Examples with Event net.minecraftforge.fml.common.eventhandler.Event used on opensource projects

Example 1 with Event

use of net.minecraftforge.fml.common.eventhandler.Event in project malmo by Microsoft.

the class DiscreteMovementCommandsImplementation method onExecute.

@Override
protected boolean onExecute(String verb, String parameter, MissionInit missionInit) {
    boolean handled = false;
    EntityPlayerSP player = Minecraft.getMinecraft().thePlayer;
    if (player != null) {
        int z = 0;
        int x = 0;
        int y = 0;
        DiscreteMovementCommand command = verbToCommand(verb);
        if (command == null)
            // Did not recognise this command.
            return false;
        switch(command) {
            case MOVENORTH:
            case JUMPNORTH:
                z = -1;
                break;
            case MOVESOUTH:
            case JUMPSOUTH:
                z = 1;
                break;
            case MOVEEAST:
            case JUMPEAST:
                x = 1;
                break;
            case MOVEWEST:
            case JUMPWEST:
                x = -1;
                break;
            case MOVE:
            case JUMPMOVE:
            case STRAFE:
            case JUMPSTRAFE:
                if (parameter != null && parameter.length() != 0) {
                    float velocity = Float.valueOf(parameter);
                    int offset = (velocity > 0) ? 1 : ((velocity < 0) ? -1 : 0);
                    int direction = getDirectionFromYaw(player.rotationYaw);
                    // For strafing, add one to direction:
                    if (command == DiscreteMovementCommand.STRAFE || command == DiscreteMovementCommand.JUMPSTRAFE)
                        direction = (direction + 1) % 4;
                    switch(direction) {
                        case // North
                        0:
                            z = offset;
                            break;
                        case // East
                        1:
                            x = -offset;
                            break;
                        case // South
                        2:
                            z = -offset;
                            break;
                        case // West
                        3:
                            x = offset;
                            break;
                    }
                    break;
                }
            case TURN:
                if (parameter != null && parameter.length() != 0) {
                    float yawDelta = Float.valueOf(parameter);
                    int direction = getDirectionFromYaw(player.rotationYaw);
                    direction += (yawDelta > 0) ? 1 : ((yawDelta < 0) ? -1 : 0);
                    direction = (direction + 4) % 4;
                    player.rotationYaw = direction * 90;
                    player.onUpdate();
                    // Send a message that the ContinuousMovementCommands can pick up on:
                    Event event = new CommandForWheeledRobotNavigationImplementation.ResetPitchAndYawEvent(true, player.rotationYaw, false, 0);
                    MinecraftForge.EVENT_BUS.post(event);
                    handled = true;
                }
                break;
            case LOOK:
                if (parameter != null && parameter.length() != 0) {
                    float pitchDelta = Float.valueOf(parameter);
                    player.rotationPitch += (pitchDelta < 0) ? -45 : ((pitchDelta > 0) ? 45 : 0);
                    player.onUpdate();
                    // Send a message that the ContinuousMovementCommands can pick up on:
                    Event event = new CommandForWheeledRobotNavigationImplementation.ResetPitchAndYawEvent(false, 0, true, player.rotationPitch);
                    MinecraftForge.EVENT_BUS.post(event);
                    handled = true;
                }
                break;
            case ATTACK:
                {
                    MovingObjectPosition mop = Minecraft.getMinecraft().objectMouseOver;
                    if (mop.typeOfHit == MovingObjectPosition.MovingObjectType.BLOCK) {
                        BlockPos hitPos = mop.getBlockPos();
                        EnumFacing face = mop.sideHit;
                        IBlockState iblockstate = player.worldObj.getBlockState(hitPos);
                        Block block = iblockstate.getBlock();
                        if (block.getMaterial() != Material.air) {
                            MalmoMod.network.sendToServer(new AttackActionMessage(hitPos, face));
                            // Trigger a reward for collecting the block
                            java.util.List<ItemStack> items = block.getDrops(player.worldObj, hitPos, iblockstate, 0);
                            for (ItemStack item : items) {
                                RewardForCollectingItemImplementation.GainItemEvent event = new RewardForCollectingItemImplementation.GainItemEvent(item);
                                MinecraftForge.EVENT_BUS.post(event);
                            }
                        }
                    }
                    handled = true;
                    break;
                }
            case USE:
            case JUMPUSE:
                {
                    MovingObjectPosition mop = getObjectMouseOver(command);
