diff options
Diffstat (limited to 'legacy.lua')
| -rw-r--r-- | legacy.lua | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/legacy.lua b/legacy.lua new file mode 100644 index 0000000..9ff7c77 --- /dev/null +++ b/legacy.lua @@ -0,0 +1,145 @@ +-- This file contains functions to convert from +-- the old areas format and other compatability code. + +minetest.register_chatcommand("legacy_load_areas", { + params = "", + description = "Loads, converts, and saves the areas from a legacy save file.", + privs = {areas=true, server=true}, + func = function(name, param) + minetest.chat_send_player(name, "Converting areas...") + local startTime = os.clock() + + err = areas:legacy_load() + if err then + minetest.chat_send_player(name, "Error loading legacy file: "..err) + return + end + minetest.chat_send_player(name, "Legacy file loaded.") + + for k, area in pairs(areas.areas) do + --New position format + areas.areas[k].pos1 = {x=area.x1, y=area.y1, z=area.z1} + areas.areas[k].pos2 = {x=area.x2, y=area.y2, z=area.z2} + + areas.areas[k].x1, areas.areas[k].y1, + areas.areas[k].z1, areas.areas[k].x2, + areas.areas[k].y2, areas.areas[k].z2 = + nil, nil, nil, nil, nil, nil + + --Area positions sorting + areas.areas[k].pos1, areas.areas[k].pos2 = + areas:sortPos(areas.areas[k].pos1, areas.areas[k].pos2) + + --Add name + areas.areas[k].name = "unnamed" + end + minetest.chat_send_player(name, "Table format updated.") + + areas:save() + minetest.chat_send_player(name, "Converted areas saved.") + minetest.chat_send_player(name, "Finished in "..tostring(os.clock() - startTime).."s.") +end}) + +-- The old load function from node_ownership (with minor modifications) +function areas:legacy_load() + local filename = minetest.get_worldpath().."/owners.tbl" + tables, err = loadfile(filename) + if err then + return err + end + + tables = tables() + for idx = 1, #tables do + local tolinkv, tolinki = {}, {} + for i, v in pairs(tables[idx]) do + if type(v) == "table" and tables[v[1]] then + table.insert(tolinkv, {i, tables[v[1]]}) + end + if type(i) == "table" and tables[i[1]] then + table.insert(tolinki, {i, tables[i[1]]}) + end + end + -- link values, first due to possible changes of indices + for _, v in ipairs(tolinkv) do + tables[idx][v[1]] = v[2] + end + -- link indices + for _, v in ipairs(tolinki) do + tables[idx][v[2]], tables[idx][v[1]] = tables[idx][v[1]], nil + end + end + self.areas = tables[1] +end + +-- Returns the name of the first player that owns an area +function areas.getNodeOwnerName(pos) + for _, area in pairs(areas.areas) do + p1, p2 = area.pos1, area.pos2 + if pos.x >= p1.x and pos.x <= p2.x and + pos.y >= p1.y and pos.y <= p2.y and + pos.z >= p1.z and pos.z <= p2.z then + if area.owner ~= nil then + return area.owner + end + end + end + return false +end + +-- Checks if a node is owned by you +function areas.isNodeOwner(pos, name) + if minetest.check_player_privs(name, {areas=true}) then + return true + end + for _, area in pairs(areas.areas) do + p1, p2 = area.pos1, area.pos2 + if pos.x >= p1.x and pos.x <= p2.x and + pos.y >= p1.y and pos.y <= p2.y and + pos.z >= p1.z and pos.z <= p2.z then + if name == area.owner then + return true + end + end + end + return false +end + +IsPlayerNodeOwner = areas.isNodeOwner +GetNodeOwnerName = areas.getNodeOwnerName +HasOwner = areas.hasOwner + +if areas.legacy_table then + owner_defs = {} + setmetatable(owner_defs, { + __index = function(table, key) + local a = rawget(areas.areas, key) + if a then + a.x1 = a.pos1.x + a.y1 = a.pos1.y + a.z1 = a.pos1.z + a.x2 = a.pos2.x + a.y2 = a.pos2.y + a.z2 = a.pos2.z + a.pos1, a.pos2 = nil, nil + end + return a + end, + __newindex = function(table, key, value) + if rawget(areas.areas, key) ~= nil then + local a = value + a.pos1, a.pos2 = {}, {} + a.pos1.x = a.x1 + a.pos1.y = a.y1 + a.pos1.z = a.z1 + a.pos2.x = a.x2 + a.pos2.y = a.y2 + a.pos2.z = a.z2 + a.x1, a.y1, a.z1, a.x2, a.y2, a.z2 + = nil, nil, nil, nil, nil, nil + a.name = a.name or "unnamed" + return rawset(areas.areas, key, a); + end + end + }) +end + |