86 lines
2.9 KiB
Common Lisp
86 lines
2.9 KiB
Common Lisp
(load "~/quicklisp/setup.lisp")
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(eval-when (:compile-toplevel :load-toplevel :execute)
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(ql:quickload :cl-raylib))
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(defpackage :raylib-user
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(:use :cl :3d-vectors)
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(:local-nicknames (:rl :raylib)))
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(in-package :raylib-user)
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(defparameter *move-speed* 2.0)
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(defstruct game-state
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(textures (make-hash-table))
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(player-pos (vec 100 100)))
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(defparameter *game-state* nil)
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(defun bind-texture (key path)
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(setf (gethash key (game-state-textures *game-state*)) (rl:load-texture (uiop:native-namestring path))))
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(defun game-init ()
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(setf *game-state* (make-game-state))
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(bind-texture 'terrain "~/Development/tinyswords/assets/Terrain/Ground/Tilemap_Flat.png")
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(bind-texture 'knight "~/Development/tinyswords/assets/Factions/Knights/Troops/Warrior/Blue/Warrior_Blue.png")
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(bind-texture 'tower "~/Development/tinyswords/assets/Factions/Knights/Buildings/Tower/Tower_Blue.png"))
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(defun game-input (state)
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(with-slots ((pos player-pos)) state
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(let ((dx 0.0) (dy 0.0))
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(when (rl:is-key-down :key-right) (incf dx 1))
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(when (rl:is-key-down :key-left) (decf dx 1))
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(when (rl:is-key-down :key-up) (decf dy 1))
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(when (rl:is-key-down :key-down) (incf dy 1))
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(setf pos (v+ pos (v* (vunit* (vec dx dy)) *move-speed*))))))
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(defun game-update (state) '())
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(defun get-tile-wrapped (n wrap-count) (if (> n 0) (1+ (mod (1- n) (- wrap-count 2))) 0))
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(defun draw-tile (tilemap size col row)
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(let* ((tile-count 6))
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(rl:draw-texture-rec
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tilemap
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(rl:make-rectangle :x (* size (get-tile-wrapped col tile-count))
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:y (* size (get-tile-wrapped row tile-count))
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:width size :height size)
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(v+ (vec 15 150) (vec (* col size) (* row size)))
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:white)))
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(defun draw-ground ()
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(let ((size 32)
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(terrain-tex (gethash 'terrain (game-state-textures *game-state*))))
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(loop for row from 0 to 16
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do (loop for col from 0 to 32
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do (draw-tile terrain-tex size col row)))))
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(defun animate-sprite ())
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(defun game-draw (state)
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(rl:clear-background (rl:make-rgba 71 171 169 1))
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(draw-ground)
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(rl:draw-texture-v (gethash 'tower (game-state-textures state)) (vec 80 150) :white)
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(rl:draw-texture-rec (gethash 'knight (game-state-textures state))
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(rl:make-rectangle :x 0.0 :y 0.0 :width 192.0 :height 192.0)
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(vec 0 0)
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:white)
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(rl:draw-fps 10 5))
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(defun game ()
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(let* ((screen-width 900)
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(screen-height 500))
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(rl:with-window (screen-width screen-height "RTS")
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(rl:set-target-fps 60)
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(game-init)
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(loop :until (rl:window-should-close)
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:do (game-input *game-state*)
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(game-update *game-state*)
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(rl:with-drawing
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(game-draw *game-state*)))
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(loop for value being the hash-values of (game-state-textures *game-state*)
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do (rl:unload-texture value)))))
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(game)
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