Add option --silence-suggestions, to disable certain messages

Specific message types will be in a later commit

TileGenerator.cpp

@@ -137,6 +137,7 @@ TileGenerator::TileGenerator():
 	verboseReadColors(0),
 	verboseStatistics(0),
 	progressIndicator(false),
+	m_silenceSuggestions(0),
 	m_heightMap(false),
 	m_heightMapYScale(1),
 	m_seaLevel(0),
@@ -208,6 +209,11 @@ TileGenerator::~TileGenerator()
 {
 }
 
+void TileGenerator::setSilenceSuggestion(unsigned flags)
+{
+	m_silenceSuggestions |= flags;
+}
+
 void TileGenerator::setGenerateNoPrefetch(int enable)
 {
 	m_generateNoPrefetch = enable;

TileGenerator.h

@@ -54,6 +54,8 @@
 #define SCALESIZE_VERT			50
 #define HEIGHTSCALESIZE			60
 
+#define SUGGESTION_ALL			0xffffffff
+
 class TileGenerator
 {
 private:
@@ -109,6 +111,7 @@ public:
 
 	TileGenerator();
 	~TileGenerator();
+	void setSilenceSuggestion(unsigned flags);
 	void setGenerateNoPrefetch(int enable);
 	void setDBFormat(BlockPos::StrFormat format, bool query);
 	void setHeightMap(bool enable);
@@ -217,6 +220,7 @@ public:
 	bool progressIndicator;
 
 private:
+	unsigned m_silenceSuggestions;
 	bool m_heightMap;
 	float m_heightMapYScale;
 	int m_seaLevel;

doc/manual.rst

@@ -282,6 +282,7 @@ Feedback / information options:
     * ``--version`` :					Print version ID of minetestmapper
     * ``--verbose[=<n>]`` :				Report world and map statistics (size, dimensions, number of blocks)
     * ``--verbose-search-colors[=n]`` :			Report which colors files are used and/or which locations are searched
+    * ``--silence-suggestions all`` :			Do not bother doing suggestions
     * ``--progress`` :					Show a progress indicator while generating the map
 
 Miscellaneous options
@@ -1055,6 +1056,15 @@ Detailed Description of Options
 	.. image:: images/drawscale-both.png
 	.. image:: images/sidescale-interval.png
 
+``--silence-suggestions all``
+......................................
+	Do not print usage suggestions of the specified types.
+
+	If applicable, minetestmapper may suggest using or adjusting certain options
+	if that may be advantageous. This option disables such messages.
+
+	    :all:	Silence all existing (and future) suggestions there may be.
+
 ``--sqlite-cacheworldrow``
 ..........................
 	This option is no longer supported, as minetestmapper performed
@@ -1765,6 +1775,7 @@ More information is available:
 .. _--origincolor: `--origincolor <color>`_
 .. _--output: `--output <output_image.png>`_
 .. _--playercolor: `--playercolor <color>`_
+.. _--silence-suggestions: `--silence-suggestions all`_
 .. _--scalecolor: `--scalecolor <color>`_
 .. _--scalefactor: `--scalefactor 1:<n>`_
 .. _--height-level-0: `--height-level-0 <level>`_

mapper.cpp

@@ -41,6 +41,7 @@ using namespace std;
 #define OPT_SCALEINTERVAL		0x8f
 #define OPT_NO_BLOCKLIST_PREFETCH	0x90
 #define OPT_DATABASE_FORMAT		0x91
+#define OPT_SILENCE_SUGGESTIONS		0x92
 
 // Will be replaced with the actual name and location of the executable (if found)
 string executableName = "minetestmapper";
@@ -124,6 +125,7 @@ void usage()
 			"  --tilecenter <x>,<y>|world|map\n"
 			"  --scalefactor 1:<n>\n"
 			"  --chunksize <size>\n"
+			"  --silence-suggestions all\n"
 			"  --verbose[=n]\n"
 			"  --verbose-search-colors[=n]\n"
 			"  --progress\n"
@@ -631,6 +633,7 @@ int main(int argc, char *argv[])
 		{"tilebordercolor", required_argument, 0, 'B'},
 		{"scalefactor", required_argument, 0, OPT_SCALEFACTOR},
 		{"chunksize", required_argument, 0, OPT_CHUNKSIZE},
+		{"silence-suggestions", required_argument, 0, OPT_SILENCE_SUGGESTIONS},
 		{"verbose", optional_argument, 0, 'v'},
 		{"verbose-search-colors", optional_argument, 0, OPT_VERBOSE_SEARCH_COLORS},
 		{"progress", no_argument, 0, OPT_PROGRESS_INDICATOR},
@@ -863,6 +866,31 @@ int main(int argc, char *argv[])
 						}
 					}
 					break;
+				case OPT_SILENCE_SUGGESTIONS: {
+						for (size_t i = 0; i < strlen(optarg); i++) {
+							optarg[i] = tolower(optarg[i]);
+							if (optarg[i] == ',')
+								optarg[i] = ' ';
+						}
+						std::istringstream iss(optarg);
+						std::string flag;
+						do {
+							iss >> flag >> std::ws;
+							if (iss.fail()) {
+								std::cerr << "Invalid flag(s) to '" << long_options[option_index].name << "': '" << optarg << "'" << std::endl;
+								usage();
+								exit(1);
+							}
+							else if (flag == "all")
+								generator.setSilenceSuggestion(SUGGESTION_ALL);
+							else {
+								std::cerr << "Invalid flag to '" << long_options[option_index].name << "': '" << flag << "'" << std::endl;
+								usage();
+								exit(1);
+							}
+						} while (!iss.eof());
+					}
+					break;
 				case 'v':
 					if (optarg && isdigit(optarg[0]) && optarg[1] == '\0') {
 						generator.verboseStatistics = optarg[0] - '0';