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// DelayedFluidSimulator.h
// 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.
#pragma once
#include "FluidSimulator.h"
class cDelayedFluidSimulatorChunkData : public cFluidSimulatorData
{
public:
class cSlot
{
public:
/** Returns true if the specified block is stored */
bool HasBlock(int a_RelX, int a_RelY, int a_RelZ);
/** Adds the specified block unless already present; returns true if added, false if the block was already
* present */
bool Add(int a_RelX, int a_RelY, int a_RelZ);
/** Array of block containers, each item stores blocks for one Z coord
size_t param is the block index (for faster duplicate comparison in Add())
*/
std::vector<cCoordWithData<size_t>> m_Blocks[16];
};
cDelayedFluidSimulatorChunkData(int a_TickDelay);
virtual ~cDelayedFluidSimulatorChunkData() override;
/** Slots, one for each delay tick, each containing the blocks to simulate */
cSlot * m_Slots;
};
class cDelayedFluidSimulator : public cFluidSimulator
{
using Super = cFluidSimulator;
public:
cDelayedFluidSimulator(cWorld & a_World, BLOCKTYPE a_Fluid, BLOCKTYPE a_StationaryFluid, int a_TickDelay);
protected:
virtual void Simulate(float a_Dt) override;
virtual void SimulateChunk(std::chrono::milliseconds a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk) override;
virtual void AddBlock(cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_Block) override;
virtual cFluidSimulatorData * CreateChunkData(void) override
{
return new cDelayedFluidSimulatorChunkData(m_TickDelay);
}
int m_TickDelay; // Count of the m_Slots array in each ChunkData
int m_AddSlotNum; // Index into m_Slots[] where to add new blocks in each ChunkData
int m_SimSlotNum; // Index into m_Slots[] where to simulate blocks in each ChunkData
int m_TotalBlocks; // Statistics only: the total number of blocks currently queued
/* Slots:
| 0 | 1 | ... | m_AddSlotNum | m_SimSlotNum | ... | m_TickDelay - 1 |
| adding blocks here ^ | ^ simulating here */
/** Called from SimulateChunk() to simulate each block in one slot of blocks. Descendants override this method to
* provide custom simulation. */
virtual void SimulateBlock(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ) = 0;
};
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