modcleaner/misc_functions.lua

131 lines
2.6 KiB
Lua

local S = core.get_translator(cleaner.modname)
--- Cleans duplicate entries from indexed table.
--
-- @local
-- @function clean_duplicates
-- @tparam table t
-- @treturn table
local function clean_duplicates(t)
local tmp = {}
for _, v in ipairs(t) do
tmp[v] = true
end
t = {}
for k in pairs(tmp) do
table.insert(t, k)
end
return t
end
local world_file = core.get_worldpath() .. "/cleaner.json"
local function get_world_data()
local wdata = {}
local buffer = io.open(world_file, "r")
if buffer then
wdata = core.parse_json(buffer:read("*a"))
buffer:close()
end
local rem_types = {"entities", "nodes", "ores",}
local rep_types = {"items", "nodes",}
for _, t in ipairs(rem_types) do
wdata[t] = wdata[t] or {}
wdata[t].remove = wdata[t].remove or {}
end
for _, t in ipairs(rep_types) do
wdata[t] = wdata[t] or {}
wdata[t].replace = wdata[t].replace or {}
end
return wdata
end
local function update_world_data(t, data)
local wdata = get_world_data()
if t and data then
wdata[t].remove = data.remove
wdata[t].replace = data.replace
end
local json_string = core.write_json(wdata, true):gsub("\"remove\" : null", "\"remove\" : []")
:gsub("\"replace\" : null", "\"replace\" : {}")
local buffer = io.open(world_file, "w")
if buffer then
buffer:write(json_string)
buffer:close()
return true
end
return false
end
local tool = {
modes = {
erase = true,
write = true,
swap = true,
},
}
tool.set_mode = function(self, stack, mode, pname)
local iname = stack:get_name()
if not self.modes[mode] then
if pname then
core.chat_send_player(pname, iname .. ": " .. S("unknown mode: @1", mode))
end
cleaner.log("warning", iname .. ": unknown mode: " .. mode)
return stack
end
--[[ FIXME: want to flip item image when mode is set to "erase"
local new_item = table.copy(core.registered_nodes[iname])
if mode == "erase" then
new_item.inventory_image = "cleaner_pencil.png^[transformFXFY"
else
new_item.inventory_image = "cleaner_pencil.png"
end
local new_stack = ItemStack(new_item)
]]
local imeta = stack:get_meta()
imeta:set_string("mode", mode)
if pname then
core.chat_send_player(pname, iname .. ": "
.. S("mode set to: @1", imeta:get_string("mode")))
end
return stack
end
tool.set_node = function(self, stack, node, pname)
local imeta = stack:get_meta()
imeta:set_string("node", node)
if pname then
core.chat_send_player(pname, stack:get_name() .. ": "
.. S("node set to: @1", imeta:get_string("node")))
end
return stack
end
return {
clean_duplicates = clean_duplicates,
get_world_data = get_world_data,
update_world_data = update_world_data,
tool = tool,
}