                    if (mop.typeOfHit == MovingObjectPosition.MovingObjectType.BLOCK) {
                        if (player.getCurrentEquippedItem() != null) {
                            ItemStack itemStack = player.getCurrentEquippedItem();
                            Block b = Block.getBlockFromItem(itemStack.getItem());
                            if (b != null) {
                                BlockPos pos = mop.getBlockPos().add(mop.sideHit.getDirectionVec());
                                // Can we place this block here?
                                AxisAlignedBB axisalignedbb = b.getCollisionBoundingBox(player.worldObj, pos, b.getDefaultState());
                                Entity exceptedEntity = (command == DiscreteMovementCommand.USE) ? null : player;
                                // (Not ideal, but needed by jump-use to allow the player to place a block where their feet would be.)
                                if (axisalignedbb == null || player.worldObj.checkNoEntityCollision(axisalignedbb, exceptedEntity)) {
                                    boolean standOnBlockPlaced = (command == DiscreteMovementCommand.JUMPUSE && mop.getBlockPos().equals(new BlockPos(player.posX, player.posY - 1, player.posZ)));
                                    MalmoMod.network.sendToServer(new UseActionMessage(mop.getBlockPos(), itemStack, mop.sideHit, standOnBlockPlaced));
                                }
                            }
                        }
                    }
                    handled = true;
                    break;
                }
            case JUMP:
                // Handled below.
                break;
        }
        // Handle jumping cases:
        if (command == DiscreteMovementCommand.JUMP || command == DiscreteMovementCommand.JUMPNORTH || command == DiscreteMovementCommand.JUMPEAST || command == DiscreteMovementCommand.JUMPSOUTH || command == DiscreteMovementCommand.JUMPWEST || command == DiscreteMovementCommand.JUMPMOVE || command == DiscreteMovementCommand.JUMPUSE || command == DiscreteMovementCommand.JUMPSTRAFE)
            y = 1;
        if (this.params.isAutoJump() && y == 0 && (z != 0 || x != 0)) {
            // Do we need to jump?
            if (!player.worldObj.getCollidingBoundingBoxes(player, player.getEntityBoundingBox().offset(x, 0, z)).isEmpty())
                y = 1;
        }
        if (z != 0 || x != 0 || y != 0) {
            // Attempt to move the entity:
            double oldX = player.posX;
            double oldZ = player.posZ;
            player.moveEntity(x, y, z);
            player.onUpdate();
            if (this.params.isAutoFall()) {
                // Did we step off a block? If so, attempt to fast-forward our fall.
                // Give up after this many attempts
                int bailCountdown = 256;
                // (This is needed because, for example, if the player is caught in a web, the downward movement will have no effect.)
                while (!player.onGround && !player.capabilities.isFlying && bailCountdown > 0) {
                    // Fast-forward downwards.
                    player.moveEntity(0, Math.floor(player.posY - 0.0000001) - player.posY, 0);
                    player.onUpdate();
                    bailCountdown--;
                }
            }
            // Now check where we ended up:
            double newX = player.posX;
            double newZ = player.posZ;
            // Are we still in the centre of a square, or did we get shunted?
            double offsetX = newX - Math.floor(newX);
            double offsetZ = newZ - Math.floor(newZ);
            if (Math.abs(offsetX - 0.5) + Math.abs(offsetZ - 0.5) > 0.01) {
                // We failed to move to the centre of the target square.
                // This might be because the target square was occupied, and we
                // were shunted back into our source square,
                // or it might be that the target square is occupied by something smaller
                // than one block (eg a fence post), and we're in the target square but
                // shunted off-centre.
                // Either way, we can't stay here, so move back to our original position.
                // Before we do that, fire off a message - this will give the TouchingBlockType handlers
                // a chance to react to the current position:
                DiscretePartialMoveEvent event = new DiscretePartialMoveEvent(player.posX, player.posY, player.posZ);
                MinecraftForge.EVENT_BUS.post(event);
                // Now adjust the player:
                player.moveEntity(oldX - newX, 0, oldZ - newZ);
                player.onUpdate();
            }
            // Now set the last tick pos values, to turn off inter-tick positional interpolation:
            player.lastTickPosX = player.posX;
            player.lastTickPosY = player.posY;
            player.lastTickPosZ = player.posZ;
            try {
                MalmoMod.getPropertiesForCurrentThread().put(MOVE_ATTEMPTED_KEY, true);
            } catch (Exception e) {
                // TODO - proper error reporting.
                System.out.println("Failed to access properties for the client thread after discrete movement - reward may be incorrect.");
            }
            handled = true;
        }
    }
    return handled;
}

