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vcmi/lib/rmg/modificators/TreasurePlacer.cpp
Alexander Wilms 02e429e973 Fix typos using https://github.com/crate-ci/typos 
Changes were reviewed manually
2024-06-24 03:47:19 +02:00

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/*
* TreasurePlacer.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 "TreasurePlacer.h"
#include "../CMapGenerator.h"
#include "../Functions.h"
#include "ObjectManager.h"
#include "RoadPlacer.h"
#include "ConnectionsPlacer.h"
#include "../RmgMap.h"
#include "../TileInfo.h"
#include "../CZonePlacer.h"
#include "PrisonHeroPlacer.h"
#include "QuestArtifactPlacer.h"
#include "../../ArtifactUtils.h"
#include "../../mapObjectConstructors/AObjectTypeHandler.h"
#include "../../mapObjectConstructors/CObjectClassesHandler.h"
#include "../../mapObjectConstructors/DwellingInstanceConstructor.h"
#include "../../mapObjects/CGHeroInstance.h"
#include "../../mapObjects/CGPandoraBox.h"
#include "../../mapObjects/CQuest.h"
#include "../../mapObjects/MiscObjects.h"
#include "../../CCreatureHandler.h"
#include "../../spells/CSpellHandler.h" //for choosing random spells
#include "../../mapping/CMap.h"
#include "../../mapping/CMapEditManager.h"
VCMI_LIB_NAMESPACE_BEGIN
ObjectInfo::ObjectInfo():
destroyObject([](CGObjectInstance * obj){})
{
}
void TreasurePlacer::process()
{
addAllPossibleObjects();
auto * m = zone.getModificator<ObjectManager>();
if(m)
createTreasures(*m);
}
void TreasurePlacer::init()
{
maxPrisons = 0; //Should be in the constructor, but we use macro for that
DEPENDENCY(ObjectManager);
DEPENDENCY(ConnectionsPlacer);
DEPENDENCY_ALL(PrisonHeroPlacer);
DEPENDENCY(RoadPlacer);
}
void TreasurePlacer::addObjectToRandomPool(const ObjectInfo& oi)
{
RecursiveLock lock(externalAccessMutex);
possibleObjects.push_back(oi);
}
void TreasurePlacer::addAllPossibleObjects()
{
ObjectInfo oi;
for(auto primaryID : VLC->objtypeh->knownObjects())
{
for(auto secondaryID : VLC->objtypeh->knownSubObjects(primaryID))
{
auto handler = VLC->objtypeh->getHandlerFor(primaryID, secondaryID);
if(!handler->isStaticObject() && handler->getRMGInfo().value)
{
auto rmgInfo = handler->getRMGInfo();
if (rmgInfo.mapLimit || rmgInfo.value > zone.getMaxTreasureValue())
{
//Skip objects with per-map limit here
continue;
}
oi.generateObject = [this, primaryID, secondaryID]() -> CGObjectInstance *
{
return VLC->objtypeh->getHandlerFor(primaryID, secondaryID)->create(map.mapInstance->cb, nullptr);
};
oi.value = rmgInfo.value;
oi.probability = rmgInfo.rarity;
oi.setTemplates(primaryID, secondaryID, zone.getTerrainType());
oi.maxPerZone = rmgInfo.zoneLimit;
if(!oi.templates.empty())
addObjectToRandomPool(oi);
}
}
}
//Generate Prison on water only if it has a template
auto prisonTemplates = VLC->objtypeh->getHandlerFor(Obj::PRISON, 0)->getTemplates(zone.getTerrainType());
if (!prisonTemplates.empty())
{
PrisonHeroPlacer * prisonHeroPlacer = nullptr;
for(auto & z : map.getZones())
{
prisonHeroPlacer = z.second->getModificator<PrisonHeroPlacer>();
if (prisonHeroPlacer)
{
break;
}
}
//prisons
//levels 1, 5, 10, 20, 30
static const int prisonsLevels = std::min(generator.getConfig().prisonExperience.size(), generator.getConfig().prisonValues.size());
size_t prisonsLeft = getMaxPrisons();
for (int i = prisonsLevels - 1; i >= 0; i--)
{
ObjectInfo oi; // Create new instance which will hold destructor operation
