common/src/main/java/cz/jzitnik/common/socket/messages/items/ItemTookFromChest.java

@@ -0,0 +1,9 @@
+package cz.jzitnik.common.socket.messages.items;
+
+import cz.jzitnik.common.socket.SocketMessage;
+
+public record ItemTookFromChest(
+        String roomId, // For faster lookup i guess
+        int id
+) implements SocketMessage {
+}

game/src/main/java/cz/jzitnik/client/game/GameState.java

@@ -20,6 +20,10 @@ public class GameState {
     @Setter
     private GameRoom currentRoom;
 
+    @Getter
+    @Setter
+    private List<GameRoom> allRooms;
+
     @Getter
     @Setter
     private Player player;

game/src/main/java/cz/jzitnik/client/game/items/GameItem.java

@@ -14,14 +14,17 @@ public class GameItem implements Renderable {
     @JsonIgnore
     private final BufferedImage texture;
     private final String name;
+    private final int id;
 
     @JsonCreator
     public GameItem(
+            @JsonProperty("id") int id,
             @JsonProperty("name") String name,
             @JsonProperty("type") ItemType<?> type,
             @JsonProperty("texture") ResourceManager.Resource resource,
             @JacksonInject ResourceManager resourceManager
     ) {
+        this.id = id;
         this.name = name;
         this.type = type;
         this.texture = resourceManager.getResource(resource);

game/src/main/java/cz/jzitnik/client/game/objects/Chest.java

@@ -10,10 +10,7 @@ import cz.jzitnik.client.annotations.injectors.InjectConfig;
 import cz.jzitnik.client.annotations.injectors.InjectDependency;
 import cz.jzitnik.client.annotations.injectors.InjectState;
 import cz.jzitnik.client.config.Debugging;
-import cz.jzitnik.client.events.InventoryRerender;
+import cz.jzitnik.client.events.*;
-import cz.jzitnik.client.events.MouseAction;
-import cz.jzitnik.client.events.RerenderPart;
-import cz.jzitnik.client.events.RerenderScreen;
 import cz.jzitnik.client.game.GameRoom;
 import cz.jzitnik.client.game.GameState;
 import cz.jzitnik.client.game.Player;
@@ -30,9 +27,12 @@ import cz.jzitnik.client.ui.pixels.Pixel;
 import cz.jzitnik.client.utils.RerenderUtils;
 import cz.jzitnik.client.utils.UIRoomClickHandlerRepository;
 import cz.jzitnik.client.utils.events.EventManager;
+import cz.jzitnik.common.socket.messages.items.ItemTookFromChest;
+import lombok.Getter;
 import lombok.extern.slf4j.Slf4j;
 
 import java.awt.image.BufferedImage;
+import java.net.Socket;
 import java.util.HashSet;
 import java.util.List;
 
@@ -40,8 +40,11 @@ import java.util.List;
 public final class Chest extends GameObject implements UIClickHandler {
     private static final int RENDER_PADDING = 1;
 
+    @Getter
     private final List<GameItem> items;
 
+    private boolean rendered;
+
     private int listenerHashCode;
 
     private int actualDisplayStartX;
@@ -164,6 +167,7 @@ public final class Chest extends GameObject implements UIClickHandler {
                 guiStart.getRow() - start.getY(),
                 guiEnd.getRow() - start.getY()
         ));
+        rendered = true;
     }
 
     private void clearPreviousUI(
@@ -257,15 +261,23 @@ public final class Chest extends GameObject implements UIClickHandler {
         if (!added) {
             return true;
         }
-        eventManager.emitEvent(new InventoryRerender());
 
+        eventManager.emitEvent(new SendSocketMessageEvent(new ItemTookFromChest(gameState.getCurrentRoom().getId(), item.getId())));
+
+        return true;
+    }
+
+    public void handleItemRemoval(GameItem item) {
         items.remove(item);
 
+        if (!rendered) {
+            return;
+        }
+
+        eventManager.emitEvent(new InventoryRerender());
         if (items.isEmpty()) {
             uiRoomClickHandlerRepository.removeHandlerForCurrentRoom(listenerHashCode);
         }
         render(true);
-
-        return true;
     }
 }

game/src/main/java/cz/jzitnik/client/game/setup/GameSetup.java

@@ -47,5 +47,6 @@ public class GameSetup {
         );
 
         gameState.setCurrentRoom(rooms.getFirst());
+        gameState.setAllRooms(rooms);
     }
 }

