buy-item and some player tests

1 files changed, 17 insertions, 2 deletions

diff --git a/src/player.lisp b/src/player.lisp
index bff62aa..d91c32a 100644
--- a/src/player.lisp
+++ b/src/player.lisp
@@ -1,7 +1,10 @@
 (defpackage player
   (:use :cl)
   (:export :init-player
-		   :name))
+		   :name
+		   :cash
+		   :debt
+		   :buy-item))
 
 (in-package :player)
 
@@ -19,7 +22,7 @@
 		  :accessor clout)
    (stash :initform 0
 		  :accessor stash)
-   (stock :initform  (make-instance 'inventory :size 100)
+   (stock :initform (inventory:new-inventory 100)
 		  :accessor stock)))
 
 (defun init-player (name &optional (cash 2000) (debt 5000))
@@ -27,3 +30,15 @@
 				 :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)))))
+
+