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-rw-r--r--scene/resources/bit_mask.cpp37
-rw-r--r--scene/resources/bit_mask.h2
2 files changed, 39 insertions, 0 deletions
diff --git a/scene/resources/bit_mask.cpp b/scene/resources/bit_mask.cpp
index 85e36abf4e..af67daf455 100644
--- a/scene/resources/bit_mask.cpp
+++ b/scene/resources/bit_mask.cpp
@@ -442,7 +442,9 @@ Vector<Vector<Vector2> > BitMap::clip_opaque_to_polygons(const Rect2 &p_rect, fl
Rect2i r = Rect2i(0, 0, width, height).clip(p_rect);
+#ifdef DEBUG_ENABLED
print_line("Rect: " + r);
+#endif
Point2i from;
Ref<BitMap> fill;
fill.instance();
@@ -454,9 +456,13 @@ Vector<Vector<Vector2> > BitMap::clip_opaque_to_polygons(const Rect2 &p_rect, fl
if (!fill->get_bit(Point2(j, i)) && get_bit(Point2(j, i))) {
Vector<Vector2> polygon = _march_square(r, Point2i(j, i));
+#ifdef DEBUG_ENABLED
print_line("pre reduce: " + itos(polygon.size()));
+#endif
polygon = reduce(polygon, r, p_epsilon);
+#ifdef DEBUG_ENABLED
print_line("post reduce: " + itos(polygon.size()));
+#endif
polygons.push_back(polygon);
fill_bits(this, fill, Point2i(j, i), r);
}
@@ -510,6 +516,34 @@ void BitMap::grow_mask(int p_pixels, const Rect2 &p_rect) {
}
}
+Array BitMap::_opaque_to_polygons_bind(const Rect2 &p_rect, float p_epsilon) const {
+
+ Vector<Vector<Vector2> > result = clip_opaque_to_polygons(p_rect, p_epsilon);
+
+ // Convert result to bindable types
+
+ Array result_array;
+ result_array.resize(result.size());
+ for (int i = 0; i < result.size(); i++) {
+
+ const Vector<Vector2> &polygon = result[i];
+
+ PoolVector2Array polygon_array;
+ polygon_array.resize(polygon.size());
+
+ {
+ PoolVector2Array::Write w = polygon_array.write();
+ for (int j = 0; j < polygon.size(); j++) {
+ w[j] = polygon[j];
+ }
+ }
+
+ result_array[i] = polygon_array;
+ }
+
+ return result_array;
+}
+
void BitMap::_bind_methods() {
ClassDB::bind_method(D_METHOD("create", "size"), &BitMap::create);
@@ -526,6 +560,9 @@ void BitMap::_bind_methods() {
ClassDB::bind_method(D_METHOD("_set_data"), &BitMap::_set_data);
ClassDB::bind_method(D_METHOD("_get_data"), &BitMap::_get_data);
+ ClassDB::bind_method(D_METHOD("grow_mask", "pixels", "rect"), &BitMap::grow_mask);
+ ClassDB::bind_method(D_METHOD("opaque_to_polygons", "rect", "epsilon"), &BitMap::_opaque_to_polygons_bind, DEFVAL(2.0));
+
ADD_PROPERTY(PropertyInfo(Variant::DICTIONARY, "data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "_set_data", "_get_data");
}
diff --git a/scene/resources/bit_mask.h b/scene/resources/bit_mask.h
index dcd5edb4fb..40f0bfb04a 100644
--- a/scene/resources/bit_mask.h
+++ b/scene/resources/bit_mask.h
@@ -46,6 +46,8 @@ class BitMap : public Resource {
Vector<Vector2> _march_square(const Rect2i &rect, const Point2i &start) const;
+ Array _opaque_to_polygons_bind(const Rect2 &p_rect, float p_epsilon) const;
+
protected:
void _set_data(const Dictionary &p_d);
Dictionary _get_data() const;