web: support two-player scoreboard mode

1 files changed, 75 insertions, 34 deletions

diff --git a/web/dartboat_wasm.c b/web/dartboat_wasm.c
index 9c838bd..ccde71a 100644
--- a/web/dartboat_wasm.c
+++ b/web/dartboat_wasm.c
@@ -8,28 +8,39 @@
 
 #include <emscripten/emscripten.h>
 
-#define P_USER 1
-#define P_BOAT 2
+#define M_PVC 1
+#define M_PVP 2
 
 int delay_ms = 1000;
 
 // TODO refactor *everything*
 
 struct match_state {
-	struct leg *l1, *l2;
+	int mode;
+	struct leg *l1, *l2, *active_l;
+	int active_p;
 	int undone_count;
 	int complete;
 };
 
 struct match_state *state;
 
+void switch_active_user() {
+	state->active_p = 3 - state->active_p;
+	if (state->active_p == 1)
+		state->active_l = state->l1;
+	else
+		state->active_l = state->l2;
+	EM_ASM({setPlayerActive($0)}, state->active_p);
+}
+
 void set_user_active() {
-	EM_ASM({setPlayerActive($0)}, P_USER);
+	EM_ASM({setPlayerActive($0)}, 1);
 	EM_ASM({setPromptHandler($0)}, "visit");
 }
 
 void set_boat_active() {
-	EM_ASM({setPlayerActive($0)}, P_BOAT);
+	EM_ASM({setPlayerActive($0)}, 2);
 	EM_ASM({setPromptHandler()}, "");
 }
 
@@ -69,7 +80,8 @@ EMSCRIPTEN_KEEPALIVE int is_match_over() {
 
 void match_over() {
 	EM_ASM({setPromptHandler($0)}, "init");
-	EM_ASM({promptMsgR($0)}, "Press OK to play again.");
+	EM_ASM({promptMsgL($0)}, "Enter match mode:");
+	EM_ASM({promptMsgR($0)}, "1 to play against bot\n2 to play against player");
 	EM_ASM(setPlayerActive());
 }
 
@@ -118,8 +130,13 @@ EMSCRIPTEN_KEEPALIVE void draw_match() {
 		EM_ASM({promptMsgL($0)}, "Darts needed?");
 		EM_ASM({setPromptHandler($0)}, "num_darts");
 	} else if (l2->rem <= 0) {
-		EM_ASM({promptMsgL($0)}, "Bot wins. :(");
-		match_over();
+		if (state->mode == M_PVC) {
+			EM_ASM({promptMsgL($0)}, "Bot wins. :(");
+			match_over();
+		} else {
+			EM_ASM({promptMsgL($0)}, "Darts needed?");
+			EM_ASM({setPromptHandler($0)}, "num_darts");
+		}
 	} else {
 		EM_ASM({promptMsgL($0)}, "Enter points:");
 	}
@@ -138,22 +155,22 @@ char *str_for_rem_state(int rem) {
 
 EMSCRIPTEN_KEEPALIVE void update_user_rem(int rem) {
 	char *str = str_for_rem_state(rem);
-	EM_ASM({updatePlayerRem($0, $1)}, P_USER, str);
+	EM_ASM({updatePlayerRem($0, $1)}, state->active_p, str);
 	free(str);
 
-	get_suggested(rem, P_USER);
+	get_suggested(rem, state->active_p);
 }
 
 EMSCRIPTEN_KEEPALIVE void update_user_rem_from_pts(int pts) {
-	update_user_rem(state->l1->rem - pts);
+	update_user_rem(state->active_l->rem - pts);
 }
 
 EMSCRIPTEN_KEEPALIVE void update_boat_rem(int rem) {
 	char *str = str_for_rem_state(rem);
-	EM_ASM({updatePlayerRem($0, $1)}, P_BOAT, str);
+	EM_ASM({updatePlayerRem($0, $1)}, 2, str);
 	free(str);
 
-	get_suggested(rem, P_BOAT);
+	get_suggested(rem, 2);
 }
 
 void end_boat_throwing(int, double); // FIXME
@@ -206,7 +223,7 @@ EMSCRIPTEN_KEEPALIVE void boat_visit() {
 
 EMSCRIPTEN_KEEPALIVE bool user_visit(int points) {
 	if (state->l1->rem <= 0 || state->l2->rem <= 0 ||
-		points > state->l1->rem || state->l1->rem - points == 1 ||
+		points > state->active_l->rem || state->active_l->rem - points == 1 ||
 		points > 180 || points == 179 || points == 178 || points == 176 ||
 		points == 175 || points == 173 || points == 172 || points == 169 ||
 		points == 166 || points == 163) {
@@ -215,7 +232,7 @@ EMSCRIPTEN_KEEPALIVE bool user_visit(int points) {
 		return false;
 	}
 
-	struct leg *l = state->l1;
+	struct leg *l = state->active_l;
 	struct visit *v = l->visits + l->n_visits++;
 	v->points = points;
 	l->rem -= points;
@@ -223,15 +240,19 @@ EMSCRIPTEN_KEEPALIVE bool user_visit(int points) {
 	update_user_rem(l->rem);
 
 	if (v->rem > 0)
-		EM_ASM({updatePlayerAvg($0, $1)}, P_USER,
+		EM_ASM({updatePlayerAvg($0, $1)}, state->active_p,
 			(double)(l->start-l->rem)/l->n_visits);
 
