Projectile.h

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#pragma once
 
#include "RE/B/BGSProjectile.h"
#include "RE/B/BSAtomic.h"
#include "RE/B/BSPointerHandle.h"
#include "RE/B/BSResourceHandle.h"
#include "RE/B/BSSoundHandle.h"
#include "RE/B/BSTList.h"
#include "RE/B/BSTSingleton.h"
#include "RE/C/CollisionLayers.h"
#include "RE/F/FormTypes.h"
#include "RE/I/ImpactResults.h"
#include "RE/N/NiSmartPointer.h"
#include "RE/N/NiTransform.h"
#include "RE/T/TESObjectREFR.h"
 
namespace RE
{
    class Actor;
    class bhkCollisionObject;
    class bhkShape;
    class bhkSimpleShapePhantom;
    class BGSMaterialType;
    class BSLight;
    class CombatController;
    class MagicItem;
    class QueuedFile;
 
    class Projectile : public TESObjectREFR
    {
    public:
        inline static constexpr auto RTTI = RTTI_Projectile;
        inline static constexpr auto VTABLE = VTABLE_Projectile;
 
        struct WobbleControl
        {
        public:
            // members
            NiMatrix3        unk00;   // 00
            ProjectileHandle handle;  // 24
            float            wobble;  // 28
        };
        static_assert(sizeof(WobbleControl) == 0x2C);
 
        class Manager : public BSTSingletonSDM<Manager>
        {
        public:
            static Manager* GetSingleton();
 
            // members
            BSTArray<ProjectileHandle> unlimited;       // 08
            BSTArray<ProjectileHandle> limited;         // 20
            BSTArray<ProjectileHandle> pending;         // 38
            mutable BSSpinLock         projectileLock;  // 50
            BSTArray<WobbleControl>    wobble;          // 58
        };
 
        struct ProjectileRot
        {
        public:
            // members
            float x;
            float z;
        };
        static_assert(sizeof(ProjectileRot) == 0x08);
 
        struct LaunchData
        {
        public:
            inline static constexpr auto RTTI = RTTI_Projectile__LaunchData;
            inline static constexpr auto VTABLE = VTABLE_Projectile__LaunchData;
 
            virtual ~LaunchData() = default;
 
            LaunchData() = default;
            LaunchData(BGSProjectile* a_bproj, Actor* a_shooter, const NiPoint3& a_origin, const ProjectileRot& a_angles);
            LaunchData(Actor* a_shooter, const NiPoint3& a_origin, const ProjectileRot& a_angles, MagicItem* a_spell);
            LaunchData(Actor* a_shooter, const NiPoint3& a_origin, const ProjectileRot& a_angles, TESAmmo* a_ammo, TESObjectWEAP* a_weap);
 
            // members
            NiPoint3                   origin;                 // 08
            NiPoint3                   contactNormal;          // 14
            BGSProjectile*             projectileBase;         // 20
            TESObjectREFR*             shooter;                // 28
            CombatController*          combatController;       // 30
            TESObjectWEAP*             weaponSource;           // 38
            TESAmmo*                   ammoSource;             // 40
            float                      angleZ;                 // 48
            float                      angleX;                 // 4C
            void*                      unk50;                  // 50 - maps to Projectile unk110
            TESObjectREFR*             desiredTarget;          // 58
            float                      unk60;                  // 60 - maps to Projectile unk1A8
            float                      unk64;                  // 64 - maps to Projectile unk1AC
            TESObjectCELL*             parentCell;             // 68
            MagicItem*                 spell;                  // 70
            MagicSystem::CastingSource castingSource;          // 78
            std::uint32_t              pad7C;                  // 7C
            EnchantmentItem*           enchantItem;            // 80
            AlchemyItem*               poison;                 // 88
            std::int32_t               area;                   // 90
            float                      power;                  // 94
            float                      scale;                  // 98
            bool                       alwaysHit;              // 9C
            bool                       noDamageOutsideCombat;  // 9D
            bool                       autoAim;                // 9E
            bool                       chainShatter;           // 9F
            bool                       useOrigin;              // A0
            bool                       deferInitialization;    // A1
            bool                       forceConeOfFire;        // A2
        };
        static_assert(sizeof(LaunchData) == 0xA8);
 
        struct ImpactData
        {
        public:
            // members
            NiPoint3                              desiredTargetLoc;    // 00
            NiPoint3                              negativeVelocity;    // 0C
            ObjectRefHandle                       collidee;            // 18
            NiPointer<bhkCollisionObject>         colObj;              // 20
            BGSMaterialType*                      material;            // 28
            std::int32_t                          damageRootNodeType;  // 30
            REX::EnumSet<COL_LAYER, std::int32_t> collidedLayer;       // 34
            NiNode*                               damageRootNode;      // 38
            ImpactResult                          impactResult;        // 40
            std::uint16_t                         unk44;               // 44
            std::uint16_t                         unk46;               // 46
            std::uint8_t                          unk48;               // 48
            std::uint8_t                          unk49;               // 49
        };
        static_assert(sizeof(ImpactData) == 0x50);
 
