just use full debug info for now

board.go

@@ -1,5 +1,7 @@
 package main
 
+import "fmt"
+
 type Board struct {
 	Sentinal [4]Card
 	Scourge  [4]Card
@@ -7,11 +9,15 @@ type Board struct {
 
 func NewBoard() *Board {
 	return &Board{
-		Sentinal: [4]Card{nil, nil, nil, nil},
-		Scourge:  [4]Card{nil, nil, nil, nil},
+		Sentinal: [4]Card{NewCard(-1), NewCard(-1), NewCard(-1), NewCard(-1)},
+		Scourge:  [4]Card{NewCard(-1), NewCard(-1), NewCard(-1), NewCard(-1)},
 	}
 }
 
+func (b *Board) String() string {
+	return fmt.Sprintf("---------\n|%v|%v|%v|%v|\n---------\n|%v|%v|%v|%v|\n---------\n", b.Sentinal[0], b.Sentinal[1], b.Sentinal[2], b.Sentinal[3], b.Scourge[0], b.Scourge[1], b.Scourge[2], b.Scourge[3])
+}
+
 func (b *Board) GetRow(id int) []Card {
 	if id == 1 {
 		return b.Sentinal[:]
@@ -27,14 +33,14 @@ func (b *Board) Move(id, src, dest int) bool {
 	} else {
 		brd = b.Scourge
 	}
-	if brd[src] == nil {
+	if brd[src].Empty() {
 		return false
 	}
-	if brd[dest] != nil {
+	if !brd[dest].Empty() {
 		return false
 	}
 	brd[dest] = brd[src]
-	brd[src] = nil
+	brd[src] = NewCard(-1)
 	if id == 1 {
 		b.Sentinal = brd
 	} else {
@@ -50,7 +56,7 @@ func (b *Board) CanPlay(id int, c *Card, dest int) bool {
 	} else {
 		brd = b.Scourge
 	}
-	if brd[dest] != nil {
+	if !brd[dest].Empty() {
 		return false
 	}
 	return true
@@ -63,7 +69,7 @@ func (b *Board) Play(id int, c *Card, dest int) bool {
 	} else {
 		brd = b.Scourge
 	}
-	if brd[dest] != nil {
+	if !brd[dest].Empty() {
 		return false
 	}
 	brd[dest] = *c
@@ -85,11 +91,11 @@ func (b *Board) Attack(id int, atk, def int) int {
 		aBrd = b.Scourge
 		dBrd = b.Sentinal
 	}
-	if aBrd[atk] == nil || !aBrd[atk].CanAttack(atk, def) {
+	if aBrd[atk].Empty() || !aBrd[atk].CanAttack(atk, def) {
 		return -1
 	}
 	aBrd[atk].Acted()
-	if dBrd[def] == nil {
+	if dBrd[def].Empty() {
 		//health damage
 		if id == 1 {
 			b.Sentinal = aBrd
@@ -122,7 +128,7 @@ func (b *Board) Attack(id int, atk, def int) int {
 		}
 	}
 	if attacker > defender {
-		dBrd[def] = nil
+		dBrd[def] = NewCard(-1)
 		if id == 1 {
 			b.Sentinal = aBrd
 			b.Scourge = dBrd
@@ -133,8 +139,8 @@ func (b *Board) Attack(id int, atk, def int) int {
 		return 0
 	}
 	if attacker == defender {
-		aBrd[atk] = nil
-		dBrd[def] = nil
+		aBrd[atk] = NewCard(-1)
+		dBrd[def] = NewCard(-1)
 		if id == 1 {
 			b.Sentinal = aBrd
 			b.Scourge = dBrd

card.go

@@ -1,5 +1,7 @@
 package main
 
+import "fmt"
+
 type Card interface {
 	Cast(g *Game) *Game
 	Upkeep(g *Game) *Game
@@ -7,6 +9,8 @@ type Card interface {
 	Enters(g *Game) *Game
 	Value() CardValue
 	Acted()
+	Empty() bool
+	String() string
 	CanAttack(int, int) bool
 }
 
@@ -38,6 +42,14 @@ func (g *GenericCard) Acted() {
 	g.Sick = true
 }
 
+func (g *GenericCard) Empty() bool {
+	return false
+}
+
+func (g *GenericCard) String() string {
+	return fmt.Sprintf("%v", g.Val)
+}
+
 func (g *GenericCard) CanAttack(x, y int) bool {
 	if x == y && !g.Sick {
 		return true
@@ -58,13 +70,26 @@ const (
 	Seven
 	Eight
 )
+const (
+	EmptyValue CardValue = -1
+)
 
 func (c CardValue) String() string {
+	if c == -1 {
+		return " "
+	}
 	return []string{"V", "A", "2", "3", "4", "5", "6", "7", "8"}[c]
 }
 
 func NewCard(v int) Card {
 	switch v {
+	case -1:
+		return &EmptyCard{
+			&GenericCard{
+				Val:  EmptyValue,
+				Sick: false,
+			},
+		}
 	case 1:
 		return &AceCard{
 			&GenericCard{
@@ -102,6 +127,14 @@ func NewCard(v int) Card {
 	}
 }
 
