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Small code cleanup

pull/4408/head
Kim Kulling 2022-02-22 21:07:23 +01:00
parent bf1f142a72
commit a6808b868c
1 changed files with 57 additions and 108 deletions
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163
code/AssetLib/glTF/glTFAsset.h
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@ -2,7 +2,7 @@
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2021, assimp team
Copyright (c) 2006-2022, assimp team
All rights reserved.
@ -260,20 +260,9 @@ public:
VEC4,
MAT2,
MAT3,
MAT4 };
private:
static const size_t NUM_VALUES = static_cast<size_t>(MAT4) + 1;
struct Info {
const char *name;
unsigned int numComponents;
MAT4
};
template <int N>
struct data { static const Info infos[NUM_VALUES]; };
public:
inline static Value FromString(const char *str) {
for (size_t i = 0; i < NUM_VALUES; ++i) {
if (strcmp(data<0>::infos[i].name, str) == 0) {
@ -290,41 +279,32 @@ public:
inline static unsigned int GetNumComponents(Value type) {
return data<0>::infos[static_cast<size_t>(type)].numComponents;
}
private:
static const size_t NUM_VALUES = static_cast<size_t>(MAT4) + 1;
struct Info {
const char *name;
unsigned int numComponents;
};
template <int N>
struct data {
static const Info infos[NUM_VALUES];
};
};
// must match the order of the AttribTypeTraits::Value enum!
template <int N>
const AttribType::Info
AttribType::data<N>::infos[AttribType::NUM_VALUES] = {
{ "SCALAR", 1 }, { "VEC2", 2 }, { "VEC3", 3 }, { "VEC4", 4 }, { "MAT2", 4 }, { "MAT3", 9 }, { "MAT4", 16 }
const AttribType::Info AttribType::data<N>::infos[AttribType::NUM_VALUES] = {
{ "SCALAR", 1 },
{ "VEC2", 2 },
{ "VEC3", 3 },
{ "VEC4", 4 },
{ "MAT2", 4 },
{ "MAT3", 9 },
{ "MAT4", 16 }
};
/*
//! A reference to one top-level object, which is valid
//! until the Asset instance is destroyed
template<class T>
class Ref
{
std::vector<T*>* vector;
unsigned int index;
public:
Ref() : vector(0), index(0) {}
Ref(std::vector<T*>& vec, unsigned int idx) : vector(&vec), index(idx) {}
inline unsigned int GetIndex() const
{ return index; }
operator bool() const
{ return vector != 0; }
T* operator->()
{ return (*vector)[index]; }
T& operator*()
{ return *((*vector)[index]); }
};*/
//! Base class for all glTF top-level objects
struct Object {
std::string id; //!< The globally unique ID used to reference this object
@ -333,6 +313,7 @@ struct Object {
//! Objects marked as special are not exported (used to emulate the binary body buffer)
virtual bool IsSpecial() const { return false; }
Object() = default;
virtual ~Object() {}
//! Maps special IDs to another ID, where needed. Subclasses may override it (statically)
@ -401,21 +382,19 @@ struct Accessor : public Object {
return Indexer(*this);
}
Accessor() {}
Accessor() = default;
void Read(Value &obj, Asset &r);
};
//! A buffer points to binary geometry, animation, or skins.
struct Buffer : public Object {
/********************* Types *********************/
public:
enum Type {
Type_arraybuffer,
Type_text
};
/// \struct SEncodedRegion
/// Descriptor of encoded region in "bufferView".
/// @brief Descriptor of encoded region in "bufferView".
struct SEncodedRegion {
const size_t Offset; ///< Offset from begin of "bufferView" to encoded region, in bytes.
const size_t EncodedData_Length; ///< Size of encoded region, in bytes.
@ -423,8 +402,7 @@ public:
const size_t DecodedData_Length; ///< Size of decoded region, in bytes.
const std::string ID; ///< ID of the region.
/// \fn SEncodedRegion(const size_t pOffset, const size_t pEncodedData_Length, uint8_t* pDecodedData, const size_t pDecodedData_Length, const std::string pID)
/// Constructor.
/// @brief Constructor.
/// \param [in] pOffset - offset from begin of "bufferView" to encoded region, in bytes.
/// \param [in] pEncodedData_Length - size of encoded region, in bytes.
/// \param [in] pDecodedData - pointer to decoded data array.
@ -433,16 +411,13 @@ public:
SEncodedRegion(const size_t pOffset, const size_t pEncodedData_Length, uint8_t *pDecodedData, const size_t pDecodedData_Length, const std::string &pID) :
Offset(pOffset), EncodedData_Length(pEncodedData_Length), DecodedData(pDecodedData), DecodedData_Length(pDecodedData_Length), ID(pID) {}
/// \fn ~SEncodedRegion()
/// Destructor.
