Examples with IMixinLocation org.spongepowered.common.interfaces.world.IMixinLocation used on opensource projects

Example 11 with IMixinLocation

use of org.spongepowered.common.interfaces.world.IMixinLocation in project SpongeCommon by SpongePowered.

the class ExplosionState method processBlockCaptures.

@SuppressWarnings({ "unchecked" })
private void processBlockCaptures(List<BlockSnapshot> snapshots, Explosion explosion, PhaseContext<?> context) {
    if (snapshots.isEmpty()) {
        return;
    }
    ImmutableList<Transaction<BlockSnapshot>>[] transactionArrays = new ImmutableList[TrackingUtil.EVENT_COUNT];
    ImmutableList.Builder<Transaction<BlockSnapshot>>[] transactionBuilders = new ImmutableList.Builder[TrackingUtil.EVENT_COUNT];
    for (int i = 0; i < TrackingUtil.EVENT_COUNT; i++) {
        transactionBuilders[i] = new ImmutableList.Builder<>();
    }
    final List<ChangeBlockEvent> blockEvents = new ArrayList<>();
    for (BlockSnapshot snapshot : snapshots) {
        // This processes each snapshot to assign them to the correct event in the next area, with the
        // correct builder array entry.
        TrackingUtil.TRANSACTION_PROCESSOR.apply(transactionBuilders).accept(TrackingUtil.TRANSACTION_CREATION.apply(snapshot));
    }
    for (int i = 0; i < TrackingUtil.EVENT_COUNT; i++) {
        // Build each event array
        transactionArrays[i] = transactionBuilders[i].build();
    }
    // Clear captured snapshots after processing them
    context.getCapturedBlocksOrEmptyList().clear();
    final ChangeBlockEvent[] mainEvents = new ChangeBlockEvent[BlockChange.values().length];
    // case in point for WorldTick event listeners since the players are captured non-deterministically
    try (CauseStackManager.StackFrame frame = Sponge.getCauseStackManager().pushCauseFrame()) {
        try {
            this.associateAdditionalCauses(this, context);
        } catch (Exception e) {
        // TODO - this should be a thing to associate additional objects in the cause, or context, but for now it's just a simple
        // try catch to avoid bombing on performing block changes.
        }
        // Creates the block events accordingly to the transaction arrays
        // Needs to throw events
        iterateChangeBlockEvents(transactionArrays, blockEvents, mainEvents);
        // Copied from TrackingUtil#throwMultiEventsAndCreatePost
        for (BlockChange blockChange : BlockChange.values()) {
            final ChangeBlockEvent mainEvent = mainEvents[blockChange.ordinal()];
            if (mainEvent != null) {
                Sponge.getCauseStackManager().pushCause(mainEvent);
            }
        }
        final ImmutableList<Transaction<BlockSnapshot>> transactions = transactionArrays[TrackingUtil.MULTI_CHANGE_INDEX];
        final ExplosionEvent.Post postEvent = SpongeEventFactory.createExplosionEventPost(Sponge.getCauseStackManager().getCurrentCause(), explosion, transactions);
        if (postEvent == null) {
            // Means that we have had no actual block changes apparently?
            return;
        }
        SpongeImpl.postEvent(postEvent);
        final List<Transaction<BlockSnapshot>> invalid = new ArrayList<>();
        boolean noCancelledTransactions = true;
        // transactions of the preceeding block events)
        for (ChangeBlockEvent blockEvent : blockEvents) {
            // Need to only check if the event is cancelled, If it is, restore
            if (blockEvent.isCancelled()) {
                noCancelledTransactions = false;
                // Don't restore the transactions just yet, since we're just marking them as invalid for now
                for (Transaction<BlockSnapshot> transaction : Lists.reverse(blockEvent.getTransactions())) {
                    transaction.setValid(false);
                }
            }
        }
        // Finally check the post event
        if (postEvent.isCancelled()) {
            // Of course, if post is cancelled, just mark all transactions as invalid.
            noCancelledTransactions = false;
            for (Transaction<BlockSnapshot> transaction : postEvent.getTransactions()) {
                transaction.setValid(false);
            }
        }
        // Because after, we will restore all the invalid transactions in reverse order.
        for (Transaction<BlockSnapshot> transaction : postEvent.getTransactions()) {
            if (!transaction.isValid()) {
                invalid.add(transaction);
                final Location<World> location = transaction.getOriginal().getLocation().orElse(null);
                if (location != null) {
                    // Cancel any block drops performed, avoids any item drops, regardless
                    final BlockPos pos = ((IMixinLocation) (Object) location).getBlockPos();
                    context.getBlockItemDropSupplier().removeAllIfNotEmpty(pos);
                    context.getBlockEntitySpawnSupplier().removeAllIfNotEmpty(pos);
                    context.getBlockEntitySpawnSupplier().removeAllIfNotEmpty(pos);
                }
            }
        }
        if (!invalid.isEmpty()) {
            // We need to set this value and return it to signify that some transactions were cancelled
            noCancelledTransactions = false;
            // or the events were cancelled), again in reverse order of which they were received.
            for (Transaction<BlockSnapshot> transaction : Lists.reverse(invalid)) {
                transaction.getOriginal().restore(true, BlockChangeFlags.NONE);
                if (this.tracksBlockSpecificDrops()) {
                    // Cancel any block drops or harvests for the block change.
                    // This prevents unnecessary spawns.
                    final Location<World> location = transaction.getOriginal().getLocation().orElse(null);
                    if (location != null) {
                        final BlockPos pos = ((IMixinLocation) (Object) location).getBlockPos();
                        context.getBlockDropSupplier().removeAllIfNotEmpty(pos);
                    }
                }
            }
        }
        TrackingUtil.performBlockAdditions(postEvent.getTransactions(), this, context, noCancelledTransactions);
    }
}

