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Codechange: [NPF] Add some consts.

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This commit is contained in:
J0an Josep 2019-01-14 23:13:12 +01:00 committed by Charles Pigott
parent 96c5e5e73a
commit 19be1f4ace
3 changed files with 6 additions and 6 deletions
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2
src/landscape.cpp
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@ -1098,7 +1098,7 @@ static bool FlowsDown(TileIndex begin, TileIndex end)
}
/* AyStar callback for checking whether we reached our destination. */
static int32 River_EndNodeCheck(AyStar *aystar, OpenListNode *current)
static int32 River_EndNodeCheck(const AyStar *aystar, const OpenListNode *current)
{
return current->path.node.tile == *(TileIndex*)aystar->user_target ? AYSTAR_FOUND_END_NODE : AYSTAR_DONE;
}

2
src/pathfinder/npf/aystar.h
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@ -75,7 +75,7 @@ struct AyStar;
* - #AYSTAR_FOUND_END_NODE : indicates this is the end tile
* - #AYSTAR_DONE : indicates this is not the end tile (or direction was wrong)
*/
typedef int32 AyStar_EndNodeCheck(AyStar *aystar, OpenListNode *current);
typedef int32 AyStar_EndNodeCheck(const AyStar *aystar, const OpenListNode *current);
/**
* Calculate the G-value for the %AyStar algorithm.

8
src/pathfinder/npf/npf.cpp
View File

@ -529,7 +529,7 @@ static int32 NPFRailPathCost(AyStar *as, AyStarNode *current, OpenListNode *pare
}
/* Will find any depot */
static int32 NPFFindDepot(AyStar *as, OpenListNode *current)
static int32 NPFFindDepot(const AyStar *as, const OpenListNode *current)
{
AyStarUserData *user = (AyStarUserData *)as->user_data;
/* It's not worth caching the result with NPF_FLAG_IS_TARGET here as below,
@ -539,7 +539,7 @@ static int32 NPFFindDepot(AyStar *as, OpenListNode *current)
}
/** Find any safe and free tile. */
static int32 NPFFindSafeTile(AyStar *as, OpenListNode *current)
static int32 NPFFindSafeTile(const AyStar *as, const OpenListNode *current)
{
const Train *v = Train::From(((NPFFindStationOrTileData *)as->user_target)->v);
@ -549,10 +549,10 @@ static int32 NPFFindSafeTile(AyStar *as, OpenListNode *current)
}
/* Will find a station identified using the NPFFindStationOrTileData */
static int32 NPFFindStationOrTile(AyStar *as, OpenListNode *current)
static int32 NPFFindStationOrTile(const AyStar *as, const OpenListNode *current)
{
NPFFindStationOrTileData *fstd = (NPFFindStationOrTileData*)as->user_target;
AyStarNode *node = &current->path.node;
const AyStarNode *node = &current->path.node;
TileIndex tile = node->tile;
if (fstd->station_index == INVALID_STATION && tile == fstd->dest_coords) return AYSTAR_FOUND_END_NODE;