laCollectable.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.

*/

//
// FILE: laCollectable.cpp
//
// Copyright (C) 2007-2013 Atanas Laskov, <latanas@gmail.com>
//
#include "stdafx.h"
#include "Core-Level-JR.h"

laCollectable::laCollectable(void)
{
    _nHP = _nXP = 0;
    _bWeapon = /*_bPotion =*/ M_FALSE;
    _pPotion = NULL;

    pItem = NULL;

    _bTaken = M_FALSE;

    _dRotAngle = 0;
    _nWaveIndex = rand()%M_SEGW;

    _ptPivot.bSimulateCollision =  _ptPivot.bSimulateGravitation = M_FALSE;
}

laCollectable::~laCollectable(void)
{
    if(pItem) delete pItem;
    if(_pPotion && _bOwnPotionObject) delete _pPotion;
}

void laCollectable::respawn()
{
    laObject::respawn();

    _bTaken = M_FALSE;
    _dRotAngle = 0;
}

// Load collectable from the TS file
//
void laCollectable::load(class laFileParser *fp)
{
    ERRORLEVEL_BEGIN;
    laObject::load(fp);

    // Load Fx to be palyed on collect
    _load_collect_fx();

    // Pivot tweak
    _ptPivot.size  = laPoint3(M_UNIT/2, M_UNIT/2);

    // HP value
    //
    try{
        _nHP = getObject()->getInt("value-hp");
    }
    catch(laError_PropertyNotDefined&){ _nHP = 0; }

    // XP value
    //
    try{
        _nXP = getObject()->getInt("value-xp");
    }
    catch(laError_PropertyNotDefined&){ _nXP=0; }

    // Weapon value
    //
    try{
        laElement* pe = (laElement*) (getObject()->getChild("weapon"));
        _bWeapon = M_TRUE;

        pItem = new rpgWeapon();
        pItem->load( pe );
    }
    catch(laError_PropertyNotDefined&){ _bWeapon = M_FALSE; }

    // Potion value
    //
    try{
         laElement* pe = (laElement*) (getObject()->getChild("potion"));

         _pPotion = new rpgPotion();
         _bOwnPotionObject = M_TRUE;

        _pPotion->load( pe );

        //Initialise a effect duration trigger
        _ttDuration.parameters( _pPotion->dDuration );
        _ttDuration.enable(M_FALSE);

    } catch(laError_PropertyNotDefined&){ _pPotion = NULL; }

    _fxCollect.position( laPoint3(0, -_ptPivot.size.y()/2) );

    ERRORLEVEL_END;
}

// Create dynamically
//
void laCollectable::create(laPoint3 pos, rpgPotion* pPot)
{
    ERRORLEVEL_BEGIN;
    laObject::create(pos);

    // Load Fx to be palyed on collect
    _load_collect_fx();

    // Pivot tweak
    _ptPivot.y( _ptPivot.y() - M_UNIT/2.1);

    _ptPivot.size.x( M_ABS( getObject()->getModel(0)->boundaryMax().x() - getObject()->getModel(0)->boundaryMin().x())*0.8 );
    _ptPivot.size.y( M_ABS( getObject()->getModel(0)->boundaryMax().y() - getObject()->getModel(0)->boundaryMin().y())*0.8 );

    _color = getObject()->getColor("color");

    // Potion value
    //
    if(pPot)
    {
        _pPotion = pPot;
        _bOwnPotionObject = M_FALSE;

        //Initialise a effect duration trigger
        _ttDuration.parameters( _pPotion->dDuration );
        _ttDuration.enable(M_FALSE);
    }

    _fxCollect.position( laPoint3(0, -_ptPivot.size.y()/2) );

    ERRORLEVEL_END;
}

void laCollectable::_load_collect_fx()
{
    // Load Fx to be palyed on collect
    //
    laFileParser fxp;
    char strFilePath[128]=M_DIR_FX;
    fxParticleSystem_params param;

    strcat(strFilePath, "creature_collect.fx");
    fxp.fileOpen(strFilePath);
    fxp.readObj(&param, M_FALSE);
    fxp.fileClose();