~SEncodedRegion() { delete[] DecodedData; }
};
/******************* Variables *******************/
//std::string uri; //!< The uri of the buffer. Can be a filepath, a data uri, etc. (required)
size_t byteLength; //!< The length of the buffer in bytes. (default: 0)
//std::string type; //!< XMLHttpRequest responseType (default: "arraybuffer")
Type type;
@ -486,7 +461,6 @@ public:
bool LoadFromStream(IOStream &stream, size_t length = 0, size_t baseOffset = 0);
/// \fn void EncodedRegion_Mark(const size_t pOffset, const size_t pEncodedData_Length, uint8_t* pDecodedData, const size_t pDecodedData_Length, const std::string& pID)
/// Mark region of "bufferView" as encoded. When data is request from such region then "bufferView" use decoded data.
/// \param [in] pOffset - offset from begin of "bufferView" to encoded region, in bytes.
/// \param [in] pEncodedData_Length - size of encoded region, in bytes.
@ -495,12 +469,10 @@ public:
/// \param [in] pID - ID of the region.
void EncodedRegion_Mark(const size_t pOffset, const size_t pEncodedData_Length, uint8_t *pDecodedData, const size_t pDecodedData_Length, const std::string &pID);
/// \fn void EncodedRegion_SetCurrent(const std::string& pID)
/// Select current encoded region by ID. \sa EncodedRegion_Current.
/// \param [in] pID - ID of the region.
void EncodedRegion_SetCurrent(const std::string &pID);
/// \fn bool ReplaceData(const size_t pBufferData_Offset, const size_t pBufferData_Count, const uint8_t* pReplace_Data, const size_t pReplace_Count)
/// Replace part of buffer data. Pay attention that function work with original array of data (\ref mData) not with encoded regions.
/// \param [in] pBufferData_Offset - index of first element in buffer from which new data will be placed.
/// \param [in] pBufferData_Count - count of bytes in buffer which will be replaced.
@ -558,37 +530,29 @@ struct Camera : public Object {
} ortographic;
};
Camera() {}
Camera() = default;
void Read(Value &obj, Asset &r);
};
//! Image data used to create a texture.
struct Image : public Object {
std::string uri; //! The uri of the image, that can be a file path, a data URI, etc.. (required)
Ref<BufferView> bufferView;
std::string mimeType;
int width, height;
private:
std::unique_ptr<uint8_t[]> mData;
size_t mDataLength;
public:
Image();
void Read(Value &obj, Asset &r);
inline bool HasData() const { return mDataLength > 0; }
inline size_t GetDataLength() const { return mDataLength; }
inline const uint8_t *GetData() const { return mData.get(); }
inline uint8_t *StealData();
inline void SetData(uint8_t *data, size_t length, Asset &r);
private:
std::unique_ptr<uint8_t[]> mData;
size_t mDataLength;
};
//! Holds a material property that can be a texture or a color
@ -671,6 +635,7 @@ struct Mesh : public Object {
};
#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC
/// \struct SCompression_Open3DGC
/// Compression of mesh data using Open3DGC algorithm.
struct SCompression_Open3DGC : public SExtension {
@ -703,7 +668,6 @@ struct Mesh : public Object {
Mesh() {}
/// \fn ~Mesh()
/// Destructor.
~Mesh() {
for (std::list<SExtension *>::iterator it = Extension.begin(), it_end = Extension.end(); it != it_end; it++) {
@ -711,15 +675,13 @@ struct Mesh : public Object {
};
}
/// \fn void Read(Value& pJSON_Object, Asset& pAsset_Root)
/// Get mesh data from JSON-object and place them to root asset.
/// @brief Get mesh data from JSON-object and place them to root asset.
/// \param [in] pJSON_Object - reference to pJSON-object from which data are read.
/// \param [out] pAsset_Root - reference to root asset where data will be stored.
void Read(Value &pJSON_Object, Asset &pAsset_Root);
#ifdef ASSIMP_IMPORTER_GLTF_USE_OPEN3DGC
/// \fn void Decode_O3DGC(const SCompression_Open3DGC& pCompression_Open3DGC, Asset& pAsset_Root)
/// Decode part of "buffer" which encoded with Open3DGC algorithm.
/// @brief Decode part of "buffer" which encoded with Open3DGC algorithm.
/// \param [in] pCompression_Open3DGC - reference to structure which describe encoded region.
