Examples with CPacketAnimation net.minecraft.network.play.client.CPacketAnimation used on opensource projects

Example 1 with CPacketAnimation

use of net.minecraft.network.play.client.CPacketAnimation in project SpongeCommon by SpongePowered.

the class PacketUtil method firePreEvents.

private static boolean firePreEvents(Packet<?> packetIn, EntityPlayerMP playerMP) {
    if (packetIn instanceof CPacketAnimation) {
        CPacketAnimation packet = (CPacketAnimation) packetIn;
        SpongeCommonEventFactory.lastAnimationPacketTick = SpongeImpl.getServer().getTickCounter();
        SpongeCommonEventFactory.lastAnimationPlayer = new WeakReference<>(playerMP);
        HandType handType = packet.getHand() == EnumHand.MAIN_HAND ? HandTypes.MAIN_HAND : HandTypes.OFF_HAND;
        final ItemStack heldItem = playerMP.getHeldItem(packet.getHand());
        Sponge.getCauseStackManager().addContext(EventContextKeys.USED_ITEM, ItemStackUtil.snapshotOf(heldItem));
        AnimateHandEvent event = SpongeEventFactory.createAnimateHandEvent(Sponge.getCauseStackManager().getCurrentCause(), handType, (Humanoid) playerMP);
        if (SpongeImpl.postEvent(event)) {
            return true;
        }
        return false;
    } else if (packetIn instanceof CPacketPlayerDigging) {
        SpongeCommonEventFactory.lastPrimaryPacketTick = SpongeImpl.getServer().getTickCounter();
        CPacketPlayerDigging packet = (CPacketPlayerDigging) packetIn;
        ItemStack stack = playerMP.getHeldItemMainhand();
        Sponge.getCauseStackManager().addContext(EventContextKeys.USED_ITEM, ItemStackUtil.snapshotOf(stack));
        switch(packet.getAction()) {
            case DROP_ITEM:
            case DROP_ALL_ITEMS:
                if (!stack.isEmpty() && !playerMP.isSpectator()) {
                    ((IMixinEntityPlayerMP) playerMP).setPacketItem(stack.copy());
                }
                return false;
            case START_DESTROY_BLOCK:
            case ABORT_DESTROY_BLOCK:
            case STOP_DESTROY_BLOCK:
                final BlockPos pos = packet.getPosition();
                final Vector3d interactionPoint = VecHelper.toVector3d(pos);
                final BlockSnapshot blockSnapshot = new Location<>((World) playerMP.world, interactionPoint).createSnapshot();
                final RayTraceResult result = SpongeImplHooks.rayTraceEyes(playerMP, SpongeImplHooks.getBlockReachDistance(playerMP));
                if (SpongeCommonEventFactory.callInteractItemEventPrimary(playerMP, stack, EnumHand.MAIN_HAND, result == null ? null : VecHelper.toVector3d(result.hitVec), blockSnapshot).isCancelled()) {
                    ((IMixinEntityPlayerMP) playerMP).sendBlockChange(pos, playerMP.world.getBlockState(pos));
                    return true;
                }
                double d0 = playerMP.posX - ((double) pos.getX() + 0.5D);
                double d1 = playerMP.posY - ((double) pos.getY() + 0.5D) + 1.5D;
                double d2 = playerMP.posZ - ((double) pos.getZ() + 0.5D);
                double d3 = d0 * d0 + d1 * d1 + d2 * d2;
                double dist = SpongeImplHooks.getBlockReachDistance(playerMP) + 1;
                dist *= dist;
                if (d3 > dist) {
                    return true;
                } else if (pos.getY() >= SpongeImpl.getServer().getBuildLimit()) {
                    return true;
                }
                if (packet.getAction() == CPacketPlayerDigging.Action.START_DESTROY_BLOCK) {
                    if (SpongeCommonEventFactory.callInteractBlockEventPrimary(playerMP, blockSnapshot, EnumHand.MAIN_HAND, packet.getFacing(), result == null ? null : VecHelper.toVector3d(result.hitVec)).isCancelled()) {
                        ((IMixinEntityPlayerMP) playerMP).sendBlockChange(pos, playerMP.world.getBlockState(pos));
                        return true;
                    }
                }
                return false;
            default:
                break;
        }
    } else if (packetIn instanceof CPacketPlayerTryUseItem) {
        CPacketPlayerTryUseItem packet = (CPacketPlayerTryUseItem) packetIn;
        SpongeCommonEventFactory.lastSecondaryPacketTick = SpongeImpl.getServer().getTickCounter();
        long packetDiff = System.currentTimeMillis() - lastTryBlockPacketTimeStamp;
        // If the time between packets is small enough, use the last result.
        if (packetDiff < 100) {
            // Use previous result and avoid firing a second event
            return lastTryBlockPacketItemResult;
        }
        final ItemStack heldItem = playerMP.getHeldItem(packet.getHand());
        Sponge.getCauseStackManager().addContext(EventContextKeys.USED_ITEM, ItemStackUtil.snapshotOf(heldItem));
        final RayTraceResult result = SpongeImplHooks.rayTraceEyes(playerMP, SpongeImplHooks.getBlockReachDistance(playerMP));
        final boolean isCancelled = SpongeCommonEventFactory.callInteractItemEventSecondary(playerMP, heldItem, packet.getHand(), result == null ? null : VecHelper.toVector3d(result.hitVec), BlockSnapshot.NONE).isCancelled();
        SpongeCommonEventFactory.callInteractBlockEventSecondary(playerMP, heldItem, result == null ? null : VecHelper.toVector3d(result.hitVec), BlockSnapshot.NONE, Direction.NONE, packet.getHand());
        if (isCancelled) {
            // Multiple slots may have been changed on the client. Right
            // clicking armor is one example - the client changes it
            // without the server telling it to.
            playerMP.sendAllContents(playerMP.openContainer, playerMP.openContainer.getInventory());
            return true;
        }
    } else if (packetIn instanceof CPacketPlayerTryUseItemOnBlock) {
        CPacketPlayerTryUseItemOnBlock packet = (CPacketPlayerTryUseItemOnBlock) packetIn;
        lastTryBlockPacketTimeStamp = System.currentTimeMillis();
        SpongeCommonEventFactory.lastSecondaryPacketTick = SpongeImpl.getServer().getTickCounter();
        Vector3d interactionPoint = VecHelper.toVector3d(packet.getPos());
        final RayTraceResult result = SpongeImplHooks.rayTraceEyes(playerMP, SpongeImplHooks.getBlockReachDistance(playerMP));
        BlockSnapshot blockSnapshot = new Location<>((World) playerMP.world, interactionPoint).createSnapshot();
        final ItemStack heldItem = playerMP.getHeldItem(packet.getHand());
        Sponge.getCauseStackManager().addContext(EventContextKeys.USED_ITEM, ItemStackUtil.snapshotOf(heldItem));
        boolean isCancelled = SpongeCommonEventFactory.callInteractItemEventSecondary(playerMP, heldItem, packet.getHand(), result == null ? null : VecHelper.toVector3d(result.hitVec), blockSnapshot).isCancelled();
        lastTryBlockPacketItemResult = isCancelled;
        if (isCancelled) {
            // update client
            BlockPos pos = packet.getPos();
            playerMP.connection.sendPacket(new SPacketBlockChange(playerMP.world, pos));
            playerMP.connection.sendPacket(new SPacketBlockChange(playerMP.world, pos.offset(packet.getDirection())));
            // See above
            playerMP.sendAllContents(playerMP.openContainer, playerMP.openContainer.getInventory());
            return true;
        }
    }
    return false;
}