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(defpackage player
(:use :cl)
(:export :init-player
:name
:cash
:debt
:buy-item))
(in-package :player)
(defclass player ()
((name :initarg :name
:reader name)
(cash :initarg :cash
:accessor cash)
(debt :initarg :debt
:accessor debt)
(hp :initform 100
:accessor hp)
(clout :initform 0
:accessor clout)
(stash :initform 0
:accessor stash)
(stock :initform (inventory:new-inventory 100)
:accessor stock)))
(defun init-player (name &optional (cash 2000) (debt 5000))
(make-instance 'player
:name name
:cash cash
:debt debt))
(defmethod buy-item ((p player) item quantity)
(with-slots (stock cash) p
(let ((cost (* quantity
(commodities:price item))))
(when (>= cash cost)
(progn
(inventory:add-item stock item quantity)
(setq cash (- cash cost))
t)))))
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