Method recurrentGenerateTreeNode

src/GameTree.cpp:276–329

}

shared_ptr<GameTreeNode> GameTree::recurrentGenerateTreeNode(json node_json, const shared_ptr<GameTreeNode>& parent) {
    json meta = node_json["meta"];
    string round = meta["round"];
    if(round.empty()){
        throw runtime_error("node json get round null pointer");
    }

    if(! (round == "preflop"
          || round == "flop"
          || round == "turn"
          || round == "river"
          )
            ){
        throw runtime_error(tfm::format("round %s not found",round));
    }

    string node_type = meta["node_type"];
    if(node_type.empty()){
        throw runtime_error("node json get round null pointer");
    }
    if (! (   node_type == "Terminal"
           || node_type == "Showdown"
           || node_type ==  "Action"
           || node_type ==  "Chance"
    )
            ){
        throw runtime_error(tfm::format("node type %s not found",node_type));
    }

    if(node_type == "Action") {
        // 孩子节点的动作，存在list里
        auto childrens_actions = node_json["children_actions"].get<std::vector<string>>();
        // 孩子节点本身，同样存在list里,和上面的children_actions 一一对应,事实上两者的长度一致
        vector<json> childrens = node_json["children"].get<std::vector<json>>();
        if (childrens.size() != childrens_actions.size()) {
            throw runtime_error("action node child length mismatch");
        }
        return std::dynamic_pointer_cast<GameTreeNode>(this->generateActionNode(meta, childrens_actions, childrens, round,parent));
    }
    else if(node_type == "Showdown") {
        return std::dynamic_pointer_cast<GameTreeNode>(this->generateShowdownNode(meta, round,parent));
    }
    else if(node_type == "Terminal") {
        return std::dynamic_pointer_cast<GameTreeNode>(this->generateTerminalNode(meta, round,parent));
    }
    else if(node_type == "Chance") {
        auto childrens = node_json["children"].get<std::vector<json>>();
        if(childrens.size() != 1) throw runtime_error("Chance node should have only one child");
        return std::dynamic_pointer_cast<GameTreeNode>(this->generateChanceNode(meta, childrens[0], round,parent));
    }
    else{
        throw runtime_error(tfm::format("node type %s not found",node_type));
    }
}

shared_ptr<ActionNode>
GameTree::generateActionNode(json meta, vector<string> childrens_actions, vector<json> childrens_nodes, const string& round,