Add fire metadata to many nodes (unused for now)

GROUPS.md

@@ -36,7 +36,11 @@ Please read <http://minecraft.gamepedia.com/Breaking> to learn how digging times
 * `dig_by_piston=1`: Blocks which will drop as an item when pushed by a piston. They also cannot be pulled by sticky pistons
 * `cultivatable=2`: Block will be turned into Farmland by using a hoe on it
 * `cultivatable=1`: Block will be turned into Dirt by using a hoe on it
-* `flammable`: Block helps spreading fire and gets destroyed by nearby fire (rating doesn't matter)
+* `flammable`: Block spreads fire
+    * `flammable>0`: Gets destroyed by fire
+    * `flammable=-1` Does not get destroyed by fire
+* `fire_encouragement`: How quickly this block catches fire
+* `fire_flammability`: How fast the block will burn away
 * `spreading_dirt_type=1`: A dirt-type block with a cover (e.g. grass) which may spread to neighbor dirt blocks
 * `dirtifies_below_solid=1`: This node turns into dirt immediately when a solid or dirtifier node is placed on top
 * `dirtifier=1`: This node turns nodes the above group into dirt when placed above

mods/ITEMS/REDSTONE/mesecons_noteblock/init.lua

@@ -25,7 +25,7 @@ S("• Anything else: Piano").."\n\n"..
 
 S("The note block will only play a note when it is below air, otherwise, it stays silent."),
 	tiles = {"mesecons_noteblock.png"},
-	groups = {handy=1,axey=1, material_wood=1},
+	groups = {handy=1,axey=1, material_wood=1, flammable=-1},
 	is_ground_content = false,
 	place_param2 = 0,
 	on_rightclick = function (pos, node, clicker) -- change sound when rightclicked

mods/ITEMS/REDSTONE/mesecons_solarpanel/init.lua

@@ -21,7 +21,7 @@ minetest.register_node("mesecons_solarpanel:solar_panel_on", {
 	},
 	drop = "mesecons_solarpanel:solar_panel_off",
 	_doc_items_create_entry = false,
-	groups = {handy=1,axey=1, not_in_creative_inventory = 1, material_wood=1},
+	groups = {handy=1,axey=1, not_in_creative_inventory = 1, material_wood=1, flammable=-1},
 	sounds = mcl_sounds.node_sound_glass_defaults(),
 	mesecons = {receptor = {
 		state = mesecon.state.on,

mods/ITEMS/mcl_banners/init.lua

@@ -219,7 +219,7 @@ S("You can copy the pattern of a banner by placing two banners of the same color
 	wield_image = "mcl_banners_item_base.png",
 
 	selection_box = {type = "fixed", fixed= {-0.3, -0.5, -0.3, 0.3, 0.5, 0.3} },
-	groups = {axey=1,handy=1, attached_node = 1, not_in_creative_inventory = 1, not_in_craft_guide = 1, material_wood=1, dig_by_piston=1 },
+	groups = {axey=1,handy=1, attached_node = 1, not_in_creative_inventory = 1, not_in_craft_guide = 1, material_wood=1, dig_by_piston=1, flammable=-1 },
 	stack_max = 16,
 	sounds = node_sounds,
 	drop = "", -- Item drops are handled in entity code
@@ -263,7 +263,7 @@ minetest.register_node("mcl_banners:hanging_banner", {
 		wall_bottom = { -0.49, -0.49, -0.49, -0.41, -0.41, 0.49 },
 	},
 	selection_box = {type = "wallmounted", wall_side = {-0.5, -0.5, -0.5, -4/16, 0.5, 0.5} },
-	groups = {axey=1,handy=1, attached_node = 1, not_in_creative_inventory = 1, not_in_craft_guide = 1, material_wood=1 },
+	groups = {axey=1,handy=1, attached_node = 1, not_in_creative_inventory = 1, not_in_craft_guide = 1, material_wood=1, flammable=-1 },
 	stack_max = 16,
 	sounds = node_sounds,
 	drop = "", -- Item drops are handled in entity code
@@ -326,7 +326,7 @@ for colorid, colortab in pairs(mcl_banners.colors) do
 		wield_image = inv,
 		-- Banner group groups together the banner items, but not the nodes.
 		-- Used for crafting.
-		groups = { banner = 1, deco_block = 1, },
+		groups = { banner = 1, deco_block = 1, flammable = -1 },
 		stack_max = 16,
 
