, point.y, point.z, 2, 0.035D, 0.035D, 0.035D, 0.0D);
        serverLevel.sendParticles(ParticleTypes.END_ROD, point.x, point.y, point.z, 1, 0.02D, 0.02D, 0.02D, 0.01D);
    }
    serverLevel.sendParticles(ParticleTypes.FLASH, origin.x, origin.y, origin.z, 1, 0, 0, 0, 0);
}