156 lines
3.7 KiB
C++
156 lines
3.7 KiB
C++
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// DelayedFluidSimulator.cpp
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// Interfaces to the cDelayedFluidSimulator class representing a fluid simulator that has a configurable delay
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// before simulating a block. Each tick it takes a consecutive delay "slot" and simulates only blocks in that slot.
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#include "Globals.h"
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#include "DelayedFluidSimulator.h"
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#include "../World.h"
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#include "../Chunk.h"
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////////////////////////////////////////////////////////////////////////////////
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// cDelayedFluidSimulatorChunkData::cSlot
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bool cDelayedFluidSimulatorChunkData::cSlot::Add(int a_RelX, int a_RelY, int a_RelZ)
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{
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ASSERT(a_RelZ >= 0);
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ASSERT(a_RelZ < static_cast<int>(ARRAYCOUNT(m_Blocks)));
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cCoordWithIntVector & Blocks = m_Blocks[a_RelZ];
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int Index = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY, a_RelZ);
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for (cCoordWithIntVector::const_iterator itr = Blocks.begin(), end = Blocks.end(); itr != end; ++itr)
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{
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if (itr->Data == Index)
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{
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// Already present
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return false;
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}
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} // for itr - Blocks[]
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Blocks.emplace_back(a_RelX, a_RelY, a_RelZ, Index);
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////
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// cDelayedFluidSimulatorChunkData:
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cDelayedFluidSimulatorChunkData::cDelayedFluidSimulatorChunkData(int a_TickDelay) :
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m_Slots(new cSlot[ToUnsigned(a_TickDelay)])
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{
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}
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cDelayedFluidSimulatorChunkData::~cDelayedFluidSimulatorChunkData()
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{
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delete[] m_Slots;
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m_Slots = nullptr;
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}
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////////////////////////////////////////////////////////////////////////////////
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// cDelayedFluidSimulator:
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cDelayedFluidSimulator::cDelayedFluidSimulator(cWorld & a_World, BLOCKTYPE a_Fluid, BLOCKTYPE a_StationaryFluid, int a_TickDelay) :
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Super(a_World, a_Fluid, a_StationaryFluid),
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m_TickDelay(a_TickDelay),
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m_AddSlotNum(a_TickDelay - 1),
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m_SimSlotNum(0),
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m_TotalBlocks(0)
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{
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}
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void cDelayedFluidSimulator::Simulate(float a_Dt)
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{
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m_AddSlotNum = m_SimSlotNum;
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m_SimSlotNum += 1;
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if (m_SimSlotNum >= m_TickDelay)
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{
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m_SimSlotNum = 0;
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}
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}
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void cDelayedFluidSimulator::SimulateChunk(std::chrono::milliseconds a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk)
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{
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auto ChunkDataRaw = (m_FluidBlock == E_BLOCK_WATER) ? a_Chunk->GetWaterSimulatorData() : a_Chunk->GetLavaSimulatorData();
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cDelayedFluidSimulatorChunkData * ChunkData = static_cast<cDelayedFluidSimulatorChunkData *>(ChunkDataRaw);
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cDelayedFluidSimulatorChunkData::cSlot & Slot = ChunkData->m_Slots[m_SimSlotNum];
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// Simulate all the blocks in the scheduled slot:
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for (size_t i = 0; i < ARRAYCOUNT(Slot.m_Blocks); i++)
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{
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cCoordWithIntVector & Blocks = Slot.m_Blocks[i];
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if (Blocks.empty())
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{
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continue;
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}
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for (cCoordWithIntVector::iterator itr = Blocks.begin(), end = Blocks.end(); itr != end; ++itr)
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{
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SimulateBlock(a_Chunk, itr->x, itr->y, itr->z);
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}
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m_TotalBlocks -= static_cast<int>(Blocks.size());
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Blocks.clear();
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}
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}
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void cDelayedFluidSimulator::AddBlock(cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_Block)
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{
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if ((a_Block != m_FluidBlock) && (a_Block != m_StationaryFluidBlock))
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{
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return;
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}
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auto ChunkDataRaw = (m_FluidBlock == E_BLOCK_WATER) ? a_Chunk.GetWaterSimulatorData() : a_Chunk.GetLavaSimulatorData();
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cDelayedFluidSimulatorChunkData * ChunkData = static_cast<cDelayedFluidSimulatorChunkData *>(ChunkDataRaw);
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cDelayedFluidSimulatorChunkData::cSlot & Slot = ChunkData->m_Slots[m_AddSlotNum];
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// Add, if not already present:
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if (!Slot.Add(a_Position.x, a_Position.y, a_Position.z))
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{
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return;
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}
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++m_TotalBlocks;
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}
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void cDelayedFluidSimulator::WakeUp(cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_Block)
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{
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if (!cChunkDef::IsValidHeight(a_Position.y))
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{
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// Not inside the world (may happen when rclk with a full bucket - the client sends Y = -1)
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return;
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}
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AddBlock(a_Chunk, a_Position, a_Block);
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}
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