Version 0.8 - DeepRealms

Add the new DeepRealms, inspired by Zeno's fork, and add the new salt
crystal, obsidian, and coal dust biomes.

config.lua

@@ -56,6 +56,8 @@ setting("number", "dm_bot", -5000) --lower limit
 --should fortresses and fountains spawn?
 setting("bool", "fortresses", true)
 setting("bool", "fountains", true)
+--Deep cave settings
+setting("number", "deep_cave", -7000) -- upper limit
 
 --minimum number of items in chests found in fortresses
 setting("number", "min_items", 2)

crafting.lua

@@ -41,3 +41,13 @@ minetest.register_craft({
 	type = "shapeless",
 	recipe = {"caverealms:thin_ice"}
 })
+
+--use for coal dust
+minetest.register_craft({
+	output = "default:coalblock",
+	recipe = {
+		{"caverealms:coal_dust","caverealms:coal_dust","caverealms:coal_dust"},
+		{"caverealms:coal_dust","caverealms:coal_dust","caverealms:coal_dust"},
+		{"caverealms:coal_dust","caverealms:coal_dust","caverealms:coal_dust"}
+	}
+})

functions.lua

@@ -119,6 +119,8 @@ function caverealms:crystal_stalagmite(x,y,z, area, data, biome)
 	local c_meseore = minetest.get_content_id("default:stone_with_mese")
 	local c_ruby = minetest.get_content_id("caverealms:glow_ruby")
 	local c_rubore = minetest.get_content_id("caverealms:glow_ruby_ore")
+	local c_ameth = minetest.get_content_id("caverealms:glow_amethyst")
+	local c_amethore = minetest.get_content_id("caverealms:glow_amethyst_ore")
 	local c_ice = minetest.get_content_id("default:ice")
 	local c_thinice = minetest.get_content_id("caverealms:thin_ice")
 
@@ -147,6 +149,9 @@ function caverealms:crystal_stalagmite(x,y,z, area, data, biome)
  		{ {c_ice, c_thinice}, {c_crystore, c_crystal}},
 		{ {c_ice, c_thinice}, {c_crystore, c_crystal}},
 		{ {c_rubore, c_ruby}, {c_meseore, c_mesecry}},
+		{ {c_crystore, c_crystal}, {c_rubore, c_ruby} },
+		{ {c_rubore, c_ruby}, {c_emore, c_emerald}},
+		{ {c_amethore, c_ameth}, {c_meseore, c_mesecry} },
  	}
 
  	local nid_a
@@ -215,6 +220,8 @@ function caverealms:crystal_stalactite(x,y,z, area, data, biome)
 	local c_meseore = minetest.get_content_id("default:stone_with_mese")
 	local c_ruby = minetest.get_content_id("caverealms:glow_ruby")
 	local c_rubore = minetest.get_content_id("caverealms:glow_ruby_ore")
+	local c_ameth = minetest.get_content_id("caverealms:glow_amethyst")
+	local c_amethore = minetest.get_content_id("caverealms:glow_amethyst_ore")
 	local c_ice = minetest.get_content_id("default:ice")
 	local c_thinice = minetest.get_content_id("caverealms:hanging_thin_ice")
 
@@ -243,6 +250,9 @@ function caverealms:crystal_stalactite(x,y,z, area, data, biome)
  		{ {c_ice, c_thinice}, {c_crystore, c_crystal}},
 		{ {c_ice, c_thinice}, {c_crystore, c_crystal}},
 		{ {c_rubore, c_ruby}, {c_meseore, c_mesecry}},
+		{ {c_crystore, c_crystal}, {c_rubore, c_ruby} },
+		{ {c_rubore, c_ruby}, {c_emore, c_emerald}},
+		{ {c_amethore, c_ameth}, {c_meseore, c_mesecry} },
  	}
 
  	local nid_a
@@ -294,6 +304,51 @@ function caverealms:crystal_stalactite(x,y,z, area, data, biome)
 	end
 end
 
