loot scan

Author: brues-code

src/Offsets.h

@@ -3460,6 +3460,36 @@ enum Offsets {
     // below.
     FUN_CMSG_LOOT_UNIT = 0x005DF2A0,
 
+    // `__fastcall(int loot_response_struct, undefined4 coin, int unk)`
+    // — master loot-window state controller. Called by the
+    // `SMSG_LOOT_RESPONSE` handler tail (via `FUN_0048F3A0`) and by
+    // `CloseLoot`-inner (via `FUN_0048F200(0, 0, 0)`). Two phases:
+    //   - **Close prior**: if `VAR_LOOT_GUID_LO/HI != 0`, clears
+    //     them, releases item-cache callbacks for the prior slots,
+    //     fires `LOOT_CLOSED` (event id `0x10D`).
+    //   - **Open new**: if `param_1 != 0`, copies the GUID from
+    //     `[param_1 + 8]` into `VAR_LOOT_GUID_LO/HI`, zeroes
+    //     `VAR_LOOT_SLOTS`, walks 16 slots populating itemID via
+    //     `FUN_005EBC90(slot)` and sibling helpers, sets
+    //     `VAR_LOOT_LOOTABLE = param_2` (coin), then fires
+    //     `LOOT_OPENED` (event id `0x10B`).
+    // Both event fires go through `FUN_FIRE_EVENT_NO_ARGS` —
+    // intercepting that function lets a caller swallow the events
+    // without touching this one.
+    FUN_LOOT_CONTROLLER = 0x004C1CB0,
+
+    // `__fastcall(int eventID)` — engine's no-args event dispatcher,
+    // the lighter-weight sibling of `FUN_FIRE_EVENT` (variadic).
+    // Called from ~100 sites across the engine, including the
+    // `LOOT_OPENED` / `LOOT_CLOSED` fires inside
+    // `FUN_LOOT_CONTROLLER`. Hooking it lets us conditionally swallow
+    // specific event ids while leaving the rest untouched — the
+    // mechanism we use to do silent scan loops without flickering
+    // the `LootFrame`. Fan-in is wide but call frequency is
+    // event-driven (state changes only), not per-frame, so per-call
+    // overhead from a hooked predicate is negligible.
+    FUN_FIRE_EVENT_NO_ARGS = 0x00703E50,
+
     // `__fastcall(int sendRelease, char earlyReturnOnGameObject,
     // char showError)` — engine's "close the current loot window"
     // inner. Behavior keyed off args: