From 5b697e0c33dbab41e41c63df1ef2b366fbf0a8d9 Mon Sep 17 00:00:00 2001
From: Stefan O'Rear <stefanor@cox.net>
Date: Wed, 30 Dec 2009 01:48:16 -0800
Subject: Shoals tide washes over items, does not push them away

---
 crawl-ref/source/dgn-shoals.cc | 34 +++++-----------------------------
 1 file changed, 5 insertions(+), 29 deletions(-)

(limited to 'crawl-ref/source')

diff --git a/crawl-ref/source/dgn-shoals.cc b/crawl-ref/source/dgn-shoals.cc
index 3547932a43..028a8984bb 100644
--- a/crawl-ref/source/dgn-shoals.cc
+++ b/crawl-ref/source/dgn-shoals.cc
@@ -866,8 +866,7 @@ static void _shoals_run_tide(int &tide, int &acc)
         acc = in_decel_margin? acc / 2 : acc * 2;
 }
 
-static coord_def _shoals_escape_place_from(coord_def bad_place,
-                                           actor *act, item_def *it)
+static coord_def _shoals_escape_place_from(coord_def bad_place, actor *act)
 {
     int best_height = -1000;
     coord_def chosen;
@@ -875,8 +874,7 @@ static coord_def _shoals_escape_place_from(coord_def bad_place,
     {
         coord_def p(*ai);
         const dungeon_feature_type feat(grd(p));
-        if ((!act || (feat_has_solid_floor(feat) && !actor_at(p)))
-            && (!it || !feat_destroys_item(feat, *it)))
+        if (feat_has_solid_floor(feat) && !actor_at(p))
         {
             if (best_height == -1000 || shoals_heights(p) > best_height)
             {
@@ -888,27 +886,6 @@ static coord_def _shoals_escape_place_from(coord_def bad_place,
     return chosen;
 }
 
-static bool _shoals_tide_sweep_items_clear(coord_def c)
-{
-    int link = igrd(c);
-    if (link == NON_ITEM)
-        return true;
-
-    for (stack_iterator si(c); si; ++si)
-    {
-        const coord_def target(_shoals_escape_place_from(c, NULL, &*si));
-        // Don't abort tide entry because of items. If we can't sweep the
-        // item clear here, let dungeon_terrain_changed teleport the item
-        // to the nearest safe square.
-        int id = si.link();
-
-        if (!target.origin())
-            move_item_to_grid(&id, target);
-    }
-
-    return true;
-}
-
 static bool _shoals_tide_sweep_actors_clear(coord_def c)
 {
     actor *victim = actor_at(c);
@@ -927,19 +904,18 @@ static bool _shoals_tide_sweep_actors_clear(coord_def c)
         if (monster_habitable_grid(mvictim, DNGN_DEEP_WATER))
             return true;
     }
-    coord_def evacuation_point(_shoals_escape_place_from(c, victim, NULL));
+    coord_def evacuation_point(_shoals_escape_place_from(c, victim));
     // The tide moves on even if we cannot evacuate the tile!
     if (!evacuation_point.origin())
         victim->move_to_pos(evacuation_point);
     return true;
 }
 
-// The tide will attempt to push items and non-water-capable monsters to
+// The tide will attempt to push non-water-capable monsters to
 // adjacent squares.
 static bool _shoals_tide_sweep_clear(coord_def c)
 {
-    return _shoals_tide_sweep_items_clear(c)
-        && _shoals_tide_sweep_actors_clear(c);
+    return _shoals_tide_sweep_actors_clear(c);
 }
 
 static void _shoals_apply_tide_feature_at(coord_def c,
-- 
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