Example #1
0
int BroadPhase2DBasic::cull_aabb(const Rect2 &p_aabb, CollisionObject2DSW **p_results, int p_max_results, int *p_result_indices) {

	int rc = 0;

	for (Map<ID, Element>::Element *E = element_map.front(); E; E = E->next()) {

		const Rect2 aabb = E->get().aabb;
		if (aabb.intersects(p_aabb)) {

			p_results[rc] = E->get().owner;
			p_result_indices[rc] = E->get().subindex;
			rc++;
			if (rc >= p_max_results)
				break;
		}
	}

	return rc;
}
int BroadPhase2DHashGrid::cull_aabb(const Rect2 &p_aabb, CollisionObject2DSW **p_results, int p_max_results, int *p_result_indices) {

	pass++;

	Point2i from = (p_aabb.position / cell_size).floor();
	Point2i to = ((p_aabb.position + p_aabb.size) / cell_size).floor();
	int cullcount = 0;

	for (int i = from.x; i <= to.x; i++) {

		for (int j = from.y; j <= to.y; j++) {

			_cull<true, false>(Point2i(i, j), p_aabb, Point2(), Point2(), p_results, p_max_results, p_result_indices, cullcount);
		}
	}

	for (Map<Element *, RC>::Element *E = large_elements.front(); E; E = E->next()) {

		if (cullcount >= p_max_results)
			break;
		if (E->key()->pass == pass)
			continue;

		E->key()->pass = pass;

		if (!p_aabb.intersects(E->key()->aabb))
			continue;

		/*
		if (!E->key()->aabb.intersects_segment(p_from,p_to))
			continue;
		*/

		p_results[cullcount] = E->key()->owner;
		p_result_indices[cullcount] = E->key()->subindex;
		cullcount++;
	}
	return cullcount;
}
Example #3
0
void LargeTexture::draw_rect_region(RID p_canvas_item,const Rect2& p_rect, const Rect2& p_src_rect,const Color& p_modulate, bool p_transpose) const {


	//tiling not supported for this
	if (p_src_rect.size.x==0 || p_src_rect.size.y==0)
		return;

	Size2 scale = p_rect.size/p_src_rect.size;

	for(int i=0;i<pieces.size();i++) {

		// TODO
		Rect2 rect( pieces[i].offset, pieces[i].texture->get_size());
		if (!p_src_rect.intersects(rect))
			continue;
		Rect2 local = p_src_rect.clip(rect);
		Rect2 target = local;
		target.size*=scale;
		target.pos=p_rect.pos+(p_src_rect.pos+rect.pos)*scale;
		local.pos-=rect.pos;
		pieces[i].texture->draw_rect_region(p_canvas_item,target,local,p_modulate,p_transpose);
	}

}
void BroadPhase2DHashGrid::_cull(const Point2i p_cell,const Rect2& p_aabb,const Point2& p_from, const Point2& p_to,CollisionObject2DSW** p_results,int p_max_results,int *p_result_indices,int &index) {


	PosKey pk;
	pk.x=p_cell.x;
	pk.y=p_cell.y;

	uint32_t idx = pk.hash() % hash_table_size;
	PosBin *pb = hash_table[idx];

	while (pb) {

		if (pb->key == pk) {
			break;
		}

		pb=pb->next;
	}

	if (!pb)
		return;



	for(Map<Element*,RC>::Element *E=pb->object_set.front();E;E=E->next()) {


		if (index>=p_max_results)
			break;
		if (E->key()->pass==pass)
			continue;

		E->key()->pass=pass;

		if (use_aabb && !p_aabb.intersects(E->key()->aabb))
			continue;

		if (use_segment && !E->key()->aabb.intersects_segment(p_from,p_to))
			continue;

		p_results[index]=E->key()->owner;
		p_result_indices[index]=E->key()->subindex;
		index++;


	}

	for(Map<Element*,RC>::Element *E=pb->static_object_set.front();E;E=E->next()) {


		if (index>=p_max_results)
			break;
		if (E->key()->pass==pass)
			continue;

		if (use_aabb && !p_aabb.intersects(E->key()->aabb)) {
			continue;
		}

		if (use_segment && !E->key()->aabb.intersects_segment(p_from,p_to))
			continue;

		E->key()->pass=pass;
		p_results[index]=E->key()->owner;
		p_result_indices[index]=E->key()->subindex;
		index++;

