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vcmi/lib/rmg/RmgObject.cpp

328 lines
8.6 KiB
C++

/*
* RmgObject.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 "RmgObject.h"
#include "RmgMap.h"
#include "../mapObjects/CObjectHandler.h"
#include "../mapping/CMapEditManager.h"
#include "../mapping/CMap.h"
#include "../VCMI_Lib.h"
#include "../mapObjects/CommonConstructors.h"
#include "../mapObjects/MapObjects.h" //needed to resolve templates for CommonConstructors.h
#include "Functions.h"
using namespace rmg;
Object::Instance::Instance(const Object& parent, CGObjectInstance & object): dParent(parent), dObject(object)
{
setPosition(dPosition);
}
Object::Instance::Instance(const Object& parent, CGObjectInstance & object, const int3 & position): Instance(parent, object)
{
setPosition(position);
}
const Area & Object::Instance::getBlockedArea() const
{
if(dBlockedAreaCache.empty())
{
dBlockedAreaCache.assign(dObject.getBlockedPos());
if(dObject.isVisitable() || dBlockedAreaCache.empty())
dBlockedAreaCache.add(dObject.visitablePos());
}
return dBlockedAreaCache;
}
int3 Object::Instance::getPosition(bool isAbsolute) const
{
if(isAbsolute)
return dPosition + dParent.getPosition();
else
return dPosition;
}
int3 Object::Instance::getVisitablePosition() const
{
return dObject.visitablePos();
}
const rmg::Area & Object::Instance::getAccessibleArea() const
{
if(dAccessibleAreaCache.empty())
{
auto neighbours = rmg::Area({getVisitablePosition()}).getBorderOutside();
rmg::Area visitable = rmg::Area(neighbours) - getBlockedArea();
for(auto & from : visitable.getTiles())
{
if(isVisitableFrom(from))
dAccessibleAreaCache.add(from);
}
}
return dAccessibleAreaCache;
}
void Object::Instance::setPosition(const int3 & position)
{
dPosition = position;
dObject.pos = dPosition + dParent.getPosition();
dBlockedAreaCache.clear();
dAccessibleAreaCache.clear();
dParent.dAccessibleAreaCache.clear();
dParent.dAccessibleAreaFullCache.clear();
dParent.dFullAreaCache.clear();
}
void Object::Instance::setPositionRaw(const int3 & position)
{
if(!dObject.pos.valid())
{
dObject.pos = dPosition + dParent.getPosition();
dBlockedAreaCache.clear();
dAccessibleAreaCache.clear();
dParent.dAccessibleAreaCache.clear();
dParent.dAccessibleAreaFullCache.clear();
dParent.dFullAreaCache.clear();
}
auto shift = position + dParent.getPosition() - dObject.pos;
dAccessibleAreaCache.translate(shift);
dBlockedAreaCache.translate(shift);
dPosition = position;
dObject.pos = dPosition + dParent.getPosition();
}
void Object::Instance::setTemplate(const Terrain & terrain)
{
if(dObject.appearance->id == Obj::NO_OBJ)
{
auto templates = VLC->objtypeh->getHandlerFor(dObject.ID, dObject.subID)->getTemplates(terrain);
if(templates.empty())
throw rmgException(boost::to_string(boost::format("Did not find graphics for object (%d,%d) at %s") % dObject.ID % dObject.subID % static_cast<std::string>(terrain)));
dObject.appearance = templates.front();
}
dAccessibleAreaCache.clear();
setPosition(getPosition(false));
}
void Object::Instance::clear()
{
delete &dObject;
dBlockedAreaCache.clear();
dAccessibleAreaCache.clear();
dParent.dAccessibleAreaCache.clear();
dParent.dAccessibleAreaFullCache.clear();
dParent.dFullAreaCache.clear();
}
bool Object::Instance::isVisitableFrom(const int3 & position) const
{
auto relPosition = position - getPosition(true);
return dObject.appearance->isVisitableFrom(relPosition.x, relPosition.y);
}
CGObjectInstance & Object::Instance::object()
{
return dObject;
}
const CGObjectInstance & Object::Instance::object() const
{
return dObject;
}
Object::Object(CGObjectInstance & object, const int3 & position)
{
addInstance(object, position);
}
Object::Object(CGObjectInstance & object)
{
addInstance(object);
}
Object::Object(const Object & object)
{
dStrenght = object.dStrenght;
for(auto & i : object.dInstances)
addInstance(const_cast<CGObjectInstance &>(i.object()), i.getPosition());
setPosition(object.getPosition());
}
std::list<Object::Instance*> Object::instances()
{
std::list<Object::Instance*> result;
for(auto & i : dInstances)
result.push_back(&i);
return result;
}
std::list<const Object::Instance*> Object::instances() const
{
std::list<const Object::Instance*> result;