 	EM_ASM({clearVisits()});
 	draw_match();
 
 	if (!is_match_over()) {
-		set_boat_active();
-		boat_visit();
+		if (state->mode == M_PVC) {
+			set_boat_active();
+			boat_visit();
+		} else {
+			switch_active_user();
+		}
 	}
 
 	return true;
@@ -248,19 +269,25 @@ EMSCRIPTEN_KEEPALIVE bool user_undo() {
 		return false;
 	}
 
-	struct leg *l = state->l1;
+	if (state->mode == M_PVP)
+		switch_active_user();
+
+	struct leg *l = state->active_l;
 	struct visit *v = l->visits + --l->n_visits;
 	l->rem += v->points;
-	state->l2->rem += state->l2->visits[--state->l2->n_visits].points;
-	++state->undone_count;
+	if (state->mode == M_PVC) {
+		state->l2->rem += state->l2->visits[--state->l2->n_visits].points;
+		++state->undone_count;
+	}
 
-	EM_ASM({updatePlayerAvg($0, $1)}, P_USER,
+	EM_ASM({updatePlayerAvg($0, $1)}, 1,
 		l->n_visits ? (double)(l->start-l->rem)/l->n_visits : 0);
-	EM_ASM({updatePlayerAvg($0, $1)}, P_BOAT,
+	EM_ASM({updatePlayerAvg($0, $1)}, 2,
 		state->l2->n_visits ?
 			(double)(state->l2->start-state->l2->rem)/state->l2->n_visits : 0);
 	update_user_rem(l->rem);
-	update_boat_rem(state->l2->rem);
+	if (state->mode == M_PVC)
+		update_boat_rem(state->l2->rem);
 
 	memcpy(v, 0, sizeof(*v));
 
@@ -284,7 +311,7 @@ EMSCRIPTEN_KEEPALIVE void draw_boat_throwing(int pts, char *str) {
 
 EMSCRIPTEN_KEEPALIVE void end_boat_throwing(int rem, double avg) {
 	update_boat_rem(rem);
-	EM_ASM({updatePlayerAvg($0, $1)}, P_BOAT, avg);
+	EM_ASM({updatePlayerAvg($0, $1)}, 2, avg);
 	EM_ASM({setPromptInput($0)}, "");
 	EM_ASM(clearVisits());
 	EM_ASM({promptMsgR($0)}, "");
@@ -302,7 +329,7 @@ EMSCRIPTEN_KEEPALIVE void resp_numdarts(int n_darts) {
 
 	struct leg *l = state->l1;
 
-	EM_ASM({updatePlayerAvg($0, $1)}, P_USER,
+	EM_ASM({updatePlayerAvg($0, $1)}, state->active_p,
 		((double)l->start / (((l->n_visits - 1) * 3) + n_darts)) * 3);
 	EM_ASM({promptMsgL($0)}, "You win! :)");
 	match_over();
@@ -330,20 +357,33 @@ EMSCRIPTEN_KEEPALIVE void free_match() {
 	state = NULL;
 }
 
-EMSCRIPTEN_KEEPALIVE void start_match() {
+EMSCRIPTEN_KEEPALIVE void start_match(int mode) {
+	if (mode != M_PVP && mode != M_PVC) {
+		EM_ASM(oi());
+		return;
+	}
+
 	if (state) free_match();
 
 	init_boat();
 	state = calloc(1, sizeof(*state));
-	state->l1 = leg_init(501, "User");
-	state->l2 = leg_init(501, "Bot");
+	state->mode = mode;
+	if (mode == M_PVC) {
+		state->l1 = leg_init(501, "User");
+		state->l2 = leg_init(501, "Bot");
+	} else {
+		state->l1 = leg_init(501, "Player 1");
+		state->l2 = leg_init(501, "Player 2");
+	}
+	state->active_p = 1;
+	state->active_l = state->l1;
 
-	EM_ASM({updatePlayerName($0, $1)}, P_USER, state->l1->name);
-	EM_ASM({updatePlayerName($0, $1)}, P_BOAT, state->l2->name);
+	EM_ASM({updatePlayerName($0, $1)}, 1, state->l1->name);
+	EM_ASM({updatePlayerName($0, $1)}, 2, state->l2->name);
 	update_user_rem(state->l1->rem);
 	update_boat_rem(state->l2->rem);
-	EM_ASM({updatePlayerAvg($0, $1)}, P_USER, 0);
-	EM_ASM({updatePlayerAvg($0, $1)}, P_BOAT, 0);
+	EM_ASM({updatePlayerAvg($0, $1)}, 1, 0);
+	EM_ASM({updatePlayerAvg($0, $1)}, 2, 0);
 
 	EM_ASM(clearVisits());
 	set_user_active();
@@ -362,5 +402,6 @@ EMSCRIPTEN_KEEPALIVE void set_delay(int delay) {
 
 int main() {
 	EM_ASM(read_opts());
-	start_match();
+	init_boat();
+	match_over();
 }