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BrickBounds reads the <Bounding><AABB/> of every Primitives/<designID>.xml in the client's res/brickdb.zip (through the asset manager, so packed and unpacked clients both work), by design ID. A design listed only as another primitive's alias gets that primitive's box. Get() reads the file the first time it is called and keeps the boxes for every later call. The zip is read by a small reader in dCommon (Zip::ForEachEntry) that handles stored and deflated entries, with a raw inflate added to ZCompression. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
// Darkflame Universe
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// Copyright 2025
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#ifndef BRICKBOUNDS_H
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#define BRICKBOUNDS_H
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#include <cstdint>
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#include <optional>
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#include <string_view>
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#include <unordered_map>
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#include "NiPoint3.h"
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class AssetManager;
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// The bounding boxes of the client's bricks, from its brickdb (res/brickdb.zip)
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namespace BrickBounds {
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// A brick's box around its own origin
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struct Bounds {
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NiPoint3 min;
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NiPoint3 max;
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};
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// Design ID -> its box
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using DesignBounds = std::unordered_map<uint32_t, Bounds>;
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// The <Bounding><AABB/> of one primitive (Primitives/<designID>.xml)
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[[nodiscard]] std::optional<Bounds> ParsePrimitive(std::string_view xml);
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// The box of every primitive in a brickdb.zip. A design listed only as another primitive's alias gets that
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// primitive's box.
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[[nodiscard]] DesignBounds ParseBrickDb(std::string_view zip);
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// Reads brickdb.zip through `assets`; empty if it can't be read
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[[nodiscard]] DesignBounds Load(const AssetManager& assets);
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// The boxes read by Load the first time this is called, kept for every later call (`assets` is only used then).
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// Empty without `assets`.
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[[nodiscard]] const DesignBounds& Get(const AssetManager* assets);
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};
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#endif //!BRICKBOUNDS_H
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