Fresh ice, red cobble, redo clouds with existing noises

README.txt

@@ -1,4 +1,5 @@
-watershed 0.3.5 by paramat
+watershed 0.3.6 by paramat
 For latest stable Minetest back to 0.4.8
-Depends default
-Licenses: code WTFPL
+Depends default bucket
+Licenses: code WTFPL, textures CC BY-SA
+watershed:redcobble texture CC BY-SA by brunob.santos minetestbr.blogspot.com

functions.lua

@@ -212,11 +212,11 @@ end
 -- Register buckets, lava fuel
 
 bucket.register_liquid(
-	"watershed:water",
-	"watershed:waterflow",
-	"watershed:bucket_water",
-	"watershed_bucketwater.png",
-	"WS Water Bucket"
+	"watershed:freshwater",
+	"watershed:freshwaterflow",
+	"watershed:bucket_freshwater",
+	"watershed_bucketfreshwater.png",
+	"WS Fresh Water Bucket"
 )
 
 bucket.register_liquid(
@@ -234,11 +234,11 @@ minetest.register_craft({
 	replacements = {{"watershed:bucket_lava", "bucket:bucket_empty"}},
 })
 
--- Singlenode mapgen option
+-- Singlenode option
 
-local SINGLENODE = true
+local SINODE = true
 
-if SINGLENODE then
+if SINODE then
 	-- Set mapgen parameters
 
 	minetest.register_on_mapgen_init(function(mgparams)
@@ -322,21 +322,21 @@ if SINGLENODE then
 			local x1 = x0 + 79
 			local z1 = z0 + 79
 			local y1 = 47
-		
+	
 			local sidelen = 80
 			local chulens = {x=sidelen, y=sidelen, z=sidelen}
 			local minposxyz = {x=x0, y=y0, z=z0}
 			local minposxz = {x=x0, y=z0}
-	
+
 			local nvals_rough = minetest.get_perlin_map(np_rough, chulens):get3dMap_flat(minposxyz)
 			local nvals_smooth = minetest.get_perlin_map(np_smooth, chulens):get3dMap_flat(minposxyz)
 			local nvals_fault = minetest.get_perlin_map(np_fault, chulens):get3dMap_flat(minposxyz)
 			local nvals_temp = minetest.get_perlin_map(np_temp, chulens):get3dMap_flat(minposxyz)
 			local nvals_humid = minetest.get_perlin_map(np_humid, chulens):get3dMap_flat(minposxyz)
-	
+
 			local nvals_base = minetest.get_perlin_map(np_base, chulens):get2dMap_flat(minposxz)
 			local nvals_xlscale = minetest.get_perlin_map(np_xlscale, chulens):get2dMap_flat(minposxz)
-		
+	
 			local nixz = 1
 			local nixyz = 1
 			for z = z0, z1 do

init.lua

@@ -1,7 +1,13 @@
--- watershed 0.3.5 by paramat
+-- watershed 0.3.6 by paramat
 -- For latest stable Minetest and back to 0.4.8
 -- Depends default bucket
--- License: code WTFPL
+-- License: code WTFPL, textures CC BY-SA
+-- Red cobble texture CC BY-SA by brunob.santos minetestbr.blogspot.com
+
+-- added turquoise fresh ice node
+-- bugfix: stone drops default:cobble
+-- add red cobble, texture by brunob.santos
+-- redo clouds using fissure and humid noises, new texture
 
 -- Parameters
 
@@ -9,8 +15,8 @@ local YMIN = -33000 -- Approximate base of realm stone
 local YMAX = 33000 -- Approximate top of atmosphere / mountains / floatlands
 local TERCEN = -160 -- Terrain 'centre', average seabed level
 local YWAT = 1 -- Sea surface y
-local YCLOUD = 256 -- Cloud level
-local CLOUDS = true
+local YCLOMIN = 287 -- Minimum height of mod clouds
+local CLOUDS = true -- Mod clouds?
 
 local TERSCA = 512 -- Vertical terrain scale
 local XLSAMP = 0.2 -- Extra large scale height variation amplitude
@@ -26,15 +32,13 @@ local TLAVA = 2.3 -- Maximum densitybase threshold for lava, small because grad
 local FIST = 0 -- Fissure threshold at surface, controls size of fissure entrances at surface
 local FISEXP = 0.02 -- Fissure expansion rate under surface
 local ORETHI = 0.001 -- Ore seam thickness tuner
-local ORET = 0.02 -- Ore threshold for seam
-local TCLOUD = 0.5 -- Cloud threshold
+local SEAMT = 0.02 -- Seam threshold
 
 local HITET = 0.35 -- High temperature threshold
 local LOTET = -0.35 -- Low ..
 local ICETET = -0.7 -- Ice ..
 local HIHUT = 0.35 -- High humidity threshold
 local LOHUT = -0.35 -- Low ..
-local CLOHUT = 0.35 -- Cloud humidity threshold
 
 local PINCHA = 36 -- Pine tree 1/x chance per node
 local APTCHA = 36 -- Appletree
@@ -115,9 +119,9 @@ local np_humid = {
 	persist = 0.5
 }
 
