;;;; assets.lisp

(in-package #:the-price-of-a-cup-of-coffee)

;;; Utility Functions
(defun find-tile-rect (tile-defs name)
  "Return the rect for the tile with NAME in TILE-DEFS list."
  (let-when (tl (find name tile-defs
                      :key (lambda (tl) (getf tl :name))
                      :test #'string-equal))
    (sdl2:make-rect (getf tl :x)
                    (getf tl :y)
                    (getf tl :width)
                    (getf tl :height))))

(defun select-tile-rects (tile-defs &rest names)
  (map 'vector ($ #'find-tile-rect tile-defs _) names))

(defstruct (sprite-faces (:conc-name ""))
  facing-down walking-down facing-up walking-up
  facing-left walking-left facing-right walking-right)

(defun create-sprite-faces (defs)
  (make-sprite-faces
   :facing-down (select-tile-rects defs "front")
   :walking-down (select-tile-rects defs "walkforward1" "front" "walkforward2" "front")
   :facing-up (select-tile-rects defs "back")
   :walking-up (select-tile-rects defs  "walkback1" "back" "walkback2" "back")
   :facing-left (select-tile-rects defs "leftprofile")
   :walking-left (select-tile-rects defs "walkleft1" "leftprofile" "walkleft2" "leftprofile")
   :facing-right (select-tile-rects defs "rightprofile")
   :walking-right (select-tile-rects defs "walkright1" "rightprofile" "walkright1" "rightprofile")))

(defparameter +tile-defs+
  '((:NAME "Back" :X 256 :Y 128  :WIDTH 64 :HEIGHT 128)
    (:NAME "Front" :X 320 :Y 0  :WIDTH 64 :HEIGHT 128)
    (:NAME "LeftProfile" :X 192 :Y 128  :WIDTH 64 :HEIGHT 128)
    (:NAME "RightProfile" :X 256 :Y 0  :WIDTH 64 :HEIGHT 128)
    (:NAME "WalkBack1" :X 64 :Y 128  :WIDTH 64 :HEIGHT 128)
    (:NAME "WalkBack2" :X 128 :Y 128  :WIDTH 64 :HEIGHT 128)
    (:NAME "WalkForward1" :X 0 :Y 256  :WIDTH 64 :HEIGHT 128)
    (:NAME "WalkForward2" :X 192 :Y 0  :WIDTH 64 :HEIGHT 128)
    (:NAME "WalkLeft1" :X 128 :Y 0  :WIDTH 64 :HEIGHT 128)
    (:NAME "WalkLeft2" :X 0 :Y 128  :WIDTH 64 :HEIGHT 128)
    (:NAME "WalkRight1" :X 64 :Y 0  :WIDTH 64 :HEIGHT 128)
    (:NAME "WalkRight2" :X 0 :Y 0  :WIDTH 64 :HEIGHT 128)))

(defparameter +emoji-defs+
  '((:NAME "alarmed-question" :X 216 :Y 288
     :WIDTH 72 :HEIGHT 72)
    (:NAME "alarmed" :X 0 :Y 360
     :WIDTH 72 :HEIGHT 72)
    (:NAME "angry" :X 216 :Y 72
     :WIDTH 72 :HEIGHT 72)
    (:NAME "asshole" :X 216 :Y 144
     :WIDTH 72 :HEIGHT 72)
    (:NAME "breakdown" :X 216 :Y 216
     :WIDTH 72 :HEIGHT 72)
    (:NAME "chance" :X 288 :Y 0
     :WIDTH 72 :HEIGHT 72)
    (:NAME "cold" :X 72 :Y 216
     :WIDTH 72 :HEIGHT 72)
    (:NAME "death" :X 144 :Y 216
     :WIDTH 72 :HEIGHT 72)
    (:NAME "dollars" :X 0 :Y 288
     :WIDTH 72 :HEIGHT 72)
    (:NAME "food1" :X 144 :Y 72
     :WIDTH 72 :HEIGHT 72)
    (:NAME "food2" :X 144 :Y 144
     :WIDTH 72 :HEIGHT 72)
    (:NAME "food3" :X 216 :Y 0
     :WIDTH 72 :HEIGHT 72)
    (:NAME "food4" :X 72 :Y 144
     :WIDTH 72 :HEIGHT 72)
    (:NAME "food5" :X 0 :Y 216
     :WIDTH 72 :HEIGHT 72)
    (:NAME "incapacitated" :X 72 :Y 72
     :WIDTH 72 :HEIGHT 72)
    (:NAME "nauseated" :X 144 :Y 0
     :WIDTH 72 :HEIGHT 72)
    (:NAME "relaxed" :X 0 :Y 144
     :WIDTH 72 :HEIGHT 72)
    (:NAME "sick" :X 72 :Y 0
     :WIDTH 72 :HEIGHT 72)
    (:NAME "stressed" :X 0 :Y 72
     :WIDTH 72 :HEIGHT 72)
    (:NAME "very-angry" :X 0 :Y 0
     :WIDTH 72 :HEIGHT 72)))

