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Parse textures in gltf_parser

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This commit is contained in:
Nikita Lisitsa 2023-01-14 03:35:03 +03:00
parent f3700dc4b8
commit 514f4006ef
2 changed files with 28 additions and 4 deletions
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9
libs/gfx/include/psemek/gfx/gltf_parser.hpp
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@ -34,7 +34,13 @@ namespace psemek::gfx
struct material
{
color_4f albedo;
std::optional<color_4f> albedo;
std::optional<std::size_t> texture;
};
struct texture
{
std::string uri;
};
struct accessor
@ -62,6 +68,7 @@ namespace psemek::gfx
std::vector<node> nodes;
std::vector<mesh> meshes;
std::vector<material> materials;
std::vector<texture> textures;
std::vector<accessor> accessors;
std::vector<buffer_view> buffer_views;
std::vector<buffer> buffers;

23
libs/gfx/source/gltf_parser.cpp
View file

@ -102,9 +102,26 @@ namespace psemek::gfx
{
auto & target = result.materials.emplace_back();
auto const & color = material["pbrMetallicRoughness"]["baseColorFactor"].GetArray();
for (std::size_t i = 0; i < 4; ++i)
target.albedo[i] = color[i].GetFloat();
auto const & pbr = material["pbrMetallicRoughness"];
if (pbr.HasMember("baseColorFactor"))
{
auto const & color = pbr["baseColorFactor"].GetArray();
gfx::color_4f & target_color = target.albedo.emplace();
for (std::size_t i = 0; i < 4; ++i)
target_color[i] = color[i].GetFloat();
}
if (pbr.HasMember("baseColorTexture"))
{
target.texture = document["textures"].GetArray()[pbr["baseColorTexture"]["index"].GetUint64()]["source"].GetInt64();
}
}
for (auto const & image : document["images"].GetArray())
{
auto & target = result.textures.emplace_back();
target.uri = image["uri"].GetString();
}
for (auto const & accessor : document["accessors"].GetArray())