92 lines
3.8 KiB
Common Lisp
92 lines
3.8 KiB
Common Lisp
(load "~/quicklisp/setup.lisp") ; need to load quicklisp
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(ql:quickload '(:cl-raylib :cl-bcrypt :websocket-driver-client :alexandria :com.inuoe.jzon))
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(defpackage :mmo-client
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(:use :common-lisp :cl-raylib :raylib :3d-vectors :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 *current-user* (make-hash-table))
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(defvar *logged-in-users* (make-hash-table))
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;;
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; Game loop info
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;
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; when start connection happens the server will generate a random id
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; this is called the `login` request, this should only be seen by this user
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; this user will then associate the id that is returned from the server with
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; this users username/password and send out a `user-login` request
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; the server should then associate that user get their info from the database
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; and broadcast the updated list to all logged in users to all logged in users
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;
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; the `logged-in-users` key:generated user id, value: hash of user info
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; user info is username, color, and position
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;
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; in the game loop it will loop over all the logged in users in the hash,
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; if the user in the loop is the current user then ignore the info and only
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; use local user info, otherwise it will draw all of the other cubes
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;;
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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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(setq json (com.inuoe.jzon:parse message))
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(setq cmd (gethash "cmd" json))
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(case
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((= cmd "login") (setf (gethash "uid" *user*) (gethash "uid" json))) ; handles self login
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((= cmd "user-login") (setf (gethash (gethash "uid" json) *logged-in-users*) (make-hash-table))) ; handles a new user logging on (not the user using this client!)
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((= cmd "logout") ()) ; log out another user
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((= cmd "move") ()) ; some user moved
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(t (format t "Unknown message: ~A~%" message))))) ; some unknown thing happened
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(let* ((screen-width 800)
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(screen-height 450)
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(username "zongor")
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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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(defparameter *login* (make-hash-table))
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(setf (gethash "cmd" *login*) "user-login")
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(setf (gethash "user" *login*) username)
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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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(wsd:send *client* (com.inuoe.jzon:stringify *login*))
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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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(defparameter *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 "pos" *move*) (camera3d-target camera))
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(when (is-key-down 87)
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(wsd:send *client* (com.inuoe.jzon:stringify *move*)))
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(when (is-key-down 65)
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(wsd:send *client* (com.inuoe.jzon:stringify *move*)))
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(when (is-key-down 83)
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(wsd:send *client* (com.inuoe.jzon:stringify *move*)))
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(when (is-key-down 68)
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(wsd:send *client* (com.inuoe.jzon:stringify *move*)))
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(setf cube-screen-pos (get-world-to-screen (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-cube-wires (camera3d-target camera) 1.0 1.0 1.0 :maroon)
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(draw-grid 20 1.0))
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(draw-text username (- (floor (vx cube-screen-pos)) (floor (measure-text username 20) 2))
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(floor (vy cube-screen-pos) ) 20 :black)))))
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(wsd:close-connection *client*)
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