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Add glTF animation support

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This commit is contained in:
Lars Mueller
2024-01-06 20:21:04 +01:00
committed by Lars Müller
parent d8274af670
commit 323fc0a798
9 changed files with 421 additions and 79 deletions
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38
irr/src/CGLTFMeshFileLoader.h
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@@ -10,9 +10,11 @@
#include "path.h"
#include "S3DVertex.h"
#include <tiniergltf.hpp>
#include "tiniergltf.hpp"
#include <functional>
#include <cstddef>
#include <tuple>
#include <vector>
namespace irr
@@ -26,9 +28,9 @@ class CGLTFMeshFileLoader : public IMeshLoader
public:
CGLTFMeshFileLoader() noexcept {};
bool isALoadableFileExtension(const io::path& filename) const override;
bool isALoadableFileExtension(const io::path &filename) const override;
IAnimatedMesh* createMesh(io::IReadFile* file) override;
IAnimatedMesh *createMesh(io::IReadFile *file) override;
private:
template <typename T>
@@ -94,7 +96,8 @@ private:
const NormalizedValuesAccessor<N> &accessor,
const std::size_t i);
class MeshExtractor {
class MeshExtractor
{
public:
MeshExtractor(tiniergltf::GlTF &&model,
CSkinnedMesh *mesh) noexcept
@@ -114,12 +117,15 @@ private:
std::size_t getPrimitiveCount(const std::size_t meshIdx) const;
void loadNodes() const;
void load();
private:
const tiniergltf::GlTF m_gltf_model;
CSkinnedMesh *m_irr_model;
std::vector<std::function<void()>> m_mesh_loaders;
std::vector<CSkinnedMesh::SJoint *> m_loaded_nodes;
void copyPositions(const std::size_t accessorIdx,
std::vector<video::S3DVertex>& vertices) const;
@@ -129,16 +135,24 @@ private:
void copyTCoords(const std::size_t accessorIdx,
std::vector<video::S3DVertex>& vertices) const;
void loadMesh(
std::size_t meshIdx,
ISkinnedMesh::SJoint *parentJoint) const;
void addPrimitive(const tiniergltf::MeshPrimitive &primitive,
const std::optional<std::size_t> skinIdx,
CSkinnedMesh::SJoint *parent);
void loadNode(
const std::size_t nodeIdx,
ISkinnedMesh::SJoint *parentJoint) const;
void deferAddMesh(const std::size_t meshIdx,
const std::optional<std::size_t> skinIdx,
CSkinnedMesh::SJoint *parentJoint);
void loadNode(const std::size_t nodeIdx, CSkinnedMesh::SJoint *parentJoint);
void loadNodes();
void loadSkins();
void loadAnimation(const std::size_t animIdx);
};
std::optional<tiniergltf::GlTF> tryParseGLTF(io::IReadFile* file);
std::optional<tiniergltf::GlTF> tryParseGLTF(io::IReadFile *file);
};
} // namespace scene