90 lines
2.5 KiB
Lua
90 lines
2.5 KiB
Lua
local function numk(tbl)
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local i = 0
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for a, b in pairs(tbl) do
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i = i + 1
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end
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return o
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end
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function import_scm(scm)
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local c_ignore = minetest.get_content_id("ignore")
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local f, err = io.open(minetest.get_modpath("mg").."/schems/"..scm..".we", "r")
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if not f then
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error("Could not open schematic '" .. scm .. ".we': " .. err)
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end
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value = f:read("*a")
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f:close()
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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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scm = {}
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local maxx, maxy, maxz = -1, -1, -1
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for i = 1, #nodes do
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local ent = nodes[i]
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ent.x = ent.x + 1
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ent.y = ent.y + 1
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ent.z = ent.z + 1
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if ent.x > maxx then
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maxx = ent.x
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end
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if ent.y > maxy then
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maxy = ent.y
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end
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if ent.z > maxz then
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maxz = ent.z
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end
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if scm[ent.y] == nil then
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scm[ent.y] = {}
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end
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if scm[ent.y][ent.x] == nil then
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scm[ent.y][ent.x] = {}
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end
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if ent.param2 == nil then
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ent.param2 = 0
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end
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if ent.meta == nil then
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ent.meta = {fields={}, inventory={}}
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end
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local paramtype2 = minetest.registered_nodes[ent.name] and minetest.registered_nodes[ent.name].paramtype2
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if ent.name == "mg:ignore" or not paramtype2 then
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scm[ent.y][ent.x][ent.z] = c_ignore
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elseif paramtype2 ~= "facedir" and paramtype2 ~= "wallmounted" and numk(ent.meta.fields) == 0 and numk(ent.meta.inventory) == 0 then
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scm[ent.y][ent.x][ent.z] = minetest.get_content_id(ent.name)
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else
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if paramtype2 ~= "facedir" and paramtype2 ~= "wallmounted" then
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scm[ent.y][ent.x][ent.z] = {node={name=ent.name, param2=ent.param2}, meta=ent.meta}
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else
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scm[ent.y][ent.x][ent.z] = {node={name=ent.name, param2=ent.param2}, meta=ent.meta, rotation = paramtype2}
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end
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end
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end
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local c_air = minetest.get_content_id("air")
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for x = 1, maxx do
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for y = 1, maxy do
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for z = 1, maxz do
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if scm[y] == nil then
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scm[y] = {}
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end
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if scm[y][x] == nil then
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scm[y][x] = {}
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end
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if scm[y][x][z] == nil then
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scm[y][x][z] = c_air
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end
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end
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end
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end
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return scm
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end
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