342 lines
9.3 KiB
Lua
342 lines
9.3 KiB
Lua
------------------------------------------------
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------ Extended kit of standard functions ------
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------------------------------------------------
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function sleep(timesec)
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local start = time.uptime()
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while time.uptime() - start < timesec do
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coroutine.yield()
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end
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end
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------------------------------------------------
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------------------- Events ---------------------
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------------------------------------------------
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events = {
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handlers = {}
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}
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function events.on(event, func)
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if events.handlers[event] == nil then
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events.handlers[event] = {}
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end
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table.insert(events.handlers[event], func)
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end
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function events.reset(event, func)
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if func == nil then
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events.handlers[event] = nil
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else
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events.handlers[event] = {func}
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end
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end
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function events.remove_by_prefix(prefix)
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for name, handlers in pairs(events.handlers) do
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local actualname = name
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if type(name) == 'table' then
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actualname = name[1]
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end
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if actualname:sub(1, #prefix+1) == prefix..':' then
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events.handlers[actualname] = nil
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end
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end
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end
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function pack.unload(prefix)
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events.remove_by_prefix(prefix)
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end
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function events.emit(event, ...)
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local result = nil
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local handlers = events.handlers[event]
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if handlers == nil then
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return nil
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end
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for _, func in ipairs(handlers) do
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result = result or func(...)
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end
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return result
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end
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-- class designed for simple UI-nodes access via properties syntax
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local Element = {}
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function Element.new(docname, name)
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return setmetatable({docname=docname, name=name}, {
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__index=function(self, k)
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return gui.getattr(self.docname, self.name, k)
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end,
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__newindex=function(self, k, v)
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gui.setattr(self.docname, self.name, k, v)
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end
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})
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end
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-- the engine automatically creates an instance for every ui document (layout)
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Document = {}
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function Document.new(docname)
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return setmetatable({name=docname}, {
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__index=function(self, k)
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local elem = Element.new(self.name, k)
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rawset(self, k, elem)
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return elem
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end
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})
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end
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_GUI_ROOT = Document.new("core:root")
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_MENU = _GUI_ROOT.menu
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menu = _MENU
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local __post_runnables = {}
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function __process_post_runnables()
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if #__post_runnables then
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for _, func in ipairs(__post_runnables) do
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func()
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end
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__post_runnables = {}
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end
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end
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function time.post_runnable(runnable)
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table.insert(__post_runnables, runnable)
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end
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--- Console library extension ---
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console.cheats = {}
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local log_element = Document.new("core:console").log
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function console.log(...)
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local args = {...}
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local text = ''
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for i,v in ipairs(args) do
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if i ~= 1 then
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text = text..' '..v
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else
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text = text..v
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end
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end
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log_element.caret = -1
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if log_element.caret > 0 then
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text = '\n'..text
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end
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log_element:paste(text)
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end
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function gui.template(name, params)
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local text = file.read(file.find("layouts/templates/"..name..".xml"))
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for k,v in pairs(params) do
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local arg = tostring(v):gsub("'", "\\'"):gsub('"', '\\"')
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text = text:gsub("(%%{"..k.."})", arg)
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end
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text = text:gsub("if%s*=%s*'%%{%w+}'", "if=''")
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text = text:gsub("if%s*=%s*\"%%{%w+}\"", "if=\"\"")
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-- remove unsolved properties: attr='%{var}'
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text = text:gsub("%w+%s*=%s*'%%{%w+}'%s?", "")
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text = text:gsub("%w+%s*=%s*\"%%{%w+}\"%s?", "")
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return text
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end
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session = {
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entries={}
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}
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function session.get_entry(name)
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local entry = session.entries[name]
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if entry == nil then
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entry = {}
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session.entries[name] = entry
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end
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return entry
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end
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function session.reset_entry(name)
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session.entries[name] = nil
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end
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stdcomp = require "core:internal/stdcomp"
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entities.get = stdcomp.get_Entity
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entities.get_all = function(uids)
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if uids == nil then
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local values = {}
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for k,v in pairs(stdcomp.get_all()) do
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values[k] = v
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end
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return values
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else
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return stdcomp.get_all(uids)
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end
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end
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math.randomseed(time.uptime() * 1536227939)
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rules = {nexid = 1, rules = {}}
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local _rules = rules
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function _rules.get_rule(name)
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local rule = _rules.rules[name]
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if rule == nil then
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rule = {listeners={}}
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_rules.rules[name] = rule