	}
}
Example #5
0
void VisualServerCanvas::_render_canvas_item(Item *p_canvas_item, const Transform2D &p_transform, const Rect2 &p_clip_rect, const Color &p_modulate, int p_z, RasterizerCanvas::Item **z_list, RasterizerCanvas::Item **z_last_list, Item *p_canvas_clip, Item *p_material_owner) {

	Item *ci = p_canvas_item;

	if (!ci->visible)
		return;

	Rect2 rect = ci->get_rect();
	Transform2D xform = p_transform * ci->xform;
	Rect2 global_rect = xform.xform(rect);
	global_rect.pos += p_clip_rect.pos;

	if (ci->use_parent_material && p_material_owner)
		ci->material_owner = p_material_owner;
	else {
		p_material_owner = ci;
		ci->material_owner = NULL;
	}

	Color modulate(ci->modulate.r * p_modulate.r, ci->modulate.g * p_modulate.g, ci->modulate.b * p_modulate.b, ci->modulate.a * p_modulate.a);

	if (modulate.a < 0.007)
		return;

	int child_item_count = ci->child_items.size();
	Item **child_items = (Item **)alloca(child_item_count * sizeof(Item *));
	copymem(child_items, ci->child_items.ptr(), child_item_count * sizeof(Item *));

	if (ci->clip) {
		if (p_canvas_clip != NULL) {
			ci->final_clip_rect = p_canvas_clip->final_clip_rect.clip(global_rect);
		} else {
			ci->final_clip_rect = global_rect;
		}
		ci->final_clip_owner = ci;

	} else {
		ci->final_clip_owner = p_canvas_clip;
	}

	if (ci->sort_y) {

		SortArray<Item *, ItemPtrSort> sorter;
		sorter.sort(child_items, child_item_count);
	}

	if (ci->z_relative)
		p_z = CLAMP(p_z + ci->z, VS::CANVAS_ITEM_Z_MIN, VS::CANVAS_ITEM_Z_MAX);
	else
		p_z = ci->z;

	for (int i = 0; i < child_item_count; i++) {

		if (!child_items[i]->behind)
			continue;
		_render_canvas_item(child_items[i], xform, p_clip_rect, modulate, p_z, z_list, z_last_list, (Item *)ci->final_clip_owner, p_material_owner);
	}

	if (ci->copy_back_buffer) {

		ci->copy_back_buffer->screen_rect = xform.xform(ci->copy_back_buffer->rect).clip(p_clip_rect);
	}

	if ((!ci->commands.empty() && p_clip_rect.intersects(global_rect)) || ci->vp_render || ci->copy_back_buffer) {
		//something to draw?
		ci->final_transform = xform;
		ci->final_modulate = Color(modulate.r * ci->self_modulate.r, modulate.g * ci->self_modulate.g, modulate.b * ci->self_modulate.b, modulate.a * ci->self_modulate.a);
		ci->global_rect_cache = global_rect;
		ci->global_rect_cache.pos -= p_clip_rect.pos;
		ci->light_masked = false;

		int zidx = p_z - VS::CANVAS_ITEM_Z_MIN;

		if (z_last_list[zidx]) {
			z_last_list[zidx]->next = ci;
			z_last_list[zidx] = ci;

		} else {
			z_list[zidx] = ci;
			z_last_list[zidx] = ci;
		}

		ci->next = NULL;
	}

	for (int i = 0; i < child_item_count; i++) {

		if (child_items[i]->behind)
			continue;
		_render_canvas_item(child_items[i], xform, p_clip_rect, modulate, p_z, z_list, z_last_list, (Item *)ci->final_clip_owner, p_material_owner);
	}
}
Example #6
0
void GraphEdit::_gui_input(const Ref<InputEvent> &p_ev) {

	Ref<InputEventMouseMotion> mm = p_ev;
	if (mm.is_valid() && (mm->get_button_mask() & BUTTON_MASK_MIDDLE || (mm->get_button_mask() & BUTTON_MASK_LEFT && Input::get_singleton()->is_key_pressed(KEY_SPACE)))) {
		h_scroll->set_value(h_scroll->get_value() - mm->get_relative().x);
		v_scroll->set_value(v_scroll->get_value() - mm->get_relative().y);
	}

	if (mm.is_valid() && dragging) {

		just_selected = true;
		// TODO: Remove local mouse pos hack if/when InputEventMouseMotion is fixed to support floats
		//drag_accum+=Vector2(mm->get_relative().x,mm->get_relative().y);
		drag_accum = get_local_mouse_position() - drag_origin;
		for (int i = get_child_count() - 1; i >= 0; i--) {
			GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
			if (gn && gn->is_selected()) {