        enum class Flags
        {
            kNone = 0,
            kUnk0 = 1 << 0,
            kNotAddThreat = 1 << 1,
            kUnk2 = 1 << 2,
            kUnk3 = 1 << 3,
            kIsTracer = 1 << 4,
            kFading = 1 << 5,
            kGravityUpdateModel = 1 << 6,
            kUnk7 = 1 << 7,
            kInited = 1 << 8,
            kChainShatter = 1 << 9,
            kUnk10 = 1 << 10,
            kUnk11 = 1 << 11,
            kAlwaysHit = 1 << 12,
            kHitScan = 1 << 13,
            kUnk14 = 1 << 14,
            kDestroyAfterHit = 1 << 15,
            kAddedToManager = 1 << 16,
            kNoDamageOutsideCombat = 1 << 17,
            kCanStartTrails = 1 << 18,
            kAggressiveActor = 1 << 19,
            kAddedVisualEffectOnGround = 1 << 20,
            kAutoAim = 1 << 21,
            kProcessedImpacts = 1 << 22,
            kUnk23 = 1 << 23,
            kUnk24 = 1 << 24,
            kDestroyed = 1 << 25,
            kUnk26 = 1 << 26,
            kUnk27 = 1 << 27,
            kIsDual = 1 << 28,
            kUseOrigin = 1 << 29,
            kUnk30 = 1 << 30,
            kMoved = 1 << 31
        };
 
        ~Projectile() override;  // 00
 
        // override (TESObjectREFR)
        bool         Load(TESFile* a_mod) override;                                         // 06 - { return TESObjectREFR::Load(a_mod); }
        void         SaveGame(BGSSaveFormBuffer* a_buf) override;                           // 0E
        void         LoadGame(BGSLoadFormBuffer* a_buf) override;                           // 0F
        void         InitLoadGame(BGSLoadFormBuffer* a_buf) override;                       // 10
        void         FinishLoadGame(BGSLoadFormBuffer* a_buf) override;                     // 11
        void         Revert(BGSLoadFormBuffer* a_buf) override;                             // 12
        bool         GetAllowPromoteToPersistent() const override;                          // 47 - { return false; }
        bool         HasKeywordHelper(const BGSKeyword* a_keyword) const override;          // 48
        void         SetActorCause(ActorCause* a_cause) override;                           // 50 - { actorCause = a_cause; }
        ActorCause*  GetActorCause() const override;                                        // 51 - { return actorCause; }
        MagicCaster* GetMagicCaster(MagicSystem::CastingSource a_source) override;          // 5C
        bool         DetachHavok(NiAVObject* a_obj3D) override;                             // 65
        void         InitHavok() override;                                                  // 66
        NiAVObject*  Load3D(bool a_backgroundLoading) override;                             // 6A
        void         Set3D(NiAVObject* a_object, bool a_queue3DTasks = true) override;      // 6C
        void         MoveHavok(bool a_forceRec) override;                                   // 85 - { return; }
        void         GetLinearVelocity(NiPoint3& a_velocity) const override;                // 86
        NiNode*      GetFireNode() override;                                                // 8B
        Projectile*  AsProjectile() override;                                               // 8F - { return this; }
        bool         OnAddCellPerformQueueReference(TESObjectCELL& a_cell) const override;  // 90 - { return false; }
 
        // add
        virtual bool          IsMissileProjectile();                                                                                                                                             // A2 - { return 0; }
        virtual bool          IsGrenadeProjectile();                                                                                                                                             // A3 - { return 0; }
        virtual bool          IsFlameProjectile();                                                                                                                                               // A4 - { return 0; }
        virtual bool          IsBeamProjectile();                                                                                                                                                // A5 - { return 0; }
        virtual void          Unk_A6(void);                                                                                                                                                      // A6 - { return 0; }
        virtual bool          IsBarrierProjectile();                                                                                                                                             // A7 - { return 0; }
        virtual void          OnKill();                                                                                                                                                          // A8 - { return; }
        virtual void          Process3D();                                                                                                                                                       // A9 - { return; }
        virtual void          PostLoad3D(NiAVObject* a_root);                                                                                                                                    // AA
        virtual void          UpdateImpl(float a_delta) = 0;                                                                                                                                     // AB
        virtual bool          ProcessImpacts();                                                                                                                                                  // AC
        virtual void          Update3D();                                                                                                                                                        // AD
        virtual void          Unk_AE(void);                                                                                                                                                      // AE - { return 0; }
        virtual float         GetPowerSpeedMult() const;                                                                                                                                         // AF - { if (unk158) return 1.0; else return unk188; } - "float GetSpeed()"?
        virtual float         GetWeaponSpeedMult() const;                                                                                                                                        // B0 - { return 1.0; }
        virtual bool          GetStopMainSoundAfterImpact();                                                                                                                                     // B1 - { return 0; }
        virtual void          ReportHavokDeactivation();                                                                                                                                         // B2 - { return; }
        virtual bool          TurnOff(Actor* a_owner, bool a_noDeactivateSound);                                                                                                                 // B3
        virtual bool          IsPermanent() const;                                                                                                                                               // B4 - { return TESDataHandler::GetSingleton()->IsGeneratedFormID(formID) == 0; }
        virtual float         GetGravity();                                                                                                                                                      // B5 - { void* var = unk40; if ((var->unk80 >> 17) & 1) return 1.0; else return var->unk84; }
        virtual void          CleanUpPointersOnDisable();                                                                                                                                        // B6
        virtual bool          RunTargetPick();                                                                                                                                                   // B7
        virtual bool          GetKillOnCollision();                                                                                                                                              // B8 - { return 1; }
        virtual bool          ShouldBeLimited();                                                                                                                                                 // B9 - { return 0; }
        virtual bool          TargetsWholeBody();                                                                                                                                                // BA - { return 0; }
        virtual std::uint32_t GetCollisionGroup();                                                                                                                                               // BB
        virtual bhkShape*     GetCollisionShape();                                                                                                                                               // BC
        virtual void          AddImpact(TESObjectREFR* a_ref, const NiPoint3& a_targetLoc, const NiPoint3& a_velocity, hkpCollidable* a_collidable, std::int32_t a_arg6, std::uint32_t a_arg7);  // BD
        virtual bool          HandleHits(hkpCollidable* a_collidable);                                                                                                                           // BE
        virtual void          OnTriggerEnter();                                                                                                                                                  // BF - { return; }
        virtual void          Handle3DLoaded();                                                                                                                                                  // C0 - { return; }
        virtual bool          ShouldUseDesiredTarget();                                                                                                                                          // C1 - { return 0; }
 
