Magma rising at ridges, lavacooling, new pinetrees

README.txt

@@ -1,4 +1,4 @@
-watershed 0.2.13 by paramat
+watershed 0.2.14 by paramat
 For latest stable Minetest back to 0.4.8
 Depends default
 Licenses: code WTFPL

functions.lua

@@ -24,7 +24,7 @@ function watershed_pinetree(x, y, z, area, data)
 	local c_tree = minetest.get_content_id("default:tree")
 	local c_wsneedles = minetest.get_content_id("watershed:needles")
 	local c_snowblock = minetest.get_content_id("default:snowblock")
-	for j = -4, 13 do
+	for j = -4, 14 do
 		if j == 3 or j == 6 or j == 9 or j == 12 then
 			for i = -2, 2 do
 			for k = -2, 2 do
@@ -38,7 +38,7 @@ function watershed_pinetree(x, y, z, area, data)
 				end
 			end
 			end
-		elseif j == 4 or j == 7 or j == 10 or j == 13 then
+		elseif j == 4 or j == 7 or j == 10 then
 			for i = -1, 1 do
 			for k = -1, 1 do
 				if not (i == 0 and j == 0) then
@@ -51,13 +51,28 @@ function watershed_pinetree(x, y, z, area, data)
 				end
 			end
 			end
+		elseif j == 13 then
+			for i = -1, 1 do
+			for k = -1, 1 do
+				if not (i == 0 and j == 0) then
+					if math.random(7) ~= 2 then
+						local vil = area:index(x + i, y + j, z + k)
+						data[vil] = c_wsneedles
+						local vil = area:index(x + i, y + j + 1, z + k)
+						data[vil] = c_wsneedles
+						local vila = area:index(x + i, y + j + 2, z + k)
+						data[vila] = c_snowblock
+					end
+				end
+			end
+			end
 		end
 		local vit = area:index(x, y + j, z)
 		data[vit] = c_tree
 	end
-	local vil = area:index(x, y + 14, z)
-	local vila = area:index(x, y + 15, z)
-	local vilaa = area:index(x, y + 16, z)
+	local vil = area:index(x, y + 15, z)
+	local vila = area:index(x, y + 16, z)
+	local vilaa = area:index(x, y + 17, z)
 	data[vil] = c_wsneedles
 	data[vila] = c_wsneedles
 	data[vilaa] = c_snowblock
@@ -206,3 +221,27 @@ function watershed_papyrus(x, y, z, area, data)
 		data[vip] = c_papyrus
 	end
 end
+
+-- ABMs
+
+minetest.register_abm({
+	nodenames = {"watershed:lavaflow"},
+	neighbors = {"group:water"},
+	interval = 1,
+	chance = 11,
+	action = function(pos, node, active_object_count, active_object_count_wider)
+		minetest.set_node(pos, {name="watershed:stone"})
+		minetest.sound_play("default_cool_lava", {pos = pos,  gain = 0.25})
+	end,
+})
+
+minetest.register_abm({
+	nodenames = {"watershed:lava"},
+	neighbors = {"group:water"},
+	interval = 1,
+	chance = 11,
+	action = function(pos, node, active_object_count, active_object_count_wider)
+		minetest.set_node(pos, {name="default:obsidian"})
+		minetest.sound_play("default_cool_lava", {pos = pos,  gain = 0.25})
+	end,
+})

init.lua

@@ -1,18 +1,21 @@
--- watershed 0.2.13 by paramat
+-- watershed 0.2.14 by paramat
 -- For latest stable Minetest and back to 0.4.8
 -- Depends default
 -- License: code WTFPL
 
--- bugfix missing surface node in tundra
+-- new pine tree
+-- magma rises to surface along ridges
+-- lavacooling abms
 -- TODO
+-- all tree heights vary
 -- fog
--- singlenode y = 0 realm option, on spawnplayer teleport to surface
--- magma
+-- register bucket water lava
+-- singlenode option
 
 -- Parameters
 
-local YMIN = 6000 -- Approximate base of realm stone
-local YMAX = 8000 -- Approximate top of atmosphere / mountains / floatlands
+local YMIN = 5000 -- Approximate base of realm stone
+local YMAX = 9000 -- Approximate top of atmosphere / mountains / floatlands
 local TERCEN = 6856 -- Terrain 'centre', average seabed level
 local YWAT = 7016 -- Sea level
 local YCLOUD = 7144 -- Cloud level
@@ -24,9 +27,10 @@ local CANAMP = 0.4 -- Canyon terrain amplitude
 local CANEXP = 1.33 -- Canyon shape exponent
 local ATANAMP = 1.2 -- Arctan function amplitude, smaller = more and larger floatlands above ridges
 
-local TSTONE = 0.02-- 0.02 -- Density threshold for stone, depth of soil at TERCEN
+local TSTONE = 0.01 -- Density threshold for stone, depth of soil at TERCEN
 local TRIV = -0.015 -- Maximum densitybase threshold for river water
 local TSAND = -0.018 -- Maximum densitybase threshold for river sand
+local TLAVA = 2 -- Maximum densitybase threshold for lava
 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
@@ -73,8 +77,8 @@ local np_smooth = {
 	scale = 1,
 	spread = {x=512, y=512, z=512},
 	seed = 593,
-	octaves = 5,
-	persist = 0.4
+	octaves = 6,
+	persist = 0.3
 }
 
