foul-magics/Mage/src/main/java/mage/abilities/mana/ManaOptions.java

645 lines
28 KiB
Java

package mage.abilities.mana;
import mage.Mana;
import mage.abilities.Ability;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.ManaEvent;
import mage.players.Player;
import org.apache.log4j.Logger;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import mage.ConditionalMana;
/**
* @author BetaSteward_at_googlemail.com
* <p>
* this class is used to build a list of all possible mana combinations it can
* be used to find all the ways to pay a mana cost or all the different mana
* combinations available to a player
* <p>
* TODO: Conditional Mana is not supported yet. The mana adding removes the
* condition of conditional mana
*/
public class ManaOptions extends ArrayList<Mana> {
private static final Logger logger = Logger.getLogger(ManaOptions.class);
public ManaOptions() {
}
public ManaOptions(final ManaOptions options) {
for (Mana mana : options) {
this.add(mana.copy());
}
}
public void addMana(List<ActivatedManaAbilityImpl> abilities, Game game) {
if (isEmpty()) {
this.add(new Mana());
}
if (!abilities.isEmpty()) {
if (abilities.size() == 1) {
//if there is only one mana option available add it to all the existing options
List<Mana> netManas = abilities.get(0).getNetMana(game);
if (netManas.size() == 1) {
checkManaReplacementAndTriggeredMana(abilities.get(0), game, netManas.get(0));
addMana(netManas.get(0));
addTriggeredMana(game, abilities.get(0));
} else if (netManas.size() > 1) {
addManaVariation(netManas, abilities.get(0), game);
}
} else { // mana source has more than 1 ability
//perform a union of all existing options and the new options
List<Mana> copy = copy();
this.clear();
for (ActivatedManaAbilityImpl ability : abilities) {
for (Mana netMana : ability.getNetMana(game)) {
checkManaReplacementAndTriggeredMana(ability, game, netMana);
for (Mana triggeredManaVariation : getTriggeredManaVariations(game, ability, netMana)) {
SkipAddMana:
for (Mana mana : copy) {
Mana newMana = new Mana();
newMana.add(mana);
newMana.add(triggeredManaVariation);
for (Mana existingMana : this) {
if (existingMana.equalManaValue(newMana)) {
continue SkipAddMana;
}
Mana moreValuable = Mana.getMoreValuableMana(newMana, existingMana);
if (moreValuable != null) {
// only keep the more valuable mana
existingMana.setToMana(moreValuable);
continue SkipAddMana;
}
}
this.add(newMana);
}
}
}
}
}
}
forceManaDeduplication();
}
private void addManaVariation(List<Mana> netManas, ActivatedManaAbilityImpl ability, Game game) {
List<Mana> copy = copy();
this.clear();
for (Mana netMana : netManas) {
for (Mana mana : copy) {
if (!ability.hasTapCost() || checkManaReplacementAndTriggeredMana(ability, game, netMana)) {
Mana newMana = new Mana();
newMana.add(mana);
newMana.add(netMana);
this.add(newMana);
}
}
}
forceManaDeduplication();
}
private static List<List<Mana>> getSimulatedTriggeredManaFromPlayer(Game game, Ability ability) {
Player player = game.getPlayer(ability.getControllerId());
List<List<Mana>> newList = new ArrayList<>();
if (player != null) {
newList.addAll(player.getAvailableTriggeredMana());
player.getAvailableTriggeredMana().clear();
}
return newList;
}
/**
* Generates triggered mana and checks replacement of Tapped_For_Mana event.
* Also generates triggered mana for MANA_ADDED event.
*
* @param ability
* @param game
* @param mana
* @return false if mana production was completely replaced
*/
private boolean checkManaReplacementAndTriggeredMana(Ability ability, Game game, Mana mana) {
if (ability.hasTapCost()) {
ManaEvent event = new ManaEvent(GameEvent.EventType.TAPPED_FOR_MANA, ability.getSourceId(), ability, ability.getControllerId(), mana);
if (game.replaceEvent(event)) {
return false;
}
game.fireEvent(event);
}
ManaEvent manaEvent = new ManaEvent(GameEvent.EventType.MANA_ADDED, ability.getSourceId(), ability, ability.getControllerId(), mana);
manaEvent.setData(mana.toString());
game.fireEvent(manaEvent);
return true;
}
/**
* This adds the mana the abilities can produce to the possible mana
* variabtion.
