Merge win-condition & endings (sub-project 3.3) into develop

Priority-ordered, condition-driven endings (endings.yaml) checked each turn
after the quest tick; the first match prints an ending banner + run summary
(turns, quests X/Y, rank) and ends the game. EndingEngine mirrors the quest
engine; World gains 5/6/7-arg back-compat constructors. Two reachable demo
endings: victory (manor_secured) and flee (front door -> fled). Completes the
quest system (#3). 120 tests green.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Semesterprojekt/docs/enhancement-ideas.md

@@ -86,8 +86,13 @@ Farb-Rollen: Items / NPCs / Exits / Heading / Gefahr.
 > ✅ #3.2 umgesetzt (Branch `feature/quests`): condition-driven Quests
 > (Quest/QuestStage), QuestEngine mit Auto-Advance + Ansagen, START_QUEST-Effekt,
 > Konsolen-Befehl `quests` und GUI-Quest-Box unter der Karte. Demo-Quest
-> `restore_power`. Offen: #3.3 Win-Condition/Enden sowie Licht/Dunkelheit &
+> `restore_power`.
-> Item-Kombination.
+>
+> ✅ #3.3 umgesetzt (Branch `feature/endings`): priorisierte, condition-driven
+> Enden (`endings.yaml`) + End-Screen mit Summary (Züge, Quests X/Y, Rang).
+> Demo: Sieg-Ende (`manor_secured`) und Flucht-Ende (Front Door → `fled`).
+> **Damit ist das Quest-System (#3) komplett.** Offen: Licht/Dunkelheit &
+> Item-Kombination sowie #4 Content-Ausbau.
 
 
 - Aktuelles NPC-System: Begrüßung + Geschenk-Reaktion (Item → Item).

Semesterprojekt/src/main/java/thb/jeanluc/adventure/game/EndingEngine.java

@@ -0,0 +1,46 @@
+package thb.jeanluc.adventure.game;
+
+import thb.jeanluc.adventure.io.text.StyledText;
+import thb.jeanluc.adventure.model.Ending;
+
+/** Detects the first matching ending and renders the end-of-game screen. */
+public final class EndingEngine {
+
+    private EndingEngine() {
+    }
+
+    /** First ending whose conditions hold, in list order; null if none. */
+    public static Ending triggered(GameContext ctx) {
+        for (Ending e : ctx.getWorld().getEndings()) {
+            if (Conditions.all(e.when(), ctx)) {
+                return e;
+            }
+        }
+        return null;
+    }
+
+    /** Builds the ending screen: title banner, text, and a run summary. */
+    public static StyledText render(Ending e, GameContext ctx, int turns) {
+        int total = ctx.getWorld().getQuests().size();
+        int done = ctx.getQuestLog().completed().size();
+        String bar = "═".repeat(Math.max(12, e.title().length() + 6));
+
+        StyledText.Builder b = StyledText.builder();
+        b.heading(bar + "\n").heading("  " + e.title() + "\n").heading(bar + "\n");
+        b.plain(e.text().stripTrailing()).plain("\n\n");
+        b.dim("Turns: " + turns + "\n");
+        b.dim("Quests completed: " + done + " / " + total + "\n");
+        b.heading("Rank: " + rank(e, total, done));
+        return b.build();
+    }
+
+    private static String rank(Ending e, int total, int done) {
+        if (e.victory() && total > 0 && done == total) {
+            return "Master of the Manor";
+        }
+        if (e.victory()) {
+            return "Manor Reclaimed";
+        }
+        return "Escaped — the manor keeps its secrets";
+    }
+}

Semesterprojekt/src/main/java/thb/jeanluc/adventure/game/Game.java

@@ -8,6 +8,7 @@ import thb.jeanluc.adventure.command.ParsedCommand;
 import thb.jeanluc.adventure.io.text.Hud;
 import thb.jeanluc.adventure.io.text.MapView;
 import thb.jeanluc.adventure.map.MapLayout;
+import thb.jeanluc.adventure.model.Ending;
 
 import java.util.Optional;
 
@@ -39,6 +40,7 @@ public class Game {
      */
     public void run() {
         publishHud();
+        maybeEnd();
         while (running) {
             String input = ctx.getIo().readLine();
             if (input == null) {
@@ -56,6 +58,16 @@ public class Game {
                 turn++;
             }
             publishHud();
+            maybeEnd();
+        }
+    }
+
+    /** Ends the game if any ending's conditions are met, printing its screen. */
+    private void maybeEnd() {
+        Ending e = EndingEngine.triggered(ctx);
+        if (e != null) {
+            ctx.getIo().print(EndingEngine.render(e, ctx, turn));
+            stop();
         }
     }
 

Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/EndingFactory.java

@@ -0,0 +1,21 @@
+package thb.jeanluc.adventure.loader;
+
+import thb.jeanluc.adventure.loader.dto.ConditionDto;
+import thb.jeanluc.adventure.loader.dto.EndingDto;
+import thb.jeanluc.adventure.model.Ending;
+
+/** Builds {@link Ending} objects from {@link EndingDto}s. */
+public final class EndingFactory {
+
+    private EndingFactory() {
+    }
+
+    public static Ending fromDto(EndingDto dto) {
+        return new Ending(
+                dto.id(),
+                dto.title(),
+                Boolean.TRUE.equals(dto.victory()),
+                ConditionDto.toModelList(dto.when()),
+                dto.text());
+    }
+}

Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/WorldLoader.java

@@ -5,11 +5,13 @@ import com.fasterxml.jackson.databind.type.CollectionType;
 import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import thb.jeanluc.adventure.loader.dto.EndingDto;
 import thb.jeanluc.adventure.loader.dto.GameDto;
 import thb.jeanluc.adventure.loader.dto.ItemDto;
 import thb.jeanluc.adventure.loader.dto.NpcDto;
 import thb.jeanluc.adventure.loader.dto.QuestDto;
 import thb.jeanluc.adventure.loader.dto.RoomDto;
+import thb.jeanluc.adventure.model.Ending;
 import thb.jeanluc.adventure.model.Npc;
 import thb.jeanluc.adventure.model.Player;
 import thb.jeanluc.adventure.model.Quest;
@@ -19,6 +21,7 @@ import thb.jeanluc.adventure.model.item.Item;
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -71,12 +74,14 @@ public class WorldLoader {
         List<NpcDto> npcDtos = readList(basePath + "/npcs.yaml", NpcDto.class);
         List<RoomDto> roomDtos = readList(basePath + "/rooms.yaml", RoomDto.class);
         List<QuestDto> questDtos = readListOptional(basePath + "/quests.yaml", QuestDto.class);
+        List<EndingDto> endingDtos = readListOptional(basePath + "/endings.yaml", EndingDto.class);
         GameDto gameDto = readSingle(basePath + "/game.yaml", GameDto.class);
 
         requireUniqueIds("item", itemDtos.stream().map(ItemDto::id).toList());
         requireUniqueIds("npc", npcDtos.stream().map(NpcDto::id).toList());
         requireUniqueIds("room", roomDtos.stream().map(RoomDto::id).toList());
         requireUniqueIds("quest", questDtos.stream().map(QuestDto::id).toList());
+        requireUniqueIds("ending", endingDtos.stream().map(EndingDto::id).toList());
 
         Map<String, Item> items = new HashMap<>();
         for (ItemDto dto : itemDtos) {
@@ -94,6 +99,10 @@ public class WorldLoader {
         for (QuestDto dto : questDtos) {
             quests.put(dto.id(), QuestFactory.fromDto(dto));
         }
+        List<Ending> endings = new ArrayList<>();
+        for (EndingDto dto : endingDtos) {
+            endings.add(EndingFactory.fromDto(dto));
+        }
 
         ReferenceResolver resolver = new ReferenceResolver(items, npcs, rooms);
         resolver.resolveRooms(roomDtos);
@@ -106,7 +115,7 @@ public class WorldLoader {
         Player player = new Player(start, gold);
 
         World world = new World(rooms, items, npcs,
-                gameDto.title(), gameDto.welcomeMessage(), quests);
+                gameDto.title(), gameDto.welcomeMessage(), quests, endings);
         log.info("World '{}' loaded: {} rooms, {} items, {} npcs",
                 gameDto.title(), rooms.size(), items.size(), npcs.size());
         return new LoadResult(world, player);

Semesterprojekt/src/main/java/thb/jeanluc/adventure/loader/dto/EndingDto.java

@@ -0,0 +1,7 @@
+package thb.jeanluc.adventure.loader.dto;
+
+import java.util.List;
+
+/** YAML representation of a game ending. */
+public record EndingDto(String id, String title, Boolean victory, List<ConditionDto> when, String text) {
+}

Semesterprojekt/src/main/java/thb/jeanluc/adventure/model/Ending.java

@@ -0,0 +1,10 @@
+package thb.jeanluc.adventure.model;
+
+import java.util.List;
+
+/** A game ending: shown (and ends the game) when its conditions hold. */
+public record Ending(String id, String title, boolean victory, List<Condition> when, String text) {
+    public Ending {
+        when = when == null ? List.of() : List.copyOf(when);
+    }
+}

Semesterprojekt/src/main/java/thb/jeanluc/adventure/model/World.java

@@ -4,6 +4,7 @@ import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 import thb.jeanluc.adventure.model.item.Item;
 
+import java.util.List;
 import java.util.Map;
 
 /**
@@ -33,9 +34,18 @@ public class World {
     /** Global lookup of quests by id. */
     private final Map<String, Quest> quests;
 
