From 2eb9e23ecc28cb8eca16380602d774ce63b68cf3 Mon Sep 17 00:00:00 2001
From: Misa <infoteddy@infoteddy.info>
Date: Wed, 1 Sep 2021 13:41:06 -0700
Subject: [PATCH] Allow disabling output/fine-tuning output

-nooutput disables output completely (both STDOUT and STDERR). -noinfo
disables INFO lines.  -nowarn disables WARN lines. -noerror disables
ERROR lines.
---
 desktop_version/src/Vlogging.c | 39 ++++++++++++++++++++++++++++++++++
 desktop_version/src/Vlogging.h |  8 +++++++
 desktop_version/src/main.cpp   | 16 ++++++++++++++
 3 files changed, 63 insertions(+)

diff --git a/desktop_version/src/Vlogging.c b/desktop_version/src/Vlogging.c
index e50f5696..c1da95f3 100644
--- a/desktop_version/src/Vlogging.c
+++ b/desktop_version/src/Vlogging.c
@@ -23,7 +23,11 @@
 #define Color_BOLD_YELLOW COLOR("\x1b[1;33m")
 #define Color_BOLD_RED COLOR("\x1b[1;31m")
 
+static int output_enabled = 1;
 static int color_enabled = 0;
+static int info_enabled = 1;
+static int warn_enabled = 1;
+static int error_enabled = 1;
 
 void vlog_init(void)
 {
@@ -47,16 +51,41 @@ void vlog_init(void)
     }
 }
 
+void vlog_toggle_output(const int enable_output)
+{
+    output_enabled = enable_output;
+}
+
 void vlog_toggle_color(const int enable_color)
 {
     color_enabled = enable_color;
 }
 
+void vlog_toggle_info(const int enable_info)
+{
+    info_enabled = enable_info;
+}
+
+void vlog_toggle_warn(const int enable_warn)
+{
+    warn_enabled = enable_warn;
+}
+
+void vlog_toggle_error(const int enable_error)
+{
+    error_enabled = enable_error;
+}
+
 int vlog_info(const char* text, ...)
 {
     va_list list;
     int retval;
 
+    if (!output_enabled || !info_enabled)
+    {
+        return 0;
+    }
+
     printf(Color_BOLD);
     printf("[INFO]");
     printf(Color_RESET);
@@ -76,6 +105,11 @@ int vlog_warn(const char* text, ...)
     va_list list;
     int retval;
 
+    if (!output_enabled || !warn_enabled)
+    {
+        return 0;
+    }
+
     fprintf(stderr, Color_BOLD_YELLOW);
     fprintf(stderr, "[WARN]");
     fprintf(stderr, Color_RESET);
@@ -95,6 +129,11 @@ int vlog_error(const char* text, ...)
     va_list list;
     int retval;
 
+    if (!output_enabled || !error_enabled)
+    {
+        return 0;
+    }
+
     fprintf(stderr, Color_BOLD_RED);
     fprintf(stderr, "[ERROR]");
     fprintf(stderr, Color_RESET);
diff --git a/desktop_version/src/Vlogging.h b/desktop_version/src/Vlogging.h
index 22802f3b..90ff9089 100644
--- a/desktop_version/src/Vlogging.h
+++ b/desktop_version/src/Vlogging.h
@@ -8,8 +8,16 @@ extern "C"
 
 void vlog_init(void);
 
+void vlog_toggle_output(int enable_output);
+
 void vlog_toggle_color(int enable_color);
 
+void vlog_toggle_info(int enable_info);
+
+void vlog_toggle_warn(int enable_warn);
+
+void vlog_toggle_error(int enable_error);
+
 int vlog_info(const char* text, ...);
 
 int vlog_warn(const char* text, ...);
diff --git a/desktop_version/src/main.cpp b/desktop_version/src/main.cpp
index 24eb58d8..2e9ba47d 100644
--- a/desktop_version/src/main.cpp
+++ b/desktop_version/src/main.cpp
@@ -432,6 +432,10 @@ int main(int argc, char *argv[])
                 playassets = "levels/" + std::string(argv[i]) + ".vvvvvv";
             })
         }
+        else if (ARG("-nooutput"))
+        {
+            vlog_toggle_output(0);
+        }
         else if (ARG("-forcecolor") || ARG("-forcecolour"))
         {
             vlog_toggle_color(1);
@@ -440,6 +444,18 @@ int main(int argc, char *argv[])
         {
             vlog_toggle_color(0);
         }
+        else if (ARG("-noinfo"))
+        {
+            vlog_toggle_info(0);
+        }
+        else if (ARG("-nowarn"))
+        {
+            vlog_toggle_warn(0);
+        }
+        else if (ARG("-noerror"))
+        {
+            vlog_toggle_error(0);
+        }
 #undef ARG_INNER
 #undef ARG
         else