Make outer layer of reactor structure optional
As the layers of reactor structure now have a practical purpose, in attenuating the modelled radiation from the core, it is no longer necessary to make so much of it mandatory in order to motivate players to build it.
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Zefram
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d59055dd2b
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@ -97,64 +97,74 @@ local function siren_clear(pos, meta)
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end
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end
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-- The standard reactor structure consists of a 9x9x9 cube. A cross
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-- section through the middle:
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--
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-- CCCC CCCC
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-- CBBB BBBC
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-- CBSS SSBC
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-- CBSWWWSBC
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-- CBSW#WSBC
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-- CBSW|WSBC
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-- CBSS|SSBC
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-- CBBB|BBBC
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-- CCCC|CCCC
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-- C = Concrete, B = Blast-resistant concrete, S = Stainless Steel,
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-- W = water node, # = reactor core, | = HV cable
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--
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-- The man-hole and the HV cable are only in the middle, and the man-hole
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-- is optional.
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--
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-- For the reactor to operate and not melt down, it insists on the inner
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-- 7x7x7 portion (from the core out to the blast-resistant concrete)
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-- being intact. Intactness only depends on the number of nodes of the
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-- right type in each layer. The water layer must have water in all but
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-- at most one node; the steel and blast-resistant concrete layers must
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-- have the right material in all but at most two nodes. The permitted
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-- gaps are meant for the cable and man-hole, but can actually be anywhere
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-- and contain anything. For the reactor to be useful, a cable must
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-- connect to the core, but it can go in any direction.
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--
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-- The outer concrete layer of the standard structure is not required
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-- for the reactor to operate. It is noted here because it used to
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-- be mandatory, and for historical reasons (that it predates the
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-- implementation of radiation) it needs to continue being adequate
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-- shielding of legacy reactors. If it ever ceases to be adequate
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-- shielding for new reactors, legacy ones should be grandfathered.
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local reactor_structure_badness = function(pos)
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-- The reactor consists of a 9x9x9 cube structure
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-- A cross section through the middle:
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-- CCCC CCCC
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-- CBBB BBBC
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-- CBSS SSBC
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-- CBSWWWSBC
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-- CBSW#WSBC
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-- CBSW|WSBC
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-- CBSS|SSBC
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-- CBBB|BBBC
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-- CCCC|CCCC
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-- C = Concrete, B = Blast resistant concrete, S = Stainless Steel,
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-- W = water node, # = reactor core, | = HV cable
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-- The man-hole and the HV cable is only in the middle
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-- The man-hole is optional
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local vm = VoxelManip()
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local pos1 = vector.subtract(pos, 4)
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local pos2 = vector.add(pos, 4)
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local pos1 = vector.subtract(pos, 3)
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local pos2 = vector.add(pos, 3)
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local MinEdge, MaxEdge = vm:read_from_map(pos1, pos2)
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local data = vm:get_data()
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local area = VoxelArea:new({MinEdge=MinEdge, MaxEdge=MaxEdge})
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local c_concrete = minetest.get_content_id("technic:concrete")
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local c_blast_concrete = minetest.get_content_id("technic:blast_resistant_concrete")
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local c_stainless_steel = minetest.get_content_id("technic:stainless_steel_block")
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local c_water_source = minetest.get_content_id("default:water_source")
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local c_water_flowing = minetest.get_content_id("default:water_flowing")
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local concretelayer, blastlayer, steellayer, waterlayer = 0, 0, 0, 0
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local blastlayer, steellayer, waterlayer = 0, 0, 0
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for z = pos1.z, pos2.z do
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for y = pos1.y, pos2.y do
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for x = pos1.x, pos2.x do
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-- If the position is in the outer layer
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local cid = data[area:index(x, y, z)]
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if x == pos1.x or x == pos2.x or
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y == pos1.y or y == pos2.y or
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z == pos1.z or z == pos2.z then
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if data[area:index(x, y, z)] == c_concrete then
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concretelayer = concretelayer + 1
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if cid == c_blast_concrete then
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blastlayer = blastlayer + 1
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end
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elseif x == pos1.x+1 or x == pos2.x-1 or
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y == pos1.y+1 or y == pos2.y-1 or
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z == pos1.z+1 or z == pos2.z-1 then
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if data[area:index(x, y, z)] == c_blast_concrete then
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blastlayer = blastlayer + 1
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if cid == c_stainless_steel then
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steellayer = steellayer + 1
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end
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elseif x == pos1.x+2 or x == pos2.x-2 or
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y == pos1.y+2 or y == pos2.y-2 or
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z == pos1.z+2 or z == pos2.z-2 then
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if data[area:index(x, y, z)] == c_stainless_steel then
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steellayer = steellayer + 1
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end
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elseif x == pos1.x+3 or x == pos2.x-3 or
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y == pos1.y+3 or y == pos2.y-3 or
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z == pos1.z+3 or z == pos2.z-3 then
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local cid = data[area:index(x, y, z)]
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if cid == c_water_source or cid == c_water_flowing then
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waterlayer = waterlayer + 1
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end
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@ -165,8 +175,7 @@ local reactor_structure_badness = function(pos)
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if waterlayer > 25 then waterlayer = 25 end
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if steellayer > 96 then steellayer = 96 end
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if blastlayer > 216 then blastlayer = 216 end
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if concretelayer > 384 then concretelayer = 384 end
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return (25 - waterlayer) + (96 - steellayer) + (216 - blastlayer) + (384 - concretelayer)
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return (25 - waterlayer) + (96 - steellayer) + (216 - blastlayer)
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end
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local function meltdown_reactor(pos)
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