oi.value = generator.getConfig().prisonValues[i];
if (oi.value > zone.getMaxTreasureValue())
{
continue;
}
oi.generateObject = [i, this, prisonHeroPlacer]() -> CGObjectInstance*
{
HeroTypeID hid = prisonHeroPlacer->drawRandomHero();
auto factory = VLC->objtypeh->getHandlerFor(Obj::PRISON, 0);
auto* obj = dynamic_cast<CGHeroInstance*>(factory->create(map.mapInstance->cb, nullptr));
obj->setHeroType(hid); //will be initialized later
obj->exp = generator.getConfig().prisonExperience[i];
obj->setOwner(PlayerColor::NEUTRAL);
return obj;
};
oi.destroyObject = [prisonHeroPlacer](CGObjectInstance* obj)
{
// Hero can be used again
auto* hero = dynamic_cast<CGHeroInstance*>(obj);
prisonHeroPlacer->restoreDrawnHero(hero->getHeroType());
};
oi.setTemplates(Obj::PRISON, 0, zone.getTerrainType());
oi.value = generator.getConfig().prisonValues[i];
oi.probability = 30;
//Distribute all allowed prisons, starting from the most valuable
oi.maxPerZone = (std::ceil((float)prisonsLeft / (i + 1)));
prisonsLeft -= oi.maxPerZone;
if(!oi.templates.empty())
addObjectToRandomPool(oi);
}
}
if(zone.getType() == ETemplateZoneType::WATER)
return;
//all following objects are unlimited
oi.maxPerZone = std::numeric_limits<ui32>::max();
std::vector<const CCreature *> creatures; //native creatures for this zone
for(auto const & cre : VLC->creh->objects)
{
if(!cre->special && cre->getFaction() == zone.getTownType())
{
creatures.push_back(cre.get());
}
}
//dwellings
auto dwellingTypes = {Obj::CREATURE_GENERATOR1, Obj::CREATURE_GENERATOR4};
for(auto dwellingType : dwellingTypes)
{
auto subObjects = VLC->objtypeh->knownSubObjects(dwellingType);
if(dwellingType == Obj::CREATURE_GENERATOR1)
{
//don't spawn original "neutral" dwellings that got replaced by Conflux dwellings in AB
static const MapObjectSubID elementalConfluxROE[] = {7, 13, 16, 47};
for(auto const & i : elementalConfluxROE)
vstd::erase_if_present(subObjects, i);
}
for(auto secondaryID : subObjects)
{
const auto * dwellingHandler = dynamic_cast<const DwellingInstanceConstructor *>(VLC->objtypeh->getHandlerFor(dwellingType, secondaryID).get());
auto creatures = dwellingHandler->getProducedCreatures();
if(creatures.empty())
continue;
const auto * cre = creatures.front();
if(cre->getFaction() == zone.getTownType())
{
auto nativeZonesCount = static_cast<float>(map.getZoneCount(cre->getFaction()));
oi.value = static_cast<ui32>(cre->getAIValue() * cre->getGrowth() * (1 + (nativeZonesCount / map.getTotalZoneCount()) + (nativeZonesCount / 2)));
oi.probability = 40;
oi.generateObject = [this, secondaryID, dwellingType]() -> CGObjectInstance *
{
auto * obj = VLC->objtypeh->getHandlerFor(dwellingType, secondaryID)->create(map.mapInstance->cb, nullptr);
obj->tempOwner = PlayerColor::NEUTRAL;
return obj;
};
oi.setTemplates(dwellingType, secondaryID, zone.getTerrainType());
if(!oi.templates.empty())
addObjectToRandomPool(oi);
}
}
}
for(int i = 0; i < generator.getConfig().scrollValues.size(); i++)
{
oi.generateObject = [i, this]() -> CGObjectInstance *
{
auto factory = VLC->objtypeh->getHandlerFor(Obj::SPELL_SCROLL, 0);
auto * obj = dynamic_cast<CGArtifact *>(factory->create(map.mapInstance->cb, nullptr));
std::vector<SpellID> out;
for(auto spellID : VLC->spellh->getDefaultAllowed())
{
if(map.isAllowedSpell(spellID) && spellID.toSpell()->getLevel() == i + 1)
out.push_back(spellID);
}
auto * a = ArtifactUtils::createScroll(*RandomGeneratorUtil::nextItem(out, zone.getRand()));
