fire = {}
fire.mod = "redo"

minetest.register_node("fire:basic_flame", {
	description = "Fire",
	drawtype = "plantlike",
	tiles = {{
		name="fire_basic_flame_animated.png",
		animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=1},
	}},
	inventory_image = "fire_basic_flame.png",
	light_source = 14,
	groups = {igniter=2,dig_immediate=3},
	drop = '',
	walkable = false,
	buildable_to = true,
	damage_per_second = 4,
})

function fire.flame_should_extinguish(pos)
	if minetest.setting_getbool("disable_fire") then return true end
	local ps = minetest.find_nodes_in_area(	{x=pos.x-1, y=pos.y, z=pos.z-1}, -- all 1's were 2
											{x=pos.x+1, y=pos.y, z=pos.z+1},
											{"group:puts_out_fire"})
	return (#ps ~= 0)
end

-- Ignite neighboring nodes
minetest.register_abm({
	nodenames = {"group:flammable"},
	neighbors = {"group:igniter"},
	interval = 2, -- 1
	chance = 2,
	action = function(p0, node, _, _)
		-- If there is water or stuff like that around flame, don't ignite
		if fire.flame_should_extinguish(p0) then return end
		local p = minetest.find_node_near(p0, 1, {"air"})
		if p then
			minetest.set_node(p, {name="fire:basic_flame"})
		end
	end,
})

-- Remove flammable nodes and flame
minetest.register_abm({
	nodenames = {"fire:basic_flame"},
	interval = 2, -- 1
	chance = 2,
	action = function(p0, node, _, _)

		-- If no flammable nodes around flame (or are extinguishers), remove flame
		if not minetest.find_node_near(p0, 1, {"group:flammable"})
		or fire.flame_should_extinguish(p0) then
			minetest.env:set_node(p0, {name="air"})
			return
		end

		if math.random(1,4) == 1 then
			-- remove a flammable node around flame
			local p = minetest.find_node_near(p0, 1, {"group:flammable"})
			if p then
				-- If there is water or stuff like that around flame, don't remove
				if fire.flame_should_extinguish(p0) then
					return
				end
				minetest.env:set_node(p, {name="air"})
--				nodeupdate(p)
			end
		else
			-- remove flame
			minetest.env:set_node(p0, {name="air"})
		end
	end,
})