001 package net.minecraft.item;
002
003 import java.util.List;
004 import net.minecraft.block.Block;
005 import net.minecraft.creativetab.CreativeTabs;
006 import net.minecraft.entity.Entity;
007 import net.minecraft.entity.item.EntityBoat;
008 import net.minecraft.entity.player.EntityPlayer;
009 import net.minecraft.util.AxisAlignedBB;
010 import net.minecraft.util.EnumMovingObjectType;
011 import net.minecraft.util.MathHelper;
012 import net.minecraft.util.MovingObjectPosition;
013 import net.minecraft.util.Vec3;
014 import net.minecraft.world.World;
015
016 public 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 var4 = 1.0F;
031 float var5 = par3EntityPlayer.prevRotationPitch + (par3EntityPlayer.rotationPitch - par3EntityPlayer.prevRotationPitch) * var4;
032 float var6 = par3EntityPlayer.prevRotationYaw + (par3EntityPlayer.rotationYaw - par3EntityPlayer.prevRotationYaw) * var4;
033 double var7 = par3EntityPlayer.prevPosX + (par3EntityPlayer.posX - par3EntityPlayer.prevPosX) * (double)var4;
034 double var9 = par3EntityPlayer.prevPosY + (par3EntityPlayer.posY - par3EntityPlayer.prevPosY) * (double)var4 + 1.62D - (double)par3EntityPlayer.yOffset;
035 double var11 = par3EntityPlayer.prevPosZ + (par3EntityPlayer.posZ - par3EntityPlayer.prevPosZ) * (double)var4;
036 Vec3 var13 = par2World.getWorldVec3Pool().getVecFromPool(var7, var9, var11);
037 float var14 = MathHelper.cos(-var6 * 0.017453292F - (float)Math.PI);
038 float var15 = MathHelper.sin(-var6 * 0.017453292F - (float)Math.PI);
039 float var16 = -MathHelper.cos(-var5 * 0.017453292F);
040 float var17 = MathHelper.sin(-var5 * 0.017453292F);
041 float var18 = var15 * var16;
042 float var20 = var14 * var16;
043 double var21 = 5.0D;
044 Vec3 var23 = var13.addVector((double)var18 * var21, (double)var17 * var21, (double)var20 * var21);
045 MovingObjectPosition var24 = par2World.rayTraceBlocks_do(var13, var23, true);
046
047 if (var24 == null)
048 {
049 return par1ItemStack;
050 }
051 else
052 {
053 Vec3 var25 = par3EntityPlayer.getLook(var4);
054 boolean var26 = false;
055 float var27 = 1.0F;
056 List var28 = par2World.getEntitiesWithinAABBExcludingEntity(par3EntityPlayer, par3EntityPlayer.boundingBox.addCoord(var25.xCoord * var21, var25.yCoord * var21, var25.zCoord * var21).expand((double)var27, (double)var27, (double)var27));
057 int var29;
058
059 for (var29 = 0; var29 < var28.size(); ++var29)
060 {
061 Entity var30 = (Entity)var28.get(var29);
062
063 if (var30.canBeCollidedWith())
064 {
065 float var31 = var30.getCollisionBorderSize();
066 AxisAlignedBB var32 = var30.boundingBox.expand((double)var31, (double)var31, (double)var31);
067
068 if (var32.isVecInside(var13))
069 {
070 var26 = true;
071 }
072 }
073 }
074
075 if (var26)
076 {
077 return par1ItemStack;
078 }
079 else
080 {
081 if (var24.typeOfHit == EnumMovingObjectType.TILE)
082 {
083 var29 = var24.blockX;
084 int var33 = var24.blockY;
085 int var34 = var24.blockZ;
086
087 if (par2World.getBlockId(var29, var33, var34) == Block.snow.blockID)
088 {
089 --var33;
090 }
091
092 EntityBoat var35 = new EntityBoat(par2World, (double)((float)var29 + 0.5F), (double)((float)var33 + 1.0F), (double)((float)var34 + 0.5F));
093 var35.rotationYaw = (float)(((MathHelper.floor_double((double)(par3EntityPlayer.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3) - 1) * 90);
094
095 if (!par2World.getCollidingBoundingBoxes(var35, var35.boundingBox.expand(-0.1D, -0.1D, -0.1D)).isEmpty())
096 {
097 return par1ItemStack;
098 }
099
100 if (!par2World.isRemote)
101 {
102 par2World.spawnEntityInWorld(var35);
103 }
104
105 if (!par3EntityPlayer.capabilities.isCreativeMode)
106 {
107 --par1ItemStack.stackSize;
108 }
109 }
110
111 return par1ItemStack;
112 }
113 }
114 }
115 }