Examples with SpawnEntityEvent org.spongepowered.api.event.entity.SpawnEntityEvent used on opensource projects

Example 6 with SpawnEntityEvent

use of org.spongepowered.api.event.entity.SpawnEntityEvent in project SpongeCommon by SpongePowered.

the class DeathPhase method unwind.

@Override
public void unwind(BasicEntityContext context) {
    final Entity dyingEntity = context.getSource(Entity.class).orElseThrow(TrackingUtil.throwWithContext("Dying entity not found!", context));
    final DamageSource damageSource = context.getDamageSource();
    try (StackFrame frame = Sponge.getCauseStackManager().pushCauseFrame()) {
        Sponge.getCauseStackManager().pushCause(damageSource);
        Sponge.getCauseStackManager().pushCause(dyingEntity);
        final boolean isPlayer = dyingEntity instanceof EntityPlayer;
        final EntityPlayer entityPlayer = isPlayer ? (EntityPlayer) dyingEntity : null;
        final Optional<User> notifier = context.getNotifier();
        final Optional<User> owner = context.getOwner();
        final User entityCreator = notifier.orElseGet(() -> owner.orElse(null));
        context.getCapturedEntitySupplier().acceptAndClearIfNotEmpty(entities -> {
            // Separate experience orbs from other entity drops
            final List<Entity> experience = entities.stream().filter(entity -> entity instanceof ExperienceOrb).collect(Collectors.toList());
            if (!experience.isEmpty()) {
                Sponge.getCauseStackManager().addContext(EventContextKeys.SPAWN_TYPE, InternalSpawnTypes.EXPERIENCE);
                final SpawnEntityEvent spawnEntityEvent = SpongeEventFactory.createSpawnEntityEvent(Sponge.getCauseStackManager().getCurrentCause(), experience);
                SpongeImpl.postEvent(spawnEntityEvent);
                if (!spawnEntityEvent.isCancelled()) {
                    for (Entity entity : spawnEntityEvent.getEntities()) {
                        EntityUtil.getMixinWorld(entity).forceSpawnEntity(entity);
                    }
                }
            }
            // Now process other entities, this is separate from item drops specifically
            final List<Entity> other = entities.stream().filter(entity -> !(entity instanceof ExperienceOrb)).collect(Collectors.toList());
            if (!other.isEmpty()) {
                Sponge.getCauseStackManager().addContext(EventContextKeys.SPAWN_TYPE, InternalSpawnTypes.ENTITY_DEATH);
                final SpawnEntityEvent spawnEntityEvent = SpongeEventFactory.createSpawnEntityEvent(Sponge.getCauseStackManager().getCurrentCause(), experience);
                SpongeImpl.postEvent(spawnEntityEvent);
                if (!spawnEntityEvent.isCancelled()) {
                    for (Entity entity : spawnEntityEvent.getEntities()) {
                        EntityUtil.getMixinWorld(entity).forceSpawnEntity(entity);
                    }
                }
            }
        });
        Sponge.getCauseStackManager().addContext(EventContextKeys.SPAWN_TYPE, InternalSpawnTypes.DROPPED_ITEM);
        // This allows mods such as Draconic Evolution to add items to the drop list
        if (context.getCapturedEntityItemDropSupplier().isEmpty() && context.getCapturedEntityDropSupplier().isEmpty()) {
            final ArrayList<Entity> entities = new ArrayList<>();
            final DropItemEvent.Destruct destruct = SpongeEventFactory.createDropItemEventDestruct(frame.getCurrentCause(), entities);
