--- /dev/null
+(set-game-properties! #:title "Gacela Tetris" #:fps 15)
+
+(define (tetramine-i)
+ (let ((color '(1 0 0)))
+ `((,color ,color ,color ,color))))
+
+(define (tetramine-j)
+ (let ((color '(1 0.5 0)))
+ `((,color ,color ,color)
+ (#f #f ,color))))
+
+(define (tetramine-l)
+ (let ((color '(1 0 1)))
+ `((#f #f ,color)
+ (,color ,color ,color))))
+
+(define (tetramine-o)
+ (let ((color '(0 0 1)))
+ `((,color ,color)
+ (,color ,color))))
+
+(define (tetramine-s)
+ (let ((color '(0 1 0)))
+ `((#f ,color ,color)
+ (,color ,color #f))))
+
+(define (tetramine-t)
+ (let ((color '(0.5 0 0)))
+ `((,color ,color ,color)
+ (#f ,color #f))))
+
+(define (tetramine-z)
+ (let ((color '(0 1 1)))
+ `((,color ,color #f)
+ (#f ,color ,color))))
+
+(define (random-tetramine)
+ (let ((n (random 7)))
+ (cond ((= n 0) (tetramine-i))
+ ((= n 1) (tetramine-j))
+ ((= n 2) (tetramine-l))
+ ((= n 3) (tetramine-o))
+ ((= n 4) (tetramine-s))
+ ((= n 5) (tetramine-t))
+ ((= n 6) (tetramine-z)))))
+
+(define (draw-cell cell)
+ (cond ((and cell (not (null? cell)))
+ (with-color cell (draw-square #:size 20)))))
+
+(define (draw-row row)
+ (for-each (lambda (cell) (draw-cell cell) (translate 23 0)) row))
+
+(define (draw-grid grid)
+ (for-each (lambda (row) (draw-row row) (translate (* -23 (length row)) -23)) grid))
+
+(define* (join-rows source destination #:optional (offset 0))
+ (cond ((null? source) destination)
+ ((null? destination) '())
+ ((> offset 0) (cons (car destination) (join-rows source (cdr destination) (- offset 1))))
+ (else (cons (or (car source) (car destination))
+ (join-rows (cdr source) (cdr destination) offset)))))
+
+(define* (join-grids source destination #:optional (x 0) (y 0))
+ (cond ((null? source) destination)
+ ((null? destination) '())
+ ((> y 0) (cons (car destination)
+ (join-grids source (cdr destination) x (- y 1))))
+ (else (cons (join-rows (car source) (car destination) x)
+ (join-grids (cdr source) (cdr destination) x y)))))
+
+(define* (collide-rows row1 row2 #:optional (offset 0))
+ (cond ((or (null? row1) (null? row2)) #f)
+ ((> offset 0) (collide-rows row1 (cdr row2) (- offset 1)))
+ (else (or (and (car row1) (car row2)) (collide-rows (cdr row1) (cdr row2))))))
+
+(define* (collide-grids grid1 grid2 #:optional (x 0) (y 0))
+ (cond ((or (null? grid1) (null? grid2)) #f)
+ ((> y 0) (collide-grids grid1 (cdr grid2) x (- y 1)))
+ (else (or (collide-rows (car grid1) (car grid2) x)
+ (collide-grids (cdr grid1) (cdr grid2) x y)))))
+
+(define (rotate-tetramine grid)
+ (define (rot grid res)
+ (cond ((null? grid) res)
+ (else (rot (cdr grid) (map cons (car grid) res)))))
+ (rot grid (make-list (length (car grid)))))
+
+(define (row-completed row)
+ (cond ((null? row) #t)
+ (else (and (car row) (row-completed (cdr row))))))
+
+(define (remove-rows-completed grid)
+ (let ((res (filter (lambda (x) (not (row-completed x))) grid)))
+ (define (fill grid n)
+ (cond ((< n 1) grid)
+ (else (fill (cons (make-list 14 #f) grid) (- n 1)))))
+ (inc-points (- (length grid) (length res)))
+ (fill res (- 20 (length res)))))
+
+(define get-points #f)
+(define get-lines #f)
+(define inc-points #f)
+
+(let ((points 0) (lines 0))
+ (set! get-points
+ (lambda ()
+ points))
+
+ (set! get-lines
+ (lambda ()
+ lines))
+
+ (set! inc-points
+ (lambda (l)
+ (define (more-lines-better n)
+ (cond ((= n 0) n)
+ (else (+ n (more-lines-better (- n 1))))))
+ (set! points (+ points (* (more-lines-better l) 10)))
+ (set! lines (+ lines l)))))
+
+(define game #f)
+(define display-game-over #f)
+(define tetramine #f)
+
+(let ((current-tetramine (random-tetramine)) (x 6) (y 0)
+ (next (random-tetramine))
+ (timer (make-timer))
+ (grid (make-list 20 (make-list 14 #f)))
+ (background (load-texture "fondo_tetris.png"))
+ (font (load-font "lazy.ttf" #:size 20))
+ (game-over #f))
+
+ (set! game
+ (lambda ()
+ (if game-over (display-game-over) (tetramine))))
+
+ (set! display-game-over
+ (lambda ()
+ (translate -100 0)
+ (render-text "Game Over" font #:size 50)))
+
+ (set! tetramine
+ (lambda ()
+ (cond ((eq? (get-state timer) 'stopped) (start-timer timer)))
+
+ (cond ((key? 'right)
+ (cond ((not (collide-grids current-tetramine grid (+ x 1) y))
+ (set! x (+ x 1))))))
+ (cond ((key? 'left)
+ (cond ((not (collide-grids current-tetramine grid (- x 1) y))
+ (set! x (- x 1))))))
+ (cond ((< x 0) (set! x 0))
+ ((> (+ x (length (car current-tetramine))) 14) (set! x (- 14 (length (car current-tetramine))))))
+
+ (cond ((key-pressed? 'up)
+ (let ((t1 (rotate-tetramine current-tetramine)))
+ (cond ((not (collide-grids t1 grid x y))
+ (set! current-tetramine t1))))))
+
+ (cond ((or (key? 'down) (> (get-time timer) 5000))
+ (cond ((or (collide-grids current-tetramine grid x (+ y 1))
+ (> (+ y 1 (length current-tetramine)) 20))
+ (set! grid (remove-rows-completed (join-grids current-tetramine grid x y)))
+ (set! current-tetramine next)
+ (set! x 6)
+ (set! y 0)
+ (cond ((collide-grids current-tetramine grid x y) (set! game-over #t)))
+ (set! next (random-tetramine)))
+ (else
+ (set! y (+ y 1))
+ (start-timer timer)))))
+ (draw-texture background)
+ (translate -288 218)
+ (draw-grid (join-grids current-tetramine grid x y))
+ (translate 440 440)
+ (draw-grid next)
+ (translate -40 -100)
+ (render-text (format #f "Points: ~a" (get-points)) font)
+ (translate 0 -30)
+ (render-text (format #f "Lines: ~a" (get-lines)) font))))
+
+(let ((frame 0.0) (fps (make-timer)) (update (make-timer)))
+ (start-timer update)
+ (start-timer fps)
+ (run-game
+ (game)
+ (set! frame (+ frame 1))
+ (cond ((> (get-time update) 1000)
+ (display (/ frame (/ (get-time fps) 1000.0)))
+ (newline)
+ (start-timer update)))))
projects / gacela.git / blobdiff