From 7b2f563727d21cce89951600717a80d0ef859a77 Mon Sep 17 00:00:00 2001
From: alberth <alberth@openttd.org>
Date: Sat, 2 Oct 2010 19:39:34 +0000
Subject: [PATCH] (svn r20881) -Codechange: Make Hash_Get a method.

---
 src/pathfinder/npf/aystar.cpp | 4 ++--
 src/pathfinder/npf/queue.cpp  | 8 ++++++--
 src/pathfinder/npf/queue.h    | 7 ++-----
 3 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/src/pathfinder/npf/aystar.cpp b/src/pathfinder/npf/aystar.cpp
index 01057ea732..571754002c 100644
--- a/src/pathfinder/npf/aystar.cpp
+++ b/src/pathfinder/npf/aystar.cpp
@@ -33,7 +33,7 @@
  *  If so, it returns the PathNode, else NULL */
 PathNode *AyStar::ClosedListIsInList(const AyStarNode *node)
 {
-	return (PathNode*)Hash_Get(&this->ClosedListHash, node->tile, node->direction);
+	return (PathNode*)this->ClosedListHash.Get(node->tile, node->direction);
 }
 
 /* This adds a node to the ClosedList
@@ -50,7 +50,7 @@ void AyStar::ClosedListAdd(const PathNode *node)
  *   If so, it returns the OpenListNode, else NULL */
 OpenListNode *AyStar::OpenListIsInList(const AyStarNode *node)
 {
-	return (OpenListNode*)Hash_Get(&this->OpenListHash, node->tile, node->direction);
+	return (OpenListNode*)this->OpenListHash.Get(node->tile, node->direction);
 }
 
 /* Gets the best node from OpenList
diff --git a/src/pathfinder/npf/queue.cpp b/src/pathfinder/npf/queue.cpp
index f1ac7af369..473f50c706 100644
--- a/src/pathfinder/npf/queue.cpp
+++ b/src/pathfinder/npf/queue.cpp
@@ -502,9 +502,13 @@ void *Hash_Set(Hash *h, uint key1, uint key2, void *value)
 	return NULL;
 }
 
-void *Hash_Get(const Hash *h, uint key1, uint key2)
+/**
+ * Gets the value associated with the given key pair, or NULL when it is not
+ * present.
+ */
+void *Hash::Get(uint key1, uint key2) const
 {
-	HashNode *node = Hash_FindNode(h, key1, key2, NULL);
+	HashNode *node = Hash_FindNode(this, key1, key2, NULL);
 
 #ifdef HASH_DEBUG
 	debug("Found node: %p", node);
diff --git a/src/pathfinder/npf/queue.h b/src/pathfinder/npf/queue.h
index 92509fdb54..6d42bae923 100644
--- a/src/pathfinder/npf/queue.h
+++ b/src/pathfinder/npf/queue.h
@@ -86,6 +86,8 @@ struct Hash {
 	 * there are any Nodes in the bucket */
 	bool *buckets_in_use;
 
+	void *Get(uint key1, uint key2) const;
+
 	/**
 	 * Gets the current size of the hash.
 	 */
@@ -108,11 +110,6 @@ void *Hash_Delete(Hash *h, uint key1, uint key2);
  * Returns the old value if the value was replaced, NULL when it was not yet present.
  */
 void *Hash_Set(Hash *h, uint key1, uint key2, void *value);
-/**
- * Gets the value associated with the given key pair, or NULL when it is not
- * present.
- */
-void *Hash_Get(const Hash *h, uint key1, uint key2);
 
 /* Call these function to create/destroy a hash */