diff options
| -rw-r--r-- | source/cChunk.cpp | 69 | ||||
| -rw-r--r-- | source/cChunk.h | 1 |
2 files changed, 53 insertions, 17 deletions
diff --git a/source/cChunk.cpp b/source/cChunk.cpp index 6d260e5b1..46c7d78ad 100644 --- a/source/cChunk.cpp +++ b/source/cChunk.cpp @@ -556,20 +556,6 @@ void cChunk::TickBlocks(MTRand & a_TickRandom) BLOCKTYPE ID = m_BlockTypes[Index];
switch( ID )
{
- case E_BLOCK_GRASS:
- {
- // Grass turns into dirt if there's another block on top of it:
- BLOCKTYPE AboveBlock = GetBlock(Index + (Width * Width) );
- if (!( (AboveBlock == E_BLOCK_AIR) || (g_BlockOneHitDig[AboveBlock]) || (g_BlockTransparent[AboveBlock]) ) )
- {
- FastSetBlock( m_BlockTickX, m_BlockTickY, m_BlockTickZ, E_BLOCK_DIRT, GetNibble( m_BlockMeta, Index ) );
- }
-
- // TODO: Grass spreads to nearby blocks if there's enough light and free space above that block
- // Ref.: http://www.minecraftwiki.net/wiki/Grass_Block#Growth
- break;
- }
-
case E_BLOCK_CROPS:
{
NIBBLETYPE Meta = GetMeta(Index);
@@ -580,10 +566,10 @@ void cChunk::TickBlocks(MTRand & a_TickRandom) break;
}
+ case E_BLOCK_GRASS: TickGrass(m_BlockTickX, m_BlockTickY, m_BlockTickZ, a_TickRandom); break;
case E_BLOCK_PUMPKIN_STEM:
- case E_BLOCK_MELON_STEM: TickMelonPumpkin(m_BlockTickX, m_BlockTickY, m_BlockTickZ, Index, ID, a_TickRandom); break;
-
- case E_BLOCK_FARMLAND: TickFarmland(m_BlockTickX, m_BlockTickY, m_BlockTickZ); break;
+ case E_BLOCK_MELON_STEM: TickMelonPumpkin(m_BlockTickX, m_BlockTickY, m_BlockTickZ, Index, ID, a_TickRandom); break;
+ case E_BLOCK_FARMLAND: TickFarmland(m_BlockTickX, m_BlockTickY, m_BlockTickZ); break;
case E_BLOCK_SAPLING:
{
@@ -617,6 +603,50 @@ void cChunk::TickBlocks(MTRand & a_TickRandom) +void cChunk::TickGrass(int a_RelX, int a_RelY, int a_RelZ, MTRand & a_TickRandom)
+{
+ // Grass turns into dirt if there's another block on top of it:
+ BLOCKTYPE AboveBlock = cChunkDef::GetBlock(m_BlockTypes, a_RelX, a_RelY + 1, a_RelZ);
+ if (!((g_BlockOneHitDig[AboveBlock]) || (g_BlockTransparent[AboveBlock])))
+ {
+ FastSetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_DIRT, 0);
+ }
+
+ // Grass spreads to nearby blocks if there's enough light (TODO) and free space above that block
+ // Ref.: http://www.minecraftwiki.net/wiki/Grass_Block#Growth
+ for (int i = 0; i < 2; i++) // Pick two blocks to grow to
+ {
+ int OfsX = a_TickRandom.randInt(2) - 1; // [-1 .. 1]
+ int OfsY = a_TickRandom.randInt(4) - 3; // [-3 .. 1]
+ int OfsZ = a_TickRandom.randInt(2) - 1; // [-1 .. 1]
+
+ BLOCKTYPE DestBlock;
+ NIBBLETYPE DestMeta;
+ if (
+ !UnboundedRelGetBlock(a_RelX + OfsX, a_RelY + OfsY, a_RelZ + OfsZ, DestBlock, DestMeta) ||
+ (DestBlock != E_BLOCK_DIRT)
+ )
+ {
+ continue;
+ }
+
+ BLOCKTYPE AboveDest;
+ NIBBLETYPE AboveMeta;
+ if (
+ UnboundedRelGetBlock(a_RelX + OfsX, a_RelY + OfsY + 1, a_RelZ + OfsZ, AboveDest, AboveMeta) &&
+ ((g_BlockOneHitDig[AboveBlock]) || (g_BlockTransparent[AboveBlock]))
+ // TODO: Query dest light, if it's enough
+ )
+ {
+ UnboundedRelFastSetBlock(a_RelX + OfsX, a_RelY + OfsY, a_RelZ + OfsZ, E_BLOCK_GRASS, 0);
+ }
+ }
+}
+
+
+
+
+
void cChunk::TickMelonPumpkin(int a_RelX, int a_RelY, int a_RelZ, int a_BlockIdx, BLOCKTYPE a_BlockType, MTRand & a_TickRandom)
{
NIBBLETYPE Meta = GetMeta(a_BlockIdx);
@@ -775,6 +805,11 @@ void cChunk::TickFarmland(int a_RelX, int a_RelY, int a_RelZ) bool cChunk::UnboundedRelGetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta)
{
+ if ((a_RelY < 0) || (a_RelY > cChunkDef::Height))
+ {
+ return false;
+ }
+
if ((a_RelX >= 0) && (a_RelX < cChunkDef::Width) && (a_RelZ >= 0) && (a_RelZ < cChunkDef::Width))
{
int BlockIdx = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY, a_RelZ);
diff --git a/source/cChunk.h b/source/cChunk.h index 3ae29aaba..efd697b63 100644 --- a/source/cChunk.h +++ b/source/cChunk.h @@ -227,6 +227,7 @@ private: cClientHandleList GetAllClients(void) const {return m_LoadedByClient; }
void TickBlocks(MTRand & a_TickRandom);
+ void TickGrass (int a_RelX, int a_RelY, int a_RelZ, MTRand & a_TickRandom);
void TickMelonPumpkin(int a_RelX, int a_RelY, int a_RelZ, int a_BlockIdx, BLOCKTYPE a_BlockType, MTRand & a_TickRandom);
void TickFarmland (int a_RelX, int a_RelY, int a_RelZ);
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