wip

src/client.odin

@@ -2,70 +2,19 @@ package hanabi
 
 import "core:bufio"
 import "core:fmt"
+import "core:io"
 import "core:mem"
 import "core:net"
 import "core:os"
 
-Client_View :: struct {
-	num_players:   int,
-	num_hints:     int,
-	num_lives:     int,
-	other_players: []Player,
-}
-
-recv_payload :: proc(sock: net.TCP_Socket, allocator := context.allocator) -> (pl: Player_View) {
-	header: [4]u8
-	net.recv(sock, header[:])
-	num_cards := header[3]
-	body := make([]u8, num_cards)
-	net.recv(sock, body)
-	pl = {header[0], header[1], header[2], header[3], transmute([]Card)body}
-	// sanity checks
-	assert(2 <= pl.num_players && pl.num_players <= 5)
-	assert(pl.num_hints >= 0 && pl.num_lives >= 0)
-	for c in pl.cards do assert(1 <= c.value && c.value <= 5)
-	return
-}
-
-create_view :: proc(pl: Player_View, allocator := context.allocator) -> Client_View {
-	cards_per_hand := pl.num_cards / (pl.num_players - 1)
-	players: [dynamic]Player
-	i := 0
-	for cast(u8)len(players) < pl.num_players - 1 {
-		hand: [dynamic]Card
-		for cast(u8)len(hand) < cards_per_hand {
-			append(&hand, pl.cards[i])
-			i += 1
-		}
-		append(&players, Player{hand = hand})
-	}
-
-	return {
-		num_players = int(pl.num_players),
-		num_hints = int(pl.num_hints),
-		num_lives = int(pl.num_lives),
-		other_players = players[:],
-	}
-}
-
-render_view :: proc(view: Client_View) {
-	fmt.println("number of hints left:", view.num_hints)
-	fmt.println("number of lives left:", view.num_lives)
-	for p in view.other_players {
-		fmt.println()
-		for c in p.hand {
-			fmt.println(c.value, c.color)
-		}
-	}
-}
-
 run_client :: proc(host_addr: net.Endpoint) {
 	serv, list_err := net.dial_tcp(host_addr)
 	if list_err != nil do panic(fmt.tprintln("failed to dial:", net.to_string(host_addr)))
 	defer net.close(serv)
 
+	// player input from stdin
 	scanner: bufio.Scanner
-	bufio.scanner_init(&scanner, os.stream_from_handle(os.stdin), context.temp_allocator)
+	bufio.scanner_init(&scanner, io.to_reader(transmute(io.Stream)os.stdin.stream))
 
 	LISTEN: for {
 		msg_header: Msg_Type
@@ -77,11 +26,42 @@ run_client :: proc(host_addr: net.Endpoint) {
 			action := bufio.scanner_text(&scanner)
 			net.send(serv, transmute([]byte)action)
 		case .State_Update:
-			pl := recv_payload(serv, context.temp_allocator)
-			view := create_view(pl, context.temp_allocator)
+			view, recv_err := receive_view(serv)
+			if recv_err != nil do panic(fmt.tprintln("failed to receive view", recv_err))
 			render_view(view)
+		case .Info:
+			unimplemented()
 		}
 		free_all(context.temp_allocator)
 	}
 }
 
+receive_view :: proc(
+	serv: net.TCP_Socket,
+	allocator := context.allocator,
+) -> (
+	view: Player_View,
+	err: net.Network_Error,
+) {
+	// constant header
+	header_size := offset_of(Player_View, cards)
+	net.recv(serv, (cast([^]byte)&view)[:header_size]) or_return
+	// body of cards
+	body_data := make([]Card, view.num_cards)
+	body := raw_data(view.cards[:])[:view.num_cards * size_of(Card)]
+	net.recv(serv, transmute([]byte)body) or_return
+	return
+}
+
+render_view :: proc(view: Player_View) {
+	fmt.println("GAME:")
+	fmt.println("\tnumber of hints left:", view.game_state.num_hints)
+	fmt.println("\tnumber of lives left:", view.game_state.num_lives)
+	fmt.println("PLAYERS:")
+	for p in 0 ..< view.constant.num_players - 1 {
+		fmt.printfln("\tplayer %d's hand:", p)
+		for c in view.cards {
+			if c._player == p do fmt.println("\t\t", c)
+		}
+	}
+}

src/game.odin

@@ -5,12 +5,12 @@ import "core:math/rand"
 VALUES :: []u8{1, 1, 1, 2, 2, 3, 3, 4, 4, 5}
 
 COLORS :: enum u8 {
-	RED,
-	GREEN,
-	WHITE,
-	BLUE,
-	YELLOW,
-	RAINBOW,
+	RED     = 0b000001,
+	GREEN   = 0b000010,
+	WHITE   = 0b000100,
+	BLUE    = 0b001000,
+	YELLOW  = 0b010000,
+	RAINBOW = 0b100000,
 }
 
