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Adds the ability to draw parent-children relationship lines in scene tree editor

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Can be turned on/off in editor settings + line color change available as
well
This commit is contained in:
UgisBrekis
2016-06-15 18:10:19 +01:00
parent 367aabf030
commit d97e46ffb6
6 changed files with 45 additions and 8 deletions
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17
scene/gui/tree.cpp
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@@ -811,6 +811,8 @@ void Tree::update_cache() {
cache.item_margin=get_constant("item_margin");
cache.button_margin=get_constant("button_margin");
cache.guide_width=get_constant("guide_width");
cache.draw_relationship_lines=get_constant("draw_relationship_lines");
cache.relationship_line_color=get_color("relationship_line_color");
cache.title_button = get_stylebox("title_button_normal");
cache.title_button_pressed = get_stylebox("title_button_pressed");
@@ -1295,9 +1297,21 @@ int Tree::draw_item(const Point2i& p_pos,const Point2& p_draw_ofs, const Size2&
while (c) {
if (cache.draw_relationship_lines == 1){
int root_ofs = children_pos.x + (hide_folding?cache.hseparation:cache.item_margin);
int parent_ofs = p_pos.x + (hide_folding?cache.hseparation:cache.item_margin);
Point2i root_pos = Point2i(root_ofs, children_pos.y + label_h/2)-cache.offset+p_draw_ofs;
if (c->get_children() > 0)
root_pos -= Point2i(cache.arrow->get_width(),0);
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, root_pos.y), cache.relationship_line_color);
VisualServer::get_singleton()->canvas_item_add_line(ci, Point2i(parent_pos.x, root_pos.y), parent_pos, cache.relationship_line_color);
}
int child_h=draw_item(children_pos, p_draw_ofs, p_draw_size, c );
if (child_h<0)
if (child_h<0 && cache.draw_relationship_lines == 0)
return -1; // break, stop drawing, no need to anymore
htotal+=child_h;
@@ -3674,4 +3688,3 @@ Tree::~Tree() {
}
}