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vcmi/lib/mapping/MapReaderH3M.cpp
2024-01-16 19:02:39 +00:00

444 lines
9.9 KiB
C++

/*
* MapReaderH3M.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "MapReaderH3M.h"
#include "../filesystem/CBinaryReader.h"
#include "../int3.h"
#include "../mapObjects/ObjectTemplate.h"
VCMI_LIB_NAMESPACE_BEGIN
template<>
BuildingID MapReaderH3M::remapIdentifier(const BuildingID & identifier)
{
return identifier;
}
template<>
GameResID MapReaderH3M::remapIdentifier(const GameResID & identifier)
{
return identifier;
}
template<>
SpellID MapReaderH3M::remapIdentifier(const SpellID & identifier)
{
return identifier;
}
template<>
PlayerColor MapReaderH3M::remapIdentifier(const PlayerColor & identifier)
{
return identifier;
}
template<class Identifier>
Identifier MapReaderH3M::remapIdentifier(const Identifier & identifier)
{
return remapper.remap(identifier);
}
MapReaderH3M::MapReaderH3M(CInputStream * stream)
: reader(std::make_unique<CBinaryReader>(stream))
{
}
void MapReaderH3M::setFormatLevel(const MapFormatFeaturesH3M & newFeatures)
{
features = newFeatures;
}
void MapReaderH3M::setIdentifierRemapper(const MapIdentifiersH3M & newRemapper)
{
remapper = newRemapper;
}
ArtifactID MapReaderH3M::readArtifact()
{
ArtifactID result;
if(features.levelAB)
result = ArtifactID(reader->readUInt16());
else
result = ArtifactID(reader->readUInt8());
if(result.getNum() == features.artifactIdentifierInvalid)
return ArtifactID::NONE;
if (result.getNum() < features.artifactsCount)
return remapIdentifier(result);
logGlobal->warn("Map contains invalid artifact %d. Will be removed!", result.getNum());
return ArtifactID::NONE;
}
ArtifactID MapReaderH3M::readArtifact8()
{
ArtifactID result(reader->readUInt8());
if(result.getNum() == 0xff)
return ArtifactID::NONE;
if (result.getNum() < features.artifactsCount)
return remapIdentifier(result);
logGlobal->warn("Map contains invalid artifact %d. Will be removed!", result.getNum());
return ArtifactID::NONE;
}
ArtifactID MapReaderH3M::readArtifact32()
{
ArtifactID result(reader->readInt32());
if(result == ArtifactID::NONE)
return ArtifactID::NONE;
if (result.getNum() < features.artifactsCount)
return remapIdentifier(result);
logGlobal->warn("Map contains invalid artifact %d. Will be removed!", result.getNum());
return ArtifactID::NONE;
}
HeroTypeID MapReaderH3M::readHero()
{
HeroTypeID result(reader->readUInt8());
if(result.getNum() == features.heroIdentifierInvalid)
return HeroTypeID(-1);
assert(result.getNum() < features.heroesCount);
return remapIdentifier(result);
}
HeroTypeID MapReaderH3M::readHeroPortrait()
{
HeroTypeID result(reader->readUInt8());
if(result.getNum() == features.heroIdentifierInvalid)
return HeroTypeID::NONE;
if (result.getNum() >= features.heroesPortraitsCount)
{
logGlobal->warn("Map contains invalid hero portrait ID %d. Will be reset!", result.getNum() );
return HeroTypeID::NONE;
}
return remapper.remapPortrait(result);
}
CreatureID MapReaderH3M::readCreature()
{
CreatureID result;
if(features.levelAB)
result = CreatureID(reader->readUInt16());
else
result = CreatureID(reader->readUInt8());
if(result.getNum() == features.creatureIdentifierInvalid)
return CreatureID::NONE;
if(result.getNum() < features.creaturesCount)
