285 lines
8.6 KiB
Lua
285 lines
8.6 KiB
Lua
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local S = minetest.get_translator("worldedit_commands")
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worldedit.prob_pos = {}
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worldedit.prob_list = {}
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local function check_region(name)
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return worldedit.volume(worldedit.pos1[name], worldedit.pos2[name])
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end
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local function check_filename(name)
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return name:find("^[%w%s%^&'@{}%[%],%$=!%-#%(%)%%%.%+~_]+$") ~= nil
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end
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local function open_schematic(name, param)
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-- find the file in the world path
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local testpaths = {
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minetest.get_worldpath() .. "/schems/" .. param,
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minetest.get_worldpath() .. "/schems/" .. param .. ".we",
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minetest.get_worldpath() .. "/schems/" .. param .. ".wem",
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}
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local file, err
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for index, path in ipairs(testpaths) do
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file, err = io.open(path, "rb")
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if not err then
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break
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end
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end
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if err then
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worldedit.player_notify(name, S("Could not open file \"@1\"", param), "error")
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return
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end
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local value = file:read("*a")
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file:close()
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local version = worldedit.read_header(value)
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if version == nil or version == 0 then
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worldedit.player_notify(name, S("Invalid file format!"), "error")
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return
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elseif version > worldedit.LATEST_SERIALIZATION_VERSION then
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worldedit.player_notify(name, S("Schematic was created with a newer version of WorldEdit."), "error")
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return
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end
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return value
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end
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local function detect_misaligned_schematic(name, pos1, pos2)
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pos1 = worldedit.sort_pos(pos1, pos2)
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-- Check that allocate/save can position the schematic correctly
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-- The expected behaviour is that the (0,0,0) corner of the schematic stays
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-- at pos1, this only works when the minimum position is actually present
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-- in the schematic.
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local node = minetest.get_node(pos1)
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local have_node_at_origin = node.name ~= "air" and node.name ~= "ignore"
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if not have_node_at_origin then
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worldedit.player_notify(name,
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S("Warning: The schematic contains excessive free space and WILL be "..
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"misaligned when allocated or loaded. To avoid this, shrink your "..
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"area to cover exactly the nodes to be saved.")
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)
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end
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end
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worldedit.register_command("save", {
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params = "<file>",
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description = S("Save the current WorldEdit region to \"(world folder)/schems/<file>.we\""),
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category = S("Schematics"),
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privs = {worldedit=true},
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require_pos = 2,
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parse = function(param)
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if param == "" then
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return false
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end
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if not check_filename(param) then
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return false, S("Disallowed file name: @1", param)
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end
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return true, param
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end,
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nodes_needed = check_region,
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func = function(name, param)
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local result, count = worldedit.serialize(worldedit.pos1[name],
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worldedit.pos2[name])
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detect_misaligned_schematic(name, worldedit.pos1[name], worldedit.pos2[name])
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local path = minetest.get_worldpath() .. "/schems"
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-- Create directory if it does not already exist
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minetest.mkdir(path)
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local filename = path .. "/" .. param .. ".we"
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local file, err = io.open(filename, "wb")
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if err ~= nil then
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return false, S("Could not save file to \"@1\"", filename)
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end
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file:write(result)
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file:flush()
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file:close()
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return true, S("@1 nodes saved", count)
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end,
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})
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worldedit.register_command("allocate", {
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params = "<file>",
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description = S("Set the region defined by nodes from \"(world folder)/schems/<file>.we\" as the current WorldEdit region"),
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category = S("Schematics"),
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privs = {worldedit=true},
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require_pos = 1,
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parse = function(param)
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if param == "" then
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return false
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end
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if not check_filename(param) then
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return false, S("Disallowed file name: @1", param)
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end
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return true, param
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end,
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func = function(name, param)
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local pos = worldedit.pos1[name]
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local value = open_schematic(name, param)
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if not value then
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return false
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end
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local nodepos1, nodepos2, count = worldedit.allocate(pos, value)
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if not nodepos1 then
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return false, S("Schematic empty, nothing allocated")
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end
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worldedit.pos1[name] = nodepos1
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worldedit.pos2[name] = nodepos2
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worldedit.marker_update(name)
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return true, S("@1 nodes allocated", count)
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end,
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})
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worldedit.register_command("load", {
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params = "<file>",
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description = S("Load nodes from \"(world folder)/schems/<file>[.we[m]]\" with position 1 of the current WorldEdit region as the origin"),
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category = S("Schematics"),
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privs = {worldedit=true},
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require_pos = 1,
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parse = function(param)
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if param == "" then
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return false
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end
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if not check_filename(param) then
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return false, S("Disallowed file name: @1", param)
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end
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return true, param
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end,
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func = function(name, param)
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local pos = worldedit.pos1[name]
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local value = open_schematic(name, param)
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if not value then
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return false
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end
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local count = worldedit.deserialize(pos, value)
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if count == nil then
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return false, S("Loading failed!")
