X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2FMainLayer.cc;h=2e687855dd73d03a557bcf2108d9940d1706ed4c;hp=2266326402f89b475df8c1a57b3f4abd3dba9d37;hb=31d52677b38d935297d132bdbd956c655cd3feee;hpb=a4debfe4a5f5d339410788971b698ba00cb7f09c

diff --git a/src/MainLayer.cc b/src/MainLayer.cc
index 2266326..2e68785 100644
--- a/src/MainLayer.cc
+++ b/src/MainLayer.cc
@@ -27,9 +27,9 @@
 *******************************************************************************/
 
 #include <cstdlib>		// atexit, getenv
-#include <cstring>
 #include <iostream>
 #include <string>
+#include <unistd.h>		// access
 
 #include <Moof/Dispatcher.hh>
 #include <Moof/Exception.hh>
@@ -46,6 +46,7 @@
 #if HAVE_CONFIG_H
 #include "config.h"
 #endif
+#include "version.h"
 
 
 MainLayer::MainLayer()
@@ -171,12 +172,14 @@ void MainLayer::contextRecreated(const Mf::Notification* note)
 
 void printUsage()
 {
-	std::cout << "Usage: "PACKAGE" [-h|--help] [OPTION=VALUE]..." << std::endl
+	std::cout << "Usage: "PACKAGE" [-h|--help] [-i|--info] [OPTION=VALUE]..." << std::endl
 			  << "The alien-smashing action game." << std::endl
 			  << std::endl
 			  << "Options:" << std::endl
 			  << "  -h, --help" << std::endl
 			  << "      show this help and exit" << std::endl
+			  << "  -i, --info" << std::endl
+			  << "      show version and build information" << std::endl
 			  << "  detail=1|2|3" << std::endl
 			  << "      the level of detail of game scenes" << std::endl
 			  << "  fullscreen=true|false" << std::endl
@@ -187,18 +190,82 @@ void printUsage()
 			  << "See documentation for more options." << std::endl;
 }
 
+void printInfo(int argc, char* argv[])
+{
+	std::string assets;
+	std::string datadir;
+	std::string config;
+
+	assets.assign(YOINK_DATADIR);
+	int accessible = access(assets.c_str(), R_OK);
+	if (accessible != 0) assets += " (no access)";
+
+	char* temp = getenv("YOINK_DATADIR");
+	if (temp)
+	{
+		datadir = temp;
+		accessible = access(temp, R_OK);
+		if (accessible != 0) datadir += " (no access)";
+	}
+
+	temp = getenv("YOINKRC");
+	if (temp)
+	{
+		config = temp;
+		accessible = access(temp, R_OK);
+		if (accessible != 0) config += " (no access)";
+	}
+
+	std::cout << "   Executable: " << argv[0] << std::endl
+			  << "      Version: "VERSION << std::endl
+#ifdef __DATE__
+			  << "        Built: "__DATE__" "__TIME__ << std::endl
+#endif
+			  << "     Compiler: "COMPILER_STRING << std::endl
+			  << "       Assets: " << assets << std::endl
+			  << "Build options: "
+#ifdef NDEBUG
+			  << "-"
+#endif
+			  << "debug "
+#ifndef USE_DOUBLE_PRECISION
+			  << "-"
+#endif
+			  << "double-precision "
+#ifndef PROFILING_ENABLED
+			  << "-"
+#endif
+			  << "profile "
+#ifndef USE_THREADS
+			  << "-"
+#endif
+			  << "threads" << std::endl
+			  << "      YOINKRC: " << config << std::endl
+			  << "YOINK_DATADIR: " << datadir << std::endl;
+}
+
 void goodbye()
 {
 	std::cout << std::endl << "Goodbye..." << std::endl << std::endl;
 }
 
+
+
 int main(int argc, char* argv[])
 {
-	if (argc > 1 &&
-			(strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0))
+	if (argc > 1)
 	{
-		printUsage();
-		return 0;
+		std::string arg(argv[1]);
+		if (arg == "-h" || arg == "--help")
+		{
+			printUsage();
+			return 0;
+		}
+		else if (arg == "-i" || arg == "--info")
+		{
+			printInfo(argc, argv);
+			return 0;
+		}
 	}
 
 	std::cout << std::endl << PACKAGE_STRING << std::endl