From c7f2ba0cbdee4d8ebdd3dacb227b7d100df18547 Mon Sep 17 00:00:00 2001
From: jzitnik-dev <email@jzitnik.dev>
Date: Mon, 15 Dec 2025 23:12:56 +0100
Subject: [PATCH] feat: Screens

Different types of screens have been implemented.
For now only ChestScreen.
---
 .../jzitnik/events/handlers/CliHandler.java   |  3 +-
 .../handlers/KeyboardPressEventHandler.java   |  2 +-
 .../handlers/MouseActionEventHandler.java     |  1 +
 .../handlers/RoomChangeEventHandler.java      |  2 +-
 .../handlers/TerminalResizeEventHandler.java  | 10 +++-
 src/main/java/cz/jzitnik/game/Constants.java  |  7 +++
 src/main/java/cz/jzitnik/game/GameRoom.java   | 39 +++++++++++++++-
 src/main/java/cz/jzitnik/game/GameSetup.java  |  2 -
 .../java/cz/jzitnik/game/objects/Chest.java   |  2 +-
 .../java/cz/jzitnik/screens/ChestScreen.java  | 46 +++++++++++++++++--
 src/main/java/cz/jzitnik/screens/Screen.java  |  4 +-
 11 files changed, 104 insertions(+), 14 deletions(-)
 create mode 100644 src/main/java/cz/jzitnik/game/Constants.java

diff --git a/src/main/java/cz/jzitnik/events/handlers/CliHandler.java b/src/main/java/cz/jzitnik/events/handlers/CliHandler.java
index 2fc3c39..75c41fa 100644
--- a/src/main/java/cz/jzitnik/events/handlers/CliHandler.java
+++ b/src/main/java/cz/jzitnik/events/handlers/CliHandler.java
@@ -5,6 +5,7 @@ import com.googlecode.lanterna.graphics.TextGraphics;
 import cz.jzitnik.annotations.EventHandler;
 import cz.jzitnik.annotations.injectors.InjectState;
 import cz.jzitnik.events.RerenderScreen;
+import cz.jzitnik.game.Constants;
 import cz.jzitnik.states.ScreenBuffer;
 import cz.jzitnik.states.TerminalState;
 import cz.jzitnik.ui.pixels.Empty;
@@ -42,7 +43,7 @@ public class CliHandler extends AbstractEventHandler<RerenderScreen> {
             for (int y = start.getRow(); y <= end.getRow(); y++) {
                 for (int x = start.getColumn(); x <= end.getColumn(); x++) {
                     Pixel pixel = buffer[y][x];
-                    TextColor color = pixel.getClass().equals(Empty.class) ? new TextColor.RGB(4, 4, 16) : pixel.getColor();
+                    TextColor color = pixel.getClass().equals(Empty.class) ? Constants.DEFAULT_COLOR : pixel.getColor();
 
                     drawPixel(tg, x, y, color);
                 }
diff --git a/src/main/java/cz/jzitnik/events/handlers/KeyboardPressEventHandler.java b/src/main/java/cz/jzitnik/events/handlers/KeyboardPressEventHandler.java
index ce70507..3c62cde 100644
--- a/src/main/java/cz/jzitnik/events/handlers/KeyboardPressEventHandler.java
+++ b/src/main/java/cz/jzitnik/events/handlers/KeyboardPressEventHandler.java
@@ -27,7 +27,7 @@ public class KeyboardPressEventHandler extends AbstractEventHandler<KeyboardPres
     @Override
     public void handle(KeyboardPressEvent event) {
         if (gameState.getScreen() != null) {
-            gameState.getScreen().handleKeybordAction(event);
+            gameState.getScreen().handleKeyboardAction(event);
             return;
         }
 
diff --git a/src/main/java/cz/jzitnik/events/handlers/MouseActionEventHandler.java b/src/main/java/cz/jzitnik/events/handlers/MouseActionEventHandler.java
index c0cffba..d580c46 100644
--- a/src/main/java/cz/jzitnik/events/handlers/MouseActionEventHandler.java
+++ b/src/main/java/cz/jzitnik/events/handlers/MouseActionEventHandler.java
@@ -41,6 +41,7 @@ public class MouseActionEventHandler extends AbstractEventHandler<MouseAction> {
                 if (object.isEmpty()) return;
 
