From eb344ad804aa83570ccda9a5886733d8b42aa598 Mon Sep 17 00:00:00 2001
From: Vanessa Ezekowitz <vanessaezekowitz@gmail.com>
Date: Sat, 01 Apr 2017 04:01:00 +0200
Subject: [PATCH] perlin improvements as suggested by @paramat
---
technic_worldgen/oregen.lua | 15 +++++++++------
1 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/technic_worldgen/oregen.lua b/technic_worldgen/oregen.lua
index fd2393b..41656c8 100644
--- a/technic_worldgen/oregen.lua
+++ b/technic_worldgen/oregen.lua
@@ -116,27 +116,30 @@
})
-- Sulfur
+local sulfur_buf = nil
+local sulfur_noise= nil
+
minetest.register_on_generated(function(minp, maxp, seed)
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
local a = VoxelArea:new{
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()
+ local data = vm:get_data(sulfur_buf)
local pr = PseudoRandom(17 * minp.x + 42 * minp.y + 101 * minp.z)
- local noise = minetest.get_perlin(9876, 3, 0.5, 100)
-
+ sulfur_noise = sulfur_noise or minetest.get_perlin(9876, 3, 0.5, 100)
+
local c_lava = minetest.get_content_id("default:lava_source")
local c_lava_flowing = minetest.get_content_id("default:lava_flowing")
local c_stone = minetest.get_content_id("default:stone")
local c_sulfur = minetest.get_content_id("technic:mineral_sulfur")
-
+
local grid_size = 5
for x = minp.x + math.floor(grid_size / 2), maxp.x, grid_size do
for y = minp.y + math.floor(grid_size / 2), maxp.y, grid_size do
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 noise:get3d({x = x, y = z, z = z}) >= 0.4 then
+ if (c == c_lava or c == c_lava_flowing) and sulfur_noise:get3d({x = x, y = z, z = z}) >= 0.4 then
for xx = math.max(minp.x, x - grid_size), math.min(maxp.x, x + grid_size) do
for yy = math.max(minp.y, y - grid_size), math.min(maxp.y, y + grid_size) do
for zz = math.max(minp.z, z - grid_size), math.min(maxp.z, z + grid_size) do
@@ -151,7 +154,7 @@
end
end
end
-
+
vm:set_data(data)
vm:write_to_map(data)
end)
--
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