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- Some refactoring in AiBlockController related to random trades.

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- Enabling random trades for favorable gang double and triple blocks.

git-svn-id: http://svn.slightlymagic.net/forge/trunk@35778 269b9781-a132-4a9b-9d4e-f004f1b56b58
This commit is contained in:
Agetian 2017-09-26 12:48:22 +00:00
parent ad6c9ea55e
commit 258c46868a
1 changed files with 81 additions and 74 deletions
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155
forge-ai/src/main/java/forge/ai/AiBlockController.java
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@ -415,7 +415,8 @@ public class AiBlockController {
&& !ComputerUtilCombat.dealsFirstStrikeDamage(c, false, combat)) { && !ComputerUtilCombat.dealsFirstStrikeDamage(c, false, combat)) {
return false; return false;
} }
return lifeInDanger || ComputerUtilCard.evaluateCreature(c) + diff < ComputerUtilCard.evaluateCreature(attacker); final boolean randomTrade = wouldLikeToRandomlyTrade(attacker, c, combat);
return lifeInDanger || ComputerUtilCard.evaluateCreature(c) + diff < ComputerUtilCard.evaluateCreature(attacker) || randomTrade;
} }
}); });
if (usableBlockers.size() < 2) { if (usableBlockers.size() < 2) {
@ -586,39 +587,6 @@ public class AiBlockController {
List<Card> currentAttackers = new ArrayList<>(attackersLeft); List<Card> currentAttackers = new ArrayList<>(attackersLeft);
List<Card> killingBlockers; List<Card> killingBlockers;
// Parameters related to randomly trading when blocking (need to be enabled in the AI profile)
boolean enableRandomTrades = false;
boolean randomTradeIfBehindOnBoard = false;
boolean randomTradeIfCreatInHand = false;
int chanceToTradeToSaveWalker = 0;
int chanceToTradeDownToSaveWalker = 0;
int minRandomTradeChance = 0;
int maxRandomTradeChance = 0;
int maxCreatDiff = 0;
int maxCreatDiffWithRepl = 0;
int aiCreatureCount = 0;
int oppCreatureCount = 0;
if (ai.getController().isAI()) {
AiController aic = ((PlayerControllerAi) ai.getController()).getAi();
enableRandomTrades = aic.getBooleanProperty(AiProps.ENABLE_RANDOM_FAVORABLE_TRADES_ON_BLOCK);
randomTradeIfBehindOnBoard = aic.getBooleanProperty(AiProps.RANDOMLY_TRADE_EVEN_WHEN_HAVE_LESS_CREATS);
randomTradeIfCreatInHand = aic.getBooleanProperty(AiProps.ALSO_TRADE_WHEN_HAVE_A_REPLACEMENT_CREAT);
minRandomTradeChance = aic.getIntProperty(AiProps.MIN_CHANCE_TO_RANDOMLY_TRADE_ON_BLOCK);
maxRandomTradeChance = aic.getIntProperty(AiProps.MAX_CHANCE_TO_RANDOMLY_TRADE_ON_BLOCK);
maxCreatDiff = aic.getIntProperty(AiProps.MAX_DIFF_IN_CREATURE_COUNT_TO_TRADE);
maxCreatDiffWithRepl = aic.getIntProperty(AiProps.MAX_DIFF_IN_CREATURE_COUNT_TO_TRADE_WITH_REPL);
chanceToTradeToSaveWalker = aic.getIntProperty(AiProps.CHANCE_TO_TRADE_TO_SAVE_PLANESWALKER);
chanceToTradeDownToSaveWalker = aic.getIntProperty(AiProps.CHANCE_TO_TRADE_DOWN_TO_SAVE_PLANESWALKER);
}
if (enableRandomTrades) {
aiCreatureCount = ComputerUtil.countUsefulCreatures(ai);
if (!attackersLeft.isEmpty()) {
oppCreatureCount = ComputerUtil.countUsefulCreatures(attackersLeft.get(0).getController());
}
}
for (final Card attacker : attackersLeft) { for (final Card attacker : attackersLeft) {
if (attacker.hasStartOfKeyword("CantBeBlockedByAmount LT") if (attacker.hasStartOfKeyword("CantBeBlockedByAmount LT")
@ -640,47 +608,9 @@ public class AiBlockController {