				Vector2 pos = (gn->get_drag_from() * zoom + drag_accum) / zoom;
				if (is_using_snap()) {
					int snap = get_snap();
					pos = pos.snapped(Vector2(snap, snap));
				}

				gn->set_offset(pos);
			}
		}
	}

	if (mm.is_valid() && box_selecting) {
		box_selecting_to = get_local_mouse_position();

		box_selecting_rect = Rect2(MIN(box_selecting_from.x, box_selecting_to.x),
				MIN(box_selecting_from.y, box_selecting_to.y),
				ABS(box_selecting_from.x - box_selecting_to.x),
				ABS(box_selecting_from.y - box_selecting_to.y));

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

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

			Rect2 r = gn->get_rect();
			r.size *= zoom;
			bool in_box = r.intersects(box_selecting_rect);

			if (in_box)
				gn->set_selected(box_selection_mode_aditive);
			else
				gn->set_selected(previus_selected.find(gn) != NULL);
		}

		top_layer->update();
	}

	Ref<InputEventMouseButton> b = p_ev;
	if (b.is_valid()) {

		if (b->get_button_index() == BUTTON_RIGHT && b->is_pressed()) {
			if (box_selecting) {
				box_selecting = false;
				for (int i = get_child_count() - 1; i >= 0; i--) {

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

					gn->set_selected(previus_selected.find(gn) != NULL);
				}
				top_layer->update();
			} else {
				if (connecting) {
					connecting = false;
					top_layer->update();
				} else {
					emit_signal("popup_request", b->get_global_position());
				}
			}
		}

		if (b->get_button_index() == BUTTON_LEFT && !b->is_pressed() && dragging) {
			if (!just_selected && drag_accum == Vector2() && Input::get_singleton()->is_key_pressed(KEY_CONTROL)) {
				//deselect current node
				for (int i = get_child_count() - 1; i >= 0; i--) {
					GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));

					if (gn) {
						Rect2 r = gn->get_rect();
						r.size *= zoom;
						if (r.has_point(get_local_mouse_position()))
							gn->set_selected(false);
					}
				}
			}

			if (drag_accum != Vector2()) {

				emit_signal("_begin_node_move");

				for (int i = get_child_count() - 1; i >= 0; i--) {
					GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
					if (gn && gn->is_selected())
						gn->set_drag(false);
				}

				emit_signal("_end_node_move");
			}

			dragging = false;

			top_layer->update();
			update();
			connections_layer->update();
		}

		if (b->get_button_index() == BUTTON_LEFT && b->is_pressed()) {

			GraphNode *gn = NULL;

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

				GraphNode *gn_selected = Object::cast_to<GraphNode>(get_child(i));

				if (gn_selected) {
					if (gn_selected->is_resizing())
						continue;

					if (gn_selected->has_point(gn_selected->get_local_mouse_position())) {
						gn = gn_selected;
						break;
					}
				}
			}

			if (gn) {

				if (_filter_input(b->get_position()))
					return;

				dragging = true;
				drag_accum = Vector2();
				drag_origin = get_local_mouse_position();
				just_selected = !gn->is_selected();
				if (!gn->is_selected() && !Input::get_singleton()->is_key_pressed(KEY_CONTROL)) {
					for (int i = 0; i < get_child_count(); i++) {
						GraphNode *o_gn = Object::cast_to<GraphNode>(get_child(i));
						if (o_gn)
							o_gn->set_selected(o_gn == gn);
					}
				}

				gn->set_selected(true);
				for (int i = 0; i < get_child_count(); i++) {
					GraphNode *o_gn = Object::cast_to<GraphNode>(get_child(i));
					if (!o_gn)
						continue;
					if (o_gn->is_selected())
						o_gn->set_drag(true);
				}

			} else {
				if (_filter_input(b->get_position()))
					return;
				if (Input::get_singleton()->is_key_pressed(KEY_SPACE))
					return;

				box_selecting = true;
				box_selecting_from = get_local_mouse_position();
				if (b->get_control()) {
					box_selection_mode_aditive = true;
					previus_selected.clear();
					for (int i = get_child_count() - 1; i >= 0; i--) {

						GraphNode *gn2 = Object::cast_to<GraphNode>(get_child(i));
						if (!gn2 || !gn2->is_selected())
							continue;

						previus_selected.push_back(gn2);
					}
				} else if (b->get_shift()) {
					box_selection_mode_aditive = false;
					previus_selected.clear();
					for (int i = get_child_count() - 1; i >= 0; i--) {

