iOS port (for desktop_version) (#1137)

desktop_version/src/ButtonGlyphs.cpp

@@ -178,7 +178,7 @@ bool BUTTONGLYPHS_keyboard_is_available(void)
         return true;
     }
 
-#ifdef __ANDROID__
+#if defined(__ANDROID__) || defined(TARGET_OS_IPHONE)
     return false;
 #else
     return !SDL_GetHintBoolean("SteamDeck", SDL_FALSE);

desktop_version/src/FileSystemUtils.cpp

@@ -1331,6 +1331,19 @@ static int PLATFORM_getOSDirectory(char* output, const size_t output_size)
     }
     SDL_snprintf(output, output_size, "%s/", externalStoragePath);
     return 1;
+#elif defined(TARGET_OS_IPHONE)
+    // (ab)use SDL APIs to get the path to the Documents folder without needing Objective-C
+    const char* prefsPath = SDL_GetPrefPath("", "");
+    if (prefsPath == NULL)
+    {
+        vlog_error(
+            "Could not get OS directory: %s",
+            SDL_GetError()
+        );
+        return 0;
+    }
+    SDL_snprintf(output, output_size, "%s/../../Documents/", prefsPath);
+    return 1;
 #else
     const char* prefDir = PHYSFS_getPrefDir("distractionware", "VVVVVV");
     if (prefDir == NULL)

desktop_version/src/Game.cpp

@@ -377,7 +377,7 @@ void Game::init(void)
     screenshot_border_timer = 0;
     screenshot_saved_success = false;
 
-#ifdef __ANDROID__
+#if defined(__ANDROID__) || defined(TARGET_OS_IPHONE)
     checkpoint_saving = true;
 #else
     checkpoint_saving = false;

desktop_version/src/SDL_uikit_main.c

@@ -0,0 +1,23 @@
+/*
+    SDL_uikit_main.c, placed in the public domain by Sam Lantinga  3/18/2019
+*/
+
+/* Include the SDL main definition header */
+#include "SDL_main.h"
+
+#if defined(__IPHONEOS__) || defined(__TVOS__)
+
+#ifndef SDL_MAIN_HANDLED
+#ifdef main
+#undef main
+#endif
+
+int main(int argc, char *argv[])
+{
+    return SDL_UIKitRunApp(argc, argv, SDL_main);
+}
+#endif /* !SDL_MAIN_HANDLED */
+
+#endif /* __IPHONEOS__ || __TVOS__ */
+
+/* vi: set ts=4 sw=4 expandtab: */

desktop_version/src/Screen.cpp

@@ -383,7 +383,7 @@ bool Screen::isForcedFullscreen(void)
      * If you're working on a tenfoot-only build, add a def that always
      * returns true!
      */
-#ifdef __ANDROID__
+#if defined(__ANDROID__) || defined(TARGET_OS_IPHONE)
     return true;
 #else
     return SDL_GetHintBoolean("SteamTenfoot", SDL_FALSE);

desktop_version/src/Vlogging.c

@@ -3,8 +3,9 @@
 #include <stdarg.h>
 #include <stdio.h>
 
-#ifdef __ANDROID__
+#if defined(__ANDROID__) || defined(TARGET_OS_IPHONE)
 // forward to SDL logging on Android, since stdout/stderr are /dev/null
+// they exist on iOS, but just get forwarded to the system log anyway, so might as well provide proper metadata
 #define VLOG_USE_SDL 1
 #endif
 

desktop_version/src/main.cpp

@@ -604,6 +604,8 @@ int main(int argc, char *argv[])
     /* We already do the button swapping in ButtonGlyphs, disable SDL's swapping */
     SDL_SetHintWithPriority(SDL_HINT_GAMECONTROLLER_USE_BUTTON_LABELS, "0", SDL_HINT_OVERRIDE);
 
+    SDL_SetHintWithPriority(SDL_HINT_ORIENTATIONS, "LandscapeLeft LandscapeRight", SDL_HINT_OVERRIDE);
+
     if(!FILESYSTEM_init(argv[0], baseDir, assetsPath, langDir, fontsDir))
     {
         vlog_error("Unable to initialize filesystem!");