+type EmptyCard struct {
+	*GenericCard
+}
+
+func (e *EmptyCard) Empty() bool {
+	return true
+}
+
 type AceCard struct {
 	*GenericCard
 }
@@ -148,8 +181,8 @@ type Valkyrie struct {
 }
 
 func (v *Valkyrie) Cast(g *Game) *Game {
-	g.GameBoard.Sentinal = [4]Card{nil, nil, nil, nil}
-	g.GameBoard.Scourge = [4]Card{nil, nil, nil, nil}
+	g.GameBoard.Sentinal = [4]Card{NewCard(-1), NewCard(-1), NewCard(-1), NewCard(-1)}
+	g.GameBoard.Scourge = [4]Card{NewCard(-1), NewCard(-1), NewCard(-1), NewCard(-1)}
 	return g
 }
 

deck.go

@@ -1,6 +1,9 @@
 package main
 
-import "math/rand"
+import (
+	"math/rand"
+	"time"
+)
 
 type Deck struct {
 	Cards []Card
@@ -9,7 +12,7 @@ type Deck struct {
 func NewDeck() *Deck {
 	cards := []Card{NewCard(0)}
 	for i := 0; i < 3; i++ {
-		for j := 1; j < 10; j++ {
+		for j := 1; j < 9; j++ {
 			cards = append(cards, Card(NewCard(j)))
 		}
 	}
@@ -20,8 +23,9 @@ func NewDeck() *Deck {
 
 func (d *Deck) Shuffle() {
 	cards := d.Cards
+	r := rand.New(rand.NewSource(time.Now().UnixNano()))
 	for i := range cards {
-		j := rand.Intn(i + 1)
+		j := r.Intn(i + 1)
 		cards[i], cards[j] = cards[j], cards[i]
 	}
 	d.Cards = cards

game.go

@@ -1,19 +1,34 @@
 package main
 
 import (
+	"fmt"
 	"strconv"
 	"strings"
 )
 
+type GameStatus int
+
+const (
+	StatusLobby = iota
+	StatusReady
+	StatusPlaying
+	StatusStop
+)
+
+func (g GameStatus) String() string {
+	return []string{"Lobby", "Ready", "Playing", "Stopped"}[g]
+}
+
 type Game struct {
 	GameBoard      *Board
 	SentinalPlayer *Player
 	ScourgePlayer  *Player
-	sentinalDeck   *Deck
-	scourgeDeck    *Deck
+	SentinalDeck   *Deck
+	ScourgeDeck    *Deck
 	CurrentTurn    int
-	cardBuffer     []Card
+	CardBuffer     []Card
 	CanDraw        bool
+	Status         GameStatus
 }
 
 func NewGame() *Game {
@@ -25,21 +40,67 @@ func NewGame() *Game {
 		GameBoard:      NewBoard(),
 		SentinalPlayer: NewPlayer("Sentinal", 1),
 		ScourgePlayer:  NewPlayer("Scourge", 2),
-		sentinalDeck:   deckA,
-		scourgeDeck:    deckB,
+		SentinalDeck:   deckA,
+		ScourgeDeck:    deckB,
 		CurrentTurn:    0, //start with no turn
-		cardBuffer:     []Card{},
+		CardBuffer:     []Card{},
 		CanDraw:        false,
+		Status:         StatusLobby,
 	}
 }
 
