Use rot-js to create dungeon layout

src/engine/__tests__/simulation.test.ts

@@ -85,7 +85,16 @@ describe('Combat Simulation', () => {
       it("should attack if player is adjacent", () => {
           const actors = new Map<EntityId, Actor>();
           const player = { id: 1, category: "combatant", isPlayer: true, pos: { x: 4, y: 3 }, stats: createTestStats() } as any;
-          const enemy = { id: 2, category: "combatant", isPlayer: false, pos: { x: 3, y: 3 }, stats: createTestStats() } as any;
+          const enemy = { 
+            id: 2, 
+            category: "combatant", 
+            isPlayer: false, 
+            pos: { x: 3, y: 3 }, 
+            stats: createTestStats(),
+            // Set AI state to pursuing so the enemy will attack when adjacent
+            aiState: "pursuing",
+            lastKnownPlayerPos: { x: 4, y: 3 }
+          } as any;
           actors.set(1, player);
           actors.set(2, enemy);
 

src/engine/world/generator.ts

@@ -2,6 +2,7 @@ import { type World, type EntityId, type RunState, type Tile, type Actor, type V
 import { idx } from "./world-logic";
 import { GAME_CONFIG } from "../../core/config/GameConfig";
 import { seededRandom } from "../../core/math";
+import * as ROT from "rot-js";
 
 interface Room {
   x: number;
@@ -11,7 +12,7 @@ interface Room {
 }
 
 /**
- * Generates a procedural dungeon world with rooms and corridors
+ * Generates a procedural dungeon world with rooms and corridors using rot-js Uniform algorithm
  * @param floor The floor number (affects difficulty)
  * @param runState Player's persistent state across floors
  * @returns Generated world and player ID
@@ -23,7 +24,10 @@ export function generateWorld(floor: number, runState: RunState): { world: World
 
   const random = seededRandom(floor * 12345);
 
-  const rooms = generateRooms(width, height, tiles, random);
+  // Set ROT's RNG seed for consistent dungeon generation
+  ROT.RNG.setSeed(floor * 12345);
+
+  const rooms = generateRooms(width, height, tiles);
   
   // Place player in first room
   const firstRoom = rooms[0];
@@ -62,80 +66,39 @@ export function generateWorld(floor: number, runState: RunState): { world: World
 }
 
 
-function generateRooms(width: number, height: number, tiles: Tile[], random: () => number): Room[] {
+function generateRooms(width: number, height: number, tiles: Tile[]): Room[] {
   const rooms: Room[] = [];
-  const numRooms = GAME_CONFIG.map.minRooms + Math.floor(random() * (GAME_CONFIG.map.maxRooms - GAME_CONFIG.map.minRooms + 1));
   
-  const fakeWorldForIdx = { width, height };
+  // Create rot-js Uniform dungeon generator
+  const dungeon = new ROT.Map.Uniform(width, height, {
+    roomWidth: [GAME_CONFIG.map.roomMinWidth, GAME_CONFIG.map.roomMaxWidth],
+    roomHeight: [GAME_CONFIG.map.roomMinHeight, GAME_CONFIG.map.roomMaxHeight],
+    roomDugPercentage: 0.3, // 30% of the map should be rooms/corridors
+  });
 
-  for (let i = 0; i < numRooms; i++) {
-    const roomWidth = GAME_CONFIG.map.roomMinWidth + Math.floor(random() * (GAME_CONFIG.map.roomMaxWidth - GAME_CONFIG.map.roomMinWidth + 1));
-    const roomHeight = GAME_CONFIG.map.roomMinHeight + Math.floor(random() * (GAME_CONFIG.map.roomMaxHeight - GAME_CONFIG.map.roomMinHeight + 1));
-    const roomX = 1 + Math.floor(random() * (width - roomWidth - 2));
-    const roomY = 1 + Math.floor(random() * (height - roomHeight - 2));
-    
-    const newRoom: Room = { x: roomX, y: roomY, width: roomWidth, height: roomHeight };
-    
-    if (!doesOverlap(newRoom, rooms)) {
-      carveRoom(newRoom, tiles, fakeWorldForIdx);
-      
-      if (rooms.length > 0) {
-        carveCorridor(rooms[rooms.length - 1], newRoom, tiles, fakeWorldForIdx, random);
-      }
-      
-      rooms.push(newRoom);
+  // Generate the dungeon
+  dungeon.create((x, y, value) => {
+    if (value === 0) {
+      // 0 = floor, 1 = wall
+      tiles[y * width + x] = GAME_CONFIG.terrain.empty;
     }
+  });
+
+  // Extract room information from the generated dungeon
+  const roomData = (dungeon as any).getRooms();
+  
+  for (const room of roomData) {
+    rooms.push({
+      x: room.getLeft(),
+      y: room.getTop(),
+      width: room.getRight() - room.getLeft() + 1,
+      height: room.getBottom() - room.getTop() + 1
+    });
   }
+
   return rooms;
 }
 
-function doesOverlap(newRoom: Room, rooms: Room[]): boolean {
-  for (const room of rooms) {
-    if (
-      newRoom.x < room.x + room.width + 1 &&
-      newRoom.x + newRoom.width + 1 > room.x &&
-      newRoom.y < room.y + room.height + 1 &&
-      newRoom.y + newRoom.height + 1 > room.y
-    ) {
-      return true;
-    }
-  }
-  return false;
-}
-
-function carveRoom(room: Room, tiles: Tile[], world: any): void {
-  for (let x = room.x; x < room.x + room.width; x++) {
-    for (let y = room.y; y < room.y + room.height; y++) {
-      tiles[idx(world, x, y)] = GAME_CONFIG.terrain.empty;
-    }
-  }
-}
-
-function carveCorridor(room1: Room, room2: Room, tiles: Tile[], world: any, random: () => number): void {
-  const x1 = Math.floor(room1.x + room1.width / 2);
-  const y1 = Math.floor(room1.y + room1.height / 2);
-  const x2 = Math.floor(room2.x + room2.width / 2);
-  const y2 = Math.floor(room2.y + room2.height / 2);
-
-  if (random() < 0.5) {
-    // Horizontal then vertical
-    for (let x = Math.min(x1, x2); x <= Math.max(x1, x2); x++) {
-      tiles[idx(world, x, y1)] = GAME_CONFIG.terrain.empty;
-    }
-    for (let y = Math.min(y1, y2); y <= Math.max(y1, y2); y++) {
-      tiles[idx(world, x2, y)] = GAME_CONFIG.terrain.empty;
-    }
-  } else {
-    // Vertical then horizontal
-    for (let y = Math.min(y1, y2); y <= Math.max(y1, y2); y++) {
-      tiles[idx(world, x1, y)] = GAME_CONFIG.terrain.empty;
-    }
-    for (let x = Math.min(x1, x2); x <= Math.max(x1, x2); x++) {
-      tiles[idx(world, x, y2)] = GAME_CONFIG.terrain.empty;
-    }
-  }
-}
-
 function decorate(width: number, height: number, tiles: Tile[], random: () => number, exit: Vec2): void {
   const world = { width, height };