                 ((Interactable) object.get()).interact(dm);
+                object.get().setSelected(false);
             }
         }
     }
diff --git a/src/main/java/cz/jzitnik/events/handlers/RoomChangeEventHandler.java b/src/main/java/cz/jzitnik/events/handlers/RoomChangeEventHandler.java
index 7a134b4..8d089f7 100644
--- a/src/main/java/cz/jzitnik/events/handlers/RoomChangeEventHandler.java
+++ b/src/main/java/cz/jzitnik/events/handlers/RoomChangeEventHandler.java
@@ -45,7 +45,7 @@ public class RoomChangeEventHandler extends AbstractEventHandler<RoomChangeEvent
             case LEFT -> playerCords.updateCords(155, 60);
             case RIGHT -> playerCords.updateCords(30, 50);
             case TOP -> playerCords.updateCords(90, 110);
-            case BOTTOM -> playerCords.updateCords(85, 10);
+            case BOTTOM -> playerCords.updateCords(90, 10);
         }
 
         gameState.setCurrentRoom(newRoom);
diff --git a/src/main/java/cz/jzitnik/events/handlers/TerminalResizeEventHandler.java b/src/main/java/cz/jzitnik/events/handlers/TerminalResizeEventHandler.java
index 7e10c39..58b88ac 100644
--- a/src/main/java/cz/jzitnik/events/handlers/TerminalResizeEventHandler.java
+++ b/src/main/java/cz/jzitnik/events/handlers/TerminalResizeEventHandler.java
@@ -6,6 +6,7 @@ import cz.jzitnik.annotations.injectors.InjectDependency;
 import cz.jzitnik.annotations.injectors.InjectState;
 import cz.jzitnik.events.FullRoomDraw;
 import cz.jzitnik.events.TerminalResizeEvent;
+import cz.jzitnik.game.GameState;
 import cz.jzitnik.states.ScreenBuffer;
 import cz.jzitnik.ui.pixels.Empty;
 import cz.jzitnik.ui.pixels.Pixel;
@@ -27,6 +28,9 @@ public class TerminalResizeEventHandler extends AbstractEventHandler<TerminalRes
     @InjectState
     private ScreenBuffer screenBuffer;
 
+    @InjectState
+    private GameState gameState;
+
     @Override
     public void handle(TerminalResizeEvent event) {
         TerminalSize size = event.getNewSize();
@@ -41,6 +45,10 @@ public class TerminalResizeEventHandler extends AbstractEventHandler<TerminalRes
         }
         screenBuffer.setRenderedBuffer(buffer);
 
-        eventManager.emitEvent(new FullRoomDraw(true));
+        if (gameState.getScreen() != null) {
+            gameState.getScreen().fullRender();
+        } else {
+            eventManager.emitEvent(new FullRoomDraw(true));
+        }
     }
 }
diff --git a/src/main/java/cz/jzitnik/game/Constants.java b/src/main/java/cz/jzitnik/game/Constants.java
new file mode 100644
index 0000000..37c42b7
--- /dev/null
+++ b/src/main/java/cz/jzitnik/game/Constants.java
@@ -0,0 +1,7 @@
+package cz.jzitnik.game;
+
+import com.googlecode.lanterna.TextColor;
+
+public class Constants {
+    public static final TextColor DEFAULT_COLOR = new TextColor.RGB(4, 4, 16);
+}
diff --git a/src/main/java/cz/jzitnik/game/GameRoom.java b/src/main/java/cz/jzitnik/game/GameRoom.java
index e093aca..f1cfe2a 100644
--- a/src/main/java/cz/jzitnik/game/GameRoom.java
+++ b/src/main/java/cz/jzitnik/game/GameRoom.java
@@ -3,14 +3,12 @@ package cz.jzitnik.game;
 import cz.jzitnik.game.objects.GameObject;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
-import lombok.Setter;
 
 import java.util.ArrayList;
 import java.util.List;
 
 @RequiredArgsConstructor
 @Getter
-@Setter
 public class GameRoom {
     private GameRoom left;
     private GameRoom right;
@@ -23,4 +21,41 @@ public class GameRoom {
     public void addObject(GameObject gameObject) {
         objects.addFirst(gameObject);
     }
+
+    public void setLeft(GameRoom left) {
+        setLeft(left, true);
+    }
+    public void setLeft(GameRoom left, boolean addReference) {
+        this.left = left;
+        if (addReference) {
+            left.setRight(this, false);
+        }
+    }
+    public void setRight(GameRoom right) {
+        setRight(right, true);
+    }
+    public void setRight(GameRoom right, boolean addReference) {
+        this.right = right;
+        if (addReference) {
+            right.setLeft(this, false);
+        }
+    }
+    public void setUp(GameRoom up) {
+        setUp(up, true);
+    }
+    public void setUp(GameRoom up, boolean addReference) {
+        this.up = up;
+        if (addReference) {
+            up.setDown(this, false);
+        }
+    }
+    public void setDown(GameRoom down) {
+        setDown(down, true);
+    }
+    public void setDown(GameRoom down, boolean addReference) {
+        this.down = down;
+        if (addReference) {
+            down.setUp(this, false);
+        }
+    }
 }
diff --git a/src/main/java/cz/jzitnik/game/GameSetup.java b/src/main/java/cz/jzitnik/game/GameSetup.java
index a94dde1..7d50699 100644
--- a/src/main/java/cz/jzitnik/game/GameSetup.java
+++ b/src/main/java/cz/jzitnik/game/GameSetup.java
@@ -20,9 +20,7 @@ public class GameSetup {
         GameRoom topRightRoom = new GameRoom(ResourceManager.Resource.ROOM3);
 
         mainRoom.setRight(rightRoom);
-        rightRoom.setLeft(mainRoom);
         rightRoom.setUp(topRightRoom);
-        topRightRoom.setDown(rightRoom);
 
