feat(io): adaptive ASCII map width; document map command, mark sub-project done

AsciiMap sizes room boxes to the longest visible name (capped) so names
like 'Dark Hallway' are no longer truncated; connector centering follows.

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

Semesterprojekt/README.md

@@ -46,6 +46,7 @@ mvn exec:java@gui   # Swing-GUI    (thb.jeanluc.adventure.AppGui)
 |---|---|---|
 | `go <richtung>` | `move`, `walk` | In eine Himmelsrichtung gehen |
 | `look` | `l` | Aktuellen Raum beschreiben |
+| `map` | `m` | Karte der erkundeten Räume anzeigen |
 | `inventory` | `inv`, `i` | Inventar anzeigen |
 | `take <item>` | `pick`, `get` | Gegenstand aufnehmen |
 | `drop <item>` | `put` | Gegenstand ablegen |

Semesterprojekt/docs/enhancement-ideas.md

@@ -56,7 +56,14 @@ Farb-Rollen: Items / NPCs / Exits / Heading / Gefahr.
   - **Konsole**: Font nicht kontrollierbar → gestufte Fallbacks
     (reines ASCII → Unicode-Box-Drawing → Nerd-Glyphen) statt harter Annahme.
 
-### 3. Karte / Map
+### 3. Karte / Map  ✅ umgesetzt (Branch `feature/map`)
+
+> Umgesetzt: `MapLayout` (BFS-Gitter-Layout + Fog of War), `MapView`-Modell,
+> GUI-`MapPanel` (Graphics2D, ersetzt die Exit-Liste), Konsolen-ASCII via
+> `AsciiMap` + `map`-Befehl, Besuchte-Räume-Tracking auf `Player`, Map-Push pro Zug.
+> Item/NPC-Marker und Türen-Styling offen (Quest-Teilprojekt). Spec/Plan unter
+> `docs/superpowers/`.
+
 
 - Übersichtskarte der Räume – in **beiden** Modi.
 - Konsole: ASCII-Map. GUI: gezeichnete Map (Grid/Graph).

Semesterprojekt/src/main/java/thb/jeanluc/adventure/io/text/AsciiMap.java

@@ -11,8 +11,9 @@ import java.util.Set;
  */
 public final class AsciiMap {
 
-    private static final int INNER = 7;   // room name field width
+    private static final int MIN_INNER = 7;   // minimum room name field width
-    private static final int GAP = 3;     // horizontal corridor width
+    private static final int MAX_INNER = 14;  // cap so the map stays compact
+    private static final int GAP = 3;         // horizontal corridor width
 
     private AsciiMap() {
     }
@@ -24,10 +25,12 @@ public final class AsciiMap {
 
         int maxX = 0;
         int maxY = 0;
+        int inner = MIN_INNER;
         Map<Long, RoomCell> at = new HashMap<>();
         for (RoomCell c : view.cells()) {
             maxX = Math.max(maxX, c.x());
             maxY = Math.max(maxY, c.y());
+            inner = Math.max(inner, Math.min(MAX_INNER, c.name().length()));
             at.put(key(c.x(), c.y()), c);
         }
 
@@ -50,19 +53,23 @@ public final class AsciiMap {
         String hz = unicode ? "─" : "-";
         String vt = unicode ? "│" : "|";
 
+        int boxW = inner + 2;
+        int leftPad = (boxW - 1) / 2;
+        int rightPad = boxW - 1 - leftPad;
+
         StyledText.Builder b = StyledText.builder();
         for (int gy = 0; gy <= maxY; gy++) {
             for (int line = 0; line < 3; line++) {
                 for (int gx = 0; gx <= maxX; gx++) {
                     RoomCell c = at.get(key(gx, gy));
                     if (c == null) {
-                        b.plain(" ".repeat(INNER + 2));
+                        b.plain(" ".repeat(boxW));
                     } else if (line == 0) {
-                        styled(b, tl + hz.repeat(INNER) + tr, c.state());
+                        styled(b, tl + hz.repeat(inner) + tr, c.state());
                     } else if (line == 2) {
-                        styled(b, bl + hz.repeat(INNER) + br, c.state());
+                        styled(b, bl + hz.repeat(inner) + br, c.state());
                     } else {
-                        styled(b, vt + center(label(c), INNER) + vt, c.state());
+                        styled(b, vt + center(label(c, inner), inner) + vt, c.state());
                     }
                     if (gx < maxX) {
                         if (line == 1 && hEdge.contains(key(gx, gy))) {
@@ -77,9 +84,9 @@ public final class AsciiMap {
             if (gy < maxY) {
                 for (int gx = 0; gx <= maxX; gx++) {
                     if (vEdge.contains(key(gx, gy))) {
-                        b.plain(" ".repeat(4)).dim(vt).plain(" ".repeat(4));
+                        b.plain(" ".repeat(leftPad)).dim(vt).plain(" ".repeat(rightPad));
                     } else {
-                        b.plain(" ".repeat(INNER + 2));
+                        b.plain(" ".repeat(boxW));
                     }
                     if (gx < maxX) {
                         b.plain(" ".repeat(GAP));
@@ -99,10 +106,10 @@ public final class AsciiMap {
         }
     }
 
-    private static String label(RoomCell c) {
+    private static String label(RoomCell c, int inner) {
         String n = c.name();
-        if (n.length() > INNER) {
+        if (n.length() > inner) {
-            n = n.substring(0, INNER);
+            n = n.substring(0, inner);
         }
         return n;
     }