ActuallyAdditions/src/main/java/de/ellpeck/actuallyadditions/mod/items/ItemWaterBowl.java

package de.ellpeck.actuallyadditions.mod.items;

import de.ellpeck.actuallyadditions.mod.config.values.ConfigBoolValues;
import de.ellpeck.actuallyadditions.mod.items.base.ItemBase;
import de.ellpeck.actuallyadditions.mod.util.StackUtil;
import de.ellpeck.actuallyadditions.mod.util.WorldUtil;
import net.minecraft.block.Block;
import net.minecraft.block.BlockLiquid;
import net.minecraft.block.material.Material;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.Entity;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.init.SoundEvents;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.ActionResult;
import net.minecraft.util.EnumActionResult;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumHand;
import net.minecraft.util.EnumParticleTypes;
import net.minecraft.util.SoundCategory;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.RayTraceResult;
import net.minecraft.world.World;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.ForgeEventFactory;
import net.minecraftforge.event.entity.player.PlayerInteractEvent;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;

public class ItemWaterBowl extends ItemBase {

    public ItemWaterBowl(String name) {
        super(name);
        this.setMaxStackSize(1);

        MinecraftForge.EVENT_BUS.register(this);
    }

    @SubscribeEvent
    public void onPlayerInteractEvent(PlayerInteractEvent.RightClickItem event) {
        if (event.getWorld() != null) {
            if (ConfigBoolValues.WATER_BOWL.isEnabled()) {
                if (StackUtil.isValid(event.getItemStack()) && event.getItemStack().getItem() == Items.BOWL) {
                    RayTraceResult trace = WorldUtil.getNearestBlockWithDefaultReachDistance(event.getWorld(), event.getEntityPlayer(), true, false, false);
                    ActionResult<ItemStack> result = ForgeEventFactory.onBucketUse(event.getEntityPlayer(), event.getWorld(), event.getItemStack(), trace);
                    if (result == null && trace != null && trace.getBlockPos() != null) {
                        if (event.getEntityPlayer().canPlayerEdit(trace.getBlockPos().offset(trace.sideHit), trace.sideHit, event.getItemStack())) {
                            IBlockState state = event.getWorld().getBlockState(trace.getBlockPos());
                            Block block = state.getBlock();

                            if ((block == Blocks.WATER || block == Blocks.FLOWING_WATER) && state.getValue(BlockLiquid.LEVEL) == 0) {
                                event.getEntityPlayer().playSound(SoundEvents.ITEM_BUCKET_FILL, 1.0F, 1.0F);

                                if (!event.getWorld().isRemote) {
                                    event.getWorld().setBlockState(trace.getBlockPos(), Blocks.AIR.getDefaultState(), 11);
                                    ItemStack reduced = StackUtil.shrink(event.getItemStack(), 1);

                                    ItemStack bowl = new ItemStack(InitItems.itemWaterBowl);
                                    if (!StackUtil.isValid(reduced)) {
                                        event.getEntityPlayer().setHeldItem(event.getHand(), bowl);
                                    } else if (!event.getEntityPlayer().inventory.addItemStackToInventory(bowl.copy())) {
                                        EntityItem entityItem = new EntityItem(event.getWorld(), event.getEntityPlayer().posX, event.getEntityPlayer().posY, event.getEntityPlayer().posZ, bowl.copy());
                                        entityItem.setPickupDelay(0);
                                        event.getWorld().spawnEntity(entityItem);
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }

    @Override
    public ActionResult<ItemStack> onItemRightClick(World world, EntityPlayer player, EnumHand hand) {
        ItemStack stack = player.getHeldItem(hand);

        RayTraceResult trace = WorldUtil.getNearestBlockWithDefaultReachDistance(world, player);
        ActionResult<ItemStack> result = ForgeEventFactory.onBucketUse(player, world, stack, trace);
        if (result != null) { return result; }

        if (trace == null) {
            return new ActionResult<>(EnumActionResult.PASS, stack);
        } else if (trace.typeOfHit != RayTraceResult.Type.BLOCK) {
            return new ActionResult<>(EnumActionResult.PASS, stack);
        } else {
            BlockPos pos = trace.getBlockPos();

            if (!world.isBlockModifiable(player, pos)) {
                return new ActionResult<>(EnumActionResult.FAIL, stack);
            } else {
                BlockPos pos1 = world.getBlockState(pos).getBlock().isReplaceable(world, pos) && trace.sideHit == EnumFacing.UP ? pos : pos.offset(trace.sideHit);