 		on_place = function(itemstack, placer, pointed_thing)

mods/ITEMS/mcl_beds/api.lua

@@ -79,7 +79,7 @@ function mcl_beds.register_bed(name, def)
 		paramtype2 = "facedir",
 		is_ground_content = false,
 		stack_max = 1,
-		groups = {handy=1, flammable = 3, bed = 1, dig_by_piston=1, bouncy=66, fall_damage_add_percent=-50, deco_block = 1},
+		groups = {handy=1, flammable = 3, bed = 1, dig_by_piston=1, bouncy=66, fall_damage_add_percent=-50, deco_block = 1, flammable=-1},
 		_mcl_hardness = 0.2,
 		_mcl_blast_resistance = 1,
 		sounds = def.sounds or default_sounds,

mods/ITEMS/mcl_books/init.lua

@@ -339,7 +339,7 @@ minetest.register_node("mcl_books:bookshelf", {
 	tiles = {"mcl_books_bookshelf_top.png", "mcl_books_bookshelf_top.png", "default_bookshelf.png"},
 	stack_max = 64,
 	is_ground_content = false,
-	groups = {handy=1,axey=1, flammable=3,building_block=1, material_wood=1},
+	groups = {handy=1,axey=1, flammable=3,building_block=1, material_wood=1, fire_encouragement=30, fire_flammability=20},
 	drop = "mcl_books:book 3",
 	sounds = wood_sound,
 	_mcl_blast_resistance = 7.5,

mods/ITEMS/mcl_chests/init.lua

@@ -134,7 +134,7 @@ minetest.register_node("mcl_chests:"..basename, {
 	paramtype2 = "facedir",
 	stack_max = 64,
 	drop = drop,
-	groups = {handy=1,axey=1, container=2, deco_block=1, material_wood=1},
+	groups = {handy=1,axey=1, container=2, deco_block=1, material_wood=1,flammable=-1},
 	is_ground_content = false,
 	sounds = mcl_sounds.node_sound_wood_defaults(),
 	on_construct = function(pos)
@@ -246,7 +246,7 @@ minetest.register_node("mcl_chests:"..basename.."_left", {
 	tiles = tiles_table.left,
 	paramtype = "light",
 	paramtype2 = "facedir",
-	groups = {handy=1,axey=1, container=5,not_in_creative_inventory=1, material_wood=1},
+	groups = {handy=1,axey=1, container=5,not_in_creative_inventory=1, material_wood=1,flammable=-1},
 	drop = drop,
 	is_ground_content = false,
 	sounds = mcl_sounds.node_sound_wood_defaults(),
@@ -381,7 +381,7 @@ minetest.register_node("mcl_chests:"..basename.."_right", {
 	tiles = tiles_table.right,
 	paramtype = "light",
 	paramtype2 = "facedir",
-	groups = {handy=1,axey=1, container=6,not_in_creative_inventory=1, material_wood=1},
+	groups = {handy=1,axey=1, container=6,not_in_creative_inventory=1, material_wood=1,flammable=-1},
 	drop = drop,
 	is_ground_content = false,
 	sounds = mcl_sounds.node_sound_wood_defaults(),

mods/ITEMS/mcl_core/nodes_base.lua

@@ -680,7 +680,7 @@ minetest.register_node("mcl_core:coalblock", {
 	tiles = {"default_coal_block.png"},
 	is_ground_content = false,
 	stack_max = 64,
-	groups = {pickaxey=1, flammable=1, building_block=1, material_stone=1},
+	groups = {pickaxey=1, flammable=1, building_block=1, material_stone=1, fire_encouragement=5, fire_flammability=5},
 	sounds = mcl_sounds.node_sound_stone_defaults(),
 	_mcl_blast_resistance = 30,
 	_mcl_hardness = 5,