for(const auto & i : dInstances)
result.push_back(&i);
return result;
}
void Object::addInstance(Instance & object)
{
//assert(object.dParent == *this);
dInstances.push_back(object);
dFullAreaCache.clear();
dAccessibleAreaCache.clear();
dAccessibleAreaFullCache.clear();
}
Object::Instance & Object::addInstance(CGObjectInstance & object)
{
dInstances.emplace_back(*this, object);
dFullAreaCache.clear();
dAccessibleAreaCache.clear();
dAccessibleAreaFullCache.clear();
return dInstances.back();
}
Object::Instance & Object::addInstance(CGObjectInstance & object, const int3 & position)
{
dInstances.emplace_back(*this, object, position);
dFullAreaCache.clear();
dAccessibleAreaCache.clear();
dAccessibleAreaFullCache.clear();
return dInstances.back();
}
const int3 & Object::getPosition() const
{
return dPosition;
}
int3 Object::getVisitablePosition() const
{
assert(!dInstances.empty());
for(auto & instance : dInstances)
if(!getArea().contains(instance.getVisitablePosition()))
return instance.getVisitablePosition();
return dInstances.back().getVisitablePosition(); //fallback - return position of last object
}
const rmg::Area & Object::getAccessibleArea(bool exceptLast) const
{
if(dInstances.empty())
return dAccessibleAreaFullCache;
if(exceptLast && !dAccessibleAreaCache.empty())
return dAccessibleAreaCache;
if(!exceptLast && !dAccessibleAreaFullCache.empty())
return dAccessibleAreaFullCache;
for(auto i = dInstances.begin(); i != std::prev(dInstances.end()); ++i)
dAccessibleAreaCache.unite(i->getAccessibleArea());
dAccessibleAreaFullCache = dAccessibleAreaCache;
dAccessibleAreaFullCache.unite(dInstances.back().getAccessibleArea());
dAccessibleAreaCache.subtract(getArea());
dAccessibleAreaFullCache.subtract(getArea());
if(exceptLast)
return dAccessibleAreaCache;
else
return dAccessibleAreaFullCache;
}
void Object::setPosition(const int3 & position)
{
dAccessibleAreaCache.translate(position - dPosition);
dAccessibleAreaFullCache.translate(position - dPosition);
dFullAreaCache.translate(position - dPosition);
dPosition = position;
for(auto& i : dInstances)
i.setPositionRaw(i.getPosition());
}
void Object::setTemplate(const Terrain & terrain)
{
for(auto& i : dInstances)
i.setTemplate(terrain);
}
const Area & Object::getArea() const
{
if(!dFullAreaCache.empty() || dInstances.empty())
return dFullAreaCache;
for(const auto & instance : dInstances)
{
dFullAreaCache.unite(instance.getBlockedArea());
}
return dFullAreaCache;
}
void Object::Instance::finalize(RmgMap & map)
{
if(!map.isOnMap(getPosition(true)))
throw rmgException(boost::to_string(boost::format("Position of object %d at %s is outside the map") % dObject.id % getPosition(true).toString()));
if (dObject.isVisitable() && !map.isOnMap(dObject.visitablePos()))
throw rmgException(boost::to_string(boost::format("Visitable tile %s of object %d at %s is outside the map") % dObject.visitablePos().toString() % dObject.id % dObject.pos.toString()));
for (auto & tile : dObject.getBlockedPos())
{
if(!map.isOnMap(tile))
throw rmgException(boost::to_string(boost::format("Tile %s of object %d at %s is outside the map") % tile.toString() % dObject.id % dObject.pos.toString()));
}
if (dObject.appearance->id == Obj::NO_OBJ)
{
auto terrainType = map.map().getTile(getPosition(true)).terType;
auto templates = VLC->objtypeh->getHandlerFor(dObject.ID, dObject.subID)->getTemplates(terrainType);
if (templates.empty())
throw rmgException(boost::to_string(boost::format("Did not find graphics for object (%d,%d) at %s (terrain %d)") % dObject.ID % dObject.subID % getPosition(true).toString() % terrainType));
setTemplate(terrainType);
}
for(auto & tile : getBlockedArea().getTilesVector())
{
map.setOccupied(tile, ETileType::ETileType::USED);
}
map.getEditManager()->insertObject(&dObject);
}
void Object::finalize(RmgMap & map)
{
if(dInstances.empty())
throw rmgException("Cannot finalize object without instances");
for(auto iter = dInstances.begin(); iter != dInstances.end(); ++iter)
{
iter->finalize(map);
}
}
void Object::clear()
{
for(auto & instance : dInstances)
instance.clear();
dInstances.clear();
dFullAreaCache.clear();
dAccessibleAreaCache.clear();
dAccessibleAreaFullCache.clear();
}