ref: 2a6077848c4d30e8d04091a3497538ea896f2b8b
parent: 5ba01641dcdf9076233c10b60d7ac1729b271866
author: mkf <mkf@cloud9p.org>
date: Sun Apr 28 14:47:39 EDT 2024
netclient.[ch]: import, helper functions for writing networked clients
--- /dev/null
+++ b/netclient.c
@@ -1,0 +1,86 @@
+#include "engine.h"
+#includde "netclient.h"
+
+int sockfd;
+
+static char*
+dirtostr(int dir)
+{+ switch(dir)
+ {+ case NE:
+ return "NE";
+ case E:
+ return "E";
+ case SE:
+ return "SE";
+ case SW:
+ return "SW";
+ case W:
+ return "W";
+ case NW:
+ return "NW";
+ default:
+ return nil;
+ }
+}
+
+static char*
+movemsg(int dir)
+{+ char *d, *msg;
+
+ d = dirtostr(dir);
+ if(d != nil)
+ {+ msg = malloc(8);
+ snprint(msg, "s %s\n", d);
+ return msg;
+ }
+ else
+ return nil;
+
+}
+
+static char*
+putmsg(int x, int y)
+{+ char *d, *msg;
+
+ msg = malloc(10);
+ snprint(msg, "p %2d %2d\n", itoa(x), itoa(y));
+ return msg;
+}
+
+void
+netmove(int dir)
+{+ int len;
+ char *msg;
+
+ msg = movemsg(dir);
+
+ if(msg != nil)
+ {+ len = strlen(msg);
+ if(write(sockfd, msg, len) < len)
+ sysfatal("netmove(): half written?");+ }
+ else
+ sysfatal("netmove(): invalid dir?");+}
+
+void
+netput(int x, int y)
+{+ int len;
+ char *msg;
+
+ msg = putmsg(x, y);
+ len = strlen(msg);
+
+ if(write(sockfd, msg, len) < len)
+ sysfatal("half written?: %r");+
+ free(msg);
+}
--- /dev/null
+++ b/netclient.h
@@ -1,0 +1,4 @@
+extern int sockfd;
+
+void netmove(int dir);
+void netput(int x, int y);