+;;; 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)
(= (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"
(when (= patches -1) (set! patches 15))
(build-patches patches))
-(define (build-patches patches)
+(define (build-patches n-patches)
(define* (get-points n seed #:optional (l '()))
- (cond ((> n 0)
+ (cond ((>= n 0)
(let* ((a (+ seed (* (sqrt n) 5)))
(r (if (= n 0)
0
(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 patches) sa))
- (voronoi (make-voronoi-mesh points)))
- (format #t "~a~%~%~a~%" (voronoi-mesh-frame voronoi) (voronoi-mesh-points voronoi))))
+ (points (get-points (* 8 n-patches) sa))
+ (voronoi (relax (make-voronoi-mesh points) n-patches relax-steps)))
+ "end"))