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Manage block entity lifetime with unique_ptr (#4080)

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This commit is contained in:
peterbell10
2020-04-03 22:23:38 +01:00
committed by GitHub
parent ba048e2101
commit aac592f985
15 changed files with 150 additions and 223 deletions
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133
src/BlockArea.cpp
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@@ -571,11 +571,11 @@ void cBlockArea::CopyTo(cBlockArea & a_Into) const
}
if (HasBlockEntities())
{
ClearBlockEntities(*(a_Into.m_BlockEntities));
a_Into.m_BlockEntities->clear();
for (const auto & keyPair: *m_BlockEntities)
{
const auto & pos = keyPair.second->GetPos();
a_Into.m_BlockEntities->insert({keyPair.first, keyPair.second->Clone(pos)});
a_Into.m_BlockEntities->emplace(keyPair.first, keyPair.second->Clone(pos));
}
}
}
@@ -665,36 +665,22 @@ void cBlockArea::Crop(int a_AddMinX, int a_SubMaxX, int a_AddMinY, int a_SubMaxY
}
if (HasBlockEntities())
{
auto maxX = m_Size.x - a_SubMaxX;
auto maxY = m_Size.y - a_SubMaxY;
auto maxZ = m_Size.z - a_SubMaxZ;
const Vector3i AddMin{ a_AddMinX, a_AddMinY, a_AddMinZ };
const cCuboid CropBox{ AddMin, m_Size - Vector3i{a_SubMaxX, a_SubMaxY, a_SubMaxZ} };
// Move and crop block Entities:
cBlockEntities oldBE;
std::swap(oldBE, *m_BlockEntities);
for (const auto & keyPair: oldBE)
for (auto & keyPair: oldBE)
{
auto & be = keyPair.second;
auto posX = be->GetPosX();
auto posY = be->GetPosY();
auto posZ = be->GetPosZ();
if (
(posX < a_AddMinX) || (posX >= maxX) ||
(posY < a_AddMinY) || (posY >= maxY) ||
(posZ < a_AddMinZ) || (posZ >= maxZ)
)
{
// The block entity is out of new coord range, remove it:
delete be;
}
else
auto Pos = be->GetPos();
if (CropBox.IsInside(Pos))
{
// The block entity is within the new coords, recalculate its coords to match the new area:
posX -= a_AddMinX;
posY -= a_AddMinY;
posZ -= a_AddMinZ;
be->SetPos({posX, posY, posZ});
m_BlockEntities->insert({MakeIndex(posX, posY, posZ), std::move(be)});
Pos -= AddMin;
be->SetPos(Pos);
m_BlockEntities->emplace(MakeIndex(Pos.x, Pos.y, Pos.z), std::move(be));
}
}
}
@@ -732,14 +718,14 @@ void cBlockArea::Expand(int a_SubMinX, int a_AddMaxX, int a_SubMinY, int a_AddMa
// Move block entities:
cBlockEntities oldBE;
std::swap(oldBE, *m_BlockEntities);
for (const auto & keyPair: oldBE)
for (auto & keyPair: oldBE)
{
auto & be = keyPair.second;
auto posX = be->GetPosX() + a_SubMinX;
auto posY = be->GetPosY() + a_SubMinY;
auto posZ = be->GetPosZ() + a_SubMinZ;
be->SetPos({posX, posY, posZ});
m_BlockEntities->insert({MakeIndex(posX, posY, posZ), std::move(be)});
m_BlockEntities->emplace(MakeIndex(posX, posY, posZ), std::move(be));
}
}
@@ -833,7 +819,7 @@ void cBlockArea::Fill(int a_DataTypes, BLOCKTYPE a_BlockType, NIBBLETYPE a_Block
}
else
{
ClearBlockEntities(*m_BlockEntities);
m_BlockEntities->clear();
}
}
}
@@ -893,7 +879,7 @@ void cBlockArea::FillRelCuboid(int a_MinRelX, int a_MaxRelX, int a_MinRelY, int
}
else
{
ClearBlockEntities(*m_BlockEntities);
m_BlockEntities->clear();
