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AI: fixed MCTS (Monte Carlo) errors in some simulations (#10154);

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This commit is contained in:
Oleg Agafonov 2024-06-10 21:54:53 +04:00
parent c8b5c1fa35
commit 72cf60085c
2 changed files with 76 additions and 3 deletions
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6
Mage.Server.Plugins/Mage.Player.AIMCTS/src/mage/player/ai/ComputerPlayerMCTS.java
View file

@ -94,8 +94,10 @@ public class ComputerPlayerMCTS extends ComputerPlayer {
root = new MCTSNode(playerId, sim);
}
applyMCTS(game, action);
root = root.bestChild();
root.emancipate();
if (root != null && root.bestChild() != null) {
root = root.bestChild();
root.emancipate();
}
}
protected void getNextAction(Game game, NextAction nextAction) {

73
Mage.Tests/src/test/java/org/mage/test/cards/requirement/BecomeBlockTriggersMonteCarloAITest.java
View file

@ -2,15 +2,86 @@ package org.mage.test.cards.requirement;
import mage.constants.PhaseStep;
import mage.constants.Zone;
import org.junit.Ignore;
import org.junit.Test;
import org.mage.test.serverside.base.CardTestPlayerBaseWithMonteCarloAIHelps;
/**
* @author JayDi85
*/
@Ignore // TODO: research and fix attack/block simulations
public class BecomeBlockTriggersMonteCarloAITest extends CardTestPlayerBaseWithMonteCarloAIHelps {
// continue from BecomeBlockTriggersTest
@Test
public void test_AI_Block_NoBlockers() {
addCard(Zone.BATTLEFIELD, playerA, "Grizzly Bears", 1); // 2/2
attack(1, playerA, "Grizzly Bears");
aiPlayStep(1, PhaseStep.DECLARE_BLOCKERS, playerB);
setStopAt(1, PhaseStep.END_TURN);
setStrictChooseMode(true);
execute();
assertLife(playerB, 20 - 2);
assertPermanentCount(playerA, 1);
}
@Test
public void test_AI_Block_KillAttackerAndAlive() {
addCard(Zone.BATTLEFIELD, playerA, "Grizzly Bears", 1); // 2/2
//
addCard(Zone.BATTLEFIELD, playerB, "Apex Devastator", 1); // 10/10
attack(1, playerA, "Grizzly Bears");
aiPlayStep(1, PhaseStep.DECLARE_BLOCKERS, playerB);
setStopAt(1, PhaseStep.END_TURN);
setStrictChooseMode(true);
execute();
assertLife(playerB, 20);
assertPermanentCount(playerA, 0);
assertPermanentCount(playerB, 1);
}
@Test
public void test_AI_Block_KillAttackerAndDie() {
addCard(Zone.BATTLEFIELD, playerA, "Atarka Efreet", 1); // 5/1
//
addCard(Zone.BATTLEFIELD, playerB, "Aarakocra Sneak", 1); // 1/4
attack(1, playerA, "Atarka Efreet");
aiPlayStep(1, PhaseStep.DECLARE_BLOCKERS, playerB);
setStopAt(1, PhaseStep.END_TURN);
setStrictChooseMode(true);
execute();
assertLife(playerB, 20);
assertPermanentCount(playerA, 1);
assertPermanentCount(playerB, 1);
}
@Test
public void test_AI_Block_BlockAttackerAndDie() {
addCard(Zone.BATTLEFIELD, playerA, "Apex Devastator", 1);// 10/10
//
addCard(Zone.BATTLEFIELD, playerB, "Grizzly Bears", 1); // 2/2
attack(1, playerA, "Apex Devastator");
aiPlayStep(1, PhaseStep.DECLARE_BLOCKERS, playerB);
setStopAt(1, PhaseStep.END_TURN);
setStrictChooseMode(true);
execute();
assertLife(playerB, 20);
assertPermanentCount(playerA, 1);
assertPermanentCount(playerB, 0);
}
@Test
public void test_AI_CantBlockAgain() {
// Monte Carlo bug: Triggered ability triggered twice (should be once), see https://github.com/magefree/mage/issues/6367