obj->storedArtifact = a;
return obj;
};
oi.setTemplates(Obj::SPELL_SCROLL, 0, zone.getTerrainType());
oi.value = generator.getConfig().scrollValues[i];
oi.probability = 30;
if(!oi.templates.empty())
addObjectToRandomPool(oi);
}
//pandora box with gold
for(int i = 1; i < 5; i++)
{
oi.generateObject = [this, i]() -> CGObjectInstance *
{
auto factory = VLC->objtypeh->getHandlerFor(Obj::PANDORAS_BOX, 0);
auto * obj = dynamic_cast<CGPandoraBox *>(factory->create(map.mapInstance->cb, nullptr));
Rewardable::VisitInfo reward;
reward.reward.resources[EGameResID::GOLD] = i * 5000;
reward.visitType = Rewardable::EEventType::EVENT_FIRST_VISIT;
obj->configuration.info.push_back(reward);
return obj;
};
oi.setTemplates(Obj::PANDORAS_BOX, 0, zone.getTerrainType());
oi.value = i * generator.getConfig().pandoraMultiplierGold;
oi.probability = 5;
if(!oi.templates.empty())
addObjectToRandomPool(oi);
}
//pandora box with experience
for(int i = 1; i < 5; i++)
{
oi.generateObject = [this, i]() -> CGObjectInstance *
{
auto factory = VLC->objtypeh->getHandlerFor(Obj::PANDORAS_BOX, 0);
auto * obj = dynamic_cast<CGPandoraBox *>(factory->create(map.mapInstance->cb, nullptr));
Rewardable::VisitInfo reward;
reward.reward.heroExperience = i * 5000;
reward.visitType = Rewardable::EEventType::EVENT_FIRST_VISIT;
obj->configuration.info.push_back(reward);
return obj;
};
oi.setTemplates(Obj::PANDORAS_BOX, 0, zone.getTerrainType());
oi.value = i * generator.getConfig().pandoraMultiplierExperience;
oi.probability = 20;
if(!oi.templates.empty())
addObjectToRandomPool(oi);
}
//pandora box with creatures
const std::vector<int> & tierValues = generator.getConfig().pandoraCreatureValues;
auto creatureToCount = [tierValues](const CCreature * creature) -> int
{
if(!creature->getAIValue() || tierValues.empty()) //bug #2681
return 0; //this box won't be generated
//Follow the rules from https://heroes.thelazy.net/index.php/Pandora%27s_Box
int actualTier = creature->getLevel() > tierValues.size() ?
tierValues.size() - 1 :
creature->getLevel() - 1;
float creaturesAmount = std::floor((static_cast<float>(tierValues[actualTier])) / creature->getAIValue());
if (creaturesAmount < 1)
{
return 0;
}
else if(creaturesAmount <= 5)
{
//No change
}
else if(creaturesAmount <= 12)
{
creaturesAmount = std::ceil(creaturesAmount / 2) * 2;
}
else if(creaturesAmount <= 50)
{
creaturesAmount = std::round(creaturesAmount / 5) * 5;
}
else
{
creaturesAmount = std::round(creaturesAmount / 10) * 10;
}
return static_cast<int>(creaturesAmount);
};
for(auto * creature : creatures)
{
int creaturesAmount = creatureToCount(creature);
if(!creaturesAmount)
continue;
oi.generateObject = [this, creature, creaturesAmount]() -> CGObjectInstance *
{
auto factory = VLC->objtypeh->getHandlerFor(Obj::PANDORAS_BOX, 0);
auto * obj = dynamic_cast<CGPandoraBox *>(factory->create(map.mapInstance->cb, nullptr));
Rewardable::VisitInfo reward;
reward.reward.creatures.emplace_back(creature, creaturesAmount);
reward.visitType = Rewardable::EEventType::EVENT_FIRST_VISIT;
obj->configuration.info.push_back(reward);
return obj;
};
oi.setTemplates(Obj::PANDORAS_BOX, 0, zone.getTerrainType());
oi.value = static_cast<ui32>((2 * (creature->getAIValue()) * creaturesAmount * (1 + static_cast<float>(map.getZoneCount(creature->getFaction())) / map.getTotalZoneCount())) / 3);
oi.probability = 3;
if(!oi.templates.empty())
