From 6319d662afdc09c1604231c457729090e1f5fcd4 Mon Sep 17 00:00:00 2001
From: Guilherme Felipe <guilhermefelipecgs@gmail.com>
Date: Tue, 23 Apr 2019 12:08:16 -0300
Subject: [PATCH] [StateMachine] Fix play position

Continuation of 771fbd282a3e98aa487878b9b6fac8d891074e65

(cherry picked from commit 0fcbf4da8f1245f4d711fc28914b06f582f93307)
---
 editor/plugins/animation_state_machine_editor.cpp | 8 ++++++--
 editor/plugins/animation_state_machine_editor.h   | 1 +
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/editor/plugins/animation_state_machine_editor.cpp b/editor/plugins/animation_state_machine_editor.cpp
index 567c336effe..f06b4b2828e 100644
--- a/editor/plugins/animation_state_machine_editor.cpp
+++ b/editor/plugins/animation_state_machine_editor.cpp
@@ -874,7 +874,7 @@ void AnimationNodeStateMachineEditor::_state_machine_pos_draw() {
 	}
 	to.y = from.y;
 
-	float len = MAX(0.0001, playback->get_current_length());
+	float len = MAX(0.0001, current_length);
 
 	float pos = CLAMP(play_pos, 0, len);
 	float c = pos / len;
@@ -1012,6 +1012,7 @@ void AnimationNodeStateMachineEditor::_notification(int p_what) {
 		StringName current_node;
 		StringName blend_from_node;
 		play_pos = 0;
+		current_length = 0;
 
 		if (playback.is_valid()) {
 			tp = playback->get_travel_path();
@@ -1019,6 +1020,7 @@ void AnimationNodeStateMachineEditor::_notification(int p_what) {
 			current_node = playback->get_current_node();
 			blend_from_node = playback->get_blend_from_node();
 			play_pos = playback->get_current_play_pos();
+			current_length = playback->get_current_length();
 		}
 
 		{
@@ -1060,8 +1062,10 @@ void AnimationNodeStateMachineEditor::_notification(int p_what) {
 				}
 
 				// when current_node is a state machine, use playback of current_node to set play_pos
-				if (current_node_playback.is_valid())
+				if (current_node_playback.is_valid()) {
 					play_pos = current_node_playback->get_current_play_pos();
+					current_length = current_node_playback->get_current_length();
+				}
 			}
 		}
 
diff --git a/editor/plugins/animation_state_machine_editor.h b/editor/plugins/animation_state_machine_editor.h
index 135aff9027f..8b0a5a0b00b 100644
--- a/editor/plugins/animation_state_machine_editor.h
+++ b/editor/plugins/animation_state_machine_editor.h
@@ -161,6 +161,7 @@ class AnimationNodeStateMachineEditor : public AnimationTreeNodeEditorPlugin {
 	Vector<StringName> last_travel_path;
 	float last_play_pos;
 	float play_pos;
+	float current_length;
 
 	float error_time;
 	String error_text;