Paper/src/main/java/net/minecraft/server/ItemFlintAndSteel.java

package net.minecraft.server;

// CraftBukkit start
import org.bukkit.craftbukkit.block.CraftBlockState;
import org.bukkit.craftbukkit.event.CraftEventFactory;
import org.bukkit.entity.Player;
import org.bukkit.event.block.BlockIgniteEvent;
import org.bukkit.event.block.BlockPlaceEvent;
// CraftBukkit end

public class ItemFlintAndSteel extends Item {

    public ItemFlintAndSteel(int i) {
        super(i);
        this.maxStackSize = 1;
        this.d(64);
    }

    public boolean a(ItemStack itemstack, EntityHuman entityhuman, World world, int i, int j, int k, int l) {
        int clickedX = i, clickedY = j, clickedZ = k; // CraftBukkit

        if (l == 0) {
            --j;
        }

        if (l == 1) {
            ++j;
        }

        if (l == 2) {
            --k;
        }

        if (l == 3) {
            ++k;
        }

        if (l == 4) {
            --i;
        }

        if (l == 5) {
            ++i;
        }

        int i1 = world.getTypeId(i, j, k);

        if (i1 == 0) {
            // CraftBukkit start - store the clicked block
            org.bukkit.block.Block blockClicked = world.getWorld().getBlockAt(i, j, k);
            Player thePlayer = (Player) entityhuman.getBukkitEntity();

            BlockIgniteEvent eventIgnite = new BlockIgniteEvent(blockClicked, BlockIgniteEvent.IgniteCause.FLINT_AND_STEEL, thePlayer);
            world.getServer().getPluginManager().callEvent(eventIgnite);

            if (eventIgnite.isCancelled()) {
                itemstack.damage(1, entityhuman);
                return false;
            }

            CraftBlockState blockState = CraftBlockState.getBlockState(world, i, j, k);
            // CraftBukkit end

            world.makeSound((double) i + 0.5D, (double) j + 0.5D, (double) k + 0.5D, "fire.ignite", 1.0F, b.nextFloat() * 0.4F + 0.8F);
            world.setTypeId(i, j, k, Block.FIRE.id);

            // CraftBukkit start
            BlockPlaceEvent placeEvent = CraftEventFactory.callBlockPlaceEvent(world, entityhuman, blockState, clickedX, clickedY, clickedZ, Block.FIRE.id);

            if (placeEvent.isCancelled() || !placeEvent.canBuild()) {
                placeEvent.getBlockPlaced().setTypeIdAndData(0, (byte) 0, false);
                return false;
            }
            // CraftBukkit end
        }

        itemstack.damage(1, entityhuman);
        return true;
    }
}