Create the scaffodling for an inventory menu

All it does right now is print your raw list of
items. That’s OK for now! =w=

flora-search-aurora.asd

@@ -7,6 +7,7 @@
                (:file "display")
                (:file "input")
                (:file "ui")
+               (:file "inventory")
                (:file "overworld.util")
                (:file "overworld")
                (:file "dialogue")

inventory.lisp

@@ -0,0 +1,65 @@
+
+;;;; Copyright © 2023, Jaidyn Ann <jadedctrl@posteo.at>
+;;;;
+;;;; This program is free software: you can redistribute it and/or
+;;;; modify it under the terms of the GNU General Public License as
+;;;; published by the Free Software Foundation, either version 3 of
+;;;; the License, or (at your option) any later version.
+;;;;
+;;;; This program is distributed in the hope that it will be useful,
+;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;;; GNU General Public License for more details.
+;;;;
+;;;; You should have received a copy of the GNU General Public License
+;;;; along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+;;;; FLORA-SEARCH-AURORA.INVENTORY
+;;;; The menu for inventory selection/management.
+
+(defpackage :flora-search-aurora.inventory
+  (:nicknames :fsa.inv :inventory :🎒)
+  (:use :cl)
+  (:export #:inventory-state #:make-inventory-state))
+
+(in-package :flora-search-aurora.inventory)
+
+
+;;; ———————————————————————————————————
+;;; Inventory loop logic
+;;; ———————————————————————————————————
+(defun inventory-state-update (map)
+  (if (and (listen)
+           (let ((input (getf (⌨:read-gamefied-char-plist) :semantic)))
+             (or (eq input '⌨:🆗)
+                 (eq input '⌨:❎))))
+    (values nil
+            (list :map map))
+    't))
+
+
+
+;;; ———————————————————————————————————
+;;; Inventory loop drawing
+;;; ———————————————————————————————————
+(defun inventory-state-draw (matrix items)
+  (📋:render-string matrix (format nil "~A" items) '(:x 0 :y 0)))
+
+
+
+;;; ———————————————————————————————————
+;;; Inventory loop
+;;; ———————————————————————————————————
+(defun inventory-state (matrix &key map)
+  "A state-function for use with STATE-LOOP."
+  (sleep .02)
+  (inventory-state-draw matrix (gethash :items map))
+  (inventory-state-update map))
+
+
+(defun make-inventory-state (map)
+  "Return a state-function for inventory-listing, for use with STATE-LOOP."
+  (lambda (matrix &key (map map))
+    (apply #'🎒:inventory-state
+           (list matrix :map map))))
+

overworld.lisp

@@ -224,12 +224,12 @@ Returns parameters to be used in the next invocation of OVERWORLD-STATE."
              (if interaction
                  (apply (string->symbol interaction) (list map interactee-id))
                  (list :map map))))
-          ;; The pause-menu…
-;;          ((plist = input '(:modifier nil :char #\Esc)))
+          ('⌨:❎
+           (🎒:make-inventory-state map))
           ;; Simple up-down-left-right movements
           ('⌨:→
            (move-player map :Δx 1))
-          ('⌨:→
+          ('⌨:←
            (move-player map :Δx -1))
           ('⌨:↑
            (move-player map :Δy -1))