Example 2 with Event

use of net.minecraftforge.fml.common.eventhandler.Event in project MinecraftForge by MinecraftForge.

the class EventSubscriptionTransformer method buildEvents.

private boolean buildEvents(ClassNode classNode) throws Exception {
    // Yes, this recursively loads classes until we get this base class. THIS IS NOT A ISSUE. Coremods should handle re-entry just fine.
    // If they do not this a COREMOD issue NOT a Forge/LaunchWrapper issue.
    Class<?> parent = this.getClass().getClassLoader().loadClass(classNode.superName.replace('/', '.'));
    if (!Event.class.isAssignableFrom(parent)) {
        return false;
    }
    //Class<?> listenerListClazz = Class.forName("net.minecraftforge.fml.common.eventhandler.ListenerList", false, getClass().getClassLoader());
    Type tList = Type.getType("Lnet/minecraftforge/fml/common/eventhandler/ListenerList;");
    boolean edited = false;
    boolean hasSetup = false;
    boolean hasGetListenerList = false;
    boolean hasDefaultCtr = false;
    boolean hasCancelable = false;
    boolean hasResult = false;
    String voidDesc = Type.getMethodDescriptor(VOID_TYPE);
    String boolDesc = Type.getMethodDescriptor(BOOLEAN_TYPE);
    String listDesc = tList.getDescriptor();
    String listDescM = Type.getMethodDescriptor(tList);
    for (MethodNode method : classNode.methods) {
        if (method.name.equals("setup") && method.desc.equals(voidDesc) && (method.access & ACC_PROTECTED) == ACC_PROTECTED)
            hasSetup = true;
        if ((method.access & ACC_PUBLIC) == ACC_PUBLIC) {
            if (method.name.equals("getListenerList") && method.desc.equals(listDescM))
                hasGetListenerList = true;
            if (method.name.equals("isCancelable") && method.desc.equals(boolDesc))
                hasCancelable = true;
            if (method.name.equals("hasResult") && method.desc.equals(boolDesc))
                hasResult = true;
        }
        if (method.name.equals("<init>") && method.desc.equals(voidDesc))
            hasDefaultCtr = true;
    }
    if (classNode.visibleAnnotations != null) {
        for (AnnotationNode node : classNode.visibleAnnotations) {
            if (!hasResult && node.desc.equals("Lnet/minecraftforge/fml/common/eventhandler/Event$HasResult;")) {
                /* Add:
                     *      public boolean hasResult()
                     *      {
                     *            return true;
                     *      }
                     */
                MethodNode method = new MethodNode(ACC_PUBLIC, "hasResult", boolDesc, null, null);
                method.instructions.add(new InsnNode(ICONST_1));
                method.instructions.add(new InsnNode(IRETURN));
                classNode.methods.add(method);
                edited = true;
            } else if (!hasCancelable && node.desc.equals("Lnet/minecraftforge/fml/common/eventhandler/Cancelable;")) {
                /* Add:
                     *      public boolean isCancelable()
                     *      {
                     *            return true;
                     *      }
                     */
                MethodNode method = new MethodNode(ACC_PUBLIC, "isCancelable", boolDesc, null, null);
                method.instructions.add(new InsnNode(ICONST_1));
                method.instructions.add(new InsnNode(IRETURN));
                classNode.methods.add(method);
                edited = true;
            }
        }
    }
    if (hasSetup) {
        if (!hasGetListenerList)
            throw new RuntimeException("Event class defines setup() but does not define getListenerList! " + classNode.name);
        else
            return edited;
    }
    Type tSuper = Type.getType(classNode.superName);
    //Add private static ListenerList LISTENER_LIST
    classNode.fields.add(new FieldNode(ACC_PRIVATE | ACC_STATIC, "LISTENER_LIST", listDesc, null, null));
    /*Add:
         *      public <init>()
         *      {
         *              super();
         *      }
         */
    if (!hasDefaultCtr) {
        MethodNode method = new MethodNode(ACC_PUBLIC, "<init>", voidDesc, null, null);
        method.instructions.add(new VarInsnNode(ALOAD, 0));
        method.instructions.add(new MethodInsnNode(INVOKESPECIAL, tSuper.getInternalName(), "<init>", voidDesc, false));
        method.instructions.add(new InsnNode(RETURN));
        classNode.methods.add(method);
    }
    /*Add:
         *      protected void setup()
         *      {
         *              super.setup();
         *              if (LISTENER_LIST != NULL)
         *              {
         *                      return;
         *              }
         *              LISTENER_LIST = new ListenerList(super.getListenerList());
         *      }
         */
    MethodNode method = new MethodNode(ACC_PROTECTED, "setup", voidDesc, null, null);
    method.instructions.add(new VarInsnNode(ALOAD, 0));
    method.instructions.add(new MethodInsnNode(INVOKESPECIAL, tSuper.getInternalName(), "setup", voidDesc, false));
    method.instructions.add(new FieldInsnNode(GETSTATIC, classNode.name, "LISTENER_LIST", listDesc));
    LabelNode initListener = new LabelNode();
    method.instructions.add(new JumpInsnNode(IFNULL, initListener));
    method.instructions.add(new InsnNode(RETURN));
    method.instructions.add(initListener);
    method.instructions.add(new FrameNode(F_SAME, 0, null, 0, null));
    method.instructions.add(new TypeInsnNode(NEW, tList.getInternalName()));
    method.instructions.add(new InsnNode(DUP));
    method.instructions.add(new VarInsnNode(ALOAD, 0));
    method.instructions.add(new MethodInsnNode(INVOKESPECIAL, tSuper.getInternalName(), "getListenerList", listDescM, false));
    method.instructions.add(new MethodInsnNode(INVOKESPECIAL, tList.getInternalName(), "<init>", getMethodDescriptor(VOID_TYPE, tList), false));
    method.instructions.add(new FieldInsnNode(PUTSTATIC, classNode.name, "LISTENER_LIST", listDesc));
    method.instructions.add(new InsnNode(RETURN));
    classNode.methods.add(method);
    /*Add:
         *      public ListenerList getListenerList()
         *      {
         *              return this.LISTENER_LIST;
         *      }
         */
    method = new MethodNode(ACC_PUBLIC, "getListenerList", listDescM, null, null);
    method.instructions.add(new FieldInsnNode(GETSTATIC, classNode.name, "LISTENER_LIST", listDesc));
    method.instructions.add(new InsnNode(ARETURN));
    classNode.methods.add(method);
    return true;
}

