ItemFlagpole.java

package com.flansmod.common.teams;

import net.minecraft.block.Block;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.BlockPos;
import net.minecraft.util.MathHelper;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.util.MovingObjectPosition.MovingObjectType;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

import com.flansmod.common.FlansMod;
import com.flansmod.common.types.IFlanItem;
import com.flansmod.common.types.InfoType;

public class ItemFlagpole extends Item implements IFlanItem
{
	public ItemFlagpole() 
	{
		setCreativeTab(FlansMod.tabFlanTeams);
	}

	@Override
	public ItemStack onItemRightClick(ItemStack itemstack, World world, EntityPlayer entityplayer)
	{
        float f = 1.0F;
        float f1 = entityplayer.prevRotationPitch + (entityplayer.rotationPitch - entityplayer.prevRotationPitch) * f;
        float f2 = entityplayer.prevRotationYaw + (entityplayer.rotationYaw - entityplayer.prevRotationYaw) * f;
        double d = entityplayer.prevPosX + (entityplayer.posX - entityplayer.prevPosX) * f;
        double d1 = (entityplayer.prevPosY + (entityplayer.posY - entityplayer.prevPosY) * f + 1.6200000000000001D) - entityplayer.getYOffset();
        double d2 = entityplayer.prevPosZ + (entityplayer.posZ - entityplayer.prevPosZ) * f;
        Vec3 vec3d = new Vec3(d, d1, d2);
        float f3 = MathHelper.cos(-f2 * 0.01745329F - 3.141593F);
        float f4 = MathHelper.sin(-f2 * 0.01745329F - 3.141593F);
        float f5 = -MathHelper.cos(-f1 * 0.01745329F);
        float f6 = MathHelper.sin(-f1 * 0.01745329F);
        float f7 = f4 * f5;
        float f8 = f6;
        float f9 = f3 * f5;
        double d3 = 5D;
        Vec3 vec3d1 = vec3d.addVector(f7 * d3, f8 * d3, f9 * d3);
        MovingObjectPosition movingobjectposition = world.rayTraceBlocks(vec3d, vec3d1, true);
        if(movingobjectposition == null)
        {
            return itemstack;
        }
        if(movingobjectposition.typeOfHit == MovingObjectType.BLOCK)
        {
            BlockPos pos = movingobjectposition.getBlockPos();
            if(!world.isRemote)
            {
				if(world.getBlockState(pos).getBlock() == Blocks.snow)
				{
					pos.add(0, -1, 0);
				}
				if(isSolid(world, pos))
				{
					world.spawnEntityInWorld(new EntityFlagpole(world, pos));
				}		            
			}
		}
		return itemstack;
	}
	
	private boolean isSolid(World world, BlockPos pos)
	{
		Block block = world.getBlockState(pos).getBlock();
		if (block == null)
			return false;
		return block.getMaterial().isSolid() && block.isOpaqueCube();
	}

	@Override
	public InfoType getInfoType() 
	{
		return null;
	}
}