119 lines
3.9 KiB
Fennel
119 lines
3.9 KiB
Fennel
;; deps
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(local levels (. (require "levels.fnl") :levels))
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(local bump (require "bump"))
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;; global vars
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(var player-art nil) ; 25x50 pixels each player is 25x25
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(var dust-sprite nil) ; 35x35 pixels
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(var walls-sprite nil)
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(var walls-batch nil)
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(var wall-quads nil)
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(local debug true)
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(local collider-debug-boxes [])
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(local bump-world (bump.newWorld 25))
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(local player { :x 50 :y 50 :w 25 :h 25 :speed 80 })
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(fn love.load []
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(love.window.setMode 600 640)
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(bump-world:add player player.x player.y player.w player.h)
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;; load world images
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(set walls-sprite (love.graphics.newImage "assets/walls.png"))
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(set walls-batch (love.graphics.newSpriteBatch walls-sprite 2500))
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;; load wall quads
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(set wall-quads [])
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(let [(h w) (: walls-sprite :getDimensions)]
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(for [i 0 19 1]
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(table.insert wall-quads (love.graphics.newQuad (* i 25) 0 25 25 h w))))
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;; load tiles
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(each [_ row (pairs (. levels :level01 :tiles))]
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(each [_ tile (pairs row)]
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(let [
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x (. tile :x)
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y (. tile :y)
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id (. tile :tile-id)
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colliders (or (. levels.level01.wall-colliders (- id 1)) [])]
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(walls-batch:add (. wall-quads id) x y)
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; (print (fennel.view colliders))
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(each [_ collider (pairs colliders)]
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(bump-world:add {: x : y :type "wall"} (+ x collider.x) (+ y collider.y) collider.width collider.height)
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(table.insert
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collider-debug-boxes
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{:x (+ x collider.x) :y (+ y collider.y) :width collider.width :height collider.height})
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))))
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(set player-art {
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:player-sprite (love.graphics.newImage "assets/player.png")
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:player1-quad (love.graphics.newQuad 0 0 25 25 50 25)
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:player2-quad (love.graphics.newQuad 25 0 25 25 50 25)
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})
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(set dust-sprite (love.graphics.newImage "assets/dust_001.png"))
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; (print (fennel.view game-state))
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;; start a thread listening on stdin
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(: (love.thread.newThread "require('love.event')
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while 1 do love.event.push('stdin', io.read('*line')) end") :start))
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(fn love.handlers.stdin [line]
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;; evaluate lines read from stdin as fennel code
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(let [(ok val) (pcall fennel.eval line)]
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(print (if ok (fennel.view val) val))))
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;; drawing
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(lambda color [full-r full-g full-b]
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(let [(r g b) (love.math.colorFromBytes full-r full-g full-b)]
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[r g b]
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))
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(local off-white (color 237 230 200))
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(local black [0 0 0])
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(local black-half-tone [0 0 0 0.25])
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(fn draw-world []
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(love.graphics.setColor 1 1 1) ; reset color to white (no tinting)
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(love.graphics.draw walls-batch)
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)
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(fn love.update [dt]
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(let [deltas { :dx 0 :dy 0}]
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(if (love.keyboard.isDown :right)
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(tset deltas :dx (* player.speed dt))
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(if (love.keyboard.isDown :left)
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(tset deltas :dx (* (* -1 player.speed) dt))))
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(if (love.keyboard.isDown :down)
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(tset deltas :dy (* player.speed dt))
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(if (love.keyboard.isDown :up)
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(tset deltas :dy (* (* -1 player.speed) dt))))
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(if (or (not= 0 deltas.dx) (not= 0 deltas.dy))
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(let [(x y) (bump-world:move player (+ player.x deltas.dx) (+ player.y deltas.dy))]
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; (print (fennel.view { :msg "Moving player" :x x :y y}))
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(tset player :x x)
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(tset player :y y)))))
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(fn love.draw []
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;; clear the screen and set bg to off white
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(love.graphics.clear)
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(draw-world)
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;; draw player
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(love.graphics.draw
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(. player-art :player-sprite)
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(. player-art :player1-quad)
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player.x player.y)
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;; draw player hitbox
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(when debug
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(love.graphics.setColor (unpack black)) ; reset color to white (no tinting)
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(love.graphics.rectangle "line" player.x player.y player.w player.h))
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;; draw collider debug boxes
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(when debug
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(love.graphics.setColor (unpack black)) ; reset color to white (no tinting)
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(each [_ collider (pairs collider-debug-boxes)]
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(love.graphics.rectangle "line" collider.x collider.y collider.width collider.height)))
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)
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; (love.graphics.print "Hello from Fennel!\nPress any key to quit" 10 10))
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(fn love.keypressed [key] nil )
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