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			453 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			453 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #include "StdInc.h"
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| #include "CCampaignHandler.h"
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| 
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| #include "../filesystem/Filesystem.h"
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| #include "../filesystem/CCompressedStream.h"
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| #include "../filesystem/CMemoryStream.h"
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| #include "../filesystem/CBinaryReader.h"
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| #include "../VCMI_Lib.h"
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| #include "../vcmi_endian.h"
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| #include "../CGeneralTextHandler.h"
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| #include "../StartInfo.h"
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| #include "../CArtHandler.h" //for hero crossover
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| #include "../mapObjects/CGHeroInstance.h"//for hero crossover
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| #include "../CHeroHandler.h"
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| #include "CMapService.h"
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| #include "CMap.h"
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| 
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| namespace fs = boost::filesystem;
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| 
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| /*
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|  * CCampaignHandler.cpp, part of VCMI engine
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|  *
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|  * Authors: listed in file AUTHORS in main folder
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|  *
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|  * License: GNU General Public License v2.0 or later
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|  * Full text of license available in license.txt file, in main folder
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|  *
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|  */
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| 
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| 
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| CCampaignHeader CCampaignHandler::getHeader( const std::string & name)
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| {
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| 	std::vector<ui8> cmpgn = getFile(name, true)[0];
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| 
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| 	CMemoryStream stream(cmpgn.data(), cmpgn.size());
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| 	CBinaryReader reader(&stream);
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| 	CCampaignHeader ret = readHeaderFromMemory(reader);
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| 	ret.filename = name;
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| 
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| 	return ret;
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| }
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| 
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| unique_ptr<CCampaign> CCampaignHandler::getCampaign( const std::string & name )
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| {
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| 	auto ret = make_unique<CCampaign>();
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| 
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| 	std::vector<std::vector<ui8>> file = getFile(name, false);
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| 
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| 	CMemoryStream stream(file[0].data(), file[0].size());
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| 	CBinaryReader reader(&stream);
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| 	ret->header = readHeaderFromMemory(reader);
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| 	ret->header.filename = name;
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| 
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| 	int howManyScenarios = VLC->generaltexth->campaignRegionNames[ret->header.mapVersion].size();
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| 	for(int g=0; g<howManyScenarios; ++g)
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| 	{
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| 		CCampaignScenario sc = readScenarioFromMemory(reader, ret->header.version, ret->header.mapVersion);
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| 		ret->scenarios.push_back(sc);
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| 	}
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| 
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| 	int scenarioID = 0;
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| 
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| 	//first entry is campaign header. start loop from 1
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| 	for (int g=1; g<file.size() && scenarioID<howManyScenarios; ++g)
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| 	{
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| 		while(!ret->scenarios[scenarioID].isNotVoid()) //skip void scenarios
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| 		{
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| 			scenarioID++;
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| 		}
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| 
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| 		std::string scenarioName = name.substr(0, name.find('.'));
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| 		boost::to_lower(scenarioName);
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| 		scenarioName += ':' + boost::lexical_cast<std::string>(g-1);
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| 
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| 		//set map piece appropriately, convert vector to string
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| 		ret->mapPieces[scenarioID].assign(reinterpret_cast< const char* >(file[g].data()), file[g].size());
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| 		ret->scenarios[scenarioID].scenarioName = CMapService::loadMapHeader((const ui8*)ret->mapPieces[scenarioID].c_str(), ret->mapPieces[scenarioID].size(), scenarioName)->name;
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| 		scenarioID++;
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| 	}
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| 
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| 	// handle campaign specific discrepancies
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| 	if(name == "DATA/AB.H3C")
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| 	{
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| 		ret->scenarios[6].keepHeroes.push_back(HeroTypeID(155)); // keep hero Xeron for map 7 To Kill A Hero
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| 	}
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| 	else if(name == "DATA/FINAL.H3C")
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| 	{
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| 		// keep following heroes for map 8 Final H
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| 		ret->scenarios[7].keepHeroes.push_back(HeroTypeID(148)); // Gelu
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| 		ret->scenarios[7].keepHeroes.push_back(HeroTypeID(27)); // Gem
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| 		ret->scenarios[7].keepHeroes.push_back(HeroTypeID(102)); // Crag Hack
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| 		ret->scenarios[7].keepHeroes.push_back(HeroTypeID(96)); // Yog
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| 	}
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| 
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| 	return ret;
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| }
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| 
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| CCampaignHeader CCampaignHandler::readHeaderFromMemory( CBinaryReader & reader )
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| {
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| 	CCampaignHeader ret;
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| 
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| 	ret.version = reader.readUInt32();
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| 	ret.mapVersion = reader.readUInt8() - 1;//change range of it from [1, 20] to [0, 19]
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| 	ret.name = reader.readString();
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| 	ret.description = reader.readString();
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| 	if (ret.version > CampaignVersion::RoE)
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| 		ret.difficultyChoosenByPlayer = reader.readInt8();
