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Addons.cpp
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Addons.cpp
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/*
* Copyright (C) 2011-2012 Me and My Shadow
*
* This file is part of Me and My Shadow.
*
* Me and My Shadow 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.
*
* Me and My Shadow 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 Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Addons.h"
#include "GameState.h"
#include "Functions.h"
#include "FileManager.h"
#include "Globals.h"
#include "Objects.h"
#include "GUIObject.h"
#include "GUIScrollBar.h"
#include "GUIListBox.h"
#include "POASerializer.h"
#include "InputManager.h"
#include <string>
#include <sstream>
#include <iostream>
#include <SDL/SDL_ttf.h>
#include <SDL/SDL.h>
using namespace std;
Addons::Addons(){
//Render the title.
title=TTF_RenderUTF8_Blended(fontTitle,_("Addons"),themeTextColor);
FILE* addon=fopen((getUserPath(USER_CACHE)+"addons").c_str(),"wb");
action=NONE;
addons=NULL;
//Clear the GUI if any.
if(GUIObjectRoot){
delete GUIObjectRoot;
GUIObjectRoot=NULL;
}
//Try to get(download) the addonsList.
if(getAddonsList(addon)==false) {
//It failed so we show the error message.
GUIObjectRoot=new GUIObject(0,0,SCREEN_WIDTH,SCREEN_HEIGHT);
GUIObject* obj=new GUIObject(90,96,200,32,GUIObjectLabel,_("Unable to initialize addon menu:"));
obj->name="lbl";
GUIObjectRoot->addChild(obj);
obj=new GUIObject(120,130,200,32,GUIObjectLabel,error.c_str());
obj->name="lbl";
GUIObjectRoot->addChild(obj);
obj=new GUIObject(90,550,200,32,GUIObjectButton,_("Back"));
obj->name="cmdBack";
obj->eventCallback=this;
GUIObjectRoot->addChild(obj);
return;
}
//Now create the GUI.
createGUI();
}
Addons::~Addons(){
delete addons;
//Free the title surface.
SDL_FreeSurface(title);
//If the GUIObjectRoot exist delete it.
if(GUIObjectRoot){
delete GUIObjectRoot;
GUIObjectRoot=NULL;
}
}
void Addons::createGUI(){
//Downloaded the addons file now we can create the GUI.
GUIObjectRoot=new GUIObject(0,0,SCREEN_WIDTH,SCREEN_HEIGHT);
//Create list of categories
GUISingleLineListBox *listTabs=new GUISingleLineListBox((SCREEN_WIDTH-360)/2,100,360,36);
listTabs->name="lstTabs";
listTabs->item.push_back(_("Levels"));
listTabs->item.push_back(_("Level Packs"));
listTabs->item.push_back(_("Themes"));
listTabs->value=0;
listTabs->eventCallback=this;
GUIObjectRoot->addChild(listTabs);
//Create the list for the addons.
//By default levels will be selected.
list=new GUIListBox(SCREEN_WIDTH*0.1,160,SCREEN_WIDTH*0.8,SCREEN_HEIGHT-220);
list->item=addonsToList("levels");
list->name="lstAddons";
list->eventCallback=this;
list->value=-1;
GUIObjectRoot->addChild(list);
type="levels";
//And the buttons at the bottom of the screen.
GUIObject* obj=new GUIObject(SCREEN_WIDTH*0.3,SCREEN_HEIGHT-50,-1,32,GUIObjectButton,_("Back"),0,true,true,GUIGravityCenter);
obj->name="cmdBack";
obj->eventCallback=this;
GUIObjectRoot->addChild(obj);
actionButton=new GUIObject(SCREEN_WIDTH*0.7,SCREEN_HEIGHT-50,-1,32,GUIObjectButton,_("Install"),0,false,true,GUIGravityCenter);
actionButton->name="cmdInstall";
actionButton->eventCallback=this;
GUIObjectRoot->addChild(actionButton);
updateButton=new GUIObject(SCREEN_WIDTH*0.5,SCREEN_HEIGHT-50,-1,32,GUIObjectButton,_("Update"),0,false,false,GUIGravityCenter);
updateButton->name="cmdUpdate";
updateButton->eventCallback=this;
GUIObjectRoot->addChild(updateButton);
}
bool Addons::getAddonsList(FILE* file){
//First we download the file.
