Tune steepness. Excavate to vm top

README.txt

@@ -1,7 +1,8 @@
-pathv7 0.1.2 by paramat
+pathv7 0.1.3 by paramat
 For Minetest 0.4.14 and later
 Depends default stairs
 Licenses: Code LGPLv2.1, textures CC BY-SA 3.0
+See license.txt for license information
 
 Use with mapgen v7 only.
 Creates a worldwide network of paths, bridges and tunnels.

init.lua

@@ -1,7 +1,7 @@
 -- Parameters
 
-local YMAXMINP = -32 -- Maximum minp.y of generated chunks
+local HSAMP = 0.025 -- Height select amplitude.
-local HSAMP = 0.03 -- Height select amplitude. Maximum steepness of paths
+					-- Controls maximum steepness of paths.
 
 -- Mapgen v7 noises
 
@@ -127,7 +127,7 @@ local nbuf_column
 -- On generated function
 
 minetest.register_on_generated(function(minp, maxp, seed)
-	if minp.y < -32 or minp.y > YMAXMINP then
+	if minp.y > 0 or maxp.y < 0 then
 		return
 	end
 
@@ -233,9 +233,9 @@ minetest.register_on_generated(function(minp, maxp, seed)
 				end
 				local tblend = 0.5 + HSAMP * (select - 0.5)
 				tblend = math.min(math.max(tblend, 0), 1)
-				local tlevel = base * tblend + alt * (1 - tblend)
+				local tlevel = math.floor(base * tblend + alt * (1 - tblend))
 				-- TODO allow path above
-				local pathy = math.floor(math.min(math.max(tlevel, 7), 42))
+				local pathy = math.min(math.max(tlevel, 7), 42)
 
 				if (n_patha >= 0 and n_xprepatha < 0) -- detect sign change of noise
 						or (n_patha < 0 and n_xprepatha >= 0)
@@ -298,7 +298,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 						if tunnel then
 							excatop = pathy + 5 -- tunnel
 						else
-							excatop = y1 -- excavate to chunk top
+							excatop = y1 + 16 -- excavate to vm top
 						end
 
 						-- place path node brush

nodes.lua

@@ -2,7 +2,7 @@ minetest.register_node("pathv7:junglewood", {
 	description = "Mod jungle wood",
 	tiles = {"default_junglewood.png"},
 	is_ground_content = false,
-	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
+	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
 	sounds = default.node_sound_wood_defaults(),
 })
 
@@ -10,7 +10,7 @@ minetest.register_node("pathv7:bridgewood", {
 	description = "Bridge wood",
 	tiles = {"pathv7_bridgewood.png"},
 	is_ground_content = false,
-	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
+	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
 	sounds = default.node_sound_wood_defaults(),
 })
 
@@ -20,7 +20,7 @@ minetest.register_node("pathv7:stairn", { -- stair rising to the north
 	drawtype = "nodebox",
 	paramtype = "light",
 	is_ground_content = false,
-	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
+	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
 	node_box = {
 		type = "fixed",
 		fixed = {
@@ -37,7 +37,7 @@ minetest.register_node("pathv7:stairs", {
 	drawtype = "nodebox",
 	paramtype = "light",
 	is_ground_content = false,
-	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
+	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
 	node_box = {
 		type = "fixed",
 		fixed = {
@@ -54,7 +54,7 @@ minetest.register_node("pathv7:staire", {
 	drawtype = "nodebox",
 	paramtype = "light",
 	is_ground_content = false,
-	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
+	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
 	node_box = {
 		type = "fixed",
 		fixed = {
@@ -71,7 +71,7 @@ minetest.register_node("pathv7:stairw", {
 	drawtype = "nodebox",
 	paramtype = "light",
 	is_ground_content = false,
-	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
+	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
 	node_box = {
 		type = "fixed",
 		fixed = {
@@ -88,7 +88,7 @@ minetest.register_node("pathv7:stairne", {
 	drawtype = "nodebox",
 	paramtype = "light",
 	is_ground_content = false,
-	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
+	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
 	node_box = {
 		type = "fixed",
 		fixed = {
@@ -105,7 +105,7 @@ minetest.register_node("pathv7:stairnw", {
 	drawtype = "nodebox",
 	paramtype = "light",
 	is_ground_content = false,
-	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
+	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
 	node_box = {
 		type = "fixed",
 		fixed = {
@@ -122,7 +122,7 @@ minetest.register_node("pathv7:stairse", {
 	drawtype = "nodebox",
 	paramtype = "light",
 	is_ground_content = false,
-	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
+	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
 	node_box = {
 		type = "fixed",
 		fixed = {
@@ -139,7 +139,7 @@ minetest.register_node("pathv7:stairsw", {
 	drawtype = "nodebox",
 	paramtype = "light",
 	is_ground_content = false,
-	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
+	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
 	node_box = {
 		type = "fixed",
 		fixed = {