            SpongeImpl.postEvent(destruct);
            if (!destruct.isCancelled()) {
                for (Entity entity : destruct.getEntities()) {
                    EntityUtil.getMixinWorld(entity).forceSpawnEntity(entity);
                }
            }
            return;
        }
        context.getCapturedEntityItemDropSupplier().acceptAndRemoveIfPresent(dyingEntity.getUniqueId(), items -> {
            final ArrayList<Entity> entities = new ArrayList<>();
            for (EntityItem item : items) {
                entities.add(EntityUtil.fromNative(item));
            }
            if (isPlayer) {
                // Forge and Vanilla always clear items on player death BEFORE drops occur
                // This will also provide the highest compatibility with mods such as Tinkers Construct
                entityPlayer.inventory.clear();
            }
            final DropItemEvent.Destruct destruct = SpongeEventFactory.createDropItemEventDestruct(Sponge.getCauseStackManager().getCurrentCause(), entities);
            SpongeImpl.postEvent(destruct);
            if (!destruct.isCancelled()) {
                for (Entity entity : destruct.getEntities()) {
                    EntityUtil.getMixinWorld(entity).forceSpawnEntity(entity);
                }
            }
        // Note: If cancelled, the items do not spawn in the world and are NOT copied back to player inventory.
        // This avoids many issues with mods such as Tinkers Construct's soulbound items.
        });
        // Note that this is only used if and when item pre-merging is enabled. Which is never enabled in forge.
        context.getCapturedEntityDropSupplier().acceptAndRemoveIfPresent(dyingEntity.getUniqueId(), itemStacks -> {
            final List<ItemDropData> items = new ArrayList<>();
            items.addAll(itemStacks);
            if (!items.isEmpty()) {
                final net.minecraft.entity.Entity minecraftEntity = EntityUtil.toNative(dyingEntity);
                final List<Entity> itemEntities = items.stream().map(data -> data.create((WorldServer) minecraftEntity.world)).map(EntityUtil::fromNative).collect(Collectors.toList());
                if (isPlayer) {
                    // Forge and Vanilla always clear items on player death BEFORE drops occur
                    // This will also provide the highest compatibility with mods such as Tinkers Construct
                    entityPlayer.inventory.clear();
                }
                final DropItemEvent.Destruct destruct = SpongeEventFactory.createDropItemEventDestruct(Sponge.getCauseStackManager().getCurrentCause(), itemEntities);
                SpongeImpl.postEvent(destruct);
                if (!destruct.isCancelled()) {
                    for (Entity entity : destruct.getEntities()) {
                        if (entityCreator != null) {
                            EntityUtil.toMixin(entity).setCreator(entityCreator.getUniqueId());
                        }
                        EntityUtil.getMixinWorld(entity).forceSpawnEntity(entity);
                    }
                }
            // Note: If cancelled, the items do not spawn in the world and are NOT copied back to player inventory.
            // This avoids many issues with mods such as Tinkers Construct's soulbound items.
            }
        });
    }
}

