/*
* Copyright (C) 2010-2016 JPEXS, All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library.
*/
package com.jpexs.decompiler.flash.tags;
import com.jpexs.decompiler.flash.SWF;
import com.jpexs.decompiler.flash.SWFInputStream;
import com.jpexs.decompiler.flash.SWFOutputStream;
import com.jpexs.decompiler.flash.tags.base.ASMSourceContainer;
import com.jpexs.decompiler.flash.tags.base.BoundedTag;
import com.jpexs.decompiler.flash.tags.base.ButtonTag;
import com.jpexs.decompiler.flash.tags.base.CharacterTag;
import com.jpexs.decompiler.flash.timeline.DepthState;
import com.jpexs.decompiler.flash.timeline.Frame;
import com.jpexs.decompiler.flash.timeline.Timeline;
import com.jpexs.decompiler.flash.types.BUTTONCONDACTION;
import com.jpexs.decompiler.flash.types.BUTTONRECORD;
import com.jpexs.decompiler.flash.types.BasicType;
import com.jpexs.decompiler.flash.types.MATRIX;
import com.jpexs.decompiler.flash.types.RECT;
import com.jpexs.decompiler.flash.types.annotations.Reserved;
import com.jpexs.decompiler.flash.types.annotations.SWFType;
import com.jpexs.decompiler.flash.types.annotations.SWFVersion;
import com.jpexs.helpers.ByteArrayRange;
import com.jpexs.helpers.Cache;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
/**
* Extends the capabilities of DefineButton by allowing any state transition to
* trigger actions
*
* @author JPEXS
*/
@SWFVersion(from = 3)
public class DefineButton2Tag extends ButtonTag implements ASMSourceContainer {
public static final int ID = 34;
public static final String NAME = "DefineButton2";
/**
* ID for this character
*/
@SWFType(BasicType.UI16)
public int buttonId;
@Reserved
@SWFType(value = BasicType.UB, count = 7)
public int reserved;
/**
* Track as menu button
*/
public boolean trackAsMenu;
/**
* Characters that make up the button
*/
public List<BUTTONRECORD> characters;
/**
* Actions to execute at particular button events
*/
public List<BUTTONCONDACTION> actions = new ArrayList<>();
/**
* Constructor
*
* @param swf
*/
public DefineButton2Tag(SWF swf) {
super(swf, ID, NAME, null);
buttonId = swf.getNextCharacterId();
characters = new ArrayList<>();
}
/**
* Constructor
*
* @param sis
* @param data
* @throws IOException
*/
public DefineButton2Tag(SWFInputStream sis, ByteArrayRange data) throws IOException {
super(sis.getSwf(), ID, NAME, data);
readData(sis, data, 0, false, false, false);
}
@Override
public final void readData(SWFInputStream sis, ByteArrayRange data, int level, boolean parallel, boolean skipUnusualTags, boolean lazy) throws IOException {
buttonId = sis.readUI16("buttonId");
reserved = (int) sis.readUB(7, "reserved");
trackAsMenu = sis.readUB(1, "trackAsMenu") == 1;
int actionOffset = sis.readUI16("actionOffset");
characters = sis.readBUTTONRECORDList(true, "characters");
if (actionOffset > 0) {
actions = sis.readBUTTONCONDACTIONList(swf, this, "actions");
}
}
/**
* Gets data bytes
*
* @param sos SWF output stream
* @throws java.io.IOException
*/
@Override
public void getData(SWFOutputStream sos) throws IOException {
sos.writeUI16(buttonId);
sos.writeUB(7, reserved);
sos.writeUB(1, trackAsMenu ? 1 : 0);
ByteArrayOutputStream baos2 = new ByteArrayOutputStream();
try (SWFOutputStream sos2 = new SWFOutputStream(baos2, getVersion())) {
sos2.writeBUTTONRECORDList(characters, true);
}
byte[] brdata = baos2.toByteArray();
if ((actions == null) || (actions.isEmpty())) {
