Add some cave decorations.

deco_caves.lua

+----------------------
+-- Cave Decorations --
+----------------------
+
+-- Mushrooms and Speleothems
+--  These are instantiated by voxel.lua since the decoration manager
+--   only works at the surface of the world.
+
+local light_max = 9
+loud_walking.time_factor = 10
+
+minetest.register_node("loud_walking:huge_mushroom_cap", {
+	description = "Huge Mushroom Cap",
+	tiles = {"loud_walking_mushroom_giant_cap.png", "loud_walking_mushroom_giant_under.png", "loud_walking_mushroom_giant_cap.png"},
+	is_ground_content = false,
+	paramtype = "light",
+	drawtype = "nodebox",
+	node_box = { type = "fixed", 
+		fixed = {
+			{-0.5, -0.5, -0.33, 0.5, -0.33, 0.33}, 
+			{-0.33, -0.5, 0.33, 0.33, -0.33, 0.5}, 
+			{-0.33, -0.5, -0.33, 0.33, -0.33, -0.5}, 
+			{-0.33, -0.33, -0.33, 0.33, -0.17, 0.33}, 
+		} },
+	light_source = 4,
+	groups = {fleshy=1, dig_immediate=3, flammable=2, plant=1, leafdecay=1},
+})
+
+minetest.register_node("loud_walking:giant_mushroom_cap", {
+	description = "Giant Mushroom Cap",
+	tiles = {"loud_walking_mushroom_giant_cap.png", "loud_walking_mushroom_giant_under.png", "loud_walking_mushroom_giant_cap.png"},
+	is_ground_content = false,
+	paramtype = "light",
+	drawtype = "nodebox",
+	node_box = { type = "fixed", 
+		fixed = {
+			{-0.4, -0.5, -0.4, 0.4, 0.0, 0.4},
+			{-0.75, -0.5, -0.4, -0.4, -0.25, 0.4},
+			{0.4, -0.5, -0.4, 0.75, -0.25, 0.4},
+			{-0.4, -0.5, -0.75, 0.4, -0.25, -0.4},
+			{-0.4, -0.5, 0.4, 0.4, -0.25, 0.75},
+		} },
+	light_source = 8,
+	groups = {fleshy=1, dig_immediate=3, flammable=2, plant=1, leafdecay=1},
+})
+
+minetest.register_node("loud_walking:giant_mushroom_stem", {
+	description = "Giant Mushroom Stem",
+	tiles = {"loud_walking_mushroom_giant_stem.png", "loud_walking_mushroom_giant_stem.png", "loud_walking_mushroom_giant_stem.png"},
+	is_ground_content = false,
+	groups = {tree=1,choppy=2,oddly_breakable_by_hand=1,flammable=2, plant=1},
+	sounds = default.node_sound_wood_defaults(),
+	paramtype = "light",
+	drawtype = "nodebox",
+	node_box = { type = "fixed", fixed = { {-0.25, -0.5, -0.25, 0.25, 0.5, 0.25}, }},
+})
+
+-- Mushroom stems can be used as wood, ala Journey to the Center of the Earth.
+minetest.register_craft({
+	output = "default:wood",
+	recipe = {
+		{"loud_walking:giant_mushroom_stem"}
+	}
+})
+
+-- Caps can be cooked and eaten.
+minetest.register_node("loud_walking:mushroom_steak", {
+	description = "Mushroom Steak",
+	drawtype = "plantlike",
+	paramtype = "light",
+	tiles = {"loud_walking_mushroom_steak.png"},
+	inventory_image = "loud_walking_mushroom_steak.png",
+	on_use = minetest.item_eat(4),
+	groups = {dig_immediate = 3, attached_node = 1},
+})
+
+minetest.register_craft({
+	type = "cooking",
+	output = "loud_walking:mushroom_steak",
+	recipe = "loud_walking:huge_mushroom_cap",
+	cooktime = 2,
+})
+
+minetest.register_craft({
+	type = "cooking",
+	output = "loud_walking:mushroom_steak 2",
+	recipe = "loud_walking:giant_mushroom_cap",
+	cooktime = 2,
+})
+
+-- Glowing fungal stone provides an eerie light.
+minetest.register_node("loud_walking:glowing_fungal_stone", {
+	description = "Glowing Fungal Stone",
+	tiles = {"default_stone.png^loud_walking_glowing_fungal.png",},
