acaciatree, pinetree nodes. bugix spawn function. biome blend

README.txt

@@ -1,4 +1,4 @@
-watershed 0.3.7 by paramat
+watershed 0.3.8 by paramat
 For latest stable Minetest back to 0.4.8
 Depends default bucket
 Licenses: code WTFPL, textures CC BY-SA

functions.lua

@@ -30,7 +30,7 @@ function watershed_appletree(x, y, z, area, data)
 end
 
 function watershed_pinetree(x, y, z, area, data)
-	local c_tree = minetest.get_content_id("default:tree")
+	local c_wspitree = minetest.get_content_id("watershed:pinetree")
 	local c_wsneedles = minetest.get_content_id("watershed:needles")
 	local c_snowblock = minetest.get_content_id("default:snowblock")
 	for j = -4, 14 do
@@ -75,7 +75,7 @@ function watershed_pinetree(x, y, z, area, data)
 			end
 		end
 		local vit = area:index(x, y + j, z)
-		data[vit] = c_tree
+		data[vit] = c_wspitree
 	end
 	local vil = area:index(x, y + 15, z)
 	local vila = area:index(x, y + 16, z)
@@ -129,8 +129,8 @@ function watershed_jungletree(x, y, z, area, data)
 end
 
 function watershed_acaciatree(x, y, z, area, data)
-	local c_tree = minetest.get_content_id("default:tree")
+	local c_wsactree = minetest.get_content_id("watershed:acaciatree")
-	local c_wsaccleaf = minetest.get_content_id("watershed:acacialeaf")
+	local c_wsacleaf = minetest.get_content_id("watershed:acacialeaf")
 	for j = -3, 6 do
 		if j == 6 then
 			for i = -4, 4 do
@@ -138,7 +138,7 @@ function watershed_acaciatree(x, y, z, area, data)
 				if not (i == 0 or k == 0) then
 					if math.random(7) ~= 2 then
 						local vil = area:index(x + i, y + j, z + k)
-						data[vil] = c_wsaccleaf
+						data[vil] = c_wsacleaf
 					end
 				end
 			end
@@ -147,7 +147,7 @@ function watershed_acaciatree(x, y, z, area, data)
 			for i = -2, 2, 4 do
 			for k = -2, 2, 4 do
 				local vit = area:index(x + i, y + j, z + k)
-				data[vit] = c_tree
+				data[vit] = c_wsactree
 			end
 			end
 		elseif j == 4 then
@@ -155,13 +155,13 @@ function watershed_acaciatree(x, y, z, area, data)
 			for k = -1, 1 do
 				if math.abs(i) + math.abs(k) == 2 then
 					local vit = area:index(x + i, y + j, z + k)
-					data[vit] = c_tree
+					data[vit] = c_wsactree
 				end
 			end
 			end
 		else
 			local vit = area:index(x, y + j, z)
-			data[vit] = c_tree
+			data[vit] = c_wsactree
 		end
 	end
 end
@@ -247,15 +247,7 @@ if SINGLENODE then
 			spread = {x=512, y=512, z=512},
 			seed = 593,
 			octaves = 6,
-			persist = 0.3
+			persist = 0.4
-		}
-		local np_fault = {
-			offset = 0,
-			scale = 1,
-			spread = {x=512, y=1024, z=512},
-			seed = 14440002,
-			octaves = 6,
-			persist = 0.5
 		}
 		local np_base = {
 			offset = 0,
@@ -273,23 +265,7 @@ if SINGLENODE then
 			octaves = 3,
 			persist = 0.4
 		}
-		local np_temp = {
+		for chunk = 1, 64 do
-			offset = 0,
-			scale = 1,
-			spread = {x=512, y=512, z=512},
-			seed = 9130,
-			octaves = 2,
-			persist = 0.5
-		}
-		local np_humid = {
-			offset = 0,
-			scale = 1,
-			spread = {x=512, y=512, z=512},
-			seed = -55500,
-			octaves = 2,
-			persist = 0.5
-		}
-		for chunk = 1, 32 do
 			print ("[watershed] searching for spawn "..chunk)
 			local x0 = 80 * math.random(-24, 24) - 32
 			local z0 = 80 * math.random(-24, 24) - 32
@@ -305,9 +281,6 @@ if SINGLENODE then
 