						GraphNode *gn2 = Object::cast_to<GraphNode>(get_child(i));
						if (!gn2 || !gn2->is_selected())
							continue;

						previus_selected.push_back(gn2);
					}
				} else {
					box_selection_mode_aditive = true;
					previus_selected.clear();
					for (int i = get_child_count() - 1; i >= 0; i--) {

						GraphNode *gn2 = Object::cast_to<GraphNode>(get_child(i));
						if (!gn2)
							continue;

						gn2->set_selected(false);
					}
				}
			}
		}

		if (b->get_button_index() == BUTTON_LEFT && !b->is_pressed() && box_selecting) {
			box_selecting = false;
			previus_selected.clear();
			top_layer->update();
		}

		if (b->get_button_index() == BUTTON_WHEEL_UP && b->is_pressed()) {
			//too difficult to get right
			//set_zoom(zoom*ZOOM_SCALE);
		}

		if (b->get_button_index() == BUTTON_WHEEL_DOWN && b->is_pressed()) {
			//too difficult to get right
			//set_zoom(zoom/ZOOM_SCALE);
		}
		if (b->get_button_index() == BUTTON_WHEEL_UP && !Input::get_singleton()->is_key_pressed(KEY_SHIFT)) {
			v_scroll->set_value(v_scroll->get_value() - v_scroll->get_page() * b->get_factor() / 8);
		}
		if (b->get_button_index() == BUTTON_WHEEL_DOWN && !Input::get_singleton()->is_key_pressed(KEY_SHIFT)) {
			v_scroll->set_value(v_scroll->get_value() + v_scroll->get_page() * b->get_factor() / 8);
		}
		if (b->get_button_index() == BUTTON_WHEEL_RIGHT || (b->get_button_index() == BUTTON_WHEEL_DOWN && Input::get_singleton()->is_key_pressed(KEY_SHIFT))) {
			h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() * b->get_factor() / 8);
		}
		if (b->get_button_index() == BUTTON_WHEEL_LEFT || (b->get_button_index() == BUTTON_WHEEL_UP && Input::get_singleton()->is_key_pressed(KEY_SHIFT))) {
			h_scroll->set_value(h_scroll->get_value() - h_scroll->get_page() * b->get_factor() / 8);
		}
	}

	Ref<InputEventKey> k = p_ev;
	if (k.is_valid() && k->get_scancode() == KEY_D && k->is_pressed() && k->get_command()) {
		emit_signal("duplicate_nodes_request");
		accept_event();
	}

	if (k.is_valid() && k->get_scancode() == KEY_DELETE && k->is_pressed()) {
		emit_signal("delete_nodes_request");
		accept_event();
	}

	Ref<InputEventMagnifyGesture> magnify_gesture = p_ev;
	if (magnify_gesture.is_valid()) {

		set_zoom_custom(zoom * magnify_gesture->get_factor(), magnify_gesture->get_position());
	}

	Ref<InputEventPanGesture> pan_gesture = p_ev;
	if (pan_gesture.is_valid()) {

		h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() * pan_gesture->get_delta().x / 8);
		v_scroll->set_value(v_scroll->get_value() + v_scroll->get_page() * pan_gesture->get_delta().y / 8);
	}
}
Example #7
0
void ConcavePolygonShape2DSW::cull(const Rect2& p_local_aabb,Callback p_callback,void* p_userdata) const {

	uint32_t* stack = (uint32_t*)alloca(sizeof(int)*bvh_depth);

	enum {
		TEST_AABB_BIT=0,
		VISIT_LEFT_BIT=1,
		VISIT_RIGHT_BIT=2,
		VISIT_DONE_BIT=3,
		VISITED_BIT_SHIFT=29,
		NODE_IDX_MASK=(1<<VISITED_BIT_SHIFT)-1,
		VISITED_BIT_MASK=~NODE_IDX_MASK,


	};

	//for(int i=0;i<bvh_depth;i++)
	//	stack[i]=0;


	int level=0;

	const Segment *segmentptr=&segments[0];
	const Vector2 *pointptr=&points[0];
	const BVH *bvhptr = &bvh[0];
	int pos=bvh.size()-1;


	stack[0]=0;
	while(true) {

		uint32_t node = stack[level]&NODE_IDX_MASK;
		const BVH &b = bvhptr[ node ];

		switch(stack[level]>>VISITED_BIT_SHIFT) {
			case TEST_AABB_BIT: {


				bool valid = p_local_aabb.intersects(b.aabb);
				if (!valid) {

					stack[level]=(VISIT_DONE_BIT<<VISITED_BIT_SHIFT)|node;