(defparameter +shared-faces+
  (create-sprite-faces +tile-defs+))



(defparameter +nance-sheet-image+ "assets/Nance.png")
(defparameter +suit-sheet-image+ "assets/Suit.png")
(defparameter +nomry-sheet-image+ "assets/Normy.png")
(defparameter +things-look-up-track-path+ #P"assets/thingslookup.mp3")
(defparameter +cold-day-track-path+ #P"assets/coldday.mp3")
(defparameter +emoji-sheet-image+ #P"assets/emoji.png")
(defparameter +sliding-door-image+ #P"assets/sliding-door.png")
(defparameter +backdrop-image+ #P"assets/backdrop.png")

(defvar *nance-texture*)
(defvar *suit-texture*)
(defvar *normy-texture*)
(defvar *expression-texture*)
(defvar *backdrop-texture*)
(defvar *sliding-door-texture*)
(defvar *sliding-door-position* (sdl2:make-rect 800 8 104 138))

(defvar *harmony-initialized-p* nil)
(defvar *cold-day-track*)
(defvar *looking-up-track*)
(defvar *current-track*)

(defun boot-up-assets (renderer)
  (with-surface-from-file (surf +nance-sheet-image+)
    (setf *nance-texture*  (sdl2:create-texture-from-surface renderer surf)))

  (with-surface-from-file (surf +suit-sheet-image+)
    (setf *suit-texture* (sdl2:create-texture-from-surface renderer surf)))

  (with-surface-from-file (surf +nomry-sheet-image+)
    (setf *normy-texture* (sdl2:create-texture-from-surface renderer surf)))

  (with-surface-from-file (surf +emoji-sheet-image+)
    (setf *expression-texture* (sdl2:create-texture-from-surface renderer surf)))

  (with-surface-from-file (surf +sliding-door-image+)
    (setf *sliding-door-texture* (sdl2:create-texture-from-surface renderer surf)))

  (with-surface-from-file (surf +backdrop-image+)
    (setf *backdrop-texture* (sdl2:create-texture-from-surface renderer surf)))

  (unless *harmony-initialized-p*
    (harmony-simple:initialize)
    (setf *looking-up-track* (harmony-simple:play +things-look-up-track-path+ :music :loop t))
    (harmony-simple:stop *looking-up-track*)
    (setf *cold-day-track* (harmony-simple:play +cold-day-track-path+ :music :loop t))
    (setf *current-track* *cold-day-track*)
    (harmony-simple:stop *cold-day-track*)
    (setf *harmony-initialized-p* t)))

(defun free-assets ()
  (harmony-simple:stop *current-track*)
  (sdl2:destroy-texture *expression-texture*)
  (sdl2:destroy-texture *nance-texture*)
  (sdl2:destroy-texture *normy-texture*)
  (sdl2:destroy-texture *suit-texture*))

(defvar *expression-cache* (make-hash-table :test 'equal))

(defun get-expression (expression)
  "Returns a rect used as the render source in a call to RENDER-COPY"
  (let ((exp (gethash expression *expression-cache*)))
    (unless exp
      (setf exp (find-tile-rect +emoji-defs+ expression))
      (setf (gethash expression *expression-cache*) exp))
    exp))