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Avoid overflow when calculating visible_cells

This commit is contained in:
Patrick Dawson 2020-07-13 01:39:39 +02:00
parent f10f76d95d
commit 9e28df22a0
1 changed files with 1 additions and 1 deletions
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2
scene/resources/world_2d.cpp
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@ -211,7 +211,7 @@ struct SpatialIndexer2D {
List<VisibilityNotifier2D *> added; List<VisibilityNotifier2D *> added;
List<VisibilityNotifier2D *> removed; List<VisibilityNotifier2D *> removed;
int visible_cells = (end.x - begin.x) * (end.y - begin.y); uint64_t visible_cells = (uint64_t)(end.x - begin.x) * (uint64_t)(end.y - begin.y);
if (visible_cells > 10000) { if (visible_cells > 10000) {
//well you zoomed out a lot, it's your problem. To avoid freezing in the for loops below, we'll manually check cell by cell //well you zoomed out a lot, it's your problem. To avoid freezing in the for loops below, we'll manually check cell by cell