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| 	else
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| 		ret.difficultyChoosenByPlayer = 0;
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| 	ret.music = reader.readInt8();
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| 	return ret;
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| }
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| 
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| CCampaignScenario CCampaignHandler::readScenarioFromMemory( CBinaryReader & reader, int version, int mapVersion )
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| {
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| 	auto prologEpilogReader = [&]() -> CCampaignScenario::SScenarioPrologEpilog
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| 	{
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| 		CCampaignScenario::SScenarioPrologEpilog ret;
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| 		ret.hasPrologEpilog = reader.readUInt8();
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| 		if(ret.hasPrologEpilog)
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| 		{
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| 			ret.prologVideo = reader.readUInt8();
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| 			ret.prologMusic = reader.readUInt8();
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| 			ret.prologText = reader.readString();
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| 		}
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| 		return ret;
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| 	};
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| 
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| 	CCampaignScenario ret;
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| 	ret.conquered = false;
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| 	ret.mapName = reader.readString();
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| 	ret.packedMapSize = reader.readUInt32();
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| 	if(mapVersion == 18)//unholy alliance
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| 	{
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| 		ret.loadPreconditionRegions(reader.readUInt16());
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| 	}
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| 	else
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| 	{
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| 		ret.loadPreconditionRegions(reader.readUInt8());
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| 	}
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| 	ret.regionColor = reader.readUInt8();
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| 	ret.difficulty = reader.readUInt8();
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| 	ret.regionText = reader.readString();
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| 	ret.prolog = prologEpilogReader();
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| 	ret.epilog = prologEpilogReader();
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| 
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| 	ret.travelOptions = readScenarioTravelFromMemory(reader, version);
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| 
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| 	return ret;
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| }
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| 
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| void CCampaignScenario::loadPreconditionRegions(ui32 regions)
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| {
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| 	for (int i=0; i<32; i++) //for each bit in region. h3c however can only hold up to 16
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| 	{
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| 		if ( (1 << i) & regions)
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| 			preconditionRegions.insert(i);
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| 	}
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| }
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| 
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| CScenarioTravel CCampaignHandler::readScenarioTravelFromMemory(CBinaryReader & reader, int version )
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| {
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| 	CScenarioTravel ret;
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| 
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| 	ret.whatHeroKeeps = reader.readUInt8();
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| 	reader.getStream()->read(ret.monstersKeptByHero.data(), ret.monstersKeptByHero.size());
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| 
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| 	if (version < CampaignVersion::SoD)
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| 	{
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| 		ret.artifsKeptByHero.fill(0);
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| 		reader.getStream()->read(ret.artifsKeptByHero.data(), ret.artifsKeptByHero.size() - 1);
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| 	} 
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| 	else
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| 	{
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| 		reader.getStream()->read(ret.artifsKeptByHero.data(), ret.artifsKeptByHero.size());
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| 	}
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| 
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| 	ret.startOptions = reader.readUInt8();
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| 
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| 	switch(ret.startOptions)
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| 	{
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| 	case 0:
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| 		//no bonuses. Seems to be OK
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| 		break;
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| 	case 1: //reading of bonuses player can choose
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| 		{
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| 			ret.playerColor = reader.readUInt8();
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| 			ui8 numOfBonuses = reader.readUInt8();
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| 			for (int g=0; g<numOfBonuses; ++g)
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| 			{
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| 				CScenarioTravel::STravelBonus bonus;
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| 				bonus.type = static_cast<CScenarioTravel::STravelBonus::EBonusType>(reader.readUInt8());
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| 				//hero: FFFD means 'most powerful' and FFFE means 'generated'
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| 				switch(bonus.type)
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| 				{
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| 				case CScenarioTravel::STravelBonus::SPELL:
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| 					{
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| 						bonus.info1 = reader.readUInt16(); //hero
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| 						bonus.info2 = reader.readUInt8(); //spell ID
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| 						break;
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| 					}
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| 				case CScenarioTravel::STravelBonus::MONSTER:
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| 					{
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| 						bonus.info1 = reader.readUInt16(); //hero
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| 						bonus.info2 = reader.readUInt16(); //monster type
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| 						bonus.info3 = reader.readUInt16(); //monster count
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| 						break;
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| 					}
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| 				case CScenarioTravel::STravelBonus::BUILDING:
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| 					{
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| 						bonus.info1 = reader.readUInt8(); //building ID (0 - town hall, 1 - city hall, 2 - capitol, etc)
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| 						break;
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| 					}
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| 				case CScenarioTravel::STravelBonus::ARTIFACT:
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| 					{
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| 						bonus.info1 = reader.readUInt16(); //hero
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| 						bonus.info2 = reader.readUInt16(); //artifact ID
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| 						break;
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| 					}
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| 				case CScenarioTravel::STravelBonus::SPELL_SCROLL:
