www.pudn.com > uoth_src.zip > Filter.cpp

//----------------------------------------------------------------------------- 
//  
// @doc 
// 
// @module	Filter.cpp - Treasure and region filter class | 
// 
// This module contains the treasure and region filter class. 
// 
// Copyright (c) 2002 - Descartes Systems Sciences, Inc. 
// 
// 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. Neither the name of Descartes Systems Sciences, Inc nor the names of  
//    its contributors may be used to endorse or promote products derived  
//    from this software without specific prior written permission. 
// 
// 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 THE COPYRIGHT  
// OWNER OR CONTRIBUTORS 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. 
// 
// @end 
// 
// $History: Cnf.cpp $ 
//       
//----------------------------------------------------------------------------- 
 
#include "stdafx.h" 
#include "Filter.h" 
#include "Region.h" 
#include "Treasure.h" 
#include "Character.h" 
#include "uoth.h" 
 
// 
// Debug NEW 
// 
 
#if defined (_DEBUG) 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
// 
// Externals 
// 
 
extern HWND g_hWndMain; 
extern UINT g_umAppUpdate; 
 
//----------------------------------------------------------------------------- 
// 
// @mfunc  constructor. 
// 
// @rdesc None. 
// 
//----------------------------------------------------------------------------- 
 
CFilter::CFilter () 
{ 
	m_pfTreasureHasMap = NULL; 
	m_nTreasures = 0; 
	m_pfRegionHasMap = NULL; 
	m_nRegions = 0; 
	for (int i = 0; i < Max_Level; i++) 
		m_afLevels [i] = true; 
	m_fEnableMineFilter = false; 
	m_fEnableLevelFilter = false; 
	m_fEnableTackFilter = false; 
} 
 
//----------------------------------------------------------------------------- 
// 
// @mfunc  destructor. 
// 
// @rdesc None. 
// 
//----------------------------------------------------------------------------- 
 
CFilter::~CFilter () 
{ 
	if (m_pfTreasureHasMap) 
		delete [] m_pfTreasureHasMap; 
	if (m_pfRegionHasMap) 
		delete [] m_pfRegionHasMap; 
} 
 
//----------------------------------------------------------------------------- 
// 
// @mfunc Update the filter flags 
// 
// @rdesc None. 
// 
//----------------------------------------------------------------------------- 
 
void CFilter::Update () 
{ 
 
	// 
	// If we need more treasures, then realloc 
	// 
 
	if (CTreasure::gm_vTreasures .GetCount () > m_nTreasures) 
	{ 
		if (m_pfTreasureHasMap) 
			delete [] m_pfTreasureHasMap; 
		m_nTreasures = (int) CTreasure::gm_vTreasures .GetCount (); 
		m_pfTreasureHasMap = new bool [m_nTreasures]; 
	} 
 
	// 
	// If we need more regions, then realloc 
	// 
 
	if (CRegion::gm_vRegions .GetCount () > m_nRegions) 
	{ 
		if (m_pfRegionHasMap) 
			delete [] m_pfRegionHasMap; 
		m_nRegions = (int) CRegion::gm_vRegions .GetCount (); 
		m_pfRegionHasMap = new bool [m_nRegions]; 
	} 
 
	// 
	// Initialize the flags 
	// 
 
	memset (m_pfTreasureHasMap, 0, sizeof (bool) * m_nTreasures); 
	memset (m_pfRegionHasMap, 0, sizeof (bool) * m_nRegions); 
 
	// 
	// Loop through the character's maps 
	// 
 
	CCharacter *pCurrent = CCharacter::GetCurrent (); 
	if (pCurrent) 
	{ 
		for (int imc = 0; imc < pCurrent ->m_vMapCounts .GetCount (); ++imc) 
		{ 
			CMapCounts *pMapCounts = &pCurrent ->m_vMapCounts [imc]; 
			if (IsMapCountInFilter (pMapCounts)) 
			{ 
				int nTreasure = pMapCounts ->m_nIndex; 
				if (nTreasure > 0 && nTreasure < CTreasure::gm_vTreasures .GetCount ()) 
				{ 
					m_pfTreasureHasMap [nTreasure] = true; 
					int nRegion = CTreasure::gm_vTreasures [nTreasure] .m_nRegion; 
					if (nRegion > 0 && nRegion < CRegion::gm_vRegions .GetCount ()) 
					{ 
						m_pfRegionHasMap [nRegion] = true; 
					}				 
				} 
			} 
		} 
	} 
 
	// 
	// Notify the world 
	// 
 
	::SendMessage (g_hWndMain, g_umAppUpdate, 0, 0); 
} 
 
//----------------------------------------------------------------------------- 
// 
// @mfunc Test to see if the map count is in the filter 
// 
// @parm const CMapCounts * | pCount | Map count array 
// 
// @rdesc True if the map count is in the filter 
// 
//----------------------------------------------------------------------------- 
 
bool CFilter::IsMapCountInFilter (const CMapCounts *pCount) const 
{ 
	for (int i = 0; i < Max_Level; ++i) 
	{ 
		if (pCount ->m_anCounts [i] > 0 &&  
			(!m_fEnableLevelFilter || m_afLevels [i])) 
			return true; 
	} 
	return false; 
}