+func (g *Game) String() string {
+	return fmt.Sprintf("Sen(%v): %v\n\n%v\n\nSco(%v): %v\n%v %v\n%v\n", g.SentinalPlayer.Life, g.SentinalPlayer.Hand, g.GameBoard, g.ScourgePlayer.Life, g.ScourgePlayer.Hand, g.Status, g.CanDraw, g.CardBuffer)
+}
+
 func (g *Game) PlayerStateAct(id int, cmd string) *Game {
 	switch cmd {
-	case "i":
-		//info
+	case "d":
+		//debug game state
 		return g
+	case "g":
+		//game state
+		if id == 1 {
+			return &Game{
+				GameBoard:      g.GameBoard,
+				SentinalPlayer: g.SentinalPlayer,
+				ScourgePlayer:  nil,
+				SentinalDeck:   g.SentinalDeck,
+				ScourgeDeck:    nil,
+				CurrentTurn:    g.CurrentTurn,
+				CardBuffer:     nil,
+				CanDraw:        g.CanDraw,
+				Status:         g.Status,
+			}
+		} else {
+			return &Game{
+				GameBoard:      g.GameBoard,
+				SentinalPlayer: nil,
+				ScourgePlayer:  g.ScourgePlayer,
+				SentinalDeck:   nil,
+				ScourgeDeck:    g.ScourgeDeck,
+				CurrentTurn:    g.CurrentTurn,
+				CardBuffer:     nil,
+				CanDraw:        g.CanDraw,
+				Status:         g.Status,
+			}
+		}
+	case "b":
+		//begin game
+		g.Status = StatusReady
+		//TODO check for ready on both accounts first
+		g.SentinalPlayer.Hand = g.SentinalDeck.Cards[len(g.SentinalDeck.Cards)-5 : len(g.SentinalDeck.Cards)]
+		g.SentinalDeck.Cards = g.SentinalDeck.Cards[0 : len(g.SentinalDeck.Cards)-5]
+		g.ScourgePlayer.Hand = g.ScourgeDeck.Cards[len(g.ScourgeDeck.Cards)-5 : len(g.ScourgeDeck.Cards)]
+		g.SentinalDeck.Cards = g.ScourgeDeck.Cards[0 : len(g.ScourgeDeck.Cards)-5]
+
 	case "s":
 		//start turn
+		if g.Status == StatusReady {
+			g.Status = StatusPlaying
+			g.CurrentTurn = id
+			g.CanDraw = false
+		}
 		if id != g.CurrentTurn {
 			return nil
 		}
@@ -59,7 +120,7 @@ func (g *Game) PlayerStateAct(id int, cmd string) *Game {
 		if id != g.CurrentTurn {
 			return nil
 		}
-		g.cardBuffer = []Card{}
+		g.CardBuffer = []Card{}
 		if id == 1 {
 			for _, v := range g.GameBoard.Sentinal {
 				v.Endstep(g)
@@ -89,11 +150,11 @@ func (g *Game) PlayerAct(id int, cmd string) []Card {
 	if id == g.SentinalPlayer.Id {
 		curr = g.SentinalPlayer
 		opp = g.ScourgePlayer
-		currD = g.sentinalDeck
+		currD = g.SentinalDeck
 	} else {
 		curr = g.ScourgePlayer
 		opp = g.SentinalPlayer
-		currD = g.scourgeDeck
+		currD = g.ScourgeDeck
 	}
 	cmd_s := strings.Split(cmd, " ")
 	if len(cmd_s) < 1 {
@@ -105,10 +166,13 @@ func (g *Game) PlayerAct(id int, cmd string) []Card {
 		if !g.CanDraw {
 			return nil
 		}
-		g.cardBuffer = currD.Scry(curr.Life)
-		return g.cardBuffer
+		g.CardBuffer = currD.Scry(curr.Life)
+		return g.CardBuffer
 	case "d":
 		//draw: return player hand
+		if !g.CanDraw {
+			return nil
+		}
 		if len(cmd_s) != 2 || !g.CanDraw {
 			return nil
 		}
@@ -116,15 +180,17 @@ func (g *Game) PlayerAct(id int, cmd string) []Card {
 		if err != nil {
 			panic(err)
 		}
-		x := g.cardBuffer[x_i]
-		buf := g.cardBuffer
+		x := g.CardBuffer[x_i]
+		buf := g.CardBuffer
 		for i, v := range buf {
 			if v == x {
 				buf = append(buf[:i], buf[i+1:]...)
 			}
 		}
 		currD.Bottom(buf)
-		return []Card{x}
+		curr.Hand = append(curr.Hand, x)
+		g.CanDraw = false
+		return curr.Hand
 
 	case "m":
 		//move: return player board or [] if invalid
@@ -157,7 +223,7 @@ func (g *Game) PlayerAct(id int, cmd string) []Card {
 		}
 	case "p":
 		//play: return player boad or [] if invalid
-		if len(cmd_s) != 2 {
+		if len(cmd_s) != 3 {
 			return nil
 		}
 		x_i, _ := strconv.Atoi(cmd_s[1])

main.go

@@ -5,10 +5,21 @@ import "fmt"
 func main() {
 	g := NewGame()
 
-	fmt.Println(g.GameBoard)
 	g.PlayerStateAct(1, "b")
 	g.PlayerStateAct(1, "s")
+	tmp := g.PlayerStateAct(1, "d")
+	fmt.Println("begin")
+	fmt.Println(tmp)
+	fmt.Println("scry")
 	scry := g.PlayerAct(1, "s")
 	fmt.Println(scry)
+	fmt.Println("draw")
+	g.PlayerAct(1, "d 1")
+	h2 := g.PlayerStateAct(1, "d")
+	fmt.Println(h2)
+	fmt.Println("play")
+	g.PlayerAct(1, "p 1 3")
+	b2 := g.PlayerStateAct(1, "d")
+	fmt.Println(b2)
 
 }