Merge pull request #56796 from kleonc/atlas_texture_nesting_fix

Fix `AtlasTexture` nesting

editor/plugins/sprite_frames_editor_plugin.cpp

@@ -222,28 +222,14 @@ void SpriteFramesEditor::_sheet_add_frames() {
 
 	int fc = frames->get_frame_count(edited_anim);
 
-	Point2 src_origin;
-	Rect2 src_region(Point2(), texture_size);
-
-	AtlasTexture *src_atlas = Object::cast_to<AtlasTexture>(*split_sheet_preview->get_texture());
-	if (src_atlas && src_atlas->get_atlas().is_valid()) {
-		src_origin = src_atlas->get_region().position - src_atlas->get_margin().position;
-		src_region = src_atlas->get_region();
-	}
-
 	for (Set<int>::Element *E = frames_selected.front(); E; E = E->next()) {
 		int idx = E->get();
 		Point2 frame_coords(idx % frame_count_x, idx / frame_count_x);
 
-		Rect2 frame(frame_coords * frame_size + src_origin, frame_size);
-		Rect2 region = frame.intersection(src_region);
-		Rect2 margin(region == Rect2() ? Point2() : region.position - frame.position, frame.size - region.size);
-
 		Ref<AtlasTexture> at;
 		at.instantiate();
 		at->set_atlas(split_sheet_preview->get_texture());
-		at->set_region(region);
-		at->set_margin(margin);
+		at->set_region(Rect2(frame_coords * frame_size, frame_size));
 
 		undo_redo->add_do_method(frames, "add_frame", edited_anim, at, -1);
 		undo_redo->add_undo_method(frames, "remove_frame", edited_anim, fc);

scene/resources/texture.cpp

@@ -1156,7 +1156,7 @@ void AtlasTexture::draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_m
 		rc.size.height = atlas->get_height();
 	}
 
-	RS::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, Rect2(p_pos + margin.position, rc.size), atlas->get_rid(), rc, p_modulate, p_transpose, filter_clip);
+	atlas->draw_rect_region(p_canvas_item, Rect2(p_pos + margin.position, rc.size), rc, p_modulate, p_transpose, filter_clip);
 }
 
 void AtlasTexture::draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile, const Color &p_modulate, bool p_transpose) const {
@@ -1177,7 +1177,7 @@ void AtlasTexture::draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile
 	Vector2 scale = p_rect.size / (region.size + margin.size);
 	Rect2 dr(p_rect.position + margin.position * scale, rc.size * scale);
 
-	RS::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, dr, atlas->get_rid(), rc, p_modulate, p_transpose, filter_clip);
+	atlas->draw_rect_region(p_canvas_item, dr, rc, p_modulate, p_transpose, filter_clip);
 }
 
 void AtlasTexture::draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose, bool p_clip_uv) const {
@@ -1190,7 +1190,7 @@ void AtlasTexture::draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, cons
 	Rect2 src_c;
 	get_rect_region(p_rect, p_src_rect, dr, src_c);
 
-	RS::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, dr, atlas->get_rid(), src_c, p_modulate, p_transpose, filter_clip);
+	atlas->draw_rect_region(p_canvas_item, dr, src_c, p_modulate, p_transpose, filter_clip);
 }
 
 bool AtlasTexture::get_rect_region(const Rect2 &p_rect, const Rect2 &p_src_rect, Rect2 &r_rect, Rect2 &r_src_rect) const {