glyphs.lua

---@class AddonEnv
local _addon = select(2, ...);

---Glyph slot -> active spellID
---@type table<integer, integer|nil>
local activeGlyphs = {}

---Update specific slot
---@param slot integer
local function UpdateGlyphSlot(slot)
    _addon.util.PrintDebug("Updating glyph "..slot);
    local _, _, glyphSpellID = GetGlyphSocketInfo(slot);
    local oldGlyphId = activeGlyphs[slot];

    if oldGlyphId then
        -- No change.
        if oldGlyphId == glyphSpellID then return end

        -- Remove old effects in slot.
        local name = GetSpellInfo(oldGlyphId);
        local oldGlyph = _addon.classGlyphs[oldGlyphId];
        for k, effect in ipairs(oldGlyph) do
            _addon:RemoveAuraEffect(name.."-"..k, effect, effect.value, oldGlyphId, true);
        end
        activeGlyphs[slot] = nil;
    end

    local glyphData = _addon.classGlyphs[glyphSpellID];

    if glyphData then
        -- Apply new glyph effect.
        local name = GetSpellInfo(glyphSpellID);
        for k, effect in ipairs(glyphData) do
            _addon:ApplyAuraEffect(name.."-"..k, effect, effect.value, glyphSpellID, true);
        end
        activeGlyphs[slot] = glyphSpellID;
    end

    _addon:TriggerUpdate();
end

_addon.events.Register("GLYPH_ADDED", UpdateGlyphSlot);
_addon.events.Register("GLYPH_REMOVED", UpdateGlyphSlot);
_addon.events.Register("GLYPH_UPDATED", UpdateGlyphSlot);
_addon.events.Register("PLAYER_ENTERING_WORLD", function ()
    for i=1, GetNumGlyphSockets() do
        UpdateGlyphSlot(i);
    end
end);