371 lines
12 KiB
C
371 lines
12 KiB
C
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#ifndef BULLET_H
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#define BULLET_H
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// Rage headers
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#include "physics/intersection.h"
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// Game headers
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#include "physics/WorldProbe/worldprobe.h"
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#include "Scene/RegdRefTypes.h"
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#include "Weapons/Info/WeaponInfo.h"
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// Forward declarations
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namespace rage { class phPolygon; }
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////////////////////////////////////////////////////////////////////////////////
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class CBullet
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{
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public:
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FW_REGISTER_CLASS_POOL(CBullet);
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friend class CBulletManager;
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// Statics
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static const s32 MAX_STORAGE = 60;
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static const s32 MAX_BULLETS_IN_BATCH = 16;
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static const s32 MAX_BULLETS_COLLISION_PAIRS = 10;
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#if __BANK
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static bool ms_CollideWithMoverCollision;
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#endif // __BANK
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CBullet();
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CBullet(CEntity* pFiringEntity, const CWeaponInfo* pWeaponInfo, const Vector3& vStart, const Vector3& vEnd, const f32 fVelocity, const f32 fLifeTime, const f32 fDamage, u32 uWeaponHash, bool bCreatesTrace, bool bAllowDamageToVehicle, bool bAllowDamageToVehicleOccupants, const Vector3& vMuzzlePosition, const Vector3& vMuzzleDirection, bool bIsAccurate, bool bPerformPenetration, bool bPerformBulletProofGlassPenetration, float fRecoilAccuracyWhenFired, bool bSilenced, float fFallOffRangeModifer, float fFallOffDamageModifer, bool bIsBentBulletFromAimAssist, CWeapon* pWeaponOwner = NULL);
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~CBullet();
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// Cloud tunables
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static void InitTunables();
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// PURPOSE: Initialise class
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static void Init();
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// PURPOSE: Shutdown class
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static void Shutdown();
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// PURPOSE: Simulates the bullet
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// RETURNS: true - carry on processing, false - delete from manager
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bool Process();
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// PURPOSE: Add an extra probe to this bullet - simulates shotguns
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bool Add(const Vector3& vStart, const Vector3& vEnd, const f32 fVelocity, u32 uWeaponHash, bool bCreatesTrace, bool bIsAccurate);
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// PURPOSE: Return if there is a bullet fired in an angled area
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bool ComputeIsBulletInAngledArea(Vector3& vPos1, Vector3& vPos2, float areaWidth, const CEntity* pFiringEntity);
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// PURPOSE: Return if there is a bullet fired in the specified sphere
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bool ComputeIsBulletInSphere(const Vector3& vPosition, f32 fRadius, const CEntity* pFiringEntity = NULL) const;
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// PURPOSE: Return if there is a bullet fired in the specified box
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bool ComputeIsBulletInBox(const Vector3& vMin, const Vector3& vMax, const CEntity* pFiringEntity = NULL) const;
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#if __BANK
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// PURPOSE: Debug
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void RenderDebug() const;
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#endif // __BANK
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private:
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//
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// Internal structures
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//
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// PURPOSE: Individual bullet data
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struct sBulletInstance
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{
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FW_REGISTER_CLASS_POOL(sBulletInstance);
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// Statics
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static const s32 MAX_STORAGE = 128;
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sBulletInstance(const CWeaponInfo* pWeaponInfo, const Vector3& vStart, const Vector3& vEnd, const f32 fVelocity, u32 uWeaponHash, bool bCreatesTrace, bool bIsAccurate);
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// PURPOSE: Current bullet position
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Vector3 vPosition;
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// PURPOSE: Last bullet position
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Vector3 vOldPosition;
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// PURPOSE: Bullet velocity
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Vector3 vVelocity;
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// PURPOSE: Current penetration
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f32 fPenetration;
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// PURPOSE: The hash of the weapon that created the bullet
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u32 uWeaponHash;
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// PURPOSE: Should be removed
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bool bToBeRemoved : 1;
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// PURPOSE: Should this bullet create trace vfx
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bool bCreatesTrace : 1;
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// PURPOSE: Allow head shots/engine fire
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bool bIsAccurate : 1;
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#if __BANK
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// PURPOSE: Used to keep track of bullets
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u32 uGenerationId;
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// PURPOSE: Used to allocate new generation id
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static u32 s_uNewGenerationId;
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#endif // __BANK
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};
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// PURPOSE: Individual bullet impacts
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struct sBulletImpacts
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{
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// Statics
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static const s32 MAX_IMPACTS = 8;
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sBulletImpacts() : entryImpacts(entryImpactResults, MAX_IMPACTS), exitImpacts(exitImpactResults, MAX_IMPACTS) {}
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typedef WorldProbe::CShapeTestResults Impacts;
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WorldProbe::CShapeTestHitPoint entryImpactResults[MAX_IMPACTS];
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WorldProbe::CShapeTestHitPoint exitImpactResults[MAX_IMPACTS];
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Impacts entryImpacts;
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Impacts exitImpacts;
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};
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// PURPOSE: Batch impacts
