From 9b70f18c8c5ec7f5305fd1522638d598a3a9c31f Mon Sep 17 00:00:00 2001
From: Inori <strix@struma.me>
Date: Sat, 31 Aug 2019 14:41:21 -0400
Subject: [PATCH] Implement MKXP.user_language, return more LANGIDs

---
 binding/binding-mri.cpp | 10 ++++++++++
 src/fake-api.cpp        | 34 +++++++++++++++++++++++++++++++---
 src/meson.build         |  7 +++++--
 3 files changed, 46 insertions(+), 5 deletions(-)

diff --git a/binding/binding-mri.cpp b/binding/binding-mri.cpp
index cbffdf9b..692aa6f0 100644
--- a/binding/binding-mri.cpp
+++ b/binding/binding-mri.cpp
@@ -29,6 +29,7 @@
 #include "debugwriter.h"
 #include "graphics.h"
 #include "audio.h"
+#include "lang-fun.h"
 #include "boost-hash.h"
 
 #include <ruby.h>
@@ -95,6 +96,7 @@ RB_METHOD(mkxpPuts);
 RB_METHOD(mkxpRawKeyStates);
 RB_METHOD(mkxpMouseInWindow);
 RB_METHOD(mkxpPlatform);
+RB_METHOD(mkxpUserLanguage);
 
 RB_METHOD(mriRgssMain);
 RB_METHOD(mriRgssStop);
@@ -165,6 +167,7 @@ static void mriBindingInit()
 	_rb_define_module_function(mod, "raw_key_states", mkxpRawKeyStates);
 	_rb_define_module_function(mod, "mouse_in_window", mkxpMouseInWindow);
     _rb_define_module_function(mod, "platform", mkxpPlatform);
+    _rb_define_module_function(mod, "user_language", mkxpUserLanguage);
 
 	/* Load global constants */
 	rb_gv_set("MKXP", Qtrue);
@@ -270,6 +273,13 @@ RB_METHOD(mkxpPlatform)
     return rb_str_new_cstr(SDL_GetPlatform());
 }
 
+RB_METHOD(mkxpUserLanguage)
+{
+    RB_UNUSED_PARAM;
+    
+    return rb_str_new_cstr(getUserLanguage());
+}
+
 static VALUE rgssMainCb(VALUE block)
 {
 	rb_funcall2(block, rb_intern("call"), 0, 0);
diff --git a/src/fake-api.cpp b/src/fake-api.cpp
index e33b8149..571744c7 100644
--- a/src/fake-api.cpp
+++ b/src/fake-api.cpp
@@ -13,6 +13,7 @@
 #include "eventthread.h"
 #include "filesystem.h"
 #include "input.h"
+#include "lang-fun.h"
 #include "fake-api.h"
 
 
@@ -594,11 +595,38 @@ MKXP_GetPrivateProfileString(LPCTSTR lpAppName,
 }
 
 
-// Only supports English, other languages are too
-// much work to keep in hacky code like this
+// Does not handle sublanguages, only returns a few
+// common languages
+
+// Use MKXP.user_language instead
 
 PREFABI short // I know it's a LANGID but I don't care
 MKXP_GetUserDefaultLangID(void)
-NOP_VAL(0xC09);
+{
+    char buf[50];
+    strncpy(buf, getUserLanguage(), sizeof(buf));
+    
+    for (int i = 0; i < strlen(buf); i++)
+    {
+        if (buf[i] == '_')
+        {
+            buf[i] = 0;
+            break;
+        }
+    }
+    
+#define MATCH(l, c) if (!strcmp(l, buf)) return (c & 0x3ff);
+    MATCH("ja", 0x11);
+    MATCH("en", 0x09);
+    MATCH("fr", 0x0c);
+    MATCH("it", 0x10);
+    MATCH("de", 0x07);
+    MATCH("es", 0x0a);
+    MATCH("ko", 0x12);
+    MATCH("pt", 0x16);
+    MATCH("zh", 0x04);
+#undef MATCH
+    return 0x09;
+}
 
 #endif
diff --git a/src/meson.build b/src/meson.build
index dca8cda0..a9c6e2cf 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -15,6 +15,7 @@ zlib = dependency('zlib')
 main_dependencies = [sigcxx, openal, opengl, boost, zlib, pixman, physfs, vorbisfile, sdl2, sdl2_ttf, sdl2_image, sdl_sound]
 if host_system == 'darwin'
     main_dependencies += compiler.find_library('iconv')
+    main_dependencies += dependency('CoreFoundation')
 
     if openal.type_name() != 'pkgconfig'
     add_project_arguments('-DUSE_MAC_OPENAL', language: 'cpp')
@@ -96,7 +97,8 @@ main_headers = files(
     'tileatlasvx.h',
     'sharedmidistate.h',
     'fluid-fun.h',
-    'sdl-util.h'
+    'sdl-util.h',
+    'lang-fun.h'
 )
 
 main_source = files(
@@ -142,7 +144,8 @@ main_source = files(
     'tileatlasvx.cpp',
     'autotilesvx.cpp',
     'midisource.cpp',
-    'fluid-fun.cpp'
+    'fluid-fun.cpp',
+    'lang-fun.cpp'
 )
 
 main = [main_source, main_headers]