C++ Value::loadFromFile方法代码示例

 void GameState::loadGUIConf(const std::string& filename){
     JsonBox::Value v;
 #if defined ANDROID
     v.loadFromString(std::string(android::readAssetsFile(filename).data()));
 #else
     v.loadFromFile(filename);
 #endif
     if(!v["GUI"]["buttons"].isNull()){
         int size = v["GUI"]["buttons"].getArray().size();
         for(int i=0;i<size;++i){
             sf::Vector2f pos(v["GUI"]["buttons"][size_t(i)]["position"]["x"].getInteger(),
                              v["GUI"]["buttons"][size_t(i)]["position"]["y"].getInteger());
             sf::Vector2f bSize(v["GUI"]["buttons"][size_t(i)]["scale"]["width"].getInteger(),
                                v["GUI"]["buttons"][size_t(i)]["scale"]["height"].getInteger());
             sf::Text t;
             if(v["GUI"]["buttons"][size_t(i)]["text"]["font"].getString() != ""){
                 t.setFont(assets->getFont(v["GUI"]["buttons"][size_t(i)]["text"]["font"].getString()));
             }
             t.setString(v["GUI"]["buttons"][size_t(i)]["text"]["string"].getString());
             t.setPosition(pos);
             t.setCharacterSize(v["GUI"]["buttons"][size_t(i)]["text"]["size"].getInteger());
             sf::Sprite sprite;
             sprite.setPosition(pos);
             if(v["GUI"]["buttons"][size_t(i)]["imageID"].getString() != ""){
                 auto textureID = v["GUI"]["buttons"][size_t(i)]["imageID"].getString();
                 if(assets->hasTexture(textureID)){
                     sprite.setTexture(assets->getTexture(textureID));
                 }else{
                     throw std::runtime_error("The " + textureID + " ID doesn't exists, add it to assets.json");
                 }
             }
             std::string actionID = v["GUI"]["buttons"][size_t(i)]["action"].getString();
             constructorSystem::command action = [](Entity* e,sf::VertexArray* va,sf::FloatRect bounds){};
             if(actionID == "climb"){
                 action = Constructions::climb;
             }else if(actionID == "dig"){
                 action = Constructions::hole;
             }else if(actionID == "tunnel"){
                 action = Constructions::tunnel;
             }else if(actionID == "stairs"){
                 action = Constructions::stairs;
             }else if(actionID == "wall"){
                 action = Constructions::wall;
             }else if(actionID == "stop"){
                 action = Constructions::stop;
             }else if(actionID == "bridge"){
                 action = Constructions::bridge;
             }else if(actionID == "downhill"){
                 action = Constructions::downhill;
             }else if(actionID == "uphill"){
                 action = Constructions::uphill;
             }else if(actionID == "explosion"){
                 action = Constructions::explosion;
             }
             buttons.emplace_back(std::make_unique<GUI::Button>(pos,sprite,t,action));
         }
     }
 }

 void GameState::loadConfig(const std::string& filename){
     JsonBox::Value v;
 #if defined ANDROID
     v.loadFromString(std::string(android::readAssetsFile(filename).data()));
 #else
     v.loadFromFile(filename);
 #endif
     if(v["Config"]["font"].getString() != ""){
         font = v["Config"]["font"].getString();
     }
 }

void EntityManager::loadJson(const std::string& filename)
{
	JsonBox::Value v;
	v.loadFromFile(filename);

	JsonBox::Object o = v.getObject();
	for(auto entity : o)
	{
		std::string key = entity.first;
		this->data[key] = dynamic_cast<Entity*>(new T(key, entity.second, this));
	}
}

/**
 * 从数据包加载任务
 */
bool
MCTaskAccessor::loadTasks(const char *aFilePath)
{
    bool result = false;
    
    do {
        JsonBox::Value in;
        JsonBox::Object o;
        JsonBox::Object tasksDict;
        JsonBox::Object::iterator oIter;
        