         Chest chest = new Chest(resourceManager, new RoomCords(100, 45));
         mainRoom.addObject(chest);
diff --git a/src/main/java/cz/jzitnik/game/objects/Chest.java b/src/main/java/cz/jzitnik/game/objects/Chest.java
index c395837..01e42f4 100644
--- a/src/main/java/cz/jzitnik/game/objects/Chest.java
+++ b/src/main/java/cz/jzitnik/game/objects/Chest.java
@@ -23,6 +23,6 @@ public final class Chest extends GameObject implements Interactable {
         gameState.setInteracting(this);
         ChestScreen chestScreen = dm.getDependencyOrThrow(ChestScreen.class);
         gameState.setScreen(chestScreen);
-        chestScreen.initialRender();
+        chestScreen.fullRender();
     }
 }
diff --git a/src/main/java/cz/jzitnik/screens/ChestScreen.java b/src/main/java/cz/jzitnik/screens/ChestScreen.java
index d6cf469..ec4154f 100644
--- a/src/main/java/cz/jzitnik/screens/ChestScreen.java
+++ b/src/main/java/cz/jzitnik/screens/ChestScreen.java
@@ -1,14 +1,47 @@
 package cz.jzitnik.screens;
 
+import com.googlecode.lanterna.TerminalSize;
+import com.googlecode.lanterna.input.KeyStroke;
+import com.googlecode.lanterna.input.KeyType;
 import cz.jzitnik.annotations.Dependency;
+import cz.jzitnik.annotations.injectors.InjectDependency;
+import cz.jzitnik.annotations.injectors.InjectState;
+import cz.jzitnik.events.FullRoomDraw;
 import cz.jzitnik.events.KeyboardPressEvent;
 import cz.jzitnik.events.MouseAction;
+import cz.jzitnik.events.RerenderScreen;
+import cz.jzitnik.game.GameState;
+import cz.jzitnik.states.ScreenBuffer;
+import cz.jzitnik.states.TerminalState;
+import cz.jzitnik.ui.pixels.Empty;
+import cz.jzitnik.utils.events.EventManager;
 
 @Dependency
 public final class ChestScreen extends Screen {
-    @Override
-    public void initialRender() {
+    @InjectDependency
+    private EventManager eventManager;
 
+    @InjectState
+    private ScreenBuffer screenBuffer;
+
+    @InjectState
+    private TerminalState terminalState;
+
+    @InjectState
+    private GameState gameState;
+
+    @Override
+    public void fullRender() {
+        var buffer = screenBuffer.getRenderedBuffer();
+        TerminalSize terminalSize = terminalState.getTerminalScreen().getTerminalSize();
+
+        for (int x = 0; x < terminalSize.getColumns(); x++) {
+            for (int y = 0; y < terminalSize.getRows(); y++) {
+                buffer[y][x] = new Empty();
+            }
+        }
+
+        eventManager.emitEvent(RerenderScreen.full(terminalSize));
     }
 
     @Override
@@ -17,7 +50,14 @@ public final class ChestScreen extends Screen {
     }
 
     @Override
-    public void handleKeybordAction(KeyboardPressEvent event) {
+    public void handleKeyboardAction(KeyboardPressEvent event) {
+        KeyStroke keyStroke = event.getKeyStroke();
 
+        if (keyStroke.getKeyType() == KeyType.Escape || keyStroke.getCharacter() == 'e') {
+            gameState.setScreen(null);
+            gameState.setInteracting(null);
+
+            eventManager.emitEvent(new FullRoomDraw(true));
+        }
     }
 }
diff --git a/src/main/java/cz/jzitnik/screens/Screen.java b/src/main/java/cz/jzitnik/screens/Screen.java
index ee732bb..e022c70 100644
--- a/src/main/java/cz/jzitnik/screens/Screen.java
+++ b/src/main/java/cz/jzitnik/screens/Screen.java
@@ -4,7 +4,7 @@ import cz.jzitnik.events.KeyboardPressEvent;
 import cz.jzitnik.events.MouseAction;
 
 public sealed abstract class Screen permits ChestScreen {
-    public abstract void initialRender();
+    public abstract void fullRender();
     public abstract void handleMouseAction(MouseAction event);
-    public abstract void handleKeybordAction(KeyboardPressEvent event);
+    public abstract void handleKeyboardAction(KeyboardPressEvent event);
 }