Tidy up ore registrations (#422)

technic_worldgen/oregen.lua

@@ -1,13 +1,41 @@
-local uranium_params = {offset = 0, scale = 1, spread = {x = 100, y = 100, z = 100}, seed = 420, octaves = 3, persist = 0.7}
+local uranium_params = {
+	offset = 0,
+	scale = 1,
+	spread = {x = 100, y = 100, z = 100},
+	seed = 420,
+	octaves = 3,
+	persist = 0.7
+}
 local uranium_threshold = 0.55
 
-local chromium_params = {offset = 0, scale = 1, spread = {x = 100, y = 100, z = 100}, seed = 421, octaves = 3, persist = 0.7}
+local chromium_params = {
+	offset = 0,
+	scale = 1,
+	spread = {x = 100, y = 100, z = 100},
+	seed = 421,
+	octaves = 3,
+	persist = 0.7
+}
 local chromium_threshold = 0.55
 
-local zinc_params = {offset = 0, scale = 1, spread = {x = 100, y = 100, z = 100}, seed = 422, octaves = 3, persist = 0.7}
+local zinc_params = {
+	offset = 0,
+	scale = 1,
+	spread = {x = 100, y = 100, z = 100},
+	seed = 422,
+	octaves = 3,
+	persist = 0.7
+}
 local zinc_threshold = 0.5
 
-local lead_params = {offset = 0, scale = 1, spread = {x = 100, y = 100, z = 100}, seed = 423, octaves = 3, persist = 0.7}
+local lead_params = {
+	offset = 0,
+	scale = 1,
+	spread = {x = 100, y = 100, z = 100},
+	seed = 423,
+	octaves = 3,
+	persist = 0.7
+}
 local lead_threshold = 0.3
 
 minetest.register_ore({
@@ -119,14 +147,11 @@ minetest.register_ore({
 
 -- Sulfur
 local sulfur_buf = {}
-local sulfur_noise= nil
+local sulfur_noise
 
-minetest.register_on_generated(function(minp, maxp, seed)
+minetest.register_on_generated(function(minp, maxp)
 	local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
-	local a = VoxelArea:new{
+	local a = VoxelArea:new({MinEdge=emin, MaxEdge=emax})
-		MinEdge = {x = emin.x, y = emin.y, z = emin.z},
-		MaxEdge = {x = emax.x, y = emax.y, z = emax.z},
-	}
 	local data = vm:get_data(sulfur_buf)
 	local pr = PseudoRandom(17 * minp.x + 42 * minp.y + 101 * minp.z)
 	sulfur_noise = sulfur_noise or minetest.get_perlin(9876, 3, 0.5, 100)
@@ -142,7 +167,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 	for z = minp.z + math.floor(grid_size / 2), maxp.z, grid_size do
 		local c = data[a:index(x, y, z)]
 		if (c == c_lava or c == c_lava_flowing)
-		and sulfur_noise:get3d({x = x, y = z, z = z}) >= 0.4 then
+		and sulfur_noise:get_3d({x = x, y = z, z = z}) >= 0.4 then
 			for i in a:iter(
 				math.max(minp.x, x - grid_size),
 				math.max(minp.y, y - grid_size),
@@ -176,7 +201,10 @@ minetest.register_ore({
 		y_min = -31000,
 		y_max = -50,
 		noise_threshold = 0.4,
-	noise_params = {offset=0, scale=15, spread={x=150, y=150, z=150}, seed=23, octaves=3, persist=0.70}
+		noise_params = {
+			offset = 0, scale = 15, spread = {x = 150, y = 150, z = 150},
+			seed = 23, octaves = 3, persist = 0.70
+		}
 	})
 end
 
@@ -191,7 +219,9 @@ minetest.register_ore({
 		y_min = -31000,
 		y_max = -150,
 		noise_threshold = 0.4,
-	noise_params = {offset=0, scale=15, spread={x=130, y=130, z=130}, seed=24, octaves=3, persist=0.70}
+		noise_params = {
+			offset = 0, scale = 15, spread = {x = 130, y = 130, z = 130},
+			seed = 24, octaves = 3, persist = 0.70
+		}
 	})
 end
-