mods/ITEMS/mcl_core/nodes_climb.lua

@@ -104,7 +104,7 @@ minetest.register_node("mcl_core:vine", {
 		type = "wallmounted",
 	},
 	stack_max = 64,
-	groups = {handy=1,axey=1,shearsy=1,swordy=1, flammable=2,deco_block=1,destroy_by_lava_flow=1,dig_by_piston=1},
+	groups = {handy=1,axey=1,shearsy=1,swordy=1, flammable=2,deco_block=1,destroy_by_lava_flow=1,dig_by_piston=1, fire_encouragement=15, fire_flammability=100},
 	sounds = mcl_sounds.node_sound_leaves_defaults(),
 	drop = "",
 	_mcl_shears_drop = true,

mods/ITEMS/mcl_core/nodes_misc.lua

@@ -96,7 +96,7 @@ minetest.register_node("mcl_core:deadbush", {
 	walkable = false,
 	stack_max = 64,
 	buildable_to = true,
-	groups = {handy=1,shearsy=1, flammable=3,attached_node=1,plant=1,non_mycelium_plant=1,dig_by_water=1,destroy_by_lava_flow=1,deco_block=1},
+	groups = {handy=1,shearsy=1, flammable=3,attached_node=1,plant=1,non_mycelium_plant=1,dig_by_water=1,destroy_by_lava_flow=1,deco_block=1, fire_encouragement=60, fire_flammability=100},
 	drop = {
 		max_items = 1,
 		items = {

mods/ITEMS/mcl_core/nodes_trees.lua

@@ -17,7 +17,7 @@ local register_tree_trunk = function(subname, description_trunk, description_bar
 		paramtype2 = "facedir",
 		on_place = mcl_util.rotate_axis,
 		stack_max = 64,
-		groups = {handy=1,axey=1, tree=1, flammable=2, building_block=1, material_wood=1},
+		groups = {handy=1,axey=1, tree=1, flammable=2, building_block=1, material_wood=1, fire_encouragement=5, fire_flammability=5},
 		sounds = mcl_sounds.node_sound_wood_defaults(),
 		on_rotate = on_rotate,
 		_mcl_blast_resistance = 10,
@@ -31,7 +31,7 @@ local register_tree_trunk = function(subname, description_trunk, description_bar
 		paramtype2 = "facedir",
 		on_place = mcl_util.rotate_axis,
 		stack_max = 64,
-		groups = {handy=1,axey=1, bark=1, flammable=2, building_block=1, material_wood=1},
+		groups = {handy=1,axey=1, bark=1, flammable=2, building_block=1, material_wood=1, fire_encouragement=5, fire_flammability=5},
 		sounds = mcl_sounds.node_sound_wood_defaults(),
 		is_ground_content = false,
 		on_rotate = on_rotate,
@@ -56,7 +56,7 @@ local register_wooden_planks = function(subname, description, tiles)
 		tiles = tiles,
 		stack_max = 64,
 		is_ground_content = false,
-		groups = {handy=1,axey=1, flammable=3,wood=1,building_block=1, material_wood=1},
+		groups = {handy=1,axey=1, flammable=3,wood=1,building_block=1, material_wood=1, fire_encouragement=5, fire_flammability=20},
 		sounds = mcl_sounds.node_sound_wood_defaults(),
 		_mcl_blast_resistance = 15,
 		_mcl_hardness = 2,
@@ -104,7 +104,7 @@ local register_leaves = function(subname, description, longdesc, tiles, drop1, d
 		tiles = tiles,
 		paramtype = "light",
 		stack_max = 64,
-		groups = {handy=1,shearsy=1,swordy=1, leafdecay=leafdecay_distance, flammable=2, leaves=1, deco_block=1, dig_by_piston=1},
+		groups = {handy=1,shearsy=1,swordy=1, leafdecay=leafdecay_distance, flammable=2, leaves=1, deco_block=1, dig_by_piston=1, fire_encouragement=30, fire_flammability=60},
 		drop = drop,
 		_mcl_shears_drop = true,
 		sounds = mcl_sounds.node_sound_leaves_defaults(),

