From 7bb7d6c35a8d5ce01120fe54b7544186be24ef08 Mon Sep 17 00:00:00 2001
From: alberth <alberth@openttd.org>
Date: Sat, 2 Oct 2010 10:00:05 +0000
Subject: (svn r20868) -Codechange: Make AyStarMain_Main() a method.

---
 src/pathfinder/npf/aystar.cpp | 12 +++++-------
 src/pathfinder/npf/aystar.h   | 11 +++--------
 src/pathfinder/npf/npf.cpp    |  2 +-
 3 files changed, 9 insertions(+), 16 deletions(-)

(limited to 'src/pathfinder')

diff --git a/src/pathfinder/npf/aystar.cpp b/src/pathfinder/npf/aystar.cpp
index 2910f2c1c..b563a20d2 100644
--- a/src/pathfinder/npf/aystar.cpp
+++ b/src/pathfinder/npf/aystar.cpp
@@ -231,15 +231,15 @@ void AyStar::Clear()
  *   AYSTAR_NO_PATH : indicates that there was no path found.
  *   AYSTAR_STILL_BUSY : indicates we have done some checked, that we did not found the path yet, and that we still have items left to try.
  * When the algorithm is done (when the return value is not AYSTAR_STILL_BUSY)
- * aystar->clear() is called. Note that when you stop the algorithm halfway,
- * you should still call clear() yourself!
+ * this->Clear() is called. Note that when you stop the algorithm halfway,
+ * you should still call Clear() yourself!
  */
-int AyStarMain_Main(AyStar *aystar)
+int AyStar::Main()
 {
 	int r, i = 0;
 	/* Loop through the OpenList
 	 *  Quit if result is no AYSTAR_STILL_BUSY or is more than loops_per_tick */
-	while ((r = aystar->Loop()) == AYSTAR_STILL_BUSY && (aystar->loops_per_tick == 0 || ++i < aystar->loops_per_tick)) { }
+	while ((r = this->Loop()) == AYSTAR_STILL_BUSY && (this->loops_per_tick == 0 || ++i < this->loops_per_tick)) { }
 #ifdef AYSTAR_DEBUG
 	switch (r) {
 		case AYSTAR_FOUND_END_NODE: printf("[AyStar] Found path!\n"); break;
@@ -250,7 +250,7 @@ int AyStarMain_Main(AyStar *aystar)
 #endif
 	if (r != AYSTAR_STILL_BUSY) {
 		/* We're done, clean up */
-		aystar->Clear();
+		this->Clear();
 	}
 
 	switch (r) {
@@ -288,6 +288,4 @@ void init_AyStar(AyStar *aystar, Hash_HashProc hash, uint num_buckets)
 	 *  When that one gets full it reserves another one, till this number
 	 *  That is why it can stay this high */
 	aystar->OpenListQueue.Init(102400);
-
-	aystar->main      = AyStarMain_Main;
 }
diff --git a/src/pathfinder/npf/aystar.h b/src/pathfinder/npf/aystar.h
index bcda7000a..199e3d944 100644
--- a/src/pathfinder/npf/aystar.h
+++ b/src/pathfinder/npf/aystar.h
@@ -103,9 +103,6 @@ typedef void AyStar_GetNeighbours(AyStar *aystar, OpenListNode *current);
  */
 typedef void AyStar_FoundEndNode(AyStar *aystar, OpenListNode *current);
 
-/* For internal use, see aystar.cpp */
-typedef int AyStar_Main(AyStar *aystar);
-
 struct AyStar {
 /* These fields should be filled before initting the AyStar, but not changed
  * afterwards (except for user_data and user_path)! (free and init again to change them) */
@@ -128,7 +125,7 @@ struct AyStar {
 	void *user_target;
 	uint user_data[10];
 
-	/* How many loops are there called before AyStarMain_Main gives
+	/* How many loops are there called before Main() gives
 	 * control back to the caller. 0 = until done */
 	byte loops_per_tick;
 	/* If the g-value goes over this number, it stops searching
@@ -143,9 +140,9 @@ struct AyStar {
 	byte num_neighbours;
 
 	/* These will contain the methods for manipulating the AyStar. Only
-	 * main() should be called externally */
+	 * Main() should be called externally */
 	void AddStartNode(AyStarNode *start_node, uint g);
-	AyStar_Main *main;
+	int Main();
 	int Loop();
 	void Free();
 	void Clear();
@@ -163,8 +160,6 @@ struct AyStar {
 };
 
 
-int AyStarMain_Main(AyStar *aystar);
-
 /* Initialize an AyStar. You should fill all appropriate fields before
  * callling init_AyStar (see the declaration of AyStar for which fields are
  * internal */
diff --git a/src/pathfinder/npf/npf.cpp b/src/pathfinder/npf/npf.cpp
index b027ba933..2cad61e65 100644
--- a/src/pathfinder/npf/npf.cpp
+++ b/src/pathfinder/npf/npf.cpp
@@ -1007,7 +1007,7 @@ static NPFFoundTargetData NPFRouteInternal(AyStarNode *start1, bool ignore_start
 	_npf_aystar.user_data[NPF_RAILTYPES] = railtypes;
 
 	/* GO! */
-	r = AyStarMain_Main(&_npf_aystar);
+	r = _npf_aystar.Main();
 	assert(r != AYSTAR_STILL_BUSY);
 
 	if (result.best_bird_dist != 0) {
-- 
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