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
        CCString* pstrFileContent = CCString::createWithContentsOfFile(aFilePath);
        if (pstrFileContent) {
            in.loadFromString(pstrFileContent->getCString());
        }
#else
        in.loadFromFile(CCFileUtils::sharedFileUtils()->fullPathForFilename(aFilePath).c_str());
#endif
        
        CC_BREAK_IF(! in.isObject());
        
        tasksDict = in.getObject();
        for (oIter = tasksDict.begin(); oIter != tasksDict.end(); ++oIter) {
            std::string t_id = oIter->first;
            const char *s_t_id = t_id.c_str();
            mc_object_id_t o_id = {
                s_t_id[0],
                s_t_id[1],
                s_t_id[2],
                s_t_id[3]
            };
            MCTask *task = new MCTask;
            task->autorelease();
            if (task) {
                task->setID(o_id);
                o = oIter->second.getObject();
                task->loadTaskContent(o);
                /* 默认为未完成状态，然后会在加载存档数据的时候更新为正确状态 */
                task->setTaskStatus(MCTaskUncompleted);
                task->proto_ = NULL;
                tasks_->setObject(task, MCObjectIdToDickKey(o_id));
            }
        }
        
        result = true;
    } while (0);
    
    return result;
}

void
MCItemManager::loadEffectiveItems()
{
    JsonBox::Value v;
    JsonBox::Object root;
    JsonBox::Object::iterator rootIterator;
    MCEffectiveItem *item;
    MCEffectManager *effectManager = MCEffectManager::sharedEffectManager();
    
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
    CCString* pstrFileContent = CCString::createWithContentsOfFile(kMCEffectiveItemFilepath);
    if (pstrFileContent) {
        v.loadFromString(pstrFileContent->getCString());
    }
#else
    v.loadFromFile(CCFileUtils::sharedFileUtils()->fullPathForFilename(kMCEffectiveItemFilepath).c_str());
#endif
    
    root = v.getObject();
    for (rootIterator = root.begin(); rootIterator != root.end(); ++rootIterator) {
        const char *c_str_o_id = rootIterator->first.c_str();
        JsonBox::Object object = rootIterator->second.getObject();
        mc_object_id_t o_id = {
            c_str_o_id[0],
            c_str_o_id[1],
            c_str_o_id[2],
            c_str_o_id[3]
        };
        
        if (o_id.class_ == 'P') {
            item = MCEffectiveItem::create();
        } else {
            MCTrap *trap = new MCTrap;
            
            trap->init(o_id);
            trap->autorelease();
            item = trap;
        }
        CCString *ccstring;
        
        item->setID(o_id);
        ccstring = CCString::create(object["name"].getString().c_str());
        item->setName(ccstring);
        ccstring->retain();
        ccstring = CCString::create(object["description"].getString().c_str());
        item->setDescription(ccstring);
        ccstring->retain();
        ccstring = CCString::create(object["icon"].getString().c_str());
        item->setIcon(ccstring);
        ccstring->retain();
        
        /* effect-id */
        c_str_o_id = object["effect-id"].getString().c_str();
        mc_object_id_t e_id = {
            c_str_o_id[0],
            c_str_o_id[1],
            c_str_o_id[2],
            c_str_o_id[3]
        };
        MCEffect *effect = effectManager->effectForObjectId(e_id);
        item->effect = effect;
        effect->retain();
        
        item->setPrice(object["price"].getInt());
        item->radius = object["radius"].getInt() * 24 / CC_CONTENT_SCALE_FACTOR(); /* 24为一个单位 */
        item->hp = object["hp"].getInt();
        item->pp = object["pp"].getInt();
        item->positive_state = object["positive-state"].getInt();
        item->lasting_time = object["lasting-time"].isDouble()
                                ? (float) object["lasting-time"].getDouble()
                                : (float) object["lasting-time"].getInt();
        
        effectiveItems_->setObject(item, MCObjectIdToDickKey(o_id));
    }
}

void
MCItemManager::loadEquipmentItems()
{
    JsonBox::Value weapon;
    JsonBox::Value armor;
    JsonBox::Object root;
    JsonBox::Object::iterator rootIterator;
    MCOreManager *oreManager = MCOreManager::sharedOreManager();
    