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| 					{
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| 						bonus.info1 = reader.readUInt16(); //hero
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| 						bonus.info2 = reader.readUInt8(); //spell ID
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| 						break;
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| 					}
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| 				case CScenarioTravel::STravelBonus::PRIMARY_SKILL:
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| 					{
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| 						bonus.info1 = reader.readUInt16(); //hero
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| 						bonus.info2 = reader.readUInt32(); //bonuses (4 bytes for 4 skills)
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| 						break;
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| 					}
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| 				case CScenarioTravel::STravelBonus::SECONDARY_SKILL:
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| 					{
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| 						bonus.info1 = reader.readUInt16(); //hero
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| 						bonus.info2 = reader.readUInt8(); //skill ID
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| 						bonus.info3 = reader.readUInt8(); //skill level
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| 						break;
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| 					}
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| 				case CScenarioTravel::STravelBonus::RESOURCE:
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| 					{
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| 						bonus.info1 = reader.readUInt8(); //type
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| 						//FD - wood+ore
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| 						//FE - mercury+sulfur+crystal+gem
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| 						bonus.info2 = reader.readUInt32(); //count
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| 						break;
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| 					}
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| 				default:
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|                     logGlobal->warnStream() << "Corrupted h3c file";
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| 					break;
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| 				}
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| 				ret.bonusesToChoose.push_back(bonus);
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| 			}
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| 			break;
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| 		}
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| 	case 2: //reading of players (colors / scenarios ?) player can choose
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| 		{
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| 			ui8 numOfBonuses = reader.readUInt8();
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| 			for (int g=0; g<numOfBonuses; ++g)
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| 			{
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| 				CScenarioTravel::STravelBonus bonus;
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| 				bonus.type = CScenarioTravel::STravelBonus::HEROES_FROM_PREVIOUS_SCENARIO;
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| 				bonus.info1 = reader.readUInt8(); //player color
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| 				bonus.info2 = reader.readUInt8(); //from what scenario
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| 
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| 				ret.bonusesToChoose.push_back(bonus);
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| 			}
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| 			break;
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| 		}
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| 	case 3: //heroes player can choose between
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| 		{
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| 			ui8 numOfBonuses = reader.readUInt8();
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| 			for (int g=0; g<numOfBonuses; ++g)
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| 			{
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| 				CScenarioTravel::STravelBonus bonus;
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| 				bonus.type = CScenarioTravel::STravelBonus::HERO;
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| 				bonus.info1 = reader.readUInt8(); //player color
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| 				bonus.info2 = reader.readUInt16(); //hero, FF FF - random
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| 
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| 				ret.bonusesToChoose.push_back(bonus);
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| 			}
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| 			break;
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| 		}
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| 	default:
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| 		{
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|             logGlobal->warnStream() << "Corrupted h3c file";
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|             break;
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| 		}
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| 	}
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| 
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| 	return ret;
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| }
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| 
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| std::vector< std::vector<ui8> > CCampaignHandler::getFile(const std::string & name, bool headerOnly)
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| {
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| 	CCompressedStream stream(CResourceHandler::get()->load(ResourceID(name, EResType::CAMPAIGN)), true);
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| 
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| 	std::vector< std::vector<ui8> > ret;
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| 	do
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| 	{
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| 		std::vector<ui8> block(stream.getSize());
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| 		stream.read(block.data(), block.size());
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| 		ret.push_back(block);
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| 	}
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| 	while (!headerOnly && stream.getNextBlock());
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| 
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| 	return ret;
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| }
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| 
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| bool CCampaign::conquerable( int whichScenario ) const
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| {
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| 	//check for void scenraio
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| 	if (!scenarios[whichScenario].isNotVoid())
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| 	{
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| 		return false;
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| 	}
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| 
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| 	if (scenarios[whichScenario].conquered)
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| 	{
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| 		return false;
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| 	}
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| 	//check preconditioned regions
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| 	for (int g=0; g<scenarios.size(); ++g)
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| 	{
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| 		if( vstd::contains(scenarios[whichScenario].preconditionRegions, g) && !scenarios[g].conquered)
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| 			return false; //prerequisite does not met
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| 			
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| 	}
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| 	return true;
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| }
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| 
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| CCampaign::CCampaign()
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| {
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| 
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| }
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| 
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| bool CCampaignScenario::isNotVoid() const
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| {
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| 	return mapName.size() > 0;
