rpgSheet_Fighter.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: laCreatureSheet.cpp
//
// This class stores the RPG properites for fighting creatures (player and mobs)
//
// Copyright (C) 2007-2013 Atanas Laskov, <latanas@gmail.com>
//
#include "stdafx.h"
#include "RPG.h"
#include "Core-Level-JR.h"

void rpgSheet_Fighter_Props::load(class laPropertyList* pElement)
{

    rpgSheet_Acrobate_Props::load(pElement);

    nHP_Max = nHP = pElement->getInt( "HP" );
    nAP = pElement->getInt( "AP" );

    // Load Attacks
    //
    int i=0;

    try{
        while(1)
        {
            char s[16];
            rpgAttack a;

            sprintf(s, "attack-%d",i++);
            a.load( pElement->getChild(s) );

            vAttacks.push_back(a);
        }
    }
    catch(laError_PropertyNotDefined&) { /*MSG("%d attacks", i);*/ };

    // Load DPs
    //
    for(unsigned i=0; i<M_ELEMENTS; i++)
    {
        char s[16];
        sprintf(s, "DP-%d",i);
        arDP[i] = pElement->getDouble( s );
    }
}

void rpgSheet_Fighter_Props::load(class laFileParser *fp)
{
    rpgSheet_Acrobate_Props::load(fp);

    fp->readInt(&nHP_Max);
    nHP = nHP_Max;

    fp->readUnsigned(&nAP);

    // Load attacks
    //
    std::vector<rpgAttack>::iterator iter;

    for(iter=vAttacks.begin(); iter!=vAttacks.end(); iter++)
    {
        fp->readLabel();
        iter->load(fp);
    }

    // Load DPs
    //
    for(unsigned i=0; i<M_ELEMENTS; i++) fp->readDouble( arDP + i );
}

// Perform attack
//
unsigned rpgSheet_Fighter::attack( unsigned nAttack, rpgSheet_Fighter* pTarget )
{
    return pTarget->hit( this->modAttack(nAttack) );
}

// Suffer an attack
//
unsigned rpgSheet_Fighter::hit( rpgAttack attack  )
{
    int     nAttackPower    = attack.nAP;
    double dElementDefense  = M_MIN(1, this->modDP(attack.nElement) );

    // The defensive throw represents the % of damage that is resisted by the creature;
    // Given an element defense in the range [0;1], the defensive thorw varies randomly
    // in the range [50%;100%] of that value.
    //
    double dDefensiveThrow = dElementDefense/2.0 + ((rand()%100)/100.0) * (dElementDefense/2.0);
    int nDamage = M_MAX(0, nAttackPower * (1 - dDefensiveThrow) );

    properties()->nHP = M_MAX(0, properties()->nHP - nDamage);
    return nDamage;
}

// Heal self
//
unsigned rpgSheet_Fighter::heal( unsigned hp_heal )
{
    if( !isAlive() ) return 0;

    unsigned nHP_Old = properties()->nHP;
    properties()->nHP = M_MIN( (properties()->nHP + hp_heal), properties()->nHP_Max);

    return properties()->nHP - nHP_Old;
}