init.lua

-- doesitstack by Algar
-- version 1.1 - Enhanced by Claude Code
-- A script to iterate through your buff and song list to check stacking of each effect with a provided spellId
-- Usage: /doesitstack <spellID> [triggers|trigger|t]
-- Optional second argument checks triggered spells for stacking conflicts

local mq = require('mq')

print("DoesItStack: Use '/doesitstack <spellID>' to check effect stacking with your current buffs/songs.")
print("DoesItStack: Add 'trigger', or 't' as a second argument to also check triggered spells.")
print("DoesItStack: Example: /doesitstack 12345 t")
print("Please note that exposed stacking information is not 100% accurate!")


mq.bind("/doesitstack", function(...)
    local args = { ..., }

    if not args[1] or args[1]:len() == 0 then
        print("DoesItStack: Please enter a valid spell ID to check!")
        return
    end

    local spellId = tonumber(args[1])
    local checkTriggers = false

    -- Check if second argument is provided for trigger checking
    if args[2] and args[2]:len() > 0 then
        local triggerArg = args[2]:lower()
        if triggerArg == "trigger" or triggerArg == "t" then
            checkTriggers = true
        end
    end

    if type(spellId) == 'number' then
        local spell = mq.TLO.Spell(spellId)
        if spell and spell() then
            local spellName = spell.Name() or "Error"
            local noStack = 0
            local buffSlots = mq.TLO.Me.MaxBuffSlots()
            local songSlots = mq.TLO.MacroQuest.BuildName():lower() == "emu" and 20 or 30

            printf("DoesItStack: Starting stacking check for %s(ID: %d).", spellName, spellId)

            for i = 1, buffSlots do
                local buff = mq.TLO.Me.Buff(i)
                local buffId = buff() and buff.Spell.ID() or 0
                local buffName = buff() and buff.Spell.Name() or "Error"

                if buffId > 0 then
                    ---@diagnostic disable-next-line: redundant-parameter
                    local stacks = spell.StacksWith(buffId)()
                    if not stacks then
                        printf("DoesItStack: This effect does NOT appear to stack with Buff slot %d - %s(ID: %d).", i, buffName, buffId)
                        noStack = noStack + 1
                    end
                end
            end

            for i = 1, songSlots do
                local song = mq.TLO.Me.Song(i)
                local songId = song() and song.Spell.ID() or 0
                local songName = song() and song.Spell.Name() or "Error"

                if songId > 0 then
                    ---@diagnostic disable-next-line: redundant-parameter
                    local stacks = spell.StacksWith(songId)()
                    if not stacks then
                        printf("DoesItStack: This effect does NOT appear to stack with Song slot %d - %s(ID: %d).", i, songName, songId)
                        noStack = noStack + 1
                    end
                end
            end
            if noStack == 1 then
                printf("DoesItStack: There is one reported effect that may prevent %s(ID: %d) from being applied.", spellName, spellId)
            else
                printf("DoesItStack: There are %s reported effects that may prevent %s(ID: %d) from being applied.", (noStack > 0 and noStack or "no"), spellName, spellId)

                if noStack == 0 then
                    local willLand = spell.WillLand() or 0

                    -- some effects that go to the song window will return 0, some will return a number that appears to be indexed to buff slots... don't report willand for songs
                    if willLand > 0 and willLand <= buffSlots then
                        printf("This effect is expected to land in Buff slot %d.", willLand)
                    end
                end
            end

            -- Check triggered spells if requested
            if checkTriggers then
                local numEffects = spell.NumEffects() or 0
                local triggersChecked = 0
                local triggerConflicts = 0

                for i = 1, numEffects do
                    local triggerSpell = spell.Trigger(i)
                    if triggerSpell and triggerSpell() and triggerSpell.ID() > 0 then
                        triggersChecked = triggersChecked + 1
                        local triggerName = triggerSpell.Name() or "Unknown"
                        local triggerId = triggerSpell.ID()
                        local triggerNoStack = 0

                        -- Check trigger against buffs
                        for j = 1, buffSlots do
                            local buff = mq.TLO.Me.Buff(j)
                            local buffId = buff() and buff.Spell.ID() or 0
                            local buffName = buff() and buff.Spell.Name() or "Error"

                            if buffId > 0 then
                                ---@diagnostic disable-next-line: redundant-parameter
                                local stacks = triggerSpell.StacksWith(buffId)()
                                if not stacks then
                                    printf("DoesItStack: Triggered spell %s(ID: %d) does NOT appear to stack with Buff slot %d - %s(ID: %d).", triggerName, triggerId, j, buffName,
                                        buffId)
                                    triggerNoStack = triggerNoStack + 1
                                    triggerConflicts = triggerConflicts + 1
                                end
                            end
                        end

                        -- Check trigger against songs
                        for j = 1, songSlots do
                            local song = mq.TLO.Me.Song(j)
                            local songId = song() and song.Spell.ID() or 0
                            local songName = song() and song.Spell.Name() or "Error"

                            if songId > 0 then
                                ---@diagnostic disable-next-line: redundant-parameter
                                local stacks = triggerSpell.StacksWith(songId)()
                                if not stacks then
                                    printf("DoesItStack: Triggered spell %s(ID: %d) does NOT appear to stack with Song slot %d - %s(ID: %d).", triggerName, triggerId, j, songName,
                                        songId)
                                    triggerNoStack = triggerNoStack + 1
                                    triggerConflicts = triggerConflicts + 1
                                end
                            end
                        end
                    end
                end

                if triggersChecked == 0 then
                    print("DoesItStack: This spell has no triggered effects.")
                elseif triggerConflicts == 1 then
                    printf("DoesItStack: There is one reported effect that may prevent a triggered spell from being applied.")
                else
                    printf("DoesItStack: There are %s reported effects that may prevent a triggered spell from being applied.", (triggerConflicts > 0 and triggerConflicts or "no"))
                end
            end
        else
            print("DoesItStack: No spell detected with that ID!")
        end
    else
        print("DoesItStack: Please enter a valid spell ID to check!")
    end
end
)

local function main()
    while true do
        mq.delay(500)
    end
end

main()