let biome_lib place pebbles instead of using custom mapgen code

cavestuff/init.lua

@@ -7,6 +7,8 @@ local mname		= "cavestuff"
 -- support for i18n
 local S = minetest.get_translator("cavestuff")
 
+cavestuff = {}
+
 dofile(minetest.get_modpath("cavestuff").."/nodes.lua")
 dofile(minetest.get_modpath("cavestuff").."/mapgen.lua")
 

cavestuff/mapgen.lua

@@ -1,52 +1,31 @@
 --Map Generation Stuff
 
-minetest.register_on_generated(function(minp, maxp, seed)
+biome_lib:register_generate_plant(
-	if maxp.y >= 2 and minp.y <= 0 then
+	{
-		-- Generate pebbles
+		surface = { "default:dirt_with_grass" },
-		local perlin1 = minetest.get_perlin(329, 3, 0.6, 100)
+		max_count = 50,
-		-- Assume X and Z lengths are equal
+		rarity = 0,
-		local divlen = 16
+		plantlife_limit = -1,
-		local divs = (maxp.x-minp.x)/divlen+1;
+		check_air = true,
-		for divx=0,divs-1 do
+		random_facedir = {0, 3}
-		for divz=0,divs-1 do
+	},
-			local x0 = minp.x + math.floor((divx+0)*divlen)
+	{
-			local z0 = minp.z + math.floor((divz+0)*divlen)
+		"cavestuff:pebble_1",
-			local x1 = minp.x + math.floor((divx+1)*divlen)
+		"cavestuff:pebble_2"
-			local z1 = minp.z + math.floor((divz+1)*divlen)
+	}
-			-- Determine pebble amount from perlin noise
+)
-			local pebble_amount = math.floor(perlin1:get2d({x=x0, y=z0}) ^ 2 * 2)
-			-- Find random positions for pebbles based on this random
-			local pr = PseudoRandom(seed+1)
-			for i=0,pebble_amount do
-				local x = pr:next(x0, x1)
-				local z = pr:next(z0, z1)
-				-- Find ground level (0...15)
-				local ground_y = nil
-				for y=30,0,-1 do
-					if minetest.get_node({x=x,y=y,z=z}).name ~= "air" then
-						ground_y = y
-						break
-					end
-				end
 
-				if ground_y then
+biome_lib:register_generate_plant(
-					local p = {x=x,y=ground_y+1,z=z}
+	{
-					local nn = minetest.get_node(p).name
+		surface = { "default:desert_sand" },
-					-- Check if the node can be replaced
+		max_count = 50,
-					if minetest.registered_nodes[nn] and
+		rarity = 0,
-						minetest.registered_nodes[nn].buildable_to then
+		plantlife_limit = -1,
-						nn = minetest.get_node({x=x,y=ground_y,z=z}).name
+		check_air = true,
-						-- If desert sand, add dry shrub
+		random_facedir = {0, 3}
-						if nn == "default:dirt_with_grass" then
+	},
-							minetest.swap_node(p,{name="cavestuff:pebble_"..pr:next(1,2), param2=math.random(0,3)})
+	{
-						elseif nn == "default:desert_sand" then
+		"cavestuff:desert_pebble_1",
-							minetest.swap_node(p,{name="cavestuff:desert_pebble_"..pr:next(1,2), param2=math.random(0,3)})
+		"cavestuff:desert_pebble_2"
-					    end
+	}
-					end
+)
-				end
-
-			end
-		end
-		end
-	end
-end)

cavestuff/mod.conf

@@ -1,2 +1,2 @@
 name = cavestuff
-depends = default
+depends = default,biome_lib