AnimationFileManagerSingleton.h

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#pragma once
 
#include "RE/B/BSAtomic.h"
#include "RE/B/BSTArray.h"
#include "RE/B/BSTSingleton.h"
#include "RE/H/hkbContext.h"
#include "RE/I/IAnimationClipLoaderSingleton.h"
 
namespace RE
{
    class hkbClipGenerator;
 
    class AnimationFileManagerSingleton :
        public IAnimationClipLoaderSingleton,
        public BSTSingletonSDM<AnimationFileManagerSingleton>
    {
    public:
        inline static auto RTTI = RTTI_AnimationFileManagerSingleton;
        inline static auto VTABLE = VTABLE_AnimationFileManagerSingleton;
 
        struct AnimationFileInfo
        {
            uint32_t crc32Filename;  // 00 - BSCRC32 of lowercase filename without extension
            char     extension[4];   // 04 - plaintext extension without dot (e.g. "hkx")
            uint32_t crc32Path;      // 08 - BSCRC32 of lowercase path to the containing directory, starting with "meshes"
        };
        static_assert(sizeof(AnimationFileInfo) == 0xC);
 
        struct QueuedAnimation
        {
            uint32_t          unk00;     // 00
            AnimationFileInfo fileInfo;  // 04
        };
        static_assert(sizeof(QueuedAnimation) == 0x10);
 
        struct LoadedAnimation
        {
            void*             unk00;     // 00
            AnimationFileInfo fileInfo;  // 08
            uint16_t          counter;   // 14
        };
        static_assert(sizeof(LoadedAnimation) == 0x18);
 
        virtual ~AnimationFileManagerSingleton() override;  // 00
 
        // override (IAnimationClipLoaderSingleton)
        virtual std::int32_t Queue(const hkbContext& a_hkbContext, hkbClipGenerator* a_clipGenerator, BSSynchronizedClipGenerator* a_synchronizedClipGenerator);   // 01 - called in hkbClipGenerator::Activate, possibly loads animation (queues it?)
        virtual bool         Load(const hkbContext& a_hkbContext, hkbClipGenerator* a_clipGenerator, BSSynchronizedClipGenerator* a_synchronizedClipGenerator);    // 02 - called in hkbClipGenerator::Update, possibly loads animation
        virtual std::int32_t Unload(const hkbContext& a_hkbContext, hkbClipGenerator* a_clipGenerator, BSSynchronizedClipGenerator* a_synchronizedClipGenerator);  // 03 - called in hkbClipGenerator::Deactivate, possibly unloads animation
        virtual void         Unk_04(const hkbContext& a_context, std::int16_t a_animationBindingIndex);                                                            // 04
        virtual void         Unk_05(const hkbContext& a_context, std::int16_t a_animationBindingIndex);                                                            // 05
 
        [[nodiscard]] static AnimationFileManagerSingleton* GetSingleton()
        {
            static REL::Relocation<AnimationFileManagerSingleton**> singleton{ RELOCATION_ID(520994, 407512) };
            return *singleton;
        }
 
        // members
        BSSpinLock                lockA;             // 0C
        BSSpinLock                lockB;             // 14
        LoadedAnimation           currentAnimation;  // 20
        BSTArray<QueuedAnimation> queuedAnimations;  // 38
        BSTArray<LoadedAnimation> loadedAnimations;  // 50
        BSTArray<void*>           unk68;             // 68
        uint64_t                  unk80;             // 80
        BSTArray<void*>           unk88;             // 88
    };
    static_assert(sizeof(AnimationFileManagerSingleton) == 0xA0);
}