mods/ITEMS/mcl_crafting_table/init.lua

@@ -10,7 +10,7 @@ minetest.register_node("mcl_crafting_table:crafting_table", {
 	tiles = {"crafting_workbench_top.png", "default_wood.png", "crafting_workbench_side.png",
 		"crafting_workbench_side.png", "crafting_workbench_front.png", "crafting_workbench_front.png"},
 	paramtype2 = "facedir",
-	groups = {handy=1,axey=1, deco_block=1, material_wood=1},
+	groups = {handy=1,axey=1, deco_block=1, material_wood=1,flammable=-1},
 	on_rightclick = function(pos, node, player, itemstack)
 		player:get_inventory():set_width("craft", 3)
 		player:get_inventory():set_size("craft", 9)

mods/ITEMS/mcl_doors/api_doors.lua

@@ -94,6 +94,11 @@ function mcl_doors:register_door(name, def)
 		end
 	end
 
+	local craftitem_groups = { mesecon_conductor_craftable = 1, deco_block = 1 }
+	if def.groups and def.groups.flammable then
+		craftitem_groups.flammable = def.groups.flammable
+	end
+
 	minetest.register_craftitem(name, {
 		description = def.description,
 		_tt_help = tt_help,
@@ -101,7 +106,7 @@ function mcl_doors:register_door(name, def)
 		_doc_items_usagehelp = usagehelp,
 		inventory_image = def.inventory_image,
 		stack_max = 64,
-		groups = { mesecon_conductor_craftable = 1, deco_block = 1 },
+		groups = craftitem_groups,
 		on_place = function(itemstack, placer, pointed_thing)
 			if not pointed_thing.type == "node" or not placer or not placer:is_player() then
 				return itemstack

mods/ITEMS/mcl_doors/register.lua

@@ -11,7 +11,7 @@ mcl_doors:register_door("mcl_doors:wooden_door", {
 	_doc_items_longdesc = wood_longdesc,
 	_doc_items_usagehelp = wood_usagehelp,
 	inventory_image = "doors_item_wood.png",
-	groups = {handy=1,axey=1, material_wood=1},
+	groups = {handy=1,axey=1, material_wood=1, flammable=-1},
 	_mcl_hardness = 3,
 	_mcl_blast_resistance = 15,
 	tiles_bottom = {"mcl_doors_door_wood_lower.png", "mcl_doors_door_wood_side_lower.png"},
@@ -34,7 +34,7 @@ mcl_doors:register_door("mcl_doors:acacia_door", {
 	_doc_items_longdesc = wood_longdesc,
 	_doc_items_usagehelp = wood_usagehelp,
 	inventory_image = "mcl_doors_door_acacia.png",
-	groups = {handy=1,axey=1, material_wood=1},
+	groups = {handy=1,axey=1, material_wood=1, flammable=-1},
 	_mcl_hardness = 3,
 	_mcl_blast_resistance = 15,
 	tiles_bottom = {"mcl_doors_door_acacia_lower.png", "mcl_doors_door_acacia_side_lower.png"},
@@ -57,7 +57,7 @@ mcl_doors:register_door("mcl_doors:birch_door", {
 	_doc_items_longdesc = wood_longdesc,
 	_doc_items_usagehelp = wood_usagehelp,
 	inventory_image = "mcl_doors_door_birch.png",
-	groups = {handy=1,axey=1, material_wood=1},
+	groups = {handy=1,axey=1, material_wood=1, flammable=-1},
 	_mcl_hardness = 3,
 	_mcl_blast_resistance = 15,
 	tiles_bottom = {"mcl_doors_door_birch_lower.png", "mcl_doors_door_birch_side_lower.png"},
@@ -80,7 +80,7 @@ mcl_doors:register_door("mcl_doors:dark_oak_door", {
 	_doc_items_longdesc = wood_longdesc,
 	_doc_items_usagehelp = wood_usagehelp,
 	inventory_image = "mcl_doors_door_dark_oak.png",
-	groups = {handy=1,axey=1, material_wood=1},
+	groups = {handy=1,axey=1, material_wood=1, flammable=-1},
 	_mcl_hardness = 3,
 	_mcl_blast_resistance = 15,
 	tiles_bottom = {"mcl_doors_door_dark_oak_lower.png", "mcl_doors_door_dark_oak_side_lower.png"},
@@ -103,7 +103,7 @@ mcl_doors:register_door("mcl_doors:jungle_door", {
 	_doc_items_longdesc = wood_longdesc,
 	_doc_items_usagehelp = wood_usagehelp,
 	inventory_image = "mcl_doors_door_jungle.png",
-	groups = {handy=1,axey=1, material_wood=1},
+	groups = {handy=1,axey=1, material_wood=1, flammable=-1},
 	_mcl_hardness = 3,
 	_mcl_blast_resistance = 15,
 	tiles_bottom = {"mcl_doors_door_jungle_lower.png", "mcl_doors_door_jungle_side_lower.png"},
@@ -126,7 +126,7 @@ mcl_doors:register_door("mcl_doors:spruce_door", {
 	_doc_items_longdesc = wood_longdesc,
 	_doc_items_usagehelp = wood_usagehelp,
 	inventory_image = "mcl_doors_door_spruce.png",
-	groups = {handy=1,axey=1, material_wood=1},
+	groups = {handy=1,axey=1, material_wood=1, flammable=-1},
 	_mcl_hardness = 3,
 	_mcl_blast_resistance = 15,
 	tiles_bottom = {"mcl_doors_door_spruce_lower.png", "mcl_doors_door_spruce_side_lower.png"},
@@ -222,7 +222,7 @@ for w=1, #woods do
 		tile_front = woods[w][3],
 		tile_side = woods[w][4],
 		wield_image = woods[w][3],
-		groups = {handy=1,axey=1, mesecon_effector_on=1, material_wood=1},
+		groups = {handy=1,axey=1, mesecon_effector_on=1, material_wood=1, flammable=-1},
 		_mcl_hardness = 3,
 		_mcl_blast_resistance = 15,
 		sounds = mcl_sounds.node_sound_wood_defaults(),