*
* @param abilities
* @param game
* @return false if the costs could not be paid
*/
public boolean addManaWithCost(List<ActivatedManaAbilityImpl> abilities, Game game) {
boolean wasUsable = false;
int replaces = 0;
if (isEmpty()) {
this.add(new Mana()); // needed if this is the first available mana, otherwise looping over existing options woold not loop
}
if (!abilities.isEmpty()) {
if (abilities.size() == 1) {
List<Mana> netManas = abilities.get(0).getNetMana(game);
if (netManas.size() > 0) { // ability can produce mana
ActivatedManaAbilityImpl ability = abilities.get(0);
// The ability has no mana costs
if (ability.getManaCosts().isEmpty()) { // No mana costs, so no mana to subtract from available
if (netManas.size() == 1) {
checkManaReplacementAndTriggeredMana(ability, game, netManas.get(0));
addMana(netManas.get(0));
addTriggeredMana(game, ability);
} else {
List<Mana> copy = copy();
this.clear();
for (Mana netMana : netManas) {
checkManaReplacementAndTriggeredMana(ability, game, netMana);
for (Mana triggeredManaVariation : getTriggeredManaVariations(game, ability, netMana)) {
for (Mana mana : copy) {
Mana newMana = new Mana();
newMana.add(mana);
newMana.add(triggeredManaVariation);
this.add(newMana);
wasUsable = true;
}
}
}
}
} else {// The ability has mana costs
List<Mana> copy = copy();
this.clear();
for (Mana netMana : netManas) {
checkManaReplacementAndTriggeredMana(ability, game, netMana);
for (Mana triggeredManaVariation : getTriggeredManaVariations(game, ability, netMana)) {
for (Mana prevMana : copy) {
Mana startingMana = prevMana.copy();
Mana manaCosts = ability.getManaCosts().getMana();
if (startingMana.includesMana(manaCosts)) { // can pay the mana costs to use the ability
if (!subtractCostAddMana(manaCosts, triggeredManaVariation, ability.getCosts().isEmpty(), startingMana, ability, game)) {
// the starting mana includes mana parts that the increased mana does not include, so add starting mana also as an option
add(prevMana);
}
wasUsable = true;
} else {
// mana costs can't be paid so keep starting mana
add(prevMana);
}
}
}
}
}
}
} else {
//perform a union of all existing options and the new options
List<Mana> copy = copy();
this.clear();
for (ActivatedManaAbilityImpl ability : abilities) {
List<Mana> netManas = ability.getNetMana(game);
if (ability.getManaCosts().isEmpty()) {
for (Mana netMana : netManas) {
checkManaReplacementAndTriggeredMana(ability, game, netMana);
for (Mana triggeredManaVariation : getTriggeredManaVariations(game, ability, netMana)) {
for (Mana mana : copy) {
Mana newMana = new Mana();
newMana.add(mana);
newMana.add(triggeredManaVariation);
this.add(newMana);
wasUsable = true;
}
}
}
} else {
for (Mana netMana : netManas) {
checkManaReplacementAndTriggeredMana(ability, game, netMana);
for (Mana triggeredManaVariation : getTriggeredManaVariations(game, ability, netMana)) {
for (Mana previousMana : copy) {
CombineWithExisting:
for (Mana manaOption : ability.getManaCosts().getManaOptions()) {
if (previousMana.includesMana(manaOption)) { // costs can be paid
wasUsable |= subtractCostAddMana(manaOption, triggeredManaVariation, ability.getCosts().isEmpty(), previousMana, ability, game);
}
}
}
}
}
}
}
}
}
if (this.size() > 30 || replaces > 30) {
logger.trace("ManaOptionsCosts " + this.size() + " Ign:" + replaces + " => " + this.toString());
logger.trace("Abilities: " + abilities.toString());
}
forceManaDeduplication();
return wasUsable;
}
public boolean addManaPoolDependant(List<ActivatedManaAbilityImpl> abilities, Game game) {
boolean wasUsable = false;
if (!abilities.isEmpty()) {
if (abilities.size() == 1) {
ActivatedManaAbilityImpl ability = (ActivatedManaAbilityImpl) abilities.get(0);
List<Mana> copy = copy();
this.clear();
for (Mana previousMana : copy) {
Mana startingMana = previousMana.copy();
Mana manaCosts = ability.getManaCosts().getMana();
