40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
#pragma once
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#include <cstdint>
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#include <vector>
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#include "World.h"
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#include "Entity.h"
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namespace vf {
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// A rectangular byte grid: two parallel channels over an origin/dims box. Used to
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// carry a fluid snapshot (levels + sources) or a light snapshot (sun + block).
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struct GridSnapshot {
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Vec3i origin;
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Vec3i dims;
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std::vector<uint8_t> channelA;
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std::vector<uint8_t> channelB;
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};
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// The full v3 save payload: world blocks plus the simulation state that v1/v2 did
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// not persist (mobs, fluid, light).
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struct SaveV3 {
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World world;
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std::vector<Mob> mobs;
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bool hasFluid = false;
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GridSnapshot fluid;
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bool hasLight = false;
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GridSnapshot light;
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};
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// Binary format "VXF3": magic, version 3, the v1 RLE block stream, then tagged,
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// length-prefixed sections (mobs, fluid, light). Unknown sections are skipped.
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std::vector<uint8_t> serializeSaveV3(const SaveV3& save);
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// Loads a save into `out`. Accepts a v3 buffer (full state) or a legacy v1/v2
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// buffer (magic "VXF1"), in which case only the world is populated and the
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// mobs/fluid/light stay empty. Returns false on bad magic or a truncated stream.
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bool deserializeSaveV3(const uint8_t* data, std::size_t size, SaveV3& out);
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} // namespace vf
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