--- 3D noise for ore seams
+-- 3D noise for ore seam networks
 
-local np_ore = {
+local np_seam = {
 	offset = 0,
 	scale = 1,
 	spread = {x=512, y=128, z=512},
@@ -126,7 +130,7 @@ local np_ore = {
 	persist = 0.5
 }
 
--- 3D noise for rock strata
+-- 3D noise for rock strata inclination
 
 local np_strata = {
 	offset = 0,
@@ -159,17 +163,6 @@ local np_xlscale = {
 	persist = 0.4
 }
 
--- 2D noise for clouds
-
-local np_cloud = {
-	offset = 0,
-	scale = 1,
-	spread = {x=207, y=207, z=207},
-	seed = 2113,
-	octaves = 4,
-	persist = 0.7
-}
-
 -- 2D noise for magma surface
 
 local np_magma = {
@@ -236,16 +229,17 @@ minetest.register_on_generated(function(minp, maxp, seed)
 	local c_grass5 = minetest.get_content_id("default:grass_5")
 	local c_obsidian = minetest.get_content_id("default:obsidian")
 	
-	local c_wswater = minetest.get_content_id("watershed:water")
+	local c_wsfreshwater = minetest.get_content_id("watershed:freshwater")
 	local c_wsstone = minetest.get_content_id("watershed:stone")
 	local c_wsredstone = minetest.get_content_id("watershed:redstone")
 	local c_wsgrass = minetest.get_content_id("watershed:grass")
 	local c_wsdrygrass = minetest.get_content_id("watershed:drygrass")
-	local c_wsgoldgrass = minetest.get_content_id("watershed:goldengrass")
+	local c_wsgoldengrass = minetest.get_content_id("watershed:goldengrass")
 	local c_wsdirt = minetest.get_content_id("watershed:dirt")
-	local c_wscloud = minetest.get_content_id("watershed:cloud")
 	local c_wspermafrost = minetest.get_content_id("watershed:permafrost")
 	local c_wslava = minetest.get_content_id("watershed:lava")
+	local c_wsfreshice = minetest.get_content_id("watershed:freshice")
+	local c_wscloud = minetest.get_content_id("watershed:cloud")
 	-- perlinmap stuff
 	local sidelen = x1 - x0 + 1
 	local chulens = {x=sidelen, y=sidelen+2, z=sidelen}
@@ -258,12 +252,11 @@ minetest.register_on_generated(function(minp, maxp, seed)
 	local nvals_fissure = minetest.get_perlin_map(np_fissure, chulens):get3dMap_flat(minposxyz)
 	local nvals_temp = minetest.get_perlin_map(np_temp, chulens):get3dMap_flat(minposxyz)
 	local nvals_humid = minetest.get_perlin_map(np_humid, chulens):get3dMap_flat(minposxyz)
-	local nvals_ore = minetest.get_perlin_map(np_ore, chulens):get3dMap_flat(minposxyz)
+	local nvals_seam = minetest.get_perlin_map(np_seam, chulens):get3dMap_flat(minposxyz)
 	local nvals_strata = minetest.get_perlin_map(np_strata, chulens):get3dMap_flat(minposxyz)
 	
 	local nvals_base = minetest.get_perlin_map(np_base, chulens):get2dMap_flat(minposxz)
 	local nvals_xlscale = minetest.get_perlin_map(np_xlscale, chulens):get2dMap_flat(minposxz)
-	local nvals_cloud = minetest.get_perlin_map(np_cloud, chulens):get2dMap_flat(minposxz)
 	local nvals_magma = minetest.get_perlin_map(np_magma, chulens):get2dMap_flat(minposxz)
 	
