Volodia
b947fbb7fb
- 19 TypeScript modules under src/ (constants, entities, room, game, render) - Canvas 2D rendering with dark fantasy palette - Room-based navigation, random 7x7 map generation - Two combat modes: ranged (pistol) and melee (knife) - Wall collision with door opening support - Minimap, HP bar, enemy AI - Bun build pipeline: src/main.ts -> dist/main.js + dist/index.html
90 lines
2.4 KiB
TypeScript
90 lines
2.4 KiB
TypeScript
import { MAP_RADIUS, MIN_ROOMS, EXTRA_ROOMS } from '../constants';
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import { Room } from './Room';
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import type { RoomType } from '../types';
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import { shuffle, ri } from '../math';
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import { OPP } from '../doors';
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export class RoomMap {
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rooms: Map<string, Room> = new Map();
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key(c: number, r: number): string {
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return c + ',' + r;
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}
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get(c: number, r: number): Room | undefined {
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return this.rooms.get(this.key(c, r));
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}
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has(c: number, r: number): boolean {
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return this.rooms.has(this.key(c, r));
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}
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private add(c: number, r: number, type: RoomType): Room {
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const room = new Room(c, r, type);
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this.rooms.set(this.key(c, r), room);
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return room;
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}
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hasBoss(): boolean {
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for (const room of this.rooms.values()) {
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if (room.type === 'boss') return true;
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}
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return false;
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}
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/** Generate a connected 7×7 grid of rooms using a random walk */
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generate(): void {
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this.add(0, 0, 'spawn');
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const frontier: [number, number][] = [[0, 0]];
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let count = 1;
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const target = MIN_ROOMS + ri(0, EXTRA_ROOMS);
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const dirs: [string, number, number][] = [
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['up', 0, -1],
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['down', 0, 1],
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['left', -1, 0],
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['right', 1, 0],
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];
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while (frontier.length > 0 && count < target) {
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const idx = ri(0, frontier.length - 1);
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const [cr, cc] = frontier[idx];
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shuffle(dirs);
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let added = false;
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for (const [_d, dc, dr] of dirs) {
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if (count >= target) break;
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const nc = cr + dc;
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const nr = cc + dr;
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if (Math.abs(nc) > MAP_RADIUS || Math.abs(nr) > MAP_RADIUS) continue;
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if (this.has(nc, nr)) continue;
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let type: RoomType = 'normal';
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if (!this.hasBoss() && (count === target - 1 || (Math.random() < 0.2 && count >= 3))) {
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type = 'boss';
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} else if (Math.random() < 0.12 && count >= 2) {
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type = 'treasure';
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}
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this.add(nc, nr, type);
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const dir = _d as keyof typeof OPP;
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this.get(cr, cc)!.doors[dir] = true;
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this.get(nc, nr)!.doors[OPP[dir] as keyof typeof OPP] = true;
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frontier.push([nc, nr]);
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count++;
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added = true;
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}
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if (!added) frontier.splice(idx, 1);
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}
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// Ensure at least one boss room exists
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if (!this.hasBoss()) {
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const normals = [...this.rooms.values()].filter(r => r.type === 'normal');
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if (normals.length > 0) {
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normals[ri(0, normals.length - 1)].type = 'boss';
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}
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}
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}
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}
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