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Merge branch 'ai-buyback' into 'master'

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Various AI updates and fixes + rewritten enhanced Buyback logic

See merge request core-developers/forge!1168
This commit is contained in:
Michael Kamensky
2018-12-04 13:22:26 +00:00
parent 160a5a475b 1d7188b8f5
commit f3ff793029
8 changed files with 93 additions and 11 deletions
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69
forge-ai/src/main/java/forge/ai/AiController.java
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@@ -51,6 +51,7 @@ import forge.game.player.PlayerActionConfirmMode;
import forge.game.replacement.ReplaceMoved;
import forge.game.replacement.ReplacementEffect;
import forge.game.spellability.*;
import forge.game.staticability.StaticAbility;
import forge.game.trigger.Trigger;
import forge.game.trigger.TriggerType;
import forge.game.trigger.WrappedAbility;
@@ -670,7 +671,7 @@ public class AiController {
// This is for playing spells regularly (no Cascade/Ripple etc.)
private AiPlayDecision canPlayAndPayFor(final SpellAbility sa) {
boolean xCost = sa.getPayCosts().hasXInAnyCostPart(sa);
boolean xCost = sa.getPayCosts().hasXInAnyCostPart();
if (!xCost && !ComputerUtilCost.canPayCost(sa, player)) {
// for most costs, it's OK to check if they can be paid early in order to avoid running a heavy API check
@@ -707,6 +708,13 @@ public class AiController {
return canPlaySa(((WrappedAbility) sa).getWrappedAbility());
}
// Trying to play a card that has Buyback without a Buyback cost, look for possible additional considerations
if (getBooleanProperty(AiProps.TRY_TO_PRESERVE_BUYBACK_SPELLS)) {
if (card.hasKeyword(Keyword.BUYBACK) && !sa.isBuyBackAbility() && !canPlaySpellWithoutBuyback(card, sa)) {
return AiPlayDecision.NeedsToPlayCriteriaNotMet;
}
}
// When processing a new SA, clear the previously remembered cards that have been marked to avoid re-entry
// which might potentially cause a stack overflow.
AiCardMemory.clearMemorySet(this, AiCardMemory.MemorySet.MARKED_TO_AVOID_REENTRY);
@@ -801,10 +809,69 @@ public class AiController {
if ("True".equals(card.getSVar("NonStackingEffect")) && isNonDisabledCardInPlay(card.getName())) {
return AiPlayDecision.NeedsToPlayCriteriaNotMet;
}
// add any other necessary logic to play a basic spell here
return ComputerUtilCard.checkNeedsToPlayReqs(card, sa);
}
private boolean canPlaySpellWithoutBuyback(Card card, SpellAbility sa) {
boolean wasteBuybackAllowed = false;
// About to lose game : allow
if (ComputerUtil.aiLifeInDanger(player, true, 0)) {
wasteBuybackAllowed = true;
}
int copies = CardLists.filter(player.getCardsIn(ZoneType.Hand), CardPredicates.nameEquals(card.getName())).size();
// Have two copies : allow
if (copies >= 2) {
wasteBuybackAllowed = true;
}
int neededMana = 0;
boolean dangerousRecurringCost = false;
for (SpellAbility sa2 : GameActionUtil.getOptionalCosts(sa)) {
if (sa2.isOptionalCostPaid(OptionalCost.Buyback)) {
Cost sac = sa2.getPayCosts();
CostAdjustment.adjust(sac, sa2);
if (sac.getCostMana() != null) {
neededMana = sac.getCostMana().getMana().getCMC();
}
if (sac.hasSpecificCostType(CostPayLife.class)
|| sac.hasSpecificCostType(CostDiscard.class)
|| sac.hasSpecificCostType(CostSacrifice.class)) {
dangerousRecurringCost = true;
}
}
}
// won't be able to afford buyback any time soon
// if Buyback cost includes sacrifice, life, discard
if (dangerousRecurringCost) {
wasteBuybackAllowed = true;
}
// Memory Crystal-like effects need special handling
for (Card c : game.getCardsIn(ZoneType.Battlefield)) {
for (StaticAbility s : c.getStaticAbilities()) {
if ("ReduceCost".equals(s.getParam("Mode"))
&& "Spell.Buyback".equals(s.getParam("ValidSpell"))) {
neededMana -= AbilityUtils.calculateAmount(c, s.getParam("Amount"), s);
}
}
}
if (neededMana < 0) {
neededMana = 0;
}
int hasMana = ComputerUtilMana.getAvailableManaEstimate(player, false);
if (hasMana < neededMana - 1) {
wasteBuybackAllowed = true;
}
return wasteBuybackAllowed;
}
// not sure "playing biggest spell" matters?
private final static Comparator<SpellAbility> saComparator = new Comparator<SpellAbility>() {
@Override

