diff options
Diffstat (limited to 'examples/guile-2048')
-rwxr-xr-x | examples/guile-2048/guile-2048.scm | 482 | ||||
-rw-r--r-- | examples/guile-2048/tile.png | bin | 585 -> 0 bytes |
2 files changed, 0 insertions, 482 deletions
diff --git a/examples/guile-2048/guile-2048.scm b/examples/guile-2048/guile-2048.scm deleted file mode 100755 index 637650b..0000000 --- a/examples/guile-2048/guile-2048.scm +++ /dev/null @@ -1,482 +0,0 @@ -#! /usr/bin/env guile -!# - -;;; guile-2048 -;;; Copyright (C) 2014 David Thompson <dthompson2@worcester.edu> -;;; -;;; This program 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. -;;; -;;; This program 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 this program. If not, see -;;; <http://www.gnu.org/licenses/>. - -;;; Commentary: -;; -;; Clone of the official 2048 game at http://gabrielecirulli.github.io/2048/ -;; -;;; Code: - -(use-modules (srfi srfi-1) - (srfi srfi-9) - (srfi srfi-11) - (srfi srfi-26) - (srfi srfi-42) - (ice-9 match) - (ice-9 rdelim) - (gl) - (2d audio) - (2d color) - (2d font) - (2d game) - (2d keyboard) - (2d rect) - (2d signal) - (2d sprite) - (2d texture) - (2d vector2) - (2d window) - (2d repl)) -;;; -;;; Helpers -;;; - -(define* (flat-map proc lst . rest) - (concatenate (apply map proc lst rest))) - -(define (enumerate lst) - (zip (iota (length lst)) lst)) - -;;; -;;; Game Board -;;; - -(define board-size 4) - -(define (double x) - (* x 2)) - -(define (strip-zeros lst) - (delete 0 lst)) - -(define (pad-zeros lst size) - (append lst (make-list (max (- size (length lst)) 0) 0))) - -(define (merge lst) - (match lst - ((x x . rest) - (cons (double x) (merge rest))) - ((x . rest) - (cons x (merge rest))) - (_ '()))) - -(define (points a b) - (define (iter a b p) - (cond ((or (null? a) - (null? b)) - p) - ((= (car a) (car b)) - (iter (cdr a) (cdr b) p)) - (else - (iter (cddr a) (cdr b) (+ p (car b)))))) - (iter a b 0)) - -;; Merge list and accumulate points. -(define (merge-row row) - (let* ((stripped (strip-zeros row)) - (merged (merge stripped))) - (list (points stripped merged) - (pad-zeros merged board-size)))) - -(define (transpose board) - (if (null? (car board)) - '() - (cons (map car board) - (transpose (map cdr board))))) - -(define (board-shift-left board) - (map merge-row board)) - -(define (board-shift-right board) - (map (lambda (row) - (let ((merged (merge-row (reverse row)))) - (list (first merged) (reverse (second merged))))) - board)) - -(define (board-shift-up board) - (let-values (((points board) - (unzip2 (board-shift-left (transpose board))))) - (zip points (transpose board)))) - -(define (board-shift-down board) - (let-values (((points board) - (unzip2 (board-shift-right (transpose board))))) - (zip points (transpose board)))) - -(define (board-shift board direction) - (match direction - ('up - (board-shift-up board)) - ('down - (board-shift-down board)) - ('left - (board-shift-left board)) - ('right - (board-shift-right board)) - (_ board))) - -(define (board-shift-and-accum-points board direction) - (let-values (((points board) - (unzip2 (board-shift board direction)))) - (values (reduce + 0 points) - board))) - -(define (random-tile) - (list-ref '(2 4) (random 2))) - -;; So gross. -(define (board-insert board) - (let ((x (random board-size)) - (y (random board-size))) - (if (zero? (list-ref (list-ref board y) x)) - (append (take board y) - (let ((rows (drop board y))) - (cons (let ((cells (car rows))) - (append (take cells x) - (let ((rest (drop cells x))) - (cons (random-tile) - (cdr rest))))) - (cdr rows)))) - (board-insert board)))) - -(define (board-find board n) - (list? - (any (lambda (row) - (memq n row)) - board))) - -(define (board-win? board) - (board-find (make-board) 2048)) - -(define (board-lose? board) - (define (full? row) - (define (iter row prev) - (cond ((null? row) - #t) - ((or (zero? (car row)) - (= (car row) prev)) - #f) - (else - (iter (cdr row) (car row))))) - (iter row 0)) - (and (every full? board) - (every full? (transpose board)))) - -(define null-board - '((0 0 0 0) - (0 0 0 0) - (0 0 0 0) - (0 0 0 0))) - -(define (make-board) - (board-insert (board-insert null-board))) - -;;; -;;; Game State -;;; - -(define save-file - (string-join (list (getenv "HOME") ".guile-2048") - file-name-separator-string)) - -(define-record-type <2048> - (make-2048 board score best-score) - 2048? - (board 2048-board) - (score 2048-score) - (best-score 2048-best-score)) - -(define* (new-game #:optional (previous #f)) - (let ((best-score (if previous - (choose-best-score previous) - (load-best-score)))) - (make-2048 (make-board) 0 best-score))) - -(define (load-best-score) - (if (file-exists? save-file) - (with-input-from-file save-file - (lambda () - (let ((score (string->number (read-string)))) - (if (number? score) score 0)))) - 0)) - -(define (save-best-score state) - (with-output-to-file save-file - (lambda () - (format #t "~d" (choose-best-score state))))) - -(define (choose-best-score state) - (max (2048-score state) (2048-best-score state))) - -(define-signal controls - (signal-filter - (lambda (key) - (any (cut eq? key <>) - '(up down left right n))) - #f key-last-down)) - -(define-signal 2048-state - (signal-fold - (lambda (key prev) - (if (eq? key 'n) - (new-game prev) - (let-values (((points new-board) - (board-shift-and-accum-points (2048-board prev) key))) - (let ((score (+ (2048-score prev) points))) - ;; Only insert a new tile if there's room and the board - ;; was actually shifted. - (if (and (not (equal? (2048-board prev) new-board)) - (board-find new-board 0)) - (make-2048 (board-insert new-board) score - (2048-best-score prev)) - (make-2048 new-board score (2048-best-score prev))))))) - (new-game) - controls)) - -;; For convenience -(define-signal board - (signal-map 2048-board 2048-state)) - -(define-signal score-saver - (signal-tap (lambda (state) - (when (board-lose? (2048-board state)) - (save-best-score state))) - 2048-state)) - -;;; -;;; Rendering -;;; - -(open-window) -(enable-sprites) -(enable-fonts) -(enable-audio) - -(define background (rgb #xfaf8ef)) - -(set-gl-clear-color (color-r background) - (color-g background) - (color-b background) - (color-a background)) - -(define tile-texture (load-texture "tile.png")) - -(define font (load-default-font 32)) - -(define-record-type <tile> - (%make-tile background label) - tile? - (background tile-background) - (label tile-label)) - -(define text-color-1 (rgb #x776e65)) -(define text-color-2 (rgb #xf9f6f2)) - -(define tile-properties - `((0 . ((bg-color . ,(rgba #xeee4daaa)) - (text-color . ,text-color-1))) - (2 . ((bg-color . ,(rgb #xeee4da)) - (text-color . ,text-color-1))) - (4 . ((bg-color . ,(rgb #xede0c8)) - (text-color . ,text-color-1))) - (8 . ((bg-color . ,(rgb #xf2b179)) - (text-color . ,text-color-2))) - (16 . ((bg-color . ,(rgb #xf59563)) - (text-color . ,text-color-2))) - (32 . ((bg-color . ,(rgb #xf67c5f)) - (text-color . ,text-color-2))) - (64 . ((bg-color . ,(rgb #xf65e3b)) - (text-color . ,text-color-2))) - (128 . ((bg-color . ,(rgb #xedcf72)) - (text-color . ,text-color-2))) - (256 . ((bg-color . ,(rgb #xedcc61)) - (text-color . ,text-color-2))) - (512 . ((bg-color . ,(rgb #xedc850)) - (text-color . ,text-color-2))) - (1024 . ((bg-color . ,(rgb #xedc53f)) - (text-color . ,text-color-2))) - (2048 . ((bg-color . ,(rgb #xedc22e)) - (text-color . ,text-color-2))))) - -(define (tile-bg-color n) - (assoc-ref (assoc-ref tile-properties n) 'bg-color)) - -(define (tile-text-color n) - (assoc-ref (assoc-ref tile-properties n) 'text-color)) - -(define (make-tile x y n) - (let* ((w (texture-width tile-texture)) - (h (texture-height tile-texture)) - (background - (make-sprite tile-texture - #:position (center - (vector2 - (* x w) - (* y h))) - #:color (tile-bg-color n) - #:anchor null-vector2)) - (label - (make-label font - (if (zero? n) " " (number->string n)) - (center - (vector2 (+ (* x w) - (/ w 2)) - (+ (* y h) - (/ h 2)))) - #:color (tile-text-color n) - #:anchor 'center))) - (%make-tile background label))) - -(define (draw-tile tile) - (draw-sprite (tile-background tile)) - (draw-label (tile-label tile))) - -(define window-width 640) -(define window-height 480) -(define board-width - (* board-size (texture-width tile-texture))) -(define board-height - (* board-size (texture-height tile-texture))) -(define center-pos - (vector2 (/ (- window-width board-width) 2) - (- window-height board-height 8))) - -(define (center v) - (v+ v center-pos)) - -(define (enumerate-board board) - (enumerate (map (cut enumerate <>) board))) - -;; Transform board into a list of tile objects. -(define-signal tiles - (signal-map - (lambda (board) - (flat-map - (lambda (row) - (let ((y (first row)) - (row (second row))) - (map (lambda (cell) - (let ((x (first cell)) - (n (second cell))) - (make-tile x y n))) - row))) - (enumerate-board board))) - board)) - -(define-signal status - (signal-map - (lambda (board) - (let ((message (cond ((board-lose? board) "GAME OVER") - ((board-win? board) "YOU WIN!") - (else "")))) - (make-label font message - (center - (vector2 (/ board-width 2) - (/ board-height 2))) - #:color black - #:anchor 'bottom-center))) - board)) - -(define play-again-font (load-default-font 16)) - -(define-signal play-again-message - (signal-map - (lambda (board) - (make-label play-again-font - (if (or (board-lose? board) - (board-win? board)) - "Press N to play again" - "") - (center - (vector2 (/ board-width 2) - (/ board-height 2))) - #:color black - #:anchor 'top-center)) - board)) - -(define instruction-font (load-default-font 16)) - -(define instructions - (make-label instruction-font - "Use the arrow keys to join the numbers and get to the 2048 tile!" - (vector2 (/ window-width 2) 0) - #:color text-color-1 - #:anchor 'top-center)) - -(define score-header-font (load-default-font 14)) -(define score-font (load-default-font 22)) - -(define score-header - (make-label score-header-font - "SCORE" - (vector2 (+ (vx center-pos) (/ board-width 4)) 24) - #:color text-color-1 - #:anchor 'top-center)) - -(define-signal score - (signal-map - (lambda (state) - (make-label score-font - (format #f "~d" (2048-score state)) - (vector2 (vx (label-position score-header)) - (+ (vy (label-position score-header)) 32)) - #:color text-color-1 - #:anchor 'center)) - 2048-state)) - -(define best-score-header - (make-label score-header-font - "BEST" - (vector2 (+ (vx center-pos) (- board-width (/ board-width 4))) 24) - #:color text-color-1 - #:anchor 'top-center)) - -(define-signal best-score - (signal-map - (lambda (state) - (make-label score-font - (format #f "~d" (2048-best-score state)) - (vector2 (vx (label-position best-score-header)) - (+ (vy (label-position best-score-header)) 32)) - #:color text-color-1 - #:anchor 'center)) - 2048-state)) - -(define (render) - (for-each draw-tile (signal-ref tiles)) - (draw-label instructions) - (draw-label score-header) - (draw-label best-score-header) - (draw-label (signal-ref score)) - (draw-label (signal-ref best-score)) - (draw-label (signal-ref status)) - (draw-label (signal-ref play-again-message))) - -;;; -;;; Initialization -;;; - -(start-2d-repl) - -(add-hook! window-close-hook stop-game-loop) -(add-hook! draw-hook (lambda (dt alpha) (render))) - -(with-window (make-window #:title "2048") - (start-game-loop)) diff --git a/examples/guile-2048/tile.png b/examples/guile-2048/tile.png Binary files differdeleted file mode 100644 index 3d6f82c..0000000 --- a/examples/guile-2048/tile.png +++ /dev/null |