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Added ConditionalCostModificationEffect to support cost modification effects with conditions (#5738)

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Oleg Agafonov 2019-05-01 19:53:54 +04:00
parent e6823e4423
commit 0aeab75552
2 changed files with 225 additions and 0 deletions
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Mage/src/main/java/mage/abilities/decorator/ConditionalCostModificationEffect.java Normal file
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package mage.abilities.decorator;
import mage.abilities.Ability;
import mage.abilities.condition.Condition;
import mage.abilities.effects.CostModificationEffect;
import mage.abilities.effects.common.cost.CostModificationEffectImpl;
import mage.constants.Duration;
import mage.game.Game;
/**
* @author JayDi85
*/
public class ConditionalCostModificationEffect extends CostModificationEffectImpl {
protected CostModificationEffect effect;
protected CostModificationEffect otherwiseEffect;
protected Condition condition;
protected boolean conditionState;
public ConditionalCostModificationEffect(CostModificationEffect effect, Condition condition, String text) {
this(effect, condition, null, text);
}
public ConditionalCostModificationEffect(CostModificationEffect effect, Condition condition, CostModificationEffect otherwiseEffect,
String text) {
super(effect.getDuration(), effect.getOutcome(), effect.getModificationType());
this.effect = effect;
this.condition = condition;
this.otherwiseEffect = otherwiseEffect;
if (text != null) {
this.setText(text);
}
}
public ConditionalCostModificationEffect(final ConditionalCostModificationEffect effect) {
super(effect);
this.effect = (CostModificationEffect) effect.effect.copy();
if (effect.otherwiseEffect != null) {
this.otherwiseEffect = (CostModificationEffect) effect.otherwiseEffect.copy();
}
this.condition = effect.condition;
this.conditionState = effect.conditionState;
}
@Override
public boolean isDiscarded() {
return effect.isDiscarded() || (otherwiseEffect != null && otherwiseEffect.isDiscarded());
}
@Override
public boolean apply(Game game, Ability source, Ability abilityToModify) {
conditionState = condition.apply(game, source);
if (conditionState) {
effect.setTargetPointer(this.targetPointer);
return effect.apply(game, source, abilityToModify);
} else if (otherwiseEffect != null) {
otherwiseEffect.setTargetPointer(this.targetPointer);
return otherwiseEffect.apply(game, source, abilityToModify);
}
if (!conditionState && effect.getDuration() == Duration.OneUse) {
used = true;
}
if (!conditionState && effect.getDuration() == Duration.Custom) {
this.discard();
}
return false;
}
@Override
public boolean applies(Ability abilityToModify, Ability source, Game game) {
conditionState = condition.apply(game, source);
if (conditionState) {
effect.setTargetPointer(this.targetPointer);
return effect.applies(abilityToModify, source, game);
} else if (otherwiseEffect != null) {
otherwiseEffect.setTargetPointer(this.targetPointer);
return otherwiseEffect.applies(abilityToModify, source, game);
}
return false;
}
@Override
public ConditionalCostModificationEffect copy() {
return new ConditionalCostModificationEffect(this);
}
}