if (startingMana.includesMana(manaCosts)) { // can pay the mana costs to use the ability
for (Mana manaOption : ability.getManaCosts().getManaOptions()) {
if (!subtractCostAddMana(manaOption, null, ability.getCosts().isEmpty(), startingMana, ability, game)) {
// the starting mana includes mana parts that the increased mana does not include, so add starting mana also as an option
add(previousMana);
}
}
wasUsable = true;
} else {
// mana costs can't be paid so keep starting mana
add(previousMana);
}
}
}
}
return wasUsable;
}
public static List<Mana> getTriggeredManaVariations(Game game, Ability ability, Mana baseMana) {
List<Mana> baseManaPlusTriggeredMana = new ArrayList<>();
baseManaPlusTriggeredMana.add(baseMana);
List<List<Mana>> availableTriggeredManaList = ManaOptions.getSimulatedTriggeredManaFromPlayer(game, ability);
for (List<Mana> availableTriggeredMana : availableTriggeredManaList) {
if (availableTriggeredMana.size() == 1) {
for (Mana prevMana : baseManaPlusTriggeredMana) {
prevMana.add(availableTriggeredMana.get(0));
}
} else if (availableTriggeredMana.size() > 1) {
List<Mana> copy = new ArrayList<>(baseManaPlusTriggeredMana);
baseManaPlusTriggeredMana.clear();
for (Mana triggeredMana : availableTriggeredMana) {
for (Mana prevMana : copy) {
Mana newMana = new Mana();
newMana.add(prevMana);
newMana.add(triggeredMana);
baseManaPlusTriggeredMana.add(newMana);
}
}
}
}
return baseManaPlusTriggeredMana;
}
private void addTriggeredMana(Game game, Ability ability) {
List<List<Mana>> netManaList = getSimulatedTriggeredManaFromPlayer(game, ability);
for (List<Mana> triggeredNetMana : netManaList) {
if (triggeredNetMana.size() == 1) {
addMana(triggeredNetMana.get(0));
} else if (triggeredNetMana.size() > 1) {
// Add variations
List<Mana> copy = copy();
this.clear();
for (Mana triggeredMana : triggeredNetMana) {
for (Mana mana : copy) {
Mana newMana = new Mana();
newMana.add(mana);
newMana.add(triggeredMana);
this.add(newMana);
}
}
}
}
forceManaDeduplication();
}
/**
* Adds the given mana value to all existing options
*
* @param addMana Mana to add to the existing options
*/
public void addMana(Mana addMana) {
if (isEmpty()) {
this.add(new Mana());
}
if (addMana instanceof ConditionalMana) {
ManaOptions copy = this.copy();
this.clear();
for (Mana mana : copy) {
ConditionalMana condMana = ((ConditionalMana) addMana).copy();
condMana.add(mana);
add(condMana); // Add mana as option with condition
add(mana); // Add old mana without the condition
}
} else {
for (Mana mana : this) {
mana.add(addMana);
}
}
forceManaDeduplication();
}
public void addMana(ManaOptions options) {
if (isEmpty()) {
this.add(new Mana());
}
if (!options.isEmpty()) {
if (options.size() == 1) {
//if there is only one mana option available add it to all the existing options
addMana(options.get(0));
} else {
//perform a union of all existing options and the new options
List<Mana> copy = copy();
this.clear();
for (Mana addMana : options) {
for (Mana mana : copy) {
Mana newMana = new Mana();
newMana.add(mana);
newMana.add(addMana);
this.add(newMana);
}
}
}
}
forceManaDeduplication();
}
private void forceManaDeduplication() {
// memory overflow protection - force de-duplication on too much mana sources
// bug example: https://github.com/magefree/mage/issues/6938
// use it after new mana adding
if (this.size() > 1000) {
this.removeDuplicated();
}
}
public ManaOptions copy() {
return new ManaOptions(this);
}
/**
* Performs the simulation of a mana ability with costs
*
* @param cost cost to use the ability
* @param manaToAdd one mana variation that can be added by using
* this ability
* @param onlyManaCosts flag to know if the costs are mana costs only
* @param currentMana the mana available before the usage of the
* ability
* @param oldManaWasReplaced returns the info if the new complete mana does
* replace the current mana completely
*/
