mirror of
https://git.minetest.land/Mineclonia/Mineclonia.git
synced 2024-11-09 03:05:06 +00:00
287 lines
9.3 KiB
Lua
287 lines
9.3 KiB
Lua
-- Temporarily disable this mod because of HORRIBLE bugs
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-- TODO: Re-enable this mod
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--[===[
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local init = os.clock()
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random_struct ={}
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random_struct.get_struct = function(file)
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local localfile = minetest.get_modpath("random_struct").."/build/"..file
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local file, errorload = io.open(localfile, "rb")
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if errorload ~= nil then
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minetest.log("action", '[Random_Struct] error: could not open this struct "' .. localfile .. '"')
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return nil
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end
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local allnode = file:read("*a")
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file:close()
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return allnode
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end
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-- World edit function
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random_struct.valueversion_WE = function(value)
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if value:find("([+-]?%d+)%s+([+-]?%d+)%s+([+-]?%d+)") and not value:find("%{") then --previous list format
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return 3
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elseif value:find("^[^\"']+%{%d+%}") then
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if value:find("%[\"meta\"%]") then --previous meta flat table format
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return 2
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end
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return 1 --original flat table format
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elseif value:find("%{") then --current nested table format
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return 4
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end
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return 0 --unknown format
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end
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random_struct.allocate_WE = function(originpos, value)
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local huge = math.huge
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local pos1x, pos1y, pos1z = huge, huge, huge
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local pos2x, pos2y, pos2z = -huge, -huge, -huge
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local originx, originy, originz = originpos.x, originpos.y, originpos.z
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local count = 0
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local version = random_struct.valueversion_WE (value)
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if version == 1 or version == 2 then --flat table format
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--obtain the node table
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local get_tables = loadstring(value)
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if get_tables then --error loading value
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return originpos, originpos, count
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end
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local tables = get_tables()
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--transform the node table into an array of nodes
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for i = 1, #tables do
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for j, v in pairs(tables[i]) do
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if type(v) == "table" then
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tables[i][j] = tables[v[1]]
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end
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end
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end
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local nodes = tables[1]
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--check the node array
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count = #nodes
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if version == 1 then --original flat table format
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for index = 1, count do
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local entry = nodes[index]
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local pos = entry[1]
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local x, y, z = originx - pos.x, originy - pos.y, originz - pos.z
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if x < pos1x then pos1x = x end
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if y < pos1y then pos1y = y end
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if z < pos1z then pos1z = z end
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if x > pos2x then pos2x = x end
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if y > pos2y then pos2y = y end
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if z > pos2z then pos2z = z end
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end
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else --previous meta flat table format
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for index = 1, count do
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local entry = nodes[index]
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local x, y, z = originx - entry.x, originy - entry.y, originz - entry.z
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if x < pos1x then pos1x = x end
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if y < pos1y then pos1y = y end
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if z < pos1z then pos1z = z end
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if x > pos2x then pos2x = x end
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if y > pos2y then pos2y = y end
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if z > pos2z then pos2z = z end
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end
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end
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elseif version == 3 then --previous list format
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for x, y, z, name, param1, param2 in value:gmatch("([+-]?%d+)%s+([+-]?%d+)%s+([+-]?%d+)%s+([^%s]+)%s+(%d+)%s+(%d+)[^\r\n]*[\r\n]*") do --match node entries
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local x, y, z = originx + tonumber(x), originy + tonumber(y), originz + tonumber(z)
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if x < pos1x then pos1x = x end
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if y < pos1y then pos1y = y end
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if z < pos1z then pos1z = z end
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if x > pos2x then pos2x = x end
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if y > pos2y then pos2y = y end
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if z > pos2z then pos2z = z end
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count = count + 1
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end
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elseif version == 4 then --current nested table format
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--wip: this is a filthy hack that works surprisingly well
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value = value:gsub("return%s*{", "", 1):gsub("}%s*$", "", 1)
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local escaped = value:gsub("\\\\", "@@"):gsub("\\\"", "@@"):gsub("(\"[^\"]*\")", function(s) return string.rep("@", #s) end)
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local startpos, startpos1, endpos = 1, 1
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local nodes = {}
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while true do
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startpos, endpos = escaped:find("},%s*{", startpos)
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if not startpos then
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break
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end
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local current = value:sub(startpos1, startpos)
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table.insert(nodes, minetest.deserialize("return " .. current))
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startpos, startpos1 = endpos, endpos
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end
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table.insert(nodes, minetest.deserialize("return " .. value:sub(startpos1)))
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--local nodes = minetest.deserialize(value) --wip: this is broken for larger tables in the current version of LuaJIT
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count = #nodes
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for index = 1, count do
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local entry = nodes[index]
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local x, y, z = originx + entry.x, originy + entry.y, originz + entry.z
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if x < pos1x then pos1x = x end
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if y < pos1y then pos1y = y end
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if z < pos1z then pos1z = z end
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if x > pos2x then pos2x = x end
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if y > pos2y then pos2y = y end
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if z > pos2z then pos2z = z end
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end
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end
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local pos1 = {x=pos1x, y=pos1y, z=pos1z}
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local pos2 = {x=pos2x, y=pos2y, z=pos2z}
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return pos1, pos2, count
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end
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random_struct.deserialise_WE = function(originpos, value)
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--make area stay loaded
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local pos1, pos2 = random_struct.allocate_WE(originpos, value)
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local manip = minetest.get_voxel_manip()
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manip:read_from_map(pos1, pos2)
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local originx, originy, originz = originpos.x, originpos.y, originpos.z
