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Codechange: pass "ground vehicle" to GetTileSlopeZ since for tunnel/bridges there are two states

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Previously it checked the position in non-driving direction to "guess" whether
a ground vehicle was using the function, so on tunnels/bridges it could either
return the Z of the (virtual) ground compared to the Z of the path the vehicle
would take.
This commit is contained in:
Rubidium
2023-03-12 18:14:44 +01:00
committed by rubidium42
parent 1321e48465
commit e8af8daa68
21 changed files with 64 additions and 45 deletions
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4
src/pathfinder/npf/npf.cpp
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@@ -245,8 +245,8 @@ static uint NPFSlopeCost(AyStarNode *current)
/* Get the height on both sides of the tile edge.
* Avoid testing the height on the tile-center. This will fail for halftile-foundations.
*/
int z1 = GetSlopePixelZ(x1 + dx4, y1 + dy4);
int z2 = GetSlopePixelZ(x2 - dx4, y2 - dy4);
int z1 = GetSlopePixelZ(x1 + dx4, y1 + dy4, true);
int z2 = GetSlopePixelZ(x2 - dx4, y2 - dy4, true);
if (z2 - z1 > 1) {
/* Slope up */