HDB: Add queryInventoryTypeSlot()

2 files changed, 13 insertions, 0 deletions

diff --git a/engines/hdb/ai-inventory.cpp b/engines/hdb/ai-inventory.cpp
index 8ed6e9e28a..a26610ee26 100644
--- a/engines/hdb/ai-inventory.cpp
+++ b/engines/hdb/ai-inventory.cpp
@@ -197,6 +197,18 @@ int AI::queryInventoryType(AIType which) {
 	return count;
 }
 
+int AI::queryInventoryTypeSlot(AIType which) {
+	int i;
+
+	if (!_numInventory)
+		return 0;
+
+	for (i = 0; i < _numInventory; i++)
+		if (_inventory[i].ent.type == which)
+			return i;
+	return -1;
+}
+
 bool AI::removeInvItemType(AIType which, int amount) {
 	int		i, j, found;
 
diff --git a/engines/hdb/ai.h b/engines/hdb/ai.h
index fcafdd8fc2..f3802d554f 100644
--- a/engines/hdb/ai.h
+++ b/engines/hdb/ai.h
@@ -1065,6 +1065,7 @@ public:
 	int queryInventory(const char *string);
 	bool removeInvItem(const char *string, int amount);
 	int queryInventoryType(AIType which);
+	int queryInventoryTypeSlot(AIType which);
 	bool removeInvItemType(AIType which, int amount);
 	bool addItemToInventory(AIType type, int amount, const char *funcInit, const char *funcAction, const char *funcUse);
 	void keepInvItem(AIType type);