Added custom gamedata file parsing (bug 3644, r=dvander)

core/GameConfigs.cpp

@@ -747,6 +747,44 @@ bool CGameConfig::Reparse(char *error, size_t maxlength)
 		}
 	}
 
+	/* Parse the contents of the 'custom' directory */
+	g_SourceMod.BuildPath(Path_SM, path, sizeof(path), "gamedata/%s/custom");
+	IDirectory *customDir = g_LibSys.OpenDirectory(path);
+
+	if (!customDir)
+	{
+		return true;
+	}
+
+	while (customDir->MoreFiles())
+	{
+		if (!customDir->IsEntryFile())
+		{
+			customDir->NextEntry();
+			continue;
+		}
+		
+		const char *curFile = customDir->GetEntryName();
+
+		/* Only allow .txt files */
+		int len = strlen(curFile);
+		if (len > 4 && strcmp(curFile[len-4], ".txt") != 0)
+		{
+			customDir->NextEntry();
+			continue;	
+		}
+
+		UTIL_Format(path, sizeof(path), "%s/custom/%s", m_File, curFile);
+		if (!EnterFile(path, error, maxlength))
+		{
+			g_LibSys->CloseDirectory(customDir);
+			return false;
+		}
+
+		customDir->NextEntry();
+	}
+
+	g_LibSys->CloseDirectory(customDir);
 	return true;
 }