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@ -253,13 +253,14 @@ static bool _has_tunnel_in_path;
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static RoadType _public_road_type;
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static RoadType _public_road_type;
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static const uint _public_road_hash_size = 8U; ///< The number of bits the hash for river finding should have.
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static const uint _public_road_hash_size = 8U; ///< The number of bits the hash for river finding should have.
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static const int32 BASE_COST_PER_TILE = 1; // Cost for building a new road.
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static const int32 COST_FOR_NEW_ROAD = 100; // Cost for building a new road.
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static const int32 COST_FOR_NEW_ROAD = 100; // Cost for building a new road.
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static const int32 COST_FOR_SLOPE = 50; // Additional cost if the road heads up or down a slope.
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static const int32 COST_FOR_SLOPE = 50; // Additional cost if the road heads up or down a slope.
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/** AyStar callback for getting the cost of the current node. */
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/** AyStar callback for getting the cost of the current node. */
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static int32 PublicRoad_CalculateG(AyStar *, AyStarNode *current, OpenListNode *parent)
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static int32 PublicRoad_CalculateG(AyStar *, AyStarNode *current, OpenListNode *parent)
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{
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{
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int32 cost = 0;
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int32 cost = BASE_COST_PER_TILE;
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if (!IsTileType(current->tile, MP_ROAD)) {
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if (!IsTileType(current->tile, MP_ROAD)) {
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if (!AreTilesAdjacent(parent->path.node.tile, current->tile))
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if (!AreTilesAdjacent(parent->path.node.tile, current->tile))
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@ -289,7 +290,7 @@ static int32 PublicRoad_CalculateG(AyStar *, AyStarNode *current, OpenListNode *
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/** AyStar callback for getting the estimated cost to the destination. */
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/** AyStar callback for getting the estimated cost to the destination. */
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static int32 PublicRoad_CalculateH(AyStar *aystar, AyStarNode *current, OpenListNode *parent)
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static int32 PublicRoad_CalculateH(AyStar *aystar, AyStarNode *current, OpenListNode *parent)
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{
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{
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return DistanceManhattan(*static_cast<TileIndex*>(aystar->user_target), current->tile) * COST_FOR_NEW_ROAD;
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return DistanceManhattan(*static_cast<TileIndex*>(aystar->user_target), current->tile) * BASE_COST_PER_TILE;
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}
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}
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/** Helper function to check if a tile along a certain direction is going up an inclined slope. */
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/** Helper function to check if a tile along a certain direction is going up an inclined slope. */
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