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struct sBatchImpacts
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{
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sBatchImpacts() : batch(MAX_BULLETS_IN_BATCH) {}
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typedef atFixedArray<sBulletImpacts, MAX_BULLETS_IN_BATCH> BatchImpacts;
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BatchImpacts batch;
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};
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struct BulletCollisionPair
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{
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BulletCollisionPair()
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:m_pEntity(NULL),
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m_pEntry(NULL),
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m_pExit(NULL),
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m_bAesthetic(false)
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{
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// Nothing for now
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}
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CEntity* m_pEntity;
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WorldProbe::CShapeTestHitPoint* m_pEntry;
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WorldProbe::CShapeTestHitPoint* m_pExit;
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bool m_bAesthetic;
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};
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//
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// Internal functions
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//
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// PURPOSE: Update the position based on velocity
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void UpdatePositions();
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// PURPOSE: Detect if we've hit anything along our path
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bool ComputeImpacts(sBatchImpacts& impacts) const;
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// PURPOSE: Detect if we've hit a cloth
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void ComputeClothImpacts(const Vector3& vOldPosition, const Vector3& vPosition) const;
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// PURPOSE: Detect if we've hit a rope
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void ComputeRopeImpacts(const Vector3& vOldPosition, const Vector3& vPosition) const;
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// PURPOSE: Analyzes the impact to determine if the hit is aesthetic
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bool IsImpactAesthetic( CEntity* pImpactEntity, const WorldProbe::CShapeTestHitPoint* pImpactHitPoint );
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// PURPOSE: Analyzes the impact to determine if the hit is a headshot
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bool IsImpactHeadShot( CEntity* pImpactEntity, const WorldProbe::CShapeTestHitPoint* pImpactHitPoint );
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// PURPOSE: Detect if we've hit vehicle tyres - as they are not picked up by the physics ray cast, sort the intersection list etc.
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void PreprocessImpacts(sBulletImpacts::Impacts& impacts, WorldProbe::CShapeTestResults::SortFunctionCB sortFn) const;
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// PURPOSE: Apply damage to detected impacts
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void ProcessImpacts(sBatchImpacts& impacts);
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// PURPOSE: Process any vfx on each bullet
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void ProcessVfx();
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// PURPOSE: Detect if we have hit ocean water
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bool ProcessHitsOceanWater(u32 index);
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// PURPOSE: Detect if we have hit an air defence sphere.
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bool ProcessHitsAirDefenceZone(u32 index);
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// PURPOSE: Determine if a bullet passes through
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f32 ComputePassesThrough(const WorldProbe::CShapeTestHitPoint* entryHitPoint, const WorldProbe::CShapeTestHitPoint* exitHitPoint, f32& fInOutPenetration) const;
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// PURPOSE: Send whizzed by events to the ped event group.
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void GenerateWhizzedByEvents() const;
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void GenerateWhizzedByEventAtEndPosition(const Vector3& vPosition) const;
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// PURPOSE: Sorting the intersections by t-value
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static s32 CompareEntryIntersections(const WorldProbe::CShapeTestHitPoint* a, const WorldProbe::CShapeTestHitPoint* b);
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// PURPOSE: Sorting the intersections by t-value
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static s32 CompareExitIntersections(const WorldProbe::CShapeTestHitPoint* a, const WorldProbe::CShapeTestHitPoint* b);
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//
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// Members
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//
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// PURPOSE: Origin of bullet - used by damage calculations
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Vector3 m_vOriginPosition;
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// PURPOSE: Position of weapon muzzle position - used for vfx
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Vector3 m_vMuzzlePosition;
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// PURPOSE: Direction of weapon muzzle - used to decide if vfx is allowed
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Vector3 m_vMuzzleDirection;
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// PURPOSE: Firer of the bullet
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RegdEnt m_pFiringEntity;
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// PURPOSE: Weapon type
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RegdConstWeaponInfo m_pWeaponInfo;
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// PURPOSE: Life time of bullet
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f32 m_fLifeTime;
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// PURPOSE: Damage of bullet
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f32 m_fDamage;
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// PURPOSE: Bullet instances associated with this bullet
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typedef atFixedArray<sBulletInstance*, MAX_BULLETS_IN_BATCH> Batch;
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Batch m_Batch;
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// PURPOSE: Bullet entry and exit points
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typedef atFixedArray<BulletCollisionPair, MAX_BULLETS_COLLISION_PAIRS> BulletCollisionPairs;
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BulletCollisionPairs m_BulletCollisionPairs;
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// PURPOSE: Store the original recoil accuracy
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float m_fRecoilAccuracyWhenFired;
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//
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float m_fFallOffRangeModifier;
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float m_fFallOffDamageModifier;
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// PURPOSE: Should check vehicle tyres for impacts
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bool m_bCheckVehicleTyres : 1;
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// PURPOSE: Allow bullets to damage vehicle ped is in
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bool m_bAllowDamageToVehicle : 1;
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// PURPOSE: Allow bullets to damage to vehicle occupants of peds vehicle
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bool m_bAllowDamageToVehicleOccupants : 1;
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// PURPOSE: Whether or not we perform shoot through detection
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bool m_bPerformPenetration : 1;
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// PURPOSE: Whether or not we perform shoot through detection for bullet proof glass.
