Fix pc_have_item_chain should get the chain id from cache

2 files changed, 7 insertions, 7 deletions

diff --git a/src/map/pc.c b/src/map/pc.c
index 179a4b78a..3b3cd58e1 100644
--- a/src/map/pc.c
+++ b/src/map/pc.c
@@ -12162,15 +12162,15 @@ static int pc_have_magnifier(struct map_session_data *sd)
 /**
  * checks if player have any item that listed in item chain
  * @param sd map_session_data of Player
- * @param chain_id unsigned short of item chain id
+ * @param chain_cache_id cache id of item chain
  * @return index of inventory, INDEX_NOT_FOUND if it is not found
  */
-static int pc_have_item_chain(struct map_session_data *sd, unsigned short chain_id)
+static int pc_have_item_chain(struct map_session_data *sd, enum e_chain_cache chain_cache_id)
 {
-	if (chain_id >= itemdb->chain_count) {
-		ShowError("itemdb_chain_item: unknown chain id %d\n", chain_id);
-		return INDEX_NOT_FOUND;
-	}
+	nullpo_retr(INDEX_NOT_FOUND, sd);
+	Assert_retr(INDEX_NOT_FOUND, chain_cache_id >= ECC_ORE && chain_cache_id < ECC_MAX);
+
+	int chain_id = itemdb->chain_cache[chain_cache_id];
 
 	for (int n = 0; n < itemdb->chains[chain_id].qty; n++) {
 		struct item_chain_entry *entry = &itemdb->chains[chain_id].items[n];
diff --git a/src/map/pc.h b/src/map/pc.h
index 7a42be5be..6ae52c84b 100644
--- a/src/map/pc.h
+++ b/src/map/pc.h
@@ -1186,7 +1186,7 @@ END_ZEROED_BLOCK; /* End */
 	void (*update_idle_time) (struct map_session_data* sd, enum e_battle_config_idletime type);
 
 	int (*have_magnifier) (struct map_session_data *sd);
-	int (*have_item_chain) (struct map_session_data *sd, unsigned short chain_id);
+	int (*have_item_chain) (struct map_session_data *sd, enum e_chain_cache chain_cache_id);
 
 	bool (*process_chat_message) (struct map_session_data *sd, const char *message);
 	int (*wis_message_to_gm) (const char *sender_name, int permission, const char *message);