332 lines
12 KiB
Java
332 lines
12 KiB
Java
package net.minecraft.item;
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import java.util.List;
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import java.util.UUID;
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import javax.annotation.Nullable;
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import net.minecraft.block.Block;
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import net.minecraft.block.BlockLiquid;
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import net.minecraft.block.state.IBlockState;
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import net.minecraft.creativetab.CreativeTabs;
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import net.minecraft.entity.Entity;
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import net.minecraft.entity.EntityList;
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import net.minecraft.entity.EntityLiving;
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import net.minecraft.entity.EntityLivingBase;
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import net.minecraft.entity.IEntityLivingData;
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import net.minecraft.entity.player.EntityPlayer;
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import net.minecraft.init.Blocks;
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import net.minecraft.nbt.NBTTagCompound;
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import net.minecraft.server.MinecraftServer;
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import net.minecraft.stats.StatList;
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import net.minecraft.tileentity.MobSpawnerBaseLogic;
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import net.minecraft.tileentity.TileEntity;
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import net.minecraft.tileentity.TileEntityMobSpawner;
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import net.minecraft.util.ActionResult;
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import net.minecraft.util.EnumActionResult;
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import net.minecraft.util.EnumFacing;
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import net.minecraft.util.EnumHand;
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import net.minecraft.util.NonNullList;
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import net.minecraft.util.ResourceLocation;
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import net.minecraft.util.math.AxisAlignedBB;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.util.math.MathHelper;
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import net.minecraft.util.math.RayTraceResult;
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import net.minecraft.util.text.translation.I18n;
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import net.minecraft.world.World;
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public class ItemMonsterPlacer extends Item
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{
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public ItemMonsterPlacer()
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{
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this.setCreativeTab(CreativeTabs.MISC);
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}
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public String getItemStackDisplayName(ItemStack stack)
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{
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String s = ("" + I18n.translateToLocal(this.getUnlocalizedName() + ".name")).trim();
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String s1 = EntityList.getTranslationName(getNamedIdFrom(stack));
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if (s1 != null)
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{
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s = s + " " + I18n.translateToLocal("entity." + s1 + ".name");
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}
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return s;
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}
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/**
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* Called when a Block is right-clicked with this Item
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*/
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public EnumActionResult onItemUse(EntityPlayer player, World worldIn, BlockPos pos, EnumHand hand, EnumFacing facing, float hitX, float hitY, float hitZ)
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{
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ItemStack itemstack = player.getHeldItem(hand);
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if (worldIn.isRemote)
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{
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return EnumActionResult.SUCCESS;
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}
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else if (!player.canPlayerEdit(pos.offset(facing), facing, itemstack))
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{
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return EnumActionResult.FAIL;
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}
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else
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{
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IBlockState iblockstate = worldIn.getBlockState(pos);
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Block block = iblockstate.getBlock();
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if (block == Blocks.MOB_SPAWNER)
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{
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TileEntity tileentity = worldIn.getTileEntity(pos);
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if (tileentity instanceof TileEntityMobSpawner)
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{
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MobSpawnerBaseLogic mobspawnerbaselogic = ((TileEntityMobSpawner)tileentity).getSpawnerBaseLogic();
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mobspawnerbaselogic.setEntityId(getNamedIdFrom(itemstack));
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tileentity.markDirty();
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worldIn.notifyBlockUpdate(pos, iblockstate, iblockstate, 3);
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if (!player.capabilities.isCreativeMode)
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{
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itemstack.shrink(1);
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}
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return EnumActionResult.SUCCESS;
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}
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}
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BlockPos blockpos = pos.offset(facing);
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double d0 = this.getYOffset(worldIn, blockpos);
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Entity entity = spawnCreature(worldIn, getNamedIdFrom(itemstack), (double)blockpos.getX() + 0.5D, (double)blockpos.getY() + d0, (double)blockpos.getZ() + 0.5D);
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if (entity != null)
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{
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if (entity instanceof EntityLivingBase && itemstack.hasDisplayName())
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{
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entity.setCustomNameTag(itemstack.getDisplayName());
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}
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applyItemEntityDataToEntity(worldIn, player, itemstack, entity);
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if (!player.capabilities.isCreativeMode)
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{
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itemstack.shrink(1);
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}
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}
