ns_menu_game.cpp

需要clanlib 库 这个改进版的 在linux 很好玩 但是一定要有clanlib

// NS_Menu_Game.cpp: implementation of the NS_Menu_Game class.
//
//////////////////////////////////////////////////////////////////////

#include "NS_Menu_Game.h"
#include <iostream>

#include "ClanLib/display.h"
#include "../ZZ_Theme/listbox_zz.h"
#include "../NatureParkGame.h"

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

NS_Menu_Game::NS_Menu_Game(NS_MenuManager & menu_manager,
                           CL_StyleManager & style_manager,
                           std::string const & path_to_resource)
    :   NS_MenuGeneric(menu_manager, style_manager, path_to_resource),
	back_ground(new CL_Sprite("menu_right_bottom", style_manager.get_resources()))
{
	CL_Button * btn_to_main_menu = dynamic_cast<CL_Button*>(comp_manager->get_component(("btn_to_main_menu")));
	if (btn_to_main_menu)
		slots.connect(btn_to_main_menu->sig_clicked(), this, &NS_Menu_Game::on_switch_to_main_menu);

	CL_Button * btn_to_play = dynamic_cast<CL_Button*>(comp_manager->get_component(("btn_to_play")));
	if (btn_to_play)
		slots.connect(btn_to_play->sig_clicked(), this, &NS_Menu_Game::on_switch_to_play);

    list_player1 = dynamic_cast<CL_ListBox*>(comp_manager->get_component("list_player1"));
	list_player2 = dynamic_cast<CL_ListBox*>(comp_manager->get_component("list_player2"));
    
	is_need_update = true;
}

NS_Menu_Game::~NS_Menu_Game()
{
	delete back_ground;
}

void NS_Menu_Game::on_quit()
{
    NS_MenuGeneric::quit();
}

void NS_Menu_Game::on_switch_to_main_menu()
{
    switch_to("menu_main");
}

void NS_Menu_Game::on_switch_to_play()
{
    NatureParkGame g(list_player1->get_current_text(), list_player2->get_current_text());
    g.run();
}

void NS_Menu_Game::switch_to(std::string const & menu_name)
{
	is_need_update = true;
    NS_MenuGeneric::switch_to(menu_name);
}

void NS_Menu_Game::on_begin_paint()
{
    back_ground->draw(0,0);
}

//-----------------------------------------------------------------------------
void NS_Menu_Game::run_task()
{
	if (is_need_update)
	{
        FILE *player_info = fopen("player_info.dat", "r");
        int n;
        fscanf(player_info, "%d\n", &n);
        vector <string> player_name;
        for (int i = 0; i < n; i++) {
            char s[100];
            fgets(s, 100, player_info);
            player_name.push_back(s);
        }
        fclose(player_info);
        if (list_player1) {
            list_player1->clear();
            for (int i = 0; i < n; i++)
                list_player1->insert_item(new CL_ListBoxItem_ZZ(player_name[i], true), -1, true);
            list_player1->sort();
            list_player1->set_current_item(0);
        }
        if (list_player2) {
            list_player2->clear();
            for (int i = 0; i < n; i++)
                list_player2->insert_item(new CL_ListBoxItem_ZZ(player_name[i], true), -1, true);
            list_player2->sort();
            list_player2->set_current_item(1);
        }
		is_need_update = false;
    }
	NS_MenuGeneric::run_task();
}