 -- 3D noise for faults
@@ -263,6 +267,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 	local c_wscloud = minetest.get_content_id("watershed:cloud")
 	local c_wsdarkcloud = minetest.get_content_id("watershed:darkcloud")
 	local c_wspermafrost = minetest.get_content_id("watershed:permafrost")
+	local c_wslava = minetest.get_content_id("watershed:lava")
 	
 	local sidelen = x1 - x0 + 1
 	local chulens = {x=sidelen, y=sidelen+2, z=sidelen}
@@ -306,6 +311,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 				local triv = TRIV * (1 - altprop * 1.1)
 				local tsand = TSAND * (1 - altprop * 1.1)
 				local tstone = TSTONE * (1 - math.atan(altprop) * 0.6) -- 1 to 0.05
+				local tlava = TLAVA * (1 - terblen ^ 10)
 				local density
 				if nvals_fault[nixyz] >= 0 then
 					density = densitybase
@@ -373,7 +379,11 @@ minetest.register_on_generated(function(minp, maxp, seed)
 						end
 					end
 				
-					if density >= tstone and nofis  -- stone cut by fissures
+					if density >= TSTONE and densitybase >= tlava then
+						data[vi] = c_wslava
+						stable[si] = 0
+						under[si] = 0
+					elseif density >= tstone and nofis  -- stone cut by fissures
 					or (density >= tstone and density < TSTONE * 3 and y <= YWAT) -- stone around water
 					or (density >= tstone and density < TSTONE * 3 and densitybase >= triv ) then -- stone around river
 						local densitystr = nvals_strata[nixyz] / 4 + (TERCEN - y) / TERSCA

nodes.lua

@@ -179,7 +179,7 @@ minetest.register_node("watershed:water", {
 	liquid_alternative_source = "watershed:water",
 	liquid_viscosity = WATER_VISC,
 	liquid_renewable = false,
-	liquid_range = 3,
+	liquid_range = 2,
 	post_effect_color = {a=64, r=100, g=100, b=200},
 	groups = {water=3, liquid=3, puts_out_fire=1},
 })
@@ -216,7 +216,80 @@ minetest.register_node("watershed:waterflow", {
 	liquid_alternative_source = "watershed:water",
 	liquid_viscosity = WATER_VISC,
 	liquid_renewable = false,
-	liquid_range = 3,
+	liquid_range = 2,
 	post_effect_color = {a=64, r=100, g=100, b=200},
 	groups = {water=3, liquid=3, puts_out_fire=1, not_in_creative_inventory=1},
 })
+
+minetest.register_node("watershed:lava", {
+	description = "WS Lava Source",
+	inventory_image = minetest.inventorycube("default_lava.png"),
+	drawtype = "liquid",
+	tiles = {
+		{name="default_lava_source_animated.png", animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=3.0}}
+	},
+	special_tiles = {
+		{
+			name="default_lava_source_animated.png",
+			animation={type="vertical_frames",
+			aspect_w=16, aspect_h=16, length=3.0},
+			backface_culling = false,
+		}
+	},
+	paramtype = "light",
+	light_source = 14,
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	drop = "",
+	drowning = 1,
+	liquidtype = "source",
+	liquid_alternative_flowing = "watershed:lavaflow",
+	liquid_alternative_source = "watershed:lava",
+	liquid_viscosity = LAVA_VISC,
+	liquid_renewable = false,
+	liquid_range = 0,
+	damage_per_second = 8,
+	post_effect_color = {a=192, r=255, g=64, b=0},
+	groups = {lava=3, liquid=2, hot=3, igniter=1},
+})
+
+minetest.register_node("watershed:lavaflow", {
+	description = "WS Flowing Lava",
+	inventory_image = minetest.inventorycube("default_lava.png"),
+	drawtype = "flowingliquid",
+	tiles = {"default_lava.png"},
+	special_tiles = {
+		{
+			image="default_lava_flowing_animated.png",
+			backface_culling=false,
+			animation={type="vertical_frames",
+			aspect_w=16, aspect_h=16, length=3.3}
+		},
+		{
+			image="default_lava_flowing_animated.png",
+			backface_culling=true,
+			animation={type="vertical_frames",
+			aspect_w=16, aspect_h=16, length=3.3}
+		},
+	},
+	paramtype = "light",
+	paramtype2 = "flowingliquid",
+	light_source = 14,
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	drop = "",
+	drowning = 1,
+	liquidtype = "flowing",
+	liquid_alternative_flowing = "watershed:lavaflow",
+	liquid_alternative_source = "watershed:lava",
+	liquid_viscosity = LAVA_VISC,
+	liquid_renewable = false,
+	liquid_range = 0,
+	damage_per_second = 8,
+	post_effect_color = {a=192, r=255, g=64, b=0},
+	groups = {lava=3, liquid=2, hot=3, igniter=1, not_in_creative_inventory=1},
+})