minecraft-src/net/minecraft/world/level/block/NetherPortalBlock.java
2025-07-04 03:45:38 +03:00

276 lines
11 KiB
Java

package net.minecraft.world.level.block;
import com.mojang.logging.LogUtils;
import com.mojang.serialization.MapCodec;
import java.util.Map;
import java.util.Optional;
import net.minecraft.BlockUtil;
import net.minecraft.BlockUtil.FoundRectangle;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.core.particles.ParticleTypes;
import net.minecraft.resources.ResourceKey;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.sounds.SoundEvents;
import net.minecraft.sounds.SoundSource;
import net.minecraft.util.RandomSource;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntityDimensions;
import net.minecraft.world.entity.EntitySpawnReason;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.InsideBlockEffectApplier;
import net.minecraft.world.entity.Relative;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.BlockGetter;
import net.minecraft.world.level.GameRules;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.LevelReader;
import net.minecraft.world.level.ScheduledTickAccess;
import net.minecraft.world.level.block.Portal.Transition;
import net.minecraft.world.level.block.state.BlockBehaviour;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.StateDefinition.Builder;
import net.minecraft.world.level.block.state.properties.BlockStateProperties;
import net.minecraft.world.level.block.state.properties.EnumProperty;
import net.minecraft.world.level.border.WorldBorder;
import net.minecraft.world.level.dimension.DimensionType;
import net.minecraft.world.level.portal.PortalShape;
import net.minecraft.world.level.portal.TeleportTransition;
import net.minecraft.world.level.portal.TeleportTransition.PostTeleportTransition;
import net.minecraft.world.phys.Vec3;
import net.minecraft.world.phys.shapes.CollisionContext;
import net.minecraft.world.phys.shapes.Shapes;
import net.minecraft.world.phys.shapes.VoxelShape;
import org.jetbrains.annotations.Nullable;
import org.slf4j.Logger;
public class NetherPortalBlock extends Block implements Portal {
private static final Logger LOGGER = LogUtils.getLogger();
public static final MapCodec<NetherPortalBlock> CODEC = simpleCodec(NetherPortalBlock::new);
public static final EnumProperty<Direction.Axis> AXIS = BlockStateProperties.HORIZONTAL_AXIS;
private static final Map<Direction.Axis, VoxelShape> SHAPES = Shapes.rotateHorizontalAxis(Block.column(4.0, 16.0, 0.0, 16.0));
@Override
public MapCodec<NetherPortalBlock> codec() {
return CODEC;
}
public NetherPortalBlock(BlockBehaviour.Properties properties) {
super(properties);
this.registerDefaultState(this.stateDefinition.any().setValue(AXIS, Direction.Axis.X));
}
@Override
protected VoxelShape getShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) {
return (VoxelShape)SHAPES.get(state.getValue(AXIS));
}
@Override
protected VoxelShape getEntityInsideCollisionShape(BlockState state, BlockGetter level, BlockPos pos, Entity entity) {
return state.getShape(level, pos);
}
@Override
protected void randomTick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) {
if (level.dimensionType().natural()
&& level.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING)
&& random.nextInt(2000) < level.getDifficulty().getId()
&& level.anyPlayerCloseEnoughForSpawning(pos)) {
while (level.getBlockState(pos).is(this)) {
pos = pos.below();
}
if (level.getBlockState(pos).isValidSpawn(level, pos, EntityType.ZOMBIFIED_PIGLIN)) {
Entity entity = EntityType.ZOMBIFIED_PIGLIN.spawn(level, pos.above(), EntitySpawnReason.STRUCTURE);
