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Destroying a Game object during its pointerup event handler on a touch device will no longer cause Uncaught TypeError: Cannot read property 'localX' of undefined. All InputPlugin process handlers now check to see if the Game Object has been destroyed at any stage and abort if it has. Fix #4463

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This commit is contained in:
Richard Davey 2019-04-24 12:54:56 +01:00
parent a47019b415
commit 00dbf8b03e
2 changed files with 50 additions and 34 deletions
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1
CHANGELOG.md
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@ -165,6 +165,7 @@ Notes:
* Keys would lose track of the state of a Scene when the Scene became paused. They're now updated regardless, stopping them from getting stuck if you pause and resume a Scene while holding them down. Fix #3822 (thanks @DannyT)
* Changing any aspect of a Text object, such as the font size or content, wouldn't update its `hitArea` if it had been enabled for input, causing it to carry on using the old hit area size. Now, as long as the Text was created _without_ a custom hitArea, the hitArea size will be changed to match the new texture size on update. If you have provided your own custom hitArea shape, you need to modify it when the Text changes size yourself. Fix #4456 (thanks @thanh-taro and @rexrainbow)
* `Camera.clearRenderToTexture` will check to see if the Scene is available before proceeding, avoiding potential errors when a Camera is destroyed multiple times during a Scene shutdown.
* Destroying a Game object during its `pointerup` event handler on a touch device will no longer cause `Uncaught TypeError: Cannot read property 'localX' of undefined`. All InputPlugin process handlers now check to see if the Game Object has been destroyed at any stage and abort if it has. Fix #4463 (thanks @PatrickSachs)
### Examples, Documentation and TypeScript