}
}
}
@@ -1093,7 +1079,7 @@ void cBlockArea::RotateCCW(void)
{
cBlockEntities oldBE;
std::swap(oldBE, *m_BlockEntities);
for (const auto & keyPair: oldBE)
for (auto & keyPair: oldBE)
{
auto & be = keyPair.second;
auto newX = be->GetPosZ();
@@ -1101,7 +1087,7 @@ void cBlockArea::RotateCCW(void)
auto newZ = m_Size.x - be->GetPosX() - 1;
auto newIdx = newX + newZ * m_Size.z + newY * m_Size.x * m_Size.z;
be->SetPos({newX, newY, newZ});
m_BlockEntities->insert({newIdx, std::move(be)});
m_BlockEntities->emplace(newIdx, std::move(be));
}
}
@@ -1153,7 +1139,7 @@ void cBlockArea::RotateCW(void)
{
cBlockEntities oldBE;
std::swap(oldBE, *m_BlockEntities);
for (const auto & keyPair: oldBE)
for (auto & keyPair: oldBE)
{
auto & be = keyPair.second;
auto newX = m_Size.z - be->GetPosZ() - 1;
@@ -1161,7 +1147,7 @@ void cBlockArea::RotateCW(void)
auto newZ = be->GetPosX();
auto newIdx = newX + newZ * m_Size.z + newY * m_Size.x * m_Size.z;
be->SetPos({newX, newY, newZ});
m_BlockEntities->insert({newIdx, std::move(be)});
m_BlockEntities->emplace(newIdx, std::move(be));
}
}
@@ -1212,7 +1198,7 @@ void cBlockArea::MirrorXY(void)
{
cBlockEntities oldBE;
std::swap(oldBE, *m_BlockEntities);
for (const auto & keyPair: oldBE)
for (auto & keyPair: oldBE)
{
auto & be = keyPair.second;
auto newX = be->GetPosX();
@@ -1220,7 +1206,7 @@ void cBlockArea::MirrorXY(void)
auto newZ = MaxZ - be->GetPosZ();
auto newIdx = MakeIndex(newX, newY, newZ);
be->SetPos({newX, newY, newZ});
m_BlockEntities->insert({newIdx, std::move(be)});
m_BlockEntities->emplace(newIdx, std::move(be));
}
}
}
@@ -1269,7 +1255,7 @@ void cBlockArea::MirrorXZ(void)
{
cBlockEntities oldBE;
std::swap(oldBE, *m_BlockEntities);
for (const auto & keyPair: oldBE)
for (auto & keyPair: oldBE)
{
auto & be = keyPair.second;
auto newX = be->GetPosX();
@@ -1277,7 +1263,7 @@ void cBlockArea::MirrorXZ(void)
auto newZ = be->GetPosZ();
auto newIdx = MakeIndex(newX, newY, newZ);
be->SetPos({newX, newY, newZ});
m_BlockEntities->insert({newIdx, std::move(be)});
m_BlockEntities->emplace(newIdx, std::move(be));
}
}
}
@@ -1326,7 +1312,7 @@ void cBlockArea::MirrorYZ(void)
{
cBlockEntities oldBE;
std::swap(oldBE, *m_BlockEntities);
for (const auto & keyPair: oldBE)
for (auto & keyPair: oldBE)
{
auto & be = keyPair.second;
auto newX = MaxX - be->GetPosX();
@@ -1334,7 +1320,7 @@ void cBlockArea::MirrorYZ(void)
auto newZ = be->GetPosZ();
auto newIdx = MakeIndex(newX, newY, newZ);
be->SetPos({newX, newY, newZ});
m_BlockEntities->insert({newIdx, std::move(be)});
m_BlockEntities->emplace(newIdx, std::move(be));
}
}
}
@@ -1385,7 +1371,7 @@ void cBlockArea::RotateCCWNoMeta(void)
{
cBlockEntities oldBE;
std::swap(oldBE, *m_BlockEntities);
for (const auto & keyPair: oldBE)
for (auto & keyPair: oldBE)
{
auto & be = keyPair.second;
auto newX = be->GetPosZ();
@@ -1393,7 +1379,7 @@ void cBlockArea::RotateCCWNoMeta(void)
auto newZ = m_Size.x - be->GetPosX() - 1;
auto newIdx = newX + newZ * m_Size.z + newY * m_Size.x * m_Size.z;
be->SetPos({newX, newY, newZ});
m_BlockEntities->insert({newIdx, std::move(be)});
