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Add assetfix, transmogfix, minimapicons modules; fix assetfix disk-vs-MPQ priority

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Assetfix: hook CheckFileExistence to serve loose Data\ files. The original
flags|1 approach failed because game paths contain backslashes, causing
CheckFileExistence to skip BuildFilePath and check the raw path (no Data\
prefix). Fix: write the correct Data\-prefixed disk path to the output buffer
directly and return 1, bypassing the original function for hash map hits.
This preserves hook chaining (filename argument is never transformed).

Also adds transmogfix (transmog update coalescing), minimapicons (stub),
new build options for all three modules, mutex-based multi-DLL safety,
embed .skin data into .m2 models, and various module improvements.
This commit is contained in:
MarcelineVQ
2026-02-28 14:07:53 -08:00
parent 6a290439c6
commit 2cca8f4b53
36 changed files with 11335 additions and 34 deletions
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src/interact/interact.zig
+41 -2
View File
@@ -1,8 +1,15 @@
const std = @import("std");
const hook = @import("hook");
const con = @import("../console.zig");
const WINAPI = @import("std").builtin.CallingConvention.winapi;
const WINAPI = std.builtin.CallingConvention.winapi;
extern "kernel32" fn GetTickCount() callconv(WINAPI) u32;
extern "kernel32" fn CreateMutexA(lpMutexAttributes: ?*anyopaque, bInitialOwner: i32, lpName: [*:0]const u8) callconv(WINAPI) ?*anyopaque;
extern "kernel32" fn ReleaseMutex(hMutex: *anyopaque) callconv(WINAPI) i32;
extern "kernel32" fn CloseHandle(hObject: *anyopaque) callconv(WINAPI) i32;
extern "kernel32" fn GetLastError() callconv(WINAPI) u32;
extern "kernel32" fn GetCurrentProcessId() callconv(WINAPI) u32;
const ERROR_ALREADY_EXISTS: u32 = 183;
// =============================================================================
// Offsets
@@ -267,6 +274,9 @@ pub fn interactNearest(L: *anyopaque) callconv(.c) u32 {
const MAX_LOOT_QUEUE: usize = 100;
var g_mutex: ?*anyopaque = null;
var g_is_hook_owner: bool = false;
var loot_queue: [MAX_LOOT_QUEUE]u64 = .{0} ** MAX_LOOT_QUEUE;
var loot_queue_count: usize = 0;
var loot_queue_index: usize = 0;
@@ -402,6 +412,24 @@ fn callOriginalSceneEnd(device: u32) void {
pub fn installHooks() void {
con.print("[interact] Module loaded\n");
// Multi-DLL safety: only one instance per process should hook
var mutex_name_buf: [64]u8 = undefined;
const mutex_name = std.fmt.bufPrint(&mutex_name_buf, "Local\\InteractHook_{d}", .{GetCurrentProcessId()}) catch return;
mutex_name_buf[mutex_name.len] = 0;
g_mutex = CreateMutexA(null, 1, @ptrCast(mutex_name_buf[0..mutex_name.len :0]));
if (g_mutex == null) return;
if (GetLastError() == ERROR_ALREADY_EXISTS) {
_ = CloseHandle(g_mutex.?);
g_mutex = null;
g_is_hook_owner = false;
con.print("[interact] Another DLL owns hooks (mutex taken), skipping\n");
return;
}
g_is_hook_owner = true;
// SceneEnd — per-frame loot queue processing
// Uses thunk: __fastcall(ECX=device, EDX) → cdecl(device, edx)
if (scene_end_hook.prepare(Offsets.ADDR_SceneEnd, 9, &.{})) {
@@ -412,5 +440,16 @@ pub fn installHooks() void {
}
pub fn removeHooks() void {
scene_end_hook.remove();
if (g_is_hook_owner) {
scene_end_hook.remove();
}
if (g_is_hook_owner) {
if (g_mutex) |m| {
_ = ReleaseMutex(m);
_ = CloseHandle(m);
g_mutex = null;
}
}
g_is_hook_owner = false;
}