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end
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return rule
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end
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function _rules.get(name)
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local rule = _rules.rules[name]
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if rule == nil then
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return nil
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end
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return rule.value
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end
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function _rules.set(name, value)
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local rule = _rules.get_rule(name)
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rule.value = value
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for _, handler in pairs(rule.listeners) do
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handler(value)
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end
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end
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function _rules.reset(name)
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local rule = _rules.get_rule(name)
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_rules.set(rule.default)
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end
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function _rules.listen(name, handler)
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local rule = _rules.get_rule(name)
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local id = _rules.nexid
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_rules.nextid = _rules.nexid + 1
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rule.listeners[utf8.encode(id)] = handler
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return id
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end
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function _rules.create(name, value, handler)
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local rule = _rules.get_rule(name)
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rule.default = value
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local handlerid
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if handler ~= nil then
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handlerid = _rules.listen(name, handler)
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end
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if _rules.get(name) == nil then
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_rules.set(name, value)
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else
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handler(_rules.get(name))
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end
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return handlerid
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end
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function _rules.unlisten(name, id)
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local rule = _rules.rules[name]
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if rule == nil then
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return
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end
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rule.listeners[utf8.encode(id)] = nil
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end
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function _rules.clear()
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_rules.rules = {}
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_rules.nextid = 1
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_rules.create("allow-cheats", true)
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end
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function __vc_create_hud_rules()
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_rules.create("allow-content-access", hud._is_content_access(), function(value)
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hud._set_content_access(value)
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input.set_enabled("player.pick", value)
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end)
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_rules.create("allow-flight", true, function(value)
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input.set_enabled("player.flight", value)
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end)
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_rules.create("allow-noclip", true, function(value)
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input.set_enabled("player.noclip", value)
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end)
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_rules.create("allow-attack", true, function(value)
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input.set_enabled("player.attack", value)
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end)
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_rules.create("allow-destroy", true, function(value)
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input.set_enabled("player.destroy", value)
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end)
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_rules.create("allow-cheat-movement", true, function(value)
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input.set_enabled("movement.cheat", value)
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end)
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_rules.create("allow-debug-cheats", true, function(value)
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hud._set_debug_cheats(value)
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end)
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end
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local RULES_FILE = "world:rules.toml"
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function __vc_on_world_open()
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if not file.exists(RULES_FILE) then
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return
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end
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local rule_values = toml.parse(file.read(RULES_FILE))
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for name, value in pairs(rule_values) do
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_rules.set(name, value)
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end
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end
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function __vc_on_world_save()
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local rule_values = {}
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for name, rule in pairs(rules.rules) do
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rule_values[name] = rule.value
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end
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file.write(RULES_FILE, toml.tostring(rule_values))
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end
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function __vc_on_world_quit()
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_rules.clear()
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end
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-- --------- Deprecated functions ------ --
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local function wrap_deprecated(func, name, alternatives)
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return function (...)
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on_deprecated_call(name, alternatives)
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return func(...)
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end
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end
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block_index = wrap_deprecated(block.index, "block_index", "block.index")
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block_name = wrap_deprecated(block.name, "block_name", "block.name")
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blocks_count = wrap_deprecated(block.defs_count, "blocks_count", "block.defs_count")
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is_solid_at = wrap_deprecated(block.is_solid_at, "is_solid_at", "block.is_solid_at")
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is_replaceable_at = wrap_deprecated(block.is_replaceable_at, "is_replaceable_at", "block.is_replaceable_at")
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set_block = wrap_deprecated(block.set, "set_block", "block.set")
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get_block = wrap_deprecated(block.get, "get_block", "block.get")
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get_block_X = wrap_deprecated(block.get_X, "get_block_X", "block.get_X")
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get_block_Y = wrap_deprecated(block.get_Y, "get_block_Y", "block.get_Y")
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get_block_Z = wrap_deprecated(block.get_Z, "get_block_Z", "block.get_Z")
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get_block_states = wrap_deprecated(block.get_states, "get_block_states", "block.get_states")
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set_block_states = wrap_deprecated(block.set_states, "set_block_states", "block.set_states")
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get_block_rotation = wrap_deprecated(block.get_rotation, "get_block_rotation", "block.get_rotation")
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set_block_rotation = wrap_deprecated(block.set_rotation, "set_block_rotation", "block.set_rotation")
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get_block_user_bits = wrap_deprecated(block.get_user_bits, "get_block_user_bits", "block.get_user_bits")
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set_block_user_bits = wrap_deprecated(block.set_user_bits, "set_block_user_bits", "block.set_user_bits")
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function load_script(path, nocache)
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on_deprecated_call("load_script", "require or loadstring")
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return __load_script(path, nocache)
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end
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_dofile = dofile
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-- Replaces dofile('*/content/packid/*') with load_script('packid:*')
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function dofile(path)
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on_deprecated_call("dofile", "require or loadstring")
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local index = string.find(path, "/content/")
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if index then
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local newpath = string.sub(path, index+9)
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index = string.find(newpath, "/")
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if index then
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local label = string.sub(newpath, 1, index-1)
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newpath = label..':'..string.sub(newpath, index+1)
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if file.isfile(newpath) then
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return __load_script(newpath, true)
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end
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end
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end
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return _dofile(path)
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end
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