addObjectToRandomPool(oi);
}
//Pandora with 12 spells of certain level
for(int i = 1; i <= GameConstants::SPELL_LEVELS; i++)
{
oi.generateObject = [i, this]() -> CGObjectInstance *
{
auto factory = VLC->objtypeh->getHandlerFor(Obj::PANDORAS_BOX, 0);
auto * obj = dynamic_cast<CGPandoraBox *>(factory->create(map.mapInstance->cb, nullptr));
std::vector <const CSpell *> spells;
for(auto spellID : VLC->spellh->getDefaultAllowed())
{
if(map.isAllowedSpell(spellID) && spellID.toSpell()->getLevel() == i)
spells.push_back(spellID.toSpell());
}
RandomGeneratorUtil::randomShuffle(spells, zone.getRand());
Rewardable::VisitInfo reward;
for(int j = 0; j < std::min(12, static_cast<int>(spells.size())); j++)
{
reward.reward.spells.push_back(spells[j]->id);
}
reward.visitType = Rewardable::EEventType::EVENT_FIRST_VISIT;
obj->configuration.info.push_back(reward);
return obj;
};
oi.setTemplates(Obj::PANDORAS_BOX, 0, zone.getTerrainType());
oi.value = (i + 1) * generator.getConfig().pandoraMultiplierSpells; //5000 - 15000
oi.probability = 2;
if(!oi.templates.empty())
addObjectToRandomPool(oi);
}
//Pandora with 15 spells of certain school
for(int i = 0; i < 4; i++)
{
oi.generateObject = [i, this]() -> CGObjectInstance *
{
auto factory = VLC->objtypeh->getHandlerFor(Obj::PANDORAS_BOX, 0);
auto * obj = dynamic_cast<CGPandoraBox *>(factory->create(map.mapInstance->cb, nullptr));
std::vector <const CSpell *> spells;
for(auto spellID : VLC->spellh->getDefaultAllowed())
{
if(map.isAllowedSpell(spellID) && spellID.toSpell()->hasSchool(SpellSchool(i)))
spells.push_back(spellID.toSpell());
}
RandomGeneratorUtil::randomShuffle(spells, zone.getRand());
Rewardable::VisitInfo reward;
for(int j = 0; j < std::min(15, static_cast<int>(spells.size())); j++)
{
reward.reward.spells.push_back(spells[j]->id);
}
reward.visitType = Rewardable::EEventType::EVENT_FIRST_VISIT;
obj->configuration.info.push_back(reward);
return obj;
};
oi.setTemplates(Obj::PANDORAS_BOX, 0, zone.getTerrainType());
oi.value = generator.getConfig().pandoraSpellSchool;
oi.probability = 2;
if(!oi.templates.empty())
addObjectToRandomPool(oi);
}
// Pandora box with 60 random spells
oi.generateObject = [this]() -> CGObjectInstance *
{
auto factory = VLC->objtypeh->getHandlerFor(Obj::PANDORAS_BOX, 0);
auto * obj = dynamic_cast<CGPandoraBox *>(factory->create(map.mapInstance->cb, nullptr));
std::vector <const CSpell *> spells;
for(auto spellID : VLC->spellh->getDefaultAllowed())
{
if(map.isAllowedSpell(spellID))
spells.push_back(spellID.toSpell());
}
RandomGeneratorUtil::randomShuffle(spells, zone.getRand());
Rewardable::VisitInfo reward;
for(int j = 0; j < std::min(60, static_cast<int>(spells.size())); j++)
{
reward.reward.spells.push_back(spells[j]->id);
}
reward.visitType = Rewardable::EEventType::EVENT_FIRST_VISIT;
obj->configuration.info.push_back(reward);
return obj;
};
oi.setTemplates(Obj::PANDORAS_BOX, 0, zone.getTerrainType());
oi.value = generator.getConfig().pandoraSpell60;
oi.probability = 2;
if(!oi.templates.empty())
addObjectToRandomPool(oi);
//Seer huts with creatures or generic rewards
if(zone.getConnectedZoneIds().size()) //Unlikely, but...
{
auto * qap = zone.getModificator<QuestArtifactPlacer>();
if(!qap)
{
return; //TODO: throw?
}
const int questArtsRemaining = qap->getMaxQuestArtifactCount();
if (!questArtsRemaining)
{
return;
}
//Generate Seer Hut one by one. Duplicated oi possible and should work fine.