private boolean subtractCostAddMana(Mana cost, Mana manaToAdd, boolean onlyManaCosts, Mana currentMana, ManaAbility manaAbility, Game game) {
boolean oldManaWasReplaced = false; // true if the newly created mana includes all mana possibilities of the old
boolean repeatable = false;
if (manaToAdd != null && (manaToAdd.countColored() > 0 || manaToAdd.getAny() > 0) && manaToAdd.count() > 0 && onlyManaCosts) {
repeatable = true; // only replace to any with mana costs only will be repeated if able
}
for (Mana payCombination : ManaOptions.getPossiblePayCombinations(cost, currentMana)) {
Mana currentManaCopy = currentMana.copy(); // copy start mana because in iteration it will be updated
while (currentManaCopy.includesMana(payCombination)) { // loop for multiple usage if possible
boolean newCombinations = false;
if (manaToAdd == null) {
Mana newMana = currentManaCopy.copy();
newMana.subtract(payCombination);
for (Mana mana : manaAbility.getNetMana(game, newMana)) { // get the mana to add from the ability related to the currently generated possible mana pool
newMana.add(mana);
if (!isExistingManaCombination(newMana)) {
this.add(newMana); // add the new combination
newCombinations = true; // repeat the while as long there are new combinations and usage is repeatable
Mana moreValuable = Mana.getMoreValuableMana(currentManaCopy, newMana);
if (newMana.equals(moreValuable)) {
oldManaWasReplaced = true; // the new mana includes all possibilities of the old one, so no need to add it after return
if (!currentMana.equalManaValue(currentManaCopy)) {
this.removeEqualMana(currentManaCopy);
}
}
currentManaCopy = newMana.copy();
}
}
} else {
Mana newMana = currentManaCopy.copy();
newMana.subtract(payCombination);
newMana.add(manaToAdd);
if (!isExistingManaCombination(newMana)) {
this.add(newMana); // add the new combination
newCombinations = true; // repeat the while as long there are new combinations and usage is repeatable
Mana moreValuable = Mana.getMoreValuableMana(currentManaCopy, newMana);
if (newMana.equals(moreValuable)) {
oldManaWasReplaced = true; // the new mana includes all possible mana of the old one, so no need to add it after return
if (!currentMana.equalManaValue(currentManaCopy)) {
this.removeEqualMana(currentManaCopy);
}
}
currentManaCopy = newMana.copy();
}
}
if (!newCombinations || !repeatable) {
break;
}
}
}
forceManaDeduplication();
return oldManaWasReplaced;
}
/**
* @param number of generic mana
* @param manaAvailable
* @return
*/
public static List<Mana> getPossiblePayCombinations(Mana manaCost, Mana manaAvailable) {
List<Mana> payCombinations = new ArrayList<>();
List<String> payCombinationsStrings = new ArrayList<>();
// handle fixed mana costs
Mana fixedMana = manaCost.copy();
if (manaCost.getGeneric() == 0) {
payCombinations.add(fixedMana);
return payCombinations;
}
fixedMana.setGeneric(0);
Mana manaAfterFixedPayment = manaAvailable.copy();
manaAfterFixedPayment.subtract(fixedMana);
// handle generic mana costs
if (manaAvailable.countColored() > 0) {
for (int i = 0; i < manaCost.getGeneric(); i++) {
List<Mana> existingManas = new ArrayList<>();
if (i > 0) {
existingManas.addAll(payCombinations);
payCombinations.clear();
payCombinationsStrings.clear();
} else {
existingManas.add(new Mana());
}
for (Mana existingMana : existingManas) {
Mana manaToPayFrom = manaAfterFixedPayment.copy();
manaToPayFrom.subtract(existingMana);
if (manaToPayFrom.getBlack() > 0 && !payCombinationsStrings.contains(existingMana.toString() + Mana.BlackMana(1).toString())) {
manaToPayFrom.subtract(Mana.BlackMana(1));
ManaOptions.addManaCombination(Mana.BlackMana(1), existingMana, payCombinations, payCombinationsStrings);
}
if (manaToPayFrom.getBlue() > 0 && !payCombinationsStrings.contains(existingMana.toString() + Mana.BlueMana(1).toString())) {
manaToPayFrom.subtract(Mana.BlueMana(1));
ManaOptions.addManaCombination(Mana.BlueMana(1), existingMana, payCombinations, payCombinationsStrings);
}
