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Pickup: Fixed a possible crash when a pickup went up above the world.

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git-svn-id: http://mc-server.googlecode.com/svn/trunk@1428 0a769ca7-a7f5-676a-18bf-c427514a06d6
This commit is contained in:
madmaxoft@gmail.com 2013-04-28 15:30:06 +00:00
parent 9e38229b0d
commit 912f93a544
1 changed files with 20 additions and 15 deletions
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35
source/Pickup.cpp
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@ -68,30 +68,35 @@ void cPickup::Tick(float a_Dt, cChunk & a_Chunk)
if (!m_bCollected) if (!m_bCollected)
{ {
int BlockX = (int) floor(GetPosX());
int BlockY = (int) floor(GetPosY()); int BlockY = (int) floor(GetPosY());
int BlockZ = (int) floor(GetPosZ()); if (BlockY < cChunkDef::Height) // Don't do anything except for falling when above the world
//Position might have changed due to physics. So we have to make sure we have the correct chunk.
cChunk * CurrentChunk = a_Chunk.GetNeighborChunk(BlockX,BlockZ);
if (CurrentChunk != NULL) //Making sure the chunk is loaded
{ {
int RelBlockX = BlockX - (CurrentChunk->GetPosX() * cChunkDef::Width); int BlockX = (int) floor(GetPosX());
int RelBlockZ = BlockZ - (CurrentChunk->GetPosZ() * cChunkDef::Width); int BlockZ = (int) floor(GetPosZ());
//Position might have changed due to physics. So we have to make sure we have the correct chunk.
BLOCKTYPE BlockBelow = CurrentChunk->GetBlock( RelBlockX, BlockY - 1, RelBlockZ ); cChunk * CurrentChunk = a_Chunk.GetNeighborChunk(BlockX, BlockZ);
BLOCKTYPE BlockIn = CurrentChunk->GetBlock( RelBlockX, BlockY, RelBlockZ ); if (CurrentChunk != NULL) // Make sure the chunk is loaded
if( IsBlockLava(BlockBelow) || BlockBelow == E_BLOCK_FIRE
|| IsBlockLava(BlockIn) || BlockIn == E_BLOCK_FIRE )
{ {
int RelBlockX = BlockX - (CurrentChunk->GetPosX() * cChunkDef::Width);
int RelBlockZ = BlockZ - (CurrentChunk->GetPosZ() * cChunkDef::Width);
BLOCKTYPE BlockBelow = CurrentChunk->GetBlock(RelBlockX, BlockY - 1, RelBlockZ);
BLOCKTYPE BlockIn = CurrentChunk->GetBlock(RelBlockX, BlockY, RelBlockZ);
if (
IsBlockLava(BlockBelow) || (BlockBelow == E_BLOCK_FIRE) ||
IsBlockLava(BlockIn) || (BlockIn == E_BLOCK_FIRE)
)
{
m_bCollected = true; m_bCollected = true;
m_Timer = 0; //We have to reset the timer. m_Timer = 0; // We have to reset the timer.
m_Timer += a_Dt; //In case we have to destroy the pickup in the same tick. m_Timer += a_Dt; // In case we have to destroy the pickup in the same tick.
if (m_Timer > 500.f) if (m_Timer > 500.f)
{ {
Destroy(); Destroy();
return; return;
} }
}
} }
} }
} }