TITANIC: Add getNewRandomNumber to CGameObject

2 files changed, 15 insertions, 0 deletions

diff --git a/engines/titanic/core/game_object.cpp b/engines/titanic/core/game_object.cpp
index 73e3511319..89e3ded248 100644
--- a/engines/titanic/core/game_object.cpp
+++ b/engines/titanic/core/game_object.cpp
@@ -1392,6 +1392,16 @@ void CGameObject::resetMail() {
 		mailMan->resetValue();
 }
 
+int CGameObject::getNewRandomNumber(int max, int *oldVal) {
+	if (oldVal) {
+		int startingVal = *oldVal;
+		while (*oldVal == startingVal && max > 0)
+			*oldVal = g_vm->getRandomNumber(max);
+	} else {
+		return g_vm->getRandomNumber(max);
+	}
+}
+
 /*------------------------------------------------------------------------*/
 
 CRoomItem *CGameObject::getRoom() const {
diff --git a/engines/titanic/core/game_object.h b/engines/titanic/core/game_object.h
index fdbbcd6959..665fc6cf37 100644
--- a/engines/titanic/core/game_object.h
+++ b/engines/titanic/core/game_object.h
@@ -513,6 +513,11 @@ protected:
 	 * Scroll text down
 	 */
 	void scrollTextDown();
+
+	/**
+	 * Gets a new random number
+	 */
+	int getNewRandomNumber(int max, int *oldVal = nullptr);
 public:
 	bool _isMail;
 	int _id;