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Fixed blocktick distribution

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git-svn-id: http://mc-server.googlecode.com/svn/trunk@525 0a769ca7-a7f5-676a-18bf-c427514a06d6
This commit is contained in:
madmaxoft@gmail.com
2012-05-30 19:35:57 +00:00
parent f8328346b5
commit 403c99f8fa
2 changed files with 14 additions and 17 deletions
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18
source/cChunk.cpp
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@@ -69,7 +69,6 @@ cChunk::cChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ, cChunkMap * a_ChunkMap,
: m_PosX( a_ChunkX )
, m_PosY( a_ChunkY )
, m_PosZ( a_ChunkZ )
, m_BlockTickNum( 0 )
, m_BlockTickX( 0 )
, m_BlockTickY( 0 )
, m_BlockTickZ( 0 )
@@ -533,14 +532,23 @@ void cChunk::TickBlocks(MTRand & a_TickRandom)
int RandomX = a_TickRandom.randInt();
int RandomY = a_TickRandom.randInt();
int RandomZ = a_TickRandom.randInt();
int TickX = m_BlockTickX;
int TickY = m_BlockTickY;
int TickZ = m_BlockTickZ;
for (int i = 0; i < 50; i++)
{
m_BlockTickX = (m_BlockTickX + RandomX) % Width;
m_BlockTickY = (m_BlockTickY + RandomY) % Height;
m_BlockTickZ = (m_BlockTickZ + RandomZ) % Width;
// This weird construct (*2, then /2) is needed,
// otherwise the blocktick distribution is too biased towards even coords!
TickX = (TickX + RandomX) % (Width * 2);
TickY = (TickY + RandomY) % (Height * 2);
TickZ = (TickZ + RandomZ) % (Width * 2);
m_BlockTickX = TickX / 2;
m_BlockTickY = TickY / 2;
m_BlockTickZ = TickZ / 2;
if (m_BlockTickY > m_HeightMap[ m_BlockTickX + m_BlockTickZ * Width])
if (m_BlockTickY > cChunkDef::GetHeight(m_HeightMap, m_BlockTickX, m_BlockTickZ))
{
continue; // It's all air up here
}