83
src/input/InputPlugin.js
View file

@ -878,7 +878,7 @@ var InputPlugin = new Class({
gameObject.emit(Events.GAMEOBJECT_POINTER_DOWN, pointer, gameObject.input.localX, gameObject.input.localY, _eventContainer);
if (_eventData.cancelled)
if (_eventData.cancelled || !gameObject.input)
{
aborted = true;
break;
@ -886,7 +886,7 @@ var InputPlugin = new Class({
this.emit(Events.GAMEOBJECT_DOWN, pointer, gameObject, _eventContainer);
if (_eventData.cancelled)
if (_eventData.cancelled || !gameObject.input)
{
aborted = true;
break;
@ -1109,6 +1109,8 @@ var InputPlugin = new Class({
return list.length;
}
var target;
// 4 = Pointer actively dragging the draglist and has moved
if (this.getDragState(pointer) === 4 && pointer.justMoved && !pointer.justUp)
{
@ -1122,38 +1124,42 @@ var InputPlugin = new Class({
input = gameObject.input;
target = input.target;
// If this GO has a target then let's check it
if (input.target)
if (target)
{
var index = dropZones.indexOf(input.target);
var index = dropZones.indexOf(target);
// Got a target, are we still over it?
if (index === 0)
{
// We're still over it, and it's still the top of the display list, phew ...
gameObject.emit(Events.GAMEOBJECT_DRAG_OVER, pointer, input.target);
gameObject.emit(Events.GAMEOBJECT_DRAG_OVER, pointer, target);
this.emit(Events.DRAG_OVER, pointer, gameObject, input.target);
this.emit(Events.DRAG_OVER, pointer, gameObject, target);
}
else if (index > 0)
{
// Still over it but it's no longer top of the display list (targets must always be at the top)
gameObject.emit(Events.GAMEOBJECT_DRAG_LEAVE, pointer, input.target);
gameObject.emit(Events.GAMEOBJECT_DRAG_LEAVE, pointer, target);
this.emit(Events.DRAG_LEAVE, pointer, gameObject, input.target);
this.emit(Events.DRAG_LEAVE, pointer, gameObject, target);
input.target = dropZones[0];
gameObject.emit(Events.GAMEOBJECT_DRAG_ENTER, pointer, input.target);
target = input.target;
this.emit(Events.DRAG_ENTER, pointer, gameObject, input.target);
gameObject.emit(Events.GAMEOBJECT_DRAG_ENTER, pointer, target);
this.emit(Events.DRAG_ENTER, pointer, gameObject, target);
}
else
{
// Nope, we've moved on (or the target has!), leave the old target
gameObject.emit(Events.GAMEOBJECT_DRAG_LEAVE, pointer, input.target);
gameObject.emit(Events.GAMEOBJECT_DRAG_LEAVE, pointer, target);
this.emit(Events.DRAG_LEAVE, pointer, gameObject, input.target);
this.emit(Events.DRAG_LEAVE, pointer, gameObject, target);
// Anything new to replace it?
// Yup!
@ -1161,9 +1167,11 @@ var InputPlugin = new Class({
{
input.target = dropZones[0];
gameObject.emit(Events.GAMEOBJECT_DRAG_ENTER, pointer, input.target);
target = input.target;
this.emit(Events.DRAG_ENTER, pointer, gameObject, input.target);
gameObject.emit(Events.GAMEOBJECT_DRAG_ENTER, pointer, target);
this.emit(Events.DRAG_ENTER, pointer, gameObject, target);
}
else
{
@ -1172,13 +1180,15 @@ var InputPlugin = new Class({
}
}
}
else if (!input.target && dropZones[0])
else if (!target && dropZones[0])
{
input.target = dropZones[0];
gameObject.emit(Events.GAMEOBJECT_DRAG_ENTER, pointer, input.target);
target = input.target;
this.emit(Events.DRAG_ENTER, pointer, gameObject, input.target);
gameObject.emit(Events.GAMEOBJECT_DRAG_ENTER, pointer, target);
this.emit(Events.DRAG_ENTER, pointer, gameObject, target);
}
var dragX = pointer.x - gameObject.input.dragX;
@ -1203,7 +1213,7 @@ var InputPlugin = new Class({
input = gameObject.input;
if (input.dragState === 2)
if (input && input.dragState === 2)
{
input.dragState = 0;
@ -1212,11 +1222,13 @@ var InputPlugin = new Class({
var dropped = false;
if (input.target)
{
gameObject.emit(Events.GAMEOBJECT_DROP, pointer, input.target);
target = input.target;
this.emit(Events.DROP, pointer, gameObject, input.target);
if (target)
{
gameObject.emit(Events.GAMEOBJECT_DROP, pointer, target);
this.emit(Events.DROP, pointer, gameObject, target);
input.target = null;
@ -1225,9 +1237,12 @@ var InputPlugin = new Class({
// And finally the dragend event
gameObject.emit(Events.GAMEOBJECT_DRAG_END, pointer, input.dragX, input.dragY, dropped);
if (gameObject.input)
{
gameObject.emit(Events.GAMEOBJECT_DRAG_END, pointer, input.dragX, input.dragY, dropped);
this.emit(Events.DRAG_END, pointer, gameObject, dropped);
this.emit(Events.DRAG_END, pointer, gameObject, dropped);
}
}
}
@ -1279,7 +1294,7 @@ var InputPlugin = new Class({
gameObject.emit(Events.GAMEOBJECT_POINTER_MOVE, pointer, gameObject.input.localX, gameObject.input.localY, _eventContainer);
if (_eventData.cancelled)
if (_eventData.cancelled || !gameObject.input)
{
aborted = true;
break;
@ -1287,7 +1302,7 @@ var InputPlugin = new Class({
this.emit(Events.GAMEOBJECT_MOVE, pointer, gameObject, _eventContainer);
if (_eventData.cancelled)
if (_eventData.cancelled || !gameObject.input)
{
aborted = true;
break;
@ -1405,7 +1420,7 @@ var InputPlugin = new Class({
totalInteracted++;
if (_eventData.cancelled)
if (_eventData.cancelled || !gameObject.input)
{
aborted = true;
break;
@ -1413,7 +1428,7 @@ var InputPlugin = new Class({
this.emit(Events.GAMEOBJECT_OUT, pointer, gameObject, _eventContainer);
if (_eventData.cancelled)
if (_eventData.cancelled || !gameObject.input)
{
aborted = true;
break;
@ -1453,7 +1468,7 @@ var InputPlugin = new Class({
totalInteracted++;
if (_eventData.cancelled)
if (_eventData.cancelled || !gameObject.input)
{
aborted = true;
break;
@ -1461,7 +1476,7 @@ var InputPlugin = new Class({
this.emit(Events.GAMEOBJECT_OVER, pointer, gameObject, _eventContainer);
if (_eventData.cancelled)
if (_eventData.cancelled || !gameObject.input)
{
aborted = true;
break;
@ -1521,15 +1536,15 @@ var InputPlugin = new Class({
gameObject.emit(Events.GAMEOBJECT_POINTER_UP, pointer, gameObject.input.localX, gameObject.input.localY, _eventContainer);
// Clear over and emit 'pointerout' on touch.
if (pointer.wasTouch)
// Clear over and emit 'pointerout' on touch.
if (pointer.wasTouch && gameObject.input)
{
this._over[pointer.id] = [];
gameObject.emit(Events.GAMEOBJECT_POINTER_OUT, pointer, gameObject.input.localX, gameObject.input.localY, _eventContainer);
}
if (_eventData.cancelled)
if (_eventData.cancelled || !gameObject.input)
{
aborted = true;
break;
@ -1537,7 +1552,7 @@ var InputPlugin = new Class({
this.emit(Events.GAMEOBJECT_UP, pointer, gameObject, _eventContainer);
if (_eventData.cancelled)
if (_eventData.cancelled || !gameObject.input)
{
aborted = true;
break;