Implement Thick-Skinned Goblin

Mage.Sets/src/mage/cards/t/ThickSkinnedGoblin.java

@@ -0,0 +1,76 @@
+package mage.cards.t;
+
+import mage.MageInt;
+import mage.ObjectColor;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.*;
+import mage.abilities.effects.common.continuous.GainAbilitySourceEffect;
+import mage.abilities.keyword.ProtectionAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+
+import java.util.UUID;
+
+/**
+ * @author noahg
+ */
+public final class ThickSkinnedGoblin extends CardImpl {
+
+    public ThickSkinnedGoblin(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{1}{R}");
+
+        this.subtype.add(SubType.GOBLIN);
+        this.subtype.add(SubType.SHAMAN);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(1);
+
+        // You may pay {0} rather than pay the echo cost for permanents you control.
+        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new ThickSkinnedGoblinCostModificationEffect()));
+
+        // {R}: Thick-Skinned Goblin gains protection from red until end of turn.
+        this.addAbility(new SimpleActivatedAbility(new GainAbilitySourceEffect(ProtectionAbility.from(ObjectColor.RED), Duration.EndOfTurn), new ManaCostsImpl("{R}")));
+    }
+
+    public ThickSkinnedGoblin(final ThickSkinnedGoblin card) {
+        super(card);
+    }
+
+    @Override
+    public ThickSkinnedGoblin copy() {
+        return new ThickSkinnedGoblin(this);
+    }
+}
+
+class ThickSkinnedGoblinCostModificationEffect extends AsThoughEffectImpl {
+
+    public ThickSkinnedGoblinCostModificationEffect(){
+        super(AsThoughEffectType.PAY_0_ECHO, Duration.WhileOnBattlefield, Outcome.Benefit);
+        this.staticText = "You may pay {0} rather than pay the echo cost for permanents you control.";
+    }
+
+    public ThickSkinnedGoblinCostModificationEffect(ThickSkinnedGoblinCostModificationEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean applies(UUID sourceId, Ability source, UUID affectedControllerId, Game game) {
+        Permanent sourcePermanent = game.getPermanent(sourceId);
+        return sourcePermanent != null && sourcePermanent.isControlledBy(source.getControllerId());
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return true;
+    }
+
+    @Override
+    public ThickSkinnedGoblinCostModificationEffect copy() {
+        return new ThickSkinnedGoblinCostModificationEffect(this);
+    }
+}

Mage.Sets/src/mage/sets/TimeSpiral.java

@@ -283,6 +283,7 @@ public final class TimeSpiral extends ExpansionSet {
         cards.add(new SetCardInfo("Thallid Shell-Dweller", 226, Rarity.COMMON, mage.cards.t.ThallidShellDweller.class));
         cards.add(new SetCardInfo("Thelonite Hermit", 228, Rarity.RARE, mage.cards.t.TheloniteHermit.class));
         cards.add(new SetCardInfo("Thelon of Havenwood", 227, Rarity.RARE, mage.cards.t.ThelonOfHavenwood.class));
+        cards.add(new SetCardInfo("Thick-Skinned Goblin", 182, Rarity.UNCOMMON, mage.cards.t.ThickSkinnedGoblin.class));
         cards.add(new SetCardInfo("Think Twice", 86, Rarity.COMMON, mage.cards.t.ThinkTwice.class));
         cards.add(new SetCardInfo("Thrill of the Hunt", 229, Rarity.COMMON, mage.cards.t.ThrillOfTheHunt.class));
         cards.add(new SetCardInfo("Thunder Totem", 265, Rarity.UNCOMMON, mage.cards.t.ThunderTotem.class));

Mage/src/main/java/mage/abilities/effects/keyword/EchoEffect.java

@@ -0,0 +1,94 @@
+package mage.abilities.effects.keyword;
+
+import mage.abilities.Ability;
+import mage.abilities.Mode;
+import mage.abilities.costs.Cost;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.effects.OneShotEffect;
+import mage.constants.AsThoughEffectType;
+import mage.constants.Outcome;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+
+import java.util.Locale;
+
+public class EchoEffect extends OneShotEffect {
+
+    protected Cost cost;
+    protected DynamicValue amount;
+
+    public EchoEffect(Cost costs) {
+        super(Outcome.Sacrifice);
+        this.cost = costs;
+        this.amount = null;
+    }
+
+    public EchoEffect(DynamicValue amount) {
+        super(Outcome.Sacrifice);
+        this.amount = amount;
+        this.cost = null;
+    }
+
+    public EchoEffect(final EchoEffect effect) {
+        super(effect);
+        this.cost = effect.cost;
+        this.amount = effect.amount;
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        if (cost == null) {
+            cost = new ManaCostsImpl(Integer.toString(amount.calculate(game, source, this)));
+        }
+        Player controller = game.getPlayer(source.getControllerId());
+        if (controller != null
+                && source.getSourceObjectIfItStillExists(game) != null) {
+            if (game.getContinuousEffects().asThough(source.getSourceId(), AsThoughEffectType.PAY_0_ECHO, source, source.getControllerId(), game) != null) {
+                Cost altCost = new ManaCostsImpl("{0}");
+                if (controller.chooseUse(Outcome.Benefit, "Pay {0} instead of the echo cost?", source, game)) {
+                    altCost.clearPaid();
+                    if (altCost.pay(source, game, source.getSourceId(), source.getControllerId(), false, null)) {
+                        game.fireEvent(GameEvent.getEvent(GameEvent.EventType.ECHO_PAID, source.getSourceId(), source.getSourceId(), source.getControllerId()));
+                        return true;
+                    }
+                }
+            }
+            if (controller.chooseUse(Outcome.Benefit, "Pay " + cost.getText() + '?', source, game)) {
+                cost.clearPaid();
+                if (cost.pay(source, game, source.getSourceId(), source.getControllerId(), false, null)) {
+                    game.fireEvent(GameEvent.getEvent(GameEvent.EventType.ECHO_PAID, source.getSourceId(), source.getSourceId(), source.getControllerId()));
+                    return true;
+                }
+            }
+            Permanent permanent = game.getPermanent(source.getSourceId());
+            if (permanent != null) {
+                permanent.sacrifice(source.getSourceId(), game);
+            }
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public EchoEffect copy() {
+        return new EchoEffect(this);
+    }
+
+    @Override
+    public String getText(Mode mode) {
+        StringBuilder sb = new StringBuilder("sacrifice {this} unless you ");
+        String costText = cost.getText();
+        if (costText.toLowerCase(Locale.ENGLISH).startsWith("discard")) {
+            sb.append(costText.substring(0, 1).toLowerCase(Locale.ENGLISH));
+            sb.append(costText.substring(1));
+        } else {
+            sb.append("pay ").append(costText);
+        }
+
+        return sb.toString();
+
+    }
+}

