From feac802b792c2bcca3f4ece92afe0249e1ab3170 Mon Sep 17 00:00:00 2001
From: Red_King_Cyclops <red_king_cyclops@noreply.example.org>
Date: Mon, 7 Oct 2019 21:15:45 +0000
Subject: [PATCH] added files

---
 vacuum.lua | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 vacuum.lua

diff --git a/vacuum.lua b/vacuum.lua
new file mode 100644
index 0000000..dc7ddd9
--- /dev/null
+++ b/vacuum.lua
@@ -0,0 +1,70 @@
+--vacuum code
+
+local old_is_pos_in_space = vacuum.is_pos_in_space
+vacuum.is_pos_in_space = function(pos)
+
+	--if pos.y < 23500 or pos.y > 24500 then
+	if (not (pos.y > 23500 and pos.y < 24500)) and (not (pos.y > 25000 and pos.y < 26000)) and (not (pos.y > 26500 and pos.y < 27500)) and (not (pos.y > 28000 and pos.y < 29000)) then
+		-- not in the atmosphere of a habitable planet
+		return old_is_pos_in_space(pos)
+	end
+
+	-- atmosphere on habitable worlds
+	return false
+end
+
+--[[
+local old_is_pos_on_earth = vacuum.is_pos_on_earth
+vacuum.is_pos_on_earth = function(pos)
+
+	if pos.y > 23500 or pos.y < 24500 then
+		-- in the atmosphere of a habitable planet
+		return true
+	end
+
+	-- not in the atmosphere of habitable worlds
+	return old_is_pos_on_earth(pos)
+end
+]]
+
+
+local c_vacuum = minetest.get_content_id("vacuum:vacuum")
+local c_air = minetest.get_content_id("air")
+
+minetest.register_on_generated(function(minp, maxp, seed)
+
+	--if minp.y < 23500 or maxp.y > 24500 then
+	if (not (minp.y > 23500 and maxp.y < 24500)) and (not (minp.y > 25000 and maxp.y < 26000)) and (not (minp.y > 26500 and maxp.y < 27500)) and (not (minp.y > 28000 and maxp.y < 29000)) then
+		return
+	end
+
+	local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
+	local data = vm:get_data()
+	local area = VoxelArea:new({MinEdge=emin, MaxEdge=emax})
+
+	for i in area:iter(
+		minp.x, minp.y, minp.z,
+		maxp.x, maxp.y, maxp.z
+	) do
+		if data[i] == c_vacuum or data[i] == c_air then
+			data[i] = c_air
+		end
+	end
+ 
+	vm:set_data(data)
+	vm:write_to_map()
+end)
+
+--[[
+--Kind of works but is laggy
+minetest.register_lbm({
+	name = "space_travel:atmosphere_lbm",
+	run_at_every_load = true,
+	nodenames = {"vacuum:vacuum"},
+	action = function(pos, node)
+		if pos.y >= 23500 and pos.y < 24500 then
+			minetest.set_node(pos, {name = "air"})
+		end
+	end,
+})
+]]