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return EnumActionResult.SUCCESS;
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}
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}
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protected double getYOffset(World p_190909_1_, BlockPos p_190909_2_)
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{
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AxisAlignedBB axisalignedbb = (new AxisAlignedBB(p_190909_2_)).expand(0.0D, -1.0D, 0.0D);
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List<AxisAlignedBB> list = p_190909_1_.getCollisionBoxes((Entity)null, axisalignedbb);
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if (list.isEmpty())
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{
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return 0.0D;
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}
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else
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{
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double d0 = axisalignedbb.minY;
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for (AxisAlignedBB axisalignedbb1 : list)
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{
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d0 = Math.max(axisalignedbb1.maxY, d0);
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}
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return d0 - (double)p_190909_2_.getY();
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}
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}
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/**
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* Applies the data in the EntityTag tag of the given ItemStack to the given Entity.
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*/
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public static void applyItemEntityDataToEntity(World entityWorld, @Nullable EntityPlayer player, ItemStack stack, @Nullable Entity targetEntity)
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{
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MinecraftServer minecraftserver = entityWorld.getMinecraftServer();
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if (minecraftserver != null && targetEntity != null)
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{
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NBTTagCompound nbttagcompound = stack.getTagCompound();
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if (nbttagcompound != null && nbttagcompound.hasKey("EntityTag", 10))
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{
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if (!entityWorld.isRemote && targetEntity.ignoreItemEntityData() && (player == null || !minecraftserver.getPlayerList().canSendCommands(player.getGameProfile())))
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{
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return;
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}
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NBTTagCompound nbttagcompound1 = targetEntity.writeToNBT(new NBTTagCompound());
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UUID uuid = targetEntity.getUniqueID();
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nbttagcompound1.merge(nbttagcompound.getCompoundTag("EntityTag"));
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targetEntity.setUniqueId(uuid);
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targetEntity.readFromNBT(nbttagcompound1);
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}
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}
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}
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/**
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* Called when the equipped item is right clicked.
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*/
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public ActionResult<ItemStack> onItemRightClick(World worldIn, EntityPlayer playerIn, EnumHand handIn)
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{
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ItemStack itemstack = playerIn.getHeldItem(handIn);
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if (worldIn.isRemote)
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{
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return new ActionResult<ItemStack>(EnumActionResult.PASS, itemstack);
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}
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else
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{
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RayTraceResult raytraceresult = this.rayTrace(worldIn, playerIn, true);
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if (raytraceresult != null && raytraceresult.typeOfHit == RayTraceResult.Type.BLOCK)
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{
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BlockPos blockpos = raytraceresult.getBlockPos();
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if (!(worldIn.getBlockState(blockpos).getBlock() instanceof BlockLiquid))
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{
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return new ActionResult<ItemStack>(EnumActionResult.PASS, itemstack);
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}
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else if (worldIn.isBlockModifiable(playerIn, blockpos) && playerIn.canPlayerEdit(blockpos, raytraceresult.sideHit, itemstack))
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{
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Entity entity = spawnCreature(worldIn, getNamedIdFrom(itemstack), (double)blockpos.getX() + 0.5D, (double)blockpos.getY() + 0.5D, (double)blockpos.getZ() + 0.5D);
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if (entity == null)
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{
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return new ActionResult<ItemStack>(EnumActionResult.PASS, itemstack);
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}
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else
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{
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if (entity instanceof EntityLivingBase && itemstack.hasDisplayName())
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{
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entity.setCustomNameTag(itemstack.getDisplayName());
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}
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applyItemEntityDataToEntity(worldIn, playerIn, itemstack, entity);
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if (!playerIn.capabilities.isCreativeMode)
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{
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itemstack.shrink(1);
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}
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playerIn.addStat(StatList.getObjectUseStats(this));
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return new ActionResult<ItemStack>(EnumActionResult.SUCCESS, itemstack);
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}
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}
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else
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{
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return new ActionResult<ItemStack>(EnumActionResult.FAIL, itemstack);
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}
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}
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else
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{
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return new ActionResult<ItemStack>(EnumActionResult.PASS, itemstack);
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}
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}
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}
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/**
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* Spawns the creature specified by the egg's type in the location specified by the last three parameters.
