More test code regarding drives

src/main/java/ru/dbotthepony/mc/otm/menu/data/NetworkedItemView.java

@@ -8,7 +8,6 @@ import net.minecraft.world.item.Item;
 import net.minecraft.world.item.ItemStack;
 import net.minecraftforge.fmllegacy.network.NetworkEvent;
 import net.minecraftforge.fmllegacy.network.PacketDistributor;
-import ru.dbotthepony.mc.otm.OverdriveThatMatters;
 import ru.dbotthepony.mc.otm.network.MatteryNetworking;
 
 import java.util.ArrayList;
@@ -17,9 +16,12 @@ import java.util.List;
 import java.util.UUID;
 import java.util.function.Supplier;
 
+/**
+ * Creates a virtual, slotless container for Player's interaction with.
+ */
 public class NetworkedItemView {
-	public record ViewedItem(int id, ItemStack stack, UUID id_upstream) {
-		public ViewedItem(int id, ItemStack stack) {
+	public record NetworkedItem(int id, ItemStack stack, UUID id_upstream) {
+		public NetworkedItem(int id, ItemStack stack) {
 			this(id, stack, null);
 		}
 	}
@@ -111,12 +113,46 @@ public class NetworkedItemView {
 					throw new IllegalStateException("Item tracker " + id + " already has stack with id of " + stack_id);
 				}
 
-				get.state.put(stack_id, new ViewedItem(stack_id, stack));
+				get.state.put(stack_id, new NetworkedItem(stack_id, stack));
 				get.clearCache();
 			});
 		}
 	}
 
+	public record InteractPacket(UUID id, int stack_id) {
+		public void write(FriendlyByteBuf buffer) {
+			buffer.writeLong(id.getMostSignificantBits());
+			buffer.writeLong(id.getLeastSignificantBits());
+			buffer.writeInt(stack_id);
+		}
+
+		public static InteractPacket read(FriendlyByteBuf buffer) {
+			var id = new UUID(buffer.readLong(), buffer.readLong());
+			var stack = buffer.readInt();
+			return new InteractPacket(id, stack);
+		}
+
+		public void play(Supplier<NetworkEvent.Context> context) {
+			context.get().setPacketHandled(true);
+			context.get().enqueueWork(() -> {
+				var get = TRACKERS_REMOTE.get(id);
+
+				if (get == null) {
+					return;
+				}
+
+				var get_state = get.state.get(stack_id);
+
+				if (get_state == null) {
+					return;
+				}
+
+				var ply = context.get().getSender();
+				ply.resetLastActionTime();
+			});
+		}
+	}
+
 	public record StackChangePacket(UUID id, int stack_id, int new_count) {
 		public void write(FriendlyByteBuf buffer) {
 			buffer.writeLong(id.getMostSignificantBits());
@@ -193,8 +229,8 @@ public class NetworkedItemView {
 	public final boolean remote;
 	protected int next_stack_id = 0;
 
-	protected final HashMap<Integer, ViewedItem> state = new HashMap<>();
-	protected final HashMap<UUID, ViewedItem> upstream_state = new HashMap<>();
+	protected final HashMap<Integer, NetworkedItem> state = new HashMap<>();
+	protected final HashMap<UUID, NetworkedItem> upstream_state = new HashMap<>();
 	protected final ArrayList<Object> backlog = new ArrayList<>();
 
 	// normally, filled only on server
@@ -238,6 +274,10 @@ public class NetworkedItemView {
 		view_cache = null;
 	}
 
+	public boolean mayPlace(ItemStack stack) {
+		return false;
+	}
+
 	public List<ItemStack> getItems() {
 		if (view_cache != null)
 			return view_cache;
@@ -254,7 +294,7 @@ public class NetworkedItemView {
 		if (upstream_state.containsKey(id_upstream))
 			throw new IllegalStateException("Already tracking ItemStack with upstream id " + id_upstream + "!");
 
-		var state = new ViewedItem(next_stack_id++, stack, id_upstream);
+		var state = new NetworkedItem(next_stack_id++, stack, id_upstream);
 		this.state.put(state.id, state);
 		this.upstream_state.put(id_upstream, state);
 

