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(defpackage player
(:use :cl)
(:export :init-player
:name
:get-cash
:get-debt
:repay-debt
:buy-item
:sell-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 get-debt ((p player))
(with-slots (debt) p
debt))
(defmethod get-cash ((p player))
(with-slots (cash) p
cash))
(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)))))
(defmethod sell-item ((p player) item amount)
(with-slots (stock cash) p
(let ((stocked-item
(inventory:remove-item stock
(commodities:name item) amount)))
(when stocked-item
(setq cash
(+ cash (* (cdr stocked-item)
(commodities:price item))))))))
(defmethod repay-debt ((p player) amount)
(with-slots (debt cash) p
(when (and (<= amount debt)
(<= amount cash))
(setq cash (- cash amount)
debt (- debt amount))
t)))
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