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Tree: only draw visible relationship lines

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This commit is contained in:
Bernhard Liebl 2018-01-04 10:03:46 +01:00
parent 2488aff93f
commit e9aa6f2943
1 changed files with 23 additions and 7 deletions
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30
scene/gui/tree.cpp
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@ -1423,17 +1423,33 @@ int Tree::draw_item(const Point2i &p_pos, const Point2 &p_draw_ofs, const Size2
#endif
Point2i parent_pos = Point2i(parent_ofs - cache.arrow->get_width() / 2, p_pos.y + label_h / 2 + cache.arrow->get_height() / 2) - cache.offset + p_draw_ofs;
VisualServer::get_singleton()->canvas_item_add_line(ci, root_pos, Point2i(parent_pos.x - Math::floor(line_width / 2), root_pos.y), cache.relationship_line_color, line_width);
VisualServer::get_singleton()->canvas_item_add_line(ci, Point2i(parent_pos.x, root_pos.y), parent_pos, cache.relationship_line_color, line_width);
if (root_pos.y + line_width >= 0) {
VisualServer::get_singleton()->canvas_item_add_line(ci, root_pos, Point2i(parent_pos.x - Math::floor(line_width / 2), root_pos.y), cache.relationship_line_color, line_width);
VisualServer::get_singleton()->canvas_item_add_line(ci, Point2i(parent_pos.x, root_pos.y), parent_pos, cache.relationship_line_color, line_width);
}
if (htotal < 0) {
return -1;
}
}
int child_h = draw_item(children_pos, p_draw_ofs, p_draw_size, c);
if (htotal >= 0) {
int child_h = draw_item(children_pos, p_draw_ofs, p_draw_size, c);
if (child_h < 0 && cache.draw_relationship_lines == 0)
return -1; // break, stop drawing, no need to anymore
if (child_h < 0) {
if (cache.draw_relationship_lines == 0) {
return -1; // break, stop drawing, no need to anymore
} else {
htotal = -1;
children_pos.y = cache.offset.y + p_draw_size.height;
}
} else {
htotal += child_h;
children_pos.y += child_h;
}
}
htotal += child_h;
children_pos.y += child_h;
c = c->next;
}
}