+	is_ground_content = true,
+	light_source = 8,
+	groups = {cracky=3, stone=1},
+	drop = {items={ {items={"default:cobble"},}, {items={"loud_walking:glowing_fungus",},},},},
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("loud_walking:glowing_fungus", {
+	description = "Glowing Fungus",
+	drawtype = "plantlike",
+	paramtype = "light",
+	tiles = {"loud_walking_glowing_fungus.png"},
+	inventory_image = "loud_walking_glowing_fungus.png",
+	groups = {dig_immediate = 3, attached_node = 1},
+})
+
+-- The fungus can be made into juice and then into glowing glass.
+minetest.register_node("loud_walking:moon_juice", {
+	description = "Moon Juice",
+	drawtype = "plantlike",
+	paramtype = "light",
+	tiles = {"loud_walking_moon_juice.png"},
+	inventory_image = "loud_walking_moon_juice.png",
+	groups = {dig_immediate = 3, attached_node = 1},
+	sounds = default.node_sound_glass_defaults(),
+})
+
+minetest.register_node("loud_walking:moon_glass", {
+	description = "Moon Glass",
+	drawtype = "glasslike",
+	tiles = {"default_glass.png",},
+	inventory_image = minetest.inventorycube("default_glass.png"),
+	is_ground_content = true,
+	light_source = default.LIGHT_MAX,
+	groups = {cracky=3},
+	sounds = default.node_sound_glass_defaults(),
+})
+
+minetest.register_craft({
+	output = "loud_walking:moon_juice",
+	recipe = {
+		{"loud_walking:glowing_fungus", "loud_walking:glowing_fungus", "loud_walking:glowing_fungus"},
+		{"loud_walking:glowing_fungus", "loud_walking:glowing_fungus", "loud_walking:glowing_fungus"},
+		{"loud_walking:glowing_fungus", "vessels:glass_bottle", "loud_walking:glowing_fungus"},
+	},
+})
+
+minetest.register_craft({
+	output = "loud_walking:moon_glass",
+	type = "shapeless",
+	recipe = {
+		"loud_walking:moon_juice",
+		"loud_walking:moon_juice",
+		"default:glass",
+	},
+})
+
+-- What's a cave without speleothems?
+local spel = {
+	{type1="stalactite", type2="stalagmite", tile="default_stone.png"},
+	{type1="stalactite_slimy", type2="stalagmite_slimy", tile="default_stone.png^loud_walking_algae.png"},
+	{type1="stalactite_mossy", type2="stalagmite_mossy", tile="default_stone.png^loud_walking_moss.png"},
+	{type1="icicle_down", type2="icicle_up", desc="Icicle", tile="caverealms_thin_ice.png", drop="default:ice"},
+}
+
+for _, desc in pairs(spel) do
+	minetest.register_node("loud_walking:"..desc.type1, {
+		description = (desc.desc or "Stalactite"),
+		tiles = {desc.tile},
+		is_ground_content = true,
+		walkable = false,
+		paramtype = "light",
+		--light_source = 14,
+		drop = (desc.drop or "loud_walking:stalactite"),
+		drawtype = "nodebox",
+		node_box = { type = "fixed", 
+			fixed = {
+				{-0.07, 0.0, -0.07, 0.07, 0.5, 0.07}, 
+				{-0.04, -0.25, -0.04, 0.04, 0.0, 0.04}, 
+				{-0.02, -0.5, -0.02, 0.02, 0.25, 0.02}, 
+			} },
+		groups = {rock=1, cracky=3},
+		sounds = default.node_sound_stone_defaults(),
+	})
+
+	minetest.register_node("loud_walking:"..desc.type2, {
+		description = (desc.desc or "Stalagmite"),
+		tiles = {desc.tile},
+		is_ground_content = true,
+		walkable = false,
+		paramtype = "light",
+		--light_source = 14,
+		drop = "loud_walking:stalagmite",
+		drawtype = "nodebox",
+		node_box = { type = "fixed", 
+			fixed = {
