add trail mod support

df_caverns/primordial.lua

@@ -136,6 +136,7 @@ local c_plant_matter = minetest.get_content_id("df_primordial_items:plant_matter
 local c_packed_roots = minetest.get_content_id("df_primordial_items:packed_roots")
 local c_glowstone = minetest.get_content_id("df_underworld_items:glowstone")
 local c_ivy = minetest.get_content_id("df_primordial_items:jungle_ivy")
+local c_root = minetest.get_content_id("df_primordial_items:jungle_roots_2")
 
 local jungle_cavern_floor = function(abs_cracks, humidity, vi, area, data, data_param2)
 	local ystride = area.ystride
@@ -163,9 +164,15 @@ local jungle_cavern_ceiling = function(abs_cracks, vi, area, data, data_param2)
 	elseif abs_cracks > 0.75 and math.random() < 0.1 then
 		local ystride = area.ystride
 		local index = vi - ystride
+		local hanging_node
+		if math.random() < 0.5 then
+			hanging_node = c_ivy
+		else
+			hanging_node = c_root
+		end
 		for i = 1, math.random(16) do
 			if data[index] == c_air then
-				data[index] = c_ivy
+				data[index] = hanging_node
 				index = index - ystride
 			else
 				break

df_farming/cave_wheat.lua

@@ -147,3 +147,41 @@ minetest.register_craft({
 	output = "df_farming:cave_bread",
 	recipe = "df_farming:cave_flour"
 })
+
+if minetest.get_modpath("trail") and trail and trail.register_trample_node then	
+	minetest.register_node("df_farming:wheat_trampled", {
+		description = S("Flattened Cave Wheat"),
+		tiles = {"dfcaverns_cave_wheat_flattened.png"},
+		inventory_image = "dfcaverns_cave_wheat_flattened.png",
+		drawtype = "nodebox",
+		paramtype = "light",
+		paramtype2 = "facedir",
+		buildable_to = true,
+		node_box = {
+			type = "fixed",
+			fixed = {
+				{-0.5, -0.5, -0.5, 0.5, -3 / 8, 0.5}
+			},
+		},
+		groups = {snappy = 3, flammable = 2, attached_node = 1},
+		drop = "",
+		sounds = default.node_sound_leaves_defaults(),
+	})
+	
+	trail.register_trample_node("df_farming:cave_wheat_5", {
+		trampled_node_name = "df_farming:wheat_trampled",
+		randomize_trampled_param2 = true,
+	})
+	trail.register_trample_node("df_farming:cave_wheat_6", {
+		trampled_node_name = "df_farming:wheat_trampled",
+		randomize_trampled_param2 = true,
+	})
+	trail.register_trample_node("df_farming:cave_wheat_7", {
+		trampled_node_name = "df_farming:wheat_trampled",
+		randomize_trampled_param2 = true,
+	})
+	trail.register_trample_node("df_farming:cave_wheat_8", {
+		trampled_node_name = "df_farming:wheat_trampled",
+		randomize_trampled_param2 = true,
+	})
+end

df_farming/depends.txt

@@ -1,9 +0,0 @@
-default
-farming?
-cottages?
-bucket?
-dynamic_liquid?
-wool?
-intllib?
-doc?
-crafting?

df_farming/description.txt

@@ -1 +0,0 @@
-Adds farmable underground plants that die in sunlight. Also includes various cooking reactions.

df_farming/mod.conf

@@ -1,4 +1,4 @@
 name = df_farming
 description = Adds farmable underground plants that die in sunlight. Also includes various cooking reactions.
 depends = default
-optional_depends = farming, cottages, bucket, dynamic_liquid, wool, intllib, doc, crafting
+optional_depends = farming, cottages, bucket, dynamic_liquid, wool, intllib, doc, crafting, trail

df_farming/pig_tail.lua

@@ -116,3 +116,40 @@ minetest.register_craft({
 	burntime = 1,
 })
 