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* Parameters: world, entityID, x, y, z.
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*/
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@Nullable
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public static Entity spawnCreature(World worldIn, @Nullable ResourceLocation entityID, double x, double y, double z)
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{
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if (entityID != null && EntityList.ENTITY_EGGS.containsKey(entityID))
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{
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Entity entity = null;
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for (int i = 0; i < 1; ++i)
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{
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entity = EntityList.createEntityByIDFromName(entityID, worldIn);
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if (entity instanceof EntityLiving)
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{
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EntityLiving entityliving = (EntityLiving)entity;
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entity.setLocationAndAngles(x, y, z, MathHelper.wrapDegrees(worldIn.rand.nextFloat() * 360.0F), 0.0F);
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entityliving.rotationYawHead = entityliving.rotationYaw;
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entityliving.renderYawOffset = entityliving.rotationYaw;
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entityliving.onInitialSpawn(worldIn.getDifficultyForLocation(new BlockPos(entityliving)), (IEntityLivingData)null);
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worldIn.spawnEntity(entity);
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entityliving.playLivingSound();
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}
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}
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return entity;
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}
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else
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{
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return null;
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}
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}
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/**
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* returns a list of items with the same ID, but different meta (eg: dye returns 16 items)
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*/
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public void getSubItems(CreativeTabs tab, NonNullList<ItemStack> items)
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{
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if (this.isInCreativeTab(tab))
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{
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for (EntityList.EntityEggInfo entitylist$entityegginfo : EntityList.ENTITY_EGGS.values())
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{
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ItemStack itemstack = new ItemStack(this, 1);
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applyEntityIdToItemStack(itemstack, entitylist$entityegginfo.spawnedID);
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items.add(itemstack);
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}
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}
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}
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/**
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* APplies the given entity ID to the given ItemStack's NBT data.
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*/
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public static void applyEntityIdToItemStack(ItemStack stack, ResourceLocation entityId)
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{
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NBTTagCompound nbttagcompound = stack.hasTagCompound() ? stack.getTagCompound() : new NBTTagCompound();
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NBTTagCompound nbttagcompound1 = new NBTTagCompound();
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nbttagcompound1.setString("id", entityId.toString());
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nbttagcompound.setTag("EntityTag", nbttagcompound1);
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stack.setTagCompound(nbttagcompound);
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}
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/**
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* Gets the entity type ID from the given itemstack.
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*
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* @return The type ID, or {@code null} if there is no valid tag on the item.
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*/
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@Nullable
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public static ResourceLocation getNamedIdFrom(ItemStack stack)
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{
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NBTTagCompound nbttagcompound = stack.getTagCompound();
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if (nbttagcompound == null)
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{
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return null;
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}
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else if (!nbttagcompound.hasKey("EntityTag", 10))
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{
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return null;
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}
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else
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{
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NBTTagCompound nbttagcompound1 = nbttagcompound.getCompoundTag("EntityTag");
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if (!nbttagcompound1.hasKey("id", 8))
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{
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return null;
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}
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else
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{
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String s = nbttagcompound1.getString("id");
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ResourceLocation resourcelocation = new ResourceLocation(s);
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if (!s.contains(":"))
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{
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nbttagcompound1.setString("id", resourcelocation.toString());
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}
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return resourcelocation;
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}
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}
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}
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} |