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local count = 0
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local add_node, get_meta = minetest.add_node, minetest.get_meta
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local version = random_struct.valueversion_WE(value)
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if version == 1 or version == 2 then --original flat table format
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--obtain the node table
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local get_tables = loadstring(value)
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if not get_tables then --error loading value
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return count
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end
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local tables = get_tables()
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--transform the node table into an array of nodes
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for i = 1, #tables do
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for j, v in pairs(tables[i]) do
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if type(v) == "table" then
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tables[i][j] = tables[v[1]]
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end
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end
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end
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local nodes = tables[1]
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--load the node array
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count = #nodes
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if version == 1 then --original flat table format
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for index = 1, count do
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local entry = nodes[index]
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local pos = entry[1]
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pos.x, pos.y, pos.z = originx - pos.x, originy - pos.y, originz - pos.z
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add_node(pos, entry[2])
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end
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else --previous meta flat table format
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for index = 1, #nodes do
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local entry = nodes[index]
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entry.x, entry.y, entry.z = originx + entry.x, originy + entry.y, originz + entry.z
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add_node(entry, entry) --entry acts both as position and as node
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get_meta(entry):from_table(entry.meta)
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end
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end
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elseif version == 3 then --previous list format
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local pos = {x=0, y=0, z=0}
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local node = {name="", param1=0, param2=0}
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for x, y, z, name, param1, param2 in value:gmatch("([+-]?%d+)%s+([+-]?%d+)%s+([+-]?%d+)%s+([^%s]+)%s+(%d+)%s+(%d+)[^\r\n]*[\r\n]*") do --match node entries
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pos.x, pos.y, pos.z = originx + tonumber(x), originy + tonumber(y), originz + tonumber(z)
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node.name, node.param1, node.param2 = name, param1, param2
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add_node(pos, node)
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count = count + 1
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end
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elseif version == 4 then --current nested table format
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--wip: this is a filthy hack that works surprisingly well
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value = value:gsub("return%s*{", "", 1):gsub("}%s*$", "", 1)
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local escaped = value:gsub("\\\\", "@@"):gsub("\\\"", "@@"):gsub("(\"[^\"]*\")", function(s) return string.rep("@", #s) end)
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local startpos, startpos1, endpos = 1, 1
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local nodes = {}
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while true do
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startpos, endpos = escaped:find("},%s*{", startpos)
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if not startpos then
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break
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end
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local current = value:sub(startpos1, startpos)
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table.insert(nodes, minetest.deserialize("return " .. current))
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startpos, startpos1 = endpos, endpos
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end
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table.insert(nodes, minetest.deserialize("return " .. value:sub(startpos1)))
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--local nodes = minetest.deserialize(value) --wip: this is broken for larger tables in the current version of LuaJIT
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--load the nodes
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count = #nodes
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for index = 1, count do
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local entry = nodes[index]
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entry.x, entry.y, entry.z = originx + entry.x, originy + entry.y, originz + entry.z
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add_node(entry, entry) --entry acts both as position and as node
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end
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--load the metadata
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for index = 1, count do
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local entry = nodes[index]
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get_meta(entry):from_table(entry.meta)
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end
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end
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return count
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end
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-- End of world edit deserialise part
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-- The call of Struct
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random_struct.call_struct= function(pos, struct_style)
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-- 1 : City , 2 : Temple Sand
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if struct_style == 1 then
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random_struct.generatecity(pos)
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elseif struct_style == 2 then
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random_struct.generate_temple_sand(pos)
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end
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end
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random_struct.generatecity = function(pos)
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-- No Generating for the moment only place it :D
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local city = random_struct.get_struct("pnj_town_1.we")
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local newpos = {x=pos.x,y=pos.y,z=pos.z}
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if newpos == nil then
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return
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end
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random_struct.deserialise_WE(newpos, city )
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end
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random_struct.generate_temple_sand = function(pos)
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-- No Generating for the temple ... Why using it ? No Change
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local temple = random_struct.get_struct("desert_temple.we")
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local newpos = {x=pos.x,y=pos.y-12,z=pos.z}
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if newpos == nil then
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return
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end
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random_struct.deserialise_WE(newpos, temple)
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end
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-- Debug command
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minetest.register_chatcommand("spawnstruct", {
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params = "",
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description = "Spawn a Struct.",
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func = function(name, param)
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local pos= minetest.get_player_by_name(name):getpos()
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if not pos then
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return
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end
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if param == "" or param == "help" then
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minetest.chat_send_player(name, "Please use instruction /spawnstruct TYPE")
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minetest.chat_send_player(name, "TYPE avaiable : town, temple_sand")
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end
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if param == "town" then
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random_struct.generatecity(pos)
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minetest.chat_send_player(name, "Town Created")
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end
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if param == "temple_sand" then
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random_struct.generate_temple_sand(pos)
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minetest.chat_send_player(name, "Temple Sand Created")
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end
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end
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})
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local time_to_load= os.clock() - init
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print(string.format("[MOD] "..minetest.get_current_modname().." loaded in %.4f s", time_to_load))
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-- TODO: Remove after re-enabling this mod
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]===]
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