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Resolve #8371 - prioritize pathfinding direction

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This commit is contained in:
Yair Morgenstern 2023-01-14 21:22:26 +02:00
parent 22f9936a34
commit 4a8b949df8
1 changed files with 16 additions and 1 deletions
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17
core/src/com/unciv/logic/map/UnitMovementAlgorithms.kt
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@ -7,6 +7,8 @@ import com.unciv.logic.civilization.CivilizationInfo
import com.unciv.models.helpers.UnitMovementMemoryType
import com.unciv.models.ruleset.unique.UniqueType
var totalPathfindingMilis:Long = 0
class UnitMovementAlgorithms(val unit: MapUnit) {
private val pathfindingCache = PathfindingCache(unit)
@ -221,13 +223,22 @@ class UnitMovementAlgorithms(val unit: MapUnit) {
val newTilesToCheck = ArrayList<TileInfo>()
var considerZoneOfControl = true // only for first distance!
val visitedTiles: HashSet<TileInfo> = hashSetOf(currentTile)
val startTime = System.currentTimeMillis()
while (true) {
if (distance == 2) { // only set this once after distance > 1
movementThisTurn = unit.getMaxMovement().toFloat()
considerZoneOfControl = false // by then units would have moved around, we don't need to consider untenable futures when it harms performance!
}
newTilesToCheck.clear()
for (tileToCheck in tilesToCheck) {
var tilesByPreference = tilesToCheck //.sortedBy { it.aerialDistanceTo(destination) }
// Avoid embarkation when possible
// if (unit.type.isLandUnit()) tilesByPreference = tilesByPreference.sortedByDescending { it.isLand }
for (tileToCheck in tilesByPreference) {
val distanceToTilesThisTurn = if (distance == 1) {
getDistanceToTiles(considerZoneOfControl) // check cache
}
@ -248,6 +259,10 @@ class UnitMovementAlgorithms(val unit: MapUnit) {
}
path.reverse() // and reverse in order to get the list in chronological order
pathfindingCache.setShortestPathCache(destination, path)
val totalTime = System.currentTimeMillis() - startTime
totalPathfindingMilis += totalTime
return path
} else {
if (movementTreeParents.containsKey(reachableTile)) continue // We cannot be faster than anything existing...