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bool m_bPerformBulletProofGlassPenetration : 1;
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//
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bool m_bSilenced : 1;
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bool m_bCheckForAirDefenceZone : 1;
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bool m_bIsBentBulletFromAimAssist : 1;
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// Cloud tunables
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static bool sm_bSpecialAmmoFMJVehicleGlassAlwaysPenetrate;
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#if __DEV
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// PURPOSE: Source weapon
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RegdWeapon m_WeaponOwner;
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#endif // __DEV
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#if !__FINAL
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static u32 m_uRejectionReason;
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#endif //__FINAL
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};
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////////////////////////////////////////////////////////////////////////////////
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class CBulletManager
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{
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public:
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// Temp: Batch tests are broken so only do this for multiple shot weapons
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static bool ms_bUseBatchTestsForSingleShotWeapons;
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static bool ms_bUseUndirectedBatchTests;
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// PURPOSE: Init
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static void Init();
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// PURPOSE: Shutdown
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static void Shutdown();
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// PURPOSE: Add
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static bool Add(CBullet* pBullet);
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// PURPOSE: Update
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static void Process();
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// PURPOSE: Record bullet impact for script querying
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static void AddBulletImpact(WorldProbe::CShapeTestHitPoint& impact, CEntity* pFiringEntity, bool bIsEntryImpact);
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// PURPOSE: Reset bullets
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static void ResetBullets();
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// PURPOSE: Reset recorded bullet impacts
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static void ResetBulletImpacts();
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// PURPOSE: Return if there is a bullet fired in the angled area
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static bool ComputeIsBulletInAngledArea(Vector3& vPos1, Vector3& vPos2, float areaWidth, const CEntity* pFiringEntity);
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// PURPOSE: Return if there is a bullet fired in the specified sphere
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static bool ComputeIsBulletInSphere(const Vector3& vPosition, f32 fRadius, const CEntity* pFiringEntity = NULL);
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// PURPOSE: Return if there is a bullet fired in the specified box
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static bool ComputeIsBulletInBox(const Vector3& vMin, const Vector3& vMax, const CEntity* pFiringEntity = NULL);
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// PURPOSE: Return if there is a bullet impact in the specified sphere
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static bool ComputeHasBulletImpactedInSphere(const Vector3& vPosition, f32 fRadius, const CEntity* pFiringEntity = NULL, bool bEntryOnly = true);
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// PURPOSE: Return if there is a bullet impact in the specified box
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static bool ComputeHasBulletImpactedInBox(const Vector3& vMin, const Vector3& vMax, const CEntity* pFiringEntity = NULL, bool bEntryOnly = true);
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// PURPOSE: Return if there is a bullet impact behind the specified plane
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static bool ComputeHasBulletImpactedBehindPlane( const Vector3& vPlanePoint, const Vector3& vPlaneNormal, bool bEntryOnly = true );
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// PURPOSE: Return the number of bullet impacts in the specified sphere
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static s32 ComputeNumBulletsImpactedInSphere(const Vector3& vPosition, f32 fRadius, const CEntity* pFiringEntity = NULL, bool bEntryOnly = true);
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// PURPOSE: Return the number of bullet impacts in the specified box
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static s32 ComputeNumBulletsImpactedInBox(const Vector3& vMin, const Vector3& vMax, const CEntity* pFiringEntity = NULL, bool bEntryOnly = true);
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#if __BANK
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// PURPOSE: Debug
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static void RenderDebug();
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#endif // __BANK
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private:
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// PURPOSE: Bullet storage
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typedef atFixedArray<CBullet*, CBullet::MAX_STORAGE> Bullets;
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static Bullets ms_Bullets;
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static const s32 MAX_IMPACTS_PER_FRAME = 256;
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typedef atFixedArray<Vector3, MAX_IMPACTS_PER_FRAME> BulletImpacts;
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typedef atFixedArray<CEntity*, MAX_IMPACTS_PER_FRAME> BulletEntities;
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static BulletImpacts ms_EntryImpacts, ms_ExitImpacts;
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static BulletEntities ms_EntryEntities, ms_ExitEntities;
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};
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////////////////////////////////////////////////////////////////////////////////
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inline s32 CBullet::CompareEntryIntersections(const WorldProbe::CShapeTestHitPoint* a, const WorldProbe::CShapeTestHitPoint* b)
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{
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return a->GetHitTValue() < b->GetHitTValue() ? -1 : 1;
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}
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////////////////////////////////////////////////////////////////////////////////
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inline s32 CBullet::CompareExitIntersections(const WorldProbe::CShapeTestHitPoint* a, const WorldProbe::CShapeTestHitPoint* b)
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{
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return a->GetHitTValue() > b->GetHitTValue() ? -1 : 1;
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}
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////////////////////////////////////////////////////////////////////////////////
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#endif // BULLET_H
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