Example 3 with Event

use of net.minecraftforge.fml.common.eventhandler.Event in project malmo by Microsoft.

the class AbsoluteMovementCommandsImplementation method sendChanges.

private void sendChanges() {
    EntityPlayerSP player = Minecraft.getMinecraft().thePlayer;
    if (player == null)
        return;
    // Send any changes requested over the wire to the server:
    double x = this.setX ? this.x : 0;
    double y = this.setY ? this.y : 0;
    double z = this.setZ ? this.z : 0;
    float yaw = this.setYaw ? this.rotationYaw : 0;
    float pitch = this.setPitch ? this.rotationPitch : 0;
    if (this.setX || this.setY || this.setZ || this.setYaw || this.setPitch) {
        MalmoMod.network.sendToServer(new TeleportMessage(x, y, z, yaw, pitch, this.setX, this.setY, this.setZ, this.setYaw, this.setPitch));
        if (this.setYaw || this.setPitch) {
            // Send a message that the ContinuousMovementCommands can pick up on:
            Event event = new CommandForWheeledRobotNavigationImplementation.ResetPitchAndYawEvent(this.setYaw, this.rotationYaw, this.setPitch, this.rotationPitch);
            MinecraftForge.EVENT_BUS.post(event);
        }
        this.setX = this.setY = this.setZ = this.setYaw = this.setPitch = false;
    }
}

Example 4 with Event

use of net.minecraftforge.fml.common.eventhandler.Event in project minecolonies by Minecolonies.

the class ColonyPermissionEventHandler method on.

/**
     * ExplosionEvent.Detonate handler.
     *
     * @param event ExplosionEvent.Detonate
     */
@SubscribeEvent
public void on(final ExplosionEvent.Detonate event) {
    if (!Configurations.enableColonyProtection || !Configurations.turnOffExplosionsInColonies) {
        return;
    }
    final World eventWorld = event.getWorld();
    final Predicate<BlockPos> getBlocksInColony = pos -> colony.isCoordInColony(eventWorld, pos);
    final Predicate<Entity> getEntitiesInColony = entity -> colony.isCoordInColony(entity.getEntityWorld(), entity.getPosition());
    // if block is in colony -> remove from list
    final List<BlockPos> blocksToRemove = event.getAffectedBlocks().stream().filter(getBlocksInColony).collect(Collectors.toList());
    // if entity is in colony -> remove from list
    final List<Entity> entitiesToRemove = event.getAffectedEntities().stream().filter(getEntitiesInColony).collect(Collectors.toList());
    event.getAffectedBlocks().removeAll(blocksToRemove);
    event.getAffectedEntities().removeAll(entitiesToRemove);
}

Example 5 with Event

use of net.minecraftforge.fml.common.eventhandler.Event in project Railcraft by Railcraft.

the class MinecartHooks method onMinecartUpdate.

