TileSet Editor: Check polygon size before indexing

Fixes #39722.

(cherry picked from commit 6f428f2494)
This commit is contained in:
Rémi Verschelde 2020-07-21 08:05:51 +02:00
parent 7078d33fa1
commit 925371d08f

View file

@ -2000,7 +2000,7 @@ void TileSetEditor::_set_edited_shape_points(const Vector<Vector2> &points) {
if (convex.is_valid()) {
undo_redo->add_do_method(convex.ptr(), "set_points", points);
undo_redo->add_undo_method(convex.ptr(), "set_points", _get_edited_shape_points());
} else if (concave.is_valid()) {
} else if (concave.is_valid() && points.size() > 1) {
PoolVector2Array segments;
for (int i = 0; i < points.size() - 1; i++) {
segments.push_back(points[i]);
@ -2681,7 +2681,7 @@ void TileSetEditor::draw_polygon_shapes() {
workspace->draw_polygon(polygon, colors);
if (coord == edited_shape_coord || tileset->tile_get_tile_mode(get_current_tile()) == TileSet::SINGLE_TILE) {
if (!creating_shape) {
if (!creating_shape && polygon.size() > 1) {
for (int j = 0; j < polygon.size() - 1; j++) {
workspace->draw_line(polygon[j], polygon[j + 1], c_border, 1, true);
}
@ -2718,13 +2718,11 @@ void TileSetEditor::draw_polygon_shapes() {
}
workspace->draw_polygon(polygon, colors);
if (!creating_shape) {
if (polygon.size() > 1) {
for (int j = 0; j < polygon.size() - 1; j++) {
workspace->draw_line(polygon[j], polygon[j + 1], c_border, 1, true);
}
workspace->draw_line(polygon[polygon.size() - 1], polygon[0], c_border, 1, true);
if (!creating_shape && polygon.size() > 1) {
for (int j = 0; j < polygon.size() - 1; j++) {
workspace->draw_line(polygon[j], polygon[j + 1], c_border, 1, true);
}
workspace->draw_line(polygon[polygon.size() - 1], polygon[0], c_border, 1, true);
}
if (shape == edited_occlusion_shape) {
draw_handles = true;
@ -2768,7 +2766,7 @@ void TileSetEditor::draw_polygon_shapes() {
workspace->draw_polygon(polygon, colors);
if (coord == edited_shape_coord) {
if (!creating_shape) {
if (!creating_shape && polygon.size() > 1) {
for (int j = 0; j < polygon.size() - 1; j++) {
workspace->draw_line(polygon[j], polygon[j + 1], c_border, 1, true);
}
@ -2808,7 +2806,7 @@ void TileSetEditor::draw_polygon_shapes() {
}
workspace->draw_polygon(polygon, colors);
if (!creating_shape) {
if (!creating_shape && polygon.size() > 1) {
for (int j = 0; j < polygon.size() - 1; j++) {
workspace->draw_line(polygon[j], polygon[j + 1], c_border, 1, true);
}
@ -2857,7 +2855,7 @@ void TileSetEditor::draw_polygon_shapes() {
workspace->draw_polygon(polygon, colors);
if (coord == edited_shape_coord) {
if (!creating_shape) {
if (!creating_shape && polygon.size() > 1) {
for (int j = 0; j < polygon.size() - 1; j++) {
workspace->draw_line(polygon[j], polygon[j + 1], c_border, 1, true);
}
@ -2875,7 +2873,7 @@ void TileSetEditor::draw_polygon_shapes() {
}
}
if (creating_shape) {
if (creating_shape && current_shape.size() > 1) {
for (int j = 0; j < current_shape.size() - 1; j++) {
workspace->draw_line(current_shape[j], current_shape[j + 1], Color(0, 1, 1), 1, true);
}