				} else {

					if (b.left<0) {

						const Segment &s=segmentptr[ b.right ];
						Vector2 a = pointptr[ s.points[0] ];
						Vector2 b = pointptr[ s.points[1] ];

						SegmentShape2DSW ss(a,b,(b-a).tangent().normalized());

						p_callback(p_userdata,&ss);
						stack[level]=(VISIT_DONE_BIT<<VISITED_BIT_SHIFT)|node;

					} else {

						stack[level]=(VISIT_LEFT_BIT<<VISITED_BIT_SHIFT)|node;
					}
				}

			} continue;
			case VISIT_LEFT_BIT: {

				stack[level]=(VISIT_RIGHT_BIT<<VISITED_BIT_SHIFT)|node;
				stack[level+1]=b.left|TEST_AABB_BIT;
				level++;

			} continue;
			case VISIT_RIGHT_BIT: {

				stack[level]=(VISIT_DONE_BIT<<VISITED_BIT_SHIFT)|node;
				stack[level+1]=b.right|TEST_AABB_BIT;
				level++;
			} continue;
			case VISIT_DONE_BIT: {

				if (level==0)
					return;
				else
					level--;

			} continue;
		}
	}

}
Example #8
0
void GraphEdit::_gui_input(const InputEvent &p_ev) {

	if (p_ev.type == InputEvent::MOUSE_MOTION && (p_ev.mouse_motion.button_mask & BUTTON_MASK_MIDDLE || (p_ev.mouse_motion.button_mask & BUTTON_MASK_LEFT && Input::get_singleton()->is_key_pressed(KEY_SPACE)))) {
		h_scroll->set_value(h_scroll->get_value() - p_ev.mouse_motion.relative_x);
		v_scroll->set_value(v_scroll->get_value() - p_ev.mouse_motion.relative_y);
	}

	if (p_ev.type == InputEvent::MOUSE_MOTION && dragging) {

		just_selected = true;
		// TODO: Remove local mouse pos hack if/when InputEventMouseMotion is fixed to support floats
		//drag_accum+=Vector2(p_ev.mouse_motion.relative_x,p_ev.mouse_motion.relative_y);
		drag_accum = get_local_mouse_pos() - drag_origin;
		for (int i = get_child_count() - 1; i >= 0; i--) {
			GraphNode *gn = get_child(i)->cast_to<GraphNode>();
			if (gn && gn->is_selected()) {

				Vector2 pos = (gn->get_drag_from() * zoom + drag_accum) / zoom;
				if (is_using_snap()) {
					int snap = get_snap();
					pos = pos.snapped(Vector2(snap, snap));
				}

				gn->set_offset(pos);
			}
		}
	}

	if (p_ev.type == InputEvent::MOUSE_MOTION && box_selecting) {
		box_selecting_to = get_local_mouse_pos();

		box_selecting_rect = Rect2(MIN(box_selecting_from.x, box_selecting_to.x),
				MIN(box_selecting_from.y, box_selecting_to.y),
				ABS(box_selecting_from.x - box_selecting_to.x),
				ABS(box_selecting_from.y - box_selecting_to.y));

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

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

			Rect2 r = gn->get_rect();
			r.size *= zoom;
			bool in_box = r.intersects(box_selecting_rect);

			if (in_box)
				gn->set_selected(box_selection_mode_aditive);
			else
				gn->set_selected(previus_selected.find(gn) != NULL);
		}

		top_layer->update();
	}

	if (p_ev.type == InputEvent::MOUSE_BUTTON) {

		const InputEventMouseButton &b = p_ev.mouse_button;

		if (b.button_index == BUTTON_RIGHT && b.pressed) {
			if (box_selecting) {
				box_selecting = false;
				for (int i = get_child_count() - 1; i >= 0; i--) {

