Add module control API, bigcursor with fractional scaling, shared mutex
Module control API: - Three cdecl exports: WeirdUtils_IsModuleActive, WeirdUtils_DisableModule, WeirdUtils_DisableAll - C header include/weirdutils_api.h for runtime DLL discovery - All modules gain pub module_name, isActive(), shared mutex via src/mutex.zig - build.zig refactored to module_list array of ModuleDesc Bigcursor: - D3D9 vtable hooks on SetCursorProperties/ShowCursor - Scale2x/Scale3x pixel-art upscalers in pure Zig (replaces 12K-line hqx C) - Bilinear resampler for fractional scales (1.0-4.0, default 1.2) - Win32 cursor via CreateIconIndirect bypasses D3D9 32x32 limit - FNV-1a hash cache for ~16 cursor bitmaps - Lua API: SetCursorScale(n) / GetCursorScale() - CVar cursorScale for Config.wtf persistence (tenths) Other: - Add dpslog module stub - Docs and README updates
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MarcelineVQ
@@ -154,11 +154,19 @@ const CachedPlayerState = struct {
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var g_cache: CachedPlayerState = .{};
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const mod_mutex = @import("../mutex.zig");
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pub const module_name: [*:0]const u8 = "transmogfix";
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var g_enabled: bool = true;
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var g_initialized: bool = false;
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var g_is_hook_owner: bool = false;
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var g_mutex: ?*anyopaque = null;
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pub fn isActive() bool {
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return g_is_hook_owner;
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}
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// =============================================================================
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// Hooks
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// =============================================================================
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@@ -409,7 +417,7 @@ fn processTimeouts(now: u32) void {
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found_count += 1;
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const elapsed = now -% g_other_pending[i].timestamp;
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if (elapsed >= OTHER_PLAYER_TIMEOUT_MS) {
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// Re-resolve the GUID to a live object pointer — the cached
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// Re-resolve the GUID to a live object pointer - the cached
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// unit_ptr may be stale if the player despawned since capture.
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const unit = getObjectByGUID(g_other_pending[i].guid);
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con.fmt("[other] TIMEOUT slot={d:2} guid=0x{X:0>16} {d}ms unit=0x{X:0>8}\n", .{ g_other_pending[i].slot, g_other_pending[i].guid, elapsed, unit });
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@@ -458,7 +466,7 @@ fn processTimeouts(now: u32) void {
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if (display_table != 0) {
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const box_model_data = hook.readMem(u32, display_table + DISPLAY_ID_BOX * 4);
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if (box_model_data != 0) {
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// Set cached ModelData to BOX model — forces ShouldUpdateDisplayInfo = true
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// Set cached ModelData to BOX model - forces ShouldUpdateDisplayInfo = true
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const dest: *u32 = @ptrFromInt(unit + UNIT_CACHED_MODELDATA_OFFSET);
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dest.* = box_model_data;
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@@ -502,7 +510,7 @@ fn hookSetBlock(obj: u32, index: u32, value: u32) callconv(tc) u32 {
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_ = cachePlayerState();
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}
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if (val == 0 and g_cached_visible_item[slot] != 0) {
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// CLEAR detected — check if INV_SLOT is already empty (real unequip)
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// CLEAR detected - check if INV_SLOT is already empty (real unequip)
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if (g_cache.valid and g_cache.equipped_guids[slot] == 0) {
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g_cached_visible_item[slot] = 0;
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return callOriginalSetBlock(obj, index, value);
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@@ -518,7 +526,7 @@ fn hookSetBlock(obj: u32, index: u32, value: u32) callconv(tc) u32 {
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return 1; // Block the clear
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} else if (val != 0 and g_local_pending[slot].active) {
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if (val == g_local_pending[slot].original_visible_item) {
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// RESTORE with same value — transmog pattern confirmed
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// RESTORE with same value - transmog pattern confirmed
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if (g_local_pending[slot].has_durability) {
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const dur = g_local_pending[slot].captured_durability;
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@@ -526,7 +534,7 @@ fn hookSetBlock(obj: u32, index: u32, value: u32) callconv(tc) u32 {
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writeItemDurabilityDirect(slot, dur);
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con.fmt("[local] APPLY dur slot={d:2} dur={d}\n", .{ slot, dur });
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} else {
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// Don't block — broken items need visual update
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// Don't block - broken items need visual update
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con.fmt("[local] PASS broken slot={d:2}\n", .{slot});
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g_local_pending[slot].active = false;
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g_local_pending[slot].has_durability = false;
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@@ -543,7 +551,7 @@ fn hookSetBlock(obj: u32, index: u32, value: u32) callconv(tc) u32 {
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con.fmt("[local] BLOCK restore slot={d:2} item=0x{X:0>8} -- coalesced!\n", .{ slot, val });
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return 1; // Block the restore
