001package net.minecraft.item;
002
003import java.util.List;
004import net.minecraft.block.Block;
005import net.minecraft.creativetab.CreativeTabs;
006import net.minecraft.entity.Entity;
007import net.minecraft.entity.item.EntityBoat;
008import net.minecraft.entity.player.EntityPlayer;
009import net.minecraft.util.AxisAlignedBB;
010import net.minecraft.util.EnumMovingObjectType;
011import net.minecraft.util.MathHelper;
012import net.minecraft.util.MovingObjectPosition;
013import net.minecraft.util.Vec3;
014import net.minecraft.world.World;
015
016public class ItemBoat extends Item
017{
018    public ItemBoat(int par1)
019    {
020        super(par1);
021        this.maxStackSize = 1;
022        this.setCreativeTab(CreativeTabs.tabTransport);
023    }
024
025    /**
026     * Called whenever this item is equipped and the right mouse button is pressed. Args: itemStack, world, entityPlayer
027     */
028    public ItemStack onItemRightClick(ItemStack par1ItemStack, World par2World, EntityPlayer par3EntityPlayer)
029    {
030        float f = 1.0F;
031        float f1 = par3EntityPlayer.prevRotationPitch + (par3EntityPlayer.rotationPitch - par3EntityPlayer.prevRotationPitch) * f;
032        float f2 = par3EntityPlayer.prevRotationYaw + (par3EntityPlayer.rotationYaw - par3EntityPlayer.prevRotationYaw) * f;
033        double d0 = par3EntityPlayer.prevPosX + (par3EntityPlayer.posX - par3EntityPlayer.prevPosX) * (double)f;
034        double d1 = par3EntityPlayer.prevPosY + (par3EntityPlayer.posY - par3EntityPlayer.prevPosY) * (double)f + 1.62D - (double)par3EntityPlayer.yOffset;
035        double d2 = par3EntityPlayer.prevPosZ + (par3EntityPlayer.posZ - par3EntityPlayer.prevPosZ) * (double)f;
036        Vec3 vec3 = par2World.getWorldVec3Pool().getVecFromPool(d0, d1, d2);
037        float f3 = MathHelper.cos(-f2 * 0.017453292F - (float)Math.PI);
038        float f4 = MathHelper.sin(-f2 * 0.017453292F - (float)Math.PI);
039        float f5 = -MathHelper.cos(-f1 * 0.017453292F);
040        float f6 = MathHelper.sin(-f1 * 0.017453292F);
041        float f7 = f4 * f5;
042        float f8 = f3 * f5;
043        double d3 = 5.0D;
044        Vec3 vec31 = vec3.addVector((double)f7 * d3, (double)f6 * d3, (double)f8 * d3);
045        MovingObjectPosition movingobjectposition = par2World.rayTraceBlocks_do(vec3, vec31, true);
046
047        if (movingobjectposition == null)
048        {
049            return par1ItemStack;
050        }
051        else
052        {
053            Vec3 vec32 = par3EntityPlayer.getLook(f);
054            boolean flag = false;
055            float f9 = 1.0F;
056            List list = par2World.getEntitiesWithinAABBExcludingEntity(par3EntityPlayer, par3EntityPlayer.boundingBox.addCoord(vec32.xCoord * d3, vec32.yCoord * d3, vec32.zCoord * d3).expand((double)f9, (double)f9, (double)f9));
057            int i;
058
059            for (i = 0; i < list.size(); ++i)
060            {
061                Entity entity = (Entity)list.get(i);
062
063                if (entity.canBeCollidedWith())
064                {
065                    float f10 = entity.getCollisionBorderSize();
066                    AxisAlignedBB axisalignedbb = entity.boundingBox.expand((double)f10, (double)f10, (double)f10);
067
068                    if (axisalignedbb.isVecInside(vec3))
069                    {
070                        flag = true;
071                    }
072                }
073            }
074
075            if (flag)
076            {
077                return par1ItemStack;
078            }
079            else
080            {
081                if (movingobjectposition.typeOfHit == EnumMovingObjectType.TILE)
082                {
083                    i = movingobjectposition.blockX;
084                    int j = movingobjectposition.blockY;
085                    int k = movingobjectposition.blockZ;
086
087                    if (par2World.getBlockId(i, j, k) == Block.snow.blockID)
088                    {
089                        --j;
090                    }
091
092                    EntityBoat entityboat = new EntityBoat(par2World, (double)((float)i + 0.5F), (double)((float)j + 1.0F), (double)((float)k + 0.5F));
093                    entityboat.rotationYaw = (float)(((MathHelper.floor_double((double)(par3EntityPlayer.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3) - 1) * 90);
094
095                    if (!par2World.getCollidingBoundingBoxes(entityboat, entityboat.boundingBox.expand(-0.1D, -0.1D, -0.1D)).isEmpty())
096                    {
097                        return par1ItemStack;
098                    }
099
100                    if (!par2World.isRemote)
101                    {
102                        par2World.spawnEntityInWorld(entityboat);
103                    }
104
105                    if (!par3EntityPlayer.capabilities.isCreativeMode)
106                    {
107                        --par1ItemStack.stackSize;
108                    }
109                }
110
111                return par1ItemStack;
112            }
113        }
114    }
115}