+--glowing crystal stalagmite spawner
+function caverealms:salt_stalagmite(x,y,z, area, data, biome)
+
+	if not caverealms:below_solid(x,y,z,area,data) then
+		return
+	end
+	
+	--contest ids
+	local c_stone = minetest.get_content_id("default:stone")
+	local c_salt = minetest.get_content_id("caverealms:salt_crystal")
+	
+	local scale = math.random(2, 4)
+	if scale == 2 then
+		for j = -3, 3 do
+			for k = -3, 3 do
+				local vi = area:index(x+j, y, z+k)
+				data[vi] = c_stone
+				if math.abs(j) ~= 3 and math.abs(k) ~= 3 then
+					local vi = area:index(x+j, y+1, z+k)
+					data[vi] = c_stone
+				end
+			end
+		end
+	else
+		for j = -4, 4 do
+			for k = -4, 4 do
+				local vi = area:index(x+j, y, z+k)
+				data[vi] = c_stone
+				if math.abs(j) ~= 4 and math.abs(k) ~= 4 then
+					local vi = area:index(x+j, y+1, z+k)
+					data[vi] = c_stone
+				end
+			end
+		end
+	end
+	for j = 2, scale + 2 do --y
+		for k = -2, scale - 2 do
+			for l = -2, scale - 2 do
+				local vi = area:index(x+k, y+j, z+l)
+				data[vi] = c_salt -- make cube
+			end
+		end
+	end
+end
+
 --function to create giant 'shrooms
 function caverealms:giant_shroom(x, y, z, area, data)
 
@@ -387,6 +442,7 @@ end
 
 -- Experimental and very geometric function to create giant octagonal crystals in a variety of random directions
 -- Uses calculations for points on a sphere, lines in geometric space
+-- CURRENTLY USELESS, NOT LIKELY TO BE IMPLEMENTED SOON
 function caverealms:giant_shroom(x, y, z, area, data)
 	--Grab content id's... diamond is a placeholder
 	local c_crys = minetest.get_content_id("default:diamondblock")

init.lua

@@ -1,4 +1,4 @@
--- caverealms v.0.4 by HeroOfTheWinds
+-- caverealms v.0.8 by HeroOfTheWinds
 -- original cave code modified from paramat's subterrain
 -- For Minetest 0.4.8 stable
 -- Depends default
@@ -47,6 +47,7 @@ local FORTCHA = caverealms.config.fortcha --0.0003 --chance of DM Fortresses
 
 local DM_TOP = caverealms.config.dm_top -- -4000 --level at which Dungeon Master Realms start to appear
 local DM_BOT = caverealms.config.dm_bot -- -5000 --level at which "" ends
+local DEEP_CAVE = caverealms.config.deep_cave -- -7000 --level at which deep cave biomes take over
 
 -- 3D noise for caves
 
@@ -124,10 +125,26 @@ minetest.register_on_generated(function(minp, maxp, seed)
 	local c_gem3 = minetest.get_content_id("caverealms:glow_gem_3")
 	local c_gem4 = minetest.get_content_id("caverealms:glow_gem_4")
 	local c_gem5 = minetest.get_content_id("caverealms:glow_gem_5")
+	local c_saltgem1 = minetest.get_content_id("caverealms:salt_gem")
+	local c_saltgem2 = minetest.get_content_id("caverealms:salt_gem_2")
+	local c_saltgem3 = minetest.get_content_id("caverealms:salt_gem_3")
+	local c_saltgem4 = minetest.get_content_id("caverealms:salt_gem_4")
+	local c_saltgem5 = minetest.get_content_id("caverealms:salt_gem_5")
+	local c_spike1 = minetest.get_content_id("caverealms:spike")
+	local c_spike2 = minetest.get_content_id("caverealms:spike_2")
+	local c_spike3 = minetest.get_content_id("caverealms:spike_3")
+	local c_spike4 = minetest.get_content_id("caverealms:spike_4")
+	local c_spike5 = minetest.get_content_id("caverealms:spike_5")
 	local c_moss = minetest.get_content_id("caverealms:stone_with_moss")
 	local c_lichen = minetest.get_content_id("caverealms:stone_with_lichen")
 	local c_algae = minetest.get_content_id("caverealms:stone_with_algae")
+	local c_salt = minetest.get_content_id("caverealms:stone_with_salt")
 	local c_hcobble = minetest.get_content_id("caverealms:hot_cobble")
+	local c_gobsidian = minetest.get_content_id("caverealms:glow_obsidian")
+	local c_gobsidian2 = minetest.get_content_id("caverealms:glow_obsidian_2")
+	local c_coalblock = minetest.get_content_id("default:coalblock")
+	local c_desand = minetest.get_content_id("default:desert_sand")
+	local c_coaldust = minetest.get_content_id("caverealms:coal_dust")
 	local c_fungus = minetest.get_content_id("caverealms:fungus")
 	local c_mycena = minetest.get_content_id("caverealms:mycena")
 	local c_worm = minetest.get_content_id("caverealms:glow_worm")
@@ -176,6 +193,12 @@ minetest.register_on_generated(function(minp, maxp, seed)
 		
