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https://github.com/vcmi/vcmi.git
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449 lines
10 KiB
C++
449 lines
10 KiB
C++
/*
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* MapReaderH3M.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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#include "StdInc.h"
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#include "MapReaderH3M.h"
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#include "../filesystem/CBinaryReader.h"
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#include "../int3.h"
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#include "../mapObjects/ObjectTemplate.h"
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VCMI_LIB_NAMESPACE_BEGIN
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template<>
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BuildingID MapReaderH3M::remapIdentifier(const BuildingID & identifier)
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{
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return identifier;
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}
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template<>
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GameResID MapReaderH3M::remapIdentifier(const GameResID & identifier)
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{
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return identifier;
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}
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template<>
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SpellID MapReaderH3M::remapIdentifier(const SpellID & identifier)
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{
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return identifier;
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}
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template<>
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PlayerColor MapReaderH3M::remapIdentifier(const PlayerColor & identifier)
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{
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return identifier;
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}
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template<class Identifier>
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Identifier MapReaderH3M::remapIdentifier(const Identifier & identifier)
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{
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return remapper.remap(identifier);
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}
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MapReaderH3M::MapReaderH3M(CInputStream * stream)
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: reader(std::make_unique<CBinaryReader>(stream))
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{
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}
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void MapReaderH3M::setFormatLevel(const MapFormatFeaturesH3M & newFeatures)
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{
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features = newFeatures;
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}
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void MapReaderH3M::setIdentifierRemapper(const MapIdentifiersH3M & newRemapper)
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{
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remapper = newRemapper;
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}
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ArtifactID MapReaderH3M::readArtifact()
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{
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ArtifactID result;
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if(features.levelAB)
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result = ArtifactID(reader->readUInt16());
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else
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result = ArtifactID(reader->readUInt8());
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if(result.getNum() == features.artifactIdentifierInvalid)
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return ArtifactID::NONE;
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if (result.getNum() < features.artifactsCount)
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return remapIdentifier(result);
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logGlobal->warn("Map contains invalid artifact %d. Will be removed!", result.getNum());
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return ArtifactID::NONE;
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}
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ArtifactID MapReaderH3M::readArtifact8()
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{
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ArtifactID result(reader->readUInt8());
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if(result.getNum() == 0xff)
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return ArtifactID::NONE;
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if (result.getNum() < features.artifactsCount)
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return remapIdentifier(result);
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logGlobal->warn("Map contains invalid artifact %d. Will be removed!", result.getNum());
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return ArtifactID::NONE;
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}
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ArtifactID MapReaderH3M::readArtifact32()
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{
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ArtifactID result(reader->readInt32());
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if(result == ArtifactID::NONE)
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return ArtifactID::NONE;
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if (result.getNum() < features.artifactsCount)
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return remapIdentifier(result);
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logGlobal->warn("Map contains invalid artifact %d. Will be removed!", result.getNum());
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return ArtifactID::NONE;
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}
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HeroTypeID MapReaderH3M::readHero()
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{
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HeroTypeID result(reader->readUInt8());
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if(result.getNum() == features.heroIdentifierInvalid)
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return HeroTypeID(-1);
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assert(result.getNum() < features.heroesCount);
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return remapIdentifier(result);
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}
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HeroTypeID MapReaderH3M::readHeroPortrait()
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{
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HeroTypeID result(reader->readUInt8());
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if(result.getNum() == features.heroIdentifierInvalid)
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return HeroTypeID::NONE;
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if (result.getNum() >= features.heroesPortraitsCount)
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{
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logGlobal->warn("Map contains invalid hero portrait ID %d. Will be reset!", result.getNum() );
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return HeroTypeID::NONE;
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}
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return remapper.remapPortrait(result);
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}
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CreatureID MapReaderH3M::readCreature()
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{
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CreatureID result;
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if(features.levelAB)
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result = CreatureID(reader->readUInt16());
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else
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result = CreatureID(reader->readUInt8());
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if(result.getNum() == features.creatureIdentifierInvalid)
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return CreatureID::NONE;
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if(result.getNum() < features.creaturesCount)
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return remapIdentifier(result);
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// this may be random creature in army/town, to be randomized later
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CreatureID randomIndex(result.getNum() - features.creatureIdentifierInvalid - 1);
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assert(randomIndex < CreatureID::NONE);
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if (randomIndex.getNum() > -16)
