void cFireSimulator::AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk)
{
if ((a_Chunk == nullptr) || !a_Chunk->IsValid())
{
return;
}
int RelX = a_BlockX - a_Chunk->GetPosX() * cChunkDef::Width;
int RelZ = a_BlockZ - a_Chunk->GetPosZ() * cChunkDef::Width;
BLOCKTYPE BlockType = a_Chunk->GetBlock(RelX, a_BlockY, RelZ);
if (!IsAllowedBlock(BlockType))
{
return;
}
// Check for duplicates:
cFireSimulatorChunkData & ChunkData = a_Chunk->GetFireSimulatorData();
for (cCoordWithIntList::iterator itr = ChunkData.begin(), end = ChunkData.end(); itr != end; ++itr)
{
if ((itr->x == RelX) && (itr->y == a_BlockY) && (itr->z == RelZ))
{
// Already present, skip adding
return;
}
} // for itr - ChunkData[]
FLOG("FS: Adding block {%d, %d, %d}", a_BlockX, a_BlockY, a_BlockZ);
ChunkData.push_back(cCoordWithInt(RelX, a_BlockY, RelZ, 100));
}
void cSandSimulator::AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk)
{
if ((a_Chunk == nullptr) || !a_Chunk->IsValid())
{
return;
}
int RelX = a_BlockX - a_Chunk->GetPosX() * cChunkDef::Width;
int RelZ = a_BlockZ - a_Chunk->GetPosZ() * cChunkDef::Width;
if (!IsAllowedBlock(a_Chunk->GetBlock(RelX, a_BlockY, RelZ)))
{
return;
}
// Check for duplicates:
cSandSimulatorChunkData & ChunkData = a_Chunk->GetSandSimulatorData();
for (cSandSimulatorChunkData::iterator itr = ChunkData.begin(); itr != ChunkData.end(); ++itr)
{
if ((itr->x == RelX) && (itr->y == a_BlockY) && (itr->z == RelZ))
{
return;
}
}
m_TotalBlocks += 1;
ChunkData.push_back(cCoordWithInt(RelX, a_BlockY, RelZ));
}
void cFireSimulator::SimulateChunk(std::chrono::milliseconds a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk)
{
cCoordWithIntList & Data = a_Chunk->GetFireSimulatorData();
int NumMSecs = static_cast<int>(a_Dt.count());
for (cCoordWithIntList::iterator itr = Data.begin(); itr != Data.end();)
{
int x = itr->x;
int y = itr->y;
int z = itr->z;
BLOCKTYPE BlockType = a_Chunk->GetBlock(x, y, z);
if (!IsAllowedBlock(BlockType))
{
// The block is no longer eligible (not a fire block anymore; a player probably placed a block over the fire)
FLOG("FS: Removing block {%d, %d, %d}",
itr->x + a_ChunkX * cChunkDef::Width, itr->y, itr->z + a_ChunkZ * cChunkDef::Width
);
itr = Data.erase(itr);
continue;
}
// Try to spread the fire:
TrySpreadFire(a_Chunk, itr->x, itr->y, itr->z);
itr->Data -= NumMSecs;
if (itr->Data >= 0)
{
// Not yet, wait for it longer
++itr;
continue;
}
// Burn out the fire one step by increasing the meta:
/*
FLOG("FS: Fire at {%d, %d, %d} is stepping",
itr->x + a_ChunkX * cChunkDef::Width, itr->y, itr->z + a_ChunkZ * cChunkDef::Width
);
*/
NIBBLETYPE BlockMeta = a_Chunk->GetMeta(x, y, z);
if (BlockMeta == 0x0f)
{
// The fire burnt out completely
FLOG("FS: Fire at {%d, %d, %d} burnt out, removing the fire block",
itr->x + a_ChunkX * cChunkDef::Width, itr->y, itr->z + a_ChunkZ * cChunkDef::Width
);
a_Chunk->SetBlock(itr->x, itr->y, itr->z, E_BLOCK_AIR, 0);
RemoveFuelNeighbors(a_Chunk, itr->x, itr->y, itr->z);
itr = Data.erase(itr);
continue;
}
if ((itr->y > 0) && (!DoesBurnForever(a_Chunk->GetBlock(itr->x, itr->y - 1, itr->z))))
{
a_Chunk->SetMeta(x, y, z, BlockMeta + 1);
}
itr->Data = GetBurnStepTime(a_Chunk, itr->x, itr->y, itr->z); // TODO: Add some randomness into this
