Add "Hide in Cities" toggle to minimap icons dropdown

Reads zone ID from 0xB4E314 and suppresses NPC/GO tracking in capital
cities (SW, IF, Darn, Org, TB, UC, Alah'Thalas) when enabled. Castle
icon converted from WC3-style PNG via png2blp.

src/main.zig

@@ -96,6 +96,7 @@ fn registerLuaFunctions() void {
     if (build_opts.minimapicons and minimapicons.isActive()) {
         const lib = [_]lua.LuaReg{
             .{ .name = "SetObjectTypeBlip", .func = @intFromPtr(&minimapicons.luaSetObjectTypeBlip) },
+            .{ .name = "SetMinimapCityToggle", .func = @intFromPtr(&minimapicons.luaSetCityToggle) },
             .{ .name = null, .func = 0 },
         };
         lua.openlib(lua.getContext(), "WeirdUtils", &lib, 0);

src/minimapicons/addon/MinimapIcons.lua

@@ -121,6 +121,9 @@ local activeNpcCategories = {} -- name -> 1/nil, loaded from WeirdUtils_MinimapI
 -- that take priority over unfiltered catch-all entries.
 local function updateDllTracking()
     if not WeirdUtils.SetObjectTypeBlip then return end
+    if WeirdUtils.SetMinimapCityToggle then
+        WeirdUtils.SetMinimapCityToggle(activeNpcCategories["City Toggle"] and 1 or 0)
+    end
     for _, cat in ipairs(NPC_CATEGORIES) do
         local inc = cat.getFilter and cat.getFilter() or nil
         local exc = cat.getExclude and cat.getExclude() or nil
@@ -220,6 +223,23 @@ UIDropDownMenu_Initialize(dropdown, function()
     npcTitle.notCheckable = 1
     UIDropDownMenu_AddButton(npcTitle)
 
+    -- City Toggle: suppress NPC/GO tracking in capital cities
+    local cityInfo = {}
+    cityInfo.text = "Hide in Cities"
+    cityInfo.icon = "Interface\\Minimap\\Tracking\\City"
+    cityInfo.checked = activeNpcCategories["City Toggle"]
+    cityInfo.keepShownOnClick = 1
+    cityInfo.func = function()
+        if activeNpcCategories["City Toggle"] then
+            activeNpcCategories["City Toggle"] = nil
+        else
+            activeNpcCategories["City Toggle"] = 1
+        end
+        WeirdUtils_MinimapIconsSettings = activeNpcCategories
+        updateDllTracking()
+    end
+    UIDropDownMenu_AddButton(cityInfo)
+
     for _, cat in ipairs(NPC_CATEGORIES) do
         local catName = cat.name
         local info = {}

src/minimapicons/minimapicons.zig

@@ -268,6 +268,19 @@ var g_go_id_tracking: [MAX_GO_ID_ENTRIES]GoEntryEntry = .{GoEntryEntry{}} ** MAX
 var g_blips: [MAX_BLIPS]TrackedBlip = undefined;
 var g_blip_count: u32 = 0;
 var g_has_active_tracking: bool = false;
+var g_city_toggle: bool = false; // when true, suppress tracking in cities
+
+// Capital city zone IDs
+const CITY_ZONES = [_]u32{
+    1519, // Stormwind City
+    1537, // Ironforge
+    1657, // Darnassus
+    1637, // Orgrimmar
+    1638, // Thunder Bluff
+    1497, // Undercity
+    2040, // Alah'Thalas
+};
+const ZONE_AREA_ID: usize = 0x00B4E314;
 var g_has_active_unit_tracking: bool = false;
 var g_has_active_go_tracking: bool = false;
 var g_has_any_filters: bool = false;
@@ -985,8 +998,16 @@ fn refreshActiveTrackingCache() void {
 const EnumProcFn = fn (u32, u32, u32, u32) callconv(fc) i32;
 var enum_proc_hook: hook.Detour(EnumProcFn) = .{};
 
+fn isInCity() bool {
+    const zone = hook.readMem(u32, ZONE_AREA_ID);
+    for (CITY_ZONES) |city| {
+        if (zone == city) return true;
+    }
+    return false;
+}
+
 fn objectEnumProcDetour(info: u32, _edx: u32, guid_lo: u32, guid_hi: u32) callconv(fc) i32 {
-    if (g_has_active_tracking) {
+    if (g_has_active_tracking and !(g_city_toggle and isInCity())) {
         if (checkObject(info, guid_lo, guid_hi)) {
             return 1; // Skip original — we draw our own icon
         }
@@ -1198,6 +1219,12 @@ pub fn luaSetObjectTypeBlip(L: lua.State) callconv(fc) i32 {
     return 0;
 }
 
+// SetMinimapCityToggle(enabled) — suppress NPC/GO tracking in capital cities
+pub fn luaSetCityToggle(L: lua.State) callconv(fc) i32 {
+    g_city_toggle = lua.isnumber(L, 1) and lua.tonumber(L, 1) != 0;
+    return 0;
+}
+
 const TypeMapping = struct {
     kind: enum { npc_flag, go_type, go_entry } = .npc_flag,
     value: u32,