mods/ITEMS/mcl_farming/wheat.lua

@@ -146,7 +146,7 @@ minetest.register_node("mcl_farming:hay_block", {
 	paramtype2 = "facedir",
 	is_ground_content = false,
 	on_place = mcl_util.rotate_axis,
-	groups = {handy=1, flammable=2, building_block=1, fall_damage_add_percent=-80},
+	groups = {handy=1, flammable=2, fire_encouragement=60, fire_flammability=20, building_block=1, fall_damage_add_percent=-80},
 	sounds = mcl_sounds.node_sound_leaves_defaults(),
 	on_rotate = on_rotate,
 	_mcl_blast_resistance = 2.5,

mods/ITEMS/mcl_fences/init.lua

@@ -246,7 +246,7 @@ mcl_fences.register_fence_and_fence_gate = function(id, fence_name, fence_gate_n
 	return fence_id, gate_id, open_gate_id
 end
 
-local wood_groups = {handy=1,axey=1, flammable=2,fence_wood=1}
+local wood_groups = {handy=1,axey=1, flammable=2,fence_wood=1, fire_encouragement=5, fire_flammability=20}
 local wood_connect = {"group:fence_wood"}
 local wood_sounds = mcl_sounds.node_sound_wood_defaults()
 

mods/ITEMS/mcl_flowers/init.lua

@@ -65,7 +65,7 @@ local function add_simple_flower(name, desc, image, simple_selection_box)
 		paramtype = "light",
 		walkable = false,
 		stack_max = 64,
-		groups = {dig_immediate=3,flammable=2,plant=1,flower=1,place_flowerlike=1,non_mycelium_plant=1,attached_node=1,dig_by_water=1,destroy_by_lava_flow=1,dig_by_piston=1,enderman_takable=1,deco_block=1},
+		groups = {dig_immediate=3,flammable=2,fire_encouragement=60,fire_flammability=100,plant=1,flower=1,place_flowerlike=1,non_mycelium_plant=1,attached_node=1,dig_by_water=1,destroy_by_lava_flow=1,dig_by_piston=1,enderman_takable=1,deco_block=1},
 		sounds = mcl_sounds.node_sound_leaves_defaults(),
 		node_placement_prediction = "",
 		on_place = on_place_flower,
@@ -122,7 +122,7 @@ local def_tallgrass = {
 	walkable = false,
 	buildable_to = true,
 	is_ground_content = true,
-	groups = {handy=1,shearsy=1, flammable=3,attached_node=1,plant=1,place_flowerlike=2,non_mycelium_plant=1,dig_by_water=1,destroy_by_lava_flow=1,deco_block=1},
+	groups = {handy=1,shearsy=1, flammable=3,fire_encouragement=60,fire_flammability=100,attached_node=1,plant=1,place_flowerlike=2,non_mycelium_plant=1,dig_by_water=1,destroy_by_lava_flow=1,deco_block=1},
 	sounds = mcl_sounds.node_sound_leaves_defaults(),
 	drop = wheat_seed_drop,
 	_mcl_shears_drop = true,
@@ -157,7 +157,7 @@ local function add_large_plant(name, desc, longdesc, bottom_img, top_img, inv_im
 		is_flower = true
