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(svn r20865) -Codechange: Make AyStarMain_CheckTile() a method.

This commit is contained in:
alberth 2010-10-02 09:53:44 +00:00
parent 8e5aaca653
commit 776d541a89
2 changed files with 12 additions and 14 deletions
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23
src/pathfinder/npf/aystar.cpp
View File

@ -87,17 +87,17 @@ static void AyStarMain_OpenList_Add(AyStar *aystar, PathNode *parent, const AySt
* return values:
* AYSTAR_DONE : indicates we are done
*/
static int AyStarMain_CheckTile(AyStar *aystar, AyStarNode *current, OpenListNode *parent)
int AyStar::CheckTile(AyStarNode *current, OpenListNode *parent)
{
int new_f, new_g, new_h;
PathNode *closedlist_parent;
OpenListNode *check;
/* Check the new node against the ClosedList */
if (AyStarMain_ClosedList_IsInList(aystar, current) != NULL) return AYSTAR_DONE;
if (AyStarMain_ClosedList_IsInList(this, current) != NULL) return AYSTAR_DONE;
/* Calculate the G-value for this node */
new_g = aystar->CalculateG(aystar, current, parent);
new_g = this->CalculateG(this, current, parent);
/* If the value was INVALID_NODE, we don't do anything with this node */
if (new_g == AYSTAR_INVALID_NODE) return AYSTAR_DONE;
@ -105,10 +105,10 @@ static int AyStarMain_CheckTile(AyStar *aystar, AyStarNode *current, OpenListNod
assert(new_g >= 0);
/* Add the parent g-value to the new g-value */
new_g += parent->g;
if (aystar->max_path_cost != 0 && (uint)new_g > aystar->max_path_cost) return AYSTAR_DONE;
if (this->max_path_cost != 0 && (uint)new_g > this->max_path_cost) return AYSTAR_DONE;
/* Calculate the h-value */
new_h = aystar->CalculateH(aystar, current, parent);
new_h = this->CalculateH(this, current, parent);
/* There should not be given any error-code.. */
assert(new_h >= 0);
@ -116,15 +116,15 @@ static int AyStarMain_CheckTile(AyStar *aystar, AyStarNode *current, OpenListNod
new_f = new_g + new_h;
/* Get the pointer to the parent in the ClosedList (the currentone is to a copy of the one in the OpenList) */
closedlist_parent = AyStarMain_ClosedList_IsInList(aystar, &parent->path.node);
closedlist_parent = AyStarMain_ClosedList_IsInList(this, &parent->path.node);
/* Check if this item is already in the OpenList */
check = AyStarMain_OpenList_IsInList(aystar, current);
check = AyStarMain_OpenList_IsInList(this, current);
if (check != NULL) {
uint i;
/* Yes, check if this g value is lower.. */
if (new_g > check->g) return AYSTAR_DONE;
aystar->OpenListQueue.Delete(check, 0);
this->OpenListQueue.Delete(check, 0);
/* It is lower, so change it to this item */
check->g = new_g;
check->path.parent = closedlist_parent;
@ -133,10 +133,10 @@ static int AyStarMain_CheckTile(AyStar *aystar, AyStarNode *current, OpenListNod
check->path.node.user_data[i] = current->user_data[i];
}
/* Readd him in the OpenListQueue */
aystar->OpenListQueue.Push(check, new_f);
this->OpenListQueue.Push(check, new_f);
} else {
/* A new node, add him to the OpenList */
AyStarMain_OpenList_Add(aystar, closedlist_parent, current, new_f, new_g);
AyStarMain_OpenList_Add(this, closedlist_parent, current, new_f, new_g);
}
return AYSTAR_DONE;
@ -180,7 +180,7 @@ int AyStar::Loop()
/* Go through all neighbours */
for (i = 0; i < this->num_neighbours; i++) {
/* Check and add them to the OpenList if needed */
this->checktile(this, &this->neighbours[i], current);
this->CheckTile(&this->neighbours[i], current);
}
/* Free the node */
@ -295,5 +295,4 @@ void init_AyStar(AyStar *aystar, Hash_HashProc hash, uint num_buckets)
aystar->addstart = AyStarMain_AddStartNode;
aystar->main = AyStarMain_Main;
aystar->checktile = AyStarMain_CheckTile;
}

3
src/pathfinder/npf/aystar.h
View File

@ -106,7 +106,6 @@ typedef void AyStar_FoundEndNode(AyStar *aystar, OpenListNode *current);
/* For internal use, see aystar.cpp */
typedef void AyStar_AddStartNode(AyStar *aystar, AyStarNode *start_node, uint g);
typedef int AyStar_Main(AyStar *aystar);
typedef int AyStar_CheckTile(AyStar *aystar, AyStarNode *current, OpenListNode *parent);
struct AyStar {
/* These fields should be filled before initting the AyStar, but not changed
@ -151,7 +150,7 @@ struct AyStar {
int Loop();
void Free();
void Clear();
AyStar_CheckTile *checktile;
int CheckTile(AyStarNode *current, OpenListNode *parent);
/* These will contain the open and closed lists */