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cChunkData: Normalized code style.

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This commit is contained in:
madmaxoft 2014-05-28 22:40:19 +02:00
parent 7ec44951a0
commit 81f756cbda
2 changed files with 106 additions and 89 deletions
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168
src/ChunkData.cpp
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@ -306,33 +306,33 @@ cChunkData cChunkData::Copy(void) const
void cChunkData::CopyBlocks(BLOCKTYPE * a_dest, size_t a_Idx, size_t length) const
void cChunkData::CopyBlocks(BLOCKTYPE * a_Dest, size_t a_Idx, size_t a_Length) const
{
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
{
const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16;
const size_t SegmentLength = CHUNK_SECTION_HEIGHT * 16 * 16;
if (a_Idx > 0)
{
a_Idx = std::max(a_Idx - length, (size_t) 0);
a_Idx = std::max(a_Idx - a_Length, (size_t) 0);
}
if (a_Idx == 0)
{
size_t tocopy = std::min(segment_length, length);
length -= tocopy;
size_t ToCopy = std::min(SegmentLength, a_Length);
length -= ToCopy;
if (m_Sections[i] != NULL)
{
memcpy(
&a_dest[i * segment_length],
&a_Dest[i * SegmentLength],
&m_Sections[i]->m_BlockTypes,
sizeof(BLOCKTYPE) * tocopy
sizeof(BLOCKTYPE) * ToCopy
);
}
else
{
memset(
&a_dest[i * segment_length],
&a_Dest[i * SegmentLength],
0,
sizeof(BLOCKTYPE) * tocopy
sizeof(BLOCKTYPE) * ToCopy
);
}
}
@ -343,25 +343,25 @@ void cChunkData::CopyBlocks(BLOCKTYPE * a_dest, size_t a_Idx, size_t length) co
void cChunkData::CopyMeta(NIBBLETYPE * a_dest) const
void cChunkData::CopyMeta(NIBBLETYPE * a_Dest) const
{
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
{
const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
const size_t SegmentLength = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
if (m_Sections[i] != NULL)
{
memcpy(
&a_dest[i * segment_length],
&a_Dest[i * SegmentLength],
&m_Sections[i]->m_BlockMeta,
sizeof(NIBBLETYPE) * segment_length
sizeof(NIBBLETYPE) * SegmentLength
);
}
else
{
memset(
&a_dest[i * segment_length],
&a_Dest[i * SegmentLength],
0,
sizeof(BLOCKTYPE) * segment_length
sizeof(BLOCKTYPE) * SegmentLength
);
}
}
@ -371,25 +371,25 @@ void cChunkData::CopyMeta(NIBBLETYPE * a_dest) const
void cChunkData::CopyBlockLight(NIBBLETYPE * a_dest) const
void cChunkData::CopyBlockLight(NIBBLETYPE * a_Dest) const
{
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
{
const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
const size_t SegmentLength = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
if (m_Sections[i] != NULL)
{
memcpy(
&a_dest[i * segment_length],
&a_Dest[i * SegmentLength],
&m_Sections[i]->m_BlockLight,
sizeof(NIBBLETYPE) * segment_length
sizeof(NIBBLETYPE) * SegmentLength
);
}
else
{
memset(
&a_dest[i * segment_length],
&a_Dest[i * SegmentLength],
0,
sizeof(BLOCKTYPE) * segment_length
sizeof(BLOCKTYPE) * SegmentLength
);
}
}
@ -399,25 +399,25 @@ void cChunkData::CopyBlockLight(NIBBLETYPE * a_dest) const
void cChunkData::CopySkyLight(NIBBLETYPE * a_dest) const
void cChunkData::CopySkyLight(NIBBLETYPE * a_Dest) const
{
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
{
const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
const size_t SegmentLength = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
if (m_Sections[i] != NULL)
{
memcpy(
&a_dest[i * segment_length],
&a_Dest[i * SegmentLength],
&m_Sections[i]->m_BlockSkyLight,
sizeof(NIBBLETYPE) * segment_length
sizeof(NIBBLETYPE) * SegmentLength
);
}
else
{
memset(
&a_dest[i * segment_length],
&a_Dest[i * SegmentLength],
0xFF,
sizeof(BLOCKTYPE) * segment_length
sizeof(BLOCKTYPE) * SegmentLength
);
}
}
@ -427,34 +427,36 @@ void cChunkData::CopySkyLight(NIBBLETYPE * a_dest) const
void cChunkData::SetBlocks(const BLOCKTYPE * a_src)
void cChunkData::SetBlocks(const BLOCKTYPE * a_Src)
{
ASSERT(a_Src != NULL);
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
{
const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16;
const size_t SegmentLength = CHUNK_SECTION_HEIGHT * 16 * 16;
if (m_Sections[i] != NULL)
{
memcpy(
&m_Sections[i]->m_BlockTypes,
&a_src[i * segment_length],
sizeof(BLOCKTYPE) * segment_length
&a_Src[i * SegmentLength],
sizeof(BLOCKTYPE) * SegmentLength
);
}
else
{
// j counts how many of leading zeros the buffer has
// if j == segment_length then the buffer is all zeros so there is no point
// if j == SegmentLength then the buffer is all zeros so there is no point
// creating the buffer.
