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DroidFish: Don't try to perform syzygy probes for illegal positions.

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Peter Osterlund
2014-12-22 16:39:53 +00:00
parent 1a24480de8
commit d521972d4e
1 changed files with 9 additions and 0 deletions
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9
DroidFish/src/org/petero/droidfish/tb/Probe.java
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@@ -20,11 +20,13 @@ package org.petero.droidfish.tb;
import java.util.ArrayList; import java.util.ArrayList;
import org.petero.droidfish.gamelogic.ChessParseError;
import org.petero.droidfish.gamelogic.Move; import org.petero.droidfish.gamelogic.Move;
import org.petero.droidfish.gamelogic.MoveGen; import org.petero.droidfish.gamelogic.MoveGen;
import org.petero.droidfish.gamelogic.Pair; import org.petero.droidfish.gamelogic.Pair;
import org.petero.droidfish.gamelogic.Piece; import org.petero.droidfish.gamelogic.Piece;
import org.petero.droidfish.gamelogic.Position; import org.petero.droidfish.gamelogic.Position;
import org.petero.droidfish.gamelogic.TextIO;
import org.petero.droidfish.gamelogic.UndoInfo; import org.petero.droidfish.gamelogic.UndoInfo;
/** Interface between Position class and GTB/RTB probing code. */ /** Interface between Position class and GTB/RTB probing code. */
@@ -217,6 +219,13 @@ public class Probe {
if (pos.nPieces() > 6) if (pos.nPieces() > 6)
return new ProbeResult(ProbeResult.Type.NONE, 0, 0); return new ProbeResult(ProbeResult.Type.NONE, 0, 0);
// Make sure position is valid. Required by native move generation code.
try {
TextIO.readFEN(TextIO.toFEN(pos));
} catch (ChessParseError ex) {
return new ProbeResult(ProbeResult.Type.NONE, 0, 0);
}
rtb.initIfNeeded(); rtb.initIfNeeded();
byte[] squares = new byte[64]; byte[] squares = new byte[64];