 	end
 
-	local bottom_groups = {flammable=2,non_mycelium_plant=1,attached_node=1, dig_by_water=1,destroy_by_lava_flow=1,dig_by_piston=1, plant=1,double_plant=1,deco_block=1,not_in_creative_inventory=noncreative}
+	local bottom_groups = {flammable=2,fire_encouragement=60,fire_flammability=100, non_mycelium_plant=1,attached_node=1, dig_by_water=1,destroy_by_lava_flow=1,dig_by_piston=1, plant=1,double_plant=1,deco_block=1,not_in_creative_inventory=noncreative}
 	if is_flower then
 		bottom_groups.flower = 1
 		bottom_groups.place_flowerlike = 1

mods/ITEMS/mcl_jukebox/init.lua

@@ -132,7 +132,7 @@ minetest.register_node("mcl_jukebox:jukebox", {
 	_doc_items_usagehelp = S("Place a music disc into an empty jukebox to insert the music disc and play music. If the jukebox already has a music disc, you will retrieve this music disc first. The music can only be heard by you, not by other players."),
 	tiles = {"mcl_jukebox_top.png", "mcl_jukebox_side.png", "mcl_jukebox_side.png"},
 	sounds = mcl_sounds.node_sound_wood_defaults(),
-	groups = {handy=1,axey=1, container=7, deco_block=1, material_wood=1},
+	groups = {handy=1,axey=1, container=7, deco_block=1, material_wood=1, flammable=-1},
 	is_ground_content = false,
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)

mods/ITEMS/mcl_mushrooms/huge.lua

@@ -1,7 +1,7 @@
 local S = minetest.get_translator("mcl_mushrooms")
 
 local template = {
-	groups = {handy=1,axey=1, building_block = 1, material_wood = 1 },
+	groups = {handy=1,axey=1, building_block = 1, material_wood = 1, flammable = -1 },
 	sounds = mcl_sounds.node_sound_wood_defaults(),
 	is_ground_content = true,
 	_mcl_blast_resistance = 1,

mods/ITEMS/mcl_ocean/kelp.lua

@@ -235,7 +235,7 @@ minetest.register_node("mcl_ocean:dried_kelp_block", {
 	description = S("Dried Kelp Block"),
 	_doc_items_longdesc = S("A decorative block that serves as a great furnace fuel."),
 	tiles = { "mcl_ocean_dried_kelp_top.png", "mcl_ocean_dried_kelp_bottom.png", "mcl_ocean_dried_kelp_side.png" },
-	groups = { handy = 1, building_block = 1, flammable = 2 },
+	groups = { handy = 1, building_block = 1, flammable = 2, fire_encouragement = 30, fire_flammability = 60 },
 	sounds = mcl_sounds.node_sound_leaves_defaults(),
 	paramtype2 = "facedir",
 	on_place = mcl_util.rotate_axis,

mods/ITEMS/mcl_signs/init.lua

@@ -185,7 +185,7 @@ local function get_wall_signtext_info(param2, nodename)
 	end
 end
 