return remapIdentifier(result);
// this may be random creature in army/town, to be randomized later
CreatureID randomIndex(result.getNum() - features.creatureIdentifierInvalid - 1);
assert(randomIndex < CreatureID::NONE);
if (randomIndex.getNum() > -16)
return randomIndex;
logGlobal->warn("Map contains invalid creature %d. Will be removed!", result.getNum());
return CreatureID::NONE;
}
TerrainId MapReaderH3M::readTerrain()
{
TerrainId result(readUInt8());
assert(result.getNum() < features.terrainsCount);
return remapIdentifier(result);
}
RoadId MapReaderH3M::readRoad()
{
RoadId result(readInt8());
assert(result.getNum() <= features.roadsCount);
return result;
}
RiverId MapReaderH3M::readRiver()
{
RiverId result(readInt8());
assert(result.getNum() <= features.riversCount);
return result;
}
SecondarySkill MapReaderH3M::readSkill()
{
SecondarySkill result(readUInt8());
assert(result.getNum() < features.skillsCount);
return remapIdentifier(result);
}
SpellID MapReaderH3M::readSpell()
{
SpellID result(readUInt8());
if(result.getNum() == features.spellIdentifierInvalid)
return SpellID::NONE;
if(result.getNum() == features.spellIdentifierInvalid - 1)
return SpellID::PRESET;
assert(result.getNum() < features.spellsCount);
return remapIdentifier(result);
}
SpellID MapReaderH3M::readSpell32()
{
SpellID result(readInt32());
if(result.getNum() == features.spellIdentifierInvalid)
return SpellID::NONE;
assert(result.getNum() < features.spellsCount);
return result;
}
GameResID MapReaderH3M::readGameResID()
{
GameResID result(readInt8());
assert(result.getNum() < features.resourcesCount);
return result;
}
PlayerColor MapReaderH3M::readPlayer()
{
uint8_t value = readUInt8();
if (value == 255)
return PlayerColor::NEUTRAL;
if (value >= PlayerColor::PLAYER_LIMIT_I)
{
logGlobal->warn("Map contains invalid player ID %d. Will be reset!", value );
return PlayerColor::NEUTRAL;
}
return PlayerColor(value);
}
PlayerColor MapReaderH3M::readPlayer32()
{
uint32_t value = readUInt32();
if (value == 255)
return PlayerColor::NEUTRAL;
if (value >= PlayerColor::PLAYER_LIMIT_I)
{
logGlobal->warn("Map contains invalid player ID %d. Will be reset!", value );
return PlayerColor::NEUTRAL;
}
return PlayerColor(value);
}
void MapReaderH3M::readBitmaskBuildings(std::set<BuildingID> & dest, std::optional<FactionID> faction)
{
std::set<BuildingID> h3m;
readBitmask(h3m, features.buildingsBytes, features.buildingsCount, false);
for (auto const & h3mEntry : h3m)
{
BuildingID mapped = remapper.remapBuilding(faction, h3mEntry);
if (mapped != BuildingID::NONE) // artifact merchant may be set in random town, but not present in actual town
dest.insert(mapped);
}
}
void MapReaderH3M::readBitmaskFactions(std::set<FactionID> & dest, bool invert)
{
readBitmask(dest, features.factionsBytes, features.factionsCount, invert);
}
void MapReaderH3M::readBitmaskPlayers(std::set<PlayerColor> & dest, bool invert)
{
readBitmask(dest, 1, 8, invert);
}
void MapReaderH3M::readBitmaskResources(std::set<GameResID> & dest, bool invert)
{
readBitmask(dest, features.resourcesBytes, features.resourcesCount, invert);
}
void MapReaderH3M::readBitmaskHeroClassesSized(std::set<HeroClassID> & dest, bool invert)
{
uint32_t classesCount = reader->readUInt32();
uint32_t classesBytes = (classesCount + 7) / 8;