oi.maxPerZone = 1;
std::vector<ObjectInfo> possibleSeerHuts;
//14 creatures per town + 4 for each of gold / exp reward
possibleSeerHuts.reserve(14 + 4 + 4);
RandomGeneratorUtil::randomShuffle(creatures, zone.getRand());
auto setRandomArtifact = [qap](CGSeerHut * obj)
{
ArtifactID artid = qap->drawRandomArtifact();
obj->quest->mission.artifacts.push_back(artid);
qap->addQuestArtifact(artid);
};
auto destroyObject = [qap](CGObjectInstance * obj)
{
auto * seer = dynamic_cast<CGSeerHut *>(obj);
// Artifact can be used again
ArtifactID artid = seer->quest->mission.artifacts.front();
qap->addRandomArtifact(artid);
qap->removeQuestArtifact(artid);
};
for(int i = 0; i < static_cast<int>(creatures.size()); i++)
{
auto * creature = creatures[i];
int creaturesAmount = creatureToCount(creature);
if(!creaturesAmount)
continue;
int randomAppearance = chooseRandomAppearance(zone.getRand(), Obj::SEER_HUT, zone.getTerrainType());
// FIXME: Remove duplicated code for gold, exp and creaure reward
oi.generateObject = [cb=map.mapInstance->cb, creature, creaturesAmount, randomAppearance, setRandomArtifact]() -> CGObjectInstance *
{
auto factory = VLC->objtypeh->getHandlerFor(Obj::SEER_HUT, randomAppearance);
auto * obj = dynamic_cast<CGSeerHut *>(factory->create(cb, nullptr));
Rewardable::VisitInfo reward;
reward.reward.creatures.emplace_back(creature->getId(), creaturesAmount);
reward.visitType = Rewardable::EEventType::EVENT_FIRST_VISIT;
obj->configuration.info.push_back(reward);
setRandomArtifact(obj);
return obj;
};
oi.destroyObject = destroyObject;
oi.probability = 3;
oi.setTemplates(Obj::SEER_HUT, randomAppearance, zone.getTerrainType());
oi.value = static_cast<ui32>(((2 * (creature->getAIValue()) * creaturesAmount * (1 + static_cast<float>(map.getZoneCount(creature->getFaction())) / map.getTotalZoneCount())) - 4000) / 3);
if (oi.value > zone.getMaxTreasureValue())
{
continue;
}
else
{
if(!oi.templates.empty())
possibleSeerHuts.push_back(oi);
}
}
static const int seerLevels = std::min(generator.getConfig().questValues.size(), generator.getConfig().questRewardValues.size());
for(int i = 0; i < seerLevels; i++) //seems that code for exp and gold reward is similar
{
int randomAppearance = chooseRandomAppearance(zone.getRand(), Obj::SEER_HUT, zone.getTerrainType());
oi.setTemplates(Obj::SEER_HUT, randomAppearance, zone.getTerrainType());
oi.value = generator.getConfig().questValues[i];
if (oi.value > zone.getMaxTreasureValue())
{
//Both variants have same value
continue;
}
oi.probability = 10;
oi.maxPerZone = 1;
oi.generateObject = [i, randomAppearance, this, setRandomArtifact]() -> CGObjectInstance *
{
auto factory = VLC->objtypeh->getHandlerFor(Obj::SEER_HUT, randomAppearance);
auto * obj = dynamic_cast<CGSeerHut *>(factory->create(map.mapInstance->cb, nullptr));
Rewardable::VisitInfo reward;
reward.reward.heroExperience = generator.getConfig().questRewardValues[i];
reward.visitType = Rewardable::EEventType::EVENT_FIRST_VISIT;
obj->configuration.info.push_back(reward);
setRandomArtifact(obj);
return obj;
};
oi.destroyObject = destroyObject;
if(!oi.templates.empty())
possibleSeerHuts.push_back(oi);
oi.generateObject = [i, randomAppearance, this, setRandomArtifact]() -> CGObjectInstance *
{
auto factory = VLC->objtypeh->getHandlerFor(Obj::SEER_HUT, randomAppearance);
auto * obj = dynamic_cast<CGSeerHut *>(factory->create(map.mapInstance->cb, nullptr));
Rewardable::VisitInfo reward;
reward.reward.resources[EGameResID::GOLD] = generator.getConfig().questRewardValues[i];
reward.visitType = Rewardable::EEventType::EVENT_FIRST_VISIT;
obj->configuration.info.push_back(reward);
setRandomArtifact(obj);
return obj;
};
oi.destroyObject = destroyObject;
if(!oi.templates.empty())
possibleSeerHuts.push_back(oi);
}
if (possibleSeerHuts.empty())
{
return;
}
for (size_t i = 0; i < questArtsRemaining; i++)
{