 		--decoration loop
 		for y = y0, y1 do -- for each x row progressing upwards
+		
+			local is_deep = false
+			if y < DEEP_CAVE then
+				is_deep = true
+			end
+		
 			local tcave --same as above
 			if y < yblmin then
 				tcave = TCAVE + ((yblmin - y) / BLEND) ^ 2
@@ -193,8 +216,14 @@ minetest.register_on_generated(function(minp, maxp, seed)
 				--compare noise values to determine a biome
 				if n_biome >= 0 and n_biome < 0.5 then
 					biome = 1 --moss
+					if is_deep then
+						biome = 7 --salt crystal
+					end
 				elseif n_biome <= -0.5 then
 					biome = 2 --fungal
+					if is_deep then
+						biome = 8 --glow obsidian
+					end
 				elseif n_biome >= 0.5 then
 					if n_biome >= 0.7 then
 						biome = 5 --deep glaciated
@@ -203,6 +232,9 @@ minetest.register_on_generated(function(minp, maxp, seed)
 					end
 				else
 					biome = 3 --algae
+					if is_deep then
+						biome = 9 --coal dust
+					end
 				end
 				
 				if y <= DM_TOP and y >= DM_BOT then
@@ -293,6 +325,58 @@ minetest.register_on_generated(function(minp, maxp, seed)
 							if math.random() < FORTCHA and FORTRESSES then --DM FORTRESS
 								data[ai] = c_fortress
 							end
+						elseif biome == 7 then
+							local bi = area:index(x,y-1,z)
+							data[vi] = c_salt
+							data[bi] = c_salt
+							if math.random() < GEMCHA then
+								-- gems of random size
+								local gems = { c_saltgem1, c_saltgem2, c_saltgem3, c_saltgem4, c_saltgem5 }
+								local gidx = math.random(1, 12)
+								if gidx > 5 then
+									gidx = 1
+								end
+								data[ai] = gems[gidx]
+							end
+							if math.random() < STAGCHA then
+								caverealms:salt_stalagmite(x,y,z, area, data)
+							end
+						elseif biome == 8 then
+							local bi = area:index(x,y-1,z)
+							if math.random() < 0.5 then
+								data[vi] = c_gobsidian
+								data[bi] = c_gobsidian
+							else
+								data[vi] = c_gobsidian2
+								data[bi] = c_gobsidian2
+							end
+							if math.random() < FLACHA then --neverending flames
+								data[ai] = c_flame
+							end
+						elseif biome == 9 then
+							local bi = area:index(x,y-1,z)
+							if math.random() < 0.05 then
+								data[vi] = c_coalblock
+								data[bi] = c_coalblock
+							elseif math.random() < 0.15 then
+								data[vi] = c_coaldust
+								data[bi] = c_coaldust
+							else
+								data[vi] = c_desand
+								data[bi] = c_desand
+							end
+							if math.random() < FLACHA * 0.75 then --neverending flames
+								data[ai] = c_flame
+							end
+							if math.random() < GEMCHA then
+								-- spikes of random size
+								local spikes = { c_spike1, c_spike2, c_spike3, c_spike4, c_spike5 }
+								local sidx = math.random(1, 12)
+								if sidx > 5 then
+									sidx = 1
+								end
+								data[ai] = spikes[sidx]
+							end
 						end
 						
 						if math.random() < STAGCHA then

nodes.lua

@@ -62,6 +62,20 @@ minetest.register_node("caverealms:glow_ruby", {
 	sunlight_propagates = true,
 })
 
+--glowing amethyst
+minetest.register_node("caverealms:glow_amethyst", {
+	description = "Glow Amethyst",
+	tiles = {"caverealms_glow_amethyst.png"},
+	is_ground_content = true,
+	groups = {cracky=3},
+	sounds = default.node_sound_glass_defaults(),
+	light_source = 13,
+	paramtype = "light",
+	use_texture_alpha = true,
+	drawtype = "glasslike",
+	sunlight_propagates = true,
+})
+
 --embedded crystal
 minetest.register_node("caverealms:glow_ore", {
 	description = "Glow Crystal Ore",
@@ -84,7 +98,7 @@ minetest.register_node("caverealms:glow_emerald_ore", {
 	paramtype = "light",
 })
 
---embedded rub
+--embedded ruby
 minetest.register_node("caverealms:glow_ruby_ore", {
 	description = "Glow Ruby Ore",
 	tiles = {"caverealms_glow_ruby_ore.png"},
@@ -95,6 +109,17 @@ minetest.register_node("caverealms:glow_ruby_ore", {
 	paramtype = "light",
 })
 
+--embedded amethyst
+minetest.register_node("caverealms:glow_amethyst_ore", {
+	description = "Glow Amethyst Ore",
+	tiles = {"caverealms_glow_amethyst_ore.png"},
+	is_ground_content = true,
+	groups = {cracky=2},
+	sounds = default.node_sound_glass_defaults(),
+	light_source = 10,
+	paramtype = "light",
+})
+
 --thin (transparent) ice
 minetest.register_node("caverealms:thin_ice", {
 	description = "Thin Ice",
@@ -109,6 +134,20 @@ minetest.register_node("caverealms:thin_ice", {
 	paramtype = "light",
 })
 