 			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)
@@ -317,22 +290,12 @@ if SINGLENODE then
 			for z = z0, z1 do
 				for y = y0, y1 do
 					for x = x0, x1 do
-						local grad = math.atan((TERCEN - y) / TERSCA) * ATANAMP
 						local n_base = nvals_base[nixz]
+						local grad = math.atan((TERCEN - y) / TERSCA) * ATANAMP
 						local densitybase = (1 - math.abs(n_base)) * BASAMP + nvals_xlscale[nixz] * XLSAMP + grad
 						local terblen = math.max(1 - math.abs(n_base), 0)
-						local n_temp = nvals_temp[nixyz]
+						local density = densitybase
-						local n_humid = nvals_humid[nixyz]
+						+ math.abs(nvals_rough[nixyz] * terblen + nvals_smooth[nixyz] * (1 - terblen)) ^ CANEXP * CANAMP
-						local density
-						if nvals_fault[nixyz] >= 0 then
-							density = densitybase
-							+ math.abs(nvals_rough[nixyz] * terblen
-							+ nvals_smooth[nixyz] * (1 - terblen)) ^ CANEXP * CANAMP * (1 + n_temp * 0.5)
-						else	
-							density = densitybase
-							+ math.abs(nvals_rough[nixyz] * terblen
-							+ nvals_smooth[nixyz] * (1 - terblen)) ^ CANEXP * CANAMP * (1 + n_humid * 0.5)
-						end
 						if y >= 1 and density > -0.01 and density < 0 then
 							ysp = y + 1
 							xsp = x
@@ -372,9 +335,11 @@ end
 
 -- ABM
 
+-- update luxore light
+
 minetest.register_abm({
 	nodenames = {"watershed:luxoreoff"},
-	interval = 7,
+	interval = 13,
 	chance = 1,
 	action = function(pos, node, active_object_count, active_object_count_wider)
 		minetest.remove_node(pos)

init.lua

@@ -1,12 +1,16 @@
--- watershed 0.3.7 by paramat
+-- watershed 0.3.8 by paramat
 -- For latest stable Minetest and back to 0.4.8
 -- Depends default bucket
 -- License: code WTFPL, textures CC BY-SA
 -- Red cobble texture CC BY-SA by brunob.santos minetestbr.blogspot.com
 
--- thicker layer of redstone in deserts
+-- pine, acacia tree trunks
--- ice thicker with lower temperature
+-- bugfix spawning function
--- papyrus on riverbank not beach
+-- temperature / humidity randomness for biome blend
+-- TODO
+-- pine wood
+-- acacia wood
+-- better appletree design with branches
 
 -- Parameters
 
@@ -28,7 +32,7 @@ local TSTONE = 0.02 -- Density threshold for stone, depth of soil at TERCEN
 local TRIV = -0.02 -- Maximum densitybase threshold for river water
 local TSAND = -0.025 -- Maximum densitybase threshold for river sand
 local TLAVA = 2.3 -- Maximum densitybase threshold for lava, small because grad is non-linear
-local FISEXP = 0.02 -- Fissure expansion rate under surface
+local FISEXP = 0.03 -- Fissure expansion rate under surface
 local ORETHI = 0.002 -- Ore seam thickness tuner
 local SEAMT = 0.2 -- Seam threshold, width of seams
 local ICETHI = 32 -- Controls maximum ice thickness
@@ -38,19 +42,20 @@ local LOTET = -0.35 -- Low ..
 local ICETET = -0.7 -- Ice ..
 local HIHUT = 0.35 -- High humidity threshold
 local LOHUT = -0.35 -- Low ..
+local BLEND = 0.03 -- Biome blend randomness
 
 local PINCHA = 36 -- Pine tree 1/x chance per node
 local APTCHA = 36 -- Appletree
 local FLOCHA = 36 -- Flower
 local FOGCHA = 9 -- Forest grass
-local GRACHA = 3 -- Grassland grasses
+local GRACHA = 4 -- Grassland grasses
 local JUTCHA = 16 -- Jungletree
 local JUGCHA = 9 -- Junglegrass
 local CACCHA = 841 -- Cactus
 local DRYCHA = 169 -- Dry shrub
 local PAPCHA = 2 -- Papyrus
 local ACACHA = 529 -- Acacia tree
-local GOGCHA = 3 -- Golden grass
+local GOGCHA = 4 -- Golden grass
 