Example 12 with IMixinLocation

use of org.spongepowered.common.interfaces.world.IMixinLocation in project SpongeCommon by SpongePowered.

the class GeneralPhase method performPostBlockAdditions.

@SuppressWarnings("unchecked")
private static void performPostBlockAdditions(PhaseContext<?> postContext, List<Transaction<BlockSnapshot>> transactions, IPhaseState<?> unwindingState, PhaseContext<?> unwindingPhaseContext) {
    // We have to use a proxy so that our pending changes are notified such that any accessors from block
    // classes do not fail on getting the incorrect block state from the IBlockAccess
    final SpongeProxyBlockAccess proxyBlockAccess = new SpongeProxyBlockAccess(transactions);
    final CapturedMultiMapSupplier<BlockPos, ItemDropData> capturedBlockDrops = postContext.getBlockDropSupplier();
    final CapturedMultiMapSupplier<BlockPos, EntityItem> capturedBlockItemEntityDrops = postContext.getBlockItemDropSupplier();
    for (Transaction<BlockSnapshot> transaction : transactions) {
        if (!transaction.isValid()) {
            // Don't use invalidated block transactions during notifications, these only need to be restored
            continue;
        }
        // Handle custom replacements
        if (transaction.getCustom().isPresent()) {
            transaction.getFinal().restore(true, BlockChangeFlags.ALL);
        }
        final SpongeBlockSnapshot oldBlockSnapshot = (SpongeBlockSnapshot) transaction.getOriginal();
        final SpongeBlockSnapshot newBlockSnapshot = (SpongeBlockSnapshot) transaction.getFinal();
        // Handle item drops captured
        final Location<World> worldLocation = oldBlockSnapshot.getLocation().get();
        final IMixinWorldServer mixinWorldServer = (IMixinWorldServer) worldLocation.getExtent();
        final BlockPos pos = ((IMixinLocation) (Object) worldLocation).getBlockPos();
        capturedBlockDrops.acceptAndRemoveIfPresent(pos, items -> TrackingUtil.spawnItemDataForBlockDrops(items, oldBlockSnapshot, unwindingPhaseContext, unwindingState));
        capturedBlockItemEntityDrops.acceptAndRemoveIfPresent(pos, items -> TrackingUtil.spawnItemEntitiesForBlockDrops(items, oldBlockSnapshot, unwindingPhaseContext, unwindingState));
        final WorldServer worldServer = mixinWorldServer.asMinecraftWorld();
        SpongeHooks.logBlockAction(worldServer, oldBlockSnapshot.blockChange, transaction);
        final SpongeBlockChangeFlag spongeFlag = oldBlockSnapshot.getChangeFlag();
        final int updateFlag = spongeFlag.getRawFlag();
        final IBlockState originalState = (IBlockState) oldBlockSnapshot.getState();
        final IBlockState newState = (IBlockState) newBlockSnapshot.getState();
        // Containers get placed automatically
        final CapturedSupplier<BlockSnapshot> capturedBlockSupplier = postContext.getCapturedBlockSupplier();
        if (spongeFlag.performBlockPhysics() && originalState.getBlock() != newState.getBlock() && !SpongeImplHooks.hasBlockTileEntity(newState.getBlock(), newState)) {
            newState.getBlock().onBlockAdded(worldServer, pos, newState);
            postContext.getCapturedEntitySupplier().acceptAndClearIfNotEmpty(entities -> {
                final ArrayList<Entity> capturedEntities = new ArrayList<>(entities);
                ((IPhaseState) unwindingState).postProcessSpawns(unwindingPhaseContext, capturedEntities);
            });
            capturedBlockSupplier.acceptAndClearIfNotEmpty(blocks -> {
                final List<BlockSnapshot> blockSnapshots = new ArrayList<>(blocks);
                processBlockTransactionListsPost(postContext, blockSnapshots, unwindingState, unwindingPhaseContext);
            });
        }
        proxyBlockAccess.proceed();
        ((IPhaseState) unwindingState).handleBlockChangeWithUser(oldBlockSnapshot.blockChange, transaction, unwindingPhaseContext);
        if (spongeFlag.isNotifyClients()) {
            // Since notifyBlockUpdate is basically to tell clients that the block position has changed,
            // we need to respect that flag
            worldServer.notifyBlockUpdate(pos, originalState, newState, updateFlag);
        }
        if (spongeFlag.updateNeighbors()) {
            // Notify neighbors only if the change flag allowed it.
            mixinWorldServer.spongeNotifyNeighborsPostBlockChange(pos, originalState, newState, spongeFlag);
        } else if (spongeFlag.notifyObservers()) {
            worldServer.updateObservingBlocksAt(pos, newState.getBlock());
        }
        capturedBlockSupplier.acceptAndClearIfNotEmpty(blocks -> {
            final List<BlockSnapshot> blockSnapshots = new ArrayList<>(blocks);
            blocks.clear();
            processBlockTransactionListsPost(postContext, blockSnapshots, unwindingState, unwindingPhaseContext);
        });
    }
}