addObjectToRandomPool(*RandomGeneratorUtil::nextItem(possibleSeerHuts, zone.getRand()));
}
}
}
size_t TreasurePlacer::getPossibleObjectsSize() const
{
RecursiveLock lock(externalAccessMutex);
return possibleObjects.size();
}
void TreasurePlacer::setMaxPrisons(size_t count)
{
RecursiveLock lock(externalAccessMutex);
maxPrisons = count;
}
size_t TreasurePlacer::getMaxPrisons() const
{
RecursiveLock lock(externalAccessMutex);
return maxPrisons;
}
bool TreasurePlacer::isGuardNeededForTreasure(int value)
{// no guard in a zone with "monsters: none" and for small treasures; water zones cen get monster strength ZONE_NONE elsewhere if needed
return zone.monsterStrength != EMonsterStrength::ZONE_NONE && value > minGuardedValue;
}
std::vector<ObjectInfo*> TreasurePlacer::prepareTreasurePile(const CTreasureInfo& treasureInfo)
{
std::vector<ObjectInfo*> objectInfos;
int maxValue = treasureInfo.max;
int minValue = treasureInfo.min;
const ui32 desiredValue = zone.getRand().nextInt(minValue, maxValue);
int currentValue = 0;
bool hasLargeObject = false;
while(currentValue <= static_cast<int>(desiredValue) - 100) //no objects with value below 100 are available
{
auto * oi = getRandomObject(desiredValue, currentValue, !hasLargeObject);
if(!oi) //fail
break;
bool visitableFromTop = true;
for(auto & t : oi->templates)
if(!t->isVisitableFromTop())
visitableFromTop = false;
if(visitableFromTop)
{
objectInfos.push_back(oi);
}
else
{
objectInfos.insert(objectInfos.begin(), oi); //large object shall at first place
hasLargeObject = true;
}
//remove from possible objects
assert(oi->maxPerZone);
oi->maxPerZone--;
currentValue += oi->value;
if (currentValue >= minValue)
{
// 50% chance to end right here
if (zone.getRand().nextInt() & 1)
break;
}
}
return objectInfos;
}
rmg::Object TreasurePlacer::constructTreasurePile(const std::vector<ObjectInfo*> & treasureInfos, bool densePlacement)
{
rmg::Object rmgObject;
for(const auto & oi : treasureInfos)
{
auto blockedArea = rmgObject.getArea();
auto entrableArea = rmgObject.getEntrableArea();
auto accessibleArea = rmgObject.getAccessibleArea();
if(rmgObject.instances().empty())
{
rmgObject.setValue(0);
accessibleArea.add(int3());
}
auto * object = oi->generateObject();
if(oi->templates.empty())
{
logGlobal->warn("Deleting randomized object with no templates: %s", object->getObjectName());
oi->destroyObject(object);
delete object;
continue;
}
auto templates = object->getObjectHandler()->getMostSpecificTemplates(zone.getTerrainType());
if (templates.empty())
{
throw rmgException(boost::str(boost::format("Did not find template for object (%d,%d) at %s") % object->ID % object->subID % zone.getTerrainType().encode(zone.getTerrainType())));
}
object->appearance = *RandomGeneratorUtil::nextItem(templates, zone.getRand());
//Put object in accessible area next to entrable area (excluding blockvis tiles)
if (!entrableArea.empty())
{
auto entrableBorder = entrableArea.getBorderOutside();
accessibleArea.erase_if([&](const int3 & tile)
{
return !entrableBorder.count(tile);
});
}
auto & instance = rmgObject.addInstance(*object);
rmgObject.setValue(rmgObject.getValue() + oi->value);
instance.onCleared = oi->destroyObject;
do
{
if(accessibleArea.empty())
{
//fail - fallback
rmgObject.clear();
return rmgObject;
}
std::vector<int3> bestPositions;
if(densePlacement && !entrableArea.empty())
{
// Choose positon which has access to as many entrable tiles as possible
int bestPositionsWeight = std::numeric_limits<int>::max();
for(const auto & t : accessibleArea.getTilesVector())
{
instance.setPosition(t);
auto currentAccessibleArea = rmgObject.getAccessibleArea();
auto currentEntrableBorder = rmgObject.getEntrableArea().getBorderOutside();
currentAccessibleArea.erase_if([&](const int3 & tile)
{
return !currentEntrableBorder.count(tile);
});
size_t w = currentAccessibleArea.getTilesVector().size();
if(w > bestPositionsWeight)
{
// Minimum 1 position must be entrable