+				{-0.07, -0.5, -0.07, 0.07, 0.0, 0.07}, 
+				{-0.04, 0.0, -0.04, 0.04, 0.25, 0.04}, 
+				{-0.02, 0.25, -0.02, 0.02, 0.5, 0.02}, 
+			} },
+		groups = {rock=1, cracky=3},
+		sounds = default.node_sound_stone_defaults(),
+	})
+end
+
+-- They can be made into cobblestone, to get them out of inventory.
+minetest.register_craft({
+	output = "default:cobble",
+	recipe = {
+		{"", "", ""},
+		{"loud_walking:stalactite", "loud_walking:stalactite", ""},
+		{"loud_walking:stalactite", "loud_walking:stalactite", ""},
+	},
+})
+
+minetest.register_craft({
+	output = "default:cobble",
+	recipe = {
+		{"", "", ""},
+		{"loud_walking:stalagmite", "loud_walking:stalagmite", ""},
+		{"loud_walking:stalagmite", "loud_walking:stalagmite", ""},
+	},
+})
+
+minetest.register_node("loud_walking:glowing_dirt", {
+	description = "Glowing Dirt",
+	tiles = {"default_dirt.png"},
+	groups = {crumbly = 3, soil = 1},
+	light_source = default.LIGHT_MAX,
+	sounds = default.node_sound_dirt_defaults(),
+	soil = {
+		base = "loud_walking:glowing_dirt",
+		dry = "loud_walking:glowing_soil",
+		wet = "loud_walking:glowing_soil_wet"
+	},
+})
+
+minetest.register_node("loud_walking:glowing_soil", {
+	description = "Glowing Soil",
+	tiles = {"default_dirt.png^farming_soil.png", "default_dirt.png"},
+	drop = "loud_walking:glowing_dirt",
+	groups = {crumbly=3, not_in_creative_inventory=1, soil=2, grassland = 1, field = 1},
+	sounds = default.node_sound_dirt_defaults(),
+	light_source = default.LIGHT_MAX,
+	soil = {
+		base = "loud_walking:glowing_dirt",
+		dry = "loud_walking:glowing_soil",
+		wet = "loud_walking:glowing_soil_wet"
+	},
+})
+
+minetest.register_node("loud_walking:glowing_soil_wet", {
+	description = "Wet Glowing Soil",
+	tiles = {"default_dirt.png^farming_soil_wet.png", "default_dirt.png^farming_soil_wet_side.png"},
+	drop = "loud_walking:glowing_dirt",
+	groups = {crumbly=3, not_in_creative_inventory=1, soil=3, wet = 1, grassland = 1, field = 1},
+	sounds = default.node_sound_dirt_defaults(),
+	light_source = default.LIGHT_MAX,
+	soil = {
+		base = "loud_walking:glowing_dirt",
+		dry = "loud_walking:glowing_soil",
+		wet = "loud_walking:glowing_soil_wet"
+	},
+})
+
+minetest.register_craft({
+	output = "loud_walking:glowing_dirt",
+	type = "shapeless",
+	recipe = {
+		"loud_walking:moon_juice",
+		"default:dirt",
+	},
+})
+
+--thin (transparent) ice
+minetest.register_node("loud_walking:thin_ice", {
+	description = "Thin Ice",
+	tiles = {"caverealms_thin_ice.png"},
+	is_ground_content = true,
+	groups = {cracky=3},
+	sounds = default.node_sound_glass_defaults(),
+	use_texture_alpha = true,
+	light_source = 1,
+	drawtype = "glasslike",
+	sunlight_propagates = true,
+	freezemelt = "default:water_source",
+	paramtype = "light",
+})
+
+minetest.register_node("loud_walking:stone_with_moss", {
+	description = "Cave Stone with Moss",
+	tiles = {"default_stone.png^loud_walking_moss.png"},
+	is_ground_content = true,
+	light_source = 1,
+	groups = {stone=1, crumbly=3},
+	drop = 'default:cobble',
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name="default_grass_footstep", gain=0.25},
+	}),
+})
+
+minetest.register_node("loud_walking:stone_with_lichen", {
+	description = "Cave Stone with Lichen",