Example 7 with SpawnEntityEvent

use of org.spongepowered.api.event.entity.SpawnEntityEvent in project SpongeCommon by SpongePowered.

the class DeathUpdateState method unwind.

@Override
public void unwind(BasicEntityContext context) {
    final Entity dyingEntity = context.getSource(Entity.class).orElseThrow(TrackingUtil.throwWithContext("Dying entity not found!", context));
    context.getCapturedItemsSupplier().acceptAndClearIfNotEmpty(items -> {
        final DamageSource damageSource = context.getDamageSource();
        try (CauseStackManager.StackFrame frame = Sponge.getCauseStackManager().pushCauseFrame()) {
            Sponge.getCauseStackManager().pushCause(dyingEntity);
            Sponge.getCauseStackManager().pushCause(damageSource);
            Sponge.getCauseStackManager().addContext(EventContextKeys.SPAWN_TYPE, SpawnTypes.DROPPED_ITEM);
            final ArrayList<Entity> entities = new ArrayList<>();
            for (EntityItem item : items) {
                entities.add(EntityUtil.fromNative(item));
            }
            final DropItemEvent.Destruct destruct = SpongeEventFactory.createDropItemEventDestruct(Sponge.getCauseStackManager().getCurrentCause(), entities);
            SpongeImpl.postEvent(destruct);
            if (!destruct.isCancelled()) {
                for (Entity entity : destruct.getEntities()) {
                    EntityUtil.getMixinWorld(entity).forceSpawnEntity(entity);
                }
            }
        }
    });
    context.getCapturedEntitySupplier().acceptAndClearIfNotEmpty(entities -> {
        final List<Entity> experience = entities.stream().filter(entity -> entity instanceof ExperienceOrb).collect(Collectors.toList());
        if (!experience.isEmpty()) {
            try (CauseStackManager.StackFrame frame = Sponge.getCauseStackManager().pushCauseFrame()) {
                Sponge.getCauseStackManager().pushCause(dyingEntity);
                Sponge.getCauseStackManager().addContext(EventContextKeys.SPAWN_TYPE, SpawnTypes.EXPERIENCE);
                final SpawnEntityEvent event = SpongeEventFactory.createSpawnEntityEvent(Sponge.getCauseStackManager().getCurrentCause(), experience);
                SpongeImpl.postEvent(event);
                if (!event.isCancelled()) {
                    for (Entity entity : event.getEntities()) {
                        EntityUtil.getMixinWorld(entity).forceSpawnEntity(entity);
                    }
                }
            }
        }
        final List<Entity> other = entities.stream().filter(entity -> !(entity instanceof ExperienceOrb)).collect(Collectors.toList());
        if (!other.isEmpty()) {
            try (StackFrame frame = Sponge.getCauseStackManager().pushCauseFrame()) {
                Sponge.getCauseStackManager().pushCause(dyingEntity);
                Sponge.getCauseStackManager().addContext(EventContextKeys.SPAWN_TYPE, InternalSpawnTypes.ENTITY_DEATH);
                final SpawnEntityEvent event1 = SpongeEventFactory.createSpawnEntityEvent(Sponge.getCauseStackManager().getCurrentCause(), other);
                SpongeImpl.postEvent(event1);
                if (!event1.isCancelled()) {
                    for (Entity entity : event1.getEntities()) {
                        EntityUtil.getMixinWorld(entity).forceSpawnEntity(entity);
                    }
                }
            }
        }
    });
    context.getCapturedEntityDropSupplier().acceptIfNotEmpty(map -> {
        if (map.isEmpty()) {
            return;
        }
        final PrettyPrinter printer = new PrettyPrinter(80);
        printer.add("Processing Entity Death Updates Spawning").centre().hr();
        printer.add("Entity Dying: " + dyingEntity);
        printer.add("The item stacks captured are: ");
        for (Map.Entry<UUID, Collection<ItemDropData>> entry : map.asMap().entrySet()) {
            printer.add("  - Entity with UUID: %s", entry.getKey());
            for (ItemDropData stack : entry.getValue()) {
                printer.add("    - %s", stack);
            }
        }
        printer.trace(System.err);
    });
    context.getCapturedBlockSupplier().acceptAndClearIfNotEmpty(blocks -> TrackingUtil.processBlockCaptures(blocks, this, context));
}

Example 8 with SpawnEntityEvent

use of org.spongepowered.api.event.entity.SpawnEntityEvent in project SpongeCommon by SpongePowered.

the class ExplosionState method spawnEntityOrCapture.

@Override
public boolean spawnEntityOrCapture(ExplosionContext context, Entity entity, int chunkX, int chunkZ) {
    return context.getBlockPosition().map(blockPos -> {
        // TODO - this needs to be guaranteed. can't be bothered to figure out why it isn't
        final Multimap<BlockPos, net.minecraft.entity.Entity> blockPosEntityMultimap = context.getBlockEntitySpawnSupplier().get();
        final Multimap<BlockPos, EntityItem> blockPosEntityItemMultimap = context.getBlockItemDropSupplier().get();
        if (entity instanceof EntityItem) {
            blockPosEntityItemMultimap.put(blockPos, (EntityItem) entity);
        } else {
            blockPosEntityMultimap.put(blockPos, (net.minecraft.entity.Entity) entity);
        }
        return true;
    }).orElseGet(() -> {
        final ArrayList<Entity> entities = new ArrayList<>(1);
        entities.add(entity);
        final SpawnEntityEvent event = SpongeEventFactory.createSpawnEntityEvent(Sponge.getCauseStackManager().getCurrentCause(), entities);
        SpongeImpl.postEvent(event);
        if (!event.isCancelled() && event.getEntities().size() > 0) {
            for (Entity item : event.getEntities()) {
                ((IMixinWorldServer) item.getWorld()).forceSpawnEntity(item);
            }
            return true;
        }
        return false;
    });
}

