Initial commit

src/main.lua

@@ -0,0 +1,87 @@
+-- Copyright 2023 <omicron.me@protonmail.com>
+--
+-- This file is part of Omicron Frames
+-- 
+-- Omicron Frames is free software: you can redistribute it and/or modify it
+-- under the terms of the GNU General Public License as published by the Free
+-- Software Foundation, either version 3 of the License, or (at your option)
+-- any later version.
+--
+-- Omicron Frames is distributed in the hope that it will be useful, but
+-- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+-- more details.
+--
+-- You should have received a copy of the GNU General Public License along with
+-- Omicron Frames. If not, see <https://www.gnu.org/licenses/>. 
+local AddonName, omif = ...
+omif.events = {} -- event (str) to list of handlers
+omif.db = nil
+
+omif.modules = {}
+-- Simple function that creates or returns a local module table
+function omif.GetModule(name)
+    if omif.modules[name] == nil then
+        omif.modules[name] = {}
+    end
+    return omif.modules[name]
+end
+
+-- Adds a given function to the event handler list for a given event
+-- This will later in the addon 
+function omif.SetEventHandler(event, fn)
+    if omif.events[event] == nil then
+        omif.events[event] = {}
+    end
+    table.insert(omif.events[event], fn)
+end
+
+-- The main handler receives basically every single event we want to listen to
+-- and dispatches them to more appropriate handlers
+function omif.MainEventHandler(frame, event, ...)
+    local handlers = omif.events[event]
+    if handlers ~= nil and next(handlers) ~= nil then
+        for i, handler in ipairs(handlers) do
+            handler(...)
+        end
+    end
+end
+
+-- Create the event frame and register all desired events
+function omif.SetupEvents()
+    local frame = CreateFrame("Frame")
+    for name, _ in pairs(omif.events) do
+        if string.sub(name, 1, string.len("OMICRON")) ~= "OMICRON" then
+            frame:RegisterEvent(name)
+        end
+    end
+    frame:SetScript("OnEvent", omif.MainEventHandler)
+end
+
+function omif.OnAddonLoaded(name)
+    if name ~= AddonName then
+        return
+    end
+    omif.MainEventHandler(nil, "OMICRON_LOADING")
+    print("Loaded", AddonName)
+end
+omif.SetEventHandler("ADDON_LOADED", omif.OnAddonLoaded)
+
+-- Fire custom event OMICRON_FULLY_LOADED. This event is fired when the player
+-- enters the world for the first time after logging in or reloading UI.
+function omif.FireFullyLoadedEvent(initialLogin, reloadUI)
+    if initialLogin or reloadUI then
+        omif.MainEventHandler(nil, "OMICRON_FULLY_LOADED")
+    end
+end
+omif.SetEventHandler("PLAYER_ENTERING_WORLD", omif.FireFullyLoadedEvent)
+
+function omif.SlashCommand(args)
+    omif.cli.ToggleShow()
+end
+
+function omif.SetupSlashCommands()
+    _G["SLASH_OMICRON1"] = "/omicronframes"
+    _G["SLASH_OMICRON2"] = "/omi"
+    SlashCmdList["OMICRON"] = omif.SlashCommand
+end