mirror of https://github.com/OpenRCT2/OpenRCT2.git
fix #3294: crash when closing a window being dragged
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@ -535,7 +535,13 @@ static void input_viewport_drag_continue()
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dx = newDragX - gInputDragLastX;
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dy = newDragY - gInputDragLastY;
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w = window_find_by_number(_dragWidget.window_classification, _dragWidget.window_number);
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assert(w != NULL);
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// #3294: Window can be closed during a drag session, so just finish
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// the session if the window no longer exists
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if (w == NULL) {
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input_viewport_drag_end();
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return;
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}
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viewport = w->viewport;
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_ticksSinceDragStart += RCT2_GLOBAL(RCT2_ADDRESS_TICKS_SINCE_LAST_UPDATE, sint16);
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