filesystem: add support for two new liblist.gam keys: animated_title and hd_background

Documentation/gameinfo.md

@@ -70,9 +70,11 @@ These strings are specific to Xash3D FWGS.
 
 | Key                     | Type       | Default value            | Description |
 | ----------------------- | ---------- | ------------------------ | ----------- |
+| `animated_title`        | boolean    | 0                        | Use animated title in main menu (WON Half-Life logo.avi imitation from Half-Life 25-th anniversary update)
 | `autosave_aged_count`   | integer    | 2                        | Auto saves limit used in saves rotation |
 | `gamedll_linux`         | string     | Generated from `gamedll` | Game server DLL for 32-bit x86 Linux (see LibraryNaming.md for details) |
 | `gamedll_osx`           | string     | Generated from `gamedll` | Game server DLL for 32-bit x86 macOS (see LibraryNaming.md for details) |
+| `hd_background`         | boolean    | 0                        | Use HD background for main menu (Half-Life 25-th anniversary update) |
 | `internal_vgui_support` | boolean    | 0                        | Only for programmers! Required to be set as 1 for PrimeXT!<br>When set to 1, the engine will not load vgui_support DLL, as VGUI support is done (or intentionally ignored) on the game side. |
 | `render_picbutton_text` | boolean    | 0                        | When set to 1, the UI will not use prerendered `btns_main.bmp` and dynamically render them instead |
 | `quicksave_aged_count`  | integer    | 2                        | Quick saves limit used in saves rotation |
@@ -88,6 +90,7 @@ The table below defines conversion rules from liblist.gam to gameinfo.txt. Some
 
 | `liblist.gam` key | `gameinfo.txt` key | Note |
 | ----------------- | ------------------ | ---- |
+| `animated_title`  | `animated_title`   |      |
 | `edicts`          | `max_edicts`       |      |
 | `fallback_dir`    | `fallback_dir`     |      |
 | `game`            | `title`            |      |
@@ -95,6 +98,7 @@ The table below defines conversion rules from liblist.gam to gameinfo.txt. Some
 | `gamedll`         | `gamedll`          |      |
 | `gamedll_linux`   | `gamedll_linux`    |      |
 | `gamedll_osx`     | `gamedll_osx`      |      |
+| `hd_background`   | `hd_background`    |      |
 | `icon`            | `icon`             |      |
 | `mpentity`        | `mp_entity`        |      |
 | `mpfilter`        | `mp_filter`        |      |

filesystem/filesystem.c

@@ -613,6 +613,13 @@ static void FS_WriteGameInfo( const char *filepath, gameinfo_t *GameInfo )
 		FS_Printf( f, "autosave_aged_count\t\t%d\n", GameInfo->autosave_aged_count );
 #undef SAVE_AGED_COUNT
 
+	// HL25 compatibility
+	if( GameInfo->animated_title )
+		FS_Printf( f, "animated_title\t\t%i\n", GameInfo->animated_title );
+
+	if( GameInfo->hd_background )
+		FS_Printf( f, "hd_background\t\t%i\n", GameInfo->hd_background );
+
 	// always expose our extensions :)
 	FS_Printf( f, "internal_vgui_support\t\t%s\n", GameInfo->internal_vgui_support ? "1" : "0" );
 	FS_Printf( f, "render_picbutton_text\t\t%s\n", GameInfo->render_picbutton_text ? "1" : "0" );
@@ -790,6 +797,17 @@ void FS_ParseGenericGameInfo( gameinfo_t *GameInfo, const char *buf, const qbool
 			pfile = COM_ParseFile( pfile, token, sizeof( token ));
 			GameInfo->max_edicts = bound( MIN_EDICTS, Q_atoi( token ), MAX_EDICTS );
 		}
+		// valid for both
+		else if( !Q_stricmp( token, "hd_background" ))
+		{
+			pfile = COM_ParseFile( pfile, token, sizeof( token ));
+			GameInfo->hd_background = Q_atoi( token ) ? true : false;
+		}
+		else if( !Q_stricmp( token, "animated_title" ))
+		{
+			pfile = COM_ParseFile( pfile, token, sizeof( token ));
+			GameInfo->animated_title = Q_atoi( token ) ? true : false;
+		}
 		// only for gameinfo
 		else if( isGameInfo )
 		{

filesystem/filesystem.h

@@ -106,6 +106,10 @@ typedef struct gameinfo_s
 
 	int		quicksave_aged_count; // min is 1, max is 99
 	int		autosave_aged_count; // min is 1, max is 99
+
+	// HL25 compatibility keys
+	qboolean hd_background;
+	qboolean animated_title;
 } gameinfo_t;
 
 typedef enum