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gitea-docker/desktop/src-common/advent/screens/scene.clj

220 lines
11 KiB
Clojure

(ns advent.screens.scene
(:require [play-clj.core :refer :all]
[play-clj.ui :refer :all]
[play-clj.utils :refer :all]
[play-clj.g2d :refer :all]
[clojure.pprint]
[advent.pathfind]
[advent.actions :as actions]
[advent.zone :as zone]
[advent.utils :as utils]
[advent.screens.dialogue :refer [talking-screen]]
[clojure.core.async :refer [put! <! <!! >! chan go thread take! alts!!]])
(:import [com.badlogic.gdx.graphics Pixmap Pixmap$Filter Texture Texture$TextureFilter]
[com.badlogic.gdx.graphics.g2d TextureRegion]
[java.lang Object]))
(def +screen-width+ 320)
(def +screen-height+ 240)
(defprotocol IMouseIn
(mouse-in? [this location]))
(defprotocol ICursorOverridable
(cursor-override [this]))
(defprotocol IInteractable
(get-script [this location]))
(def default-interaction
(reify
IInteractable
(get-script [_ [x y]]
(actions/get-script entities
(actions/walk-to entities :ego [x y])))))
(defn find-override [screen entities [x y]]
(first (filter #(and (mouse-in? % [x y])
(satisfies? ICursorOverridable %))
(get-in entities [:background :interactions]))))
(defn left-click [screen entities]
(let [{:keys [x y]} (input->screen screen {:x (:input-x screen) :y (:input-y screen)})
interaction (first (filter #(mouse-in? % [x y])
(get-in entities [:background :interactions])))
;; TODO - hacky way of resetting queue
entities (if-let [current-action (get-in entities [:actions :current])]
(assoc (actions/terminate current-action screen entities)
:actions {:channel (chan) :current nil :started? false})
entities)
script (or (when interaction
(get-script interaction [x y]))
(get-script default-interaction [x y]))]
(script entities)
entities))
(defn get-ego [screen]
(let [player-sheet (texture! (texture "player.png") :split 18 36)
talk-sheet (texture! (texture "ego/talk.png") :split 16 36)
ego {:right (animation 0.075 (for [i (range 8)]
(texture (aget player-sheet 0 i))))
:left (animation 0.075 (for [i (range 8)]
(texture (aget player-sheet 1 i))))
:talk (animation 0.2 (for [i (range 8)]
(texture (aget talk-sheet 0 i))))
:baseline 95
:origin-x 9
:origin-y 0
:scaled true
:inventory #{}
:x 150 :y 95
:id "ego"}]
(merge (texture (animation! (:right ego) :get-key-frame 0.25)) ego)))
(defn update-from-script [screen {{:keys [current started? channel]} :actions :as entities}]
(if current
(let [entities (if started? entities (actions/begin current screen entities))
entities (actions/continue current screen entities)]
(if (actions/done? current screen entities)
(recur screen (assoc (actions/terminate current screen entities)
:actions {:channel channel :current nil :started? false}))
(assoc-in entities [:actions :started?] true)))
(let [[current _] (alts!! [channel] :default nil)]
(assoc entities :actions {:channel channel :current current :started? false}))))
(defn scaler-fn-with-baseline [baseline minimum-size & [maximum-size]]
(let [maximum-size (or maximum-size 1.0)]
(fn [y]
(if (< y baseline) maximum-size
(let [percent-complete (- 1.0 (/ (- y baseline) (- +screen-height+ baseline)))
range (+ (* percent-complete (- maximum-size minimum-size)) minimum-size)]
range)))))
(defn update-cursor [screen {{:keys [current override last]} :cursor :as entities}]
(when-not (= (or override current)
last)
(input! :set-cursor-image (utils/cursor "cursor.png" (or override current)) 0 0))
(assoc-in entities [:cursor :last] (or override current)))
(defn make-background [& {:keys [collision interactions] :as params}]
(let [interactions-as-list (for [[id spec] interactions]
(reify
IMouseIn
(mouse-in? [_ location]