Mage/src/main/java/mage/abilities/keyword/EchoAbility.java

@@ -1,23 +1,18 @@
 
 package mage.abilities.keyword;
 
-import java.util.Locale;
-import java.util.UUID;
-import mage.abilities.Ability;
-import mage.abilities.Mode;
 import mage.abilities.TriggeredAbilityImpl;
 import mage.abilities.costs.Cost;
 import mage.abilities.costs.Costs;
 import mage.abilities.costs.CostsImpl;
 import mage.abilities.costs.mana.ManaCostsImpl;
 import mage.abilities.dynamicvalue.DynamicValue;
-import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.keyword.EchoEffect;
-import mage.constants.Outcome;
 import mage.constants.Zone;
 import mage.game.Game;
 import mage.game.events.GameEvent;
-import mage.game.permanent.Permanent;
+
-import mage.players.Player;
+import java.util.UUID;
 
 /**
  *
@@ -82,7 +77,7 @@ public class EchoAbility extends TriggeredAbilityImpl {
 
     @Override
     public boolean checkTrigger(GameEvent event, Game game) {
-        // reset the echo paid state back, if creature enteres the battlefield
+        // reset the echo paid state back, if creature enters the battlefield
         if (event.getType() == GameEvent.EventType.ENTERS_THE_BATTLEFIELD
                 && event.getTargetId().equals(this.getSourceId())) {
 
@@ -128,70 +123,3 @@ public class EchoAbility extends TriggeredAbilityImpl {
     }
 }
 
-class EchoEffect extends OneShotEffect {
-
-    protected Cost cost;
-    protected DynamicValue amount;
-
-    public EchoEffect(Cost costs) {
-        super(Outcome.Sacrifice);
-        this.cost = costs;
-        this.amount = null;
-    }
-
-    public EchoEffect(DynamicValue amount) {
-        super(Outcome.Sacrifice);
-        this.amount = amount;
-        this.cost = null;
-    }
-
-    public EchoEffect(final EchoEffect effect) {
-        super(effect);
-        this.cost = effect.cost;
-        this.amount = effect.amount;
-    }
-
-    @Override
-    public boolean apply(Game game, Ability source) {
-        if (amount != null) {
-            cost = new ManaCostsImpl(Integer.toString(amount.calculate(game, source, this)));
-        }
-        Player controller = game.getPlayer(source.getControllerId());
-        if (controller != null
-                && source.getSourceObjectIfItStillExists(game) != null) {
-            if (controller.chooseUse(Outcome.Benefit, "Pay " + cost.getText() + '?', source, game)) {
-                cost.clearPaid();
-                if (cost.pay(source, game, source.getSourceId(), source.getControllerId(), false, null)) {
-                    game.fireEvent(GameEvent.getEvent(GameEvent.EventType.ECHO_PAID, source.getSourceId(), source.getSourceId(), source.getControllerId()));
-                    return true;
-                }
-            }
-            Permanent permanent = game.getPermanent(source.getSourceId());
-            if (permanent != null) {
-                permanent.sacrifice(source.getSourceId(), game);
-            }
-            return true;
-        }
-        return false;
-    }
-
-    @Override
-    public EchoEffect copy() {
-        return new EchoEffect(this);
-    }
-
-    @Override
-    public String getText(Mode mode) {
-        StringBuilder sb = new StringBuilder("sacrifice {this} unless you ");
-        String costText = cost.getText();
-        if (costText.toLowerCase(Locale.ENGLISH).startsWith("discard")) {
-            sb.append(costText.substring(0, 1).toLowerCase(Locale.ENGLISH));
-            sb.append(costText.substring(1));
-        } else {
-            sb.append("pay ").append(costText);
-        }
-
-        return sb.toString();
-
-    }
-}

Mage/src/main/java/mage/constants/AsThoughEffectType.java

@@ -25,7 +25,7 @@ public enum AsThoughEffectType {
     DAMAGE,
     SHROUD,
     HEXPROOF,
-    PAY,
+    PAY_0_ECHO,
     LOOK_AT_FACE_DOWN,
     SPEND_OTHER_MANA,
     SPEND_ONLY_MANA,