+++ /dev/null
-;;; Dungeon Master --- RPG Adventure Generator
-;;; Copyright © 2019 Javier Sancho <jsf@jsancho.org>
-;;;
-;;; Dungeon Master is free software; you can redistribute it and/or modify it
-;;; under the terms of the GNU General Public License as published by
-;;; the Free Software Foundation; either version 3 of the License, or
-;;; (at your option) any later version.
-;;;
-;;; Dungeon Master is distributed in the hope that it will be useful, but
-;;; WITHOUT ANY WARRANTY; without even the implied warranty of
-;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-;;; General Public License for more details.
-;;;
-;;; You should have received a copy of the GNU General Public License
-;;; along with Dungeon Master. If not, see <http://www.gnu.org/licenses/>.
-
-
-(define-module (dungeon-master generators town)
- #:use-module (dungeon-master geom voronoi)
- #:use-module (dungeon-master geom point)
- #:export (generate))
-
-(define (random-bool)
- (= (random 2) 1))
-
-(define pi 3.141592654)
-(define relax-steps 3)
-
-(define (generate patches)
- "City generator from https://github.com/watabou/TownGeneratorOS/blob/master/Source/com/watabou/towngenerator/building/Model.hx"
- (set! *random-state* (random-state-from-platform))
- (when (= patches -1) (set! patches 15))
- (build-patches patches))
-
-(define (build-patches n-patches)
- (define* (get-points n seed #:optional (l '()))
- (cond ((>= n 0)
- (let* ((a (+ seed (* (sqrt n) 5)))
- (r (if (= n 0)
- 0
- (+ 10 (* n (+ 2 (random:exp))))))
- (point (make-point
- (* (cos a) r)
- (* (sin a) r))))
- (get-points (- n 1) seed (cons point l))))
- (else
- l)))
-
- (define (relax voronoi n step)
- "Relaxing central wards"
- (cond ((> step 0)
- (let* ((voronoi-points (voronoi-mesh-points voronoi))
- (n-points (length voronoi-points))
- (to-relax (cons (list-ref voronoi-points (- n-points n-patches))
- (list-tail voronoi-points (- n-points 3)))))
- (relax (voronoi-mesh-relax voronoi to-relax) n (- step 1))))
- (else
- voronoi)))
-
- (let* ((sa (* (random:exp) 2 pi))
- (points (get-points (* 8 n-patches) sa))
- (voronoi (relax (make-voronoi-mesh points) n-patches relax-steps)))
- "end"))