    /* 读取武器 */
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
    CCString* pstrFileContent = CCString::createWithContentsOfFile(kMCEquipmentItemWeaponFilepath);
    if (pstrFileContent) {
        weapon.loadFromString(pstrFileContent->getCString());
    }
#else
    weapon.loadFromFile(CCFileUtils::sharedFileUtils()->fullPathForFilename(kMCEquipmentItemWeaponFilepath).c_str());
#endif
    
    root = weapon.getObject();
    for (rootIterator = root.begin(); rootIterator != root.end(); ++rootIterator) {
        const char *c_str_o_id = rootIterator->first.c_str();
        JsonBox::Object object = rootIterator->second.getObject();
        mc_object_id_t o_id = {
            c_str_o_id[0],
            c_str_o_id[1],
            c_str_o_id[2],
            c_str_o_id[3]
        };
        MCEquipmentItem *item = MCEquipmentItem::create(MCEquipment::MCWeapon);
        CCString *ccstring;
        
        item->setID(o_id);
        ccstring = CCString::create(object["name"].getString().c_str());
        item->setName(ccstring);
        ccstring->retain();
        ccstring = CCString::create(object["icon"].getString().c_str());
        item->setIcon(ccstring);
        ccstring->retain();
        item->setPrice(object["price"].getInt());
        JsonBox::Object damage = object["damage"].getObject();
        
        MCWeapon *equipment = dynamic_cast<MCWeapon *>(item->equipment_);
        
        /* effect-id */
        c_str_o_id = object["effect-id"].getString().c_str();
        mc_object_id_t e_id = {
            c_str_o_id[0],
            c_str_o_id[1],
            c_str_o_id[2],
            c_str_o_id[3]
        };
        MCEffectManager *effectManager = MCEffectManager::sharedEffectManager();
        MCEffect *effect = effectManager->effectForObjectId(e_id);
        equipment->attackEffect = effect;
        effect->retain();
        
        equipment->damage = MCMakeDiceType(damage["count"].getInt(), damage["size"].getInt());
        equipment->criticalHit = object["critical-hit"].getInt();
        JsonBox::Object diceRange = object["critical-hit-visible"].getObject();
        JsonBox::Object diceRangeDice = diceRange["dice"].getObject();
        equipment->criticalHitVisible.min = diceRange["min"].getInt();
        equipment->criticalHitVisible.max = diceRange["max"].getInt();
        equipment->criticalHitVisible.dice = MCMakeDiceType(diceRangeDice["count"].getInt(),
                                                              diceRangeDice["size"].getInt());
        diceRange = object["critical-hit-invisible"].getObject();
        diceRangeDice = diceRange["dice"].getObject();
        equipment->criticalHitInvisible.min = diceRange["min"].getInt();
        equipment->criticalHitInvisible.max = diceRange["max"].getInt();
        equipment->criticalHitInvisible.dice = MCMakeDiceType(diceRangeDice["count"].getInt(),
                                                              diceRangeDice["size"].getInt());
        equipment->distance = object["distance"].getInt();
        if (object["effect"].isInteger()) {
            equipment->effect = object["effect"].getInt();
            diceRange = object["effect-check"].getObject();
            diceRangeDice = diceRange["dice"].getObject();
            equipment->effectCheck.min = diceRange["min"].getInt();
            equipment->effectCheck.max = diceRange["max"].getInt();
            equipment->effectCheck.dice = MCMakeDiceType(diceRangeDice["count"].getInt(),
                                                          diceRangeDice["size"].getInt());
        } else {
            equipment->effect = MCNormalState;
        }
        
