Method clearPool

forge-game/src/main/java/forge/game/mana/ManaPool.java:119–175

(boolean isEndOfPhase)

    }

    public final List<Mana> clearPool(boolean isEndOfPhase) {
        // isEndOfPhase parameter: true = end of phase, false = mana drain effect
        List<Mana> cleared = Lists.newArrayList();
        if (floatingMana.isEmpty()) { return cleared; }

        Byte convertTo = null;

        // TODO move this lower in case all mana would be persistent
        final Map<AbilityKey, Object> runParams = AbilityKey.mapFromAffected(owner);
        runParams.put(AbilityKey.Mana, "C");
        switch (owner.getGame().getReplacementHandler().run(ReplacementType.LoseMana, runParams)) {
        case NotReplaced:
            break;
        case Skipped:
            return cleared;
        default:
            convertTo = ManaAtom.fromName((String) runParams.get(AbilityKey.Mana));
            break;

        }

        final List<Byte> keys = Lists.newArrayList(floatingMana.keySet());
        if (isEndOfPhase) {
            keys.removeAll(StaticAbilityUnspentMana.getManaToKeep(owner));
        }
        if (convertTo != null) {
            keys.remove(convertTo);
        }

        for (Byte b : keys) {
            Collection<Mana> cm = floatingMana.get(b);
            final List<Mana> pMana = Lists.newArrayList();
            if (isEndOfPhase && !owner.getGame().getPhaseHandler().is(PhaseType.CLEANUP)) {
                for (final Mana mana : cm) {
                    if (mana.isPersistentMana()) {
                        pMana.add(mana);
                    }
                    if (mana.isCombatMana() && !owner.getGame().getPhaseHandler().is(PhaseType.COMBAT_END)) {
                        pMana.add(mana);
                    }
                }
            }
            cm.removeAll(pMana);
            if (convertTo != null) {
                convertManaColor(b, convertTo);
                cm.addAll(pMana);
            } else {
                cleared.addAll(cm);
                cm.clear();
                floatingMana.putAll(b, pMana);
            }
        }

        owner.updateManaForView();
        owner.getGame().fireEvent(new GameEventManaPool(owner, EventValueChangeType.Cleared, null));
        return cleared;
    }