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return randomIndex;
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logGlobal->warn("Map contains invalid creature %d. Will be removed!", result.getNum());
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return CreatureID::NONE;
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}
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TerrainId MapReaderH3M::readTerrain()
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{
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TerrainId result(readUInt8());
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assert(result.getNum() < features.terrainsCount);
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return remapIdentifier(result);
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}
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RoadId MapReaderH3M::readRoad()
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{
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RoadId result(readInt8());
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assert(result.getNum() <= features.roadsCount);
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return result;
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}
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RiverId MapReaderH3M::readRiver()
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{
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RiverId result(readInt8());
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assert(result.getNum() <= features.riversCount);
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return result;
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}
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PrimarySkill MapReaderH3M::readPrimary()
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{
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PrimarySkill result(readUInt8());
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assert(result <= PrimarySkill::KNOWLEDGE );
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return result;
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}
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SecondarySkill MapReaderH3M::readSkill()
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{
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SecondarySkill result(readUInt8());
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assert(result.getNum() < features.skillsCount);
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return remapIdentifier(result);
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}
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SpellID MapReaderH3M::readSpell()
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{
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SpellID result(readUInt8());
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if(result.getNum() == features.spellIdentifierInvalid)
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return SpellID::NONE;
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if(result.getNum() == features.spellIdentifierInvalid - 1)
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return SpellID::PRESET;
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assert(result.getNum() < features.spellsCount);
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return remapIdentifier(result);
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}
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SpellID MapReaderH3M::readSpell32()
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{
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SpellID result(readInt32());
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if(result.getNum() == features.spellIdentifierInvalid)
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return SpellID::NONE;
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assert(result.getNum() < features.spellsCount);
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return result;
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}
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GameResID MapReaderH3M::readGameResID()
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{
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GameResID result(readInt8());
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assert(result.getNum() < features.resourcesCount);
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return result;
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}
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PlayerColor MapReaderH3M::readPlayer()
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{
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uint8_t value = readUInt8();
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if (value == 255)
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return PlayerColor::NEUTRAL;
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if (value >= PlayerColor::PLAYER_LIMIT_I)
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{
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logGlobal->warn("Map contains invalid player ID %d. Will be reset!", value );
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return PlayerColor::NEUTRAL;
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}
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return PlayerColor(value);
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}
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PlayerColor MapReaderH3M::readPlayer32()
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{
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uint32_t value = readUInt32();
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if (value == 255)
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return PlayerColor::NEUTRAL;
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if (value >= PlayerColor::PLAYER_LIMIT_I)
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{
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logGlobal->warn("Map contains invalid player ID %d. Will be reset!", value );
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return PlayerColor::NEUTRAL;
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}
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return PlayerColor(value);
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}
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void MapReaderH3M::readBitmaskBuildings(std::set<BuildingID> & dest, std::optional<FactionID> faction)
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{
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std::set<BuildingID> h3m;
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readBitmask(h3m, features.buildingsBytes, features.buildingsCount, false);
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for (auto const & h3mEntry : h3m)
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{
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BuildingID mapped = remapper.remapBuilding(faction, h3mEntry);
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if (mapped != BuildingID::NONE) // artifact merchant may be set in random town, but not present in actual town
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dest.insert(mapped);
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}
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}
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void MapReaderH3M::readBitmaskFactions(std::set<FactionID> & dest, bool invert)
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{
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readBitmask(dest, features.factionsBytes, features.factionsCount, invert);
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}
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void MapReaderH3M::readBitmaskPlayers(std::set<PlayerColor> & dest, bool invert)
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{
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readBitmask(dest, 1, 8, invert);
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}
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void MapReaderH3M::readBitmaskResources(std::set<GameResID> & dest, bool invert)
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{
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readBitmask(dest, features.resourcesBytes, features.resourcesCount, invert);
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}
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void MapReaderH3M::readBitmaskHeroClassesSized(std::set<HeroClassID> & dest, bool invert)
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{
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uint32_t classesCount = reader->readUInt32();
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uint32_t classesBytes = (classesCount + 7) / 8;
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readBitmask(dest, classesBytes, classesCount, invert);
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}
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void MapReaderH3M::readBitmaskHeroes(std::set<HeroTypeID> & dest, bool invert)
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{
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readBitmask<HeroTypeID>(dest, features.heroesBytes, features.heroesCount, invert);
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}
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void MapReaderH3M::readBitmaskHeroesSized(std::set<HeroTypeID> & dest, bool invert)