1
forge-ai/src/main/java/forge/ai/AiProps.java
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@@ -58,6 +58,7 @@ public enum AiProps { /** */
THRESHOLD_TOKEN_CHUMP_TO_SAVE_PLANESWALKER ("135"), /** */
THRESHOLD_NONTOKEN_CHUMP_TO_SAVE_PLANESWALKER ("110"), /** */
CHUMP_TO_SAVE_PLANESWALKER_ONLY_ON_LETHAL ("true"), /** */
TRY_TO_PRESERVE_BUYBACK_SPELLS ("true"), /** */
MIN_SPELL_CMC_TO_COUNTER ("0"), /** */
CHANCE_TO_COUNTER_CMC_1 ("50"), /** */
CHANCE_TO_COUNTER_CMC_2 ("75"), /** */

6
forge-game/src/main/java/forge/game/cost/Cost.java
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@@ -935,10 +935,9 @@ public class Cost implements Serializable {
return true;
}
public boolean hasXInAnyCostPart(SpellAbility sa) {
public boolean hasXInAnyCostPart() {
boolean xCost = false;
if (sa.getPayCosts() != null) {
for (CostPart p : sa.getPayCosts().getCostParts()) {
for (CostPart p : this.getCostParts()) {
if (p instanceof CostPartMana) {
if (((CostPartMana) p).getAmountOfX() > 0) {
xCost = true;
@@ -949,7 +948,6 @@ public class Cost implements Serializable {
break;
}
}
}
return xCost;
}

4
forge-gui/res/ai/Cautious.ai
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@@ -244,6 +244,10 @@ BOUNCE_ALL_ELSEWHERE_NONCREAT_EVAL_DIFF=3
# library to put some into the graveyard.
INTUITION_ALTERNATIVE_LOGIC=true
# If enabled, the AI will run some additional checks in order to try to preserve spells that have Buyback and not
# use them unless absolutely necessary (or unless multiple copies are in hand).
TRY_TO_PRESERVE_BUYBACK_SPELLS=true
# How big of a difference is allowed between the revealed card CMC and the currently castable CMC to still put the
# card on top of the library
EXPLORE_MAX_CMC_DIFF_TO_PUT_IN_GRAVEYARD=2

4
forge-gui/res/ai/Default.ai
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@@ -245,6 +245,10 @@ BOUNCE_ALL_ELSEWHERE_NONCREAT_EVAL_DIFF=3
# library to put some into the graveyard.
INTUITION_ALTERNATIVE_LOGIC=true
# If enabled, the AI will run some additional checks in order to try to preserve spells that have Buyback and not
# use them unless absolutely necessary (or unless multiple copies are in hand).
TRY_TO_PRESERVE_BUYBACK_SPELLS=true
# How big of a difference is allowed between the revealed card CMC and the currently castable CMC to still put the
# card on top of the library
EXPLORE_MAX_CMC_DIFF_TO_PUT_IN_GRAVEYARD=2

4
forge-gui/res/ai/Experimental.ai
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@@ -245,6 +245,10 @@ BOUNCE_ALL_ELSEWHERE_NONCREAT_EVAL_DIFF=5
# library to put some into the graveyard.
INTUITION_ALTERNATIVE_LOGIC=true
# If enabled, the AI will run some additional checks in order to try to preserve spells that have Buyback and not
# use them unless absolutely necessary (or unless multiple copies are in hand).
TRY_TO_PRESERVE_BUYBACK_SPELLS=true
# How big of a difference is allowed between the revealed card CMC and the currently castable CMC to still put the
# card on top of the library
EXPLORE_MAX_CMC_DIFF_TO_PUT_IN_GRAVEYARD=2

4
forge-gui/res/ai/Reckless.ai
View File

@@ -245,6 +245,10 @@ BOUNCE_ALL_ELSEWHERE_NONCREAT_EVAL_DIFF=3
# library to put some into the graveyard.
INTUITION_ALTERNATIVE_LOGIC=true
# If enabled, the AI will run some additional checks in order to try to preserve spells that have Buyback and not
# use them unless absolutely necessary (or unless multiple copies are in hand).
TRY_TO_PRESERVE_BUYBACK_SPELLS=false
# How big of a difference is allowed between the revealed card CMC and the currently castable CMC to still put the
# card on top of the library
EXPLORE_MAX_CMC_DIFF_TO_PUT_IN_GRAVEYARD=1