game/src/main/java/cz/jzitnik/client/socket/events/ItemTookFromChestHandler.java

@@ -0,0 +1,43 @@
+package cz.jzitnik.client.socket.events;
+
+import cz.jzitnik.client.annotations.SocketEventHandler;
+import cz.jzitnik.client.annotations.injectors.InjectState;
+import cz.jzitnik.client.game.GameRoom;
+import cz.jzitnik.client.game.GameState;
+import cz.jzitnik.client.game.items.GameItem;
+import cz.jzitnik.client.game.objects.Chest;
+import cz.jzitnik.client.game.objects.GameObject;
+import cz.jzitnik.client.socket.AbstractSocketEventHandler;
+import cz.jzitnik.common.socket.messages.items.ItemTookFromChest;
+
+@SocketEventHandler(ItemTookFromChest.class)
+public class ItemTookFromChestHandler extends AbstractSocketEventHandler<ItemTookFromChest> {
+    @InjectState
+    private GameState gameState;
+
+    @Override
+    public void handle(ItemTookFromChest event) {
+        for (GameRoom room : gameState.getAllRooms()) {
+            if (!room.getId().equals(event.roomId())) {
+                continue;
+            }
+
+            for (GameObject object : room.getObjects()) {
+                if (object instanceof Chest chest) {
+                    var items = chest.getItems();
+
+                    for (GameItem item : items) {
+                        if (item.getId() != event.id()) {
+                            continue;
+                        }
+
+                        items.remove(item);
+                        chest.handleItemRemoval(item);
+
+                        return;
+                    }
+                }
+            }
+        }
+    }
+}

game/src/main/resources/setup/rooms.yaml

@@ -41,12 +41,14 @@
         x: 100
         y: 45
       items:
-        - name: "Wooden sword"
+        - id: 1
+          name: "Wooden sword"
           type:
             name: "weapon_sword"
             dealDamage: 1
           texture: "WOODEN_SWORD"
-        - name: "Apple"
+        - id: 2
+          name: "Apple"
           type:
             name: "food"
             addHealth: 1
@@ -78,12 +80,14 @@
         x: 100
         y: 45
       items:
-        - name: "Wooden sword"
+        - id: 3
+          name: "Wooden sword"
           type:
             name: "weapon_sword"
             dealDamage: 1
           texture: "WOODEN_SWORD"
-        - name: "Apple"
+        - id: 4
+          name: "Apple"
           type:
             name: "food"
             addHealth: 1
@@ -124,7 +128,8 @@
           y: 78
       health: 10
       itemsDrops:
-        - name: "Apple"
+        - id: 5
+          name: "Apple"
           type:
             name: "food"
             addHealth: 1
@@ -159,7 +164,8 @@
           y: 78
       health: 10
       itemsDrops:
-        - name: "Apple"
+        - id: 6
+          name: "Apple"
           type:
             name: "food"
             addHealth: 1
@@ -189,12 +195,14 @@
         x: 100
         y: 45
       items:
-        - name: "Wooden sword"
+        - id: 7
+          name: "Wooden sword"
           type:
             name: "weapon_sword"
             dealDamage: 1
           texture: "WOODEN_SWORD"
-        - name: "Apple"
+        - id: 8
+          name: "Apple"
           type:
             name: "food"
             addHealth: 1

server/src/main/java/cz/jzitnik/server/events/handlers/ItemTookFromChestHandler.java

@@ -0,0 +1,23 @@
+package cz.jzitnik.server.events.handlers;
+
+import cz.jzitnik.common.socket.messages.items.ItemTookFromChest;
+import cz.jzitnik.server.annotations.EventHandler;
+import cz.jzitnik.server.context.GlobalContext;
+import cz.jzitnik.server.events.AbstractEventHandler;
+import cz.jzitnik.server.game.Client;
+
+@EventHandler(ItemTookFromChest.class)
+public class ItemTookFromChestHandler extends AbstractEventHandler<ItemTookFromChest> {
+    public ItemTookFromChestHandler(GlobalContext globalContext) {
+        super(globalContext);
+    }
+
+    @Override
+    public void handle(ItemTookFromChest event, Client client) {
+        client.getGame().getItemModifiers().add(event);
+
+        for (Client client1 : client.getGame().getPlayers()) {
+            client1.getSession().sendMessage(event);
+        }
+    }
+}

server/src/main/java/cz/jzitnik/server/game/Game.java

@@ -1,8 +1,10 @@
 package cz.jzitnik.server.game;
 
+import cz.jzitnik.common.socket.messages.items.ItemTookFromChest;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 
+import java.util.ArrayList;
 import java.util.List;
 
 @Getter
@@ -10,4 +12,5 @@ import java.util.List;
 public class Game {
     private String password;
     private List<Client> players;
+    private final List<ItemTookFromChest> itemModifiers = new ArrayList<>();
 }