modcleaner/init.lua
2017-08-30 14:39:12 -07:00

87 lines
1.8 KiB
Lua

--[[ Clean mod
License: CC0
]]
clean = {}
clean.name = core.get_current_modname()
local debug = core.settings:get_bool('enable_debug_mods')
local function log(level, msg)
core.log(level, '[' .. clean.name .. '] ' .. msg)
end
local function logDebug(msg)
if debug then
core.log('DEBUG: [' .. clean.name .. '] ' .. msg)
end
end
local old_nodes = {}
local old_entities = {}
-- Old/Missing nodes that should be replaced with something currently in game
local replace_nodes = {}
-- "Replaces" an old/non-existent node
local function replace_node(old_node, new_node)
core.register_alias(old_node, new_node)
end
for _,node_name in ipairs(old_nodes) do
core.register_node(':' .. node_name, {
groups = {old=1},
})
end
core.register_abm({
nodenames = {'group:old'},
interval = 1,
chance = 1,
action = function(pos, node)
core.remove_node(pos)
end,
})
-- Populate entities list from file in world path
local e_list = nil
local e_path = core.get_worldpath() .. '/clean_entities.txt'
local e_file = io.open(e_path, 'r')
if e_file then
e_list = e_file:read('*a')
e_file:close()
else
-- Create empty file
e_file = io.open(e_path, 'w')
if e_file then
e_file:close()
end
end
if e_list then
logDebug('Loading entities to clean from file ...')
e_list = string.split(e_list, '\n')
for _, entity_name in ipairs(e_list) do
table.insert(old_entities, entity_name)
end
end
for _, entity_name in ipairs(old_entities) do
logDebug('Cleaning entity: ' .. entity_name)
core.register_entity(':' .. entity_name, {
on_activate = function(self, staticdata)
self.object:remove()
end,
})
end
-- Replace old nodes
for _, node_group in pairs(replace_nodes) do
replace_node(node_group[1], node_group[2])
end