if(downloadFile("http://sourceforge.net/p/meandmyshadow/addons/ci/HEAD/tree/addons04?format=raw",file)==false){
//NOTE: We keep the console output English so we put the string literal here twice.
cerr<<"ERROR: unable to download addons file!"<<endl;
error=_("ERROR: unable to download addons file!");
return false;
}
fclose(file);
//Load the downloaded file.
ifstream addonFile;
addonFile.open((getUserPath(USER_CACHE)+"addons").c_str());
if(!addonFile.good()) {
//NOTE: We keep the console output English so we put the string literal here twice.
cerr<<"ERROR: unable to load addon_list file!"<<endl;
error=_("ERROR: unable to load addon_list file!");
return false;
}
//Parse the addonsfile.
TreeStorageNode obj;
{
POASerializer objSerializer;
if(!objSerializer.readNode(addonFile,&obj,true)){
//NOTE: We keep the console output English so we put the string literal here twice.
cerr<<"ERROR: Invalid file format of addons file!"<<endl;
error=_("ERROR: Invalid file format of addons file!");
return false;
}
}
//Also load the installed_addons file.
ifstream iaddonFile;
iaddonFile.open((getUserPath(USER_CONFIG)+"installed_addons").c_str());
if(!iaddonFile) {
//The installed_addons file doesn't exist, so we create it.
ofstream iaddons;
iaddons.open((getUserPath(USER_CONFIG)+"installed_addons").c_str());
iaddons<<" "<<endl;
iaddons.close();
//Also load the installed_addons file.
iaddonFile.open((getUserPath(USER_CONFIG)+"installed_addons").c_str());
if(!iaddonFile) {
//NOTE: We keep the console output English so we put the string literal here twice.
cerr<<"ERROR: Unable to create the installed_addons file."<<endl;
error=_("ERROR: Unable to create the installed_addons file.");
return false;
}
}
//And parse the installed_addons file.
TreeStorageNode obj1;
{
POASerializer objSerializer;
if(!objSerializer.readNode(iaddonFile,&obj1,true)){
//NOTE: We keep the console output English so we put the string literal here twice.
cerr<<"ERROR: Invalid file format of the installed_addons!"<<endl;
error=_("ERROR: Invalid file format of the installed_addons!");
return false;
}
}
//Fill the vector.
addons = new std::vector<Addon>;
fillAddonList(*addons,obj,obj1);
//Close the files.
iaddonFile.close();
addonFile.close();
return true;
}
void Addons::fillAddonList(std::vector<Addons::Addon> &list, TreeStorageNode &addons, TreeStorageNode &installed_addons){
//Loop through the blocks of the addons file.
//These should contain the types levels, levelpacks, themes.
for(unsigned int i=0;i<addons.subNodes.size();i++){
TreeStorageNode* block=addons.subNodes[i];
if(block==NULL) continue;
string type;
type=block->name;
//Now loop the entries(subNodes) of the block.
for(unsigned int i=0;i<block->subNodes.size();i++){
TreeStorageNode* entry=block->subNodes[i];
if(entry==NULL) continue;
if(entry->name=="entry" && entry->value.size()==1){
//The entry is valid so create a new Addon.
Addon addon = *(new Addon);
addon.type=type;
addon.name=entry->value[0];
addon.file=entry->attributes["file"][0];
if(!entry->attributes["folder"].empty()){
addon.folder=entry->attributes["folder"][0];
}
addon.author=entry->attributes["author"][0];
addon.version=atoi(entry->attributes["version"][0].c_str());
addon.upToDate=false;
addon.installed=false;
//Check if the addon is already installed.
