new example

[lifp.git] / verbs.lisp

diff --git a/verbs.lisp b/verbs.lisp
index 0adf53ce8cbdbf161bf1afa261b94a0fbaf08e13..7704ce39d994d9c8d6b0484e83927e91a35eb0da 100644 (file)
--- a/verbs.lisp
+++ b/verbs.lisp
@@ -17,8 +17,9 @@
           :take :put-in :put-on :drop :receive\r
           :wear :strip :enter :climb :drink :eat\r
            :rub :turn :switch-on :switch-off\r
-           :fill :empty :extract :let-go)\r
-  (:shadow :listen :fill)\r
+           :fill :empty :extract :let-go :open :close\r
+           :lock :unlock :unlock-open)\r
+  (:shadow :listen :fill :open :close)\r
   (:shadowing-import-from :if-lib :room))\r
 \r
 (in-package :verb-lib)\r
@@ -174,7 +175,21 @@
       \r
 (verb "empty" '(:noun -> empty))\r
 \r
+(verb "open" \r
+      '(:noun -> open)\r
+      '(:noun "with" :held -> unlock-open))\r
 \r
+(verb "close" '(:noun -> close))\r
+(verb "shut" \r
+      '(:noun -> close)\r
+      '("off" :noun -> switch-off)\r
+      '(:noun "off" -> switch-off))\r
+\r
+(verb "lock"\r
+      '(:noun "with" :held -> lock))\r
+(verb "unlock"\r
+      '(:noun "with" :held -> unlock))\r
+      \r
 \r
 (defaction attack (obj) "Violence is not the answer.")\r
 \r
@@ -338,7 +353,7 @@
   "This action achieves nothing.")\r
 \r
 (defaction turn (what)\r
-  "That's fixed in place")\r
+  "That's fixed in place.")\r
 \r
 (defmethod turn ((item item))\r
   (if (has item :item)\r
@@ -417,3 +432,81 @@
 (defmethod let-go ((host container) (item item))\r
   (move item (parent host))\r
   (run-action-after host))\r
+\r
+(defaction open (obj)\r
+  "You cannot open this.")\r
+\r
+(defmethod open ((obj container))\r
+  (unless (and (has obj :container) (has obj :openable))\r
+    (return-from open (call-next-method)))  \r
+  (if (has obj :closed)\r
+      (if (hasnt obj :locked)\r
+          (progn \r
+            (give obj :~closed)\r
+            (when (run-action-after obj)\r
+              (format nil "You open ~a." (the-name obj))))\r
+          "It's locked.")\r
+      (format nil "~a is already open." (the-name obj))))\r
+\r
+(defaction close (obj)\r
+  "You cannot close this.")\r
+\r
+(defmethod close ((obj container))\r
+  (unless (and (has obj :container) (has obj :openable))\r
+    (return-from close (call-next-method)))\r
+  (if (hasnt obj :closed)\r
+      (progn \r
+        (give obj :closed)\r
+        (when (run-action-after obj)\r
+          (format nil "You close ~a." (the-name obj))))\r
+      (format nil "~a is already closed." (the-name obj))))\r
+\r
+(defaction lock (obj key)\r
+  "Not lockable.")\r
+\r
+(defmethod lock ((obj container) (key item))\r
+  (unless (and (has obj :container) \r
+               (has obj :openable)\r
+               (has obj :lockable))\r
+    (return-from lock (call-next-method)))\r
+  (if (has obj :locked) \r
+      (format nil "~a is already locked." (the-name obj))\r
+      (if (hasnt obj :closed)\r
+          (format nil "~a is not closed." (the-name obj))\r
+          (if (with-keys obj key)\r
+              (progn\r
+                (give obj :locked)\r
+                (when (run-action-after obj)\r
+                  (format nil "You lock ~a." (the-name obj))))\r
+              (format nil "You cannot lock ~a with ~a."\r
+                      (the-name obj) (the-name key))))))\r
+\r
+(defaction unlock (obj key)\r
+  "There is nothing to unlock.")\r
+\r
+(defmethod unlock ((obj container) (key item))\r
+  (unless (and (has obj :container) \r
+               (has obj :openable)\r
+               (has obj :lockable))\r
+    (return-from unlock (call-next-method)))\r
+  (if (hasnt obj :locked) \r
+      (format nil "~a is already unlocked." (the-name obj))\r
+      (if (hasnt obj :closed)\r
+          (format nil "~a is not closed." (the-name obj))\r
+          (if (with-keys obj key)\r
+              (progn\r
+                (give obj :~locked)\r
+                (when (run-action-after obj)\r
+                  (format nil "You unlock ~a." (the-name obj))))\r
+              (format nil "You cannot unlock ~a with ~a."\r
+                      (the-name obj) (the-name key))))))\r
+\r
+(defaction unlock-open (obj key)\r
+  "You cannot open this.")\r
+\r
+(defmethod unlock-open ((obj container) (key item))\r
+  (unless (and (has obj :container) \r
+               (has obj :openable))\r
+    (return-from unlock-open (call-next-method)))\r
+  (and (run-action 'unlock *args*)\r
+       (run-action 'open obj)))\r