} // for itr - Data[]
}
bool cFluidSimulator::IsPassableForFluid(BLOCKTYPE a_BlockType)
{
return (
(a_BlockType == E_BLOCK_AIR) ||
(a_BlockType == E_BLOCK_FIRE) ||
IsAllowedBlock(a_BlockType) ||
CanWashAway(a_BlockType)
);
}
void cFireSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk)
{
cCoordWithIntList & Data = a_Chunk->GetFireSimulatorData();
int NumMSecs = (int)a_Dt;
for (cCoordWithIntList::iterator itr = Data.begin(); itr != Data.end();)
{
int idx = cChunkDef::MakeIndexNoCheck(itr->x, itr->y, itr->z);
BLOCKTYPE BlockType = a_Chunk->GetBlock(idx);
if (!IsAllowedBlock(BlockType))
{
// The block is no longer eligible (not a fire block anymore; a player probably placed a block over the fire)
FLOG("FS: Removing block {%d, %d, %d}",
itr->x + a_ChunkX * cChunkDef::Width, itr->y, itr->z + a_ChunkZ * cChunkDef::Width
);
itr = Data.erase(itr);
continue;
}
// Try to spread the fire:
TrySpreadFire(a_Chunk, itr->x, itr->y, itr->z);
itr->Data -= NumMSecs;
if (itr->Data >= 0)
{
// Not yet, wait for it longer
++itr;
continue;
}
// Burn out the fire one step by increasing the meta:
/*
FLOG("FS: Fire at {%d, %d, %d} is stepping",
itr->x + a_ChunkX * cChunkDef::Width, itr->y, itr->z + a_ChunkZ * cChunkDef::Width
);
*/
NIBBLETYPE BlockMeta = a_Chunk->GetMeta(idx);
if (BlockMeta == 0x0f)
{
// The fire burnt out completely
FLOG("FS: Fire at {%d, %d, %d} burnt out, removing the fire block",
itr->x + a_ChunkX * cChunkDef::Width, itr->y, itr->z + a_ChunkZ * cChunkDef::Width
);
a_Chunk->SetBlock(itr->x, itr->y, itr->z, E_BLOCK_AIR, 0);
RemoveFuelNeighbors(a_Chunk, itr->x, itr->y, itr->z);
itr = Data.erase(itr);
continue;
}
a_Chunk->SetMeta(idx, BlockMeta + 1);
itr->Data = GetBurnStepTime(a_Chunk, itr->x, itr->y, itr->z); // TODO: Add some randomness into this
} // for itr - Data[]
}
void cSandSimulator::SimulateChunk(std::chrono::milliseconds a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk)
{
cSandSimulatorChunkData & ChunkData = a_Chunk->GetSandSimulatorData();
if (ChunkData.empty())
{
return;
}
int BaseX = a_Chunk->GetPosX() * cChunkDef::Width;
int BaseZ = a_Chunk->GetPosZ() * cChunkDef::Width;
for (cSandSimulatorChunkData::const_iterator itr = ChunkData.begin(), end = ChunkData.end(); itr != end; ++itr)
{
BLOCKTYPE BlockType = a_Chunk->GetBlock(itr->x, itr->y, itr->z);
if (!IsAllowedBlock(BlockType) || (itr->y <= 0))
{
continue;
}
BLOCKTYPE BlockBelow = (itr->y > 0) ? a_Chunk->GetBlock(itr->x, itr->y - 1, itr->z) : E_BLOCK_AIR;
if (CanStartFallingThrough(BlockBelow))
{
if (m_IsInstantFall)
{
DoInstantFall(a_Chunk, itr->x, itr->y, itr->z);
continue;
}
Vector3i Pos;
Pos.x = itr->x + BaseX;
Pos.y = itr->y;
Pos.z = itr->z + BaseZ;
/*
LOGD(
"Creating a falling block at {%d, %d, %d} of type %s, block below: %s",
Pos.x, Pos.y, Pos.z, ItemTypeToString(BlockType).c_str(), ItemTypeToString(BlockBelow).c_str()
);
*/
cFallingBlock * FallingBlock = new cFallingBlock(Pos, BlockType, a_Chunk->GetMeta(itr->x, itr->y, itr->z));
FallingBlock->Initialize(m_World);
a_Chunk->SetBlock(itr->x, itr->y, itr->z, E_BLOCK_AIR, 0);
}
}
m_TotalBlocks -= static_cast<int>(ChunkData.size());
ChunkData.clear();
}
// TODO Not working very well yet :s
Direction cFluidSimulator::GetFlowingDirection(int a_X, int a_Y, int a_Z, bool a_Over)