size_t j = 0;
// do nothing whilst 0
for (; j < segment_length && a_src[i * segment_length + j] == 0; j++);
if (j != segment_length)
for (; (j < SegmentLength) && (a_Src[i * SegmentLength + j] == 0); j++);
if (j != SegmentLength)
{
m_Sections[i] = Allocate();
memcpy(
&m_Sections[i]->m_BlockTypes,
&a_src[i * segment_length],
sizeof(BLOCKTYPE) * segment_length
&a_Src[i * SegmentLength],
sizeof(BLOCKTYPE) * SegmentLength
);
memset(
m_Sections[i]->m_BlockMeta,
@ -479,34 +481,36 @@ void cChunkData::SetBlocks(const BLOCKTYPE * a_src)
void cChunkData::SetMeta(const NIBBLETYPE * a_src)
void cChunkData::SetMeta(const NIBBLETYPE * a_Src)
{
ASSERT(a_Src != NULL);
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
{
const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
const size_t SegmentLength = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
if (m_Sections[i] != NULL)
{
memcpy(
&m_Sections[i]->m_BlockMeta,
&a_src[i * segment_length],
sizeof(NIBBLETYPE) * segment_length
&a_Src[i * SegmentLength],
sizeof(NIBBLETYPE) * SegmentLength
);
}
else
{
// j counts how many of leading zeros the buffer has
// if j == segment_length then the buffer is all zeros so there is no point
// if j == SegmentLength then the buffer is all zeros so there is no point
// creating the buffer.
size_t j = 0;
// do nothing whilst 0
for (; j < segment_length && a_src[i * segment_length + j] == 0; j++);
if (j != segment_length)
for (; (j < SegmentLength) && (a_Src[i * SegmentLength + j] == 0); j++);
if (j != SegmentLength)
{
m_Sections[i] = Allocate();
memcpy(
&m_Sections[i]->m_BlockMeta,
&a_src[i * segment_length],
sizeof(BLOCKTYPE) * segment_length
&a_Src[i * SegmentLength],
sizeof(BLOCKTYPE) * SegmentLength
);
memset(
m_Sections[i]->m_BlockTypes,
@ -531,35 +535,38 @@ void cChunkData::SetMeta(const NIBBLETYPE * a_src)
void cChunkData::SetBlockLight(const NIBBLETYPE * a_src)
void cChunkData::SetBlockLight(const NIBBLETYPE * a_Src)
{
if (!a_src) return;
if (a_Src == NULL)
{
return;
}
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
{
const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
const size_t SegmentLength = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
if (m_Sections[i] != NULL)
{
memcpy(
&m_Sections[i]->m_BlockLight,
&a_src[i * segment_length],
sizeof(NIBBLETYPE) * segment_length
&a_Src[i * SegmentLength],
sizeof(NIBBLETYPE) * SegmentLength
);
}
else
{
// j counts how many of leading zeros the buffer has
// if j == segment_length then the buffer is all zeros so there is no point
// if j == SegmentLength then the buffer is all zeros so there is no point
// creating the buffer.
size_t j = 0;
// do nothing whilst 0
for (; j < segment_length && a_src[i * segment_length + j] == 0; j++);
if (j != segment_length)
for (; (j < SegmentLength) && (a_Src[i * SegmentLength + j] == 0); j++);
if (j != SegmentLength)
{
m_Sections[i] = Allocate();
memcpy(
&m_Sections[i]->m_BlockLight,
&a_src[i * segment_length],
sizeof(BLOCKTYPE) * segment_length
&a_Src[i * SegmentLength],
sizeof(BLOCKTYPE) * SegmentLength
);
memset(
m_Sections[i]->m_BlockTypes,
@ -584,35 +591,39 @@ void cChunkData::SetBlockLight(const NIBBLETYPE * a_src)
void cChunkData::SetSkyLight (const NIBBLETYPE * a_src)
void cChunkData::SetSkyLight(const NIBBLETYPE * a_Src)
{
if (!a_src) return;
if (a_Src == NULL)
{
return;
}
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
{
const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
const size_t SegmentLength = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
if (m_Sections[i] != NULL)
{
memcpy(
&m_Sections[i]->m_BlockSkyLight,
&a_src[i * segment_length],
sizeof(NIBBLETYPE) * segment_length
&a_Src[i * SegmentLength],
sizeof(NIBBLETYPE) * SegmentLength
);
}
else
{
// j counts how many of leading zeros the buffer has
// if j == segment_length then the buffer is all zeros so there is no point
// if j == SegmentLength then the buffer is all zeros so there is no point
// creating the buffer.