for(unsigned int i=0;i<installed_addons.subNodes.size();i++){
TreeStorageNode* installed=installed_addons.subNodes[i];
if(installed==NULL) continue;
if(installed->name=="entry" && installed->value.size()==3){
if(addon.type.compare(installed->value[0])==0 && addon.name.compare(installed->value[1])==0) {
addon.installed=true;
addon.installedVersion=atoi(installed->value[2].c_str());
if(addon.installedVersion>=addon.version) {
addon.upToDate=true;
}
}
}
}
//Finally put him in the list.
list.push_back(addon);
}
}
}
}
std::vector<std::string> Addons::addonsToList(const std::string &type){
std::vector<std::string> result;
for(unsigned int i=0;i<addons->size();i++) {
//Check if the addon is from the right type.
if((*addons)[i].type==type) {
string entry = (*addons)[i].name + " by " + (*addons)[i].author;
if((*addons)[i].installed) {
if((*addons)[i].upToDate) {
entry += " *";
} else {
entry += " +";
}
}
result.push_back(entry);
}
}
return result;
}
bool Addons::saveInstalledAddons(){
if(!addons) return false;
//Open the file.
ofstream iaddons;
iaddons.open((getUserPath(USER_CONFIG)+"installed_addons").c_str());
if(!iaddons) return false;
//Loop all the levels.
TreeStorageNode installed;
for(unsigned int i=0;i<addons->size();i++) {
//Check if the level is installed or not.
if((*addons)[i].installed) {
TreeStorageNode *entry=new TreeStorageNode;
entry->name="entry";
entry->value.push_back((*addons)[i].type);
entry->value.push_back((*addons)[i].name);
char version[64];
sprintf(version,"%d",(*addons)[i].installedVersion);
entry->value.push_back(version);
installed.subNodes.push_back(entry);
}
}
//And write away the file.
POASerializer objSerializer;
objSerializer.writeNode(&installed,iaddons,true,true);
return true;
}
void Addons::handleEvents(){
//Check if we should quit.
if(event.type==SDL_QUIT){
//Save the installed addons before exiting.
saveInstalledAddons();
setNextState(STATE_EXIT);
}
//Check if escape is pressed, if so return to the main menu.
if(inputMgr.isKeyUpEvent(INPUTMGR_ESCAPE)){
setNextState(STATE_MENU);
}
}
void Addons::logic(){}
void Addons::render(){
//Draw background.
objThemes.getBackground(true)->draw(screen);
//Draw the title.
applySurface((SCREEN_WIDTH-title->w)/2,40-TITLE_FONT_RAISE,title,screen,NULL);
}
void Addons::resize(){
//Delete the gui (if any).
if(GUIObjectRoot){
delete GUIObjectRoot;
GUIObjectRoot=NULL;
}
//Now create a new one.
createGUI();
}
void Addons::GUIEventCallback_OnEvent(std::string name,GUIObject* obj,int eventType){
if(name=="lstTabs"){
if(obj->value==0){
list->item=addonsToList("levels");
type="levels";
}else if(obj->value==1){
list->item=addonsToList("levelpacks");
type="levelpacks";
}else{
list->item=addonsToList("themes");
type="themes";
}
list->value=0;
GUIEventCallback_OnEvent("lstAddons",list,GUIEventChange);
}else if(name=="lstAddons"){
//Get the addon struct that belongs to it.
Addon *addon=NULL;
if(!list->item.empty()) {
string entry = list->item[list->value];
if(type.compare("levels")==0) {
for(unsigned int i=0;i<addons->size();i++) {
std::string prefix=(*addons)[i].name;
if(!entry.compare(0, prefix.size(), prefix)) {
addon=&(*addons)[i];
}
}
} else if(type.compare("levelpacks")==0) {
for(unsigned int i=0;i<addons->size();i++) {
std::string prefix=(*addons)[i].name;
if(!entry.compare(0, prefix.size(), prefix)) {
addon=&(*addons)[i];
}
}
} else if(type.compare("themes")==0) {
for(unsigned int i=0;i<addons->size();i++) {
std::string prefix=(*addons)[i].name;
if(!entry.compare(0, prefix.size(), prefix)) {
addon=&(*addons)[i];
}
}
}
}
selected=addon;
updateActionButton();
updateUpdateButton();
}else if(name=="cmdBack"){
saveInstalledAddons();
setNextState(STATE_MENU);
}else if(name=="cmdUpdate"){
//First remove the addon and then install it again.
