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/*
* Functions.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 "Functions.h"
#include "CMapGenerator.h"
#include "RmgMap.h"
#include "TileInfo.h"
#include "RmgPath.h"
#include "../TerrainHandler.h"
#include "../mapping/CMap.h"
#include "../mapObjectConstructors/AObjectTypeHandler.h"
#include "../mapObjectConstructors/CObjectClassesHandler.h"
#include "../VCMI_Lib.h"
#include <vstd/RNG.h>
VCMI_LIB_NAMESPACE_BEGIN
void replaceWithCurvedPath(rmg::Path & path, const Zone & zone, const int3 & src, bool onlyStraight /* = true */)
{
auto costFunction = rmg::Path::createCurvedCostFunction(zone.area()->getBorder());
auto pathArea = zone.areaForRoads();
rmg::Path curvedPath(pathArea);
curvedPath.connect(zone.freePaths().get());
curvedPath = curvedPath.search(src, onlyStraight, costFunction);
if (curvedPath.valid())
{
path = curvedPath;
}
else
{
logGlobal->warn("Failed to create curved path to %s", src.toString());
}
}
rmg::Tileset collectDistantTiles(const Zone& zone, int distance)
{
uint32_t distanceSq = distance * distance;
auto subarea = zone.area()->getSubarea([&zone, distanceSq](const int3 & t)
{
return t.dist2dSQ(zone.getPos()) > distanceSq;
});
return subarea.getTiles();
}
int chooseRandomAppearance(vstd::RNG & generator, si32 ObjID, TerrainId terrain)
{
auto factories = VLC->objtypeh->knownSubObjects(ObjID);
vstd::erase_if(factories, [ObjID, &terrain](si32 f)
{
//TODO: Use templates with lowest number of terrains (most specific)
return VLC->objtypeh->getHandlerFor(ObjID, f)->getTemplates(terrain).empty();
});
return *RandomGeneratorUtil::nextItem(factories, generator);
}
VCMI_LIB_NAMESPACE_END
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