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{
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uint32_t heroesCount = readUInt32();
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uint32_t heroesBytes = (heroesCount + 7) / 8;
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assert(heroesCount <= features.heroesCount);
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readBitmask<HeroTypeID>(dest, heroesBytes, heroesCount, invert);
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}
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void MapReaderH3M::readBitmaskArtifacts(std::set<ArtifactID> &dest, bool invert)
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{
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readBitmask<ArtifactID>(dest, features.artifactsBytes, features.artifactsCount, invert);
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}
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void MapReaderH3M::readBitmaskArtifactsSized(std::set<ArtifactID> &dest, bool invert)
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{
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uint32_t artifactsCount = reader->readUInt32();
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uint32_t artifactsBytes = (artifactsCount + 7) / 8;
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assert(artifactsCount <= features.artifactsCount);
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readBitmask<ArtifactID>(dest, artifactsBytes, artifactsCount, invert);
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}
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void MapReaderH3M::readBitmaskSpells(std::set<SpellID> & dest, bool invert)
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{
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readBitmask(dest, features.spellsBytes, features.spellsCount, invert);
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}
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void MapReaderH3M::readBitmaskSkills(std::set<SecondarySkill> & dest, bool invert)
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{
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readBitmask(dest, features.skillsBytes, features.skillsCount, invert);
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}
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template<class Identifier>
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void MapReaderH3M::readBitmask(std::set<Identifier> & dest, int bytesToRead, int objectsToRead, bool invert)
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{
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for(int byte = 0; byte < bytesToRead; ++byte)
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{
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const ui8 mask = reader->readUInt8();
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for(int bit = 0; bit < 8; ++bit)
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{
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if(byte * 8 + bit < objectsToRead)
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{
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const size_t index = byte * 8 + bit;
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const bool flag = mask & (1 << bit);
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const bool result = (flag != invert);
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Identifier h3mID(index);
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Identifier vcmiID = remapIdentifier(h3mID);
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if (result)
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dest.insert(vcmiID);
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else
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dest.erase(vcmiID);
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}
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}
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}
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}
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int3 MapReaderH3M::readInt3()
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{
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int3 p;
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p.x = reader->readUInt8();
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p.y = reader->readUInt8();
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p.z = reader->readUInt8();
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return p;
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}
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std::shared_ptr<ObjectTemplate> MapReaderH3M::readObjectTemplate()
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{
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auto tmpl = std::make_shared<ObjectTemplate>();
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tmpl->readMap(*reader);
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remapper.remapTemplate(*tmpl);
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return tmpl;
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}
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void MapReaderH3M::skipUnused(size_t amount)
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{
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reader->skip(amount);
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}
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void MapReaderH3M::skipZero(size_t amount)
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{
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#ifdef NDEBUG
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skipUnused(amount);
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#else
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for(size_t i = 0; i < amount; ++i)
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{
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uint8_t value = reader->readUInt8();
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assert(value == 0);
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}
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#endif
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}
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void MapReaderH3M::readResources(TResources & resources)
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{
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for(int x = 0; x < features.resourcesCount; ++x)
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resources[x] = reader->readInt32();
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}
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bool MapReaderH3M::readBool()
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{
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uint8_t result = readUInt8();
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assert(result == 0 || result == 1);
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return result != 0;
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}
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int8_t MapReaderH3M::readInt8Checked(int8_t lowerLimit, int8_t upperLimit)
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{
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int8_t result = readInt8();
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assert(result >= lowerLimit);
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assert(result <= upperLimit);
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return std::clamp(result, lowerLimit, upperLimit);
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}
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uint8_t MapReaderH3M::readUInt8()
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{
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return reader->readUInt8();
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}
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int8_t MapReaderH3M::readInt8()
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{
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return reader->readInt8();
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}
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uint16_t MapReaderH3M::readUInt16()
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{
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return reader->readUInt16();
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}
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uint32_t MapReaderH3M::readUInt32()
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{
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return reader->readUInt32();
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}
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int32_t MapReaderH3M::readInt32()
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{
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return reader->readInt32();
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}
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std::string MapReaderH3M::readBaseString()
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{
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return reader->readBaseString();
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}
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VCMI_LIB_NAMESPACE_END
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