mirror of
https://github.com/vcmi/vcmi.git
synced 2024-12-28 23:06:24 +02:00
148 lines
3.5 KiB
C++
148 lines
3.5 KiB
C++
/*
|
|
* AIMovementAfterDestinationRule.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 "AIMovementAfterDestinationRule.h"
|
|
#include "../Actions/BattleAction.h"
|
|
|
|
namespace AIPathfinding
|
|
{
|
|
AIMovementAfterDestinationRule::AIMovementAfterDestinationRule(
|
|
CPlayerSpecificInfoCallback * cb,
|
|
std::shared_ptr<AINodeStorage> nodeStorage)
|
|
:cb(cb), nodeStorage(nodeStorage)
|
|
{
|
|
}
|
|
|
|
void AIMovementAfterDestinationRule::process(
|
|
const PathNodeInfo & source,
|
|
CDestinationNodeInfo & destination,
|
|
const PathfinderConfig * pathfinderConfig,
|
|
CPathfinderHelper * pathfinderHelper) const
|
|
{
|
|
if(nodeStorage->hasBetterChain(source, destination))
|
|
{
|
|
destination.blocked = true;
|
|
|
|
return;
|
|
}
|
|
|
|
auto blocker = getBlockingReason(source, destination, pathfinderConfig, pathfinderHelper);
|
|
|
|
if(blocker == BlockingReason::NONE)
|
|
return;
|
|
|
|
if(blocker == BlockingReason::DESTINATION_BLOCKVIS && destination.nodeObject)
|
|
{
|
|
auto objID = destination.nodeObject->ID;
|
|
auto enemyHero = objID == Obj::HERO && destination.objectRelations == PlayerRelations::ENEMIES;
|
|
|
|
if(!enemyHero && !isObjectRemovable(destination.nodeObject))
|
|
{
|
|
destination.blocked = true;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if(blocker == BlockingReason::DESTINATION_VISIT)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if(blocker == BlockingReason::DESTINATION_GUARDED)
|
|
{
|
|
auto srcGuardians = cb->getGuardingCreatures(source.coord);
|
|
auto destGuardians = cb->getGuardingCreatures(destination.coord);
|
|
|
|
if(destGuardians.empty())
|
|
{
|
|
destination.blocked = true;
|
|
|
|
return;
|
|
}
|
|
|
|
vstd::erase_if(destGuardians, [&](const CGObjectInstance * destGuard) -> bool
|
|
{
|
|
return vstd::contains(srcGuardians, destGuard);
|
|
});
|
|
|
|
auto guardsAlreadyBypassed = destGuardians.empty() && srcGuardians.size();
|
|
if(guardsAlreadyBypassed && nodeStorage->isBattleNode(source.node))
|
|
{
|
|
#ifdef VCMI_TRACE_PATHFINDER
|
|
logAi->trace(
|
|
"Bypass guard at destination while moving %s -> %s",
|
|
source.coord.toString(),
|
|
destination.coord.toString());
|
|
#endif
|
|
|
|
return;
|
|
}
|
|
|
|
const AIPathNode * destNode = nodeStorage->getAINode(destination.node);
|
|
auto battleNodeOptional = nodeStorage->getOrCreateNode(
|
|
destination.coord,
|
|
destination.node->layer,
|
|
destNode->chainMask | AINodeStorage::BATTLE_CHAIN);
|
|
|
|
if(!battleNodeOptional)
|
|
{
|
|
#ifdef VCMI_TRACE_PATHFINDER
|
|
logAi->trace(
|
|
"Can not allocate battle node while moving %s -> %s",
|
|
source.coord.toString(),
|
|
destination.coord.toString());
|
|
#endif
|
|
|
|
destination.blocked = true;
|
|
|
|
return;
|
|
}
|
|
|
|
AIPathNode * battleNode = battleNodeOptional.get();
|
|
|
|
if(battleNode->locked)
|
|
{
|
|
#ifdef VCMI_TRACE_PATHFINDER
|
|
logAi->trace(
|
|
"Block bypass guard at destination while moving %s -> %s",
|
|
source.coord.toString(),
|
|
destination.coord.toString());
|
|
#endif
|
|
destination.blocked = true;
|
|
|
|
return;
|
|
}
|
|
|
|
auto danger = nodeStorage->evaluateDanger(destination.coord);
|
|
|
|
destination.node = battleNode;
|
|
nodeStorage->commit(destination, source);
|
|
|
|
if(battleNode->danger < danger)
|
|
{
|
|
battleNode->danger = danger;
|
|
}
|
|
|
|
battleNode->specialAction = std::make_shared<BattleAction>(destination.coord);
|
|
#ifdef VCMI_TRACE_PATHFINDER
|
|
logAi->trace(
|
|
"Begin bypass guard at destination with danger %s while moving %s -> %s",
|
|
std::to_string(danger),
|
|
source.coord.toString(),
|
|
destination.coord.toString());
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
destination.blocked = true;
|
|
}
|
|
}
|