 	local ungen = false -- ungenerated chunk below?
@@ -303,11 +296,10 @@ minetest.register_on_generated(function(minp, maxp, seed)
 				local tsand = TSAND * (1 - terblen)
 				local tstone = TSTONE * (1 + grad * 0.5)
 				local tlava = TLAVA * (1 - nvals_magma[nixz] ^ 4 * terblen ^ 16 * 0.5)
-				local nofis = false
-				if density >= 0 then -- if terrain set fissure flag
-					if math.abs(nvals_fissure[nixyz]) > FIST + math.sqrt(density) * FISEXP then
-						nofis = true
-					end
+				
+				local nofis = false -- set fissure bool
+				if math.abs(nvals_fissure[nixyz]) > FIST + math.sqrt(density) * FISEXP then
+					nofis = true
 				end
 				-- overgeneration and in-chunk generation
 				if y == y0 - 1 then -- node layer below chunk
@@ -317,7 +309,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 						else
 							stable[si] = 0
 						end
-					else
+					else -- scan top layer of chunk below
 						local nodename = minetest.get_node({x=x,y=y,z=z}).name
 						if nodename == "watershed:stone"
 						or nodename == "watershed:redstone"
@@ -385,7 +377,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 							data[vi] = c_sandstone
 						elseif biome == 7 and density < TSTONE * 3 then -- desert stone
 							data[vi] = c_wsredstone
-						elseif math.abs(nvals_ore[nixyz]) < ORET then -- if seam
+						elseif math.abs(nvals_seam[nixyz]) < SEAMT then -- if seam
 							if densityper >= 0.9 and densityper <= 0.9 + ORETHI
 							and math.random(23) == 2 then
 								data[vi] = c_stodiam
@@ -466,22 +458,19 @@ minetest.register_on_generated(function(minp, maxp, seed)
 						under[si] = 0
 					elseif densitybase >= triv and density < tstone then -- river water, not in fissures
 						if n_temp < ICETET then
-							data[vi] = c_ice
+							data[vi] = c_wsfreshice
 						else
-							data[vi] = c_wswater
+							data[vi] = c_wsfreshwater
 						end
 						stable[si] = 0
 						under[si] = 0
-					elseif CLOUDS and y == YCLOUD then -- clouds
+					elseif CLOUDS and y == y1 and y >= YCLOMIN then -- clouds at chunk top
 						local xrq = 16 * math.floor((x - x0) / 16) -- quantise to 16x16 lattice
 						local zrq = 16 * math.floor((z - z0) / 16)
-						local qixz = zrq * 80 + xrq + 1 -- quantised index
-						if nvals_cloud[qixz] > TCLOUD then
-							local yrq = 16 * math.floor((y - y0) / 16)
-							local qixyz = zrq * 6400 + yrq * 80 + xrq + 1
-							if nvals_humid[qixyz] > CLOHUT then
-								data[vi] = c_wscloud
-							end
+						local yrq = 79
+						local qixyz = zrq * 6400 + yrq * 80 + xrq + 1 -- quantised 3D index
+						if math.abs(nvals_fissure[qixyz]) < nvals_humid[qixyz] * 0.1 then
+							data[vi] = c_wscloud
 						end
 						stable[si] = 0
 						under[si] = 0
@@ -490,7 +479,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 							local fnoise = nvals_fissure[nixyz]
 							if under[si] == 1 then
 								if math.random(121) == 2 then
-									data[viu] = c_dirtsnow
+									data[viu] = c_snowblock
 								elseif math.random(121) == 2 then
 									data[viu] = c_ice
 								else
@@ -513,7 +502,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 								data[viu] = c_wsdrygrass
 								if math.random(GRACHA) == 2 then
 									if math.random(5) == 2 then
-										data[vi] = c_wsgoldgrass
+										data[vi] = c_wsgoldengrass
 									else
 										data[vi] = c_dryshrub
 									end
@@ -550,7 +539,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 								else
 									data[viu] = c_wsdrygrass
 									if math.random(GOGCHA) == 2 then
-										data[vi] = c_wsgoldgrass
+										data[vi] = c_wsgoldengrass
 									end
 								end
 							elseif under[si] == 9 then

nodes.lua

@@ -67,6 +67,15 @@ minetest.register_node("watershed:redstone", {
 	tiles = {"default_desert_stone.png"},
 	is_ground_content = false,
 	groups = {cracky=3},
+	drop = "watershed:redcobble",
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("watershed:redcobble", {
+	description = "WS Red Cobblestone",
+	tiles = {"watershed_redcobble.png"},
+	is_ground_content = false,
+	groups = {cracky=3, stone=2},
 	sounds = default.node_sound_stone_defaults(),
 })
 
@@ -75,24 +84,10 @@ minetest.register_node("watershed:stone", {
 	tiles = {"default_stone.png"},
 	is_ground_content = false,
 	groups = {cracky=3},
+	drop = "default:cobble",
 	sounds = default.node_sound_stone_defaults(),
 })
 
