shithub: 3dee

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med: let the user load a model from a file.

--- a/med.c

+++ b/med.c

@@ -797,7 +797,7 @@

 void

 usage(void)

 {

-	fprint(2, "usage: %s\n", argv0);

+	fprint(2, "usage: %s [mdlfile]\n", argv0);

 	exits("usage");

 }

@@ -806,13 +806,18 @@

 {

 	Renderer *rctl;

 	Channel *keyc;

+	char *mdlpath;

+	int fd;

 	GEOMfmtinstall();

+	mdlpath = nil;

 	ARGBEGIN{

 	case 'p': doprof++; break;

 	default: usage();

 	}ARGEND;

-	if(argc != 0)

+	if(argc == 1)

+		mdlpath = argv[0];

+	else if(argc > 1)

 		usage();

 	confproc();

@@ -821,7 +826,16 @@

 		sysfatal("couldn't find main shader");

 	scene = newscene(nil);

-	model = newmodel();

+	if(mdlpath != nil){

+		fd = open(mdlpath, OREAD);

+		if(fd < 0)

+			sysfatal("open: %r");

+		model = readmodel(fd);

+		if(model == nil)

+			sysfatal("readmodel: %r");

+		close(fd);

+	}else

+		model = newmodel();

 	subject = newentity("main", model);

 	scene->addent(scene, subject);