web: allow selection of starting points and user to throw first

This new option selection code is a bit messy for now. It requires the
options and their order to be in sync between the prompt functions and
the corresponding submit functions. There's also a bit too much
repetition of generic code that's applicable to all options.

1 files changed, 30 insertions, 14 deletions

diff --git a/web/web_control.c b/web/web_control.c
index 0c220a5..2890308 100644
--- a/web/web_control.c
+++ b/web/web_control.c
@@ -30,7 +30,6 @@ void toggle_active_player()
 	set_active_player(3 - state->active_player);
 }
 
-EMSCRIPTEN_KEEPALIVE
 void update_user_rem_from_pts(int pts)
 {
 	update_player_rem(state->active_player, state->active_leg->rem - pts);
@@ -70,7 +69,6 @@ void draw_boat_throwing(int pts, char *str, double x, double y)
 	scoreboard_flush_player_info(2); // FIXME bot hard-coded as player 2
 }
 
-EMSCRIPTEN_KEEPALIVE
 void boat_visit()
 {
 	struct leg *l = state->legs[1];
@@ -131,7 +129,7 @@ void handle_next()
 			if (state->active_player)
 				toggle_active_player();
 			else
-				set_active_player(1);
+				set_active_player(match_opts->throws_first);
 
 			if (state->mode == M_PVC && state->active_player == 2)
 				boat_visit();
@@ -142,7 +140,6 @@ void handle_next()
 	scoreboard_flush();
 }
 
-EMSCRIPTEN_KEEPALIVE
 void user_visit(int points)
 {
 	if (!is_points_valid(points, state->active_leg->rem)) {
@@ -166,13 +163,11 @@ void user_visit(int points)
 	handle_next();
 }
 
-EMSCRIPTEN_KEEPALIVE
 void user_visit_to_rem(int rem)
 {
 	user_visit(state->legs[0]->rem - rem);
 }
 
-EMSCRIPTEN_KEEPALIVE
 void user_undo()
 {
 	if (!state->legs[0]->n_visits) {
@@ -225,7 +220,6 @@ void user_undo()
 	handle_next();
 }
 
-EMSCRIPTEN_KEEPALIVE
 void user_num_darts(int n)
 {
 	if (n < 1 || n > 3) {
@@ -239,26 +233,49 @@ void user_num_darts(int n)
 	handle_next();
 }
 
-EMSCRIPTEN_KEEPALIVE
-void start_match(int mode)
+void match_mode_selected(int mode)
 {
 	if (mode < M_FIRST || mode > M_LAST) {
 		oi();
 		return;
 	}
 
+	if (match_opts) match_opts_free();
+	match_opts = calloc(1, sizeof(*match_opts));
+	match_opts->mode = mode;
+	match_opts->start_pts = 501;
+	match_opts->throws_first = 1;
+	// names need to be freed if we stop using string literals
+	if (mode == M_PVC) {
+		match_opts->p1_name = "User";
+		match_opts->p2_name = "Bot";
+	} else if (mode == M_P) {
+		match_opts->p1_name = "Player 1";
+		match_opts->p2_name = NULL;
+	} else if (mode == M_PVP) {
+		match_opts->p1_name = "Player 1";
+		match_opts->p2_name = "Player 2";
+	}
+
+	prompt_match_opts();
+	prompt_flush();
+}
+
+void start_match()
+{
 	if (state) free_state(); // rematch gets us here
 	state = calloc(1, sizeof(*state));
-	state->mode = mode;
-	state->legs[0] = leg_init(501, mode == M_PVP ? "Player 1" : "User");
-	state->legs[1] = leg_init(501, mode == M_PVC ? "Bot" : "Player 2");
+	state->mode = match_opts->mode;
+	state->legs[0] = leg_init(match_opts->start_pts, match_opts->p1_name);
+	state->legs[1] = leg_init(match_opts->start_pts,
+		match_opts->p2_name ? match_opts->p2_name : "oi");
 
 	show_player_info(1);
 	update_player_name(1, state->legs[0]->name);
 	update_player_rem(1, state->legs[0]->rem);
 	update_player_avg(1, 0);
 
-	if (mode != M_P) {
+	if (state->mode != M_P) {
 		show_player_info(2);
 		update_player_name(2, state->legs[1]->name);
 		update_player_rem(2, state->legs[1]->rem);
@@ -269,7 +286,6 @@ void start_match(int mode)
 	handle_next();
 }
 
-EMSCRIPTEN_KEEPALIVE
 void end_match()
 {
 	if (state) free_state();