    _fxCollect.create(param);
    _fxCollect.enable(M_TRUE);
    _fxCollect.enableGeneration(M_TRUE);
    _fxCollect.ctlRewind();

    _fxCollect.parameters.p_rgb = getObject()->getColor("color");
    if( getObject()->getFxCnt()>=1 )
    {
        getObject()->getFx(0)->parameters.p_rgb[0]= _fxCollect.parameters.p_rgb.r();
        getObject()->getFx(0)->parameters.p_rgb[1]= _fxCollect.parameters.p_rgb.g();
        getObject()->getFx(0)->parameters.p_rgb[2]= _fxCollect.parameters.p_rgb.b();
    }
}

// Actions to be performed when the item is collected
//
M_BOOL laCollectable::_collect_actions()
{
    laPlayer *pPlayer = getLevelObject()->getPlayer();
    M_BOOL bAnimateResponsiblity = M_FALSE; // same type of ptotion is collected N times; only 1 obj animates

    _bTaken = M_TRUE;

    // HP value
    if(_nHP)
        pPlayer->heal( _nHP );

    // XP value
    if(_nXP)
        pPlayer->collect( _nXP );

    // Weapon value
    if(_bWeapon)
        pPlayer->collect( pItem );

    // Potion value
    //
    if(_pPotion)
    {
        bAnimateResponsiblity = pPlayer->collect( _pPotion );
        _pPotion->pAnimatorObj = this;

        _ttDuration.enable();
        _ttDuration.reset();
    }

    // Play collect Fx
    _fxCollect.reset();
    return bAnimateResponsiblity;
}

// Animate collectable item
//
void laCollectable::animate(laTimer &t)
{
    ERRORLEVEL_BEGIN;

    // Default animate()
    //
    laObject::animate(t);
    _fxCollect.animate(t);

    // Potion effect
    //
    if(_pPotion /*&& _bAnimateResponsiblity*/) _potion_mechanic();

    // Collect mechanic
    //
    if( !_bTaken ) {
        _collect_mechanic();

        // Rotate
        _ptPivot.angleY += 100*t.delta();

        // Wiggle a bit
        ASSERT(getSegmentObject(), "Nil segment object");
        _ptPivot.y( _ptPivot.y() + getSegmentObject()->getWave(_nWaveIndex) * M_UNIT * 0.1 * t.delta() );
    }

    ERRORLEVEL_END;
}

// Collect mechanic
//
void laCollectable::_collect_mechanic()
{
    laPlayer *pPlayer = (laPlayer*)getLevelObject()->getPlayer();

    laLine2 ln(pPlayer->getPosition(), _ptPivot);
    _dPlayerDistance = ln.lenght();

    if( pPlayer->boundingRect().intersecting(boundingRect()) )
    {
        this->_collect_actions();
    }
}

// Potion effect mechanic
//
void laCollectable::_potion_mechanic()
{
    laTimer *pt = laSystemIntegrator::getEnvironment()->getTimer();
    laPlayer *pPlayer = (laPlayer*)getLevelObject()->getPlayer();
    rpgSheet_PlayableChar* ps = ( (rpgSheet_PlayableChar*)(pPlayer->getSheet()) );
    unsigned n = ps->properties()->potions.findByName( _pPotion->strName );

    if( n < ps->properties()->potions.size() )
    {
        laObject *pAnimator = ((rpgPotion*)(ps->properties()->potions[n]))->pAnimatorObj;
        if( pAnimator != this )
            return; // somebody else takes care for this potion;
    }
    //else return;

    _ttDuration.animate(*pt);

    // Reset the potion effect?
    //
    if( _pPotion->bResetTime ) resetPotion();
    else _pPotion->dDurationReminder = _ttDuration.reminder() * _pPotion->dDuration;

    // don't mess up with expired potions
    // important to ignore them in case there are several laCollectables
    // of the same potion type
    if(!_ttDuration.isEnabled() ) return;

    // Time to remove potion effect?
    //
    if( _ttDuration.isElapsed())
    {
        rpgSheet_PlayableChar* ps = ( (rpgSheet_PlayableChar*)(pPlayer->getSheet()) );
        unsigned nIndex = ps->properties()->potions.findByName( _pPotion->strName );

        if( nIndex < ps->properties()->potions.size())
            ps->properties()->potions.remove( nIndex );

