From f79c9dacc90e9a7880f73abe03565e6d797e20a9 Mon Sep 17 00:00:00 2001
From: haranp <haranp@c06c8d41-db1a-0410-9941-cceddc491573>
Date: Wed, 4 Jul 2007 11:54:17 +0000
Subject: Implemented Blade card. Damnation will no longer work in
 Abyss/Pan/Lab.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1747 c06c8d41-db1a-0410-9941-cceddc491573
---
 crawl-ref/source/decks.cc    | 31 +++++++++++++++++++++++--------
 crawl-ref/source/item_use.cc | 28 +++++++++++++++-------------
 crawl-ref/source/item_use.h  |  2 ++
 3 files changed, 40 insertions(+), 21 deletions(-)

(limited to 'crawl-ref/source')

diff --git a/crawl-ref/source/decks.cc b/crawl-ref/source/decks.cc
index 6e72756b13..c035744aa8 100644
--- a/crawl-ref/source/decks.cc
+++ b/crawl-ref/source/decks.cc
@@ -19,7 +19,9 @@
 #include "beam.h"
 #include "effects.h"
 #include "food.h"
+#include "invent.h"
 #include "it_use2.h"
+#include "item_use.h"
 #include "itemprop.h"
 #include "items.h"
 #include "misc.h"
@@ -314,7 +316,9 @@ bool deck_triple_draw()
         return false;
     }
 
-    item_def& item(you.inv[you.equip[EQ_WEAPON]]);
+    const int slot = you.equip[EQ_WEAPON];
+    item_def& item(you.inv[slot]);
+
     if ( item.plus2 != 0 )
     {
         mpr("You can't triple draw from a marked deck.");
@@ -349,6 +353,8 @@ bool deck_triple_draw()
         else
             canned_msg(MSG_HUH);
     }
+
+    // Note that card_effect() might cause you to unwield the deck.
     card_effect(draws[selected], deck_rarity(item));
 
     // remove the cards from the deck
@@ -356,8 +362,10 @@ bool deck_triple_draw()
     if (item.plus <= 0)
     {
         mpr("The deck of cards disappears in a puff of smoke.");
-        unwield_item(you.equip[EQ_WEAPON]);
-        dec_inv_item_quantity( you.equip[EQ_WEAPON], 1 );
+        if ( slot == you.equip[EQ_WEAPON] )
+            unwield_item(slot);
+
+        dec_inv_item_quantity( slot, 1 );
     }
     you.wield_change = true;
     return true;
@@ -561,6 +569,12 @@ static void velocity_card(int power, deck_rarity_type rarity)
 
 static void damnation_card(int power, deck_rarity_type rarity)
 {
+    if ( you.level_type != LEVEL_DUNGEON )
+    {
+        canned_msg(MSG_NOTHING_HAPPENS);
+        return;
+    }
+
     // pick a random monster nearby to banish (or yourself)
     const int mon_to_banish = choose_random_nearby_monster(1);
 
@@ -770,13 +784,14 @@ static void helm_card(int power, deck_rarity_type rarity)
     }
 }
 
-// Do one of: vorpalise, sure blade, dancing weapon
-// XXX XXX FIXME Hard to do now, because you have to
-// wield the deck in order to evoke it!
 static void blade_card(int power, deck_rarity_type rarity)
 {
-    // not yet implemented
-    return;
+    // Pause before jumping to the list.
+    if (Options.auto_list)
+        more();
+
+    wield_weapon(false);
+
     const int power_level = get_power_level(power, rarity);
     if ( power_level >= 2 )
     {
diff --git a/crawl-ref/source/item_use.cc b/crawl-ref/source/item_use.cc
index a5593022d4..f6ee93ef8f 100644
--- a/crawl-ref/source/item_use.cc
+++ b/crawl-ref/source/item_use.cc
@@ -747,15 +747,12 @@ bool do_wear_armour( int item, bool quiet )
         return (false);
     }
 
-    for (int loopy = EQ_CLOAK; loopy <= EQ_BODY_ARMOUR; loopy++)
+    if ( wearing_slot(item) )
     {
-        if (item == you.equip[loopy])
-        {
-            if (!quiet)
-               mpr("You are already wearing that!");
+        if (!quiet)
+            mpr("You are already wearing that!");
 
-            return (false);
-        }
+        return (false);
     }
 
     // if you're wielding something,
@@ -1106,13 +1103,10 @@ void throw_anything(void)
     }
     else
     {
-        for (int loopy = EQ_CLOAK; loopy <= EQ_AMULET; loopy++)
+        if ( wearing_slot(throw_slot) )
         {
-            if (throw_slot == you.equip[loopy])
-            {
-                mpr("You are wearing that object!");
-                return;
-            }
+            mpr("You are wearing that object!");
+            return;
         }
     }
 
@@ -3730,3 +3724,11 @@ void use_randart(const item_def &item)
         xom_is_stimulated(256);
     }
 }
+
+bool wearing_slot(int inv_slot)
+{
+    for (int i = EQ_CLOAK; i <= EQ_AMULET; ++i)
+        if ( inv_slot == you.equip[i] )
+            return true;
+    return false;
+}
diff --git a/crawl-ref/source/item_use.h b/crawl-ref/source/item_use.h
index 721ea9678b..be9c28ff44 100644
--- a/crawl-ref/source/item_use.h
+++ b/crawl-ref/source/item_use.h
@@ -149,4 +149,6 @@ void warn_shield_penalties();
 
 int item_special_wield_effect(const item_def &item);
 
+bool wearing_slot(int inv_slot);
+
 #endif
-- 
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