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#include "BuildingMaskMap.h"
#include "GlobalConstants.h"
BuildingMaskMap* buildingMaskMap = nullptr;
CR_BIND(BuildingMaskMap, ())
CR_REG_METADATA(BuildingMaskMap, (
CR_MEMBER(maskMap)
))
bool BuildingMaskMap::CheckBounds(unsigned int x, unsigned int z)
{
return ((x < mapDims.hmapx) && (z < mapDims.hmapy));
}
// sets mask value for tile[x,z] in 2*SQUARE_SIZE coordinates
bool BuildingMaskMap::SetTileMask(unsigned int x, unsigned int z, std::uint16_t value)
{
if (!CheckBounds(x, z))
return false;
maskMap[x + z * mapDims.hmapx] = value;
return true;
}
// tests previously set mask for tile[x,z] in 2*SQUARE_SIZE coordinates against supplied value
// true - construction is allowed, false - it's not
bool BuildingMaskMap::TestTileMaskUnsafe(unsigned int x, unsigned int z, std::uint16_t value)
{
assert(CheckBounds(x, z));
return (maskMap[x + z * mapDims.hmapx] & value) == value;
}
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