improve console output (#476)

* add color coded logging level to console output (for warn/err/crit levels)
* clean up console output

2 files changed, 23 insertions, 1 deletions

diff --git a/src/zencore/include/zencore/logging.h b/src/zencore/include/zencore/logging.h
index bffbe84b4..afbbbd3ee 100644
--- a/src/zencore/include/zencore/logging.h
+++ b/src/zencore/include/zencore/logging.h
@@ -59,7 +59,6 @@ struct LogCategory
 	zen::LoggerRef LoggerRef;
 };
 
-void EmitConsoleLogMessage(int LogLevel, std::string_view Message);
 void EmitConsoleLogMessage(int LogLevel, std::string_view Format, fmt::format_args Args);
 void EmitLogMessage(LoggerRef& Logger, int LogLevel, std::string_view Message);
 void EmitLogMessage(LoggerRef& Logger, const SourceLocation& Location, int LogLevel, std::string_view Message);
diff --git a/src/zencore/logging.cpp b/src/zencore/logging.cpp
index 5885587ad..685c79d82 100644
--- a/src/zencore/logging.cpp
+++ b/src/zencore/logging.cpp
@@ -122,11 +122,34 @@ EmitConsoleLogMessage(int LogLevel, const std::string_view Message)
 	ConsoleLog().SpdLogger->log(InLevel, Message);
 }
 
+#define ZEN_COLOR_YELLOW	 "\033[0;33m"
+#define ZEN_COLOR_RED		 "\033[0;31m"
+#define ZEN_BRIGHT_COLOR_RED "\033[1;31m"
+#define ZEN_COLOR_RESET		 "\033[0m"
+
 void
 EmitConsoleLogMessage(int LogLevel, std::string_view Format, fmt::format_args Args)
 {
 	ZEN_MEMSCOPE(ELLMTag::Logging);
 	zen::logging::LoggingContext LogCtx;
+
+	// We are not using a format option for console which include log level since it would interfere with normal console output
+
+	const spdlog::level::level_enum InLevel = (spdlog::level::level_enum)LogLevel;
+	switch (InLevel)
+	{
+		case spdlog::level::level_enum::warn:
+			fmt::format_to(fmt::appender(LogCtx.MessageBuffer), ZEN_COLOR_YELLOW "Warning: " ZEN_COLOR_RESET);
+			break;
+		case spdlog::level::level_enum::err:
+			fmt::format_to(fmt::appender(LogCtx.MessageBuffer), ZEN_BRIGHT_COLOR_RED "Error: " ZEN_COLOR_RESET);
+			break;
+		case spdlog::level::level_enum::critical:
+			fmt::format_to(fmt::appender(LogCtx.MessageBuffer), ZEN_COLOR_RED "Critical: " ZEN_COLOR_RESET);
+			break;
+		default:
+			break;
+	}
 	fmt::vformat_to(fmt::appender(LogCtx.MessageBuffer), Format, Args);
 	zen::logging::EmitConsoleLogMessage(LogLevel, LogCtx.Message());
 }