From aefedb73fcba789207db4da0d27214eecaf0f078 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pedro=20J=2E=20Est=C3=A9banez?= <pedrojrulez@gmail.com>
Date: Thu, 11 Jan 2018 21:05:42 +0100
Subject: Update collision shapes data on tree entered

This is needed because the final startup values for shapes may change between parenting and entering the scene tree. For instance, if the collision shape belongs to a inherited scene.

Fixes #13835.
---
 scene/3d/collision_polygon.cpp | 20 +++++++++++++++++---
 scene/3d/collision_polygon.h   |  2 ++
 scene/3d/collision_shape.cpp   | 17 +++++++++++++----
 scene/3d/collision_shape.h     |  2 ++
 4 files changed, 34 insertions(+), 7 deletions(-)

(limited to 'scene/3d')

diff --git a/scene/3d/collision_polygon.cpp b/scene/3d/collision_polygon.cpp
index ef1b33a4e2..3a77360bc2 100644
--- a/scene/3d/collision_polygon.cpp
+++ b/scene/3d/collision_polygon.cpp
@@ -73,6 +73,14 @@ void CollisionPolygon::_build_polygon() {
 	}
 }
 
+void CollisionPolygon::_update_in_shape_owner(bool p_xform_only) {
+
+	parent->shape_owner_set_transform(owner_id, get_transform());
+	if (p_xform_only)
+		return;
+	parent->shape_owner_set_disabled(owner_id, disabled);
+}
+
 void CollisionPolygon::_notification(int p_what) {
 
 	switch (p_what) {
@@ -82,14 +90,20 @@ void CollisionPolygon::_notification(int p_what) {
 			if (parent) {
 				owner_id = parent->create_shape_owner(this);
 				_build_polygon();
-				parent->shape_owner_set_transform(owner_id, get_transform());
-				parent->shape_owner_set_disabled(owner_id, disabled);
+				_update_in_shape_owner();
 			}
 		} break;
+		case NOTIFICATION_ENTER_TREE: {
+
+			if (parent) {
+				_update_in_shape_owner();
+			}
+
+		} break;
 		case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: {
 
 			if (parent) {
-				parent->shape_owner_set_transform(owner_id, get_transform());
+				_update_in_shape_owner(true);
 			}
 
 		} break;
diff --git a/scene/3d/collision_polygon.h b/scene/3d/collision_polygon.h
index 6643cfa044..971c67f1ad 100644
--- a/scene/3d/collision_polygon.h
+++ b/scene/3d/collision_polygon.h
@@ -51,6 +51,8 @@ protected:
 
 	void _build_polygon();
 
+	void _update_in_shape_owner(bool p_xform_only = false);
+
 protected:
 	void _notification(int p_what);
 	static void _bind_methods();
diff --git a/scene/3d/collision_shape.cpp b/scene/3d/collision_shape.cpp
index d6d49a197c..943f4158f7 100644
--- a/scene/3d/collision_shape.cpp
+++ b/scene/3d/collision_shape.cpp
@@ -64,6 +64,14 @@ void CollisionShape::make_convex_from_brothers() {
 	}
 }
 
+void CollisionShape::_update_in_shape_owner(bool p_xform_only) {
+
+	parent->shape_owner_set_transform(owner_id, get_transform());
+	if (p_xform_only)
+		return;
+	parent->shape_owner_set_disabled(owner_id, disabled);
+}
+
 void CollisionShape::_notification(int p_what) {
 
 	switch (p_what) {
@@ -75,19 +83,20 @@ void CollisionShape::_notification(int p_what) {
 				if (shape.is_valid()) {
 					parent->shape_owner_add_shape(owner_id, shape);
 				}
-				parent->shape_owner_set_transform(owner_id, get_transform());
-				parent->shape_owner_set_disabled(owner_id, disabled);
+				_update_in_shape_owner();
 			}
 		} break;
 		case NOTIFICATION_ENTER_TREE: {
+			if (parent) {
+				_update_in_shape_owner();
+			}
 			if (get_tree()->is_debugging_collisions_hint()) {
 				_create_debug_shape();
 			}
-
 		} break;
 		case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: {
 			if (parent) {
-				parent->shape_owner_set_transform(owner_id, get_transform());
+				_update_in_shape_owner(true);
 			}
 		} break;
 		case NOTIFICATION_UNPARENTED: {
diff --git a/scene/3d/collision_shape.h b/scene/3d/collision_shape.h
index 724a025165..c9c91a5824 100644
--- a/scene/3d/collision_shape.h
+++ b/scene/3d/collision_shape.h
@@ -51,6 +51,8 @@ class CollisionShape : public Spatial {
 
 	void _create_debug_shape();
 
+	void _update_in_shape_owner(bool p_xform_only = false);
+
 protected:
 	void _notification(int p_what);
 	static void _bind_methods();
-- 
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