/// \param [out] pAsset_Root - reference to root assed where data will be stored.
void Decode_O3DGC(const SCompression_Open3DGC &pCompression_Open3DGC, Asset &pAsset_Root);
@ -759,7 +721,7 @@ struct Sampler : public Object {
SamplerWrap wrapS; //!< The texture wrapping in the S direction. (required)
SamplerWrap wrapT; //!< The texture wrapping in the T direction. (required)
Sampler() {}
Sampler() = default;
void Read(Value &obj, Asset &r);
void SetDefaults();
};
@ -767,12 +729,12 @@ struct Sampler : public Object {
struct Scene : public Object {
std::vector<Ref<Node>> nodes;
Scene() {}
Scene() = default;
void Read(Value &obj, Asset &r);
};
struct Shader : public Object {
Shader() {}
Shader() = default;
void Read(Value &obj, Asset &r);
};
@ -782,7 +744,7 @@ struct Skin : public Object {
std::vector<Ref<Node>> jointNames; //!< Joint names of the joints (nodes with a jointName property) in this skin.
std::string name; //!< The user-defined name of this object.
Skin() {}
Skin() = default;
void Read(Value &obj, Asset &r);
};
@ -796,7 +758,7 @@ struct Technique : public Object {
struct Functions {
};
Technique() {}
Technique() = default;
void Read(Value &obj, Asset &r);
};
@ -805,13 +767,7 @@ struct Texture : public Object {
Ref<Sampler> sampler; //!< The ID of the sampler used by this texture. (required)
Ref<Image> source; //!< The ID of the image used by this texture. (required)
//TextureFormat format; //!< The texture's format. (default: TextureFormat_RGBA)
//TextureFormat internalFormat; //!< The texture's internal format. (default: TextureFormat_RGBA)
//TextureTarget target; //!< The target that the WebGL texture should be bound to. (default: TextureTarget_TEXTURE_2D)
//TextureType type; //!< Texel datatype. (default: TextureType_UNSIGNED_BYTE)
Texture() {}
Texture() = default;
void Read(Value &obj, Asset &r);
};
@ -826,7 +782,6 @@ struct Light : public Object {
};
Type type;
vec4 color;
float distance;
float constantAttenuation;
@ -835,9 +790,8 @@ struct Light : public Object {
float falloffAngle;
float falloffExponent;
Light() {}
Light() = default;
void Read(Value &obj, Asset &r);
void SetDefaults();
};
@ -865,15 +819,11 @@ struct Animation : public Object {
Ref<Accessor> translation; //!< Accessor reference to a buffer storing a array of three-component floating-point vectors.
};
// AnimChannel Channels[3]; //!< Connect the output values of the key-frame animation to a specific node in the hierarchy.
// AnimParameters Parameters; //!< The samplers that interpolate between the key-frames.
// AnimSampler Samplers[3]; //!< The parameterized inputs representing the key-frame data.
std::vector<AnimChannel> Channels; //!< Connect the output values of the key-frame animation to a specific node in the hierarchy.
AnimParameters Parameters; //!< The samplers that interpolate between the key-frames.
std::vector<AnimSampler> Samplers; //!< The parameterized inputs representing the key-frame data.
Animation() {}
Animation() = default;
void Read(Value &obj, Asset &r);
};
@ -963,13 +913,11 @@ struct AssetMetadata {
//! Root object for a glTF asset
class Asset {
typedef std::gltf_unordered_map<std::string, int> IdMap;
using IdMap = std::gltf_unordered_map<std::string, int>;
template <class T>
friend class LazyDict;
friend struct Buffer; // To access OpenFile
friend class AssetWriter;
private:
@ -1010,12 +958,9 @@ public:
LazyDict<Material> materials;
LazyDict<Mesh> meshes;
LazyDict<Node> nodes;
//LazyDict<Program> programs;
LazyDict<Sampler> samplers;
LazyDict<Scene> scenes;
//LazyDict<Shader> shaders;
LazyDict<Skin> skins;
//LazyDict<Technique> techniques;
LazyDict<Texture> textures;
LazyDict<Light> lights; // KHR_materials_common ext
@ -1024,16 +969,20 @@ public:
public:
Asset(IOSystem *io = 0) :
mIOSystem(io), asset(), accessors(*this, "accessors"), animations(*this, "animations"), buffers(*this, "buffers"), bufferViews(*this, "bufferViews"), cameras(*this, "cameras"), images(*this, "images"), materials(*this, "materials"), meshes(*this, "meshes"), nodes(*this, "nodes")
//, programs (*this, "programs")
,
mIOSystem(io),
asset(),
accessors(*this, "accessors"),
animations(*this, "animations"),
buffers(*this, "buffers"),
bufferViews(*this, "bufferViews"),
cameras(*this, "cameras"),
images(*this, "images"),
materials(*this, "materials"),
meshes(*this, "meshes"),
nodes(*this, "nodes"),
samplers(*this, "samplers"),
scenes(*this, "scenes")
//, shaders (*this, "shaders")
,
skins(*this, "skins")
//, techniques (*this, "techniques")
,
scenes(*this, "scenes"),
skins(*this, "skins"),
textures(*this, "textures"),
lights(*this, "lights", "KHR_materials_common") {
memset(&extensionsUsed, 0, sizeof(extensionsUsed));