        /* consume Double */
        equipment->consume = object["consume"].isDouble()
                              ? (float) object["consume"].getDouble()
                              : (float) object["consume"].getInt();
        equipment->dexterity = object["dexterity"].getInt();
        
        /* action-effect String */
        equipment->actionEffect.assign(object["action-effect"].getString());
        
        /* 读取默认矿石，加载背包的时候更新为正确矿石 */
        item->ore_ = oreManager->defaultOre();
        equipmentItems_->setObject(item, MCObjectIdToDickKey(o_id));
    }
    
    /* 读取防具 */
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
//.........这里部分代码省略.........

/**
 * load all flags
 */
void
MCFlagManager::loadAllFlags()
{
    JsonBox::Value v;
    JsonBox::Object root;
    JsonBox::Object::iterator flagsIterator;
    JsonBox::Object flagValueRoot;
    const char *c_str_flag_id;
    mc_object_id_t flag_id;
    MCFlag *flag;
    
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
    CCString* pstrFileContent = CCString::createWithContentsOfFile(kMCFlagsFilepath);
    if (pstrFileContent) {
        v.loadFromString(pstrFileContent->getCString());
    }
#else
    v.loadFromFile(CCFileUtils::sharedFileUtils()->fullPathForFilename(kMCFlagsFilepath).c_str());
#endif
    
    root = v.getObject();
    
    for (flagsIterator = root.begin(); flagsIterator != root.end(); ++flagsIterator) {
        c_str_flag_id = flagsIterator->first.c_str();
        flagValueRoot = flagsIterator->second.getObject();
        flag_id.class_ = c_str_flag_id[0];
        flag_id.sub_class_ = c_str_flag_id[1];
        flag_id.index_ = c_str_flag_id[2];
        flag_id.sub_index_ = c_str_flag_id[3];
        
        flag = MCFlag::create(flag_id, flagValueRoot);
        sourceFlags_->setObject(flag, MCObjectIdToDickKey(flag_id));
    }
    
    /* 从存档读取数据 */
    string data = CCUserDefault::sharedUserDefault()->getStringForKey(kMCFlagsKey, "");
    if (MCGameState::sharedGameState()->isSaveFileExists() && data.size() > 0) {
#if MC_DEBUG_SAVEDATA == 1
        const char *output = data.c_str();
#else
        const char *input = data.c_str();
        char  *output;
        mc_size_t len = strlen(input);
        MCBase64Decode((mc_byte_t *) input, len, (mc_byte_t **) &output);
#endif
        data.assign(output);
        vector<string> result = split(data, ",");
        for (vector<string>::iterator iterator = result.begin(); iterator != result.end(); ++iterator) {
            if (iterator->at(4) != '-') { /* 第4位为separator,若非则为不合法数据 */
                continue;
            }
            mc_object_id_t o_id = {
                iterator->at(0),
                iterator->at(1),
                iterator->at(2),
                iterator->at(3)
            };
            string count = iterator->substr(5);
            MCFlagState state = atoi(count.c_str()) - 1; /* MCInvalidState为-1。。。储存的时候多加了1。。。 */
            MCFlag *flag = (MCFlag *) flags_->objectForKey(MCObjectIdToDickKey(o_id));
            if (flag) {
                flag->setState(state);
            }
        }
    }
    
    /* 初始化特殊flag */
    taskFlag_ = flagForObjectId(kMCTaskFlagId);
    areaBlockedFlag_ = flagForObjectId(kMCAreaBlockedFlagId);
    spawnFlag_ = flagForObjectId(kMCSpawnFlagId);
}

void
MCMercenaryManager::loadMercenaries()
{
    JsonBox::Value v;
    JsonBox::Object mercenaries;
    JsonBox::Object::iterator mercenariesIterator;
    MCDiceMaker *diceMaker = MCDiceMaker::sharedDiceMaker();
    CCString *ccstring;
    MCEffectManager *effectManager = MCEffectManager::sharedEffectManager();
    MCSkillManager *skillManager = MCSkillManager::sharedSkillManager();
    
