Paper/nms-patches/BlockCampfire.patch

--- a/net/minecraft/server/BlockCampfire.java
+++ b/net/minecraft/server/BlockCampfire.java
@@ -144,6 +144,11 @@
             if (flag && !(Boolean) iblockdata.get(BlockCampfire.b) && !(Boolean) iblockdata.get(BlockCampfire.d)) {
                 BlockPosition blockposition = movingobjectpositionblock.getBlockPosition();
 
+                // CraftBukkit start
+                if (org.bukkit.craftbukkit.event.CraftEventFactory.callBlockIgniteEvent(world, blockposition, entity).isCancelled()) {
+                    return;
+                }
+                // CraftBukkit end
                 world.setTypeAndData(blockposition, (IBlockData) iblockdata.set(BlockProperties.r, true), 11);
             }
         }