Add Expend and Teapot Slinger (#5731)

* Add Expend and Teapot Slinger

* Fixes

---------

Co-authored-by: tool4EvEr <tool4EvEr@192.168.0.60>

forge-game/src/main/java/forge/game/GameSnapshot.java

@@ -194,6 +194,7 @@ public class GameSnapshot {
         newPlayer.setLibrarySearched(origPlayer.getLibrarySearched());
         newPlayer.setSpellsCastLastTurn(origPlayer.getSpellsCastLastTurn());
         newPlayer.setCommitedCrimeThisTurn(origPlayer.getCommittedCrimeThisTurn());
+        newPlayer.setExpentThisTurn(origPlayer.getExpentThisTurn());
         for (int j = 0; j < origPlayer.getSpellsCastThisTurn(); j++) {
             newPlayer.addSpellCastThisTurn();
         }

forge-game/src/main/java/forge/game/player/Player.java

@@ -101,6 +101,7 @@ public class Player extends GameEntity implements Comparable<Player> {
     private int lifeGainedTimesThisTurn;
     private int lifeGainedByTeamThisTurn;
     private int committedCrimeThisTurn;
+    private int expentThisTurn;
     private int numManaShards;
     private int numPowerSurgeLands;
     private int numLibrarySearchedOwn; //The number of times this player has searched his library
@@ -2557,6 +2558,7 @@ public class Player extends GameEntity implements Comparable<Player> {
         setNumManaConversion(0);
 
         setCommitedCrimeThisTurn(0);
+        setExpentThisTurn(0);
 
         damageReceivedThisTurn.clear();
         planeswalkedToThisTurn.clear();
@@ -3864,6 +3866,13 @@ public class Player extends GameEntity implements Comparable<Player> {
         committedCrimeThisTurn = v;
     }
 
+    public int getExpentThisTurn() {
+        return expentThisTurn;
+    }
+    public void setExpentThisTurn(int v) {
+        expentThisTurn = v;
+    }
+
     public void visitAttractions(int light) {
         CardCollection attractions = CardLists.filter(getCardsIn(ZoneType.Battlefield), CardPredicates.isAttractionWithLight(light));
         for (Card c : attractions) {

forge-game/src/main/java/forge/game/trigger/TriggerManaExpend.java

@@ -0,0 +1,62 @@
+/*
+ * Forge: Play Magic: the Gathering.
+ * Copyright (C) 2011  Forge Team
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package forge.game.trigger;
+
+import forge.game.ability.AbilityKey;
+import forge.game.card.Card;
+import forge.game.spellability.SpellAbility;
+
+import java.util.Map;
+
+/**
+ * <p>
+ * TriggerManaExpend class.
+ * </p>
+ *
+ * @author Forge
+ * @version $Id$
+ */
+public class TriggerManaExpend extends Trigger {
+    public TriggerManaExpend(final Map<String, String> params, final Card host, final boolean intrinsic) {
+        super(params, host, intrinsic);
+    }
+
+    /** {@inheritDoc}
+     * @param runParams*/
+    @Override
+    public final boolean performTest(final Map<AbilityKey, Object> runParams) {
+        if (!matchesValidParam("Player", runParams.get(AbilityKey.Player))) {
+            return false;
+        }
+
+        int targetAmount = Integer.parseInt(mapParams.get("Amount"));
+        int actualAmount = (int) runParams.get(AbilityKey.Amount);
+        return targetAmount == actualAmount;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public final void setTriggeringObjects(final SpellAbility sa, Map<AbilityKey, Object> runParams) {
+        sa.setTriggeringObjectsFrom(runParams, AbilityKey.Amount, AbilityKey.Player);
+    }
+
+    @Override
+    public String getImportantStackObjects(SpellAbility sa) {
+        return sa.getTriggeringObject(AbilityKey.Player) + " expended " + sa.getTriggeringObject(AbilityKey.Amount) + " mana";
+    }
+}

forge-game/src/main/java/forge/game/trigger/TriggerType.java

@@ -1,11 +1,11 @@
 package forge.game.trigger;
 
+import forge.game.card.Card;
+
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
 import java.util.Map;
 
-import forge.game.card.Card;
-
 
 /**
  * TODO: Write javadoc for this type.
@@ -95,6 +95,7 @@ public enum TriggerType {
     LifeLostAll(TriggerLifeLostAll.class),
     LosesGame(TriggerLosesGame.class),
     ManaAdded(TriggerManaAdded.class),
+    ManaExpend(TriggerManaExpend.class),
     Mentored(TriggerMentored.class),
     Milled(TriggerMilled.class),
     MilledOnce(TriggerMilledOnce.class),

forge-game/src/main/java/forge/game/zone/MagicStack.java

@@ -353,6 +353,35 @@ public class MagicStack /* extends MyObservable */ implements Iterable<SpellAbil
             runParams.put(AbilityKey.CardLKI, lki);
             thisTurnCast.add(lki);
             sp.getActivatingPlayer().addSpellCastThisTurn();
+
+            // Add expend mana
+            Map<Player, Integer> expendPlayers = Maps.newHashMap();
+
+            for (Mana m : sp.getPayingMana()) {
+                // TODO this currently assumes that all mana came from your own pool
+                // but with Assist some might belong to another player instead
+                Player manaPayer = sp.getActivatingPlayer();
+
+                expendPlayers.put(manaPayer, expendPlayers.getOrDefault(manaPayer, 0) + 1);
+            }
+
+            for (Entry<Player, Integer> entry : expendPlayers.entrySet()) {
+                Player manaPayer = entry.getKey();
+                int startingMana =  manaPayer.getExpentThisTurn();
+                int totalMana = startingMana + entry.getValue();
+
+                if (totalMana == 0) {
+                    continue;
+                }
+
+                manaPayer.setExpentThisTurn(totalMana);
+                for(int i = startingMana + 1; i <= totalMana; i++) {
+                    Map<AbilityKey, Object> expendParams = AbilityKey.mapFromPlayer(manaPayer);
+                    expendParams.put(AbilityKey.SpellAbility, sp);
+                    expendParams.put(AbilityKey.Amount, i);
+                    game.getTriggerHandler().runTrigger(TriggerType.ManaExpend, expendParams, true);
+                }
+            }
         }
 
         runParams.put(AbilityKey.Cost, sp.getPayCosts());