Basic content sanity checks and exit w/o crashing on check failure

git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@3572 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/src/uqm.c

@@ -477,8 +477,6 @@ main (int argc, char *argv[])
 		mem_uninit ();
 	}
 	
-	log_showBox (false, false);
-	
 	return EXIT_SUCCESS;
 }
 

sc2/src/uqm/setup.c

@@ -110,7 +110,8 @@ LoadKernel (int argc, char *argv[])
 		return FALSE;
 	
 	/* Load base content. */
-	loadIndices (contentDir);
+	if (loadIndices (contentDir) == 0)
+		return FALSE; // Must have at least one index in content dir
 
 	/* Load addons demanded by the current configuration. */
 	if (opt3doMusic)
@@ -139,6 +140,8 @@ LoadKernel (int argc, char *argv[])
 		COLORMAP ColorMapTab;
 
 		ColorMapTab = CaptureColorMap (LoadColorMap (STARCON_COLOR_MAP));
+		if (ColorMapTab == NULL)
+			return FALSE; // The most basic resource is missing
 		SetColorMap (GetColorMapAddress (ColorMapTab));
 		DestroyColorMap (ReleaseColorMap (ColorMapTab));
 	}

sc2/src/uqm/starcon.c

@@ -177,10 +177,13 @@ while (--ac > 0)
 	if (!LoadKernel (0,0))
 	{
 		log_add (log_Fatal, "\n  *** FATAL ERROR: Could not load basic content ***\n\nUQM requires at least the base content pack to run properly.");
-		log_add (log_Fatal, "This file is typically called uqm-%d.%d.0.uqm.  UQM was expecting it", UQM_MAJOR_VERSION, UQM_MINOR_VERSION);
+		log_add (log_Fatal, "This file is typically called uqm-%d.%d.0-content.uqm.  UQM was expecting", UQM_MAJOR_VERSION, UQM_MINOR_VERSION);
-		log_add (log_Fatal, "in the %s/packages directory.", baseContentPath);
+		log_add (log_Fatal, "it in the %s/packages directory.", baseContentPath);
 		log_add (log_Fatal, "Either your installation did not install the content pack at all, or it\ninstalled it in a different directory.\n\nFix your installation and rerun UQM.\n\n  *******************\n");
-		exit (EXIT_FAILURE);
+		log_showBox (true, true);
+
+		MainExited = TRUE;
+		return EXIT_FAILURE;
 	}
 	log_add (log_Info, "We've loaded the Kernel");
 
@@ -300,6 +303,7 @@ while (--ac > 0)
 	FreeMasterShipList ();
 	FreeKernel ();
 
+	log_showBox (false, false);
 	MainExited = TRUE;
 
 	(void) threadArg;  /* Satisfying compiler (unused parameter) */