{
if ((a_Y < 0) || (a_Y >= cChunkDef::Height))
{
return NONE;
}
BLOCKTYPE BlockID = m_World.GetBlock(a_X, a_Y, a_Z);
if (!IsAllowedBlock(BlockID)) // No Fluid -> No Flowing direction :D
{
return NONE;
}
/*
Disabled because of causing problems and being useless atm
char BlockBelow = m_World.GetBlock(a_X, a_Y - 1, a_Z); // If there is nothing or fluid below it -> dominating flow is down :D
if ((BlockBelow == E_BLOCK_AIR) || IsAllowedBlock(BlockBelow))
{
return Y_MINUS;
}
*/
NIBBLETYPE LowestPoint = m_World.GetBlockMeta(a_X, a_Y, a_Z); // Current Block Meta so only lower points will be counted
int X = 0, Z = 0; // Lowest Pos will be stored here
if (IsAllowedBlock(m_World.GetBlock(a_X, a_Y + 1, a_Z)) && a_Over) // check for upper block to flow because this also affects the flowing direction
{
return GetFlowingDirection(a_X, a_Y + 1, a_Z, false);
}
std::vector< Vector3i * > Points;
Points.reserve(4); // Already allocate 4 places :D
// add blocks around the checking pos
Points.push_back(new Vector3i(a_X - 1, a_Y, a_Z));
Points.push_back(new Vector3i(a_X + 1, a_Y, a_Z));
Points.push_back(new Vector3i(a_X, a_Y, a_Z + 1));
Points.push_back(new Vector3i(a_X, a_Y, a_Z - 1));
for (std::vector<Vector3i *>::iterator it = Points.begin(); it < Points.end(); ++it)
{
Vector3i *Pos = (*it);
char BlockID = m_World.GetBlock(Pos->x, Pos->y, Pos->z);
if (IsAllowedBlock(BlockID))
{
char Meta = m_World.GetBlockMeta(Pos->x, Pos->y, Pos->z);
if (Meta > LowestPoint)
{
LowestPoint = Meta;
X = Pos->x;
Z = Pos->z;
}
}
else if (BlockID == E_BLOCK_AIR)
{
LowestPoint = 9; // This always dominates
X = Pos->x;
Z = Pos->z;
}
delete Pos;
Pos = nullptr;
}
if (LowestPoint == m_World.GetBlockMeta(a_X, a_Y, a_Z))
{
return NONE;
}
if (a_X - X > 0)
{
return X_MINUS;
}
if (a_X - X < 0)
{
return X_PLUS;
}
if (a_Z - Z > 0)
{
return Z_MINUS;
}
if (a_Z - Z < 0)
{
return Z_PLUS;
}
return NONE;
}
void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_NewMeta)
{
ASSERT(a_NewMeta <= 8); // Invalid meta values
ASSERT(a_NewMeta > 0); // Source blocks aren't spread
a_NearChunk = a_NearChunk->GetRelNeighborChunkAdjustCoords(a_RelX, a_RelZ);
if ((a_NearChunk == NULL) || (!a_NearChunk->IsValid()))
{
// Chunk not available
return;
}
const int BlockX = a_NearChunk->GetPosX() * cChunkDef::Width + a_RelX;
const int BlockZ = a_NearChunk->GetPosZ() * cChunkDef::Width + a_RelZ;
BLOCKTYPE BlockType;
NIBBLETYPE BlockMeta;
a_NearChunk->GetBlockTypeMeta(a_RelX, a_RelY, a_RelZ, BlockType, BlockMeta);
if (IsAllowedBlock(BlockType))
{
if ((BlockMeta == a_NewMeta) || IsHigherMeta(BlockMeta, a_NewMeta))
{
// Don't spread there, there's already a higher or same level there
return;
}
}
// Check water - lava interaction:
if (m_FluidBlock == E_BLOCK_LAVA)
{
if (IsBlockWater(BlockType))
{
// Lava flowing into water, change to stone / cobblestone based on direction:
BLOCKTYPE NewBlock = (a_NewMeta == 8) ? E_BLOCK_STONE : E_BLOCK_COBBLESTONE;
FLOG(" Lava flowing into water, turning water at rel {%d, %d, %d} into stone",
a_RelX, a_RelY, a_RelZ,
ItemTypeToString(NewBlock).c_str()
);
a_NearChunk->SetBlock(a_RelX, a_RelY, a_RelZ, NewBlock, 0);
a_NearChunk->BroadcastSoundEffect("random.fizz", BlockX * 8, a_RelY * 8, BlockZ * 8, 0.5f, 1.5f);
