loadstate.cpp from FreePop at Krugle

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/***************************************************************************
                           loadstate.cpp
                           -------------------
    begin                : Thu Feb 3 2005
    copyright            : (C) 2005 by Brendon Lloyd Higgins
    email                : bh_doc@users.sourceforge.net
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program 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 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include <client.h>
#include <entityclientfactory.h>
#include <gamestate.h>
#include <loadstate.h>
#include <maptileclient.h>
#include <playerclient.h>
#include <rules.h>
#include <worldclient.h>
#include <ClanLib/core.h>

LoadState::LoadState(CL_NetSession* ns, const CL_NetComputer& s,
    const CL_NetStream& i, PlayerList* p, PlayerClient* m):
    netsession(ns),
    server(s),
    startInput(new CL_NetStream(i)),
    players(p),
    me(m) {
}

LoadState::~LoadState() {
}
    
ClientState* LoadState::go(Client* client) {
    Rules* rules = new Rules(startInput->input);
    loadSprites(rules);
    WorldClient* world = new WorldClient(&startInput->input, netsession, rules,
                                          players);
    bool startPaused = startInput->input.read_bool8();

    startInput->output.write_bool8(true);
    delete startInput;

    return new GameState(netsession, server, players, me, rules, world,
                         startPaused);
}

void LoadState::loadSprites(Rules* rules) {
    CL_ProgressBar pb(CL_Rect(0, 40, 200, 60),
                      EntityClientFactory::getSpriteStages(),
                      app.getGuiManager(), app.getStyleManager());
    CL_Signal_v1<int> sig;
    CL_Slot slot = sig.connect(this, &LoadState::loadSpritesCallback, &pb);
    MapTileClient::loadSprites(rules);
    EntityClientFactory::loadSprites(sig, rules);
}

void LoadState::loadSpritesCallback(int stage, CL_ProgressBar* pb) {
    pb->set_progress(stage);
    CL_Display::clear(CL_Color(127, 0, 0));
    CL_Surface("gui/main/loading", app.getResources()).draw(0, 0);
    app.getGuiManager()->show();
    CL_Display::flip();
    CL_System::keep_alive();
}
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