+	tiles = {"default_stone.png^loud_walking_lichen.png"},
+	is_ground_content = true,
+	light_source = 1,
+	groups = {stone=1, crumbly=3},
+	drop = 'default:cobble',
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name="default_grass_footstep", gain=0.25},
+	}),
+})
+
+minetest.register_node("loud_walking:stone_with_algae", {
+	description = "Cave Stone with Algae",
+	tiles = {"default_stone.png^loud_walking_algae.png"},
+	is_ground_content = true,
+	light_source = 1,
+	groups = {stone=1, crumbly=3},
+	drop = 'default:cobble',
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name="default_grass_footstep", gain=0.25},
+	}),
+})
+
+minetest.register_node("loud_walking:stone_with_salt", {
+	description = "Cave Stone with Salt",
+	tiles = {"caverealms_salty2.png"},--{"caverealms_salty2.png^caverealms_salty.png", "caverealms_salty2.png", "caverealms_salty2.png^caverealms_salty_side.png"},
+	light_source = 9,
+	paramtype = "light",
+	use_texture_alpha = true,
+	drawtype = "glasslike",
+	sunlight_propagates = true,
+	is_ground_content = true,
+	groups = {stone=1, crumbly=3},
+	sounds = default.node_sound_glass_defaults(),
+})
+
+--Glow Obsidian
+minetest.register_node("loud_walking:glow_obsidian", {
+	description = "Glowing Obsidian",
+	tiles = {"caverealms_glow_obsidian.png"},
+	is_ground_content = true,
+	groups = {stone=2, crumbly=1},
+	light_source = 7,
+	sounds = default.node_sound_stone_defaults({
+		footstep = {name="default_stone_footstep", gain=0.25},
+	}),
+})
+
+--Glow Obsidian 2 - has traces of lava
+minetest.register_node("loud_walking:glow_obsidian_2", {
+	description = "Hot Glow Obsidian",
+	tiles = {"caverealms_glow_obsidian2.png"},
+	is_ground_content = true,
+	groups = {stone=2, crumbly=1, hot=1},
+	damage_per_second = 1,
+	light_source = 9,
+	sounds = default.node_sound_stone_defaults({
+		footstep = {name="default_stone_footstep", gain=0.25},
+	}),
+})
+
+
+--minetest.register_node("loud_walking:bright_air", {
+--	drawtype = "glasslike",
+--	tiles = {"technic_light.png"},
+--	paramtype = "light",
+--	groups = {not_in_creative_inventory=1},
+--	drop = "",
+--	walkable = false,
+--	buildable_to = true,
+--	sunlight_propagates = true,
+--	light_source = LIGHT_MAX,
+--	pointable = false,
+--})
+
+--define special flame so that it does not expire
+minetest.register_node("loud_walking:constant_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,hot=3, not_in_creative_inventory=1},
+	drop = '',
+	walkable = false,
+	buildable_to = true,
+	damage_per_second = 4,
+	
+	--after_place_node = function(pos, placer)
+	--	if pos.y > -7000 then
+	--		minetest.remove_node(pos)
+	--	end
+	--end,
+})
+
+--Hot Cobble - cobble with lava instead of mortar XD
+minetest.register_node("loud_walking:hot_cobble", {
+	description = "Hot Cobble",
+	tiles = {"caverealms_hot_cobble.png"},
+	is_ground_content = true,
+	groups = {crumbly=2, hot=1},
+	damage_per_second = 1,
+	light_source = 3,
+	sounds = default.node_sound_stone_defaults({
+		footstep = {name="default_stone_footstep", gain=0.25},
+	}),
+})
+
+-- mushroom growth
+minetest.register_abm({
+	nodenames = {"flowers:mushroom_brown", "flowers:mushroom_red"},
+	interval = 50 * loud_walking.time_factor,
+	chance = 100,
