From 4f81c56d8f80402c8d14f6daa3d1925507f6cfe2 Mon Sep 17 00:00:00 2001
From: pelya <x.pelya.x@gmail.com>
Date: Wed, 5 Apr 2017 21:50:24 +0300
Subject: [PATCH] Bad fix for changing video depth resetting all settings to
 zero

---
 src/gfx.cpp          |  1 +
 src/openttd.cpp      | 21 +++++++++++++++++++++
 src/openttd.h        |  1 +
 src/settings_gui.cpp | 14 +++++++-------
 4 files changed, 30 insertions(+), 7 deletions(-)

diff --git a/src/gfx.cpp b/src/gfx.cpp
index 06123fd73e..7623e7f3bb 100644
--- a/src/gfx.cpp
+++ b/src/gfx.cpp
@@ -47,6 +47,7 @@ Point _right_button_down_pos; ///< Pos of right mouse button click, for drag and
 DrawPixelInfo _screen;
 bool _screen_disable_anim = false;   ///< Disable palette animation (important for 32bpp-anim blitter during giant screenshot)
 bool _exit_game;
+bool _restart_game;
 GameMode _game_mode;
 SwitchMode _switch_mode;  ///< The next mainloop command.
 PauseModeByte _pause_mode;
diff --git a/src/openttd.cpp b/src/openttd.cpp
index 3830c6d6c1..5231f4f71a 100644
--- a/src/openttd.cpp
+++ b/src/openttd.cpp
@@ -491,6 +491,20 @@ struct AfterNewGRFScan : NewGRFScanCallback {
 		}
 #endif /* ENABLE_NETWORK */
 
+		// TODO: remove this hack in one year
+		// Check if OpenTTD config is broken by blitter changing code
+		static bool checked = false;
+		DEBUG(misc, 0, "========= Limits for vehicles: %d %d %d %d", _settings_newgame.vehicle.max_trains, _settings_newgame.vehicle.max_roadveh, _settings_newgame.vehicle.max_aircraft, _settings_newgame.vehicle.max_ships);
+		if (!checked &&
+			_settings_newgame.vehicle.max_trains == 0 && _settings_newgame.vehicle.max_roadveh == 0 &&
+			_settings_newgame.vehicle.max_aircraft == 0 && _settings_newgame.vehicle.max_ships == 0) {
+			unlink("libsdl-DownloadFinished-1.flag");
+			//_exit_game = true;
+			//_restart_game = true;
+			abort(); // Kill myself with contempt, user will restart the app, because otherwise we enter infinite restart loop
+		}
+		checked = true;
+
 		/* After the scan we're not used anymore. */
 		delete this;
 	}
@@ -925,6 +939,13 @@ exit_normal:
 	}
 #endif /* ENABLE_NETWORK */
 
+	if (_restart_game) {
+#ifdef __ANDROID__
+		// This makes OpenTTD reset all it's settings for some reason. Just abort and pretend we crashed
+		//SDL_ANDROID_RestartMyself("restart-settings");
+#endif
+	}
+
 	return ret;
 }
 
diff --git a/src/openttd.h b/src/openttd.h
index 5e360d6fcd..0a92475f51 100644
--- a/src/openttd.h
+++ b/src/openttd.h
@@ -52,6 +52,7 @@ enum DisplayOptions {
 extern GameMode _game_mode;
 extern SwitchMode _switch_mode;
 extern bool _exit_game;
+extern bool _restart_game;
 
 /** Modes of pausing we've got */
 enum PauseMode {
diff --git a/src/settings_gui.cpp b/src/settings_gui.cpp
index 0fdad13794..77a06c1c78 100644
--- a/src/settings_gui.cpp
+++ b/src/settings_gui.cpp
@@ -187,7 +187,7 @@ struct GameOptionsWindow : Window {
 	{
 		DeleteWindowById(WC_CUSTOM_CURRENCY, 0);
 		if (this->reload) _switch_mode = SM_MENU;
-		SaveToConfig(); // save all settins immediately on Android, because users tend to kill the app instead of pressing 'Quit' button
+		if (!_exit_game) SaveToConfig(); // Save all settings immediately on Android, because users tend to kill the app instead of pressing 'Quit' button
 	}
 
 	/**
@@ -494,10 +494,10 @@ struct GameOptionsWindow : Window {
 				if (this->IsWidgetLowered(WID_GO_8BPP_BUTTON)) break;
 				free(_ini_blitter);
 				_ini_blitter = stredup("8bpp-optimized");
-				SaveToConfig();
+				_exit_game = true;
+				_restart_game = true;
 				#ifdef __ANDROID__
 				SDL_ANDROID_SetConfigOption(SDL_ANDROID_CONFIG_VIDEO_DEPTH_BPP, 16);
-				SDL_ANDROID_RestartMyself("restart-settings"); // We terminate here, no need to update widget state
 				#endif
 				break;
 
@@ -505,10 +505,10 @@ struct GameOptionsWindow : Window {
 				if (this->IsWidgetLowered(WID_GO_16BPP_BUTTON)) break;
 				free(_ini_blitter);
 				_ini_blitter = stredup("16bpp-simple");
-				SaveToConfig();
+				_exit_game = true;
+				_restart_game = true;
 				#ifdef __ANDROID__
 				SDL_ANDROID_SetConfigOption(SDL_ANDROID_CONFIG_VIDEO_DEPTH_BPP, 16);
-				SDL_ANDROID_RestartMyself("restart-settings"); // We terminate here, no need to update widget state
 				#endif
 				break;
 
@@ -516,10 +516,10 @@ struct GameOptionsWindow : Window {
 				if (this->IsWidgetLowered(WID_GO_32BPP_BUTTON)) break;
 				free(_ini_blitter);
 				_ini_blitter = stredup("32bpp-anim");
-				SaveToConfig();
+				_exit_game = true;
+				_restart_game = true;
 				#ifdef __ANDROID__
 				SDL_ANDROID_SetConfigOption(SDL_ANDROID_CONFIG_VIDEO_DEPTH_BPP, 24);
-				SDL_ANDROID_RestartMyself("restart-settings"); // We terminate here, no need to update widget state
 				#endif
 				break;