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-rw-r--r--src/ChunkData.cpp230
1 files changed, 229 insertions, 1 deletions
diff --git a/src/ChunkData.cpp b/src/ChunkData.cpp
index 098f436f8..162803292 100644
--- a/src/ChunkData.cpp
+++ b/src/ChunkData.cpp
@@ -2,7 +2,235 @@
#include "Globals.h"
#include "ChunkData.h"
-cChunkData cChunkData::Copy() const
+cChunkData::cChunkData()
+#if __cplusplus < 201103L
+ // auto_ptr style interface for memory management
+ : IsOwner(true)
+#endif
+{
+ memset(m_Sections, 0, sizeof(m_Sections));
+}
+
+
+cChunkData::~cChunkData()
+{
+ #if __cplusplus < 201103L
+ // auto_ptr style interface for memory management
+ if (!IsOwner)
+ {
+ return;
+ }
+ #endif
+ for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
+ {
+ if (m_Sections[i] == NULL) Free(m_Sections[i]);;
+ }
+}
+
+#if __cplusplus < 201103L
+ // auto_ptr style interface for memory management
+ cChunkData::cChunkData(const cChunkData& other) :
+ IsOwner(true)
+ {
+ for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
+ {
+ m_Sections[i] = other.m_Sections[i];
+ }
+ other.IsOwner = false;
+ }
+
+ cChunkData::cChunkData& operator=(const cChunkData& other)
+ {
+ if (&other != this)
+ {
+ if (IsOwner)
+ {
+ for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
+ {
+ if (m_Sections[i]) Free(m_Sections[i]);;
+ }
+ }
+ IsOwner = true;
+ for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
+ {
+ m_Sections[i] = other.m_Sections[i];
+ }
+ other.IsOwner = false;
+ }
+ return *this;
+
+ }
+#else
+ // unique_ptr style interface for memory management
+ cChunkData::cChunkData(cChunkData&& other)
+ {
+ for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
+ {
+ m_Sections[i] = other.m_Sections[i];
+ other.m_Sections[i] = NULL;
+ }
+ }
+
+ cChunkData::cChunkData& operator=(cChunkData&& other)
+ {
+ if (&other != this)
+ {
+ for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
+ {
+ Free(m_Sections[i]);;
+ m_Sections[i] = other.m_Sections[i];
+ other.m_Sections[i] = NULL;
+ }
+ }
+ return *this;
+ }
+#endif
+
+BLOCKTYPE cChunkData::GetBlock(int a_X, int a_Y, int a_Z) const
+{
+ ASSERT((a_X >= 0) && (a_X < cChunkDef::Width));
+ ASSERT((a_Y >= 0) && (a_Y < cChunkDef::Height));
+ ASSERT((a_Z >= 0) && (a_Z < cChunkDef::Width));
+ int Section = a_Y / CHUNK_SECTION_HEIGHT;
+ if (m_Sections[Section] != NULL)
+ {
+ int Index = cChunkDef::MakeIndexNoCheck(a_X, a_Y - (Section * CHUNK_SECTION_HEIGHT), a_Z);
+ return m_Sections[Section]->m_BlockTypes[Index];
+ }
+ else
+ {
+ return 0;
+ }
+}
+
+void cChunkData::SetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_Block)
+{
+ if (
+ (a_RelX >= cChunkDef::Width) || (a_RelX < 0) ||
+ (a_RelY >= cChunkDef::Height) || (a_RelY < 0) ||
+ (a_RelZ >= cChunkDef::Width) || (a_RelZ < 0)
+ )
+ {
+ ASSERT(!"cChunkData::SetMeta(): index out of range!");
+ return;
+ }
+
+ int Section = a_RelY / CHUNK_SECTION_HEIGHT;
+ if (m_Sections[Section] == NULL)
+ {
+ if (a_Block == 0x00)
+ {
+ return;
+ }
+ m_Sections[Section] = Allocate();
+ if (m_Sections[Section] == NULL)
+ {
+ ASSERT(!"Failed to allocate a new section in Chunkbuffer");
+ return;
+ }
+ ZeroSection(m_Sections[Section]);
+ }
+ int Index = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY - (Section * CHUNK_SECTION_HEIGHT), a_RelZ);
