From b58fbcfafc44bc2810863a3722bee2e6a8f7d22d Mon Sep 17 00:00:00 2001
From: dshaligram <dshaligram@c06c8d41-db1a-0410-9941-cceddc491573>
Date: Thu, 7 Dec 2006 07:51:48 +0000
Subject: *Breaks save compatibility* - changed monster flags to long, added
 "god" field for future fun. dungeon.cc cleanup and rework to support floating
 vaults. Updated levcomp to support the float orientation. coord_def now has a
 constructor. USE_RIVERS and USE_NEW_UNRANDS are no longer conditional.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@585 c06c8d41-db1a-0410-9941-cceddc491573
---
 crawl-ref/source/dungeon.h | 50 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

(limited to 'crawl-ref/source/dungeon.h')

diff --git a/crawl-ref/source/dungeon.h b/crawl-ref/source/dungeon.h
index 4252b8f6cc..66b73d26ad 100644
--- a/crawl-ref/source/dungeon.h
+++ b/crawl-ref/source/dungeon.h
@@ -66,4 +66,54 @@ void place_spec_shop(int level_number, unsigned char shop_x,
                          unsigned char shop_y, unsigned char force_s_type,
                          bool representative = false );
 
+class dgn_region;
+typedef std::vector<dgn_region> dgn_region_list;
+
+struct dgn_region
+{
+    // pos is top-left corner.
+    coord_def pos, size;
+
+    dgn_region(int left, int top, int width, int height)
+        : pos(left, top), size(width, height)
+    {
+    }
+
+    dgn_region() : pos(-1, -1), size()
+    {
+    }
+
+    coord_def end() const
+    {
+        return pos + size - coord_def(1, 1);
+    }
+
+    coord_def random_edge_point() const;
+
+    static dgn_region absolute(int left, int top, int right, int bottom)
+    {
+        return dgn_region(left, top, right - left + 1, bottom - top + 1);
+    }
+
+    static bool between(int val, int low, int high)
+    {
+        return (val >= low && val <= high);
+    }
+
+    bool contains(const coord_def &p) const
+    {
+        return (p.x >= pos.x && p.x < pos.x + size.x
+                && p.y >= pos.y && p.y < pos.y + size.y);
+    }
+    
+    bool fully_contains(const coord_def &p) const
+    {
+        return (p.x > pos.x && p.x < pos.x + size.x - 1
+                && p.y >= pos.y && p.y < pos.y + size.y - 1);
+    }
+    
+    bool overlaps(const dgn_region &other) const;
+    bool overlaps_any(const dgn_region_list &others) const;
+};
+
 #endif
-- 
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