bestPositions.clear();
bestPositions.push_back(t);
bestPositionsWeight = w;
}
else if(w == bestPositionsWeight)
{
bestPositions.push_back(t);
}
}
}
if (bestPositions.empty())
{
bestPositions = accessibleArea.getTilesVector();
}
int3 nextPos = *RandomGeneratorUtil::nextItem(bestPositions, zone.getRand());
instance.setPosition(nextPos - rmgObject.getPosition());
auto instanceAccessibleArea = instance.getAccessibleArea();
if(instance.getBlockedArea().getTilesVector().size() == 1)
{
if(instance.object().appearance->isVisitableFromTop() && !instance.object().isBlockedVisitable())
instanceAccessibleArea.add(instance.getVisitablePosition());
}
//Do not clean up after first object
if(rmgObject.instances().size() == 1)
break;
if(!blockedArea.overlap(instance.getBlockedArea()) && accessibleArea.overlap(instanceAccessibleArea))
break;
//fail - new position
accessibleArea.erase(nextPos);
} while(true);
}
return rmgObject;
}
ObjectInfo * TreasurePlacer::getRandomObject(ui32 desiredValue, ui32 currentValue, bool allowLargeObjects)
{
std::vector<std::pair<ui32, ObjectInfo*>> thresholds; //handle complex object via pointer
ui32 total = 0;
//calculate actual treasure value range based on remaining value
ui32 maxVal = desiredValue - currentValue;
ui32 minValue = static_cast<ui32>(0.25f * (desiredValue - currentValue));
for(ObjectInfo & oi : possibleObjects) //copy constructor turned out to be costly
{
if(oi.value > maxVal)
break; //this assumes values are sorted in ascending order
bool visitableFromTop = true;
for(auto & t : oi.templates)
if(!t->isVisitableFromTop())
visitableFromTop = false;
if(!visitableFromTop && !allowLargeObjects)
continue;
if(oi.value >= minValue && oi.maxPerZone > 0)
{
total += oi.probability;
thresholds.emplace_back(total, &oi);
}
}
if(thresholds.empty())
{
return nullptr;
}
else
{
int r = zone.getRand().nextInt(1, total);
auto sorter = [](const std::pair<ui32, ObjectInfo *> & rhs, const ui32 lhs) -> bool
{
return static_cast<int>(rhs.first) < lhs;
};
//binary search = fastest
auto it = std::lower_bound(thresholds.begin(), thresholds.end(), r, sorter);
return it->second;
}
}
void TreasurePlacer::createTreasures(ObjectManager& manager)
{
const int maxAttempts = 2;
int mapMonsterStrength = map.getMapGenOptions().getMonsterStrength();
int monsterStrength = (zone.monsterStrength == EMonsterStrength::ZONE_NONE ? 0 : zone.monsterStrength + mapMonsterStrength - 1); //array index from 0 to 4; pick any correct value for ZONE_NONE, minGuardedValue won't be used in this case anyway
static const int minGuardedValues[] = { 6500, 4167, 3000, 1833, 1333 };
minGuardedValue = minGuardedValues[monsterStrength];
const auto blockingGuardMaxValue = zone.getMaxTreasureValue() / 3;
auto valueComparator = [](const CTreasureInfo& lhs, const CTreasureInfo& rhs) -> bool
{
return lhs.max > rhs.max;
};
auto restoreZoneLimits = [](const std::vector<ObjectInfo*>& treasurePile)
{
for (auto* oi : treasurePile)
{
oi->maxPerZone++;
}
};
rmg::Area roads;
auto rp = zone.getModificator<RoadPlacer>();
if (rp)
{
roads = rp->getRoads();
}
rmg::Area nextToRoad(roads.getBorderOutside());
//place biggest treasures first at large distance, place smaller ones inbetween
auto treasureInfo = zone.getTreasureInfo();
boost::sort(treasureInfo, valueComparator);
//sort treasures by ascending value so we can stop checking treasures with too high value
boost::sort(possibleObjects, [](const ObjectInfo& oi1, const ObjectInfo& oi2) -> bool
{
return oi1.value < oi2.value;
});
const size_t size = zone.area()->getTilesVector().size();
int totalDensity = 0;
for (auto t = treasureInfo.begin(); t != treasureInfo.end(); t++)
{
std::vector<rmg::Object> treasures;
//discard objects with too high value to be ever placed
vstd::erase_if(possibleObjects, [t](const ObjectInfo& oi) -> bool
{
return oi.value > t->max;
});
totalDensity += t->density;