                if (!player.canPlayerEdit(pos1, trace.sideHit, stack)) {
                    return new ActionResult<>(EnumActionResult.FAIL, stack);
                } else if (this.tryPlaceContainedLiquid(player, world, pos1, false)) {
                    return !player.capabilities.isCreativeMode ? new ActionResult<>(EnumActionResult.SUCCESS, new ItemStack(Items.BOWL)) : new ActionResult<>(EnumActionResult.SUCCESS, stack);
                } else {
                    return new ActionResult<>(EnumActionResult.FAIL, stack);
                }
            }
        }
    }

    @Override
    public void onUpdate(ItemStack stack, World world, Entity entity, int itemSlot, boolean isSelected) {
        if (!world.isRemote) {
            if (ConfigBoolValues.WATER_BOWL_LOSS.isEnabled()) {
                if (world.getTotalWorldTime() % 10 == 0 && world.rand.nextFloat() >= 0.5F) {
                    int lastX = 0;
                    int lastY = 0;

                    if (stack.hasTagCompound()) {
                        NBTTagCompound compound = stack.getTagCompound();
                        lastX = compound.getInteger("lastX");
                        lastY = compound.getInteger("lastY");
                    }

                    boolean change = false;
                    if (lastX != 0 && lastX != (int) entity.posX || lastY != 0 && lastY != (int) entity.posY) {
                        if (!entity.isSneaking()) {
                            if (entity instanceof EntityPlayer) {
                                EntityPlayer player = (EntityPlayer) entity;
                                if (this.tryPlaceContainedLiquid(player, world, player.getPosition(), true)) {
                                    this.checkReplace(player, stack, new ItemStack(Items.BOWL), itemSlot);
                                }
                            }
                        }
                        change = true;
                    }

                    if (change || lastX == 0 || lastY == 0) {
                        if (!stack.hasTagCompound()) {
                            stack.setTagCompound(new NBTTagCompound());
                        }

                        NBTTagCompound compound = stack.getTagCompound();
                        compound.setInteger("lastX", (int) entity.posX);
                        compound.setInteger("lastY", (int) entity.posY);
                    }
                }
            }
        }
    }

    private void checkReplace(EntityPlayer player, ItemStack old, ItemStack stack, int slot) {
        if (player.inventory.getStackInSlot(slot) == old) player.inventory.setInventorySlotContents(slot, stack);
        else if (player.inventory.offHandInventory.get(slot) == old) player.inventory.offHandInventory.set(slot, stack);
    }

    @Override
    public boolean shouldCauseReequipAnimation(ItemStack oldStack, ItemStack newStack, boolean slotChanged) {
        return !ItemStack.areItemsEqual(oldStack, newStack);
    }

    public boolean tryPlaceContainedLiquid(EntityPlayer player, World world, BlockPos pos, boolean finite) {
        IBlockState state = world.getBlockState(pos);
        Material material = state.getMaterial();
        boolean nonSolid = !material.isSolid();
        boolean replaceable = state.getBlock().isReplaceable(world, pos);

        if (!world.isAirBlock(pos) && !nonSolid && !replaceable) {
            return false;
        } else {
            if (world.provider.doesWaterVaporize()) {
                world.playSound(player, pos, SoundEvents.BLOCK_FIRE_EXTINGUISH, SoundCategory.BLOCKS, 0.5F, 2.6F + (world.rand.nextFloat() - world.rand.nextFloat()) * 0.8F);

                for (int k = 0; k < 8; k++) {
                    world.spawnParticle(EnumParticleTypes.SMOKE_LARGE, pos.getX() + Math.random(), pos.getY() + Math.random(), pos.getZ() + Math.random(), 0.0D, 0.0D, 0.0D);
                }
            } else {
                if (!world.isRemote && (nonSolid || replaceable) && !material.isLiquid()) {
                    world.destroyBlock(pos, true);
                }

                world.playSound(player, pos, SoundEvents.ITEM_BUCKET_EMPTY, SoundCategory.BLOCKS, 1.0F, 1.0F);

                IBlockState placeState;
                if (finite) {
                    placeState = Blocks.FLOWING_WATER.getDefaultState();
                } else {
                    placeState = Blocks.FLOWING_WATER.getDefaultState();
                }
                world.setBlockState(pos, placeState, 3);
            }

            return true;
        }
    }
}