PaperMC/nms-patches/ItemFlintAndSteel.patch

--- a/net/minecraft/server/ItemFlintAndSteel.java
+++ b/net/minecraft/server/ItemFlintAndSteel.java
@@ -13,7 +13,7 @@
         BlockPosition blockposition = itemactioncontext.getClickPosition();
         IBlockData iblockdata = world.getType(blockposition);
 
-        if (BlockCampfire.h(iblockdata)) {
+        if (BlockCampfire.h(iblockdata) && !org.bukkit.craftbukkit.event.CraftEventFactory.callBlockIgniteEvent(world, blockposition, entityhuman).isCancelled()) { // CraftBukkit
             world.playSound(entityhuman, blockposition, SoundEffects.ITEM_FLINTANDSTEEL_USE, SoundCategory.BLOCKS, 1.0F, ItemFlintAndSteel.RANDOM.nextFloat() * 0.4F + 0.8F);
             world.setTypeAndData(blockposition, (IBlockData) iblockdata.set(BlockProperties.r, true), 11);
             if (entityhuman != null) {
@@ -27,6 +27,14 @@
             BlockPosition blockposition1 = blockposition.shift(itemactioncontext.getClickedFace());
 
             if (BlockFireAbstract.a(world, blockposition1, itemactioncontext.f())) {
+                // CraftBukkit start - Store the clicked block
+                if (org.bukkit.craftbukkit.event.CraftEventFactory.callBlockIgniteEvent(world, blockposition1, org.bukkit.event.block.BlockIgniteEvent.IgniteCause.FLINT_AND_STEEL, entityhuman).isCancelled()) {
+                    itemactioncontext.getItemStack().damage(1, entityhuman, (entityhuman1) -> {
+                        entityhuman1.broadcastItemBreak(itemactioncontext.getHand());
+                    });
+                    return EnumInteractionResult.PASS;
+                }
+                // CraftBukkit end
                 world.playSound(entityhuman, blockposition1, SoundEffects.ITEM_FLINTANDSTEEL_USE, SoundCategory.BLOCKS, 1.0F, ItemFlintAndSteel.RANDOM.nextFloat() * 0.4F + 0.8F);
                 IBlockData iblockdata1 = BlockFireAbstract.a((IBlockAccess) world, blockposition1);