-minetest.register_node("watershed:cloud", {
-	description = "WS Cloud",
-	drawtype = "glasslike",
-	tiles = {"watershed_cloud.png"},
-	paramtype = "light",
-	is_ground_content = false,
-	sunlight_propagates = true,
-	walkable = false,
-	pointable = false,
-	diggable = false,
-	buildable_to = true,
-	post_effect_color = {a=64, r=241, g=248, b=255},
-	groups = {not_in_creative_inventory=1},
-})
-
 minetest.register_node("watershed:cactus", {
 	description = "WS Cactus",
 	tiles = {"default_cactus_top.png", "default_cactus_top.png", "default_cactus_side.png"},
@@ -146,7 +141,6 @@ minetest.register_node("watershed:vine", {
 	description = "WS Jungletree Vine",
 	drawtype = "airlike",
 	paramtype = "light",
-	sunlight_propagates = true,
 	walkable = false,
 	climbable = true,
 	pointable = false,
@@ -156,20 +150,42 @@ minetest.register_node("watershed:vine", {
 	groups = {not_in_creative_inventory=1},
 })
 
-minetest.register_node("watershed:water", {
-	description = "WS Water Source",
-	inventory_image = minetest.inventorycube("watershed_water.png"),
+minetest.register_node("watershed:freshice", {
+	description = "WS Fresh Ice",
+	tiles = {"watershed_freshice.png"},
+	is_ground_content = false,
+	paramtype = "light",
+	groups = {cracky=3},
+	sounds = default.node_sound_glass_defaults(),
+})
+
+minetest.register_node("watershed:cloud", {
+	description = "WS Cloud",
+	drawtype = "glasslike",
+	tiles = {"watershed_cloud.png"},
+	paramtype = "light",
+	sunlight_propagates = true,
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	post_effect_color = {a=23, r=241, g=248, b=255},
+})
+
+minetest.register_node("watershed:freshwater", {
+	description = "WS Fresh Water Source",
+	inventory_image = minetest.inventorycube("watershed_freshwater.png"),
 	drawtype = "liquid",
 	tiles = {
 		{
-			name="watershed_wateranim.png",
+			name="watershed_freshwateranim.png",
 			animation={type="vertical_frames",
 			aspect_w=16, aspect_h=16, length=2.0}
 		}
 	},
 	special_tiles = {
 		{
-			name="watershed_wateranim.png",
+			name="watershed_freshwateranim.png",
 			animation={type="vertical_frames",
 			aspect_w=16, aspect_h=16, length=2.0},
 			backface_culling = false,
@@ -185,8 +201,8 @@ minetest.register_node("watershed:water", {
 	drop = "",
 	drowning = 1,
 	liquidtype = "source",
-	liquid_alternative_flowing = "watershed:waterflow",
-	liquid_alternative_source = "watershed:water",
+	liquid_alternative_flowing = "watershed:freshwaterflow",
+	liquid_alternative_source = "watershed:freshwater",
 	liquid_viscosity = WATER_VISC,
 	liquid_renewable = false,
 	liquid_range = 2,
@@ -194,19 +210,19 @@ minetest.register_node("watershed:water", {
 	groups = {water=3, liquid=3, puts_out_fire=1},
 })
 
-minetest.register_node("watershed:waterflow", {
-	description = "WS Flowing Water",
-	inventory_image = minetest.inventorycube("watershed_water.png"),
+minetest.register_node("watershed:freshwaterflow", {
+	description = "WS Fresh Flowing Water",
+	inventory_image = minetest.inventorycube("watershed_freshwater.png"),
 	drawtype = "flowingliquid",
-	tiles = {"default_water.png"},
+	tiles = {"watershed_freshwater.png"},
 	special_tiles = {
 		{
-			image="watershed_waterflowanim.png",
+			image="watershed_freshwaterflowanim.png",
 			backface_culling=false,
 			animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=0.8}
 		},
 		{
-			image="watershed_waterflowanim.png",
+			image="watershed_freshwaterflowanim.png",
 			backface_culling=true,
 			animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=0.8}
 		},
@@ -222,8 +238,8 @@ minetest.register_node("watershed:waterflow", {
 	drop = "",
 	drowning = 1,
 	liquidtype = "flowing",
-	liquid_alternative_flowing = "watershed:waterflow",
-	liquid_alternative_source = "watershed:water",
+	liquid_alternative_flowing = "watershed:freshwaterflow",
+	liquid_alternative_source = "watershed:freshwater",
 	liquid_viscosity = WATER_VISC,
 	liquid_renewable = false,
 	liquid_range = 2,