+ m_Sections[Section]->m_BlockTypes[Index] = a_Block;
+}
+
+NIBBLETYPE cChunkData::GetMeta(int a_RelX, int a_RelY, int a_RelZ) const
+{
+ if (
+ (a_RelX < cChunkDef::Width) && (a_RelX > -1) &&
+ (a_RelY < cChunkDef::Height) && (a_RelY > -1) &&
+ (a_RelZ < cChunkDef::Width) && (a_RelZ > -1))
+ {
+ int Section = a_RelY / CHUNK_SECTION_HEIGHT;
+ if (m_Sections[Section] != NULL)
+ {
+ int Index = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY - (Section * CHUNK_SECTION_HEIGHT), a_RelZ);
+ return (m_Sections[Section]->m_BlockMeta[Index / 2] >> ((Index & 1) * 4)) & 0x0f;
+ }
+ else
+ {
+ return 0;
+ }
+ }
+ ASSERT(!"cChunkData::GetMeta(): coords out of chunk range!");
+ return 0;
+}
+
+bool cChunkData::SetMeta(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_Nibble)
+{
+ if (
+ (a_RelX >= cChunkDef::Width) || (a_RelX < 0) ||
+ (a_RelY >= cChunkDef::Height) || (a_RelY < 0) ||
+ (a_RelZ >= cChunkDef::Width) || (a_RelZ < 0)
+ )
+ {
+ ASSERT(!"cChunkData::SetMeta(): index out of range!");
+ return false;
+ }
+
+ int Section = a_RelY / CHUNK_SECTION_HEIGHT;
+ if (m_Sections[Section] == NULL)
+ {
+ if ((a_Nibble & 0xf) == 0x00)
+ {
+ return false;
+ }
+ m_Sections[Section] = Allocate();
+ if (m_Sections[Section] == NULL)
+ {
+ ASSERT(!"Failed to allocate a new section in Chunkbuffer");
+ return false;
+ }
+ ZeroSection(m_Sections[Section]);
+ }
+ int Index = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY - (Section * CHUNK_SECTION_HEIGHT), a_RelZ);
+ NIBBLETYPE oldval = m_Sections[Section]->m_BlockMeta[Index / 2] >> ((Index & 1) * 4) & 0xf;
+ m_Sections[Section]->m_BlockMeta[Index / 2] = static_cast<NIBBLETYPE>(
+ (m_Sections[Section]->m_BlockMeta[Index / 2] & (0xf0 >> ((Index & 1) * 4))) | // The untouched nibble
+ ((a_Nibble & 0x0f) << ((Index & 1) * 4)) // The nibble being set
+ );
+ return oldval == a_Nibble;
+}
+
+NIBBLETYPE cChunkData::GetBlockLight(int a_RelX, int a_RelY, int a_RelZ) const
+{
+ if ((a_RelX < cChunkDef::Width) && (a_RelX > -1) && (a_RelY < cChunkDef::Height) && (a_RelY > -1) && (a_RelZ < cChunkDef::Width) && (a_RelZ > -1))
+ {
+ int Section = a_RelY / CHUNK_SECTION_HEIGHT;
+ if (m_Sections[Section] != NULL)
+ {
+ int Index = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY - (Section * CHUNK_SECTION_HEIGHT), a_RelZ);
+ return (m_Sections[Section]->m_BlockLight[Index / 2] >> ((Index & 1) * 4)) & 0x0f;
+ }
+ else
+ {
+ return 0;
+ }
+ }
+ ASSERT(!"cChunkData::GetMeta(): coords out of chunk range!");
+ return 0;
+}
+
+NIBBLETYPE cChunkData::GetSkyLight(int a_RelX, int a_RelY, int a_RelZ) const
+{
+ if ((a_RelX < cChunkDef::Width) && (a_RelX > -1) && (a_RelY < cChunkDef::Height) && (a_RelY > -1) && (a_RelZ < cChunkDef::Width) && (a_RelZ > -1))
+ {
+ int Section = a_RelY / CHUNK_SECTION_HEIGHT;
+ if (m_Sections[Section] != NULL)
+ {
+ int Index = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY - (Section * CHUNK_SECTION_HEIGHT), a_RelZ);
+ return (m_Sections[Section]->m_BlockLight[Index / 2] >> ((Index & 1) * 4)) & 0x0f;
+ }
+ else
+ {
+ return 0xF;
+ }
+ }
+ ASSERT(!"cChunkData::GetMeta(): coords out of chunk range!");
+ return 0;
+}
+
+cChunkData cChunkData::cChunkData::Copy() const
{
cChunkData copy;
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)