 -- 3D noise for rough terrain
 
@@ -70,7 +75,7 @@ local np_smooth = {
 	scale = 1,
 	spread = {x=512, y=512, z=512},
 	seed = 593,
-	octaves = 5,
+	octaves = 6,
 	persist = 0.4
 }
 
@@ -266,20 +271,20 @@ minetest.register_on_generated(function(minp, maxp, seed)
 				local n_rough = nvals_rough[nixyz] -- noise values for node
 				local n_smooth = nvals_smooth[nixyz]
 				local n_fissure = nvals_fissure[nixyz]
-				local n_temp = nvals_temp[nixyz]
+				local n_temp = nvals_temp[nixyz] + (math.random() - 0.5) * BLEND
-				local n_humid = nvals_humid[nixyz]
+				local n_humid = nvals_humid[nixyz] + (math.random() - 0.5) * BLEND
 				local n_seam = nvals_seam[nixyz]
 				local n_strata = nvals_strata[nixyz]
 				
 				local n_base = nvals_base[nixz]
 				local n_xlscale = nvals_xlscale[nixz]
 				local n_magma = nvals_magma[nixz]
-				
+				-- get densitybase and density
-				local grad = math.atan((TERCEN - y) / TERSCA) * ATANAMP -- get densitybase and density
+				local grad = math.atan((TERCEN - y) / TERSCA) * ATANAMP -- vertical density gradient
-				local densitybase = (1 - math.abs(n_base)) * BASAMP + n_xlscale * XLSAMP + grad
+				local densitybase = (1 - math.abs(n_base)) * BASAMP + n_xlscale * XLSAMP + grad -- base terrain or ridge networks
-				local terblen = math.max(1 - math.abs(n_base), 0)
+				local terblen = math.max(1 - math.abs(n_base), 0) -- terrain blend rough and smooth
 				local density = densitybase
-				+ math.abs(n_rough * terblen + n_smooth * (1 - terblen)) ^ CANEXP * CANAMP
+				+ math.abs(n_rough * terblen + n_smooth * (1 - terblen)) ^ CANEXP * CANAMP -- add canyon terrain
 				
 				local triv = TRIV * (1 - terblen) -- other values
 				local tsand = TSAND * (1 - terblen)

nodes.lua

@@ -13,13 +13,22 @@ minetest.register_node("watershed:acacialeaf", {
 	description = "WS Acacia Leaves",
 	drawtype = "allfaces_optional",
 	visual_scale = 1.3,
-	tiles = {"default_leaves.png"},
+	tiles = {"watershed_acacialeaf.png"},
 	paramtype = "light",
 	is_ground_content = false,
 	groups = {snappy=3, flammable=2, leaves=1},
 	sounds = default.node_sound_leaves_defaults(),
 })
 
+minetest.register_node("watershed:acaciatree", {
+	description = "WS Acacia Tree",
+	tiles = {"watershed_acaciatreetop.png", "watershed_acaciatreetop.png", "watershed_acaciatree.png"},
+	paramtype2 = "facedir",
+	groups = {tree=1,choppy=2,oddly_breakable_by_hand=1,flammable=2},
+	sounds = default.node_sound_wood_defaults(),
+	on_place = minetest.rotate_node
+})
+
 minetest.register_node("watershed:needles", {
 	description = "WS Pine Needles",
 	drawtype = "allfaces_optional",
@@ -31,6 +40,15 @@ minetest.register_node("watershed:needles", {
 	sounds = default.node_sound_leaves_defaults(),
 })
 
+minetest.register_node("watershed:pinetree", {
+	description = "WS Pine Tree",
+	tiles = {"watershed_pinetreetop.png", "watershed_pinetreetop.png", "watershed_pinetree.png"},
+	paramtype2 = "facedir",
+	groups = {tree=1,choppy=2,oddly_breakable_by_hand=1,flammable=2},
+	sounds = default.node_sound_wood_defaults(),
+	on_place = minetest.rotate_node
+})
+
 minetest.register_node("watershed:jungleleaf", {
 	description = "WS Jungletree Leaves",
 	drawtype = "allfaces_optional",