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
    CCString* pstrFileContent = CCString::createWithContentsOfFile(kMCMercenariesFilepath);
    if (pstrFileContent) {
        v.loadFromString(pstrFileContent->getCString());
    }
#else
    v.loadFromFile(CCFileUtils::sharedFileUtils()->fullPathForFilename(kMCMercenariesFilepath).c_str());
#endif

    mercenaries = v.getObject();

    for (mercenariesIterator = mercenaries.begin();
         mercenariesIterator != mercenaries.end();
         ++mercenariesIterator) {
        const char *c_str_o_id = mercenariesIterator->first.c_str();
        mc_object_id_t m_id = {
            c_str_o_id[0],
            c_str_o_id[1],
            c_str_o_id[2],
            c_str_o_id[3]
        };
        JsonBox::Object mercenaryObject = mercenariesIterator->second.getObject();
        MCMercenary *mercenary;
        
        if (m_id.sub_class_ == '9') {
            mercenary = new MCMercenary;
        } else if (m_id.sub_class_ == '8') {
            mercenary = new MCNervousMercenary;
        } else {
            CCAssert(false, "数据错误！");
            continue;
        }
        
        mercenary->init();
        mercenary->autorelease();
        mercenary->setID(m_id);
        /* name String */
        ccstring = CCString::create(mercenaryObject["name"].getString().c_str());
        mercenary->setName(ccstring);
        ccstring->retain();
        /* face String */
        ccstring = CCString::create(mercenaryObject["face"].getString().c_str());
        mercenary->setFace(ccstring);
        ccstring->retain();
        /* build sprite sheet file path */
        ccstring = CCString::createWithFormat("%s/%c-%s",
                                              kMCSpriteSheetBaseDirectory,
                                              c_str_o_id[0] | 32,
                                              c_str_o_id + 1);
        mercenary->setSpriteSheet(ccstring);
        ccstring->retain();
        /* effect-id */
        c_str_o_id = mercenaryObject["effect-id"].getString().c_str();
        mc_object_id_t e_id = {
            c_str_o_id[0],
            c_str_o_id[1],
            c_str_o_id[2],
            c_str_o_id[3]
        };
        MCEffect *effect = effectManager->effectForObjectId(e_id);
        mercenary->setAttackEffect(effect);
        effect->retain();
        /* cost Integer */
        mercenary->cost_ = mercenaryObject["cost"].getInt();
        /* HP Integer */
        mercenary->setHP(mercenaryObject["HP"].getInt());
        mercenary->setMaxHP(mercenary->getHP());
        /* dying Integer 胆怯佣兵独有 */
        if (mercenary->mercenaryType_ == MCMercenary::MCNervousMercenary) {
            dynamic_cast<MCNervousMercenary *>(mercenary)->setDying(mercenaryObject["dying"].getInt());
        }
        /* PP Integer */
        mercenary->setPP(mercenaryObject["PP"].getInt());
        mercenary->setMaxPP(mercenary->getPP());
        /* consume Double */
        mercenary->setConsume(mercenaryObject["consume"].isDouble()
                              ? (float) mercenaryObject["consume"].getDouble()
                              : (float) mercenaryObject["consume"].getInt());
        /* exhaustion Integer */
        mercenary->setExhaustion(mercenaryObject["exhaustion"].getInt());
        /* tired Integer */
        mercenary->setTired(mercenaryObject["tired"].getInt());
        /* dexterity Integer */
        mercenary->setDexterity(mercenaryObject["dexterity"].getInt());
        /* AC Integer */
        mercenary->setAC(mercenaryObject["AC"].getInt());
        /* armor-check-penalty Integer */
        mercenary->setArmorCheckPenalty(mercenaryObject["armor-check-penalty"].getInt());
        /* damage Object */
//.........这里部分代码省略.........