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/*
* AccessibilityInfo.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 "AccessibilityInfo.h"
#include "BattleHex.h"
#include "Unit.h"
#include "../GameConstants.h"
VCMI_LIB_NAMESPACE_BEGIN
bool AccessibilityInfo::tileAccessibleWithGate(const BattleHex & tile, BattleSide side) const
{
//at(otherHex) != EAccessibility::ACCESSIBLE && (at(otherHex) != EAccessibility::GATE || side != BattleSide::DEFENDER)
const auto & accessibility = at(tile.toInt());
if(accessibility == EAccessibility::ALIVE_STACK)
{
if(!destructibleEnemyTurns)
return false;
return destructibleEnemyTurns->at(tile.toInt()) >= 0;
}
if(accessibility != EAccessibility::ACCESSIBLE)
if(accessibility != EAccessibility::GATE || side != BattleSide::DEFENDER)
return false;
return true;
}
bool AccessibilityInfo::accessible(const BattleHex & tile, const battle::Unit * stack) const
{
return accessible(tile, stack->doubleWide(), stack->unitSide());
}
bool AccessibilityInfo::accessible(const BattleHex & tile, bool doubleWide, BattleSide side) const
{
// All hexes that stack would cover if standing on tile have to be accessible.
//do not use getHexes for speed reasons
if(!tile.isValid())
return false;
if(!tileAccessibleWithGate(tile, side))
return false;
if(doubleWide)
{
auto otherHex = battle::Unit::occupiedHex(tile, doubleWide, side);
if(!otherHex.isValid())
return false;
if(!tileAccessibleWithGate(otherHex, side))
return false;
}
return true;
}
VCMI_LIB_NAMESPACE_END
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