PI Manager v1.6.2

Power Infusion manager for Shadow Priests. Fully compatible with WoW 12.0.5 (Midnight). Optimized for parties and raids up to 40 players.

Install

Copy the PIManager folder to:

World of Warcraft/_retail_/Interface/AddOns/PIManager/

Then /reload or restart the game. On login the addon prints a confirmation, and it creates the PIManager macro once you've fully entered the world.

How it works

PI Manager builds and maintains a normal Blizzard macro named PIManager in your macro book. Open /macro, drag it to any action bar slot, and bind that slot to whatever key you like. The addon keeps the macro body up to date automatically — you never edit it by hand.

The macro uses live target conditionals, so the actual recipient is resolved by the game at the moment you press it:

/cast [@<assigned>,help,nodead][@<fallback>,help,nodead][@player] Power Infusion
/use 13            (if Trinket 13 enabled and equipped)
/use 14            (if Trinket 14 enabled and equipped)
/use <bag> <slot>  (if a combat potion is enabled and found)

Cast priority: assigned target → an eligible fallback group member → yourself (so the cooldown is never wasted). After each cast the addon prints who Power Infusion landed on.

Features

Main GUI window — /pi to toggle, or left-click the minimap button
Two launch points: a LibDBIcon minimap button (tooltip shows the current assignment) and an entry in Blizzard's AddonCompartment menu
Status line in the window showing Power Infusion's cooldown (Ready / CD seconds) and who the next cast will target
Player list with class colors and faction tags ([A] Alliance / [H] Horde)
Auto-maintained Blizzard macro — drag from /macro to any action bar slot, bind however you like
Cast confirmation: after each cast, prints who Power Infusion landed on (assigned / fallback / self)
Trinket slot 13 / 14 toggles (only fire if the slot is equipped)
Combat potion toggle, with a custom potion set by drag-and-drop or by item ID / name
Debug + diagnostics output for troubleshooting

Slash commands

Command	Action
`/pi`	Toggle the window
`/pi hide`	Close the window
`/pi assign <name>`	Assign PI to a player
`/pi clear`	Clear the assignment
`/pi trinket1 [on\\|off]`	Toggle/set Trinket slot 13 usage
`/pi trinket2 [on\\|off]`	Toggle/set Trinket slot 14 usage
`/pi potion [on\\|off]`	Toggle/set combat potion usage
`/pi setpotion <id\\|name>`	Set custom potion by item ID or exact name
`/pi clearpotion`	Clear custom potion (revert to default list)
`/pi macro`	Create/update the Blizzard macro for action bars
`/pi fix`	Re-attach the minimap button if it stopped responding
`/pi diag`	Print full diagnostic info
`/pi debug [on\\|off]`	Toggle/set debug logging
`/pi reset`	Wipe all saved settings
`/pi help`	Show the command list

Raid-safety design

Built to be quiet in 40-player raid content:

No OnUpdate polling. Status line and target resolution refresh only on game events (roster changes, equipment changes, combat boundaries).
Pre-allocated scratch tables. FindCastTarget reuses the same tables across calls — zero allocations per raid scan.
Single-pass O(n) raid scan. One walk through the roster categorizes each member inline.
Row pool. Player list rows are created once and reused; no CreateFrame churn during raid events.
No SPELL_UPDATE_COOLDOWN. That high-frequency event is never registered.
Combat-safe macro updates. EditMacro/CreateMacro are gated by InCombatLockdown; updates that hit during combat defer to PLAYER_REGEN_ENABLED.
Change-detected macro writes. The macro body is only rewritten when its content actually changes.
Duplicate-safe macro creation. The addon scans all macros before creating one, so it never spawns duplicate PIManager macros, and warns you if extras already exist.

Files

PIManager/
├── PIManager.toc          Addon manifest (Interface 120005)
├── PIManager.lua          All addon code
├── README.md              This file
├── IRONCLAD_RULES.md      Development/design rules
└── libs/
    ├── LibStub/
    ├── CallbackHandler-1.0/
    ├── LibDataBroker-1.1/
    └── LibDBIcon-1.0/     For the minimap button

Notes

A previous version included whisper/say/party "notify on cast" options. These were removed because the WoW server blocks/throttles addon-automated whispers (an anti-spam measure), so they could not be made reliable. See IRONCLAD_RULES.md for details.

Coding disclosure

This project was entirely vibe coded using Claude Opus 4.8. The addon — including its target resolution, auto-maintained Blizzard macro, minimap button, player list UI, and documentation — was developed iteratively in conversation with the model rather than hand-written line by line.