Vector3iSet GraspSet::intersection(const Vector3iSet& set1, const Vector3iSet& set2) const
{
if (set2.size() < set1.size())
{
return intersection(set2, set1);
}
Vector3iSet set_out(set1.size());
for (Vector3iSet::const_iterator it = set1.begin(); it != set1.end(); it++)
{
if (set2.find(*it) != set2.end())
{
set_out.insert(*it);
}
}
return set_out;
}
void cBlockPistonHandler::PushBlocks(
const Vector3iSet & a_BlocksToPush,
cWorld * a_World, const Vector3i & a_PushDir
)
{
// Sort blocks to move the blocks first, which are farest away from the piston
// This prevents the overwriting of existing blocks
std::vector<Vector3i> sortedBlocks(a_BlocksToPush.begin(), a_BlocksToPush.end());
std::sort(sortedBlocks.begin(), sortedBlocks.end(), [a_PushDir](const Vector3i & a, const Vector3i & b)
{
return a.Dot(a_PushDir) > b.Dot(a_PushDir);
});
// Move every block
BLOCKTYPE moveBlock;
NIBBLETYPE moveMeta;
for (auto & moveBlockPos : sortedBlocks)
{
a_World->GetBlockTypeMeta(moveBlockPos.x, moveBlockPos.y, moveBlockPos.z, moveBlock, moveMeta);
a_World->SetBlock(moveBlockPos.x, moveBlockPos.y, moveBlockPos.z, E_BLOCK_AIR, 0);
moveBlockPos += a_PushDir;
if (cBlockInfo::IsPistonBreakable(moveBlock))
{
// Block is breakable, drop it
cBlockHandler * Handler = BlockHandler(moveBlock);
if (Handler->DoesDropOnUnsuitable())
{
cChunkInterface ChunkInterface(a_World->GetChunkMap());
cBlockInServerPluginInterface PluginInterface(*a_World);
Handler->DropBlock(ChunkInterface, *a_World, PluginInterface, nullptr,
moveBlockPos.x, moveBlockPos.y, moveBlockPos.z
);
}
} else
{
// Not breakable, just move it
a_World->SetBlock(moveBlockPos.x, moveBlockPos.y, moveBlockPos.z, moveBlock, moveMeta);
}
}
}
