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Minesweeper: updated flood_fill to use Queue

This commit is contained in:
Drew Stratford 2019-07-30 02:00:55 +12:00 committed by Andreas Kling
parent 77cb83b629
commit 6b757a152a

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@ -1,6 +1,6 @@
#include "Field.h"
#include <AK/HashTable.h>
#include <AK/DoublyLinkedList.h>
#include <AK/Queue.h>
#include <LibCore/CConfigFile.h>
#include <LibGUI/GButton.h>
#include <LibGUI/GLabel.h>
@ -293,14 +293,15 @@ void Field::flood_mark(Square& square)
void Field::flood_fill(Square& square)
{
DoublyLinkedList<Square*> queue;
queue.append(&square);
Queue<Square*> queue;
queue.enqueue(&square);
for (auto s : queue) {
while(!queue.is_empty()) {
Square *s = queue.dequeue();
s->for_each_neighbor([this, &queue](Square& neighbor) {
if (!neighbor.is_swept && !neighbor.has_mine && neighbor.number == 0) {
flood_mark(neighbor);
queue.append(&neighbor);
queue.enqueue(&neighbor);
}
if (!neighbor.has_mine && neighbor.number)
flood_mark(neighbor);