m_BlockEntities->emplace(newIdx, std::move(be));
}
}
@@ -1446,7 +1432,7 @@ void cBlockArea::RotateCWNoMeta(void)
{
cBlockEntities oldBE;
std::swap(oldBE, *m_BlockEntities);
for (const auto & keyPair: oldBE)
for (auto & keyPair: oldBE)
{
auto & be = keyPair.second;
auto newX = m_Size.z - be->GetPosZ() - 1;
@@ -1454,7 +1440,7 @@ void cBlockArea::RotateCWNoMeta(void)
auto newZ = be->GetPosX();
auto newIdx = newX + newZ * m_Size.z + newY * m_Size.x * m_Size.z;
be->SetPos({newX, newY, newZ});
m_BlockEntities->insert({newIdx, std::move(be)});
m_BlockEntities->emplace(newIdx, std::move(be));
}
}
@@ -1502,7 +1488,7 @@ void cBlockArea::MirrorXYNoMeta(void)
{
cBlockEntities oldBE;
std::swap(oldBE, *m_BlockEntities);
for (const auto & keyPair: oldBE)
for (auto & keyPair: oldBE)
{
auto & be = keyPair.second;
auto newX = be->GetPosX();
@@ -1510,7 +1496,7 @@ void cBlockArea::MirrorXYNoMeta(void)
auto newZ = MaxZ - be->GetPosZ();
auto newIdx = MakeIndex(newX, newY, newZ);
be->SetPos({newX, newY, newZ});
m_BlockEntities->insert({newIdx, std::move(be)});
m_BlockEntities->emplace(newIdx, std::move(be));
}
}
}
@@ -1556,7 +1542,7 @@ void cBlockArea::MirrorXZNoMeta(void)
{
cBlockEntities oldBE;
std::swap(oldBE, *m_BlockEntities);
for (const auto & keyPair: oldBE)
for (auto & keyPair: oldBE)
{
auto & be = keyPair.second;
auto newX = be->GetPosX();
@@ -1564,7 +1550,7 @@ void cBlockArea::MirrorXZNoMeta(void)
auto newZ = be->GetPosZ();
auto newIdx = MakeIndex(newX, newY, newZ);
be->SetPos({newX, newY, newZ});
m_BlockEntities->insert({newIdx, std::move(be)});
m_BlockEntities->emplace(newIdx, std::move(be));
}
}
}
@@ -1610,7 +1596,7 @@ void cBlockArea::MirrorYZNoMeta(void)
{
cBlockEntities oldBE;
std::swap(oldBE, *m_BlockEntities);
for (const auto & keyPair: oldBE)
for (auto & keyPair: oldBE)
{
auto & be = keyPair.second;
auto newX = MaxX - be->GetPosX();
@@ -1618,7 +1604,7 @@ void cBlockArea::MirrorYZNoMeta(void)
auto newZ = be->GetPosZ();
auto newIdx = MakeIndex(newX, newY, newZ);
be->SetPos({newX, newY, newZ});
m_BlockEntities->insert({newIdx, std::move(be)});
m_BlockEntities->emplace(newIdx, std::move(be));
}
}
}
@@ -1649,7 +1635,7 @@ void cBlockArea::SetRelBlockType(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a
if (cBlockEntity::IsBlockEntityBlockType(a_BlockType))
{
NIBBLETYPE meta = HasBlockMetas() ? m_BlockMetas[idx] : 0;
m_BlockEntities->insert({idx, cBlockEntity::CreateByBlockType(a_BlockType, meta, {a_RelX, a_RelY, a_RelZ})});
m_BlockEntities->emplace(idx, cBlockEntity::CreateByBlockType(a_BlockType, meta, {a_RelX, a_RelY, a_RelZ}));
}
}
}
@@ -1842,7 +1828,7 @@ void cBlockArea::SetRelBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, B
}
if (cBlockEntity::IsBlockEntityBlockType(a_BlockType))
{
m_BlockEntities->insert({idx, cBlockEntity::CreateByBlockType(a_BlockType, a_BlockMeta, {a_RelX, a_RelY, a_RelZ})});
m_BlockEntities->emplace(idx, cBlockEntity::CreateByBlockType(a_BlockType, a_BlockMeta, {a_RelX, a_RelY, a_RelZ}));
}
}
}
@@ -2432,7 +2418,7 @@ void cBlockArea::RelSetData(
if (cBlockEntity::IsBlockEntityBlockType(a_BlockType))
