Implementing input system...

xerbia.c

@@ -2,6 +2,7 @@
 
 enum { wheat,              gold,               wood,               stone,              resources            };
 enum { granary,            mine,               storehouse,         quarry,             constructions        };
+enum { reply_invalid,      reply_build,        reply_report,       reply_status,       replies };
 
 static int population          = 0;
 static int reputation          = 0;
@@ -13,6 +14,7 @@ static int construction [constructions] = { 0 };
 
 static char * resource_name     [] = { "wheat",            "gold",             "wood",             "stone"              };
 static char * construction_name [] = { "granary",          "mine",             "storehouse",       "quarry"             };
+static char * reply_name        [] = { "--",               "build",            "report",           "status"             };
 
 static int construction_price [constructions] [resources] = {
 	{   0,  10,  60,  30 },
@@ -89,8 +91,36 @@ static void print_statistics (void) {
 	separate ();
 }
 
+static int query (void) {
+	char input [1024] = "";
+
+	int index;
+
+	for (index = 0; index < 1024; ++index) {
+		in (& input [index], 1);
+
+		if (input [index] == '\n') {
+			break;
+		}
+	}
+
+	input [index] = '\0';
+
+	for (index = 0; index < replies; ++index) {
+		if (string_compare (input, reply_name [index]) == true) {
+			print ("-- /2%s/-\n", reply_name [index]);
+			return (index);
+		}
+	}
+
+	print ("/1Unknown kind of reply, type 'help' to see valid replies./-\n");
+
+	return (reply_invalid);
+}
+
 int main (void) {
 	int index;
+	int reply;
 
 	reputation          = random (0, 10);
 	monthly_immigration = random (0, 10);
@@ -105,17 +135,19 @@ int main (void) {
 		construction [index] = random (1, 2);
 	}
 
-	separate ();
+	for (reply = replies; reply != reply_invalid; reply = query ()) {
+		separate ();
 
-	print_resources     ();
-	print_constructions ();
+		print_resources     ();
+		print_constructions ();
 
-	build_construction (granary);
-	build_construction (mine);
-	build_construction (storehouse);
-	build_construction (quarry);
+		build_construction (granary);
+		build_construction (mine);
+		build_construction (storehouse);
+		build_construction (quarry);
 
-	print_statistics ();
+		print_statistics ();
+	}
 
 	print ("The end!\n");