Beispiel #1
0
bool GraphEdit::_filter_input(const Point2 &p_point) {

	Ref<Texture> port = get_icon("port", "GraphNode");

	for (int i = get_child_count() - 1; i >= 0; i--) {

		GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
		if (!gn)
			continue;

		for (int j = 0; j < gn->get_connection_output_count(); j++) {

			Vector2 pos = gn->get_connection_output_position(j) + gn->get_position();
			if (is_in_hot_zone(pos, p_point))
				return true;
		}

		for (int j = 0; j < gn->get_connection_input_count(); j++) {

			Vector2 pos = gn->get_connection_input_position(j) + gn->get_position();
			if (is_in_hot_zone(pos, p_point)) {
				return true;
			}
		}
	}

	return false;
}
Beispiel #2
0
void GraphEdit::_top_layer_draw() {

	_update_scroll();

	if (connecting) {

		Node *fromn = get_node(connecting_from);
		ERR_FAIL_COND(!fromn);
		GraphNode *from = Object::cast_to<GraphNode>(fromn);
		ERR_FAIL_COND(!from);
		Vector2 pos;
		if (connecting_out)
			pos = from->get_connection_output_position(connecting_index);
		else
			pos = from->get_connection_input_position(connecting_index);
		pos += from->get_position();

		Vector2 topos;
		topos = connecting_to;

		Color col = connecting_color;

		if (connecting_target) {
			col.r += 0.4;
			col.g += 0.4;
			col.b += 0.4;
		}

		if (!connecting_out) {
			SWAP(pos, topos);
		}
		_draw_cos_line(top_layer, pos, topos, col, col);
	}

	if (box_selecting)
		top_layer->draw_rect(box_selecting_rect, Color(0.7, 0.7, 1.0, 0.3));
}
Beispiel #3
0
void GraphEdit::_top_layer_input(const Ref<InputEvent> &p_ev) {

	Ref<InputEventMouseButton> mb = p_ev;
	if (mb.is_valid() && mb->get_button_index() == BUTTON_LEFT && mb->is_pressed()) {

		Ref<Texture> port = get_icon("port", "GraphNode");
		Vector2 mpos(mb->get_position().x, mb->get_position().y);
		for (int i = get_child_count() - 1; i >= 0; i--) {

			GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
			if (!gn)
				continue;

			for (int j = 0; j < gn->get_connection_output_count(); j++) {

				Vector2 pos = gn->get_connection_output_position(j) + gn->get_position();
				if (is_in_hot_zone(pos, mpos)) {

					if (valid_left_disconnect_types.has(gn->get_connection_output_type(j))) {
						//check disconnect
						for (List<Connection>::Element *E = connections.front(); E; E = E->next()) {

							if (E->get().from == gn->get_name() && E->get().from_port == j) {

								Node *to = get_node(String(E->get().to));
								if (Object::cast_to<GraphNode>(to)) {

									connecting_from = E->get().to;
									connecting_index = E->get().to_port;
									connecting_out = false;
									connecting_type = Object::cast_to<GraphNode>(to)->get_connection_input_type(E->get().to_port);
									connecting_color = Object::cast_to<GraphNode>(to)->get_connection_input_color(E->get().to_port);
									connecting_target = false;
									connecting_to = pos;
									just_disconnected = true;

									emit_signal("disconnection_request", E->get().from, E->get().from_port, E->get().to, E->get().to_port);
									to = get_node(String(connecting_from)); //maybe it was erased
									if (Object::cast_to<GraphNode>(to)) {
										connecting = true;
									}
									return;
								}
							}
						}
					}

					connecting = true;
					connecting_from = gn->get_name();
					connecting_index = j;
					connecting_out = true;
					connecting_type = gn->get_connection_output_type(j);
					connecting_color = gn->get_connection_output_color(j);
					connecting_target = false;
					connecting_to = pos;
					just_disconnected = false;
					return;
				}
			}