+--salt crystal
+minetest.register_node("caverealms:salt_crystal", {
+	description = "Salt Crystal",
+	tiles = {"caverealms_salt_crystal.png"},
+	is_ground_content = true,
+	groups = {cracky=3},
+	sounds = default.node_sound_glass_defaults(),
+	light_source = 11,
+	paramtype = "light",
+	use_texture_alpha = true,
+	drawtype = "glasslike",
+	sunlight_propagates = true,
+})
+
 --alternate version for stalactites
 minetest.register_node("caverealms:hanging_thin_ice", {
 	description = "Thin Ice",
@@ -182,6 +221,72 @@ for i in ipairs(glow_gem_size) do
 	})
 end
 
+--glowing salt gem
+local salt_gem_size = { 1.0, 1.2, 1.4, 1.6, 1.7 }
+
+for i in ipairs(salt_gem_size) do
+	if i == 1 then
+		nodename = "caverealms:salt_gem"
+	else
+		nodename = "caverealms:salt_gem_"..i
+	end
+
+	vs = salt_gem_size[i]
+
+	minetest.register_node(nodename, {
+		description = "Salt Gem",
+		tiles = {"caverealms_salt_gem.png"},
+		inventory_image = "caverealms_salt_gem.png",
+		wield_image = "caverealms_salt_gem.png",
+		is_ground_content = true,
+		groups = {cracky=3, oddly_breakable_by_hand=1},
+		sounds = default.node_sound_glass_defaults(),
+		light_source = 11,
+		paramtype = "light",
+		drawtype = "plantlike",
+		walkable = false,
+		buildable_to = true,
+		visual_scale = vs,
+		selection_box = {
+			type = "fixed",
+			fixed = {-0.5*vs, -0.5*vs, -0.5*vs, 0.5*vs, -5/16*vs, 0.5*vs},
+		}
+	})
+end
+
+--stone spike
+local spike_size = { 1.0, 1.2, 1.4, 1.6, 1.7 }
+
+for i in ipairs(spike_size) do
+	if i == 1 then
+		nodename = "caverealms:spike"
+	else
+		nodename = "caverealms:spike_"..i
+	end
+
+	vs = spike_size[i]
+
+	minetest.register_node(nodename, {
+		description = "Stone Spike",
+		tiles = {"caverealms_spike.png"},
+		inventory_image = "caverealms_spike.png",
+		wield_image = "caverealms_spike.png",
+		is_ground_content = true,
+		groups = {cracky=3, oddly_breakable_by_hand=1},
+		sounds = default.node_sound_stone_defaults(),
+		light_source = 3,
+		paramtype = "light",
+		drawtype = "plantlike",
+		walkable = false,
+		buildable_to = true,
+		visual_scale = vs,
+		selection_box = {
+			type = "fixed",
+			fixed = {-0.5*vs, -0.5*vs, -0.5*vs, 0.5*vs, -5/16*vs, 0.5*vs},
+		}
+	})
+end
+
 --upward pointing icicle
 minetest.register_node("caverealms:icicle_up", {
 	description = "Icicle",
@@ -260,6 +365,20 @@ minetest.register_node("caverealms:stone_with_algae", {
 	}),
 })
 
+--tiny-salt-crystal-covered cobble - pink-ish
+minetest.register_node("caverealms: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 = {crumbly=3},
+	sounds = default.node_sound_glass_defaults(),
+})
+
 --Hot Cobble - cobble with lava instead of mortar XD
 minetest.register_node("caverealms:hot_cobble", {
 	description = "Hot Cobble",
@@ -273,6 +392,40 @@ minetest.register_node("caverealms:hot_cobble", {
 	}),
 })
 
+--Glow Obsidian
+minetest.register_node("caverealms:glow_obsidian", {
+	description = "Glowing Obsidian",
+	tiles = {"caverealms_glow_obsidian.png"},
+	is_ground_content = true,
+	groups = {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("caverealms:glow_obsidian_2", {
+	description = "Hot Glow Obsidian",
+	tiles = {"caverealms_glow_obsidian2.png"},
+	is_ground_content = true,
+	groups = {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},
+	}),
+})
+
+--Coal Dust
+minetest.register_node("caverealms:coal_dust", {
+	description = "Coal Dust",
+	tiles = {"caverealms_coal_dust.png"},
+	is_ground_content = true,
+	groups = {crumbly=3, falling_node=1, sand=1},
+	sounds = default.node_sound_sand_defaults(),
+})
+
 --glow worms
 minetest.register_node("caverealms:glow_worm", {
 	description = "Glow Worms",