{
// The block type should have a block entity attached to it, create an empty one:
m_BlockEntities->insert({Index, cBlockEntity::CreateByBlockType(a_BlockType, a_BlockMeta, {a_RelX, a_RelY, a_RelZ})});
m_BlockEntities->emplace(Index, cBlockEntity::CreateByBlockType(a_BlockType, a_BlockMeta, {a_RelX, a_RelY, a_RelZ}));
}
}
}
@@ -2600,19 +2586,6 @@ void cBlockArea::MergeByStrategy(const cBlockArea & a_Src, int a_RelX, int a_Rel
void cBlockArea::ClearBlockEntities(cBlockEntities & a_BlockEntities)
{
for (auto & keyPair: a_BlockEntities)
{
delete keyPair.second;
}
a_BlockEntities.clear();
}
void cBlockArea::MergeBlockEntities(int a_RelX, int a_RelY, int a_RelZ, const cBlockArea & a_Src)
{
// Only supported with both BlockEntities and BlockTypes (caller should check):
@@ -2652,13 +2625,13 @@ void cBlockArea::MergeBlockEntities(int a_RelX, int a_RelY, int a_RelZ, const cB
auto itrSrc = a_Src.m_BlockEntities->find(srcIdx);
if (itrSrc != a_Src.m_BlockEntities->end())
{
m_BlockEntities->insert({idx, itrSrc->second->Clone({x, y, z})});
m_BlockEntities->emplace(idx, itrSrc->second->Clone({x, y, z}));
continue;
}
}
// No BE found in a_Src, insert a new empty one:
NIBBLETYPE meta = HasBlockMetas() ? m_BlockMetas[idx] : 0;
m_BlockEntities->insert({idx, cBlockEntity::CreateByBlockType(type, meta, {x, y, z})});
m_BlockEntities->emplace(idx, cBlockEntity::CreateByBlockType(type, meta, {x, y, z}));
} // for x, z, y
}
@@ -2694,7 +2667,7 @@ void cBlockArea::RescanBlockEntities(void)
}
// Create a new BE for this block:
NIBBLETYPE meta = HasBlockMetas() ? m_BlockMetas[idx] : 0;
m_BlockEntities->insert({idx, cBlockEntity::CreateByBlockType(type, meta, {x, y, z})});
m_BlockEntities->emplace(idx, cBlockEntity::CreateByBlockType(type, meta, {x, y, z}));
} // for x, z, y
}
@@ -2715,11 +2688,7 @@ void cBlockArea::RemoveNonMatchingBlockEntities(void)
auto type = m_BlockTypes[static_cast<size_t>(keyPair.first)];
if (type == keyPair.second->GetBlockType())
{
m_BlockEntities->insert({keyPair.first, std::move(keyPair.second)});
}
else
{
delete keyPair.second;
m_BlockEntities->insert(std::move(keyPair));
}
}
}
@@ -2735,23 +2704,7 @@ cBlockEntity * cBlockArea::GetBlockEntityRel(Vector3i a_RelPos)
return nullptr;
}
auto itr = m_BlockEntities->find(MakeIndex(a_RelPos));
return (itr == m_BlockEntities->end()) ? nullptr : itr->second;
}
////////////////////////////////////////////////////////////////////////////////
// cBlockArea::sBlockEntityDeleter:
void cBlockArea::sBlockEntitiesDeleter::operator () (cBlockEntities * a_BlockEntities)
{
if (a_BlockEntities != nullptr)
{
ClearBlockEntities(*a_BlockEntities);
delete a_BlockEntities;
}
return (itr == m_BlockEntities->end()) ? nullptr : itr->second.get();
}
@@ -2996,7 +2949,7 @@ void cBlockArea::cChunkReader::BlockEntity(cBlockEntity * a_BlockEntity)
}
auto areaPos = a_BlockEntity->GetPos() - m_Area.m_Origin;
auto Idx = m_Area.MakeIndex(areaPos);
m_Area.m_BlockEntities->insert({Idx, a_BlockEntity->Clone(areaPos)});
m_Area.m_BlockEntities->emplace(Idx, a_BlockEntity->Clone(areaPos));
}