2015-06-26 18:24:51 -04:00
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#include "Globals.h"
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#include "IncrementalRedstoneSimulator.h"
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2020-08-19 16:14:40 -04:00
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#include "RedstoneHandler.h"
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2020-08-08 13:22:16 -04:00
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#include "ForEachSourceCallback.h"
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2015-06-26 18:24:51 -04:00
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2020-07-26 09:15:00 -04:00
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void cIncrementalRedstoneSimulator::SimulateChunk(std::chrono::milliseconds a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk)
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2015-06-26 18:24:51 -04:00
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{
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2020-07-26 09:15:00 -04:00
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auto & ChunkData = *static_cast<cIncrementalRedstoneSimulatorChunkData *>(a_Chunk->GetRedstoneSimulatorData());
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for (auto & DelayInfo : ChunkData.m_MechanismDelays)
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2015-06-26 18:24:51 -04:00
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{
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if ((--DelayInfo.second.first) == 0)
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{
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2020-07-26 09:15:00 -04:00
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ChunkData.WakeUp(DelayInfo.first);
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2015-06-26 18:24:51 -04:00
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}
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}
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// Build our work queue
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2020-07-26 09:15:00 -04:00
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auto & WorkQueue = ChunkData.GetActiveBlocks();
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2015-06-26 18:24:51 -04:00
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// Process the work queue
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while (!WorkQueue.empty())
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{
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// Grab the first element and remove it from the list
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2020-07-26 09:15:00 -04:00
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Vector3i CurrentLocation = WorkQueue.top();
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WorkQueue.pop();
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2015-06-26 18:24:51 -04:00
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2020-07-26 09:15:00 -04:00
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const auto NeighbourChunk = a_Chunk->GetRelNeighborChunkAdjustCoords(CurrentLocation);
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if ((NeighbourChunk == nullptr) || !NeighbourChunk->IsValid())
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{
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2020-07-26 11:08:20 -04:00
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continue;
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2015-06-26 18:24:51 -04:00
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}
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2020-07-26 09:15:00 -04:00
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ProcessWorkItem(*NeighbourChunk, *a_Chunk, CurrentLocation);
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}
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for (const auto Position : ChunkData.AlwaysTickedPositions)
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{
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ChunkData.WakeUp(Position);
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}
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}
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2015-06-26 18:24:51 -04:00
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2020-07-24 04:11:40 -04:00
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2015-06-26 18:24:51 -04:00
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2020-07-26 09:15:00 -04:00
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void cIncrementalRedstoneSimulator::ProcessWorkItem(cChunk & Chunk, cChunk & TickingSource, const Vector3i Position)
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{
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BLOCKTYPE CurrentBlock;
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NIBBLETYPE CurrentMeta;
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Chunk.GetBlockTypeMeta(Position, CurrentBlock, CurrentMeta);
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2020-08-08 13:22:16 -04:00
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ForEachSourceCallback Callback(Chunk, Position, CurrentBlock);
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RedstoneHandler::ForValidSourcePositions(Chunk, Position, CurrentBlock, CurrentMeta, Callback);
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// Inform the handler to update
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RedstoneHandler::Update(Chunk, TickingSource, Position, CurrentBlock, CurrentMeta, Callback.Power);
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2015-06-26 18:24:51 -04:00
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}
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2020-04-05 15:20:52 -04:00
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2020-07-28 19:12:45 -04:00
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void cIncrementalRedstoneSimulator::AddBlock(cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_Block)
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{
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// Never update blocks without a handler:
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2020-07-28 20:18:59 -04:00
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if (!IsRedstone(a_Block))
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{
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return;
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}
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2020-07-29 15:15:09 -04:00
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auto & ChunkData = *static_cast<cIncrementalRedstoneSimulatorChunkData *>(a_Chunk.GetRedstoneSimulatorData());
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2020-07-28 20:18:59 -04:00
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if (IsAlwaysTicked(a_Block))
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{
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ChunkData.AlwaysTickedPositions.emplace(a_Position);
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}
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2020-08-08 13:22:16 -04:00
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// Temporary: in the absence of block state support calculate our own:
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if (a_Block == E_BLOCK_REDSTONE_WIRE)
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{
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RedstoneHandler::SetWireState(a_Chunk, a_Position);
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}
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2020-07-28 19:12:45 -04:00
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// Always update redstone devices:
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2020-07-28 20:18:59 -04:00
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ChunkData.WakeUp(a_Position);
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2020-04-05 15:20:52 -04:00
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}
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2020-07-29 15:15:09 -04:00
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void cIncrementalRedstoneSimulator::WakeUp(cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_Block)
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{
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// Having WakeUp called on us directly means someone called SetBlock (or WakeUp)
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// Since the simulator never does this, something external changed. Clear cached data:
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static_cast<cIncrementalRedstoneSimulatorChunkData *>(a_Chunk.GetRedstoneSimulatorData())->ErasePowerData(a_Position);
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// Queue the block, in case the set block was redstone:
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AddBlock(a_Chunk, a_Position, a_Block);
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}
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void cIncrementalRedstoneSimulator::WakeUp(cChunk & a_Chunk, Vector3i a_Position, Vector3i a_Offset, BLOCKTYPE a_Block)
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{
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// This is an automatic cross-coords wakeup by cSimulatorManager
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// There is no need to erase power data; if a component was destroyed the 3-arg WakeUp will handle it
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AddBlock(a_Chunk, a_Position, a_Block);
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// The only thing to do go one block farther than this cross-coord, in the direction of Offset
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// in order to notify linked-powered positions that there was a change
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2020-08-08 13:22:16 -04:00
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for (const auto Offset : cSimulator::GetLinkedOffsets(a_Offset))
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{
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auto Relative = a_Position - a_Offset + Offset;
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if (!cChunkDef::IsValidHeight(Relative.y))
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{
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continue;
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}
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auto Chunk = a_Chunk.GetRelNeighborChunkAdjustCoords(Relative);
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if ((Chunk == nullptr) || !Chunk->IsValid())
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{
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continue;
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}
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const auto Block = Chunk->GetBlock(Relative);
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AddBlock(*Chunk, Relative, Block);
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}
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2020-07-29 15:15:09 -04:00
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}
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