Bug fix

src/hanabi/bot.c

@@ -59,7 +59,9 @@ uint32_t get_bot_playable(const hand_t *const hand, const deck_t *const deck) {
         if (!card->number_known) {
             continue;
         }
-        if (is_playable(deck, card) && (is_table(deck) || card->color_known)) {
+        const bool playable = is_playable(deck, card);
+        const bool fireworks_at_table = is_fireworks_at_table(deck, card->number - 1);
+        if (playable && (fireworks_at_table || card->color_known)) {
             return i;
         }
     }

src/hanabi/deck.c

@@ -112,13 +112,16 @@ int get_lowest_table(const deck_t *const deck) {
     return min;
 }
 
-bool is_table(const deck_t *const deck) {
+bool is_fireworks_at_table(const deck_t *deck, int table) {
     for (int i = 1; i < COLORS; i++) {
-        if (deck->fireworks[i - 1] == deck->fireworks[i]) {
-            return true;
+        if (deck->fireworks[i - 1] != deck->fireworks[i]) {
+            return false;
+        }
+        if (deck->fireworks[i] != table) {
+            return false;
         }
     }
-    return false;
+    return true;
 }
 
 cJSON *get_deck_json(const deck_t *const deck) {

src/hanabi/deck.h

@@ -50,10 +50,11 @@ int get_score(const deck_t *deck);
 /// \return The lowest table.
 int get_lowest_table(const deck_t *deck);
 
-/// Returns whether the deck is a table (all fireworks are at 5).
+/// Returns whether the fireworks are at the given table.
 /// \param deck The deck.
-/// \return Whether the deck is a table.
-bool is_table(const deck_t *deck);
+/// \param table The table.
+/// \return Whether the fireworks are at the given table.
+bool is_fireworks_at_table(const deck_t *deck, int table);
 
 /// Plays a card from the hand.
 /// \param deck The deck.