start adding noisy terrain (broken)

1 files changed, 20 insertions, 8 deletions

diff --git a/mods/vzxv_worldgen/init.lua b/mods/vzxv_worldgen/init.lua
index 719cd52..b16e24f 100644
--- a/mods/vzxv_worldgen/init.lua
+++ b/mods/vzxv_worldgen/init.lua
@@ -1,20 +1,32 @@
 minetest.set_mapgen_setting('mg_name','singlenode',true)
 minetest.set_mapgen_setting('flags','nolight',true)
+
 local stone = minetest.get_content_id("vzxv:stone")
 local data = {}
--- buffer for things something someting memory use
-
 minetest.register_on_generated(function(minp,maxp,seed)
 	local voxmn, vmin, vmax = minetest.get_mapgen_object("voxelmanip")
-	local w = minp.x - maxp.x + 1
 	local va = VoxelArea:new{MinEdge=vmin,MaxEdge=vmax}
-	
+
+	local noisemap = PerlinNoiseMap({
+		seed = 1,
+		offset = 0, 
+		scale = 10,
+		spread = {x=500,y=500,z=500},
+		octaves = 5,
+		persistence = 0.63,
+		lacunarity = 2.0,
+		flags = "defaults, absvalue",
+	}, {x=maxp.x-minp.x+1,y=maxp.z-minp.z+1})
+	local heightmap = noisemap:get_2d_map{x=minp.x,y=minp.z}
+
 	voxmn:get_data(data)
 	for x=minp.x, maxp.x do
-		for y=minp.y, maxp.y do
-			for z=minp.z, maxp.z do
+		for z=minp.z, maxp.z do
+			local height = heightmap[x-minp.x+1][z-minp.z+1]
+			height = height - 5
+			for y=minp.y, maxp.y do
 				local i = va:index(x,y,z)
-				if y < 0 then
+				if y < height then
 					data[i] = stone
 				end
 			end
@@ -29,4 +41,4 @@ minetest.register_on_generated(function(minp,maxp,seed)
 	minetest.after(0,function()
 		minetest.fix_light(minp,maxp)
 	end)
-end)
\ No newline at end of file
+end)