src/main/java/ru/dbotthepony/mc/otm/menu/slot/ItemViewInputSlot.java

@@ -0,0 +1,35 @@
+package ru.dbotthepony.mc.otm.menu.slot;
+
+import net.minecraft.world.Container;
+import net.minecraft.world.item.ItemStack;
+import ru.dbotthepony.mc.otm.menu.data.NetworkedItemView;
+
+public class ItemViewInputSlot extends MatterySlot {
+	public ItemViewInputSlot(Container p_40223_, int index, int x, int y, boolean auto_bg) {
+		super(p_40223_, index, x, y, auto_bg);
+	}
+
+	public ItemViewInputSlot(Container p_40223_, int index, int x, int y) {
+		super(p_40223_, index, x, y);
+	}
+
+	public ItemViewInputSlot(Container p_40223_, int index) {
+		super(p_40223_, index);
+	}
+
+	public NetworkedItemView view;
+
+	@Override
+	public boolean mayPlace(ItemStack p_40231_) {
+		if (view == null || view.remote) {
+			return true;
+		}
+
+		return view.mayPlace(p_40231_);
+	}
+
+	@Override
+	public void set(ItemStack p_40240_) {
+		super.set(p_40240_);
+	}
+}

src/main/java/ru/dbotthepony/mc/otm/screen/DriveViewerScreen.java

@@ -17,7 +17,10 @@ import java.util.List;
 
 public class DriveViewerScreen extends MatteryScreen<DriveViewerMenu> implements MatteryScreen.IMatteryScreenGaugeGetter, MatteryScreen.IMatteryScreenBatteryGetter {
 	public static final int FRAME_WIDTH = 210;
-	public static final int FRAME_HEIGHT = 100;
+	public static final int FRAME_HEIGHT = 110;
+
+	public static final int GRID_WIDTH = 9;
+	public static final int GRID_HEIGHT = 5;
 
 	public DriveViewerScreen(DriveViewerMenu menu, Inventory inventory, Component title) {
 		super(menu, inventory, title);
@@ -40,30 +43,49 @@ public class DriveViewerScreen extends MatteryScreen<DriveViewerMenu> implements
 
 		autoAttachToFrame(frame);
 
-		var grid = new GridPanel(this, frame, 0, 0, 0, 0, 3, 3);
+		var grid = new GridPanel(this, frame, 0, 0, 0, 0, GRID_WIDTH, GRID_HEIGHT);
 		grid.setDock(Dock.FILL);
+		grid.setDockMargin(2, 2, 2, 2);
+		var scroll_bar = new ScrollBarPanel(this, frame, 0, 0, 0);
+		scroll_bar.setDock(Dock.RIGHT);
+		scroll_bar.setupRowMultiplier(() -> {
+			var view = menu.getView();
 
-		for (int i = 0; i < 9; i++) {
+			if (view != null) {
+				return view.getItems().size() / GRID_WIDTH;
+			}
+
+			return 0;
+		});
+
+		for (int i = 0; i < GRID_WIDTH * GRID_HEIGHT; i++) {
 			final int index = i;
 
 			new AbstractSlotPanel(this, grid, 0, 0) {
 				@Nonnull
 				@Override
 				protected ItemStack getItemStack() {
+					int findex = index + scroll_bar.getScroll(GRID_WIDTH);
+
 					var view = menu.getView();
 
 					if (view != null) {
 						var list = view.getItems();
 
-						if (index >= list.size()) {
+						if (findex >= list.size()) {
 							return ItemStack.EMPTY;
 						}
 
-						return list.get(index);
+						return list.get(findex);
 					}
 
 					return ItemStack.EMPTY;
 				}
+
+				@Override
+				protected boolean mouseScrolledInner(double mouse_x, double mouse_y, double scroll) {
+					return scroll_bar.mouseScrolledInner(mouse_x, mouse_y, scroll);
+				}
 			};
 		}
 

src/main/java/ru/dbotthepony/mc/otm/screen/panels/FlexGridPanel.java

@@ -1,6 +1,5 @@
 package ru.dbotthepony.mc.otm.screen.panels;
 
-import ru.dbotthepony.mc.otm.OverdriveThatMatters;
 import ru.dbotthepony.mc.otm.screen.MatteryScreen;
 
 import javax.annotation.Nonnull;
@@ -22,6 +21,7 @@ public class FlexGridPanel extends EditablePanel {
 	}
 
 	protected FlexAlign align;
+	public int panels_per_row = 1;
 
 	public FlexGridPanel(@Nonnull MatteryScreen<?> screen, @Nullable EditablePanel parent, float x, float y, float width, float height) {
 		super(screen, parent, x, y, width, height);
@@ -78,6 +78,8 @@ public class FlexGridPanel extends EditablePanel {
 
 			// определение высоты всех рядов вместе
 			float total_height = 0;
+			panels_per_row = 0;
+			boolean calculate_row_width = true;
 
 			for (int row = 0; row < rows; row++) {
 				float max_height = 0;
@@ -90,6 +92,11 @@ public class FlexGridPanel extends EditablePanel {
 					index = i;
 
 					if (gain_width + total_width > desired_width) {
+						if (calculate_row_width) {
+							panels_per_row = i + 1;
+							calculate_row_width = false;
+						}
+
 						break;
 					}