Example 13 with IMixinLocation

use of org.spongepowered.common.interfaces.world.IMixinLocation in project SpongeCommon by SpongePowered.

the class PlaceBlockPacketState method handleBlockChangeWithUser.

@Override
public void handleBlockChangeWithUser(@Nullable BlockChange blockChange, Transaction<BlockSnapshot> transaction, BasicPacketContext context) {
    Player player = Sponge.getCauseStackManager().getCurrentCause().first(Player.class).get();
    final Location<World> location = transaction.getFinal().getLocation().get();
    BlockPos pos = ((IMixinLocation) (Object) location).getBlockPos();
    IMixinChunk spongeChunk = (IMixinChunk) ((WorldServer) location.getExtent()).getChunkFromBlockCoords(pos);
    if (blockChange == BlockChange.PLACE) {
        spongeChunk.addTrackedBlockPosition((Block) transaction.getFinal().getState().getType(), pos, player, PlayerTracker.Type.OWNER);
    }
    spongeChunk.addTrackedBlockPosition((Block) transaction.getFinal().getState().getType(), pos, player, PlayerTracker.Type.NOTIFIER);
}

Example 14 with IMixinLocation

use of org.spongepowered.common.interfaces.world.IMixinLocation in project SpongeCommon by SpongePowered.

the class UseItemPacketState method handleBlockChangeWithUser.

@Override
public void handleBlockChangeWithUser(@Nullable BlockChange blockChange, Transaction<BlockSnapshot> transaction, BasicPacketContext context) {
    Player player = context.getSpongePlayer();
    BlockPos pos = ((IMixinLocation) (Object) transaction.getFinal().getLocation().get()).getBlockPos();
    IMixinChunk spongeChunk = (IMixinChunk) EntityUtil.getMinecraftWorld(player).getChunkFromBlockCoords(pos);
    if (blockChange == BlockChange.PLACE) {
        spongeChunk.addTrackedBlockPosition((Block) transaction.getFinal().getState().getType(), pos, player, PlayerTracker.Type.OWNER);
    }
    spongeChunk.addTrackedBlockPosition((Block) transaction.getFinal().getState().getType(), pos, player, PlayerTracker.Type.NOTIFIER);
}

Example 15 with IMixinLocation

use of org.spongepowered.common.interfaces.world.IMixinLocation in project SpongeCommon by SpongePowered.

the class EntityTickPhaseState method unwind.