sos.writeUI16(0);
} else {
sos.writeUI16(2 + brdata.length);
}
sos.write(brdata);
sos.writeBUTTONCONDACTIONList(actions);
}
@Override
public int getCharacterId() {
return buttonId;
}
@Override
public void setCharacterId(int characterId) {
this.buttonId = characterId;
}
@Override
public List<BUTTONRECORD> getRecords() {
return characters;
}
/**
* Returns all sub-items
*
* @return List of sub-items
*/
@Override
public List<BUTTONCONDACTION> getSubItems() {
return actions;
}
@Override
public boolean replaceCharacter(int oldCharacterId, int newCharacterId) {
boolean modified = false;
for (int i = 0; i < characters.size(); i++) {
BUTTONRECORD character = characters.get(i);
if (character.characterId == oldCharacterId) {
character.characterId = newCharacterId;
modified = true;
}
}
if (modified) {
setModified(true);
}
return modified;
}
@Override
public boolean removeCharacter(int characterId) {
boolean modified = false;
for (int i = 0; i < characters.size(); i++) {
if (characters.get(i).characterId == characterId) {
characters.remove(i);
modified = true;
i--;
}
}
if (modified) {
setModified(true);
}
return modified;
}
@Override
public RECT getRect(Set<BoundedTag> added) {
Cache<CharacterTag, RECT> cache = swf == null ? null : swf.getRectCache();
RECT ret = cache == null ? null : cache.get(this);
if (ret != null) {
return ret;
}
RECT rect = new RECT(Integer.MAX_VALUE, Integer.MIN_VALUE, Integer.MAX_VALUE, Integer.MIN_VALUE);
for (BUTTONRECORD r : characters) {
CharacterTag ch = swf.getCharacter(r.characterId);
if (ch instanceof BoundedTag) {
BoundedTag bt = (BoundedTag) ch;
if (!added.contains(bt)) {
added.add(bt);
RECT r2 = bt.getRect(added);
added.remove(bt);
MATRIX mat = r.placeMatrix;
if (mat != null) {
r2 = mat.apply(r2);
}
rect.Xmin = Math.min(r2.Xmin, rect.Xmin);
rect.Ymin = Math.min(r2.Ymin, rect.Ymin);
rect.Xmax = Math.max(r2.Xmax, rect.Xmax);
rect.Ymax = Math.max(r2.Ymax, rect.Ymax);
}
}
}
if (cache != null) {
cache.put(this, rect);
}
return rect;
}
@Override
public boolean trackAsMenu() {
return trackAsMenu;
}
@Override
public int getNumFrames() {
return 1;
}
@Override
protected void initTimeline(Timeline timeline) {
int maxDepth = 0;
Frame frameUp = new Frame(timeline, 0);
Frame frameDown = new Frame(timeline, 0);
Frame frameOver = new Frame(timeline, 0);
Frame frameHit = new Frame(timeline, 0);
for (BUTTONRECORD r : this.characters) {
DepthState layer = new DepthState(swf, null);
layer.colorTransForm = r.colorTransform;
layer.blendMode = r.blendMode;
layer.filters = r.filterList;
layer.matrix = r.placeMatrix;
layer.characterId = r.characterId;
if (r.placeDepth > maxDepth) {
maxDepth = r.placeDepth;
}
if (r.buttonStateUp) {
frameUp.layers.put(r.placeDepth, new DepthState(layer, frameUp, false));
}
if (r.buttonStateDown) {
frameDown.layers.put(r.placeDepth, new DepthState(layer, frameDown, false));
}
if (r.buttonStateOver) {
frameOver.layers.put(r.placeDepth, new DepthState(layer, frameOver, false));
}
if (r.buttonStateHitTest) {
frameHit.layers.put(r.placeDepth, new DepthState(layer, frameHit, false));
}
}
timeline.addFrame(frameUp);
if (frameOver.layers.isEmpty()) {
frameOver = frameUp;
}
timeline.addFrame(frameOver);
if (frameDown.layers.isEmpty()) {
frameDown = frameOver;
}
timeline.addFrame(frameDown);
if (frameHit.layers.isEmpty()) {
frameHit = frameUp;
}
timeline.addFrame(frameHit);
}
}