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vcmi/AI/Nullkiller/Pathfinding/ObjectGraph.cpp
2024-05-20 22:43:23 +03:00

157 lines
3.4 KiB
C++

/*
* ObjectGraph.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 "ObjectGraph.h"
#include "ObjectGraphCalculator.h"
#include "AIPathfinderConfig.h"
#include "../../../lib/CRandomGenerator.h"
#include "../../../CCallback.h"
#include "../../../lib/mapping/CMap.h"
#include "../Engine/Nullkiller.h"
#include "../../../lib/logging/VisualLogger.h"
#include "Actions/QuestAction.h"
#include "../pforeach.h"
#include "Actions/BoatActions.h"
namespace NKAI
{
bool ObjectGraph::tryAddConnection(
const int3 & from,
const int3 & to,
float cost,
uint64_t danger)
{
auto result = nodes[from].connections[to].update(cost, danger);
auto & connection = nodes[from].connections[to];
if(result && isVirtualBoat(to) && !connection.specialAction)
{
connection.specialAction = std::make_shared<AIPathfinding::BuildBoatActionFactory>(virtualBoats[to]);
}
return result;
}
void ObjectGraph::removeConnection(const int3 & from, const int3 & to)
{
nodes[from].connections.erase(to);
}
void ObjectGraph::updateGraph(const Nullkiller * ai)
{
auto cb = ai->cb;
ObjectGraphCalculator calculator(this, ai);
calculator.setGraphObjects();
calculator.calculateConnections();
calculator.addMinimalDistanceJunctions();
calculator.calculateConnections();
if(NKAI_GRAPH_TRACE_LEVEL >= 1)
dumpToLog("graph");
}
void ObjectGraph::addObject(const CGObjectInstance * obj)
{
if(!hasNodeAt(obj->visitablePos()))
nodes[obj->visitablePos()].init(obj);
}
void ObjectGraph::addVirtualBoat(const int3 & pos, const CGObjectInstance * shipyard)
{
if(!isVirtualBoat(pos))
{
virtualBoats[pos] = shipyard->id;
}
}
void ObjectGraph::registerJunction(const int3 & pos)
{
if(!hasNodeAt(pos))
nodes[pos].initJunction();
}
void ObjectGraph::removeObject(const CGObjectInstance * obj)
{
nodes[obj->visitablePos()].objectExists = false;
if(obj->ID == Obj::BOAT && !isVirtualBoat(obj->visitablePos()))
{
vstd::erase_if(nodes[obj->visitablePos()].connections, [&](const std::pair<int3, ObjectLink> & link) -> bool
{
auto tile = cb->getTile(link.first, false);
return tile && tile->isWater();
});
}
}
void ObjectGraph::connectHeroes(const Nullkiller * ai)
{
for(auto obj : ai->memory->visitableObjs)
{
if(obj && obj->ID == Obj::HERO)
{
addObject(obj);
}
}
for(auto & node : nodes)
{
auto pos = node.first;
auto paths = ai->pathfinder->getPathInfo(pos);
for(AIPath & path : paths)
{
if(path.getFirstBlockedAction())
continue;
auto heroPos = path.targetHero->visitablePos();
nodes[pos].connections[heroPos].update(
std::max(0.0f, path.movementCost()),
path.getPathDanger());
nodes[heroPos].connections[pos].update(
std::max(0.0f, path.movementCost()),
path.getPathDanger());
}
}
}
void ObjectGraph::dumpToLog(std::string visualKey) const
{
logVisual->updateWithLock(visualKey, [&](IVisualLogBuilder & logBuilder)
{
for(auto & tile : nodes)
{
for(auto & node : tile.second.connections)
{
if(NKAI_GRAPH_TRACE_LEVEL >= 2)
{
logAi->trace(
"%s -> %s: %f !%d",
node.first.toString(),
tile.first.toString(),
node.second.cost,
node.second.danger);
}
logBuilder.addLine(tile.first, node.first);
}
}
});
}
}