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CPhysical

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This commit is contained in:
aap
2020-05-22 14:27:16 +02:00
parent 380f7bc417
commit a53ca58e56
18 changed files with 558 additions and 294 deletions
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1
src/entities/Entity.h
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@ -30,6 +30,7 @@ enum eEntityStatus : uint8
STATUS_PLANE,
STATUS_PLAYER_REMOTE,
STATUS_PLAYER_DISABLED,
STATUS_12, // TODO: what is this? used in CPhysical::ApplyAirResistance
};
class CEntity : public CPlaceable

565
src/entities/Physical.cpp
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File diff suppressed because it is too large Load Diff

20
src/entities/Physical.h
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@ -18,8 +18,7 @@ public:
// The not properly indented fields haven't been checked properly yet
int32 m_audioEntityId;
float unk1;
CTreadable *m_treadable[2]; // car and ped
float m_phys_unused1;
uint32 m_nLastTimeCollided;
CVector m_vecMoveSpeed; // velocity
CVector m_vecTurnSpeed; // angular velocity
@ -37,16 +36,15 @@ public:
CEntryInfoList m_entryInfoList;
CPtrNode *m_movingListNode;
char field_EC;
int8 m_phys_unused2;
uint8 m_nStaticFrames;
uint8 m_nCollisionRecords;
bool m_bIsVehicleBeingShifted;
CEntity *m_aCollisionRecords[PHYSICAL_MAX_COLLISIONRECORDS];
float m_fDistanceTravelled;
// damaged piece
float m_fDamageImpulse; // fCollisionPower
float m_fDamageImpulse;
CEntity *m_pDamageEntity;
CVector m_vecDamageNormal;
int16 m_nDamagePieceType;
@ -54,12 +52,17 @@ public:
uint8 bIsHeavy : 1;
uint8 bAffectedByGravity : 1;
uint8 bInfiniteMass : 1;
uint8 m_phy_flagA08 : 1;
uint8 bIsInWater : 1;
uint8 m_phy_flagA10 : 1; // unused
uint8 m_phy_flagA20 : 1; // unused
uint8 bHitByTrain : 1;
uint8 bSkipLineCol : 1;
uint8 bIsFrozen : 1;
uint8 bDontLoadCollision : 1;
uint8 m_bIsVehicleBeingShifted : 1; // wrong name - also used on but never set for peds
uint8 bJustCheckCollision : 1; // just see if there is a collision
uint8 m_nSurfaceTouched;
int8 m_nZoneLevel;
@ -86,7 +89,6 @@ public:
void RemoveRefsToEntity(CEntity *ent);
static void PlacePhysicalRelativeToOtherPhysical(CPhysical *other, CPhysical *phys, CVector localPos);
float GetDistanceSq(void) { return m_vecMoveSpeed.MagnitudeSqr() * sq(CTimer::GetTimeStep()); }
// get speed of point p relative to entity center
CVector GetSpeed(const CVector &r);
CVector GetSpeed(void) { return GetSpeed(CVector(0.0f, 0.0f, 0.0f)); }
@ -94,7 +96,7 @@ public:
return 1.0f / (CrossProduct(pos, dir).MagnitudeSqr()/m_fTurnMass +
1.0f/m_fMass);
}
float GetMassTime(const CVector &pos, const CVector &dir, float t) {
float GetMassTweak(const CVector &pos, const CVector &dir, float t) {
return 1.0f / (CrossProduct(pos, dir).MagnitudeSqr()/(m_fTurnMass*t) +
1.0f/(m_fMass*t));
}
@ -156,11 +158,13 @@ public:
void ApplyFrictionTurnForce(const CVector &j, const CVector &p) { ApplyFrictionTurnForce(j.x, j.y, j.z, p.x, p.y, p.z); }
// springRatio: 1.0 fully extended, 0.0 fully compressed
bool ApplySpringCollision(float springConst, CVector &springDir, CVector &point, float springRatio, float bias);
bool ApplySpringCollisionAlt(float springConst, CVector &springDir, CVector &point, float springRatio, float bias, CVector &forceDir);
bool ApplySpringDampening(float damping, CVector &springDir, CVector &point, CVector &speed);
void ApplyGravity(void);
void ApplyFriction(void);
void ApplyAirResistance(void);
bool ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, float &impulseB);
bool ApplyCollision(CColPoint &colpoint, float &impulse);
bool ApplyCollisionAlt(CEntity *B, CColPoint &colpoint, float &impulse, CVector &moveSpeed, CVector &turnSpeed);
bool ApplyFriction(CPhysical *B, float adhesiveLimit, CColPoint &colpoint);
bool ApplyFriction(float adhesiveLimit, CColPoint &colpoint);