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Force the pathfinder to build serpentine roads

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This commit is contained in:
Andreas Schmitt
2021-06-17 02:52:36 +02:00
committed by Jonathan G Rennison
parent bd41cb618a
commit 198ef11a2b
1 changed files with 17 additions and 0 deletions
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17
src/road.cpp
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@@ -885,6 +885,23 @@ static int32 PublicRoad_CalculateG(AyStar *, AyStarNode *current, OpenListNode *
if (GetTileZ(parent->path.node.tile) != GetTileZ(current->tile)) {
cost += COST_FOR_SLOPE;
auto current_node = &parent->path;
auto parent_node = parent->path.parent;
// Force the pathfinder to build serpentine roads by punishing every slope in the last couple of tiles.
for (int i = 0; i < 3; ++i) {
if (current_node == nullptr || parent_node == nullptr) {
break;
}
if (GetTileZ(current_node->node.tile) != GetTileZ(parent_node->node.tile)) {
cost += COST_FOR_SLOPE;
}
current_node = parent_node;
parent_node = current_node->parent;
}
}
}