if(type.compare("levels")==0) {
if(downloadFile(selected->file,(getUserPath(USER_DATA)+"/levels/"))!=false){
selected->upToDate=true;
selected->installedVersion=selected->version;
list->item=addonsToList("levels");
updateActionButton();
updateUpdateButton();
}else{
cerr<<"ERROR: Unable to download addon!"<<endl;
msgBox(_("ERROR: Unable to download addon!"),MsgBoxOKOnly,_("ERROR:"));
return;
}
}else if(type.compare("levelpacks")==0) {
if(!removeDirectory((getUserPath(USER_DATA)+"levelpacks/"+selected->folder+"/").c_str())){
cerr<<"ERROR: Unable to remove the directory "<<(getUserPath(USER_DATA)+"levelpacks/"+selected->folder+"/")<<"."<<endl;
return;
}
if(downloadFile(selected->file,(getUserPath(USER_CACHE)+"/tmp/"))!=false){
extractFile(getUserPath(USER_CACHE)+"/tmp/"+fileNameFromPath(selected->file,true),getUserPath(USER_DATA)+"/levelpacks/"+selected->folder+"/");
selected->upToDate=true;
selected->installedVersion=selected->version;
list->item=addonsToList("levelpacks");
updateActionButton();
updateUpdateButton();
}else{
cerr<<"ERROR: Unable to download addon!"<<endl;
msgBox(_("ERROR: Unable to download addon!"),MsgBoxOKOnly,_("ERROR:"));
return;
}
}else if(type.compare("themes")==0) {
if(!removeDirectory((getUserPath(USER_DATA)+"themes/"+selected->folder+"/").c_str())){
cerr<<"ERROR: Unable to remove the directory "<<(getUserPath(USER_DATA)+"themes/"+selected->folder+"/")<<"."<<endl;
return;
}
if(downloadFile(selected->file,(getUserPath(USER_CACHE)+"/tmp/"))!=false){
extractFile((getUserPath(USER_CACHE)+"/tmp/"+fileNameFromPath(selected->file,true)),(getUserPath(USER_DATA)+"/themes/"+selected->folder+"/"));
selected->upToDate=true;
selected->installedVersion=selected->version;
list->item=addonsToList("themes");
updateActionButton();
updateUpdateButton();
}else{
cerr<<"ERROR: Unable to download addon!"<<endl;
msgBox(_("ERROR: Unable to download addon!"),MsgBoxOKOnly,_("ERROR:"));
return;
}
}
}else if(name=="cmdInstall"){
switch(action) {
case NONE:
break;
case INSTALL:
//Download the addon.
if(type.compare("levels")==0) {
if(downloadFile(selected->file,getUserPath(USER_DATA)+"/levels/")!=false){
selected->upToDate=true;
selected->installed=true;
selected->installedVersion=selected->version;
list->item=addonsToList("levels");
updateActionButton();
;
//And add the level to the levels levelpack.
LevelPack* levelsPack=getLevelPackManager()->getLevelPack("Levels");
levelsPack->addLevel(getUserPath(USER_DATA)+"/levels/"+fileNameFromPath(selected->file));
levelsPack->setLocked(levelsPack->getLevelCount()-1);
}else{
cerr<<"ERROR: Unable to download addon!"<<endl;
msgBox(_("ERROR: Unable to download addon!"),MsgBoxOKOnly,_("ERROR:"));
return;
}
}else if(type.compare("levelpacks")==0) {
if(downloadFile(selected->file,getUserPath(USER_CACHE)+"/tmp/")!=false){
extractFile(getUserPath(USER_CACHE)+"/tmp/"+fileNameFromPath(selected->file,true),getUserPath(USER_DATA)+"/levelpacks/"+selected->folder+"/");
selected->upToDate=true;
selected->installed=true;
selected->installedVersion=selected->version;
list->item=addonsToList("levelpacks");
updateActionButton();
updateUpdateButton();
//And add the levelpack to the levelpackManager.
