morph_mesh.h

#pragma once
 
#include "pixelbullet/assets/static_mesh.h"
#include "pixelbullet/filesystem/virtual_path.h"
 
#include <glm/glm.hpp>
 
#include <cstdint>
#include <vector>
 
namespace pixelbullet
{
class Filesystem;
 
class MorphMesh
{
public:
    using Vertex = StaticMesh::Vertex;
    using Bounds = StaticMesh::Bounds;
 
    struct Target
    {
        std::vector<glm::vec3> position_deltas;
        std::vector<glm::vec3> normal_deltas;
    };
 
    MorphMesh() = default;
    MorphMesh(const Filesystem& filesystem, const VirtualPath& asset_path)
    {
        Load(filesystem, asset_path);
    }
 
    bool Load(const Filesystem& filesystem, const VirtualPath& asset_path);
 
    explicit operator bool() const noexcept
    {
        return !vertices_.empty() && !indices_.empty() && !targets_.empty();
    }
 
    const VirtualPath& GetFilename() const
    {
        return filename_;
    }
    const std::vector<Vertex>& GetVertices() const
    {
        return vertices_;
    }
    const std::vector<uint32_t>& GetIndices() const
    {
        return indices_;
    }
    const std::vector<Target>& GetTargets() const
    {
        return targets_;
    }
    const Bounds& GetBounds() const
    {
        return bounds_;
    }
 
private:
    void Clear();
 
private:
    VirtualPath filename_;
    std::vector<Vertex> vertices_;
    std::vector<uint32_t> indices_;
    std::vector<Target> targets_;
    Bounds bounds_{};
};
} // namespace pixelbullet