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| }
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| 
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| const CGHeroInstance * CCampaignScenario::strongestHero( PlayerColor owner ) const
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| {
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| 	using boost::adaptors::filtered;
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| 	std::function<bool(CGHeroInstance*)> isOwned =  [=](const CGHeroInstance *h){ return h->tempOwner == owner; };
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| 	auto ownedHeroes = crossoverHeroes | filtered(isOwned);
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| 
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| 	auto i = vstd::maxElementByFun(ownedHeroes,
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| 									[](const CGHeroInstance * h) {return h->getHeroStrength();});
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| 	return i == ownedHeroes.end() ? nullptr : *i;
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| }
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| 
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| std::vector<CGHeroInstance *> CCampaignScenario::getLostCrossoverHeroes() const
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| {
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| 	std::vector<CGHeroInstance *> lostCrossoverHeroes;
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| 	if(conquered)
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| 	{
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| 		for(auto hero : placedCrossoverHeroes)
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| 		{
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| 			auto it = range::find_if(crossoverHeroes, CGObjectInstanceBySubIdFinder(hero));
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| 			if(it == crossoverHeroes.end())
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| 			{
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| 				lostCrossoverHeroes.push_back(hero);
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| 			}
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| 		}
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| 	}
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| 	return lostCrossoverHeroes;
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| }
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| 
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| bool CScenarioTravel::STravelBonus::isBonusForHero() const
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| {
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| 	return type == SPELL || type == MONSTER || type == ARTIFACT || type == SPELL_SCROLL || type == PRIMARY_SKILL
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| 		|| type == SECONDARY_SKILL;
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| }
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| 
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| void CCampaignState::setCurrentMapAsConquered( const std::vector<CGHeroInstance*> & heroes )
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| {
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| 	camp->scenarios[*currentMap].crossoverHeroes = heroes;
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| 	mapsConquered.push_back(*currentMap);
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| 	mapsRemaining -= *currentMap;
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| 	camp->scenarios[*currentMap].conquered = true;
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| }
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| 
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| boost::optional<CScenarioTravel::STravelBonus> CCampaignState::getBonusForCurrentMap() const
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| {
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| 	auto bonuses = getCurrentScenario().travelOptions.bonusesToChoose;
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| 	assert(chosenCampaignBonuses.count(*currentMap) || bonuses.size() == 0);
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| 
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| 	if(bonuses.empty())
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| 		return boost::optional<CScenarioTravel::STravelBonus>();
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| 	else
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| 		return bonuses[currentBonusID()];
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| }
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| 
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| const CCampaignScenario & CCampaignState::getCurrentScenario() const
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| {
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| 	return camp->scenarios[*currentMap];
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| }
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| 
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| CCampaignScenario & CCampaignState::getCurrentScenario()
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| {
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| 	return camp->scenarios[*currentMap];
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| }
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| 
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| ui8 CCampaignState::currentBonusID() const
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| {
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| 	return chosenCampaignBonuses.at(*currentMap);
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| }
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| 
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| CCampaignState::CCampaignState()
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| {
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| 
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| }
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| 
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| CCampaignState::CCampaignState( unique_ptr<CCampaign> _camp ) : camp(std::move(_camp))
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| {
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| 	for(int i = 0; i < camp->scenarios.size(); i++)
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| 	{
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| 		if(vstd::contains(camp->mapPieces, i)) //not all maps must be present in a campaign
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| 			mapsRemaining.push_back(i);
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| 	}
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| }
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| 
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| std::string CCampaignHandler::prologVideoName(ui8 index)
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| {
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| 	JsonNode config(ResourceID(std::string("CONFIG/campaignMedia"), EResType::TEXT));
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| 	auto vids = config["videos"].Vector();
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| 	if(index < vids.size())
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| 		return vids[index].String();
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| 	return "";
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| }
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| 
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| std::string CCampaignHandler::prologMusicName(ui8 index)
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| {
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| 	std::vector<std::string> music;
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| 
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| 	VLC->generaltexth->readToVector("Data/CmpMusic.txt", music);
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| 	if(index < music.size())
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| 		return music[index];
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| 	return "";
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| }
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| 
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| std::string CCampaignHandler::prologVoiceName(ui8 index)
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| {
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| 	JsonNode config(ResourceID(std::string("CONFIG/campaignMedia"), EResType::TEXT));
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| 	auto audio = config["voice"].Vector();
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| 	if(index < audio.size())
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| 		return audio[index].String();
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| 	return "";
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| }
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| 
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| 
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| 
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