+if minetest.get_modpath("trail") and trail and trail.register_trample_node then	
+	minetest.register_node("df_farming:pig_tail_trampled", {
+		description = S("Flattened Pig Tail"),
+		tiles = {"dfcaverns_pig_tail_flattened.png"},
+		inventory_image = "dfcaverns_pig_tail_flattened.png",
+		drawtype = "nodebox",
+		paramtype = "light",
+		paramtype2 = "facedir",
+		buildable_to = true,
+		node_box = {
+			type = "fixed",
+			fixed = {
+				{-0.5, -0.5, -0.5, 0.5, -3 / 8, 0.5}
+			},
+		},
+		groups = {snappy = 3, flammable = 2, attached_node = 1},
+		drop = "",
+		sounds = default.node_sound_leaves_defaults(),
+	})
+	
+	trail.register_trample_node("df_farming:pig_tail_5", {
+		trampled_node_name = "df_farming:pig_tail_trampled",
+		randomize_trampled_param2 = true,
+	})
+	trail.register_trample_node("df_farming:pig_tail_6", {
+		trampled_node_name = "df_farming:pig_tail_trampled",
+		randomize_trampled_param2 = true,
+	})
+	trail.register_trample_node("df_farming:pig_tail_7", {
+		trampled_node_name = "df_farming:pig_tail_trampled",
+		randomize_trampled_param2 = true,
+	})
+	trail.register_trample_node("df_farming:pig_tail_8", {
+		trampled_node_name = "df_farming:pig_tail_trampled",
+		randomize_trampled_param2 = true,
+	})
+end

df_mapitems/depends.txt

@@ -1,7 +0,0 @@
-default
-subterrane
-df_farming?
-farming?
-intllib?
-doc?
-radiant_damage?

df_mapitems/description.txt

@@ -1 +0,0 @@
-Various node types used by the dfcaverns mapgen mod. Includes cave coral, flowstone, glowing crystals, glow worms, moss and fungi ground cover, and snare weed.

df_mapitems/ground_cover.lua

@@ -8,7 +8,7 @@ local S, NS = dofile(MP.."/intllib.lua")
 -- cyan/dark cyan
 
 minetest.register_node("df_mapitems:dirt_with_cave_moss", {
-	description = S("Dirt With Cave Moss"),
+	description = S("Dirt with Cave Moss"),
 	_doc_items_longdesc = df_mapitems.doc.cave_moss_desc,
 	_doc_items_usagehelp = df_mapitems.doc.cave_moss_usage,
 	tiles = {"default_dirt.png^dfcaverns_cave_moss.png", "default_dirt.png", 
@@ -45,13 +45,26 @@ minetest.register_abm{
 	end,
 }
 
+if minetest.get_modpath("trail") and trail and trail.register_trample_node then	
+	local HARDPACK_PROBABILITY = minetest.settings:get("trail_hardpack_probability") or 0.5 -- Chance walked dirt/grass is worn and compacted to trail:trail.
+	local HARDPACK_COUNT = minetest.settings:get("trail_hardpack_count") or 5 -- Number of times the above chance needs to be passed for soil to compact.
+
+	trail.register_trample_node("df_mapitems:dirt_with_cave_moss", {
+		trampled_node_def_override = {description = S("Dirt with Cave Moss and Footprint"),},
+		hard_pack_node_name = "trail:trail",
+		footprint_opacity = 128,
+		hard_pack_probability = HARDPACK_PROBABILITY,
+		hard_pack_count = HARDPACK_COUNT,
+	})	
+end
+
 --------------------------------------------------
 -- floor fungus
 
 -- white/yellow
 
 minetest.register_node("df_mapitems:cobble_with_floor_fungus", {
-	description = S("Cobblestone With Floor Fungus"),
+	description = S("Cobblestone with Floor Fungus"),
 	_doc_items_longdesc = df_mapitems.doc.floor_fungus_desc,
 	_doc_items_usagehelp = df_mapitems.doc.floor_fungus_usage,
 	tiles = {"default_cobble.png^dfcaverns_floor_fungus.png"},
@@ -66,7 +79,7 @@ minetest.register_node("df_mapitems:cobble_with_floor_fungus", {
 })
 
 minetest.register_node("df_mapitems:cobble_with_floor_fungus_fine", {
-	description = S("Cobblestone With Floor Fungus"),
+	description = S("Cobblestone with Floor Fungus"),
 	_doc_items_longdesc = df_mapitems.doc.floor_fungus_desc,
 	_doc_items_usagehelp = df_mapitems.doc.floor_fungus_usage,
 	tiles = {"default_cobble.png^dfcaverns_floor_fungus_fine.png"},
@@ -106,7 +119,7 @@ minetest.register_abm{
 -- Hoar moss
 
