ZVISION: Add functions for framedelay controlling in animation_node

2 files changed, 20 insertions, 0 deletions

diff --git a/engines/zvision/animation_node.cpp b/engines/zvision/animation_node.cpp
index 89d0f5e451..365ff747f4 100644
--- a/engines/zvision/animation_node.cpp
+++ b/engines/zvision/animation_node.cpp
@@ -191,4 +191,21 @@ bool AnimationNode::stop() {
 	return false;
 }
 
+void AnimationNode::setNewFrameDelay(int32 newDelay) {
+	if (newDelay > 0) {
+		PlayNodes::iterator it = _playList.begin();
+		if (it != _playList.end()) {
+			playnode *nod = &(*it);
+			float percent = (float)nod->_delay / (float)_frmDelay;
+			nod->_delay = percent * newDelay; // Scale to new max
+		}
+
+		_frmDelay = newDelay;
+	}
+}
+
+int32 AnimationNode::getFrameDelay() {
+	return _frmDelay;
+}
+
 } // End of namespace ZVision
diff --git a/engines/zvision/animation_node.h b/engines/zvision/animation_node.h
index 556ab8a51f..ff7636a31f 100644
--- a/engines/zvision/animation_node.h
+++ b/engines/zvision/animation_node.h
@@ -74,6 +74,9 @@ public:
 	void addPlayNode(int32 slot, int x, int y, int x2, int y2, int start_frame, int end_frame, int loops = 1);
 
 	bool stop();
+
+	void setNewFrameDelay(int32 newDelay);
+	int32 getFrameDelay();
 };
 
 } // End of namespace ZVision