eac92d1b04
By storing only the differences between Snapshots where possible. NOTE: This may be reverted later if it causes too much trouble.
77 lines
1.5 KiB
C++
77 lines
1.5 KiB
C++
#pragma once
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#include "Snapshot.h"
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#include <memory>
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#include <cstdint>
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struct SnapshotDelta
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{
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template<class Item>
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struct Diff
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{
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Item oldItem, newItem;
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};
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template<class Item>
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struct Hunk
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{
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int offset;
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std::vector<Diff<Item>> diffs;
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};
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template<class Item>
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struct SingleDiff
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{
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bool valid = false;
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Diff<Item> diff;
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};
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template<class Item>
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struct HalfHunk
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{
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int offset;
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std::vector<Item> items;
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};
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template<class Item>
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using HunkVector = std::vector<Hunk<Item>>;
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template<class Item>
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struct HalfHunkVectorPair
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{
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std::vector<HalfHunk<Item>> oldHunks, newHunks;
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};
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HunkVector<float> AirPressure;
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HunkVector<float> AirVelocityX;
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HunkVector<float> AirVelocityY;
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HunkVector<float> AmbientHeat;
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HunkVector<uint32_t> commonParticles;
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std::vector<Particle> extraPartsOld, extraPartsNew;
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HunkVector<float> GravVelocityX;
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HunkVector<float> GravVelocityY;
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HunkVector<float> GravValue;
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HunkVector<float> GravMap;
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HunkVector<unsigned char> BlockMap;
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HunkVector<unsigned char> ElecMap;
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HunkVector<float> FanVelocityX;
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HunkVector<float> FanVelocityY;
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HunkVector<uint32_t> PortalParticles;
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HunkVector<int> WirelessData;
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HunkVector<uint32_t> stickmen;
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SingleDiff<std::vector<sign>> signs;
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SingleDiff<Json::Value> Authors;
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static std::unique_ptr<SnapshotDelta> FromSnapshots(const Snapshot &oldSnap, const Snapshot &newSnap);
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std::unique_ptr<Snapshot> Forward(const Snapshot &oldSnap);
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std::unique_ptr<Snapshot> Restore(const Snapshot &newSnap);
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};
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