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* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
*
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* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
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*
* THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
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*/
package mage.game.turn;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.UUID;
import mage.constants.PhaseStep;
import mage.constants.TurnPhase;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.GameEvent.EventType;
/**
*
* @author BetaSteward_at_googlemail.com
*/
public abstract class Phase implements Serializable {
protected TurnPhase type;
protected List<Step> steps = new ArrayList<>();
protected EventType event;
protected EventType preEvent;
protected EventType postEvent;
protected UUID activePlayerId;
protected Step currentStep;
protected int count;
public abstract Phase copy();
public Phase() {
}
public Phase(final Phase phase) {
this.type = phase.type;
this.event = phase.event;
this.preEvent = phase.preEvent;
this.postEvent = phase.postEvent;
this.activePlayerId = phase.activePlayerId;
if (phase.currentStep != null) {
this.currentStep = phase.currentStep.copy();
}
this.count = phase.count;
for (Step step : phase.steps) {
this.steps.add(step.copy());
}
}
public TurnPhase getType() {
return type;
}
public Step getStep() {
return currentStep;
}
public void setStep(Step step) {
this.currentStep = step;
}
public void resetCount() {
count = 0;
}
public int getCount() {
return count;
}
public boolean play(Game game, UUID activePlayerId) {
if (game.isPaused() || game.gameOver(null)) {
return false;
}
this.activePlayerId = activePlayerId;
if (beginPhase(game, activePlayerId)) {
for (Step step : steps) {
if (game.isPaused() || game.gameOver(null)) {
return false;
}
if (game.getTurn().isEndTurnRequested() && step.getType()!=PhaseStep.CLEANUP) {
continue;
}
currentStep = step;
if (!game.getState().getTurnMods().skipStep(activePlayerId, getStep().getType())) {
playStep(game);
if (game.executingRollback()) {
return true;
}
}
if (!game.isSimulation() && checkStopOnStepOption(game)) {
return false;
}
}
if (game.isPaused() || game.gameOver(null)) {
return false;
}
count++;
endPhase(game, activePlayerId);
return true;
}
return false;
}
private boolean checkStopOnStepOption(Game game) {
if (game.getOptions().stopOnTurn != null
&& game.getOptions().stopOnTurn <= game.getState().getTurnNum()
&& game.getOptions().stopAtStep == getStep().getType()) {
game.pause();
return true;
}
return false;
}
public boolean resumePlay(Game game, PhaseStep stepType, boolean wasPaused) {
if (game.isPaused() || game.gameOver(null)) {
return false;
}
this.activePlayerId = game.getActivePlayerId();
Iterator<Step> it = steps.iterator();
Step step;
do {
step = it.next();
currentStep = step;
} while (step.getType() != stepType);
resumeStep(game, wasPaused);
while (it.hasNext()) {
step = it.next();
if (game.isPaused() || game.gameOver(null)) {
return false;
}
currentStep = step;
if (!game.getState().getTurnMods().skipStep(activePlayerId, currentStep.getType())) {
playStep(game);
if (game.executingRollback()) {
return true;
}
}
}
if (game.isPaused() || game.gameOver(null)) {
return false;
}
count++;
endPhase(game, activePlayerId);
return true;
}
public boolean beginPhase(Game game, UUID activePlayerId) {
if (!game.replaceEvent(new GameEvent(event, null, null, activePlayerId))) {
game.fireEvent(new GameEvent(preEvent, null, null, activePlayerId));
return true;
}
return false;
}
public void endPhase(Game game, UUID activePlayerId) {
game.fireEvent(new GameEvent(postEvent, null, null, activePlayerId));
game.getState().getTriggers().removeAbilitiesOfNonExistingSources(game); // e.g. tokens that left the battlefield
}
public void prePriority(Game game, UUID activePlayerId) {
currentStep.beginStep(game, activePlayerId);
}
public void postPriority(Game game, UUID activePlayerId) {
currentStep.endStep(game, activePlayerId);
//20091005 - 500.4/703.4n
game.emptyManaPools();
//20091005 - 500.9
playExtraSteps(game, currentStep.getType());
}
protected void playStep(Game game) {
if (!currentStep.skipStep(game, activePlayerId)) {
game.getState().increaseStepNum();
prePriority(game, activePlayerId);
if (!game.isPaused() && !game.gameOver(null) && !game.executingRollback()) {
currentStep.priority(game, activePlayerId, false);
if (game.executingRollback()) {
return;
}
}
if (!game.isPaused() && !game.gameOver(null) && !game.executingRollback()) {
postPriority(game, activePlayerId);
}
}
}
protected void resumeStep(Game game, boolean wasPaused) {
boolean resuming = true;
if (currentStep == null || currentStep.getStepPart() == null) {
game.end();
return;
}
switch (currentStep.getStepPart()) {
case PRE:
if (wasPaused) {
currentStep.resumeBeginStep(game, activePlayerId);
resuming = false;
} else {
prePriority(game, activePlayerId);
}
case PRIORITY:
if (!game.isPaused() && !game.gameOver(null)) {
currentStep.priority(game, activePlayerId, resuming);
}
case POST:
if (!game.isPaused() && !game.gameOver(null)) {
postPriority(game, activePlayerId);
}
}
}
private void playExtraSteps(Game game, PhaseStep afterStep) {
while (true) {
Step extraStep = game.getState().getTurnMods().extraStep(activePlayerId, afterStep);
if (extraStep == null) {
return;
}
currentStep = extraStep;
playStep(game);
}
}
}