From 05592d524b66ac14a52e9b083f77e42007733937 Mon Sep 17 00:00:00 2001
From: MysterD <myster@d>
Date: Sun, 14 May 2023 18:33:14 -0700
Subject: [PATCH] Add wide character support to language file handling

---
 Makefile                          |  2 +-
 src/pc/djui/djui_panel_language.c | 14 ++++++++------
 src/pc/os/os.h                    |  6 ++++++
 src/pc/os/os_other.h              | 10 ++++++++++
 src/pc/os/os_win.c                | 20 ++++++++++++++++++++
 src/pc/os/os_win.h                | 13 +++++++++++++
 6 files changed, 58 insertions(+), 7 deletions(-)
 create mode 100644 src/pc/os/os.h
 create mode 100644 src/pc/os/os_other.h
 create mode 100644 src/pc/os/os_win.c
 create mode 100644 src/pc/os/os_win.h

diff --git a/Makefile b/Makefile
index f686467f..09352e6a 100644
--- a/Makefile
+++ b/Makefile
@@ -534,7 +534,7 @@ SRC_DIRS := src src/engine src/game src/audio src/bass_audio src/menu src/buffer
 BIN_DIRS := bin bin/$(VERSION)
 
 # PC files
-SRC_DIRS += src/pc src/pc/gfx src/pc/audio src/pc/controller src/pc/fs src/pc/fs/packtypes src/pc/mods src/dev src/pc/network src/pc/network/packets src/pc/network/socket src/pc/network/coopnet src/pc/utils src/pc/utils/miniz src/pc/djui src/pc/lua src/pc/lua/utils
+SRC_DIRS += src/pc src/pc/gfx src/pc/audio src/pc/controller src/pc/fs src/pc/fs/packtypes src/pc/mods src/dev src/pc/network src/pc/network/packets src/pc/network/socket src/pc/network/coopnet src/pc/utils src/pc/utils/miniz src/pc/djui src/pc/lua src/pc/lua/utils src/pc/os
 
 ifeq ($(DISCORD_SDK),1)
   SRC_DIRS += src/pc/discord
diff --git a/src/pc/djui/djui_panel_language.c b/src/pc/djui/djui_panel_language.c
index 4e66bcae..52f8c8c9 100644
--- a/src/pc/djui/djui_panel_language.c
+++ b/src/pc/djui/djui_panel_language.c
@@ -8,6 +8,7 @@
 #include "pc/debuglog.h"
 #include "pc/utils/misc.h"
 #include "pc/configfile.h"
+#include "pc/os/os.h"
 
 extern bool directory_sanity_check(struct dirent* dir, char* dirPath, char* outPath);
 static bool sTrue = true;
@@ -83,8 +84,9 @@ void djui_panel_language_create(struct DjuiBase* caller) {
         snprintf(lpath, SYS_MAX_PATH, "%s/lang", sys_exe_path());
 
         // open directory
-        struct dirent* dir = NULL;
-        DIR* d = opendir(lpath);
+        os_dirent* dir = NULL;
+
+        OS_DIR* d = os_opendir(lpath);
         if (!d) {
             LOG_ERROR("Could not open directory '%s'", lpath);
 
@@ -106,10 +108,10 @@ void djui_panel_language_create(struct DjuiBase* caller) {
 
         // iterate
         char path[SYS_MAX_PATH] = { 0 };
-        while ((dir = readdir(d)) != NULL) {
+        while ((dir = os_readdir(d)) != NULL) {
             // sanity check / fill path[]
-            if (!directory_sanity_check(dir, lpath, path)) { continue; }
-            snprintf(path, SYS_MAX_PATH, "%s", dir->d_name);
+            //if (!directory_sanity_check(dir, lpath, path)) { continue; }
+            snprintf(path, SYS_MAX_PATH, "%s", os_get_dir_name(dir));
 
             // strip the name before the .
             char* c = path;
@@ -125,7 +127,7 @@ void djui_panel_language_create(struct DjuiBase* caller) {
             if (!strcmp(path, "English")) { chkEnglish = checkbox; }
         }
 
-        closedir(d);
+        os_closedir(d);
 
         if (!foundMatch && chkEnglish) {
             chkEnglish->value = &sTrue;
diff --git a/src/pc/os/os.h b/src/pc/os/os.h
new file mode 100644
index 00000000..9d6a2792
--- /dev/null
+++ b/src/pc/os/os.h
@@ -0,0 +1,6 @@
+#pragma once
+#if defined(_WIN32) || defined(WIN32) || defined(_WIN64) || defined(WIN64)
+#include "os_win.h"
+#else
+#include "os_other.h"
+#endif
\ No newline at end of file
diff --git a/src/pc/os/os_other.h b/src/pc/os/os_other.h
new file mode 100644
index 00000000..e1cf232b
--- /dev/null
+++ b/src/pc/os/os_other.h
@@ -0,0 +1,10 @@
+#pragma once
+
+#include <dirent.h>
+
+#define os_dirent struct dirent
+#define OS_DIR DIR
+#define os_opendir(_x) opendir(_x)
+#define os_readdir(_x) readdir(_x)
+#define os_closedir(_x) closedir(_x)
+#define os_get_dir_name(_x) _x->d_name
diff --git a/src/pc/os/os_win.c b/src/pc/os/os_win.c
new file mode 100644
index 00000000..cd755630
--- /dev/null
+++ b/src/pc/os/os_win.c
@@ -0,0 +1,20 @@
+#if defined(_WIN32) || defined(WIN32) || defined(_WIN64) || defined(WIN64)
+
+#include <stdio.h>
+#include <stringapiset.h>
+#include "os_win.h"
+#include "pc/platform.h"
+
+OS_DIR* os_opendir(char* path) {
+    wchar_t wpath[SYS_MAX_PATH] = { 0 };
+    MultiByteToWideChar(CP_UTF8, 0, path, -1, wpath, SYS_MAX_PATH);
+    return _wopendir(wpath);
+}
+
+char* os_get_dir_name(os_dirent* dir) {
+    static char path[SYS_MAX_PATH] = { 0 };
+    snprintf(path, SYS_MAX_PATH, "%ls", dir->d_name);
+    return path;
+}
+
+#endif
\ No newline at end of file
diff --git a/src/pc/os/os_win.h b/src/pc/os/os_win.h
new file mode 100644
index 00000000..c3254b82
--- /dev/null
+++ b/src/pc/os/os_win.h
@@ -0,0 +1,13 @@
+#pragma once
+
+#include <wchar.h>
+#include <dirent.h>
+
+#define os_dirent struct _wdirent
+#define OS_DIR _WDIR
+
+#define os_closedir(_x) _wclosedir(_x)
+#define os_readdir(_x) _wreaddir(_x)
+
+OS_DIR* os_opendir(char* path);
+char* os_get_dir_name(os_dirent* dir);