SoftBodyInternal.hpp

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/**************************************************************************
 * EngineSquared v0.1.1
 *
 * EngineSquared is a software package, part of the Engine² organization.
 *
 * This file is part of the EngineSquared project that is under MIT License.
 * Copyright © 2025-present by @EngineSquared, All rights reserved.
 *
 * EngineSquared is a free software: you can redistribute it and/or modify
 * it under the terms of the MIT License. See the project's LICENSE file for
 * the full license text and details.
 *
 * @file SoftBodyInternal.hpp
 * @brief Internal Jolt soft body reference component
 *
 * Stores the Jolt BodyID for soft bodies created by SoftBodySystem.
 * This component is automatically added when a SoftBody is created.
 *
 * @author @EngineSquared
 * @version 0.1.1
 * @date 2025-12-05
 **************************************************************************/
 
#pragma once
 
#include <Jolt/Jolt.h>
#include <Jolt/Physics/Body/BodyID.h>
#include <glm/glm.hpp>
#include <utility>
#include <vector>
 
namespace Physics::Component {

struct SoftBodyInternal {
    JPH::BodyID bodyID;

    std::vector<uint32_t> vertexMap;

    glm::vec3 initialScale = glm::vec3(1.0f);

    SoftBodyInternal() : bodyID(JPH::BodyID()) {}

    explicit SoftBodyInternal(JPH::BodyID id) : bodyID(id) {}

    SoftBodyInternal(JPH::BodyID id, std::vector<uint32_t> map) : bodyID(id), vertexMap(std::move(map)) {}

    SoftBodyInternal(JPH::BodyID id, std::vector<uint32_t> map, const glm::vec3 &scale)
        : bodyID(id), vertexMap(std::move(map)), initialScale(scale)
    {
    }

    [[nodiscard]] bool IsValid() const { return !bodyID.IsInvalid(); }
};
 
} // namespace Physics::Component