if (ComputerUtilCombat.lifeInDanger(ai, combat)) { if (ComputerUtilCombat.lifeInDanger(ai, combat)) {
// Always trade when life in danger // Always trade when life in danger
doTrade = true; doTrade = true;
} else if (enableRandomTrades) { } else {
// Randomly trade creatures with lower power and [hopefully] worse abilities, if enabled in profile // Randomly trade creatures with lower power and [hopefully] worse abilities, if enabled in profile
doTrade = wouldLikeToRandomlyTrade(attacker, blocker, combat);
if (attacker.getOwner().equals(ai) && "6".equals(attacker.getSVar("SacMe"))) {
// Temporarily controlled object - don't trade with it
// TODO: find a more reliable way to figure out that control will be reestablished next turn
continue;
}
int numSteps = ai.getStartingLife() - 5; // e.g. 15 steps between 5 life and 20 life
float chanceStep = (maxRandomTradeChance - minRandomTradeChance) / numSteps;
int chance = (int)Math.max(minRandomTradeChance, (maxRandomTradeChance - (Math.max(5, ai.getLife() - 5)) * chanceStep));
if (chance > maxRandomTradeChance) {
chance = maxRandomTradeChance;
}
int evalAtk = ComputerUtilCard.evaluateCreature(attacker, false, false);
int evalBlk = ComputerUtilCard.evaluateCreature(blocker, false, false);
if (blocker.isFaceDown() && blocker.getState(CardStateName.Original).getType().isCreature()) {
// if the blocker is a face-down creature (e.g. cast via Morph, Manifest), evaluate it
// in relation to the original state, not to the Morph state
evalBlk = ComputerUtilCard.evaluateCreature(Card.fromPaperCard(blocker.getPaperCard(), ai), false, true);
}
int chanceToSavePW = chanceToTradeDownToSaveWalker > 0 && evalAtk + 1 < evalBlk ? chanceToTradeDownToSaveWalker : chanceToTradeToSaveWalker;
boolean powerParityOrHigher = blocker.getNetPower() <= attacker.getNetPower();
boolean creatureParityOrAllowedDiff = aiCreatureCount
+ (randomTradeIfBehindOnBoard ? maxCreatDiff : 0) >= oppCreatureCount;
boolean wantToTradeWithCreatInHand = randomTradeIfCreatInHand
&& !CardLists.filter(ai.getCardsIn(ZoneType.Hand), CardPredicates.Presets.CREATURES).isEmpty()
&& aiCreatureCount + maxCreatDiffWithRepl >= oppCreatureCount;
boolean wantToSavePlaneswalker = MyRandom.percentTrue(chanceToSavePW)
&& combat.getDefenderByAttacker(attacker) instanceof Card
&& ((Card) combat.getDefenderByAttacker(attacker)).isPlaneswalker();
boolean wantToTradeDownToSavePW = chanceToTradeDownToSaveWalker > 0;
if (((evalBlk <= evalAtk + 1) || (wantToSavePlaneswalker && wantToTradeDownToSavePW)) // "1" accounts for tapped.
&& powerParityOrHigher
&& (creatureParityOrAllowedDiff || wantToTradeWithCreatInHand)
&& (MyRandom.percentTrue(chance) || wantToSavePlaneswalker)) {
doTrade = true;
}
} }
if (doTrade) { if (doTrade) {
@ -1297,4 +1227,81 @@ public class AiBlockController {
return first; return first;
} }
private boolean wouldLikeToRandomlyTrade(Card attacker, Card blocker, Combat combat) {
// Determines if the AI would like to randomly trade its blocker for the attacker in given combat
boolean enableRandomTrades = false;
boolean randomTradeIfBehindOnBoard = false;
boolean randomTradeIfCreatInHand = false;
int chanceToTradeToSaveWalker = 0;
int chanceToTradeDownToSaveWalker = 0;
int minRandomTradeChance = 0;
int maxRandomTradeChance = 0;
int maxCreatDiff = 0;
int maxCreatDiffWithRepl = 0;
int aiCreatureCount = 0;
int oppCreatureCount = 0;