+	action = function(pos, node)
+		if pos.y > -50 then
+			return
+		end
+		local pos_up = {x=pos.x,y=pos.y+1,z=pos.z}
+		local node_up = minetest.get_node_or_nil(pos_up)
+		if not node_up then
+			return
+		end
+		if node_up.name ~= "air" then
+			return
+		end
+		local node_under = minetest.get_node_or_nil({x = pos.x, y = pos.y - 1, z = pos.z})
+		if not node_under then
+			return
+		end
+		if minetest.get_item_group(node_under.name, "soil") ~= 0 and
+				minetest.get_node_light(pos_up, nil) <= light_max then
+			minetest.set_node(pos_up, {name = "loud_walking:huge_mushroom_cap"})
+			minetest.set_node(pos, {name = "loud_walking:giant_mushroom_stem"})
+		end
+	end
+})
+
+-- mushroom growth
+minetest.register_abm({
+	nodenames = {"loud_walking:huge_mushroom_cap"},
+	interval = 100 * loud_walking.time_factor,
+	chance = 150,
+	action = function(pos, node)
+		if minetest.get_node_light(pos, nil) >= 14 then
+			minetest.set_node(pos, {name = "air"})
+			return
+		end
+		local pos_up = {x=pos.x,y=pos.y+1,z=pos.z}
+		local node_up = minetest.get_node_or_nil(pos_up)
+		if not node_up then
+			return
+		end
+		if node_up.name ~= "air" then
+			return
+		end
+		local node_under = minetest.get_node_or_nil({x = pos.x, y = pos.y - 1, z = pos.z})
+		if not node_under or node_under.name ~= "loud_walking:giant_mushroom_stem" then
+			return
+		end
+		node_under = minetest.get_node_or_nil({x = pos.x, y = pos.y - 2, z = pos.z})
+		if not node_under then
+			return
+		end
+		if minetest.get_item_group(node_under.name, "soil") ~= 0 and
+				minetest.get_node_light(pos_up, nil) <= light_max then
+			minetest.set_node(pos_up, {name = "loud_walking:giant_mushroom_cap"})
+			minetest.set_node(pos, {name = "loud_walking:giant_mushroom_stem"})
+		end
+	end
+})
+
+-- mushroom growth
+minetest.register_abm({
+	nodenames = {"loud_walking:giant_mushroom_stem"},
+	interval = 5 * loud_walking.time_factor,
+	chance = 5,
+	action = function(pos, node)
+		local pos_up = {x=pos.x,y=pos.y+1,z=pos.z}
+		local node_up = minetest.get_node_or_nil(pos_up)
+		if not node_up then
+			return
+		end
+		if node_up.name ~= "air" then
+			return
+		end
+		if minetest.get_node_light(pos_up, nil) <= light_max then
+			minetest.set_node(pos_up, {name = "loud_walking:huge_mushroom_cap"})
+		end
+	end
+})
+
+-- mushroom spread
+minetest.register_abm({
+	nodenames = {"loud_walking:giant_mushroom_cap", "loud_walking:huge_mushroom_cap"},
+	interval = 3 * loud_walking.time_factor,
+	chance = 40,
+	action = function(pos, node)
+		if minetest.get_node_light(pos, nil) >= 14 then
+			minetest.set_node(pos, {name = "air"})
+			return
+		end
+		local pos_down = pos
+		pos_down.y = pos_down.y - 1
+		local pos1, count = minetest.find_nodes_in_area_under_air(vector.subtract(pos_down, 4), vector.add(pos_down, 4), {"group:soil"})
+		if #pos1 < 1 then
+			return
+		end
+		local random = pos1[math.random(1, #pos1)]
+		random.y = random.y + 1
+		local mushroom_type
+		if math.random(1,2) == 1 then
+			mushroom_type = "flowers:mushroom_red"
+		else
+			mushroom_type = "flowers:mushroom_brown"
+		end
+		if minetest.get_node_light(random, nil) <= light_max then
+			minetest.set_node(random, {name = mushroom_type})
+		end
+	end
+})