size_t j = 0;
// do nothing whilst 0
for (; j < segment_length && a_src[i * segment_length + j] == 0xFF; j++);
if (j != segment_length)
for (; (j < SegmentLength) && (a_Src[i * SegmentLength + j]) == 0xFF; j++);
if (j != SegmentLength)
{
m_Sections[i] = Allocate();
memcpy(
&m_Sections[i]->m_BlockSkyLight,
&a_src[i * segment_length],
sizeof(BLOCKTYPE) * segment_length
&a_Src[i * SegmentLength],
sizeof(BLOCKTYPE) * SegmentLength
);
memset(
m_Sections[i]->m_BlockTypes,
@ -638,9 +649,9 @@ void cChunkData::SetSkyLight (const NIBBLETYPE * a_src)
cChunkData::sChunkSection * cChunkData::Allocate() const
cChunkData::sChunkSection * cChunkData::Allocate(void) const
{
// TODO: use a allocation pool
// TODO: Use an allocation pool
return new cChunkData::sChunkSection;
}
@ -648,36 +659,37 @@ cChunkData::sChunkSection * cChunkData::Allocate() const
void cChunkData::Free(cChunkData::sChunkSection * ptr) const
void cChunkData::Free(cChunkData::sChunkSection * a_Section) const
{
delete ptr;
// TODO: Use an allocation pool
delete a_Section;
}
void cChunkData::ZeroSection(cChunkData::sChunkSection * ptr) const
void cChunkData::ZeroSection(cChunkData::sChunkSection * a_Section) const
{
memset(
ptr->m_BlockTypes,
a_Section->m_BlockTypes,
0x00,
sizeof(ptr->m_BlockTypes)
sizeof(a_Section->m_BlockTypes)
);
memset(
ptr->m_BlockMeta,
a_Section->m_BlockMeta,
0x00,
sizeof(ptr->m_BlockMeta)
sizeof(a_Section->m_BlockMeta)
);
memset(
ptr->m_BlockLight,
a_Section->m_BlockLight,
0x00,
sizeof(ptr->m_BlockLight)
sizeof(a_Section->m_BlockLight)
);
memset(
ptr->m_BlockSkyLight,
a_Section->m_BlockSkyLight,
0xFF,
sizeof(ptr->m_BlockSkyLight)
sizeof(a_Section->m_BlockSkyLight)
);
}

27
src/ChunkData.h
View File

@ -25,12 +25,12 @@ public:
#if __cplusplus < 201103L
// auto_ptr style interface for memory management
cChunkData(const cChunkData & other);
cChunkData & operator =(const cChunkData & other);
cChunkData(const cChunkData & a_Other);
cChunkData & operator =(const cChunkData & a_Other);
#else
// unique_ptr style interface for memory management
cChunkData(cChunkData && other);
cChunkData & operator =(cChunkData && other);
cChunkData(cChunkData && a_Other);
cChunkData & operator =(cChunkData && a_ther);
#endif
BLOCKTYPE GetBlock(int a_X, int a_Y, int a_Z) const;
@ -44,10 +44,10 @@ public:
NIBBLETYPE GetSkyLight(int a_RelX, int a_RelY, int a_RelZ) const;
cChunkData Copy(void) const;
void CopyBlocks (BLOCKTYPE * a_dest, size_t a_Idx = 0, size_t length = cChunkDef::NumBlocks) const;
void CopyMeta (NIBBLETYPE * a_dest) const;
void CopyBlockLight(NIBBLETYPE * a_dest) const;
void CopySkyLight (NIBBLETYPE * a_dest) const;
void CopyBlocks (BLOCKTYPE * a_Dest, size_t a_Idx = 0, size_t a_Length = cChunkDef::NumBlocks) const;
void CopyMeta (NIBBLETYPE * a_Dest) const;
void CopyBlockLight(NIBBLETYPE * a_Dest) const;
void CopySkyLight (NIBBLETYPE * a_Dest) const;
void SetBlocks (const BLOCKTYPE * a_src);
void SetMeta (const NIBBLETYPE * a_src);
@ -73,10 +73,15 @@ private:
sChunkSection * m_Sections[CHUNK_SECTION_COUNT];
sChunkSection * Allocate(void) const;
void Free(sChunkSection * ptr) const;
/** Allocates a new section. Entry-point to custom allocators. */
static sChunkSection * Allocate(void);
void ZeroSection(sChunkSection * ptr) const;
/** Frees the specified section, previously allocated using Allocate().
Note that a_Section may be NULL. */
static void Free(sChunkSection * a_Section);
/** Sets the data in the specified section to their default values. */
void ZeroSection(sChunkSection * a_Section) const;
};