if (entity != null) {
entity.setPortalCooldown();
Entity entity2 = entity.getVehicle();
if (entity2 != null) {
entity2.setPortalCooldown();
}
}
}
}
}
@Override
protected BlockState updateShape(
BlockState state,
LevelReader level,
ScheduledTickAccess scheduledTickAccess,
BlockPos pos,
Direction direction,
BlockPos neighborPos,
BlockState neighborState,
RandomSource random
) {
Direction.Axis axis = direction.getAxis();
Direction.Axis axis2 = state.getValue(AXIS);
boolean bl = axis2 != axis && axis.isHorizontal();
return !bl && !neighborState.is(this) && !PortalShape.findAnyShape(level, pos, axis2).isComplete()
? Blocks.AIR.defaultBlockState()
: super.updateShape(state, level, scheduledTickAccess, pos, direction, neighborPos, neighborState, random);
}
@Override
protected void entityInside(BlockState state, Level level, BlockPos pos, Entity entity, InsideBlockEffectApplier effectApplier) {
if (entity.canUsePortal(false)) {
entity.setAsInsidePortal(this, pos);
}
}
@Override
public int getPortalTransitionTime(ServerLevel level, Entity entity) {
return entity instanceof Player player
? Math.max(
0,
level.getGameRules()
.getInt(player.getAbilities().invulnerable ? GameRules.RULE_PLAYERS_NETHER_PORTAL_CREATIVE_DELAY : GameRules.RULE_PLAYERS_NETHER_PORTAL_DEFAULT_DELAY)
)
: 0;
}
@Nullable
@Override
public TeleportTransition getPortalDestination(ServerLevel level, Entity entity, BlockPos pos) {
ResourceKey<Level> resourceKey = level.dimension() == Level.NETHER ? Level.OVERWORLD : Level.NETHER;
ServerLevel serverLevel = level.getServer().getLevel(resourceKey);
if (serverLevel == null) {
return null;
} else {
boolean bl = serverLevel.dimension() == Level.NETHER;
WorldBorder worldBorder = serverLevel.getWorldBorder();
double d = DimensionType.getTeleportationScale(level.dimensionType(), serverLevel.dimensionType());
BlockPos blockPos = worldBorder.clampToBounds(entity.getX() * d, entity.getY(), entity.getZ() * d);
return this.getExitPortal(serverLevel, entity, pos, blockPos, bl, worldBorder);
}
}
@Nullable
private TeleportTransition getExitPortal(ServerLevel level, Entity entity, BlockPos pos, BlockPos exitPos, boolean isNether, WorldBorder worldBorder) {
Optional<BlockPos> optional = level.getPortalForcer().findClosestPortalPosition(exitPos, isNether, worldBorder);
FoundRectangle foundRectangle;
PostTeleportTransition postTeleportTransition;
if (optional.isPresent()) {
BlockPos blockPos = (BlockPos)optional.get();
BlockState blockState = level.getBlockState(blockPos);
foundRectangle = BlockUtil.getLargestRectangleAround(
blockPos, blockState.getValue(BlockStateProperties.HORIZONTAL_AXIS), 21, Direction.Axis.Y, 21, blockPosx -> level.getBlockState(blockPosx) == blockState
);
postTeleportTransition = TeleportTransition.PLAY_PORTAL_SOUND.then(entityx -> entityx.placePortalTicket(blockPos));
} else {
Direction.Axis axis = (Direction.Axis)entity.level().getBlockState(pos).getOptionalValue(AXIS).orElse(Direction.Axis.X);
Optional<FoundRectangle> optional2 = level.getPortalForcer().createPortal(exitPos, axis);
if (optional2.isEmpty()) {
LOGGER.error("Unable to create a portal, likely target out of worldborder");
return null;
}
foundRectangle = (FoundRectangle)optional2.get();
postTeleportTransition = TeleportTransition.PLAY_PORTAL_SOUND.then(TeleportTransition.PLACE_PORTAL_TICKET);
}
return getDimensionTransitionFromExit(entity, pos, foundRectangle, level, postTeleportTransition);
}
private static TeleportTransition getDimensionTransitionFromExit(
