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-rw-r--r--src/Chunk.cpp106
1 files changed, 82 insertions, 24 deletions
diff --git a/src/Chunk.cpp b/src/Chunk.cpp
index 97822048d..7a3e63bd0 100644
--- a/src/Chunk.cpp
+++ b/src/Chunk.cpp
@@ -250,8 +250,14 @@ void cChunk::GetAllData(cChunkDataCallback & a_Callback)
a_Callback.BlockMeta (Metas.data());
a_Callback.LightIsValid (m_IsLightValid);
- a_Callback.BlockLight (m_BlockLight);
- a_Callback.BlockSkyLight(m_BlockSkyLight);
+
+ std::vector<NIBBLETYPE> BlockLights = m_BlockLight;
+ BlockLights.resize(NumBlocks / 2);
+ a_Callback.BlockLight (BlockLights.data());
+
+ std::vector<NIBBLETYPE> BlockSkyLights = m_BlockSkyLight;
+ BlockSkyLights.resize(NumBlocks / 2, 0xff);
+ a_Callback.BlockSkyLight(BlockSkyLights.data());
for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr)
{
@@ -285,47 +291,66 @@ void cChunk::SetAllData(
memcpy(m_HeightMap, a_HeightMap, sizeof(m_HeightMap));
}
- { // Blocktype compression
- bool FoundNonAir = false;
+ {
+ int IdxWhereNonEmptyStarts = 0;
+ { // Blocktype compression
+ bool FoundNonAir = false;
+ m_BlockTypes.clear();
+
+ for (int Idx = NumBlocks - 1; Idx >= 0; Idx--)
+ {
+ if (a_BlockTypes[Idx] != E_BLOCK_AIR)
+ {
+ FoundNonAir = true;
+ IdxWhereNonEmptyStarts = Idx;
+ break;
+ }
+ }
+ m_BlockTypes.insert(m_BlockTypes.end(), &a_BlockTypes[0], &a_BlockTypes[IdxWhereNonEmptyStarts + 1]);
+ }
+
+ { // Blockmeta compression
+ m_BlockMeta.clear();
+ m_BlockMeta.insert(m_BlockMeta.end(), &a_BlockMeta[0], &a_BlockMeta[(IdxWhereNonEmptyStarts + 1) / 2]);
+ }
+ }
+
+ if (a_BlockLight != NULL)
+ {
+ // Compress blocklight
+ bool FoundNonEmpty = false;
int IdxWhereNonEmptyStarts = 0;
- m_BlockTypes.clear();
+ m_BlockLight.clear();
- for (int Idx = NumBlocks - 1; Idx >= 0; Idx--)
+ for (int Idx = (NumBlocks / 2) - 1; Idx >= 0; Idx--)
{
- if (a_BlockTypes[Idx] != E_BLOCK_AIR)
+ if (a_BlockLight[Idx] != 0)
{
- FoundNonAir = true;
+ FoundNonEmpty = true;
IdxWhereNonEmptyStarts = Idx;
break;
}
}
- m_BlockTypes.insert(m_BlockTypes.end(), &a_BlockTypes[0], &a_BlockTypes[IdxWhereNonEmptyStarts + 1]);
+ m_BlockLight.insert(m_BlockLight.end(), &a_BlockLight[0], &a_BlockLight[IdxWhereNonEmptyStarts + 1]);
}
- { // Blockmeta compression
+ if (a_BlockSkyLight != NULL)
+ {
+ // Compress skylight
bool FoundNonEmpty = false;
int IdxWhereNonEmptyStarts = 0;
- m_BlockMeta.clear();
+ m_BlockSkyLight.clear();
for (int Idx = (NumBlocks / 2) - 1; Idx >= 0; Idx--)
{
- if (a_BlockMeta[Idx] != 0)
+ if (a_BlockSkyLight[Idx] != 0xff)
{
FoundNonEmpty = true;
IdxWhereNonEmptyStarts = Idx;
break;
}
}
- m_BlockMeta.insert(m_BlockMeta.end(), &a_BlockMeta[0], &a_BlockMeta[IdxWhereNonEmptyStarts + 1]);
- }
-
- if (a_BlockLight != NULL)
- {
- memcpy(m_BlockLight, a_BlockLight, sizeof(m_BlockLight));
- }
- if (a_BlockSkyLight != NULL)
- {
- memcpy(m_BlockSkyLight, a_BlockSkyLight, sizeof(m_BlockSkyLight));
+ m_BlockSkyLight.insert(m_BlockSkyLight.end(), &a_BlockSkyLight[0], &a_BlockSkyLight[IdxWhereNonEmptyStarts + 1]);
}
m_IsLightValid = (a_BlockLight != NULL) && (a_BlockSkyLight != NULL);
@@ -371,8 +396,41 @@ 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 :)
- memcpy(m_BlockLight, a_BlockLight, sizeof(m_BlockLight));
- memcpy(m_BlockSkyLight, a_SkyLight, sizeof(m_BlockSkyLight));
+
+ { // 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;
+ }
+ }
+ m_BlockLight.insert(m_BlockLight.end(), &a_BlockLight[0], &a_BlockLight[IdxWhereNonEmptyStarts + 1]);
+ }
+
+ { // 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]);
+ }
+
m_IsLightValid = true;
}