Example 9 with SpawnEntityEvent

use of org.spongepowered.api.event.entity.SpawnEntityEvent in project SpongeCommon by SpongePowered.

the class GeneralGenerationPhaseState method spawnEntityOrCapture.

@Override
public boolean spawnEntityOrCapture(G context, Entity entity, int chunkX, int chunkZ) {
    final ArrayList<Entity> entities = new ArrayList<>(1);
    entities.add(entity);
    try (CauseStackManager.StackFrame frame = Sponge.getCauseStackManager().pushCauseFrame()) {
        frame.pushCause(entity.getLocation().getExtent());
        frame.addContext(EventContextKeys.SPAWN_TYPE, SpawnTypes.WORLD_SPAWNER);
        final SpawnEntityEvent event = SpongeEventFactory.createSpawnEntityEventSpawner(frame.getCurrentCause(), entities);
        SpongeImpl.postEvent(event);
        if (!event.isCancelled() && event.getEntities().size() > 0) {
            for (Entity item : event.getEntities()) {
                ((IMixinWorldServer) item.getWorld()).forceSpawnEntity(item);
            }
            return true;
        }
        return false;
    }
}

Example 10 with SpawnEntityEvent

use of org.spongepowered.api.event.entity.SpawnEntityEvent in project SpongeCommon by SpongePowered.

the class EnchantItemPacketState method unwind.

