stageLoad.cpp

/*

Jump'n'Run Engine
http://www.atanaslaskov.com/jnr/

BSD LICENSE
Copyright (c) 2007-2013, Atanas Laskov
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL ATANAS LASKOV BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

#include "stdafx.h"
#include "laStagesJR.h"

class laLoadingThread: public laThread, public laProgressiveTask
{
    JR_Objects* _pObjects;
    M_BOOL _bReady;

    char _strFileName[128];

public:
    laLoadingThread(){
        _pObjects = NULL;
        _bReady = M_FALSE;
        _strFileName[0] = '\0';
    }

    ~laLoadingThread(){
    }

    void setFileName(char*strFileName) {
        strcpy(_strFileName, strFileName);
    }

    M_BOOL isReady(){
        return _bReady;
    }

    JR_Objects* getObjects(){
        ASSERT(_pObjects, "Nil objects");
        return _pObjects;
    }

    // Loading thread runs in parallel to the main game thread
    //
    virtual void run()
    {
        try
        {
            // Create new game objects; These objects are then passed to the JR Game stage;
            // The game takes care to erase them upon desactivation.
            //
            progressReset("Creating game objects...");
            ASSERT(!_pObjects, "Any old objects must be discarded");
            _pObjects = new JR_Objects();

            // Load sounds
            //
            progressIncrease(0.1, "Loading sounds and music...");

            _pObjects->pIntroSound = laSystemIntegrator::getSound()->soundCreate("sound\\loading(Aesma Daeva - Lost Melody).mp3");
            _pObjects->pIntroSound->play();

            _pObjects->pMusicLoop = laSystemIntegrator::getSound()->soundCreate("sound\\loop(In The Desert).mp3");
            _pObjects->pMusicLoop->setLoopMode(M_TRUE, 95);

            //Load a level
            //
            progressIncrease(0.1);

            progressSubtask( &(_pObjects->level), 0.7);
            laTexture::toggleLazyLoad(M_TRUE);
            _pObjects->level.load( _strFileName );
            laTexture::toggleLazyLoad(M_FALSE);
            progressSubtask(NULL,0);

            // Ready
            //
            progressIncrease(0.1, "Ready.");

            _pObjects->pIntroSound->stop();
            _bReady = M_TRUE;
        }
        // Catch errors
        //
        catch(laError&  error)
        {
            ::LeaveCriticalSection(&cs);

            MSG("uiParametersDialog::run() catched the following error:\n\n %s", error.getText());
            laSystemIntegrator::getEnvironment()->terminate();
        }
    }
};

stageLoad::stageLoad(void) {
    _pThread = NULL;
    _bFirstRun = M_TRUE;
}

stageLoad::~stageLoad(void) {
    delete _uiProgress;
}

void stageLoad::onInit()
{
    ERRORLEVEL_BEGIN;

    _uiDesktop.create("ui\\desktop-mm.dsk");

    _uiProgress = new uiContainer("ui\\dialogs\\gen-progress-centered.cui");
    ((uiLabel*)(_uiProgress->get(1)))->setText("Loading...");
    _uiDesktop.insert(_uiProgress);

    ERRORLEVEL_END;
}

void stageLoad::onActivate()
{
    ERRORLEVEL_BEGIN;
    laSystemIntegrator::getEnvironment()->setTitle("LOADING...");

    ASSERT(!_pThread, "Old thread object must be discarded");
    _pThread = new laLoadingThread();

    if(_bFirstRun)
    {
        // Load the main-menu demo level
        _pThread->setFileName( M_INTRO_LEVEL );
        laSystemIntegrator::getSettings()->load_player_name[0] = '\0';  // No player profile
    }
    else
    {
        // Load a specified level
        _pThread->setFileName( laSystemIntegrator::getSettings()->load_level );
    }

    ::laSystemIntegrator::getEnvironment()->thread(_pThread);
    ((uiProgress*)(_uiProgress->get(2)))->setTask(_pThread);

    ERRORLEVEL_END;
}

void stageLoad::onDeactivate()
{
    ERRORLEVEL_BEGIN;

    // Destroy the loading thread;
    // NOTE: The JR_Objects are dynamically allocated and are not be destroyed by the thread
    //
    ((uiProgress*)(_uiProgress->get(2)))->setTask(NULL);

    if( _pThread )
    {
        delete _pThread;
        _pThread = NULL;
    }

    ERRORLEVEL_END;
}

void stageLoad::onFini() {
}

void stageLoad::onFrame(laRenderer *pr, laInputManager *pi, laTimer *pt)
{
    ERRORLEVEL_BEGIN;
    ASSERT(_pThread, "Nil thread object");

    // Draw interface
    //
    pr->modeInterface();
    _uiDesktop.drawBackground();
    _uiDesktop.reply();
    _uiDesktop.draw();

    //Handle input
    //if(in::key(KEY_ESCAPE)) ::laSystemIntegrator::getEnvironment()->terminate();

    // Moitor thread status
    //
    ::EnterCriticalSection( &(_pThread->cs) );
    ((uiLabel*)(_uiProgress->get(1)))->setText(_pThread->status());
    ::LeaveCriticalSection( &(_pThread->cs) );

    if( _pThread->isReady() )
    {
        unsigned nTargetStage;

        ::laTexture::loadForceAll();        // force-load all requested textures

        if(_bFirstRun) {
            // Go to JR main menu if this is the first run for laLoad
            _bFirstRun = M_FALSE;
            nTargetStage = M_STAGE_MENU;
        }
        else {
            // Go to JR Game otherwise
            nTargetStage = M_STAGE_GAME;
        }

        stageJR *jr = ((stageJR*)(laSystemIntegrator::getGame()->getStage(nTargetStage)));
        jr->setGameObjects( _pThread->getObjects() );

        laSystemIntegrator::getGame()->setStage(nTargetStage);
    }

    ERRORLEVEL_END;
}