Minor fixes to loading packed games.

assets/Menu.singe

@@ -423,7 +423,7 @@ local function loadGamesDat(source, container)
 			-- Packed game:  the engine opens its files through the database, and so does the menu.
 			value.CONTAINER = container
 			for _, key in ipairs({ "CABINET", "MARQUEE", "ATTRACT" }) do
-				if value[key] then
+				if value[key] and value[key]:sub(1, 6):lower() ~= "singe/" then
 					value[key] = container .. "/" .. value[key]
 				end
 			end

src/main.c

@@ -66,6 +66,7 @@
 #define MIXER_CHANNELS       2
 #define MIXER_CHUNK_SAMPLES  "1024"   // Device buffer, kept small so the audio queue and any error in measuring it stay small
 #define USAGE_OPTION_WIDTH   27
+#define USAGE_LINE_WIDTH     79      // Help text wraps so no line is wider than this
 #define CRASH_FRAMES_MAX     64
 
 
@@ -127,12 +128,12 @@ static const OptionT _options[] = {
 	{ 'm', "nomouse",           ap_no,  NULL,       "disable mouse",                                     false },
 	{ 'n', "nocrosshair",       ap_no,  NULL,       "request game not display gun crosshairs",           false },
 	{ 'o', "audio",             ap_yes, "TRACK",    "select default track for audio output",             false },
-	{ 'P', "pack",              ap_yes, "DIRECTORY", "pack a game DIRECTORY into the .game (or changed files into the .patch) named after the options", false },
+	{ 'P', "pack",              ap_yes, "DIRECTORY", "pack the game in DIRECTORY into the .game named after the options, or changed files into a .patch", false },
 	{ 'p', "program",           ap_no,  NULL,       "trace Singe execution to screen and file",          false },
 	{ 's', "nosound",           ap_no,  NULL,       "mutes all sound",                                   false },
-	{ 'T', "patch",             ap_yes, "DATABASE", "patch a game DATABASE from the directory or .patch named after the options", false },
+	{ 'T', "patch",             ap_yes, "DATABASE", "patch the game DATABASE from the directory or .patch named after the options", false },
 	{ 't', "trace",             ap_no,  NULL,       "trace script execution to screen and file",         false },
-	{ 'U', "unpack",            ap_yes, "DATABASE", "unpack a game or patch DATABASE into the directory named after the options", false },
+	{ 'U', "unpack",            ap_yes, "DATABASE", "unpack the game or patch DATABASE into the directory named after the options", false },
 	{ 'u', "stretch",           ap_no,  NULL,       "use ugly stretched video",                          false },
 	{ 'v', "framefile",         ap_yes, "FILENAME", "use an alternate video file",                       false },
 	{ 'w', "fullscreen_window", ap_no,  NULL,       "run in windowed full screen mode",                  false },
@@ -898,8 +899,13 @@ static bool _runTool(const ConfigT *conf) {
 
 
 static void _showUsage(const char *name, const char *message) {
-	int32_t  x        = 0;
+	const int32_t  helpColumn = 6 + USAGE_OPTION_WIDTH;   // "  -x, " plus the padded long form
-	char    *longForm = NULL;
+	const int32_t  helpWidth  = USAGE_LINE_WIDTH - helpColumn;
+	const char    *help       = NULL;
+	const char    *end        = NULL;
+	const char    *space      = NULL;
+	int32_t        x          = 0;
+	char          *longForm   = NULL;
 
 	_showHeader();
 
@@ -914,7 +920,28 @@ static void _showUsage(const char *name, const char *message) {
 		} else {
 			longForm = utilCreateString("--%s", _options[x].name);
 		}
-		utilSay("  -%c, %-*s%s", _options[x].code, USAGE_OPTION_WIDTH, longForm, _options[x].help);
+		// Wrap the help at word boundaries; continuation lines start in the help column.
+		help = _options[x].help;
+		while (help != NULL) {
+			end = help + strlen(help);
+			if ((end - help) > helpWidth) {
+				end = help + helpWidth;
+				for (space = end; (space > help) && (*space != ' '); space--) {
+				}
+				if (space > help) {
+					end = space;
+				}
+			}
+			if (help == _options[x].help) {
+				utilSay("  -%c, %-*s%.*s", _options[x].code, USAGE_OPTION_WIDTH, longForm, (int)(end - help), help);
+			} else {
+				utilSay("%*s%.*s", helpColumn, "", (int)(end - help), help);
+			}
+			while (*end == ' ') {
+				end++;
+			}
+			help = (*end != 0) ? end : NULL;
+		}
 		free(longForm);
 	}
 	utilNewline();

src/vfs.c

@@ -390,6 +390,13 @@ static bool _resolve(const char *name, TargetT *target) {
 		inner      = norm;
 	}
 
+	// The engine's own files are never inside a game, however the name reached us.
+	if ((target->db != NULL) && _isEngineName(inner)) {
+		target->db   = NULL;
+		target->path = strdup(inner);
+		free(norm);
+		return true;
+	}
 	if (target->db == NULL) {
 		target->path = strdup(name);
 		free(norm);