if (manaToPayFrom.getGreen() > 0 && !payCombinationsStrings.contains(existingMana.toString() + Mana.GreenMana(1).toString())) {
manaToPayFrom.subtract(Mana.GreenMana(1));
ManaOptions.addManaCombination(Mana.GreenMana(1), existingMana, payCombinations, payCombinationsStrings);
}
if (manaToPayFrom.getRed() > 0 && !payCombinationsStrings.contains(existingMana.toString() + Mana.RedMana(1).toString())) {
manaToPayFrom.subtract(Mana.RedMana(1));
ManaOptions.addManaCombination(Mana.RedMana(1), existingMana, payCombinations, payCombinationsStrings);
}
if (manaToPayFrom.getWhite() > 0 && !payCombinationsStrings.contains(existingMana.toString() + Mana.WhiteMana(1).toString())) {
manaToPayFrom.subtract(Mana.WhiteMana(1));
ManaOptions.addManaCombination(Mana.WhiteMana(1), existingMana, payCombinations, payCombinationsStrings);
}
if (manaToPayFrom.getColorless() > 0 && !payCombinationsStrings.contains(existingMana.toString() + Mana.ColorlessMana(1).toString())) {
manaToPayFrom.subtract(Mana.ColorlessMana(1));
ManaOptions.addManaCombination(Mana.ColorlessMana(1), existingMana, payCombinations, payCombinationsStrings);
}
// Pay with any only needed if colored payment was not possible
if (payCombinations.isEmpty() && manaToPayFrom.getAny() > 0 && !payCombinationsStrings.contains(existingMana.toString() + Mana.AnyMana(1).toString())) {
manaToPayFrom.subtract(Mana.AnyMana(1));
ManaOptions.addManaCombination(Mana.AnyMana(1), existingMana, payCombinations, payCombinationsStrings);
}
}
}
} else {
payCombinations.add(Mana.ColorlessMana(manaCost.getGeneric()));
}
for (Mana mana : payCombinations) {
mana.add(fixedMana);
}
return payCombinations;
}
private boolean isExistingManaCombination(Mana newMana) {
for (Mana mana : this) {
Mana moreValuable = Mana.getMoreValuableMana(mana, newMana);
if (mana.equals(moreValuable)) {
return true;
}
}
return false;
}
public boolean removeEqualMana(Mana manaToRemove) {
boolean result = false;
for (Iterator<Mana> iterator = this.iterator(); iterator.hasNext();) {
Mana next = iterator.next();
if (next.equalManaValue(manaToRemove)) {
iterator.remove();
result = true;
}
}
return result;
}
public static void addManaCombination(Mana mana, Mana existingMana, List<Mana> payCombinations, List<String> payCombinationsStrings) {
Mana newMana = existingMana.copy();
newMana.add(mana);
payCombinations.add(newMana);
payCombinationsStrings.add(newMana.toString());
}
public void removeDuplicated() {
Set<String> list = new HashSet<>();
for (int i = this.size() - 1; i >= 0; i--) {
String s;
if (this.get(i) instanceof ConditionalMana) {
s = this.get(i).toString() + ((ConditionalMana) this.get(i)).getConditionString();
} else {
s = this.get(i).toString();
}
if (s.isEmpty()) {
this.remove(i);
} else if (list.contains(s)) {
// remove duplicated
this.remove(i);
} else {
list.add(s);
}
}
// Remove fully included variations
// TODO: research too many manas and freeze (put 1 card to slow down, put 3 cards to freeze here)
// battlefield:Human:Cascading Cataracts:1
for (int i = this.size() - 1; i >= 0; i--) {
for (int ii = 0; ii < i; ii++) {
Mana moreValuable = Mana.getMoreValuableMana(this.get(i), this.get(ii));
if (moreValuable != null) {
this.get(ii).setToMana(moreValuable);
this.remove(i);
break;
}
}
}
}
/**
* Checks if the given mana (cost) is already included in one available mana
* option
*
* @param mana
* @return
*/
public boolean enough(Mana mana) {
for (Mana avail : this) {
if (mana.enough(avail)) {
return true;
}
}
return false;
}
@Override
public String toString() {
Iterator<Mana> it = this.iterator();
if (!it.hasNext()) {
return "[]";
}
StringBuilder sb = new StringBuilder();
sb.append('[');
for (;;) {
Mana mana = it.next();
sb.append(mana.toString());
if (mana instanceof ConditionalMana) {
sb.append(((ConditionalMana) mana).getConditionString());
}
if (!it.hasNext()) {
return sb.append(']').toString();
}
sb.append(',').append(' ');
}
}
}