add a use for giant mycelium

df_caverns/primordial.lua

@@ -68,7 +68,7 @@ local mushroom_cavern_ceiling = function(abs_cracks, humidity, vi, area, data, d
 		data[vi] = c_mycelial_dirt
 		if abs_cracks < 0.3 then
 			local rand = math.random() * humidityfactor
-			if rand < 0.003 then
+			if rand < 0.002 then
 				data[vi-ystride] = c_giant_mycelium
 			elseif rand < 0.03 then
 				df_primordial_items.spawn_ceiling_spire_vm(vi, area, data)
@@ -87,7 +87,7 @@ local mushroom_warren_ceiling = function(abs_cracks, vi, area, data, data_param2
 		data[vi] = c_mycelial_dirt
 		if abs_cracks < 0.2 then
 			local rand = math.random()
-			if rand < 0.003 then
+			if rand < 0.002 then
 				data[vi-ystride] = c_giant_mycelium
 			elseif rand < 0.2 then
 				data[vi-ystride] = c_orb

df_primordial_items/giant_mycelium.lua

@@ -34,6 +34,18 @@ minetest.register_node("df_primordial_items:giant_hypha_root", {
 	is_ground_content = false,
 	groups = {oddly_breakable_by_hand = 1, choppy = 2, hypha = 1},
 	sounds = default.node_sound_wood_defaults(),
+	drop = {
+		max_items = 1,
+		items = {
+			{
+				items = {"df_primordial_items:mycelial_fibers","df_primordial_items:giant_hypha_apical_meristem"},
+				rarity = 100,
+			},
+			{
+				items = {"df_primordial_items:mycelial_fibers"},
+			},
+		},
+	},
 })
 minetest.register_node("df_primordial_items:giant_hypha", {
 	description = S("Giant Hypha"),
@@ -49,6 +61,36 @@ minetest.register_node("df_primordial_items:giant_hypha", {
 	is_ground_content = false,
 	groups = {oddly_breakable_by_hand = 1, choppy = 2, hypha = 1},
 	sounds = default.node_sound_wood_defaults(),
+	drop = {
+		max_items = 1,
+		items = {
+			{
+				items = {"df_primordial_items:mycelial_fibers","df_primordial_items:giant_hypha_apical_meristem"},
+				rarity = 100,
+			},
+			{
+				items = {"df_primordial_items:mycelial_fibers"},
+			},
+		},
+	},
+})
+
+minetest.register_craftitem("df_primordial_items:mycelial_fibers", {
+	description = S("Giant Mycelial Fibers"),
+	groups = {wool = 1},
+	inventory_image = "dfcaverns_mush_mycelial_fibers.png",
+})
+
+minetest.register_craftitem("df_primordial_items:mycelial_thread", {
+	description = S("Mycelial thread"),
+	inventory_image = "dfcaverns_pig_tail_thread.png",
+	groups = {flammable = 1, thread = 1},
+})
+
+minetest.register_craft({
+	output = "df_primordial_items:mycelial_thread 4",
+	type = "shapeless",
+	recipe = { "df_primordial_items:mycelial_fibers"},
 })
 
 -- Check each of the six cardinal directions to see if it's buildable-to,