-    /** Backward-compatible constructor for worlds without quests. */
+    /** Ordered list of endings (first matching one wins). */
+    private final List<Ending> endings;
+
+    /** Backward-compatible constructor for worlds without quests or endings. */
     public World(Map<String, Room> rooms, Map<String, Item> items, Map<String, Npc> npcs,
                  String title, String welcomeMessage) {
-        this(rooms, items, npcs, title, welcomeMessage, Map.of());
+        this(rooms, items, npcs, title, welcomeMessage, Map.of(), List.of());
+    }
+
+    /** Backward-compatible constructor for worlds with quests but no endings. */
+    public World(Map<String, Room> rooms, Map<String, Item> items, Map<String, Npc> npcs,
+                 String title, String welcomeMessage, Map<String, Quest> quests) {
+        this(rooms, items, npcs, title, welcomeMessage, quests, List.of());
     }
 }

Semesterprojekt/src/main/resources/world/endings.yaml

@@ -0,0 +1,14 @@
+- id: victory
+  title: "The Manor Reclaimed"
+  victory: true
+  when: [{ flag: manor_secured }]
+  text: |
+    The lights hold steady and the whispers fade to nothing. Whatever held
+    this place has loosened its grip. The manor is yours now.
+- id: fled
+  title: "Into the Night"
+  victory: false
+  when: [{ flag: fled }]
+  text: |
+    You wrench the front door open and bolt into the dark. Safe — but the
+    manor keeps its secrets, and they will keep you awake for years.

Semesterprojekt/src/main/resources/world/items.yaml

@@ -34,3 +34,15 @@
     You pull the lever back; the manor falls dark again.
   effects:
     - { setFlag: power_on }
+
+- type: switchable
+  id: front_door
+  name: Front Door
+  description: The heavy front door. It would let you leave the manor for good.
+  initialState: false
+  onText: |
+    You haul the front door open and step out into the cold night.
+  offText: |
+    You ease the door shut again.
+  effects:
+    - { setFlag: fled }

Semesterprojekt/src/main/resources/world/rooms.yaml

@@ -7,7 +7,7 @@
     north: hallway
     east: cellar
     south: dungeon
-  items: [letter, lamp]
+  items: [letter, lamp, front_door]
   npcs: [old_man]
   exitLocks:
     - direction: east

Semesterprojekt/src/test/java/thb/jeanluc/adventure/game/EndingEngineTest.java

@@ -0,0 +1,50 @@
+package thb.jeanluc.adventure.game;
+
+import org.junit.jupiter.api.Test;
+import thb.jeanluc.adventure.io.TestIO;
+import thb.jeanluc.adventure.model.Condition;
+import thb.jeanluc.adventure.model.Ending;
+import thb.jeanluc.adventure.model.Player;
+import thb.jeanluc.adventure.model.Room;
+import thb.jeanluc.adventure.model.World;
+
+import java.util.List;
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class EndingEngineTest {
+    private GameContext ctx(List<Ending> endings) {
+        Player p = new Player(new Room("k", "K", "d"), 0);
+        World w = new World(Map.of(), Map.of(), Map.of(), "t", "w", Map.of(), endings);
+        return new GameContext(w, p, new TestIO());
+    }
+
+    private Ending ending(String id, boolean victory, String flag) {
+        return new Ending(id, id + "-title", victory,
+                List.of(new Condition(Condition.Type.FLAG, flag)), id + " text");
+    }
+
+    @Test
+    void firstMatchingEndingWinsByOrder() {
+        GameContext ctx = ctx(List.of(ending("victory", true, "won"), ending("fled", false, "fled")));
+        ctx.getState().set("won");
+        ctx.getState().set("fled");
+        assertThat(EndingEngine.triggered(ctx).id()).isEqualTo("victory");
+    }
+
+    @Test
+    void noEndingWhenNoConditionHolds() {
+        GameContext ctx = ctx(List.of(ending("victory", true, "won")));
+        assertThat(EndingEngine.triggered(ctx)).isNull();
+    }
+
+    @Test
+    void renderIncludesTitleTextAndSummary() {
+        GameContext ctx = ctx(List.of(ending("victory", true, "won")));
+        ctx.getState().set("won");
+        String out = EndingEngine.render(EndingEngine.triggered(ctx), ctx, 7).plainText();
+        assertThat(out).contains("victory-title").contains("victory text");
+        assertThat(out).contains("Turns: 7").contains("Quests completed: 0 / 0");
+    }
+}

Semesterprojekt/src/test/java/thb/jeanluc/adventure/loader/EndingLoadingTest.java

@@ -0,0 +1,22 @@
+package thb.jeanluc.adventure.loader;
+
+import org.junit.jupiter.api.Test;
+import thb.jeanluc.adventure.loader.dto.ConditionDto;
+import thb.jeanluc.adventure.loader.dto.EndingDto;
+import thb.jeanluc.adventure.model.Ending;
+
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class EndingLoadingTest {
+    @Test
+    void factoryMapsFields() {
+        Ending e = EndingFactory.fromDto(new EndingDto("victory", "Won", true,
+                List.of(new ConditionDto("manor_secured", null, null)), "You win."));
+        assertThat(e.id()).isEqualTo("victory");
+        assertThat(e.victory()).isTrue();
+        assertThat(e.when()).hasSize(1);
+        assertThat(e.text()).isEqualTo("You win.");
+    }
+}