Create actions.py

src/engine/actions.py

@@ -0,0 +1,13 @@
+def draw_tile(state):
+    if state.remaining_tiles == 0:
+        raise ValueError("牌堆已空")
+    tile = state.deck.pop(0)
+    state.remaining_tiles -= 1
+    state.hands[state.current_player][tile] += 1
+    return tile
+
+def discard_tile(state, tile):
+    if state.hands[state.current_player][tile] == 0:
+        raise ValueError("玩家没有这张牌")
+    state.hands[state.current_player][tile] -= 1
+    state.discards[state.current_player].append(tile)