flewkey/cuberite-2a
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This commit is contained in:
Tiger Wang 2014-04-24 21:49:56 +01:00
parent 01546020fc
commit ffce8d6907
2 changed files with 27 additions and 100 deletions
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28
src/Chunk.cpp
View File

@ -378,16 +378,14 @@ void cChunk::SetLight(
// TODO: We might get cases of wrong lighting when a chunk changes in the middle of a lighting calculation.
// Postponing until we see how bad it is :)
int IdxWhereNonEmptyStarts = 0;
{ // Compress blocklight
bool FoundNonEmpty = false;
int IdxWhereNonEmptyStarts = 0;
m_BlockLight.clear();
for (int Idx = (NumBlocks / 2) - 1; Idx >= 0; Idx--)
{
if (a_BlockLight[Idx] != 0)
{
FoundNonEmpty = true;
IdxWhereNonEmptyStarts = Idx;
break;
}
@ -396,19 +394,7 @@ void cChunk::SetLight(
}
{ // Compress skylight
bool FoundNonEmpty = false;
int IdxWhereNonEmptyStarts = 0;
m_BlockSkyLight.clear();
for (int Idx = (NumBlocks / 2) - 1; Idx >= 0; Idx--)
{
if (a_SkyLight[Idx] != 0xff)
{
FoundNonEmpty = true;
IdxWhereNonEmptyStarts = Idx;
break;
}
}
m_BlockSkyLight.insert(m_BlockSkyLight.end(), &a_SkyLight[0], &a_SkyLight[IdxWhereNonEmptyStarts + 1]);
}
@ -421,10 +407,8 @@ void cChunk::SetLight(
void cChunk::GetBlockTypes(BLOCKTYPE * a_BlockTypes)
{
std::vector<BLOCKTYPE> Blocks = m_BlockTypes;
Blocks.resize(NumBlocks);
memcpy(a_BlockTypes, &Blocks[0], NumBlocks);
std::copy(m_BlockTypes.begin(), m_BlockTypes.end(), a_BlockTypes);
std::fill_n(&a_BlockTypes[m_BlockTypes.size()], NumBlocks - m_BlockTypes.size(), E_BLOCK_AIR);
}
@ -832,7 +816,7 @@ void cChunk::BroadcastPendingBlockChanges(void)
void cChunk::CheckBlocks()
{
if (m_ToTickBlocks.size() == 0)
if (m_ToTickBlocks.empty())
{
return;
}
@ -1605,7 +1589,7 @@ void cChunk::FastSetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockT
MarkDirty();
if (m_BlockTypes.empty() || ((size_t)index > m_BlockTypes.size() - 1) /* Vector starts from zero, .size() starts from 1 */)
if (m_BlockTypes.empty() || ((size_t)index >= m_BlockTypes.size()))
{
m_BlockTypes.resize(index + 1);
}
@ -2550,7 +2534,7 @@ BLOCKTYPE cChunk::GetBlock(int a_BlockIdx) const
return 0;
}
if (m_BlockTypes.empty() || ((size_t)a_BlockIdx > m_BlockTypes.size() - 1) /* Vector starts from zero, .size() starts from 1 */)
if (m_BlockTypes.empty() || ((size_t)a_BlockIdx >= m_BlockTypes.size()))
{
return E_BLOCK_AIR;
}

