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authoraap <aap@papnet.eu>2019-05-15 16:52:37 +0200
committeraap <aap@papnet.eu>2019-05-15 16:52:37 +0200
commit600bf0351476a5a21aabb5429132ddf7f52ac0b9 (patch)
treed8e48b3a581679e33830fb7c98ed69e1e242e2c2 /src/entities/Physical.h
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Diffstat (limited to 'src/entities/Physical.h')
-rw-r--r--src/entities/Physical.h137
1 files changed, 137 insertions, 0 deletions
diff --git a/src/entities/Physical.h b/src/entities/Physical.h
new file mode 100644
index 00000000..681ab5c8
--- /dev/null
+++ b/src/entities/Physical.h
@@ -0,0 +1,137 @@
+#pragma once
+
+#include "Lists.h"
+#include "Entity.h"
+#include "Treadable.h"
+
+enum {
+ PHYSICAL_MAX_COLLISIONRECORDS = 6
+};
+
+class CPhysical : public CEntity
+{
+public:
+ // The not properly indented fields haven't been checked properly yet
+
+ int uAudioEntityId;
+ float unk1;
+ CTreadable *m_carTreadable;
+ CTreadable *m_pedTreadable;
+ uint32 m_nLastTimeCollided;
+ CVector m_vecMoveSpeed; // velocity
+ CVector m_vecTurnSpeed; // angular velocity
+ CVector m_vecMoveFriction;
+ CVector m_vecTurnFriction;
+ CVector m_vecMoveSpeedAvg;
+ CVector m_vecTurnSpeedAvg;
+ float m_fMass;
+ float m_fTurnMass; // moment of inertia
+ float fForceMultiplier;
+ float m_fAirResistance;
+ float m_fElasticity;
+ float fPercentSubmerged;
+ CVector m_vecCentreOfMass;
+ CEntryInfoList m_entryInfoList;
+ CPtrNode *m_movingListNode;
+
+ char field_EC;
+ uint8 m_nStaticFrames;
+ uint8 m_nCollisionRecords;
+ char field_EF;
+ CEntity *m_aCollisionRecords[PHYSICAL_MAX_COLLISIONRECORDS];
+
+ float m_fDistanceTravelled;
+
+ // damaged piece
+ float m_fCollisionImpulse;
+ CEntity *m_pCollidingEntity;
+ CVector m_vecCollisionDirection;
+ int16 m_nCollisionPieceType;
+
+ uint8 m_phy_flagA1 : 1;
+ uint8 bAffectedByGravity : 1;
+ uint8 bInfiniteMass : 1;
+ uint8 m_phy_flagA8 : 1;
+ uint8 m_phy_flagA10 : 1;
+ uint8 m_phy_flagA20 : 1;
+ uint8 m_phy_flagA40 : 1;
+ uint8 m_phy_flagA80 : 1;
+
+ uint8 m_phy_flagB1 : 1;
+ uint8 m_phy_flagB2 : 1;
+ uint8 m_phy_flagB4 : 1;
+ uint8 m_phy_flagB8 : 1;
+ uint8 m_phy_flagB10 : 1;
+ uint8 m_phy_flagB20 : 1;
+ uint8 m_phy_flagB40 : 1;
+ uint8 m_phy_flagB80 : 1;
+
+ char byteLastCollType;
+ char byteZoneLevel;
+ int16 pad;
+
+
+ // from CEntity
+ void Add(void);
+ void Remove(void);
+ CRect GetBoundRect(void);
+ void ProcessControl(void);
+
+ void RemoveAndAdd(void);
+ void AddToMovingList(void);
+ void RemoveFromMovingList(void);
+
+ // 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)); }
+ float GetMass(const CVector &pos, const CVector &dir) {
+ return 1.0f / (CrossProduct(pos, dir).MagnitudeSqr()/m_fTurnMass +
+ 1.0f/m_fMass);
+ }
+ float GetMassTime(const CVector &pos, const CVector &dir, float t) {
+ return 1.0f / (CrossProduct(pos, dir).MagnitudeSqr()/(m_fTurnMass*t) +
+ 1.0f/(m_fMass*t));
+ }
+ void UnsetIsInSafePosition(void) {
+ m_vecMoveSpeed *= -1.0f;
+ m_vecTurnSpeed *= -1.0f;
+ ApplyTurnSpeed();
+ ApplyMoveSpeed();
+ m_vecMoveSpeed *= -1.0f;
+ m_vecTurnSpeed *= -1.0f;
+ bIsInSafePosition = false;
+ }
+
+ void ApplyMoveSpeed(void);
+ void ApplyTurnSpeed(void);
+ // Force actually means Impulse here
+ void ApplyMoveForce(float jx, float jy, float jz);
+ void ApplyMoveForce(const CVector &j) { ApplyMoveForce(j.x, j.y, j.z); }
+ // v(x,y,z) is direction of force, p(x,y,z) is point relative to model center where force is applied
+ void ApplyTurnForce(float jx, float jy, float jz, float rx, float ry, float rz);
+ // v is direction of force, p is point relative to model center where force is applied
+ void ApplyTurnForce(const CVector &j, const CVector &p) { ApplyTurnForce(j.x, j.y, j.z, p.x, p.y, p.z); }
+ void ApplyFrictionMoveForce(float jx, float jy, float jz);
+ void ApplyFrictionMoveForce(const CVector &j) { ApplyFrictionMoveForce(j.x, j.y, j.z); }
+ void ApplyFrictionTurnForce(float jx, float jy, float jz, float rx, float ry, float rz);
+ void ApplyFrictionTurnForce(const CVector &j, const CVector &p) { ApplyFrictionTurnForce(j.x, j.y, j.z, p.x, p.y, p.z); }
+ void ApplySpringCollision(float f1, CVector &v, CVector &p, float f2, float f3);
+ void ApplyGravity(void);
+ void ApplyFriction(void);
+ void ApplyAirResistance(void);
+ bool ApplyCollision(CPhysical *B, CColPoint &colpoint, float &impulseA, float &impulseB);
+ 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);
+
+ void AddCollisionRecord(CEntity *ent);
+ void AddCollisionRecord_Treadable(CEntity *ent);
+ bool GetHasCollidedWith(CEntity *ent);
+
+ // to make patching virtual functions possible
+ void Add_(void) { CPhysical::Add(); }
+ void Remove_(void) { CPhysical::Remove(); }
+ CRect GetBoundRect_(void) { return CPhysical::GetBoundRect(); }
+ void ProcessControl_(void) { CPhysical::ProcessControl(); }
+};
+static_assert(sizeof(CPhysical) == 0x128, "CPhysical: error");