			for (int j = 0; j < gn->get_connection_input_count(); j++) {

				Vector2 pos = gn->get_connection_input_position(j) + gn->get_position();
				if (is_in_hot_zone(pos, mpos)) {

					if (right_disconnects || valid_right_disconnect_types.has(gn->get_connection_input_type(j))) {
						//check disconnect
						for (List<Connection>::Element *E = connections.front(); E; E = E->next()) {

							if (E->get().to == gn->get_name() && E->get().to_port == j) {

								Node *fr = get_node(String(E->get().from));
								if (Object::cast_to<GraphNode>(fr)) {

									connecting_from = E->get().from;
									connecting_index = E->get().from_port;
									connecting_out = true;
									connecting_type = Object::cast_to<GraphNode>(fr)->get_connection_output_type(E->get().from_port);
									connecting_color = Object::cast_to<GraphNode>(fr)->get_connection_output_color(E->get().from_port);
									connecting_target = false;
									connecting_to = pos;
									just_disconnected = true;

									emit_signal("disconnection_request", E->get().from, E->get().from_port, E->get().to, E->get().to_port);
									fr = get_node(String(connecting_from)); //maybe it was erased
									if (Object::cast_to<GraphNode>(fr)) {
										connecting = true;
									}
									return;
								}
							}
						}
					}

					connecting = true;
					connecting_from = gn->get_name();
					connecting_index = j;
					connecting_out = false;
					connecting_type = gn->get_connection_input_type(j);
					connecting_color = gn->get_connection_input_color(j);
					connecting_target = false;
					connecting_to = pos;
					just_disconnected = true;

					return;
				}
			}
		}
	}

	Ref<InputEventMouseMotion> mm = p_ev;
	if (mm.is_valid() && connecting) {

		connecting_to = mm->get_position();
		connecting_target = false;
		top_layer->update();

		Ref<Texture> port = get_icon("port", "GraphNode");
		Vector2 mpos = mm->get_position();
		for (int i = get_child_count() - 1; i >= 0; i--) {

			GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
			if (!gn)
				continue;

			if (!connecting_out) {
				for (int j = 0; j < gn->get_connection_output_count(); j++) {

					Vector2 pos = gn->get_connection_output_position(j) + gn->get_position();
					int type = gn->get_connection_output_type(j);
					if ((type == connecting_type || valid_connection_types.has(ConnType(type, connecting_type))) && is_in_hot_zone(pos, mpos)) {

						connecting_target = true;
						connecting_to = pos;
						connecting_target_to = gn->get_name();
						connecting_target_index = j;
						return;
					}
				}
			} else {

				for (int j = 0; j < gn->get_connection_input_count(); j++) {

					Vector2 pos = gn->get_connection_input_position(j) + gn->get_position();
					int type = gn->get_connection_input_type(j);
					if ((type == connecting_type || valid_connection_types.has(ConnType(type, connecting_type))) && is_in_hot_zone(pos, mpos)) {
						connecting_target = true;
						connecting_to = pos;
						connecting_target_to = gn->get_name();
						connecting_target_index = j;
						return;
					}
				}
			}
		}
	}

	if (mb.is_valid() && mb->get_button_index() == BUTTON_LEFT && !mb->is_pressed()) {

		if (connecting && connecting_target) {

			String from = connecting_from;
			int from_slot = connecting_index;
			String to = connecting_target_to;
			int to_slot = connecting_target_index;

			if (!connecting_out) {
				SWAP(from, to);
				SWAP(from_slot, to_slot);
			}
			emit_signal("connection_request", from, from_slot, to, to_slot);

		} else if (!just_disconnected) {
			String from = connecting_from;
			int from_slot = connecting_index;
			Vector2 ofs = Vector2(mb->get_position().x, mb->get_position().y);
			emit_signal("connection_to_empty", from, from_slot, ofs);
		}
		connecting = false;
		top_layer->update();
		update();
		connections_layer->update();
	}
}