99
src/ChunkDef.h
View File

@ -219,24 +219,13 @@ public:
ASSERT((a_Z >= 0) && (a_Z <= Width));
a_BiomeMap[a_X + Width * a_Z] = a_Biome;
}
static NIBBLETYPE GetNibble(const NIBBLETYPE * a_Buffer, int a_BlockIdx)
{
if ((a_BlockIdx > -1) && (a_BlockIdx < NumBlocks))
{
return (a_Buffer[a_BlockIdx / 2] >> ((a_BlockIdx & 1) * 4)) & 0x0f;
}
ASSERT(!"cChunkDef::GetNibble(): index out of chunk range!");
return 0;
}
static NIBBLETYPE GetNibble(const std::vector<NIBBLETYPE> & a_Buffer, int a_BlockIdx, bool a_IsSkyLightNibble = false)
{
if ((a_BlockIdx > -1) && (a_BlockIdx < NumBlocks))
{
if (a_Buffer.empty() || ((size_t)(a_BlockIdx / 2) > a_Buffer.size() - 1))
if (a_Buffer.empty() || ((size_t)(a_BlockIdx / 2) >= a_Buffer.size()))
{
return (a_IsSkyLightNibble ? 0xff : 0);
}
@ -245,8 +234,24 @@ public:
ASSERT(!"cChunkDef::GetNibble(): index out of chunk range!");
return 0;
}
static NIBBLETYPE GetNibble(const std::vector<NIBBLETYPE> & a_Buffer, int x, int y, int z, bool a_IsSkyLightNibble = false)
{
if ((x < Width) && (x > -1) && (y < Height) && (y > -1) && (z < Width) && (z > -1))
{
int Index = MakeIndexNoCheck(x, y, z);
if (a_Buffer.empty() || ((size_t)(Index / 2) >= a_Buffer.size()))
{
return (a_IsSkyLightNibble ? 0xff : 0);
}
return (a_Buffer[(size_t)(Index / 2)] >> ((Index & 1) * 4)) & 0x0f;
}
ASSERT(!"cChunkDef::GetNibble(): coords out of chunk range!");
return 0;
}
static NIBBLETYPE GetNibble(const NIBBLETYPE * a_Buffer, int x, int y, int z)
{
if ((x < Width) && (x > -1) && (y < Height) && (y > -1) && (z < Width) && (z > -1))
@ -259,36 +264,6 @@ public:
}
static NIBBLETYPE GetNibble(const std::vector<NIBBLETYPE> & a_Buffer, int x, int y, int z, bool a_IsSkyLightNibble = false)
{
if ((x < Width) && (x > -1) && (y < Height) && (y > -1) && (z < Width) && (z > -1))
{
int Index = MakeIndexNoCheck(x, y, z);
if (a_Buffer.empty() || ((size_t)(Index / 2) > a_Buffer.size() - 1))
{
return (a_IsSkyLightNibble ? 0xff : 0);
}
return (a_Buffer[(size_t)(Index / 2)] >> ((Index & 1) * 4)) & 0x0f;
}
ASSERT(!"cChunkDef::GetNibble(): coords out of chunk range!");
return 0;
}
static void SetNibble(NIBBLETYPE * a_Buffer, int a_BlockIdx, NIBBLETYPE a_Nibble)
{
if ((a_BlockIdx < 0) || (a_BlockIdx >= NumBlocks))
{
ASSERT(!"cChunkDef::SetNibble(): index out of range!");
return;
}
a_Buffer[a_BlockIdx / 2] = static_cast<NIBBLETYPE>(
(a_Buffer[a_BlockIdx / 2] & (0xf0 >> ((a_BlockIdx & 1) * 4))) | // The untouched nibble
((a_Nibble & 0x0f) << ((a_BlockIdx & 1) * 4)) // The nibble being set
);
}
static void SetNibble(std::vector<NIBBLETYPE> & a_Buffer, int a_BlockIdx, NIBBLETYPE a_Nibble)
{
if ((a_BlockIdx < 0) || (a_BlockIdx >= NumBlocks))
@ -296,7 +271,7 @@ public:
ASSERT(!"cChunkDef::SetNibble(): index out of range!");
return;
}
if (a_Buffer.empty() || ((size_t)(a_BlockIdx / 2) > a_Buffer.size() - 1))
if (a_Buffer.empty() || ((size_t)(a_BlockIdx / 2) >= a_Buffer.size()))
{
a_Buffer.resize((size_t)((a_BlockIdx / 2) + 1));
}
@ -305,26 +280,6 @@ public:
((a_Nibble & 0x0f) << ((a_BlockIdx & 1) * 4)) // The nibble being set
);
}
static void SetNibble(NIBBLETYPE * a_Buffer, int x, int y, int z, NIBBLETYPE a_Nibble)
{
if (
(x >= Width) || (x < 0) ||
(y >= Height) || (y < 0) ||
(z >= Width) || (z < 0)
)
{
ASSERT(!"cChunkDef::SetNibble(): index out of range!");
return;
}
int Index = MakeIndexNoCheck(x, y, z);
a_Buffer[Index / 2] = static_cast<NIBBLETYPE>(
(a_Buffer[Index / 2] & (0xf0 >> ((Index & 1) * 4))) | // The untouched nibble
((a_Nibble & 0x0f) << ((Index & 1) * 4)) // The nibble being set
);
}
static void SetNibble(std::vector<NIBBLETYPE> & a_Buffer, int x, int y, int z, NIBBLETYPE a_Nibble)
@ -340,7 +295,7 @@ public:
}
int Index = MakeIndexNoCheck(x, y, z);
if (a_Buffer.empty() || ((size_t)(Index / 2) > a_Buffer.size() - 1))
if (a_Buffer.empty() || ((size_t)(Index / 2) >= a_Buffer.size()))
{
a_Buffer.resize((size_t)((Index / 2) + 1));
}
@ -350,18 +305,6 @@ public:
);
}
inline static NIBBLETYPE GetNibble(const NIBBLETYPE * a_Buffer, const Vector3i & a_BlockPos)
{
return GetNibble(a_Buffer, a_BlockPos.x, a_BlockPos.y, a_BlockPos.z );
}
inline static void SetNibble(NIBBLETYPE * a_Buffer, const Vector3i & a_BlockPos, NIBBLETYPE a_Value)
{
SetNibble( a_Buffer, a_BlockPos.x, a_BlockPos.y, a_BlockPos.z, a_Value );
}
} ;