A framework for the Godot engine to create TTRPG games for Advanced 5th Edition, Pathfinder 2nd Edition, and more
cass.cityboundforest.com
Changing return of hooks.lua from class table to global instance of Hooks class
1hooks = class(function(self)
2 self.events = {}
3end)
4
5function hooks:on(event, callback)
6 if not self.events[event] then
7 self.events[event] = {}
8 end
9
10 table.insert(self.events[event], callback)
11end
12
13function hooks:once(event, callback)
14 local wrapper
15 wrapper = function(...)
16 callback(...)
17 self:off(event, wrapper)
18 end
19
20 self:on(event, wrapper)
21end
22
23function hooks:off(event, callback)
24 local list = self.events[event]
25 if not list then return end
26 for i, cb in ipairs(list) do
27 if cb == callback then
28 table.remove(list, i)
29 return
30 end
31 end
32end
33
34function hooks:emit(event, ...)
35 local list = self.events[event]
36 if not list then return end
37 for _, cb in ipairs(list) do
38 cb(...)
39 end
40end
41
42local Hooks = hooks()
43return Hooks