@SuppressWarnings("unused")
@SubscribeEvent
public void onMinecartUpdate(MinecartUpdateEvent event) {
    EntityMinecart cart = event.getMinecart();
    NBTTagCompound data = cart.getEntityData();
    // Fix flip
    float distance = MathTools.getDistanceBetweenAngles(cart.rotationYaw, cart.prevRotationYaw);
    float cutoff = 120F;
    if (distance < -cutoff || distance >= cutoff) {
        cart.rotationYaw += 180.0F;
        boolean reverse = ObfuscationReflectionHelper.getPrivateValue(EntityMinecart.class, cart, IS_REVERSED_VARIABLE_INDEX);
        ObfuscationReflectionHelper.setPrivateValue(EntityMinecart.class, cart, !reverse, IS_REVERSED_VARIABLE_INDEX);
        cart.rotationYaw = cart.rotationYaw % 360.0F;
    }
    //        } else
    if (data.getBoolean("ghost")) {
        cart.setGlowing(false);
        data.setBoolean("ghost", false);
    }
    // Code Added by Yopu to replace vanilla carts, deemed incomplete and unnecessary, pursuing other solutions
    //        if (classReplacements.containsKey(cart.getClass())) {
    //            cart.setDead();
    //            if (Game.isHost(cart.worldObj)) {
    //                EnumCart enumCart = classReplacements.get(cart.getClass());
    //                GameProfile cartOwner = CartTools.getCartOwner(cart);
    //                int x = MathHelper.floor_double(cart.posX);
    //                int y = MathHelper.floor_double(cart.posY);
    //                int z = MathHelper.floor_double(cart.posZ);
    //                CartUtils.placeCart(enumCart, cartOwner, enumCart.getCartItem(), cart.worldObj, x, y, z);
    //            }
    //            return;
    //        }
    Block block = WorldPlugin.getBlock(cart.worldObj, event.getPos());
    int launched = data.getInteger("Launched");
    if (TrackTools.isRailBlock(block)) {
        cart.fallDistance = 0;
        if (cart.isBeingRidden())
            cart.getPassengers().forEach(p -> p.fallDistance = 0);
        if (launched > 1)
            land(cart);
    } else if (launched == 1) {
        data.setInteger("Launched", 2);
        cart.setCanUseRail(true);
    } else if (launched > 1 && (cart.onGround || cart.isInsideOfMaterial(Material.CIRCUITS)))
        land(cart);
    int mountPrevention = data.getInteger("MountPrevention");
    if (mountPrevention > 0) {
        mountPrevention--;
        data.setInteger("MountPrevention", mountPrevention);
    }
    byte elevator = data.getByte("elevator");
    if (elevator < BlockTrackElevator.ELEVATOR_TIMER) {
        cart.setNoGravity(false);
    }
    if (elevator > 0) {
        elevator--;
        data.setByte("elevator", elevator);
    }
    byte derail = data.getByte("derail");
    if (derail > 0) {
        derail--;
        data.setByte("derail", derail);
    }
    if (data.getBoolean("explode")) {
        cart.getEntityData().setBoolean("explode", false);
        CartTools.explodeCart(cart);
    }
    if (data.getBoolean(CartTools.HIGH_SPEED_TAG))
        if (CartTools.cartVelocityIsLessThan(cart, HighSpeedTools.SPEED_CUTOFF))
            data.setBoolean(CartTools.HIGH_SPEED_TAG, false);
        else if (data.getInteger("Launched") == 0)
            HighSpeedTools.checkSafetyAndExplode(cart.worldObj, event.getPos(), cart);
    cart.motionX = Math.copySign(Math.min(Math.abs(cart.motionX), 9.5), cart.motionX);
    cart.motionY = Math.copySign(Math.min(Math.abs(cart.motionY), 9.5), cart.motionY);
    cart.motionZ = Math.copySign(Math.min(Math.abs(cart.motionZ), 9.5), cart.motionZ);
//        List entities = cart.worldObj.getEntitiesWithinAABB(EntityLiving.class, getMinecartCollisionBox(cart, COLLISION_EXPANSION));
//
//        if (entities != null) {
//            for (Entity entity : (List<Entity>) entities) {
//                if (entity != cart.riddenByEntity && entity.canBePushed()) {
//                    cart.applyEntityCollision(entity);
//                }
//            }
//        }
}