init.lua

@@ -79,6 +79,7 @@ end
 
 dofile(loud_walking.path .. "/nodes.lua")
 dofile(loud_walking.path .. "/deco.lua")
+dofile(loud_walking.path .. "/deco_caves.lua")
 dofile(loud_walking.path .. "/mapgen.lua")
 
 

mapgen.lua

@@ -178,6 +178,7 @@ local function get_biome(px, pz)
 	end
 	local biome = biome_names[rarity][math.random(#biome_names[rarity])]
 	return biome
+	--return "glacier"
 end
 
 local function get_decoration(biome)
@@ -267,7 +268,11 @@ function loud_walking.generate(p_minp, p_maxp, seed)
 
 			local terr = get_height(dx, dz, biomes[biome].terrain_scale, ocean, index)
 			local in_cave = false
+			if biome == "underground" then
+				terr = half - 5
+			end
 
+			local cave_height = 0
 			for y = minp.y, maxp.y do
 				local dy = y - minp.y
 				if pod then
@@ -325,20 +330,32 @@ function loud_walking.generate(p_minp, p_maxp, seed)
 					elseif dy > terr + ground then
 						data[ivm] = node("air")
 						in_cave = false
-					elseif cave[index3d] ^ 2 > 0.1 + dy / half then
+					elseif cave[index3d] ^ 2 > (biome == "underground" and 0.5 or 1.3 - math.sin(dy / (half * 0.2))) then
 						if terr + ground >= dy and not in_cave and dy > terr + ground - 10 then
 							data[ivm] = node(node_top)
 						elseif dy == 1 then
-							local sr = math.random(9)
-							if not ocean and not swamp and not beach and sr == 1 then
+							if not ocean and not swamp and not beach and math.random(6) == 1 then
 								data[ivm] = node("default:lava_source")
-							elseif sr > 6 then
-								data[ivm] = node(node_stone)
 							elseif ocean or swamp or beach then
 								data[ivm] = node(node_filler)
 							end
-						elseif ocean or swamp or beach and dy < half then
+						elseif (ocean or swamp or beach) and not in_cave and node_stone == "default:stone" and dy < half and math.random(20) == 1 then
+							data[ivm] = node("loud_walking:glowing_fungal_stone")
+						elseif (ocean or swamp or beach) and dy < half then
 							data[ivm] = node(node_water)
+						elseif cave_height == 2 and node_filler == "default:dirt" and data[ivm - 3] == node(node_stone) and math.random(40) == 1 then
+							data[ivm] = node("loud_walking:giant_mushroom_cap")
+							data[ivm - a.ystride] = node("loud_walking:giant_mushroom_stem")
+							data[ivm - 2 * a.ystride] = node("loud_walking:giant_mushroom_stem")
+							data[ivm - 3 * a.ystride] = node(node_filler)
+						elseif cave_height == 1 and node_filler == "default:dirt" and data[ivm - 3] == node(node_stone) and math.random(20) == 1 then
+							data[ivm] = node("loud_walking:huge_mushroom_cap")
+							data[ivm - a.ystride] = node("loud_walking:giant_mushroom_stem")
+							data[ivm - 2 * a.ystride] = node(node_filler)
+						elseif not in_cave and node_stone == "default:stone" and math.random(10) == 1 then
+							data[ivm] = node("loud_walking:stalagmite")
+						elseif not in_cave and node_stone == "default:ice" and math.random(10) == 1 then
+							data[ivm] = node("loud_walking:icicle_up")
 						else
 							data[ivm] = node("air")
 						end
@@ -356,6 +373,13 @@ function loud_walking.generate(p_minp, p_maxp, seed)
 						write = true
 					else
 						data[ivm] = node(node_stone)
+						if in_cave and node_stone == "default:stone" and math.random(20) == 1 then
+							data[ivm] = node("loud_walking:glowing_fungal_stone")
+						elseif in_cave and not (ocean or swamp or beach) and node_stone == "default:stone" and math.random(10) == 1 then
+							data[ivm - a.ystride] = node("loud_walking:stalactite")
+						elseif in_cave and not (ocean or swamp or beach) and node_stone == "default:ice" and math.random(10) == 1 then
+							data[ivm - a.ystride] = node("loud_walking:icicle_down")
+						end
 						lightmap[ivm] = 0
 						in_cave = false
 						write = true
@@ -366,6 +390,11 @@ function loud_walking.generate(p_minp, p_maxp, seed)
 					write = true
 				end
 
+				if in_cave then
+					cave_height = cave_height + 1
+				else
+					cave_height = 0
+				end
 				ivm = ivm + a.ystride
 				index3d = index3d + csize.x
 			end
@@ -377,8 +406,8 @@ function loud_walking.generate(p_minp, p_maxp, seed)
 		for dz = 0, 75, 5 do
 			for dx = 0, 75, 5 do
 				if math.random(2) == 1 then
-					local x = minp.x + dx + math.random(0, 4)
-					local z = minp.z + dz + math.random(0, 4)
+					local x = minp.x + dx + math.random(5) - 1
+					local z = minp.z + dz + math.random(5) - 1
 					local y = minp.y + get_height(x - minp.x, z - minp.z, biomes[biome].terrain_scale, ocean) + ground
 
 					local ivm = a:index(x, y, z)
@@ -406,7 +435,7 @@ function loud_walking.generate(p_minp, p_maxp, seed)
 		minetest.generate_decorations(vm, minp, maxp)
 		--vm:set_param2_data(p2data)
 		--vm:set_lighting({day = 15, night = 0})
-		vm:set_light_data(lightmap)
+		--vm:set_light_data(lightmap)
 		vm:calc_lighting(minp, maxp, false)
 		vm:update_liquids()
 		vm:write_to_map()