GripPose.hpp

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#pragma once
 
#include <array>
#include <cstddef>
#include <glm/glm.hpp>
#include <glm/gtc/quaternion.hpp>
#include <string>

inline constexpr std::size_t kGripPoseBonesPerFinger = 4;

inline constexpr std::size_t kGripPoseFingerCount = 5;

inline constexpr std::size_t kGripPoseJointCount = kGripPoseBonesPerFinger * kGripPoseFingerCount;

struct GripPose
{
    std::array<glm::vec2, kGripPoseJointCount> jointAngles{};

    [[nodiscard]] static constexpr std::size_t index(std::size_t finger, std::size_t joint) noexcept
    {
        return finger * kGripPoseBonesPerFinger + joint;
    }
};

struct WeaponGripPose
{
    GripPose rightHand;
    GripPose leftHand;
    bool rightHandValid = false;
    bool leftHandValid = false;
};

bool loadWeaponGripPose(const std::string& path, WeaponGripPose& out);

bool saveWeaponGripPoseToml(const std::string& path,
                            const WeaponGripPose& pose,
                            bool rightHandValid,
                            bool leftHandValid);