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

					gn->set_selected(previus_selected.find(gn) != NULL);
				}
				top_layer->update();
			} else {
				if (connecting) {
					connecting = false;
					top_layer->update();
				} else {
					emit_signal("popup_request", Vector2(b.global_x, b.global_y));
				}
			}
		}

		if (b.button_index == BUTTON_LEFT && !b.pressed && dragging) {
			if (!just_selected && drag_accum == Vector2() && Input::get_singleton()->is_key_pressed(KEY_CONTROL)) {
				//deselect current node
				for (int i = get_child_count() - 1; i >= 0; i--) {
					GraphNode *gn = get_child(i)->cast_to<GraphNode>();

					if (gn) {
						Rect2 r = gn->get_rect();
						r.size *= zoom;
						if (r.has_point(get_local_mouse_pos()))
							gn->set_selected(false);
					}
				}
			}

			if (drag_accum != Vector2()) {

				emit_signal("_begin_node_move");

				for (int i = get_child_count() - 1; i >= 0; i--) {
					GraphNode *gn = get_child(i)->cast_to<GraphNode>();
					if (gn && gn->is_selected())
						gn->set_drag(false);
				}

				emit_signal("_end_node_move");
			}

			dragging = false;

			top_layer->update();
			update();
			connections_layer->update();
		}

		if (b.button_index == BUTTON_LEFT && b.pressed) {

			GraphNode *gn = NULL;
			GraphNode *gn_selected = NULL;
			for (int i = get_child_count() - 1; i >= 0; i--) {

				gn_selected = get_child(i)->cast_to<GraphNode>();

				if (gn_selected) {

					if (gn_selected->is_resizing())
						continue;

					Rect2 r = gn_selected->get_rect();
					r.size *= zoom;
					if (r.has_point(get_local_mouse_pos()))
						gn = gn_selected;
					break;
				}
			}

			if (gn) {

				if (_filter_input(Vector2(b.x, b.y)))
					return;

				dragging = true;
				drag_accum = Vector2();
				drag_origin = get_local_mouse_pos();
				just_selected = !gn->is_selected();
				if (!gn->is_selected() && !Input::get_singleton()->is_key_pressed(KEY_CONTROL)) {
					for (int i = 0; i < get_child_count(); i++) {
						GraphNode *o_gn = get_child(i)->cast_to<GraphNode>();
						if (o_gn)
							o_gn->set_selected(o_gn == gn);
					}
				}

				gn->set_selected(true);
				for (int i = 0; i < get_child_count(); i++) {
					GraphNode *o_gn = get_child(i)->cast_to<GraphNode>();
					if (!o_gn)
						continue;
					if (o_gn->is_selected())
						o_gn->set_drag(true);
				}

			} else {
				if (_filter_input(Vector2(b.x, b.y)))
					return;
				if (Input::get_singleton()->is_key_pressed(KEY_SPACE))
					return;

				box_selecting = true;
				box_selecting_from = get_local_mouse_pos();
				if (b.mod.control) {
					box_selection_mode_aditive = true;
					previus_selected.clear();
					for (int i = get_child_count() - 1; i >= 0; i--) {

						GraphNode *gn = get_child(i)->cast_to<GraphNode>();
						if (!gn || !gn->is_selected())
							continue;

						previus_selected.push_back(gn);
					}
				} else if (b.mod.shift) {
					box_selection_mode_aditive = false;
					previus_selected.clear();
					for (int i = get_child_count() - 1; i >= 0; i--) {

						GraphNode *gn = get_child(i)->cast_to<GraphNode>();
						if (!gn || !gn->is_selected())
							continue;

						previus_selected.push_back(gn);
					}
				} else {
					box_selection_mode_aditive = true;
					previus_selected.clear();
					for (int i = get_child_count() - 1; i >= 0; i--) {

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

						gn->set_selected(false);
					}
				}
			}
		}

		if (b.button_index == BUTTON_LEFT && !b.pressed && box_selecting) {
			box_selecting = false;
			previus_selected.clear();
			top_layer->update();
		}

		if (b.button_index == BUTTON_WHEEL_UP && b.pressed) {
			//too difficult to get right
			//set_zoom(zoom*ZOOM_SCALE);
		}

		if (b.button_index == BUTTON_WHEEL_DOWN && b.pressed) {
			//too difficult to get right
			//set_zoom(zoom/ZOOM_SCALE);
		}
	}

	if (p_ev.type == InputEvent::KEY && p_ev.key.scancode == KEY_D && p_ev.key.pressed && p_ev.key.mod.command) {
		emit_signal("duplicate_nodes_request");
		accept_event();
	}

	if (p_ev.type == InputEvent::KEY && p_ev.key.scancode == KEY_DELETE && p_ev.key.pressed) {
		emit_signal("delete_nodes_request");
		accept_event();
	}
}