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// DelayedFluidSimulator.cpp
// Interfaces to the cDelayedFluidSimulator class representing a fluid simulator that has a configurable delay
// before simulating a block. Each tick it takes a consecutive delay "slot" and simulates only blocks in that slot.
#include "Globals.h"
#include "DelayedFluidSimulator.h"
#include "../World.h"
#include "../Chunk.h"
////////////////////////////////////////////////////////////////////////////////
// cDelayedFluidSimulatorChunkData::cSlot
bool cDelayedFluidSimulatorChunkData::cSlot::Add(int a_RelX, int a_RelY, int a_RelZ)
{
ASSERT(a_RelZ >= 0);
ASSERT(a_RelZ < static_cast<int>(ARRAYCOUNT(m_Blocks)));
cCoordWithIntVector & Blocks = m_Blocks[a_RelZ];
int Index = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY, a_RelZ);
for (cCoordWithIntVector::const_iterator itr = Blocks.begin(), end = Blocks.end(); itr != end; ++itr)
{
if (itr->Data == Index)
{
// Already present
return false;
}
} // for itr - Blocks[]
Blocks.push_back(cCoordWithInt(a_RelX, a_RelY, a_RelZ, Index));
return true;
}
////////////////////////////////////////////////////////////////////////////////
// cDelayedFluidSimulatorChunkData:
cDelayedFluidSimulatorChunkData::cDelayedFluidSimulatorChunkData(int a_TickDelay) :
m_Slots(new cSlot[a_TickDelay])
{
}
cDelayedFluidSimulatorChunkData::~cDelayedFluidSimulatorChunkData()
{
delete[] m_Slots;
m_Slots = NULL;
}
////////////////////////////////////////////////////////////////////////////////
// cDelayedFluidSimulator:
cDelayedFluidSimulator::cDelayedFluidSimulator(cWorld & a_World, BLOCKTYPE a_Fluid, BLOCKTYPE a_StationaryFluid, int a_TickDelay) :
super(a_World, a_Fluid, a_StationaryFluid),
m_TickDelay(a_TickDelay),
m_AddSlotNum(a_TickDelay - 1),
m_SimSlotNum(0),
m_TotalBlocks(0)
{
}
void cDelayedFluidSimulator::AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk)
{
if ((a_BlockY < 0) || (a_BlockY >= cChunkDef::Height))
{
// Not inside the world (may happen when rclk with a full bucket - the client sends Y = -1)
return;
}
if ((a_Chunk == NULL) || !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 (BlockType != m_FluidBlock)
{
return;
}
void * ChunkDataRaw = (m_FluidBlock == E_BLOCK_WATER) ? a_Chunk->GetWaterSimulatorData() : a_Chunk->GetLavaSimulatorData();
cDelayedFluidSimulatorChunkData * ChunkData = (cDelayedFluidSimulatorChunkData *)ChunkDataRaw;
cDelayedFluidSimulatorChunkData::cSlot & Slot = ChunkData->m_Slots[m_AddSlotNum];
// Add, if not already present:
if (!Slot.Add(RelX, a_BlockY, RelZ))
{
return;
}
++m_TotalBlocks;
}
void cDelayedFluidSimulator::Simulate(float a_Dt)
{
m_AddSlotNum = m_SimSlotNum;
m_SimSlotNum += 1;
if (m_SimSlotNum >= m_TickDelay)
{
m_SimSlotNum = 0;
}
}
void cDelayedFluidSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk)
{
void * ChunkDataRaw = (m_FluidBlock == E_BLOCK_WATER) ? a_Chunk->GetWaterSimulatorData() : a_Chunk->GetLavaSimulatorData();
cDelayedFluidSimulatorChunkData * ChunkData = (cDelayedFluidSimulatorChunkData *)ChunkDataRaw;
cDelayedFluidSimulatorChunkData::cSlot & Slot = ChunkData->m_Slots[m_SimSlotNum];
// Simulate all the blocks in the scheduled slot:
for (size_t i = 0; i < ARRAYCOUNT(Slot.m_Blocks); i++)
{
cCoordWithIntVector & Blocks = Slot.m_Blocks[i];
if (Blocks.empty())
{
continue;
}
for (cCoordWithIntVector::iterator itr = Blocks.begin(), end = Blocks.end(); itr != end; ++itr)
{
SimulateBlock(a_Chunk, itr->x, itr->y, itr->z);
}
m_TotalBlocks -= (int)Blocks.size();
Blocks.clear();
}
}
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