 minetest.register_node("df_mapitems:ice_with_hoar_moss", {
-	description = S("Ice With Hoar Moss"),
+	description = S("Ice with Hoar Moss"),
 	_doc_items_longdesc = df_mapitems.doc.hoar_moss_desc,
 	_doc_items_usagehelp = df_mapitems.doc.hoar_moss_usage,
 	tiles = {"default_ice.png^dfcaverns_hoar_moss.png"},

df_mapitems/mod.conf

@@ -1,4 +1,4 @@
 name = df_mapitems
 description = Various node types used by the dfcaverns mapgen mod. Includes cave coral, flowstone, glowing crystals, glow worms, moss and fungi ground cover, and snare weed.
 depends = default, subterrane
-optional_depends = df_farming, farming, intllib, doc, radiant_damage
+optional_depends = df_farming, farming, intllib, doc, radiant_damage, trail

df_primordial_items/fungal_nodes.lua

@@ -107,7 +107,7 @@ minetest.register_node("df_primordial_items:glow_pods", {
 -- Dirt
 
 minetest.register_node("df_primordial_items:dirt_with_mycelium", {
-	description = S("Dirt With Primordial Mycelium"),
+	description = S("Dirt with Primordial Mycelium"),
 	tiles = {"dfcaverns_mush_soil.png"},
 	groups = {crumbly = 3, soil = 1},
 	is_ground_content = false,
@@ -115,3 +115,16 @@ minetest.register_node("df_primordial_items:dirt_with_mycelium", {
 	sounds = default.node_sound_dirt_defaults(),
 	light_source = 3,
 })
+
+if minetest.get_modpath("trail") and trail and trail.register_trample_node then	
+	local HARDPACK_PROBABILITY = minetest.settings:get("trail_hardpack_probability") or 0.5 -- Chance walked dirt/grass is worn and compacted to trail:trail.
+	local HARDPACK_COUNT = minetest.settings:get("trail_hardpack_count") or 5 -- Number of times the above chance needs to be passed for soil to compact.
+
+	trail.register_trample_node("df_primordial_items:dirt_with_mycelium", {
+		trampled_node_def_override = {description = S("Dirt with Primordial Mycelium and Footprint"),},
+		footprint_opacity = 196,
+		hard_pack_node_name = "trail:trail",
+		hard_pack_probability = HARDPACK_PROBABILITY,
+		hard_pack_count = HARDPACK_COUNT,
+	})	
+end

df_primordial_items/jungle_nodes.lua

@@ -2,6 +2,11 @@
 local MP = minetest.get_modpath(minetest.get_current_modname())
 local S, NS = dofile(MP.."/intllib.lua")
 
+local vegetation =
+{
+}
+
+
 ----------------------------------------------------
 -- Ferns
 
