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(define-module (bonnie-bee player)
#:use-module (bonnie-bee actor)
#:use-module (bonnie-bee assets)
#:use-module (bonnie-bee bullet)
#:use-module (bonnie-bee common)
#:use-module (bonnie-bee flower)
#:use-module (chickadee audio)
#:use-module (chickadee game-loop)
#:use-module (chickadee math)
#:use-module (chickadee math vector)
#:use-module (chickadee scripting)
#:use-module (oop goops)
#:use-module (starling asset)
#:use-module (starling node)
#:use-module (starling node-2d)
#:export (%max-pollen
<player>
move-left?
move-right?
move-down?
move-up?
shoot?
invincible?
speed
lives
pollen
score
shoot-maybe
bomb
add-to-score))
(define %max-pollen 50)
(define-class <player> (<actor>)
(move-left? #:accessor move-left? #:init-value #f #:watch? #t)
(move-right? #:accessor move-right? #:init-value #f #:watch? #t)
(move-down? #:accessor move-down? #:init-value #f)
(move-up? #:accessor move-up? #:init-value #f)
(shoot? #:accessor shoot? #:init-value #f #:watch? #t)
(last-shot #:accessor last-shot #:init-value 0)
(shot-interval #:getter shot-interval #:init-form (steps 2))
(speed #:accessor speed #:init-value 1.8)
(lives #:accessor lives #:init-value 3)
(invincible? #:accessor invincible? #:init-value #f)
(pollen #:accessor pollen #:init-value 0)
(score #:accessor score #:init-value 0)
(bombing? #:accessor bombing? #:init-value #f))
(define-method (on-boot (player <player>))
(attach-to player
(make <animated-sprite>
#:name 'sprite
#:atlas bee-atlas
#:origin (vec2 16.0 16.0)
#:animations `((default . ,(make <animation>
#:frames #(0 1)
#:frame-duration 0.05))
(move-left . ,(make <animation>
#:frames #(2 3)
#:frame-duration 0.05))
(move-right . ,(make <animation>
#:frames #(4 5)
#:frame-duration 0.05))
(idle . ,(make <animation>
#:frames #(0 1)
#:frame-duration 0.75))))))
(define-method (update-animation (player <player>))
(change-animation (& player sprite)
(cond
((and (move-left? player)
(not (move-right? player)))
'move-left)
((and (not (move-left? player))
(move-right? player))
'move-right)
(else
'default))))
(define-method (on-change (player <player>) slot-name old new)
(case slot-name
((shoot?)
(when (and new (not (and old new)))
(set! (last-shot player) 0)))
((move-left? move-right?)
(unless (eq? old new)
(update-animation player)))))
(define-method (after-move (player <player>))
(let ((p (position player)))
(cond
((< (vec2-x p) 8.0)
(set-vec2-x! p 8.0))
((> (vec2-x p) 312.0)
(set-vec2-x! p 312.0)))
(cond
((< (vec2-y p) 8.0)
(set-vec2-y! p 8.0))
((> (vec2-y p) 232.0)
(set-vec2-y! p 232.0)))))
(define-method (update (player <player>) dt)
(let ((v (velocity player)))
(set-vec2! v
(+ (if (move-left? player) -1.0 0.0)
(if (move-right? player) 1.0 0.0))
(+ (if (move-down? player) -1.0 0.0)
(if (move-up? player) 1.0 0.0)))
(vec2-normalize! v)
(vec2-mult! v (speed player)))
(next-method))
(define-method (lose-life (player <player>))
(unless (invincible? player)
(set! (lives player) (max (- (lives player) 1) 0))
(set! (pollen player) 0)
(set! (invincible? player) #t)
(audio-play (asset-ref player-death-sound))
(run-script player
(blink player 20 (steps 5))
(set! (invincible? player) #f))))
(define-method (on-collide (player <player>) (bullet <bullet>))
(cond
((eq? (type bullet) pollen-pickup)
(audio-play (asset-ref pickup-sound) #:volume 0.3)
(kill-bullet bullet)
(add-to-score player 5)
(set! (pollen player) (min (+ (pollen player) 1) %max-pollen))
#t)
((or (eq? (type bullet) small-enemy-bullet)
(eq? (type bullet) medium-enemy-bullet)
(eq? (type bullet) large-enemy-bullet))
(kill-bullet bullet)
(lose-life player)
#t)
(else #f)))
(define-method (on-collide (player <player>) (thing <damageable>))
(lose-life player))
(define-method (on-collide (thing <damageable>) (player <player>))
(lose-life player))
(define-method (on-collide (player <player>) (flower <flower>))
#f)
(define-method (on-collide (flower <flower>) (player <player>))
#f)
(define-method (shoot-maybe (player <player>) bullets)
(with-agenda (agenda player)
(when (and (shoot? player)
(>= (- (agenda-time) (last-shot player))
(shot-interval player)))
(let ((p (position player)))
(set! (last-shot player) (agenda-time))
(audio-play (asset-ref player-shoot-sound) #:volume 0.2)
(add-bullet bullets
player-primary-bullet
(vec2 (vec2-x p) (+ (vec2-y p) 14.0))
(vec2 0.0 6.0))))))
(define-method (bomb (player <player>))
(unless (or (bombing? player) (< (pollen player) 10))
(run-script player
(let* ((times (floor (/ (pollen player) 10)))
(num-bullets 64)
(theta-step (/ tau num-bullets))
(radius 16.0)
(speed 5.0)
(p (position player))
(bullets (bullets (parent player))))
(add-to-score player (expt 5 times))
(set! (bombing? player) #t)
(set! (pollen player) 0)
(set! (invincible? player) #t)
(let loop ((i 0))
(when (< i times)
(audio-play (asset-ref player-bomb-sound))
(let shot-loop ((j 0))
(when (< j num-bullets)
(let ((theta (* j theta-step)))
(add-bullet bullets
player-bomb-bullet
(vec2/polar p radius theta)
(vec2 (* (cos theta) speed)
(* (sin theta) speed))))
(shot-loop (+ j 1))))
(sleep (* (current-timestep) 3))
(loop (+ i 1))))
(sleep 1.0)
(set! (invincible? player) #f)
(set! (bombing? player) #f)))))
(define-method (add-to-score (player <player>) points)
(set! (score player) (+ (score player) points)))
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