syndicate-lang
/
syndicate-2017
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Level spawner

This commit is contained in:
Tony Garnock-Jones 2015-10-23 21:12:10 -04:00
parent 8bb1b36073
commit e28841f695
1 changed files with 54 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

76
examples/platformer/game.rkt
View File

@ -1,10 +1,12 @@
#lang prospect
#lang racket/base
(require 2htdp/image)
(require racket/set)
(require racket/match)
(require prospect/drivers/timer)
(require plot/utils) ;; for vector utilities
(require 2htdp/image)
(require prospect)
(require prospect/drivers/timer)
(require prospect-gl/2d)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@ -92,10 +94,11 @@
;;
;; A LevelRunning is a (level-running), an assertion indicating that the
;; current level is still in progress.
(struct level-running () #:transparent)
;;
;; A LevelCompleted is a (level-completed), a message indicating that
;; the current level was *successfully* completed before it terminated.
;;
(struct level-completed () #:transparent)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ## Level Layer Protocols
@ -268,22 +271,24 @@
(match-define (scroll-offset vec) o)
(struct-copy scene-manager-state s [offset vec])))
(spawn (lambda (e s)
(match e
[(? patch? p)
(let* ((s (update-window-size s p))
(s (update-scroll-offset s p)))
(match-define (vector width height) (scene-manager-state-size s))
(match-define (vector ofs-x ofs-y) (scene-manager-state-offset s))
(transition s
(update-scene `((push-matrix (scale ,width ,height)
(texture ,(rectangle 1 1 "solid" "white"))
)
(translate ,ofs-x ,ofs-y))
`())))]
[_ #f]))
(scene-manager-state (vector 0 0) (vector 0 0))
(sub (window ? ?) #:meta-level 1)))
(parameterize ((2d-world-meta-level 1))
(spawn (lambda (e s)
(parameterize ((2d-world-meta-level 1))
(match e
[(? patch? p)
(let* ((s (update-window-size s p))
(s (update-scroll-offset s p)))
(match-define (vector width height) (scene-manager-state-size s))
(match-define (vector ofs-x ofs-y) (scene-manager-state-offset s))
(transition s
(update-scene `((push-matrix
(scale ,width ,height)
(texture ,(rectangle 1 1 "solid" "white")))
(translate ,ofs-x ,ofs-y))
`())))]
[_ #f])))
(scene-manager-state (vector 0 0) (vector 0 0))
(sub (window ? ?) #:meta-level 1))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ScoreKeeper
@ -302,13 +307,40 @@
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; LevelSpawner
(define (spawn-level level-number)
(spawn-world (spawn (lambda (e s)
(and (not s)
(transition #t (assert (level-running) #:meta-level 1))))
#f)
(spawn (lambda (e s) #f)
(void)
(update-sprites (simple-sprite 0 50 50 50 50 (circle 50 "solid" "purple"))))))
(define (spawn-level-spawner)
(void))
(struct level-spawner-state (current-level level-complete?) #:prefab)
(list (spawn-level 0)
(spawn (lambda (e s)
(match-define (level-spawner-state current-level level-complete?) s)
(match e
[(? patch/removed?)
(define next-level (if level-complete? (+ current-level 1) current-level))
(transition (level-spawner-state next-level #f)
(spawn-level next-level))]
[(message (level-completed))
(transition (struct-copy level-spawner-state s [level-complete? #t]) '())]
[_ #f]))
(level-spawner-state 0 #f)
(sub (level-running))
(sub (level-completed)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(2d-world-meta-level 3) ;; TODO ack bleargh. See comment in prospect-gl/2d.rkt
(2d-world #:width 600 #:height 400
(spawn-keyboard-integrator)
(parameterize ((2d-world-meta-level 1)) ;; TODO ick yeughhh
(spawn-keyboard-integrator))
(spawn-scene-manager)
(spawn-world (spawn-score-keeper)
(spawn-level-spawner)