1 files changed, 47 insertions, 0 deletions
diff --git a/sw-client/src/commonMain/kotlin/org/luxons/sevenwonders/client/GameState.kt b/sw-client/src/commonMain/kotlin/org/luxons/sevenwonders/client/GameState.kt
new file mode 100644
index 00000000..e8a393f7
--- /dev/null
+++ b/sw-client/src/commonMain/kotlin/org/luxons/sevenwonders/client/GameState.kt
@@ -0,0 +1,47 @@
+package org.luxons.sevenwonders.client
+
+import org.luxons.sevenwonders.model.Age
+import org.luxons.sevenwonders.model.PlayerMove
+import org.luxons.sevenwonders.model.TurnAction
+import org.luxons.sevenwonders.model.api.PlayerDTO
+import org.luxons.sevenwonders.model.boards.Board
+import org.luxons.sevenwonders.model.boards.RelativeBoardPosition
+import org.luxons.sevenwonders.model.cards.CardBack
+import org.luxons.sevenwonders.model.cards.HandCard
+import org.luxons.sevenwonders.model.cards.HandRotationDirection
+
+data class GameState(
+    val gameId: Long,
+    val playerIndex: Int,
+    val currentAge: Age,
+    val players: List<PlayerDTO>,
+    val boards: List<Board>,
+    val handRotationDirection: HandRotationDirection,
+    val action: TurnAction,
+    val preparedCardsByUsername: Map<String, CardBack?> = emptyMap(),
+    val currentPreparedMove: PlayerMove? = null,
+) {
+    val currentPreparedCard: HandCard?
+        get() {
+            val hand = (action as? TurnAction.PlayFromHand)?.hand
+            return hand?.firstOrNull { it.name == currentPreparedMove?.cardName }
+        }
+
+    val RelativeBoardPosition.absoluteIndex: Int
+        get() = getIndexFrom(playerIndex, boards.size)
+}
+
+fun GameState.getOwnBoard(): Board = boards[playerIndex]
+
+fun GameState.getBoard(position: RelativeBoardPosition): Board = boards[position.absoluteIndex]
+
+fun GameState.getNonNeighbourBoards(): List<Board> {
+    val nPlayers = boards.size
+    if (nPlayers <= 3) {
+        return emptyList()
+    }
+    val first = (playerIndex + 2) % nPlayers
+    val last = (playerIndex - 2 + nPlayers) % nPlayers
+    val range = if (first <= last) first..last else ((first until nPlayers) + (0..last))
+    return range.map { boards[it] }
+}