(apply (apply zone/box (:box spec)) location))
IInteractable
(get-script [_ location]
(:script spec))
ICursorOverridable
(cursor-override [this] (:cursor spec)))
)]
(merge params {:collision (advent.pathfind/map-from-resource collision)
:interactions interactions-as-list})))
(defscreen scene
:on-show
(fn [screen entities]
(update! screen :renderer (stage) :camera (orthographic))
(let [_ (input! :set-cursor-image (utils/cursor "cursor.png" :main) 0 0)
sheep-sheet (texture! (texture "outsidehouse/sheep-anim.png") :split 33 21)
sheep (animation 0.15 (for [i (flatten [(repeat 10 0) 1 2 3 4 5 6 7 4 5 6 7 8 9 10 (repeat 25 11) (repeat 15 12)])]
(aget sheep-sheet 0 i)))
background (texture "bg5.png")
background-trees (texture "background-trees.png")
house (texture "house.png")
overdirt (texture "overdirt.png")
music (sound "town-music.mp3")
;;_ (sound! music :loop)
]
{
:actions {:object nil
:channel (chan)
:current nil
:started? false}
:cursor {:id "cursor"
:current :main
:last :main
:override nil}
:sheep (assoc (animation->texture screen sheep) :x 38 :y 160 :baseline 160 :anim sheep)
:background (make-background :interactions
{:door {:box [258 100 281 160]
:script (actions/get-script
entities
(actions/walk-to entities :ego [262 88])
(actions/talk entities :ego (str "Anyone home?")))}
:sword {:box [274 55 305 88]
:script (actions/get-script
entities
(actions/talk entities :ego (str "It's the coolest sword I've ever seen!"))
(actions/walk-to entities :ego [290 66])
(actions/talk entities :ego "Maybe I can pull it out."))}
:sheep {:box [38 160 71 181]
:script (actions/get-script
entities
(if ((get-in @entities [:ego :inventory]) :wool)
(actions/talk entities :ego "The sheep has given me enough wool.")
(do (actions/give entities :ego :wool)
(actions/talk entities :ego "I guess his wool is shedding."))))}
:right-dir {:box [300 131 320 224]
:script (actions/get-script
entities
(actions/walk-to entities :ego [319 160]))
:cursor :right}
:up-dir {:box [60 180 224 240]
:script (actions/get-script
entities
(actions/walk-to entities :ego [137 204]))
:cursor :up}
:left-dir {:box [0 40 20 140]
:script (actions/get-script
entities
(actions/walk-to entities :ego [0 80]))
:cursor :left}}
:layers [(assoc background :x 0 :y 0 :baseline 0)
(assoc house :x 0 :y 0 :baseline 122)
(assoc overdirt :x 0 :y 0 :baseline 240)
(assoc background-trees :x 0 :y 0 :baseline 44)]
:collision "outsidehouse/collision.png"
:scale-fn (scaler-fn-with-baseline 110 0.10 1.00))
:ego (get-ego screen)
:fps (assoc (label "0" (color :white) ) :x 5 :baseline 9000)
}))
:on-render
(fn [screen [entities]]
(clear!)
(let [entities (update-cursor screen entities)
entities (update-from-script screen entities)
_ (label! (:fps entities) :set-text (str (game :fps)))
entities (if (get-in entities [:sheep :anim])
(update-in entities [:sheep] #(merge % (animation->texture screen (:anim %))))
entities)
entities (if (get-in entities [:ego :anim])
(update-in entities [:ego] #(merge % (animation->texture screen (:anim %))))
entities)]
(render! screen (sort-by :baseline (concat (vals entities) (get-in entities [:background :layers]))))
entities))
:on-resize (fn [screen entities]
(size! screen 320 240))
:on-mouse-moved
(fn [screen [entities]]
(let [{:keys [x y]} (input->screen screen {:x (:input-x screen) :y (:input-y screen)})]
(if-let [mouse-override (find-override screen entities [x y])]
(assoc-in entities [:cursor :override] (cursor-override mouse-override))
(assoc-in entities [:cursor :override] nil))))
:on-touch-down (fn [screen [entities]]
(if (= (button-code :right)
(:button screen))
(assoc-in entities [:cursor :current] :main)
(left-click screen entities))))