const int DENSITY_CONSTANT = 400;
size_t count = (size * t->density) / DENSITY_CONSTANT;
const float minDistance = std::max<float>(std::sqrt(std::min<ui32>(t->min, 30000) / 10.0f / totalDensity), 1.0f);
size_t emergencyLoopFinish = 0;
while(treasures.size() < count && emergencyLoopFinish < count)
{
auto treasurePileInfos = prepareTreasurePile(*t);
if (treasurePileInfos.empty())
{
emergencyLoopFinish++; //Exit potentially infinite loop for bad settings
continue;
}
int value = std::accumulate(treasurePileInfos.begin(), treasurePileInfos.end(), 0, [](int v, const ObjectInfo* oi) {return v + oi->value; });
const ui32 maxPileGenerationAttempts = 2;
for (ui32 attempt = 0; attempt < maxPileGenerationAttempts; attempt++)
{
auto rmgObject = constructTreasurePile(treasurePileInfos, attempt == maxAttempts);
if (rmgObject.instances().empty())
{
// Restore once if all attempts failed
if (attempt == (maxPileGenerationAttempts - 1))
{
restoreZoneLimits(treasurePileInfos);
}
continue;
}
//guard treasure pile
bool guarded = isGuardNeededForTreasure(value);
if (guarded)
guarded = manager.addGuard(rmgObject, value);
treasures.push_back(rmgObject);
break;
}
}
for (auto& rmgObject : treasures)
{
const bool guarded = rmgObject.isGuarded();
auto path = rmg::Path::invalid();
{
Zone::Lock lock(zone.areaMutex); //We are going to subtract this area
auto searchArea = zone.areaPossible().get();
searchArea.erase_if([this, &minDistance](const int3& tile) -> bool
{
auto ti = map.getTileInfo(tile);
return (ti.getNearestObjectDistance() < minDistance);
});
if (guarded)
{
searchArea.subtract(roads);
path = manager.placeAndConnectObject(searchArea, rmgObject, [this, &rmgObject, &minDistance, &manager, blockingGuardMaxValue, &roads, &nextToRoad](const int3& tile)
{
float bestDistance = 10e9;
for (const auto& t : rmgObject.getArea().getTilesVector())
{
float distance = map.getTileInfo(t).getNearestObjectDistance();
if (distance < minDistance)
return -1.f;
else
vstd::amin(bestDistance, distance);
}
// Guard cannot be adjacent to road, but blocked side of an object could be
if (rmgObject.getValue() > blockingGuardMaxValue && nextToRoad.contains(rmgObject.getGuardPos()))
{
return -1.f;
}
const auto & guardedArea = rmgObject.instances().back()->getAccessibleArea();
const auto areaToBlock = rmgObject.getAccessibleArea(true) - guardedArea;
if (zone.freePaths()->overlap(areaToBlock) || roads.overlap(areaToBlock) || manager.getVisitableArea().overlap(areaToBlock))
return -1.f;
// Add huge penalty for objects hiding roads
if (rmgObject.getBorderAbove().overlap(roads))
bestDistance /= 10.0f;
return bestDistance;
}, guarded, false, ObjectManager::OptimizeType::BOTH);
}
else
{
// Do not place non-removable objects on roads
if (!rmgObject.getRemovableArea().contains(rmgObject.getArea()))
{
searchArea.subtract(roads);
}
path = manager.placeAndConnectObject(searchArea, rmgObject, minDistance, guarded, false, ObjectManager::OptimizeType::DISTANCE);
}
}
if (path.valid())
{
#ifdef TREASURE_PLACER_LOG
treasureArea.unite(rmgObject.getArea());
if (guarded)
{
guards.unite(rmgObject.instances().back()->getBlockedArea());
auto guardedArea = rmgObject.instances().back()->getAccessibleArea();
auto areaToBlock = rmgObject.getAccessibleArea(true) - guardedArea;
treasureBlockArea.unite(areaToBlock);
}
#endif
zone.connectPath(path);
manager.placeObject(rmgObject, guarded, true);
}
}
}
}
char TreasurePlacer::dump(const int3 & t)
{
if(guards.contains(t))
return '!';
if(treasureArea.contains(t))
return '$';
if(treasureBlockArea.contains(t))
return '*';
return Modificator::dump(t);
}
void ObjectInfo::setTemplates(MapObjectID type, MapObjectSubID subtype, TerrainId terrainType)
{
auto templHandler = VLC->objtypeh->getHandlerFor(type, subtype);
if(!templHandler)
return;
templates = templHandler->getTemplates(terrainType);
}
VCMI_LIB_NAMESPACE_END
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