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} else {
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// Different item value — real gear change
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// Different item value - real gear change
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g_local_pending[slot].active = false;
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g_local_pending[slot].has_durability = false;
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g_local_pending_count -= 1;
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@@ -581,7 +589,7 @@ fn hookSetBlock(obj: u32, index: u32, value: u32) callconv(tc) u32 {
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}
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} else if (idx >= 0 and g_other_pending[@intCast(idx)].active) {
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const ui: u32 = @intCast(idx);
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// Restore — check timeout and same item
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// Restore - check timeout and same item
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const elapsed = now -% g_other_pending[ui].timestamp;
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const current_val = readUnitVisibleItem(obj, slot);
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if (elapsed < OTHER_PLAYER_TIMEOUT_MS and val == current_val) {
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@@ -599,7 +607,7 @@ fn hookSetBlock(obj: u32, index: u32, value: u32) callconv(tc) u32 {
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}
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}
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// DURABILITY writes — capture for pending local player slots
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// DURABILITY writes - capture for pending local player slots
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if (g_enabled and index == ITEM_FIELD_DURABILITY) {
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const slot = findSlotForItemObject(obj);
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if (slot >= 0) {
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@@ -609,12 +617,12 @@ fn hookSetBlock(obj: u32, index: u32, value: u32) callconv(tc) u32 {
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g_local_pending[s].has_durability = true;
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g_local_pending[s].timestamp = GetTickCount();
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con.fmt("[local] CATCH dur slot={d:2} dur={d}\n", .{ s, val });
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return 1; // Block — captured
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return 1; // Block - captured
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}
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}
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}
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// INV_SLOT writes — detect gear changes and update cache
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// INV_SLOT writes - detect gear changes and update cache
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if (index >= PLAYER_FIELD_INV_SLOT_HEAD and
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index < PLAYER_FIELD_INV_SLOT_HEAD + 48)
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{
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@@ -777,24 +785,14 @@ fn hookSceneEnd(device: u32) callconv(tc) void {
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pub fn installHooks() void {
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con.print("[transmogfix] Module loaded\n");
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// Multi-DLL safety: only one instance per process should hook
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var mutex_name_buf: [64]u8 = undefined;
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// muted name scheme not quite the same because this dll exists in the wild and we want to match it
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const mutex_name = std.fmt.bufPrint(&mutex_name_buf, "Local\\TransmogCoalesceHook_{d}", .{GetCurrentProcessId()}) catch return;
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mutex_name_buf[mutex_name.len] = 0;
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g_mutex = CreateMutexA(null, 1, @ptrCast(mutex_name_buf[0..mutex_name.len :0]));
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if (g_mutex == null) return;
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if (GetLastError() == ERROR_ALREADY_EXISTS) {
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_ = CloseHandle(g_mutex.?);
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g_mutex = null;
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g_is_hook_owner = false;
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// Legacy mutex name - this DLL existed in the wild before the naming convention
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const result = mod_mutex.acquireLegacy("TransmogCoalesceHook", module_name);
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g_mutex = result.handle;
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g_is_hook_owner = result.is_owner;
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if (!g_is_hook_owner) {
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g_initialized = true;
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con.print("[transmogfix] Another DLL owns hooks (mutex taken), skipping\n");
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return;
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}
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g_is_hook_owner = true;
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// Initialize state (already zero-initialized by Zig defaults)
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g_local_pending = [1]LocalPending{.{}} ** 19;
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@@ -830,14 +828,7 @@ pub fn removeHooks() void {
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scene_end_hook.detach();
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refresh_hook.detach();
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set_block_hook.detach();
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}
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if (g_is_hook_owner) {
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if (g_mutex) |m| {
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_ = ReleaseMutex(m);
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_ = CloseHandle(m);
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g_mutex = null;
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}
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mod_mutex.release(&g_mutex);
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}
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g_initialized = false;
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