return;
}
}
else if (m_FluidBlock == E_BLOCK_WATER)
{
if (IsBlockLava(BlockType))
{
// Water flowing into lava, change to cobblestone / obsidian based on dest block:
BLOCKTYPE NewBlock = (BlockMeta == 0) ? E_BLOCK_OBSIDIAN : E_BLOCK_COBBLESTONE;
FLOG(" Water flowing into lava, turning lava at rel {%d, %d, %d} into %s",
a_RelX, a_RelY, a_RelZ, ItemTypeToString(NewBlock).c_str()
);
a_NearChunk->SetBlock(a_RelX, a_RelY, a_RelZ, NewBlock, 0);
a_NearChunk->BroadcastSoundEffect("random.fizz", BlockX * 8, a_RelY * 8, BlockZ * 8, 0.5f, 1.5f);
return;
}
}
else
{
ASSERT(!"Unknown fluid!");
}
if (!IsPassableForFluid(BlockType))
{
// Can't spread there
return;
}
// Wash away the block there, if possible:
if (CanWashAway(BlockType))
{
cBlockHandler * Handler = BlockHandler(BlockType);
if (Handler->DoesDropOnUnsuitable())
{
cChunkInterface ChunkInterface(m_World.GetChunkMap());
cBlockInServerPluginInterface PluginInterface(m_World);
Handler->DropBlock(
ChunkInterface,
m_World,
PluginInterface,
NULL,
BlockX,
a_RelY,
BlockZ
);
}
} // if (CanWashAway)
// Spread:
FLOG(" Spreading to {%d, %d, %d} with meta %d", BlockX, a_RelY, BlockZ, a_NewMeta);
a_NearChunk->SetBlock(a_RelX, a_RelY, a_RelZ, m_FluidBlock, a_NewMeta);
m_World.GetSimulatorManager()->WakeUp(BlockX, a_RelY, BlockZ, a_NearChunk);
HardenBlock(a_NearChunk, a_RelX, a_RelY, a_RelZ, m_FluidBlock, a_NewMeta);
}
bool cFloodyFluidSimulator::CheckTributaries(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_MyMeta)
{
// If we have a section above, check if there's fluid above this block that would feed it:
if (a_RelY < cChunkDef::Height - 1)
{
if (IsAnyFluidBlock(a_Chunk->GetBlock(a_RelX, a_RelY + 1, a_RelZ)))
{
// This block is fed from above, no more processing needed
FLOG(" Fed from above");
return false;
}
}
// Not fed from above, check if there's a feed from the side (but not if it's a downward-flowing block):
if (a_MyMeta != 8)
{
BLOCKTYPE BlockType;
NIBBLETYPE BlockMeta;
static const Vector3i Coords[] =
{
Vector3i( 1, 0, 0),
Vector3i(-1, 0, 0),
Vector3i( 0, 0, 1),
Vector3i( 0, 0, -1),
} ;
for (size_t i = 0; i < ARRAYCOUNT(Coords); i++)
{
if (!a_Chunk->UnboundedRelGetBlock(a_RelX + Coords[i].x, a_RelY, a_RelZ + Coords[i].z, BlockType, BlockMeta))
{
continue;
}
if (IsAllowedBlock(BlockType) && IsHigherMeta(BlockMeta, a_MyMeta))
{
// This block is fed, no more processing needed
FLOG(" Fed from {%d, %d, %d}, type %d, meta %d",
a_Chunk->GetPosX() * cChunkDef::Width + a_RelX + Coords[i].x,
a_RelY,
a_Chunk->GetPosZ() * cChunkDef::Width + a_RelZ + Coords[i].z,
BlockType, BlockMeta
);
return false;
}
} // for i - Coords[]
} // if not fed from above
// Block is not fed, decrease by m_Falloff levels:
if (a_MyMeta >= 8)
{
FLOG(" Not fed and downwards, turning into non-downwards meta %d", m_Falloff);
a_Chunk->SetBlock(a_RelX, a_RelY, a_RelZ, m_StationaryFluidBlock, m_Falloff);
}
else
{
a_MyMeta += m_Falloff;
if (a_MyMeta < 8)
{
FLOG(" Not fed, decreasing from %d to %d", a_MyMeta - m_Falloff, a_MyMeta);
a_Chunk->SetBlock(a_RelX, a_RelY, a_RelZ, m_StationaryFluidBlock, a_MyMeta);
}
else
{
FLOG(" Not fed, meta %d, erasing altogether", a_MyMeta);
a_Chunk->SetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_AIR, 0);
}
}
return true;
}