readBitmask(dest, classesBytes, classesCount, invert);
}
void MapReaderH3M::readBitmaskHeroes(std::set<HeroTypeID> & dest, bool invert)
{
readBitmask<HeroTypeID>(dest, features.heroesBytes, features.heroesCount, invert);
}
void MapReaderH3M::readBitmaskHeroesSized(std::set<HeroTypeID> & dest, bool invert)
{
uint32_t heroesCount = readUInt32();
uint32_t heroesBytes = (heroesCount + 7) / 8;
assert(heroesCount <= features.heroesCount);
readBitmask<HeroTypeID>(dest, heroesBytes, heroesCount, invert);
}
void MapReaderH3M::readBitmaskArtifacts(std::set<ArtifactID> &dest, bool invert)
{
readBitmask<ArtifactID>(dest, features.artifactsBytes, features.artifactsCount, invert);
}
void MapReaderH3M::readBitmaskArtifactsSized(std::set<ArtifactID> &dest, bool invert)
{
uint32_t artifactsCount = reader->readUInt32();
uint32_t artifactsBytes = (artifactsCount + 7) / 8;
assert(artifactsCount <= features.artifactsCount);
readBitmask<ArtifactID>(dest, artifactsBytes, artifactsCount, invert);
}
void MapReaderH3M::readBitmaskSpells(std::set<SpellID> & dest, bool invert)
{
readBitmask(dest, features.spellsBytes, features.spellsCount, invert);
}
void MapReaderH3M::readBitmaskSkills(std::set<SecondarySkill> & dest, bool invert)
{
readBitmask(dest, features.skillsBytes, features.skillsCount, invert);
}
template<class Identifier>
void MapReaderH3M::readBitmask(std::set<Identifier> & dest, int bytesToRead, int objectsToRead, bool invert)
{
for(int byte = 0; byte < bytesToRead; ++byte)
{
const ui8 mask = reader->readUInt8();
for(int bit = 0; bit < 8; ++bit)
{
if(byte * 8 + bit < objectsToRead)
{
const size_t index = byte * 8 + bit;
const bool flag = mask & (1 << bit);
const bool result = (flag != invert);
Identifier h3mID(index);
Identifier vcmiID = remapIdentifier(h3mID);
if (result)
dest.insert(vcmiID);
else
dest.erase(vcmiID);
}
}
}
}
int3 MapReaderH3M::readInt3()
{
int3 p;
p.x = reader->readUInt8();
p.y = reader->readUInt8();
p.z = reader->readUInt8();
return p;
}
std::shared_ptr<ObjectTemplate> MapReaderH3M::readObjectTemplate()
{
auto tmpl = std::make_shared<ObjectTemplate>();
tmpl->readMap(*reader);
remapper.remapTemplate(*tmpl);
return tmpl;
}
void MapReaderH3M::skipUnused(size_t amount)
{
reader->skip(amount);
}
void MapReaderH3M::skipZero(size_t amount)
{
#ifdef NDEBUG
skipUnused(amount);
#else
for(size_t i = 0; i < amount; ++i)
{
uint8_t value = reader->readUInt8();
assert(value == 0);
}
#endif
}
void MapReaderH3M::readResourses(TResources & resources)
{
for(int x = 0; x < features.resourcesCount; ++x)
resources[x] = reader->readInt32();
}
bool MapReaderH3M::readBool()
{
uint8_t result = readUInt8();
assert(result == 0 || result == 1);
return result != 0;
}
ui8 MapReaderH3M::readUInt8()
{
return reader->readUInt8();
}
si8 MapReaderH3M::readInt8()
{
return reader->readInt8();
}
ui16 MapReaderH3M::readUInt16()
{
return reader->readUInt16();
}
si16 MapReaderH3M::readInt16()
{
return reader->readInt16();
}
ui32 MapReaderH3M::readUInt32()
{
return reader->readUInt32();
}
si32 MapReaderH3M::readInt32()
{
return reader->readInt32();
}
std::string MapReaderH3M::readBaseString()
{
return reader->readBaseString();
}
CBinaryReader & MapReaderH3M::getInternalReader()
{
return *reader;
}
VCMI_LIB_NAMESPACE_END