client: receive and display player list

Signed-off-by: Lizzy Fleckenstein <lizzy@vlhl.dev>

1 files changed, 72 insertions, 7 deletions

diff --git a/src/client.c b/src/client.c
index d15ba8e..08eae9d 100644
--- a/src/client.c
+++ b/src/client.c
@@ -13,10 +13,17 @@
 #include "content.h"
 
 typedef struct {
+	str name;
+	uint64_t id;
+} player;
+
+typedef struct {
 	peer conn;
 	struct termios oldtio;
 	str name;
 	str pass;
+	uint64_t self_id;
+	array(player) players;
 } client;
 
 void gfx_alt_buffer(bool enable)
@@ -27,9 +34,29 @@ void gfx_alt_buffer(bool enable)
 		printf("\e[?1049l\e[?25h");
 }
 
+void gfx_clear()
+{
+	printf("\e[2J");
+}
+
 void gfx_render(client *c, uint64_t dtime)
 {
-	// TODO: render game
+	gfx_clear();
+	printf("\e[H");
+	for (size_t i = 0; i < c->players.len; i++)
+		printf("%.*s\n", PSTR(c->players.data[i].name));
+	fflush(stdout);
+}
+
+void free_players(client *c)
+{
+	for (size_t i = 0; i < c->players.len; i++)
+		free(c->players.data[i].name.data);
+
+	free(c->players.data);
+
+	c->players.len = 0;
+	c->players.data = NULL;
 }
 
 void client_exit(client *c, int ret)
@@ -37,6 +64,8 @@ void client_exit(client *c, int ret)
 	free(c->name.data);
 	free(c->pass.data);
 
+	free_players(c);
+
 	peer_free(&c->conn);
 	tcsetattr(STDIN_FILENO, TCSANOW, &c->oldtio);
 	gfx_alt_buffer(false);
@@ -53,20 +82,56 @@ void handle_input(client *c, char ch)
 	}
 }
 
-bool handle_pkt(client *c, str pkt)
+bool handle_players(str *w, client *c)
 {
-	// TODO: handle network traffic
+	free_players(c);
+
+	uint16_t len;
+	if (!deser_u16(w, &len))
+		return false;
+
+	c->players.data = malloc(sizeof *c->players.data * len);
+
+	for (c->players.len = 0; c->players.len < len; c->players.len++) {
+		player *p = &c->players.data[c->players.len];
+		if (!deser_str(w, &p->name))
+			return false;
+		if (!deser_u64(w, &p->id))
+			return false;
+		if (str_cmp(p->name, c->name) == 0)
+			c->self_id = p->id;
+		p->name = str_clone(p->name);
+	}
 	return true;
 }
 
-int main()
+bool handle_pkt(client *c, str pkt)
 {
+	pkt_type type;
+	if (!deser_pkt_type(&pkt, &type))
+		return false;
+
+	switch (type) {
+		case CPKT_PLAYERS: return handle_players(&pkt, c);
+		default: return false;
+	}
+}
+
+int main(int argc, char **argv)
+{
+	if (argc < 4) {
+		fprintf(stderr, "usage: %s server port name [pass]\n", argv[0]);
+		return EXIT_FAILURE;
+	}
+
 	signal_setup();
 
 	client c = {0};
 
-	c.name = str_clone(S("kitten"));
-	c.pass = str_clone(S(""));
+	const char *server = argv[1];
+	const char *port = argv[2];
+	c.name = str_clone(str_intro(argv[3]));
+	c.pass = str_clone(argc < 5 ? S("") : str_intro(argv[4]));
 
 	c.conn.socket = -1;
 
@@ -78,7 +143,7 @@ int main()
 
 	SET_NONBLOCK(STDIN_FILENO); // TODO: handle error
 
-	int socket = socket_create("127.0.0.1", "4560", false);
+	int socket = socket_create(server, port, false);
 	if (socket < 0)
 		client_exit(&c, EXIT_FAILURE);
 	str server_name = S("server");