@Override
public void unwind(InventoryPacketContext context) {
    // TODO - Pre changes of merging PacketFunction into the phase states, enchantments did NOT have any processing....
    final EntityPlayerMP player = context.getPacketPlayer();
    // The server will disable the player's crafting after receiving a
    // client packet
    // that did not pass validation (server click item != packet click item)
    // The server then sends a SPacketConfirmTransaction and waits for a
    // CPacketConfirmTransaction to re-enable crafting confirming that the
    // client
    // acknowledged the denied transaction.
    // To detect when this happens, we turn off capturing so we can avoid
    // firing
    // invalid events.
    // See MixinNetHandlerPlayServer processClickWindow redirect for rest of
    // fix.
    // --bloodmc
    final IMixinContainer mixinContainer = ContainerUtil.toMixin(player.openContainer);
    if (!mixinContainer.capturingInventory()) {
        mixinContainer.getCapturedTransactions().clear();
        return;
    }
    // TODO clear this shit out of the context
    final CPacketEnchantItem packetIn = context.getPacket();
    final ItemStackSnapshot lastCursor = context.getCursor();
    final ItemStackSnapshot newCursor = ItemStackUtil.snapshotOf(player.inventory.getItemStack());
    final Transaction<ItemStackSnapshot> transaction = new Transaction<>(lastCursor, newCursor);
    final net.minecraft.inventory.Container openContainer = player.openContainer;
    final List<SlotTransaction> slotTransactions = mixinContainer.getCapturedTransactions();
    final int usedButton = packetIn.getButton();
    final List<Entity> capturedItems = new ArrayList<>();
    for (EntityItem entityItem : context.getCapturedItems()) {
        capturedItems.add(EntityUtil.fromNative(entityItem));
    }
    try (CauseStackManager.StackFrame frame = Sponge.getCauseStackManager().pushCauseFrame()) {
        Sponge.getCauseStackManager().pushCause(player);
        Sponge.getCauseStackManager().pushCause(openContainer);
        final ClickInventoryEvent inventoryEvent;
        inventoryEvent = this.createInventoryEvent(player, ContainerUtil.fromNative(openContainer), transaction, Lists.newArrayList(slotTransactions), capturedItems, usedButton);
        // If this happens and we captured no entities, avoid firing events
        if (mixinContainer.getCapturedTransactions().isEmpty() && capturedItems.isEmpty()) {
            mixinContainer.setCaptureInventory(false);
            return;
        }
        if (inventoryEvent != null) {
            // Don't fire inventory drop events when there are no entities
            if (inventoryEvent instanceof AffectEntityEvent && ((AffectEntityEvent) inventoryEvent).getEntities().isEmpty()) {
                slotTransactions.clear();
                mixinContainer.setCaptureInventory(false);
                return;
            }
            // packet has everything we want.
            if (!(inventoryEvent instanceof ClickInventoryEvent.Drag)) {
                PacketPhaseUtil.validateCapturedTransactions(packetIn.getWindowId(), openContainer, inventoryEvent.getTransactions());
            }
            SpongeImpl.postEvent(inventoryEvent);
            if (inventoryEvent.isCancelled() || PacketPhaseUtil.allTransactionsInvalid(inventoryEvent.getTransactions())) {
                if (inventoryEvent instanceof ClickInventoryEvent.Drop) {
                    capturedItems.clear();
                }
                // Restore cursor
                PacketPhaseUtil.handleCustomCursor(player, inventoryEvent.getCursorTransaction().getOriginal());
                // Restore target slots
                PacketPhaseUtil.handleSlotRestore(player, openContainer, inventoryEvent.getTransactions(), true);
            } else {
                PacketPhaseUtil.handleSlotRestore(player, openContainer, inventoryEvent.getTransactions(), false);
                // Handle cursor
                if (!inventoryEvent.getCursorTransaction().isValid()) {
                    PacketPhaseUtil.handleCustomCursor(player, inventoryEvent.getCursorTransaction().getOriginal());
                } else if (inventoryEvent.getCursorTransaction().getCustom().isPresent()) {
                    PacketPhaseUtil.handleCustomCursor(player, inventoryEvent.getCursorTransaction().getFinal());
                } else if (inventoryEvent instanceof ClickInventoryEvent.Drag) {
                    int increment;
                    increment = slotTransactions.stream().filter((t) -> !t.isValid()).mapToInt((t) -> t.getFinal().getQuantity()).sum();
                    final ItemStack cursor = inventoryEvent.getCursorTransaction().getFinal().createStack();
                    cursor.setQuantity(cursor.getQuantity() + increment);
                    PacketPhaseUtil.handleCustomCursor(player, cursor.createSnapshot());
                } else if (inventoryEvent instanceof ClickInventoryEvent.Double && !(inventoryEvent instanceof ClickInventoryEvent.Shift)) {
                    int decrement;
                    decrement = slotTransactions.stream().filter((t) -> !t.isValid()).mapToInt((t) -> t.getOriginal().getQuantity()).sum();
                    final ItemStack cursor = inventoryEvent.getCursorTransaction().getFinal().createStack();
                    cursor.setQuantity(cursor.getQuantity() - decrement);
                    PacketPhaseUtil.handleCustomCursor(player, cursor.createSnapshot());
                }
                if (inventoryEvent instanceof SpawnEntityEvent) {
                    processSpawnedEntities(player, (SpawnEntityEvent) inventoryEvent);
                } else if (!context.getCapturedEntitySupplier().isEmpty()) {
                    SpawnEntityEvent spawnEntityEvent = SpongeEventFactory.createSpawnEntityEvent(Sponge.getCauseStackManager().getCurrentCause(), context.getCapturedEntities());
                    SpongeImpl.postEvent(spawnEntityEvent);
                    if (!spawnEntityEvent.isCancelled()) {
                        processSpawnedEntities(player, spawnEntityEvent);
                    }
                }
            }
        }
    }
    slotTransactions.clear();
    mixinContainer.setCaptureInventory(false);
}