@@ -250,6 +255,26 @@ minetest.register_node("df_primordial_items:plant_matter", {
 	groups = {crumbly = 3, soil = 1},
 	sounds = default.node_sound_dirt_defaults(),
 })
+if minetest.get_modpath("trail") and trail and trail.register_trample_node then	
+	local HARDPACK_PROBABILITY = minetest.settings:get("trail_hardpack_probability") or 0.5 -- Chance walked dirt/grass is worn and compacted to trail:trail.
+	local HARDPACK_COUNT = minetest.settings:get("trail_hardpack_count") or 5 -- Number of times the above chance needs to be passed for soil to compact.
+
+	trail.register_trample_node("df_primordial_items:dirt_with_jungle_grass", {
+		trampled_node_def_override = {description = S("Dirt With Primordial Jungle Grass and Footprint"),},
+		footprint_opacity = 128,
+		hard_pack_node_name = "trail:trail",
+		hard_pack_probability = HARDPACK_PROBABILITY,
+		hard_pack_count = HARDPACK_COUNT,
+	})	
+	trail.register_trample_node("df_primordial_items:plant_matter", {
+		trampled_node_def_override = {description = S("Primordial Plant Matter with Footprint"),},
+		footprint_opacity = 128,
+		hard_pack_node_name = "trail:trail",
+		hard_pack_probability = HARDPACK_PROBABILITY,
+		hard_pack_count = HARDPACK_COUNT,
+	})
+end
+
 minetest.register_node("df_primordial_items:packed_roots", {
 	description = S("Packed Primordial Jungle Roots"),
 	_doc_items_longdesc = df_primordial_items.doc.packed_roots_desc,
@@ -305,7 +330,7 @@ minetest.register_node("df_primordial_items:jungle_roots_2", {
 	tiles = {"dfcaverns_jungle_root_02.png"},
 	inventory_image = "dfcaverns_jungle_root_02.png",
 	wield_image = "dfcaverns_jungle_root_02.png",
-	groups = {snappy = 3, flora = 1, attached_node = 1, flammable = 1},
+	groups = {snappy = 3, flora = 1, flammable = 1},
 	paramtype = "light",
 	drawtype = "plantlike",
 	sounds = default.node_sound_leaves_defaults(),
@@ -327,7 +352,7 @@ minetest.register_node("df_primordial_items:jungle_thorns", {
 	visual_scale = 1.41,
 	inventory_image = "dfcaverns_jungle_thorns_01.png",
 	wield_image = "dfcaverns_jungle_thorns_01.png",
-	groups = {snappy = 3, flora = 1, attached_node = 1, flammable = 1},
+	groups = {snappy = 3, flora = 1, flammable = 1},
 	paramtype = "light",
 	drawtype = "plantlike",
 	walkable = false,
@@ -337,4 +362,56 @@ minetest.register_node("df_primordial_items:jungle_thorns", {
 	use_texture_alpha = true,
 	sunlight_propagates = true,
 	damage_per_second = 1,
-})
+})
+
+--local thorn_dir = 
+--{
+--	{x=1,y=0,z=1},
+--	{x=-1,y=0,z=-1},
+--	{x=1,y=0,z=0},
+--	{x=1,y=0,z=-1},
+--	{x=-1,y=0,z=0},
+--	{x=-1,y=0,z=1},
+--}
+--
+--
+--local thorn_name = "df_primordial_items:jungle_thorns"
+--minetest.register_abm({
+--	label = "Primordial thorn growth",
+--	nodenames = {thorn_name},
+--	neighbors = {"group:soil"},
+--	interval = 1.0,
+--	chance = 5,
+--	catch_up = true,
+--	action = function(pos, node, active_object_count, active_object_count_wider)
+--		if math.random() < 0.1 then
+--			local above = vector.add({x=0,y=1,z=0},pos)
+--			local below = vector.add({x=0,y=-1,z=0},pos)
+--			local above_node = minetest.get_node(above)
+--			local below_node = minetest.get_node(below)
+--			if above_node.name == "air" and minetest.get_item_group(below_node.name, "soil") then
+--				minetest.set_node(above, {name=thorn_name})
+--			end
+--			if below_node.name == "air" then
+--				minetest.set_node(below, {name=thorn_name})
+--			end
+--			return
+--		end
+--	
+--		local dir = thorn_dir[math.random(#thorn_dir)]
+--		local target_pos = vector.add(dir, pos)
+--		-- This gets the corners of the target zone
+--		local pos1 = vector.add(target_pos, thorn_dir[1])
+--		local pos2 = vector.add(target_pos, thorn_dir[2])
+--
+--		local list, counts = minetest.find_nodes_in_area(pos1, pos2, {thorn_name})
+--		local count = counts[thorn_name]
+--		local target_node = minetest.get_node(target_pos)
+--		-- Cellular automaton rule B3/S12345, approximately
+--		if count == 3 and target_node.name == "air" then
+--			minetest.set_node(target_pos, {name=thorn_name})
+--		elseif count > 5 then
+--			minetest.set_node(target_pos, {name="air"})
+--		end
+--	end
+--})

df_primordial_items/mod.conf

@@ -1,3 +1,4 @@
 name = df_primordial_items
 description = A collection of flora found in the "primordial" cavern layer of DF Caverns
-depends = default, mapgen_helper, subterrane, df_underworld_items, df_trees
+depends = default, mapgen_helper, subterrane, df_underworld_items, df_trees
+optional_depends = trail

df_underworld_items/puzzle_seal.lua

@@ -241,7 +241,7 @@ local digging_seal_def = {
 	tiles = {"dfcaverns_pit_plasma_static.png", "dfcaverns_pit_plasma_static.png^dfcaverns_seal.png", "dfcaverns_pit_plasma_static.png"},
 	paramtype = "light",
 	paramtype2 = "facedir",
-	light_source = 15,
+	light_source = default.LIGHT_MAX,
 	groups = {immortal=1, stone=1, level=3, slade=1, pit_plasma_resistant=1, mese_radiation_shield=1, not_in_creative_inventory=1},
 	sounds = default.node_sound_stone_defaults({ footstep = { name = "bedrock2_step", gain = 1 } }),
 	selection_box = {