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;;; Lisparuga
;;; Copyright © 2016 David Thompson <davet@gnu.org>
;;;
;;; Lisparuga 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.
;;;
;;; Lisparuga 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 Lisparuga. If not, see <http://www.gnu.org/licenses/>.
(define-module (lisparuga player)
#:use-module (ice-9 match)
#:use-module (sly actor)
#:use-module (sly math)
#:use-module (sly math rect)
#:use-module (sly math vector)
#:use-module (sly records)
#:use-module (lisparuga bullets)
#:use-module (lisparuga utils)
#:export (%player-bounds
%player-speed
%player-attack
%player-invincible-time
make-player
player?
player-polarity
player-position
player-direction
player-shooting?
player-hitbox
player-absorb-hitbox
player-last-death-time
kill-player
player-invincible?
toggle-polarity
direct-player
move-player
set-player-shooting
player-forward
player-bullet-script
make-player-bullet
player-world-hitbox
player-world-absorb-hitbox))
(define %player-bounds (rect-inflate bounds -6 -8))
(define %player-speed 1.1)
(define %player-attack 1)
(define %player-invincible-time (* 4 60))
(define-record-type* <player>
%make-player make-player
player?
(polarity player-polarity 'light)
(position player-position (vector2 (/ (vx resolution) 2) 8))
(direction player-direction (vector2 0 0))
(shooting? player-shooting? #f)
(hitbox player-hitbox (make-rect -1 1 2 4))
(absorb-hitbox player-absorb-hitbox (make-rect -9 -2 16 6))
(last-death-time player-last-death-time #f))
(define (kill-player player time)
(make-player #:inherit player #:last-death-time time))
(define (player-invincible? player time)
(let ((last-death (player-last-death-time player)))
(and last-death
(negative?
(- time (+ last-death %player-invincible-time))))))
(define (toggle-polarity player)
(make-player #:inherit player
#:polarity (if (eq? (player-polarity player) 'light)
'dark
'light)))
(define (direct-player player direction)
(make-player #:inherit player #:direction direction))
(define (move-player player offset)
(make-player #:inherit player
#:position (rect-clamp %player-bounds
(v+ (player-position player)
offset))))
(define (set-player-shooting player shooting?)
(make-player #:inherit player #:shooting? shooting?))
(define (player-forward speed)
(lambda (world effects player)
(values #f
effects
(move-player player (v* speed (player-direction player))))))
(define player-bullet-script
(forever (forward 5)))
(define player-bullet-direction (/ pi 2))
(define (make-player-bullet player offset)
(make-actor (make-bullet #:position (v+ (player-position player) offset)
#:type (match (player-polarity player)
('light 'player-light)
('dark 'player-dark))
#:direction player-bullet-direction)
player-bullet-script))
(define (player-world-hitbox player)
(rect-move (player-hitbox player) (player-position player)))
(define (player-world-absorb-hitbox player)
(rect-move (player-absorb-hitbox player) (player-position player)))
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