        BGSProjectile* GetProjectileBase() const;
        float          GetHeight() const;
        float          GetSpeed() const;
 
        static ProjectileHandle* Launch(ProjectileHandle* a_result, LaunchData& a_data) noexcept;
        static ProjectileHandle* LaunchSpell(ProjectileHandle* a_result, Actor* a_shooter, SpellItem* a_spell, const NiPoint3& a_origin, const ProjectileRot& a_angles) noexcept;
        static ProjectileHandle* LaunchSpell(ProjectileHandle* a_result, Actor* a_shooter, SpellItem* a_spell, MagicSystem::CastingSource a_source) noexcept;
        static ProjectileHandle* LaunchArrow(ProjectileHandle* a_result, Actor* a_shooter, TESAmmo* a_ammo, TESObjectWEAP* a_weap, const NiPoint3& a_origin, const ProjectileRot& a_angles) noexcept;
        static ProjectileHandle* LaunchArrow(ProjectileHandle* a_result, Actor* a_shooter, TESAmmo* a_ammo, TESObjectWEAP* a_weap) noexcept;
 
        // members
        BSSimpleList<ImpactData*>          impacts;              // 098
        NiTransform                        unk0A8;               // 0A8
        float                              unk0DC;               // 0DC
        bhkSimpleShapePhantom*             unk0E0;               // 0E0 - smart ptr
        mutable BSSpinLock                 unk0E8;               // 0E8
        NiPoint3                           velocity;             // 0F0
        NiPoint3                           linearVelocity;       // 0FC
        NiPointer<BSLight>                 light;                // 108 - smart ptr
        void*                              unk110;               // 110 - smart ptr
        NiPointer<ActorCause>              actorCause;           // 118
        ObjectRefHandle                    shooter;              // 120
        ObjectRefHandle                    desiredTarget;        // 124
        BSSoundHandle                      sndHandle;            // 128
        BSSoundHandle                      sndCountdown;         // 134
        std::uint32_t*                     unk140;               // 140
        InventoryEntryData*                unk148;               // 148
        BGSExplosion*                      explosion;            // 150
        MagicItem*                         spell;                // 158
        MagicSystem::CastingSource         castingSource;        // 160
        std::uint32_t                      pad164;               // 164
        EffectSetting*                     avEffect;             // 168
        NiPointer<QueuedFile>              projectileDBFiles;    // 170
        ModelDBHandle                      muzzleFlashDBHandle;  // 178
        std::uint64_t                      unk180;               // 180
        float                              power;                // 188
        float                              speedMult;            // 18C
        float                              range;                // 190
        float                              livingTime;           // 194
        float                              weaponDamage;         // 198
        float                              transparency;         // 19C - for beam disappearing
        float                              explosionTimer;       // 1A0
        std::uint32_t                      unk1A4;               // 1A4
        float                              unk1A8;               // 1A8 - 0.0f
        float                              unk1AC;               // 1AC - 0.0f
        TESObjectWEAP*                     weaponSource;         // 1B0
        TESAmmo*                           ammoSource;           // 1B8
        float                              distanceMoved;        // 1C0
        std::uint32_t                      pad_1C4;              // 1C4
        float                              scale;                // 1C8 - for double cast model scale
        REX::EnumSet<Flags, std::uint32_t> flags;                // 1CC
        bool                               unk1D0;               // 1D0
        bool                               unk1D1;               // 1D0
        char                               unk1D2[6];            // 1D2
    };
#ifndef SKYRIM_SUPPORT_AE
    static_assert(sizeof(Projectile) == 0x1D8);
#else
    static_assert(sizeof(Projectile) == 0x1E0);
#endif
}