102 lines
3.4 KiB
Common Lisp
102 lines
3.4 KiB
Common Lisp
(load "~/quicklisp/setup.lisp") ; need to load quicklisp
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(ql:quickload '(:cl-raylib :cl-bcrypt :websocket-driver-client
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:alexandria :com.inuoe.jzon))
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(defpackage :mmo-client
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(:use :common-lisp :cl-raylib :raylib :3d-vectors
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:websocket-driver-client :alexandria :com.inuoe.jzon))
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(in-package :mmo-client)
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(defvar *client* (wsd:make-client "ws://localhost:12345"))
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(defvar *logged-in-users* (make-hash-table))
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(defvar *current-user* (make-hash-table))
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(defvar *login* (make-hash-table))
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(wsd:start-connection *client*)
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(wsd:on :message *client*
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(lambda (message)
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(let* ((json (com.inuoe.jzon:parse message))
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(cmd (gethash "cmd" json))
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(uid (gethash "uid" json)))
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(cond
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((equalp cmd "login")
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(setf (gethash "uid" *current-user*) uid))
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((equalp cmd "user-login")
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(setf *logged-in-users* json))
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((equalp cmd "logout")
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(remhash uid *logged-in-users*))
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((equalp cmd "move")
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(setf (gethash "x" (gethash uid *logged-in-users*))
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(gethash "x" json))
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(setf (gethash "y" (gethash uid *logged-in-users*))
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(gethash "y" json)))
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(t
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(format t "Unknown message: ~A~%" message))))))
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(defun send-move (camera username)
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(let ((move (make-hash-table)))
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(setf (gethash "cmd" move) "move")
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(setf (gethash "user" move) username)
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(setf (gethash "x" move) (vx (camera3d-target camera)))
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(setf (gethash "y" move) (vz (camera3d-target camera)))
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(wsd:send *client* (com.inuoe.jzon:stringify move))))
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(let* ((screen-width 800)
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(screen-height 450)
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(username "username")
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(title "mmo client - common lisp")
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(camera (make-camera3d :position (vec 4.0 2.0 4.0)
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:target (vec 0.0 0.5 0.0)
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:up (vec 0.0 1.0 0.0)
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:fovy 60.0
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:projection :camera-perspective))
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(cube-screen-pos (vec 0.0 0.0)))
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(setf (gethash "cmd" *login*) "user-login")
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(setf (gethash "user" *login*) username)
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(setf (gethash "user" *current-user*) username)
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(wsd:send *client* (com.inuoe.jzon:stringify *login*))
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(with-window (screen-width screen-height title)
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;; (disable-cursor)
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(set-target-fps 60) ; Set our game to run at 60 FPS
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(loop
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until (window-should-close) ; detect window close button or ESC key
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do
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(update-camera camera :camera-third-person)
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(when (is-key-down 87)
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(send-move camera username))
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(when (is-key-down 65)
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(send-move camera username))
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(when (is-key-down 83)
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(send-move camera username))
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(when (is-key-down 68)
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(send-move camera username))
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(setf cube-screen-pos
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(get-world-to-screen
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(v+ (camera3d-target camera) (vec 0 1.0 0)) camera))
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(with-drawing
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(clear-background :raywhite)
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(with-mode-3d (camera)
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(draw-cube (camera3d-target camera) 1.0 1.0 1.0 :red)
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(draw-text username
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(- (floor (vx cube-screen-pos))
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(floor (measure-text username 20) 2))
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(floor (vy cube-screen-pos) ) 20 :black)
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(loop :for user :being :the :hash-key :of *logged-in-users* :do
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(let ((x (gethash "x" user))
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(y (gethash "y" user)))
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(draw-cube (vec x 0.5 y) 1.0 1.0 1.0 :red)
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(let ((name (gethash "username" user)))
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(draw-text name
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(- (floor (vx cube-screen-pos))
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(floor (measure-text name 20) 2))
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(floor (vy cube-screen-pos)) 20 :black))))
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(draw-grid 20 1.0))))))
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(wsd:close-connection *client*)
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