-local sign_groups = {handy=1,axey=1, flammable=1, deco_block=1, material_wood=1, attached_node=1, dig_by_piston=1}
+local sign_groups = {handy=1,axey=1, flammable=1, deco_block=1, material_wood=1, attached_node=1, dig_by_piston=1, flammable=-1}
 
 local destruct_sign = function(pos)
 	local objects = minetest.get_objects_inside_radius(pos, 0.5)

mods/ITEMS/mcl_stairs/register.lua

@@ -17,14 +17,14 @@ local woods = {
 for w=1, #woods do
 	local wood = woods[w]
 	mcl_stairs.register_stair(wood[1], "mcl_core:"..wood[1],
-			{handy=1,axey=1, flammable=3,wood_stairs=1, material_wood=1},
+			{handy=1,axey=1, flammable=3,wood_stairs=1, material_wood=1, fire_encouragement=5, fire_flammability=20},
 			{wood[2]},
 			wood[3],
 			mcl_sounds.node_sound_wood_defaults(),
 			2,
 			"woodlike")
 	mcl_stairs.register_slab(wood[1], "mcl_core:"..wood[1],
-			{handy=1,axey=1, flammable=3,wood_slab=1, material_wood=1},
+			{handy=1,axey=1, flammable=3,wood_slab=1, material_wood=1, fire_encouragement=5, fire_flammability=20},
 			{wood[2]},
 			wood[4],
 			mcl_sounds.node_sound_wood_defaults(),

mods/ITEMS/mcl_wool/init.lua

@@ -60,7 +60,7 @@ for _, row in ipairs(wool.dyes) do
 			stack_max = 64,
 			is_ground_content = false,
 			tiles = {texture..".png"},
-			groups = {handy=1,shearsy_wool=1, flammable=1,wool=1,building_block=1,[color_group]=1},
+			groups = {handy=1,shearsy_wool=1, flammable=1,fire_encouragement=30, fire_flammability=60, wool=1,building_block=1,[color_group]=1},
 			sounds = mcl_sounds.node_sound_wool_defaults(),
 			_mcl_hardness = 0.8,
 			_mcl_blast_resistance = 4,
@@ -76,7 +76,7 @@ for _, row in ipairs(wool.dyes) do
 			tiles = {texture..".png"},
 			wield_image = texture..".png",
 			wield_scale = { x=1, y=1, z=0.5 },
-			groups = {handy=1, carpet=1,attached_node=1,flammable=1,dig_by_water=1,deco_block=1,[color_group]=1},
+			groups = {handy=1, carpet=1,attached_node=1,flammable=1,fire_encouragement=60, fire_flammability=20, dig_by_water=1,deco_block=1,[color_group]=1},
 			sounds = mcl_sounds.node_sound_wool_defaults(),
 			paramtype = "light",
 			sunlight_propagates = true,

mods/ITEMS/mclx_stairs/init.lua

@@ -19,14 +19,14 @@ for b=1, #barks do
 		id = "mcl_core:"..bark[1].."tree"
 	end
 	mcl_stairs.register_stair(sub, id,
-			{handy=1,axey=1, flammable=3, bark_stairs=1, material_wood=1},
+			{handy=1,axey=1, flammable=3, bark_stairs=1, material_wood=1, fire_encouragement=5, fire_flammability=5},
 			{minetest.registered_nodes[id].tiles[3]},
 			bark[2],
 			mcl_sounds.node_sound_wood_defaults(),
 			2,
 			"woodlike")
 	mcl_stairs.register_slab(sub, id,
-			{handy=1,axey=1, flammable=3, bark_slab=1, material_wood=1},
+			{handy=1,axey=1, flammable=3, bark_slab=1, material_wood=1, fire_encouragement=5, fire_flammability=5},
 			{minetest.registered_nodes[id].tiles[3]},
 			bark[3],
 			mcl_sounds.node_sound_wood_defaults(),