Entity entity, BlockPos pos, FoundRectangle rectangle, ServerLevel level, PostTeleportTransition postTeleportTransition
) {
BlockState blockState = entity.level().getBlockState(pos);
Direction.Axis axis;
Vec3 vec3;
if (blockState.hasProperty(BlockStateProperties.HORIZONTAL_AXIS)) {
axis = blockState.getValue(BlockStateProperties.HORIZONTAL_AXIS);
FoundRectangle foundRectangle = BlockUtil.getLargestRectangleAround(
pos, axis, 21, Direction.Axis.Y, 21, blockPos -> entity.level().getBlockState(blockPos) == blockState
);
vec3 = entity.getRelativePortalPosition(axis, foundRectangle);
} else {
axis = Direction.Axis.X;
vec3 = new Vec3(0.5, 0.0, 0.0);
}
return createDimensionTransition(level, rectangle, axis, vec3, entity, postTeleportTransition);
}
private static TeleportTransition createDimensionTransition(
ServerLevel level, FoundRectangle rectangle, Direction.Axis axis, Vec3 offset, Entity entity, PostTeleportTransition postTeleportTransition
) {
BlockPos blockPos = rectangle.minCorner;
BlockState blockState = level.getBlockState(blockPos);
Direction.Axis axis2 = (Direction.Axis)blockState.getOptionalValue(BlockStateProperties.HORIZONTAL_AXIS).orElse(Direction.Axis.X);
double d = rectangle.axis1Size;
double e = rectangle.axis2Size;
EntityDimensions entityDimensions = entity.getDimensions(entity.getPose());
int i = axis == axis2 ? 0 : 90;
double f = entityDimensions.width() / 2.0 + (d - entityDimensions.width()) * offset.x();
double g = (e - entityDimensions.height()) * offset.y();
double h = 0.5 + offset.z();
boolean bl = axis2 == Direction.Axis.X;
Vec3 vec3 = new Vec3(blockPos.getX() + (bl ? f : h), blockPos.getY() + g, blockPos.getZ() + (bl ? h : f));
Vec3 vec32 = PortalShape.findCollisionFreePosition(vec3, level, entity, entityDimensions);
return new TeleportTransition(level, vec32, Vec3.ZERO, i, 0.0F, Relative.union(Relative.DELTA, Relative.ROTATION), postTeleportTransition);
}
@Override
public Transition getLocalTransition() {
return Transition.CONFUSION;
}
@Override
public void animateTick(BlockState state, Level level, BlockPos pos, RandomSource random) {
if (random.nextInt(100) == 0) {
level.playLocalSound(
pos.getX() + 0.5, pos.getY() + 0.5, pos.getZ() + 0.5, SoundEvents.PORTAL_AMBIENT, SoundSource.BLOCKS, 0.5F, random.nextFloat() * 0.4F + 0.8F, false
);
}
for (int i = 0; i < 4; i++) {
double d = pos.getX() + random.nextDouble();
double e = pos.getY() + random.nextDouble();
double f = pos.getZ() + random.nextDouble();
double g = (random.nextFloat() - 0.5) * 0.5;
double h = (random.nextFloat() - 0.5) * 0.5;
double j = (random.nextFloat() - 0.5) * 0.5;
int k = random.nextInt(2) * 2 - 1;
if (!level.getBlockState(pos.west()).is(this) && !level.getBlockState(pos.east()).is(this)) {
d = pos.getX() + 0.5 + 0.25 * k;
g = random.nextFloat() * 2.0F * k;
} else {
f = pos.getZ() + 0.5 + 0.25 * k;
j = random.nextFloat() * 2.0F * k;
}
level.addParticle(ParticleTypes.PORTAL, d, e, f, g, h, j);
}
}
@Override
protected ItemStack getCloneItemStack(LevelReader level, BlockPos pos, BlockState state, boolean includeData) {
return ItemStack.EMPTY;
}
@Override
protected BlockState rotate(BlockState state, Rotation rotation) {
switch (rotation) {
case COUNTERCLOCKWISE_90:
case CLOCKWISE_90:
switch ((Direction.Axis)state.getValue(AXIS)) {
case X:
return state.setValue(AXIS, Direction.Axis.Z);
case Z:
return state.setValue(AXIS, Direction.Axis.X);
default:
return state;
}
default:
return state;
}
}
@Override
protected void createBlockStateDefinition(Builder<Block, BlockState> builder) {
builder.add(AXIS);
}
}