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end
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return true, S("@1 nodes loaded", count)
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end,
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})
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worldedit.register_command("mtschemcreate", {
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params = "<file>",
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description = S("Save the current WorldEdit region using the Minetest "..
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"Schematic format to \"(world folder)/schems/<filename>.mts\""),
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category = S("Schematics"),
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privs = {worldedit=true},
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require_pos = 2,
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parse = function(param)
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if param == "" then
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return false
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end
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if not check_filename(param) then
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return false, S("Disallowed file name: @1", param)
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end
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return true, param
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end,
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nodes_needed = check_region,
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func = function(name, param)
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local path = minetest.get_worldpath() .. "/schems"
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-- Create directory if it does not already exist
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minetest.mkdir(path)
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local filename = path .. "/" .. param .. ".mts"
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local ret = minetest.create_schematic(worldedit.pos1[name],
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worldedit.pos2[name], worldedit.prob_list[name],
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filename)
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worldedit.prob_list[name] = {}
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if ret == nil then
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return false, S("Failed to create Minetest schematic")
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end
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return true, S("Saved Minetest schematic to @1", param)
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end,
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})
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worldedit.register_command("mtschemplace", {
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params = "<file>",
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description = S("Load nodes from \"(world folder)/schems/<file>.mts\" with position 1 of the current WorldEdit region as the origin"),
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category = S("Schematics"),
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privs = {worldedit=true},
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require_pos = 1,
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parse = function(param)
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local found, _, filename, rotation = param:find("^(.+)%s+([012789]+)$")
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if found == nil then
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filename = param
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elseif rotation ~= "0" and rotation ~= "90" and rotation ~= "180" and rotation ~= "270" then
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return false, S("Invalid rotation: @1", rotation)
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end
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if not check_filename(filename) then
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return false, S("Disallowed file name: @1", filename)
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end
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return true, filename, rotation
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end,
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func = function(name, filename, rotation)
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local pos = worldedit.pos1[name]
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local path = minetest.get_worldpath() .. "/schems/" .. filename .. ".mts"
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if minetest.place_schematic(pos, path, rotation) == nil then
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return false, S("failed to place Minetest schematic")
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end
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return true, S("placed Minetest schematic @1 at @2",
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filename, minetest.pos_to_string(pos))
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end,
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})
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worldedit.register_command("mtschemprob", {
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params = "start/finish/get",
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description = S("Begins node probability entry for Minetest schematics, gets the nodes that have probabilities set, or ends node probability entry"),
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category = S("Schematics"),
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privs = {worldedit=true},
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parse = function(param)
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if param ~= "start" and param ~= "finish" and param ~= "get" then
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return false, S("unknown subcommand: @1", param)
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end
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return true, param
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end,
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func = function(name, param)
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if param == "start" then --start probability setting
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worldedit.set_pos[name] = "prob"
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worldedit.prob_list[name] = {}
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worldedit.player_notify(name, S("select Minetest schematic probability values by punching nodes"), "info")
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elseif param == "finish" then --finish probability setting
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worldedit.set_pos[name] = nil
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worldedit.player_notify(name, S("finished Minetest schematic probability selection"), "info")
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elseif param == "get" then --get all nodes that had probabilities set on them
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local text = ""
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local problist = worldedit.prob_list[name]
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if problist == nil then
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return
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end
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for k,v in pairs(problist) do
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local prob = math.floor(((v.prob / 256) * 100) * 100 + 0.5) / 100
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text = text .. minetest.pos_to_string(v.pos) .. ": " .. prob .. "% | "
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end
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worldedit.player_notify(name, S("currently set node probabilities:") .. "\n" .. text, "info")
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end
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end,
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})
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minetest.register_on_player_receive_fields(function(player, formname, fields)
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if formname == "prob_val_enter" then
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local name = player:get_player_name()
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local problist = worldedit.prob_list[name]
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if problist == nil then
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return
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end
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local e = {pos=worldedit.prob_pos[name], prob=tonumber(fields.text)}
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if e.pos == nil or e.prob == nil or e.prob < 0 or e.prob > 256 then
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worldedit.player_notify(name, S("invalid node probability given, not saved"), "error")
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return
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end
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problist[#problist+1] = e
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end
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end)
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