@SuppressWarnings("unchecked")
@Override
public void unwind(EntityTickContext phaseContext) {
    final Entity tickingEntity = phaseContext.getSource(Entity.class).orElseThrow(TrackingUtil.throwWithContext("Not ticking on an Entity!", phaseContext));
    final Optional<User> creator = phaseContext.getOwner();
    final Optional<User> notifier = phaseContext.getNotifier();
    final User entityCreator = notifier.orElseGet(() -> creator.orElse(null));
    try (CauseStackManager.StackFrame frame = Sponge.getCauseStackManager().pushCauseFrame()) {
        Sponge.getCauseStackManager().pushCause(tickingEntity);
        phaseContext.addNotifierAndOwnerToCauseStack();
        phaseContext.getCapturedEntitySupplier().acceptAndClearIfNotEmpty(entities -> {
            final List<Entity> experience = new ArrayList<Entity>(entities.size());
            final List<Entity> nonExp = new ArrayList<Entity>(entities.size());
            final List<Entity> breeding = new ArrayList<Entity>(entities.size());
            final List<Entity> projectile = new ArrayList<Entity>(entities.size());
            for (Entity entity : entities) {
                if (entity instanceof EntityXPOrb) {
                    experience.add(entity);
                } else if (tickingEntity instanceof Ageable && tickingEntity.getClass() == entity.getClass()) {
                    breeding.add(entity);
                } else if (entity instanceof Projectile) {
                    projectile.add(entity);
                } else {
                    nonExp.add(entity);
                }
            }
            if (!experience.isEmpty()) {
                Sponge.getCauseStackManager().addContext(EventContextKeys.SPAWN_TYPE, InternalSpawnTypes.EXPERIENCE);
                if (EntityUtil.isEntityDead(tickingEntity)) {
                    if (tickingEntity instanceof EntityLivingBase) {
                        CombatEntry entry = ((EntityLivingBase) tickingEntity).getCombatTracker().getBestCombatEntry();
                        if (entry != null) {
                            if (entry.damageSrc != null) {
                                Sponge.getCauseStackManager().addContext(EventContextKeys.LAST_DAMAGE_SOURCE, (DamageSource) entry.damageSrc);
                            }
                        }
                    }
                }
                final SpawnEntityEvent event = SpongeEventFactory.createSpawnEntityEvent(Sponge.getCauseStackManager().getCurrentCause(), experience);
                if (!SpongeImpl.postEvent(event)) {
                    for (Entity entity : event.getEntities()) {
                        if (entityCreator != null) {
                            EntityUtil.toMixin(entity).setCreator(entityCreator.getUniqueId());
                        }
                        EntityUtil.getMixinWorld(entity).forceSpawnEntity(entity);
                    }
                }
                Sponge.getCauseStackManager().removeContext(EventContextKeys.LAST_DAMAGE_SOURCE);
            }
            if (!breeding.isEmpty()) {
                Sponge.getCauseStackManager().addContext(EventContextKeys.SPAWN_TYPE, InternalSpawnTypes.BREEDING);
                if (tickingEntity instanceof EntityAnimal) {
                    final EntityPlayer playerInLove = ((EntityAnimal) tickingEntity).getLoveCause();
                    if (playerInLove != null) {
                        Sponge.getCauseStackManager().addContext(EventContextKeys.PLAYER, (Player) playerInLove);
                    }
                }
                SpawnEntityEvent event = SpongeEventFactory.createSpawnEntityEvent(Sponge.getCauseStackManager().getCurrentCause(), breeding);
                if (!SpongeImpl.postEvent(event)) {
                    for (Entity entity : event.getEntities()) {
                        if (entityCreator != null) {
                            EntityUtil.toMixin(entity).setCreator(entityCreator.getUniqueId());
                        }
                        EntityUtil.getMixinWorld(entity).forceSpawnEntity(entity);
                    }
                }
                Sponge.getCauseStackManager().removeContext(EventContextKeys.PLAYER);
            }
            if (!projectile.isEmpty()) {
                Sponge.getCauseStackManager().addContext(EventContextKeys.SPAWN_TYPE, InternalSpawnTypes.PROJECTILE);
                final SpawnEntityEvent event = SpongeEventFactory.createSpawnEntityEvent(Sponge.getCauseStackManager().getCurrentCause(), projectile);
                SpongeImpl.postEvent(event);
                if (!event.isCancelled()) {