if (ai.getController().isAI()) {
AiController aic = ((PlayerControllerAi) ai.getController()).getAi();
enableRandomTrades = aic.getBooleanProperty(AiProps.ENABLE_RANDOM_FAVORABLE_TRADES_ON_BLOCK);
randomTradeIfBehindOnBoard = aic.getBooleanProperty(AiProps.RANDOMLY_TRADE_EVEN_WHEN_HAVE_LESS_CREATS);
randomTradeIfCreatInHand = aic.getBooleanProperty(AiProps.ALSO_TRADE_WHEN_HAVE_A_REPLACEMENT_CREAT);
minRandomTradeChance = aic.getIntProperty(AiProps.MIN_CHANCE_TO_RANDOMLY_TRADE_ON_BLOCK);
maxRandomTradeChance = aic.getIntProperty(AiProps.MAX_CHANCE_TO_RANDOMLY_TRADE_ON_BLOCK);
maxCreatDiff = aic.getIntProperty(AiProps.MAX_DIFF_IN_CREATURE_COUNT_TO_TRADE);
maxCreatDiffWithRepl = aic.getIntProperty(AiProps.MAX_DIFF_IN_CREATURE_COUNT_TO_TRADE_WITH_REPL);
chanceToTradeToSaveWalker = aic.getIntProperty(AiProps.CHANCE_TO_TRADE_TO_SAVE_PLANESWALKER);
chanceToTradeDownToSaveWalker = aic.getIntProperty(AiProps.CHANCE_TO_TRADE_DOWN_TO_SAVE_PLANESWALKER);
}
if (!enableRandomTrades) {
return false;
}
aiCreatureCount = ComputerUtil.countUsefulCreatures(ai);
if (!attackersLeft.isEmpty()) {
oppCreatureCount = ComputerUtil.countUsefulCreatures(attackersLeft.get(0).getController());
}
if (attacker.getOwner().equals(ai) && "6".equals(attacker.getSVar("SacMe"))) {
// Temporarily controlled object - don't trade with it
// TODO: find a more reliable way to figure out that control will be reestablished next turn
return false;
}
int numSteps = ai.getStartingLife() - 5; // e.g. 15 steps between 5 life and 20 life
float chanceStep = (maxRandomTradeChance - minRandomTradeChance) / numSteps;
int chance = (int)Math.max(minRandomTradeChance, (maxRandomTradeChance - (Math.max(5, ai.getLife() - 5)) * chanceStep));
if (chance > maxRandomTradeChance) {
chance = maxRandomTradeChance;
}
int evalAtk = ComputerUtilCard.evaluateCreature(attacker, true, false);
int evalBlk = ComputerUtilCard.evaluateCreature(blocker, true, false);
if (blocker.isFaceDown() && blocker.getState(CardStateName.Original).getType().isCreature()) {
// if the blocker is a face-down creature (e.g. cast via Morph, Manifest), evaluate it
// in relation to the original state, not to the Morph state
evalBlk = ComputerUtilCard.evaluateCreature(Card.fromPaperCard(blocker.getPaperCard(), ai), false, true);
}
int chanceToSavePW = chanceToTradeDownToSaveWalker > 0 && evalAtk + 1 < evalBlk ? chanceToTradeDownToSaveWalker : chanceToTradeToSaveWalker;
boolean powerParityOrHigher = blocker.getNetPower() <= attacker.getNetPower();
boolean creatureParityOrAllowedDiff = aiCreatureCount
+ (randomTradeIfBehindOnBoard ? maxCreatDiff : 0) >= oppCreatureCount;
boolean wantToTradeWithCreatInHand = randomTradeIfCreatInHand
&& !CardLists.filter(ai.getCardsIn(ZoneType.Hand), CardPredicates.Presets.CREATURES).isEmpty()
&& aiCreatureCount + maxCreatDiffWithRepl >= oppCreatureCount;
boolean wantToSavePlaneswalker = MyRandom.percentTrue(chanceToSavePW)
&& combat.getDefenderByAttacker(attacker) instanceof Card
&& ((Card) combat.getDefenderByAttacker(attacker)).isPlaneswalker();
boolean wantToTradeDownToSavePW = chanceToTradeDownToSaveWalker > 0;
if (((evalBlk <= evalAtk + 1) || (wantToSavePlaneswalker && wantToTradeDownToSavePW)) // "1" accounts for tapped.
&& powerParityOrHigher
&& (creatureParityOrAllowedDiff || wantToTradeWithCreatInHand)
&& (MyRandom.percentTrue(chance) || wantToSavePlaneswalker)) {
return true;
}
return false;
}
} }