introduce game.State interface abstraction

This allows to not use the internal game state directly from client
code.

1 files changed, 16 insertions, 15 deletions

diff --git a/go/game/kraken.go b/go/game/kraken.go
index a836cb77..fccaa6df 100644
--- a/go/game/kraken.go
+++ b/go/game/kraken.go
@@ -1,6 +1,7 @@
 package game
 
 import (
+	"image/color"
 	"log"
 	"strings"
 	"sync"
@@ -26,17 +27,17 @@ var KrakenDecklist = `2 kraken/angry_squid
 2 kraken/tides_change!
 2 kraken/unholy_cannonball`
 
-func NewKraken(id int, s *State) *Player {
-	kraken := NewPlayer(id, KRAKEN_NAME, NewDeck(), s)
+func NewKraken(id int, s *LocalState, color color.Color) *Player {
+	kraken := NewPlayer(id, KRAKEN_NAME, NewDeck(), s, color)
 	d := NewDeckFromDeckList(KrakenDecklist)
 	d.Shuffle(s.Rand)
 	kraken.Deck = d
 
 	kraken.DrawPerTurn = 0
 
-	kraken_tile := s.Map.FilterTiles(func(t *Tile) bool { return t.Raw == "the kraken" })
+	kraken_tile := s.Map().FilterTiles(func(t *Tile) bool { return t.Raw == "the kraken" })
 	if len(kraken_tile) != 1 {
-		log.Fatal("No kraken tile found in Map")
+		log.Fatal("No kraken tile found in Map()")
 	}
 
 	s.addPermanent(NewUnitFromPath("kraken/the_kraken", kraken_tile[0], kraken))
@@ -46,9 +47,9 @@ func NewKraken(id int, s *State) *Player {
 	return kraken
 }
 
-func (s *State) AddKraken() {
-	kraken := NewKraken(len(s.Players)+1, s)
-	s.Players = append(s.Players, kraken)
+func (s *LocalState) AddKraken(color color.Color) {
+	kraken := NewKraken(len(s.Players())+1, s, color)
+	s.players = append(s.players, kraken)
 }
 
 type KrakenControl struct {
@@ -70,7 +71,7 @@ func addKrakenControl(kraken *Player) {
 	ctrl.syncGameState.Add(1)
 	go func() {
 		s := kraken.gameState
-		for len(s.Map.WinCondition(s)) == 0 {
+		for len(s.Map().WinCondition(s)) == 0 {
 			ctrl.krakenTurn()
 		}
 	}()
@@ -112,7 +113,7 @@ func (ctrl *KrakenControl) krakenTurn() {
 		}
 		kraken.Hand.AddCard(c)
 
-		var costFunc ActionCostFunc = func(s *State) bool {
+		var costFunc ActionCostFunc = func(s *LocalState) bool {
 			kraken.Resource -= costs
 			return true
 		}
@@ -154,7 +155,7 @@ func (ctrl *KrakenControl) RecvAction() Action {
 	s := ctrl.kraken.gameState
 	kraken := ctrl.kraken
 	if !s.IsActivePlayer(kraken) ||
-		s.ActivePhase != Phases.ActionPhase || !s.Stack.IsEmpty() {
+		s.activePhase != Phases.ActionPhase || !s.stack.IsEmpty() {
 
 		return NewPassPriority(ctrl.kraken)
 	}
@@ -170,8 +171,8 @@ func (p *Player) IsKraken() bool {
 	return p.Name == KRAKEN_NAME
 }
 
-func (s *State) FindKraken() *Player {
-	for _, p := range s.Players {
+func (s *LocalState) FindKraken() *Player {
+	for _, p := range s.Players() {
 		if p.IsKraken() {
 			return p
 		}
@@ -179,17 +180,17 @@ func (s *State) FindKraken() *Player {
 	return nil
 }
 
-func (s *State) KrakenSpawnTiles() []*Tile {
+func (s *LocalState) KrakenSpawnTiles() []*Tile {
 	kraken := s.FindKraken()
 	if !kraken.Ctrl.(*KrakenControl).activeSuprise {
-		return s.Map.FilterTiles(func(t *Tile) bool {
+		return s.Map().FilterTiles(func(t *Tile) bool {
 			return strings.Contains(t.Raw, "deep water spawn")
 		})
 	}
 
 	spawns := []*Tile{}
 	for _, u := range s.EnemyUnits(kraken) {
-		spawns = append(spawns, TilesInRange(s.Map, u, 1)...)
+		spawns = append(spawns, TilesInRange(s.Map(), u, 1)...)
 	}
 	return spawns
 }