getLevelPackManager()->loadLevelPack(getUserPath(USER_DATA)+"/levelpacks/"+selected->folder);
}else{
cerr<<"ERROR: Unable to download addon!"<<endl;
msgBox(_("ERROR: Unable to download addon!"),MsgBoxOKOnly,_("ERROR:"));
return;
}
}else if(type.compare("themes")==0) {
if(downloadFile(selected->file,getUserPath(USER_CACHE)+"/tmp/")!=false){
extractFile(getUserPath(USER_CACHE)+"/tmp/"+fileNameFromPath(selected->file,true),getUserPath(USER_DATA)+"/themes/"+selected->folder+"/");
selected->upToDate=true;
selected->installed=true;
selected->installedVersion=selected->version;
list->item=addonsToList("themes");
updateActionButton();
updateUpdateButton();
}else{
cerr<<"ERROR: Unable to download addon!"<<endl;
msgBox(_("ERROR: Unable to download addon!"),MsgBoxOKOnly,_("ERROR:"));
return;
}
}
break;
case UNINSTALL:
//Uninstall the addon.
if(type.compare("levels")==0) {
if(remove((getUserPath(USER_DATA)+"levels/"+fileNameFromPath(selected->file)).c_str())){
cerr<<"ERROR: Unable to remove the file "<<(getUserPath(USER_DATA) + "levels/" + fileNameFromPath(selected->file))<<"."<<endl;
return;
}
selected->upToDate=false;
selected->installed=false;
list->item=addonsToList("levels");
updateActionButton();
updateUpdateButton();
//And remove the level from the levels levelpack.
LevelPack* levelsPack=getLevelPackManager()->getLevelPack("Levels");
for(int i=0;i<levelsPack->getLevelCount();i++){
if(levelsPack->getLevelFile(i)==(getUserPath(USER_DATA)+"levels/"+fileNameFromPath(selected->file))){
//Remove the level and break out of the loop.
levelsPack->removeLevel(i);
break;
}
}
}else if(type.compare("levelpacks")==0) {
if(!removeDirectory((getUserPath(USER_DATA)+"levelpacks/"+selected->folder+"/").c_str())){
cerr<<"ERROR: Unable to remove the directory "<<(getUserPath(USER_DATA)+"levelpacks/"+selected->folder+"/")<<"."<<endl;
return;
}
selected->upToDate=false;
selected->installed=false;
list->item=addonsToList("levelpacks");
updateActionButton();
updateUpdateButton();
//And remove the levelpack from the levelpack manager.
getLevelPackManager()->removeLevelPack(selected->folder);
}else if(type.compare("themes")==0) {
if(!removeDirectory((getUserPath(USER_DATA)+"themes/"+selected->folder+"/").c_str())){
cerr<<"ERROR: Unable to remove the directory "<<(getUserPath(USER_DATA)+"themes/"+selected->folder+"/")<<"."<<endl;
return;
}
selected->upToDate=false;
selected->installed=false;
list->item=addonsToList("themes");
updateActionButton();
updateUpdateButton();
}
break;
}
}
}
void Addons::updateUpdateButton(){
//some sanity check
if(selected==NULL){
updateButton->enabled=false;
return;
}
//Check if the selected addon is installed.
if(selected->installed){
//It is installed, but is it uptodate?
if(selected->upToDate){
//The addon is installed and there is no need to show the button.
updateButton->enabled=false;
updateButton->visible=false;
}else{
//Otherwise show the button
updateButton->enabled=true;
updateButton->visible=true;
}
}else{
//The addon isn't installed so we can only install it.
updateButton->enabled=false;
}
}
void Addons::updateActionButton(){
//some sanity check
if(selected==NULL){
actionButton->enabled=false;
action = NONE;
return;
}
//Check if the selected addon is installed.
if(selected->installed){
//It is installed, but is it uptodate?
actionButton->enabled=true;
actionButton->caption=_("Uninstall");
action = UNINSTALL;
}else{
//The addon isn't installed so we can only install it.
actionButton->enabled=true;
actionButton->caption=_("Install");
action = INSTALL;
}
}

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