 Card :: bit_field u8 {
@@ -26,14 +26,24 @@ Hand :: distinct []Card
 // player can only place card of value `played[color]+1`.
 Played_Card_Piles :: distinct [6]u8
 
+Belief_State :: []bit_field u16 {
+	// `11111` can be any value 1-5.
+	// `00010` must be value 4.
+	value: u8 | 5,
+	// `111111` can be any color.
+	// `100001` can be red or rainbow.
+	color: u8 | 6,
+}
+
 Game :: struct {
-	num_players:  int,
-	num_hints:    int,
-	num_lives:    int,
-	hand_size:    int,
-	player_hands: [dynamic]Hand,
-	deck:         [dynamic]Card,
-	played:       Played_Card_Piles,
+	num_players:    int,
+	num_hints:      int,
+	num_lives:      int,
+	hand_size:      int,
+	played:         Played_Card_Piles,
+	player_hands:   []Hand,
+	player_beliefs: []Belief_State,
+	deck:           [dynamic]Card,
 }
 
 create_deck :: proc() -> (deck: [dynamic]Card) {
@@ -48,18 +58,33 @@ create_deck :: proc() -> (deck: [dynamic]Card) {
 
 deal_hands :: proc(
 	deck: ^[dynamic]Card,
-	num_players: int,
-	hand_size: int,
-) -> (
-	player_hands: [dynamic]Hand,
-) {
+	num_players, hand_size: int,
+	allocator := context.allocator,
+) -> []Hand {
+	player_hands: [dynamic]Hand
 	for i in 0 ..< num_players {
 		start := len(deck) - hand_size
 		hand := Hand(deck[start:])
 		append(&player_hands, hand)
 		resize(deck, start)
 	}
-	return
+	return player_hands[:]
+}
+
+init_beliefs :: proc(
+	num_players, hand_size: int,
+	allocator := context.allocator,
+) -> []Belief_State {
+	player_beliefs: [dynamic]Belief_State
+	for p in 0 ..< num_players {
+		bs: Belief_State
+		for c in 0 ..< hand_size {
+			bs[c].value = 0b11111
+			bs[c].color = 0b111111
+		}
+		append(&player_beliefs, bs)
+	}
+	return player_beliefs[:]
 }
 
 create_game :: proc(hint_tokens, lives_left, num_players: int) -> (s: Game) {
@@ -70,6 +95,7 @@ create_game :: proc(hint_tokens, lives_left, num_players: int) -> (s: Game) {
 	s.hand_size = num_players <= 3 ? 5 : 4
 	s.deck = create_deck()
 	s.player_hands = deal_hands(&s.deck, num_players, s.hand_size)
+	s.player_beliefs = init_beliefs(num_players, s.hand_size)
 	return
 }
 

src/server.odin

@@ -154,10 +154,20 @@ send_payload :: proc(sock: net.TCP_Socket, pl: Payload) -> net.Network_Error {
 	return nil
 }
 
-send_state_update :: proc(sock: net.TCP_Socket, pl: ^Player_View) -> net.Network_Error {
-	header := Msg_Type.State_Update
-	net.send(sock, mem.ptr_to_bytes(&header)) or_return
-	net.send(sock, mem.ptr_to_bytes(pl)) or_return
+send_state_update :: proc(sock: net.TCP_Socket, view: ^Player_View) -> net.Network_Error {
+	// header := Msg_Type.State_Update
+	// net.send(sock, mem.ptr_to_bytes(&header)) or_return
+	// net.send(sock, mem.ptr_to_bytes(pl)) or_return
+	// return nil
+	type := Msg_Type.State_Update
+	net.send(sock, mem.ptr_to_bytes(&type)) or_return
+	// everything up to `cards` field ("header")
+	header_size := offset_of(Player_View, cards)
+	header_ptr := raw_data(mem.byte_slice(view, size_of(Player_View)))
+	net.send(sock, header_ptr[:header_size]) or_return
+	// send dynamic `cards` body field
+	body := raw_data(view.cards)[:len(view.cards) * size_of(Card)]
+	net.send(sock, transmute([]byte)body) or_return
 	return nil
 }
 
@@ -186,7 +196,15 @@ send_info :: proc(sock: net.TCP_Socket, data: Info_Data) -> net.Network_Error {
 
 Play_Action :: distinct Card
 Discard_Action :: distinct Card
-Hint_Action :: distinct Card
+Value_Hint :: distinct int
+Color_Hint :: distinct int
+Hint_Action :: struct {
+	target_player: int, // global index
+	type:          union {
+		Value_Hint,
+		Color_Hint,
+	},
+}
 
 Action :: union {
 	Play_Action,
@@ -195,10 +213,7 @@ Action :: union {
 }
 
 receive_action :: proc(player: net.TCP_Socket) -> Action {
-	unimplemented()
-}
-
-validate_action :: proc(action: Action) -> bool {
+	// validates user input and creates correct action
 	unimplemented()
 }