        _ttDuration.enable(M_FALSE);
    }
    else if( _pPotion->dDurationReminder < 1 )
    {
        _disable_potion_icon();

        // Trigger removal animation
        //
        /*rpgSheet_PlayableChar* ps = ( (rpgSheet_PlayableChar*)(pPlayer->getSheet()) );
        unsigned n = ps->properties()->potions.findByName( _pPotion->strName );

        if( n < ps->properties()->potions.size() )
        {
            uiIcon3D* pIcon =pPlayer->getPotionsGUI()->getIcon(n);
            if( (!pIcon->isDiscarding()) ) pIcon->discardingIcon();
        }*/
    }
}

void laCollectable::resetPotion()
{
    ERRORLEVEL_BEGIN;

    _ttDuration.enable();
    _ttDuration.reset();
    _pPotion->reset();

    //MSG("reset");

    // Disable any removal animation, possibly present
    //
    /*rpgSheet_PlayableChar* ps = ( (rpgSheet_PlayableChar*)(pPlayer->getSheet()) );
    unsigned n = ps->properties()->potions.findByName( _pPotion->strName );

    //MSG("%d %d", n, ps->properties()->potions.size());
    if( n < ps->properties()->potions.size() )
    {
        uiIcon3D* pIcon =pPlayer->getPotionsGUI()->getIcon(n);
        pIcon->discardingIcon(M_FALSE);
    }*/

    if( !_reset_potion_icon() )
    {
        // Expired; collect anew
        _collect_actions();
        //pPlayer->collect( _pPotion );
        _reset_potion_icon();
        //MSG("drink");

        //ps->properties()->potions.add( _pPotion );

        /*rpgSheet_PlayableChar* ps = ( (rpgSheet_PlayableChar*)(pPlayer->getSheet()) );
        unsigned n = ps->properties()->potions.findByName( _pPotion->strName );

        uiIcon3D* pIcon =pPlayer->getPotionsGUI()->getIcon(n);
        pIcon->discardingIcon(M_FALSE);*/
    }

    ERRORLEVEL_END;
}

M_BOOL laCollectable::_reset_potion_icon()
{
    ASSERT(_pPotion, "Nil potion");
    laPlayer *pPlayer = (laPlayer*)getLevelObject()->getPlayer();
    rpgSheet_PlayableChar* ps = ( (rpgSheet_PlayableChar*)(pPlayer->getSheet()) );
    unsigned n = ps->properties()->potions.findByName( _pPotion->strName );

    if( n < ps->properties()->potions.size() )
    {
        uiIcon3D* pIcon = pPlayer->getPotionsGUI()->getIcon(n);
        pIcon->discardingIcon(M_FALSE);

        return M_TRUE;
    }

    return M_FALSE;
}

void laCollectable::_disable_potion_icon()
{
    ASSERT(_pPotion, "Nil potion");
    laPlayer *pPlayer = (laPlayer*)getLevelObject()->getPlayer();
    rpgSheet_PlayableChar* ps = ( (rpgSheet_PlayableChar*)(pPlayer->getSheet()) );
    unsigned n = ps->properties()->potions.findByName( _pPotion->strName );

    if( n < ps->properties()->potions.size() )
    {
        uiIcon3D* pIcon =pPlayer->getPotionsGUI()->getIcon(n);
        if( !pIcon->isDiscarding() ) pIcon->discardingIcon();
    }
}

void laCollectable::drawGeometry(laRenderer *r, laPoint3 ptBasePos)
{
    ERRORLEVEL_BEGIN;

    // Draw the prop
    //
    if(!_bTaken)
        laObject::drawGeometry(r, ptBasePos);
    else
    {
        // Draw only the nested objects
        _nested_draw(r, ptBasePos);
    }

    ERRORLEVEL_END;
}

void laCollectable::_drawFx_positioned(laRenderer *r) {
    r->transPush();
    r->transTranslate( laPoint3(0,0, +M_UNIT/2.0) );
    _fxCollect.draw(r);
    r->transPop();

    if(!_bTaken) laObject::_drawFx_positioned(r);
}