From 6f40e4499e2e8057d7ff2476faec45d186daadfe Mon Sep 17 00:00:00 2001
From: Darshan Shaligram <dshaligram@users.sourceforge.net>
Date: Wed, 30 Dec 2009 08:24:00 +0530
Subject: Remove shoal decoy huts. The rune huts are now also used as decoys,
 with the rune replaced by |

---
 crawl-ref/source/dat/shoals.des | 28 ++++++----------------------
 crawl-ref/source/dgn-shoals.cc  | 12 ++++++++----
 crawl-ref/source/dungeon.cc     | 15 +++++++++++----
 crawl-ref/source/dungeon.h      |  3 ++-
 4 files changed, 27 insertions(+), 31 deletions(-)

diff --git a/crawl-ref/source/dat/shoals.des b/crawl-ref/source/dat/shoals.des
index 49b17a232b..f74c690a93 100644
--- a/crawl-ref/source/dat/shoals.des
+++ b/crawl-ref/source/dat/shoals.des
@@ -234,11 +234,13 @@ wwwwwwwww
 ENDMAP
 
 ################################################################################
-# Shoal hut with rune inside
+# Shoal hut with rune inside.
+#
+# This hut is also used for the decoy huts, with the rune replaced with a good
+# item.
 #
-# Shoal:$ is hand-hacked to force lots of minivaults.
 NAME:      shoalhut_rune
-TAGS:      shoal_rune water_ok no_dump
+TAGS:      shoal_rune water_ok no_dump allow_dup
 SHUFFLE:   ABCD
 SUBST:     A:x, B:x, C:x=, D=+
 LROCKTILE:  wall_vines
@@ -252,25 +254,6 @@ xx.1.xx
  xxAxx
 ENDMAP
 
-################################################################################
-# Shoal hut with no rune inside
-#
-# Shoal:$ is hand-hacked to force lots of minivaults.
-NAME:    shoalhut_norune
-DEPTH:   Shoal:$
-TAGS:    allow_dup water_ok shoal no_dump
-SHUFFLE: ABCD
-SUBST:   A:x, B:x, C:x=, D=+
-MAP
- xxCxx
-xx.1.xx
-x.1.1.x
-B1.|.1D
-x.1.1.x
-xx.1.xx
- xxAxx
-ENDMAP
-
 ################################################################################
 # Shoal hangout of Ilsuiw. Using PLACE: makes this quite likely to turn up.
 # The hut itself may be empty if Ilsuiw had other engagements.
@@ -281,6 +264,7 @@ TAGS:    water_ok
 KMONS:   1 = Ilsuiw band, siren
 KMONS:   2 = merfolk impaler / merfolk javelineer
 KFEAT:   12 = w
+LROCKTILE:  wall_vines
 MAP
  xxxxx
 xxw2wxx
diff --git a/crawl-ref/source/dgn-shoals.cc b/crawl-ref/source/dgn-shoals.cc
index f48a146266..367ca497d4 100644
--- a/crawl-ref/source/dgn-shoals.cc
+++ b/crawl-ref/source/dgn-shoals.cc
@@ -407,11 +407,15 @@ static void _shoals_furniture(int margin)
         const int nhuts = std::min(8, int(_shoals_islands.size()));
         for (int i = 2; i < nhuts; ++i)
         {
-            // Place (non-rune) minivaults on the other islands
+            // Place (non-rune) minivaults on the other islands. We
+            // reuse the shoal rune huts, but do not place the rune
+            // again.
+            int tries = 5;
             do
-                vault = random_map_for_tag("shoal");
-            while (!vault);
-            dgn_place_map(vault, false, true, _pick_shoals_island());
+                vault = random_map_for_tag("shoal_rune");
+            while (!vault && --tries > 0);
+            if (vault)
+                dgn_place_map(vault, false, true, _pick_shoals_island(), 0);
         }
     }
     else
diff --git a/crawl-ref/source/dungeon.cc b/crawl-ref/source/dungeon.cc
index 93e5086ef6..5cae7491fe 100644
--- a/crawl-ref/source/dungeon.cc
+++ b/crawl-ref/source/dungeon.cc
@@ -4085,8 +4085,11 @@ void _fixup_after_vault()
 // clobber: If true, assumes the newly placed vault can clobber existing
 //          items and monsters (items may be destroyed, monsters may be
 //          teleported).
-bool dgn_place_map(const map_def *mdef, bool clobber, bool make_no_exits,
-                   const coord_def &where)
+bool dgn_place_map(const map_def *mdef,
+                   bool clobber,
+                   bool make_no_exits,
+                   const coord_def &where,
+                   int rune_subst)
 {
     const dgn_colour_override_manager colour_man;
 
@@ -4114,8 +4117,7 @@ bool dgn_place_map(const map_def *mdef, bool clobber, bool make_no_exits,
         }
     }
 
-    int rune_subst = -1;
-    if (mdef->has_tag_suffix("_entry"))
+    if (rune_subst == -1 && mdef->has_tag_suffix("_entry"))
         rune_subst = _dgn_find_rune_subst_tags(mdef->tags);
     did_map = _build_secondary_vault(you.your_level, mdef, rune_subst,
                                      clobber, make_no_exits, where);
@@ -4938,6 +4940,11 @@ static void _vault_grid(vault_placement &place,
             int which_depth;
             int spec = 250;
 
+            // If rune_subst is set to 0, the rune was already placed,
+            // take appropriate steps.
+            if (place.rune_subst == 0 && vgrid == 'O')
+                place.num_runes++;
+
             if (vgrid == '$')
             {
                 which_class = OBJ_GOLD;
diff --git a/crawl-ref/source/dungeon.h b/crawl-ref/source/dungeon.h
index ded9cea53a..38a9aef6d9 100644
--- a/crawl-ref/source/dungeon.h
+++ b/crawl-ref/source/dungeon.h
@@ -193,7 +193,8 @@ void dgn_set_colours_from_monsters();
 void dgn_set_grid_colour_at(const coord_def &c, int colour);
 
 bool dgn_place_map(const map_def *map, bool clobber, bool make_no_exits,
-                   const coord_def &pos = coord_def(-1, -1));
+                   const coord_def &pos = coord_def(-1, -1),
+                   int rune_subst = -1);
 
 void level_clear_vault_memory();
 void level_welcome_messages();
-- 
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