implement the kraken win condition

3 files changed, 52 insertions, 0 deletions

diff --git a/go/game/kraken.go b/go/game/kraken.go
index 25a3f19b..0a112347 100644
--- a/go/game/kraken.go
+++ b/go/game/kraken.go
@@ -39,6 +39,7 @@ func NewKraken(id int, s *LocalState) *Player {
 	if len(kraken_tile) != 1 {
 		log.Fatal("No kraken tile found in Map()")
 	}
+	s.Map().WinCondition = BossGame(KRAKEN_NAME)
 
 	s.addPermanent(NewUnitFromPath("kraken/the_kraken", kraken_tile[0], kraken))
 
diff --git a/go/game/winCondition.go b/go/game/winCondition.go
index 6ca211b8..a36dfc1f 100644
--- a/go/game/winCondition.go
+++ b/go/game/winCondition.go
@@ -1,6 +1,8 @@
 package game
 
 import (
+	"fmt"
+
 	"golang.org/x/exp/slices"
 )
 
@@ -31,6 +33,34 @@ var DummyWinCondition = &winCondition{
 	desc: "dummy wincondition",
 }
 
+func BossGame(name string) *winCondition {
+	return &winCondition{
+		condition: func(s *LocalState) []*Player {
+			bossFound := false
+			s.FilterUnits(func(u *Unit) bool {
+				if u.Card().Name == "The "+name {
+					bossFound = true
+				}
+				return false
+			})
+
+			if bossFound {
+				return singleConcessionWinner(s)
+			}
+
+			winners := make([]*Player, 0, len(s.players))
+			for _, p := range s.players {
+				if p.Name != name && !p.Conceded {
+					winners = append(winners, p)
+				}
+			}
+
+			return winners
+		},
+		desc: fmt.Sprintf("destroy the %s", name),
+	}
+}
+
 // KingGame reports all players without an enemy king.
 var KingGame = &winCondition{
 	condition: func(s *LocalState) []*Player {
diff --git a/go/game/winCondition_test.go b/go/game/winCondition_test.go
index e6aaed4a..8f2d44ff 100644
--- a/go/game/winCondition_test.go
+++ b/go/game/winCondition_test.go
@@ -60,3 +60,24 @@ func TestConcession(t *testing.T) {
 		t.Fatal("p is not the winner", w)
 	}
 }
+
+func TestKrakenGame(t *testing.T) {
+	s, _, p, o := newMockState()
+	o.Name = KRAKEN_NAME
+	k := s.addNewUnit(NewCard("kraken/the_kraken"), Position{1, 1}, o)
+
+	s._map.WinCondition = BossGame(KRAKEN_NAME)
+	w := s._map.WinCondition.check(s)
+	if len(w) != 0 {
+		t.Fatal("winner already declared", w)
+	}
+
+	s.destroyPermanent(k)
+	w = s._map.WinCondition.check(s)
+	if len(w) != 1 {
+		t.Fatal("winner not declared", w)
+	}
+	if w[0] != p {
+		t.Fatal("p is not the winner", w)
+	}
+}