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;;; Copyright 2023 David Thompson
;;;
;;; Licensed under the Apache License, Version 2.0 (the "License");
;;; you may not use this file except in compliance with the License.
;;; You may obtain a copy of the License at
;;;
;;; http://www.apache.org/licenses/LICENSE-2.0
;;;
;;; Unless required by applicable law or agreed to in writing, software
;;; distributed under the License is distributed on an "AS IS" BASIS,
;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;;; See the License for the specific language governing permissions and
;;; limitations under the License.
(define-module (super-bloom flower)
#:use-module (catbird asset)
#:use-module (catbird mixins)
#:use-module (catbird node)
#:use-module (catbird node-2d)
#:use-module (chickadee audio)
#:use-module (chickadee graphics color)
#:use-module (chickadee graphics particles)
#:use-module (chickadee graphics path)
#:use-module (chickadee graphics texture)
#:use-module (chickadee math)
#:use-module (chickadee math rect)
#:use-module (chickadee math vector)
#:use-module (chickadee scripting)
#:use-module (oop goops)
#:use-module (super-bloom actor)
#:use-module (super-bloom common)
#:use-module (super-bloom water)
#:export (<flower>
water
damage
growth-goal
growth-progress))
(define %max-water 1)
(define-asset (flower-tileset (file (scope-datadir "images/flower.png")))
(load-tileset file 48 48))
;; Every growth-interval, the flower gains 1 growth point (accumulated
;; in growth-progress) and consumes 1 unit of water. If there is no
;; water, the flower is thirsty and stops growing.
(define-class <flower> (<actor>)
(water #:accessor water #:init-value 0)
(growth-goal #:accessor growth-goal #:init-keyword #:growth-goal)
(growth-progress #:accessor growth-progress #:init-value 1)
(growth-interval #:accessor growth-interval #:init-keyword #:growth-interval)
(growth-accumulator #:accessor growth-accumulator #:init-value 0.0)
(hitbox #:getter hitbox #:init-form (make-rect -8.0 -8.0 16.0 16.0)))
(define-method (initialize (flower <flower>) initargs)
(next-method)
(attach-to flower
(make <animated-sprite>
#:name 'sprite
#:atlas flower-tileset
#:origin (vec2 24.0 24.0)
#:animations `((default . ,(make <animation>
#:frames #(0 1)
#:frame-duration 0.3))
(stage-2 . ,(make <animation>
#:frames #(2 3 4 5)
#:frame-duration 0.3))
(stage-3 . ,(make <animation>
#:frames #(6 7 8 9)
#:frame-duration 0.3))
(stage-4 . ,(make <animation>
#:frames #(10 11 12 13)
#:frame-duration 0.3))))
(make <canvas>
#:name 'progress-meter
#:position (vec2 -32.0 -28.0)
#:width 64.0
#:height 8.0)
(make <canvas>
#:name 'idle-meter
#:position (vec2 -32.0 -36.0)
#:width 64.0
#:height 8.0))
(update-progress-meter flower))
(define-method (update-progress-meter (flower <flower>))
(define w 64.0)
(define t (/ (growth-progress flower) (growth-goal flower)))
(set! (painter (& flower progress-meter))
(superimpose
(with-style ((stroke-color (make-color 0.0 0.0 0.0 0.5))
(stroke-width 2.0))
(stroke
(line (vec2 0.0 0.0) (vec2 w 0.0))))
(with-style ((stroke-color db32-tahiti-gold)
(stroke-width 2.0))
(stroke
(line (vec2 0.0 0.0) (vec2 (* w t) 0.0))))))
(resize (& flower progress-meter)
(default-width (& flower progress-meter))
(default-height (& flower progress-meter))))
(define-method (update-idle-meter (flower <flower>))
(define w 64.0)
(define t (- 1.0 (/ (growth-accumulator flower) (growth-interval flower))))
(define meter (& flower idle-meter))
(if (>= t 0.999)
(hide meter)
(begin
(show meter)
(set! (painter meter)
(superimpose
(with-style ((stroke-color (make-color 0.0 0.0 0.0 0.5))
(stroke-width 2.0))
(stroke
(line (vec2 0.0 0.0) (vec2 w 0.0))))
(with-style ((stroke-color db32-mandy)
(stroke-width 2.0))
(stroke
(line (vec2 0.0 0.0) (vec2 (* w t) 0.0))))))
(resize meter
(default-width meter)
(default-height meter)))))
(define-method (update-animation (flower <flower>))
(define t (/ (growth-progress flower) (growth-goal flower)))
(change-animation (& flower sprite)
(cond
((< t 1/3) 'default)
((< t 2/3) 'stage-2)
((< t 1) 'stage-3)
(else 'stage-4))))
(define-method (increment-water (flower <flower>) amount)
(set! (water flower) (min (+ (water flower) amount) %max-water)))
(define-method (decrement-water (flower <flower>) amount)
(set! (water flower) (max (- (water flower) amount) 0)))
(define-method (damage (flower <flower>) amount)
(set! (growth-progress flower) (max (- (growth-progress flower) amount) 0))
(update-animation flower)
(update-progress-meter flower))
(define-method (thirsty? (flower <flower>))
(= (water flower) 0))
(define-method (reset-growth-accumulator (flower <flower>))
(set! (growth-accumulator flower) 0))
(define-method (on-splash (flower <flower>))
(when (thirsty? flower)
(increment-water flower 1)
(audio-play (artifact watered-sound))))
(define-method (update (flower <flower>) dt)
(update-idle-meter flower)
(unless (thirsty? flower)
(let ((interval (growth-interval flower))
(accum (+ (growth-accumulator flower) dt)))
(set! (growth-accumulator flower) accum)
(when (>= accum interval)
(set! (growth-progress flower)
(min (+ (growth-progress flower) 1)
(growth-goal flower)))
(set! (growth-accumulator flower) 0.0)
(decrement-water flower 1)
(update-animation flower)
(update-progress-meter flower))))
(next-method)
(when (= (growth-progress flower) 0)
(detach flower)))
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