mirror of
https://github.com/ScrelliCopter/tmx2gba.git
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81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
/* tmxreader.hpp - Copyright (C) 2015-2024 a dinosaur (zlib, see COPYING.txt) */
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#ifndef TMXREADER_HPP
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#define TMXREADER_HPP
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#include <string>
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#include <string_view>
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#include <cstdint>
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#include <span>
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#include <vector>
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#include <map>
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#include <optional>
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class TmxReader
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{
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public:
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static constexpr uint8_t FLIP_HORZ = 0x8;
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static constexpr uint8_t FLIP_VERT = 0x4;
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static constexpr uint8_t FLIP_DIAG = 0x2;
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static constexpr uint8_t FLIP_MASK = 0xE;
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enum class Error
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{
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OK,
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LOAD_FAILED,
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NO_LAYERS,
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GRAPHICS_NOTFOUND,
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PALETTE_NOTFOUND,
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COLLISION_NOTFOUND
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};
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[[nodiscard]] Error Open(const std::string& inPath,
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const std::string_view graphicsName,
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const std::string_view paletteName,
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const std::string_view collisionName,
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const std::map<std::string, uint32_t>& objMapping);
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struct Size { int width, height; };
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[[nodiscard]] constexpr Size GetSize() const { return mSize; }
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[[nodiscard]] constexpr size_t TileCount() const { return
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static_cast<size_t>(mSize.width) *
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static_cast<size_t>(mSize.height); }
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[[nodiscard]] uint32_t LidFromGid(uint32_t aGid) const;
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struct Tile { uint32_t id; uint8_t flags; };
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struct Object { unsigned id; float x, y; };
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[[nodiscard]] constexpr bool HasCollisionTiles() const { return mCollision.has_value(); }
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[[nodiscard]] constexpr bool HasObjects() const { return mObjects.has_value(); }
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[[nodiscard]] constexpr const std::span<const Tile> GetGraphicsTiles() const { return mGraphics; }
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[[nodiscard]] constexpr const std::optional<std::span<const uint32_t>> GetPaletteTiles() const
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{
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if (mPalette.has_value()) { return { mPalette.value() }; }
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return std::nullopt;
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}
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[[nodiscard]] constexpr const std::optional<std::span<const uint32_t>> GetCollisionTiles() const
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{
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if (mCollision.has_value()) { return { mCollision.value() }; }
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return std::nullopt;
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}
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[[nodiscard]] constexpr const std::optional<std::span<const Object>> GetObjects() const
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{
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if (mObjects.has_value()) { return { mObjects.value() }; }
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return std::nullopt;
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}
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private:
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Size mSize;
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std::vector<std::pair<uint32_t, uint32_t>> mGidTable;
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std::vector<Tile> mGraphics;
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std::optional<std::vector<uint32_t>> mPalette;
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std::optional<std::vector<uint32_t>> mCollision;
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std::optional<std::vector<Object>> mObjects;
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};
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#endif//TMXREADER_HPP
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