                    for (Entity entity : event.getEntities()) {
                        if (entityCreator != null) {
                            entity.setCreator(entityCreator.getUniqueId());
                        }
                        EntityUtil.getMixinWorld(entity).forceSpawnEntity(entity);
                    }
                }
            }
            Sponge.getCauseStackManager().addContext(EventContextKeys.SPAWN_TYPE, InternalSpawnTypes.PASSIVE);
            final SpawnEntityEvent event = SpongeEventFactory.createSpawnEntityEvent(Sponge.getCauseStackManager().getCurrentCause(), nonExp);
            SpongeImpl.postEvent(event);
            if (!event.isCancelled()) {
                for (Entity entity : event.getEntities()) {
                    if (entityCreator != null) {
                        entity.setCreator(entityCreator.getUniqueId());
                    }
                    EntityUtil.getMixinWorld(entity).forceSpawnEntity(entity);
                }
            }
        });
        phaseContext.getCapturedItemsSupplier().acceptAndClearIfNotEmpty(entities -> {
            final ArrayList<Entity> capturedEntities = new ArrayList<>();
            for (EntityItem entity : entities) {
                capturedEntities.add(EntityUtil.fromNative(entity));
            }
            Sponge.getCauseStackManager().addContext(EventContextKeys.SPAWN_TYPE, InternalSpawnTypes.DROPPED_ITEM);
            final DropItemEvent.Custom event = SpongeEventFactory.createDropItemEventCustom(Sponge.getCauseStackManager().getCurrentCause(), capturedEntities);
            SpongeImpl.postEvent(event);
            if (!event.isCancelled()) {
                for (Entity entity : event.getEntities()) {
                    if (entityCreator != null) {
                        EntityUtil.toMixin(entity).setCreator(entityCreator.getUniqueId());
                    }
                    EntityUtil.getMixinWorld(entity).forceSpawnEntity(entity);
                }
            }
        });
        phaseContext.getCapturedBlockSupplier().acceptAndClearIfNotEmpty(blockSnapshots -> TrackingUtil.processBlockCaptures(blockSnapshots, this, phaseContext));
        phaseContext.getBlockItemDropSupplier().acceptIfNotEmpty(map -> {
            final List<BlockSnapshot> capturedBlocks = phaseContext.getCapturedBlocks();
            for (BlockSnapshot snapshot : capturedBlocks) {
                final BlockPos blockPos = ((IMixinLocation) (Object) snapshot.getLocation().get()).getBlockPos();
                final Collection<EntityItem> entityItems = map.get(blockPos);
                if (!entityItems.isEmpty()) {
                    Sponge.getCauseStackManager().pushCause(snapshot);
                    Sponge.getCauseStackManager().addContext(EventContextKeys.SPAWN_TYPE, InternalSpawnTypes.DROPPED_ITEM);
                    final List<Entity> items = entityItems.stream().map(EntityUtil::fromNative).collect(Collectors.toList());
                    final DropItemEvent.Destruct event = SpongeEventFactory.createDropItemEventDestruct(Sponge.getCauseStackManager().getCurrentCause(), items);
                    SpongeImpl.postEvent(event);
                    if (!event.isCancelled()) {
                        for (Entity entity : event.getEntities()) {
                            creator.ifPresent(user -> entity.setCreator(user.getUniqueId()));
                            EntityUtil.getMixinWorld(entity).forceSpawnEntity(entity);
                        }
                    }
                    Sponge.getCauseStackManager().popCause();
                }
            }
        });
        phaseContext.getCapturedItemStackSupplier().acceptAndClearIfNotEmpty(drops -> {
            final List<EntityItem> items = drops.stream().map(drop -> drop.create(EntityUtil.getMinecraftWorld(tickingEntity))).collect(Collectors.toList());
            Sponge.getCauseStackManager().addContext(EventContextKeys.SPAWN_TYPE, InternalSpawnTypes.DROPPED_ITEM);
            final List<Entity> entities = (List<Entity>) (List<?>) items;
            if (!entities.isEmpty()) {
                DropItemEvent.Custom event = SpongeEventFactory.createDropItemEventCustom(Sponge.getCauseStackManager().getCurrentCause(), entities);
                SpongeImpl.postEvent(event);
                if (!event.isCancelled()) {
                    for (Entity droppedItem : event.getEntities()) {
                        EntityUtil.getMixinWorld(droppedItem).forceSpawnEntity(droppedItem);
                    }
                }
            }
        });
        this.fireMovementEvents(EntityUtil.toNative(tickingEntity));
    }
}