CPhysicsActor imps

This commit is contained in:
Phillip Stephens 2016-08-31 21:10:08 -07:00
parent dc0bb55390
commit c869814da3
6 changed files with 187 additions and 36 deletions

View File

@ -293,4 +293,12 @@ void CActor::SetSfxPitchBend(s32 val)
CSfxManager::PitchBend(*x8c_sfxHandle.get(), val);
}
void CActor::SetTranslation(const zeus::CVector3f &tr)
{
x34_transform.origin = tr;
xe4_27_ = true;
xe4_28_ = true;
xe4_29_ = true;
}
}

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@ -138,6 +138,7 @@ public:
bool HasModelData() const;
const CSfxHandle* GetSfxHandle() const;
void SetSfxPitchBend(s32);
void SetTranslation(const zeus::CVector3f& tr);
};
}

View File

@ -38,22 +38,22 @@ const CCollisionPrimitive& CPhysicsActor::GetCollisionPrimitive() const
return x1c0_collisionPrimitive;
}
zeus::CTransform CPhysicsActor::GetPrimitiveTransform()
zeus::CTransform CPhysicsActor::GetPrimitiveTransform() const
{
return zeus::CTransform();
return zeus::CTransform::Translate(x34_transform.origin + x1e8_primitiveOffset);
}
float CPhysicsActor::GetStepUpHeight()
float CPhysicsActor::GetStepUpHeight() const
{
return x23c_stepUpHeight;
}
float CPhysicsActor::GetStepDownHeight()
float CPhysicsActor::GetStepDownHeight() const
{
return x240_stepDownHeight;
}
float CPhysicsActor::GetWeight()
float CPhysicsActor::GetWeight() const
{
return 24.525002f * xe8_mass;
}
@ -79,14 +79,34 @@ void CPhysicsActor::SetBoundingBox(const zeus::CAABox &box)
MoveCollisionPrimitive(zeus::CVector3f::skZero);
}
zeus::CAABox CPhysicsActor::GetMotionVolume()
zeus::CAABox CPhysicsActor::GetMotionVolume(float dt) const
{
return {};
zeus::CAABox aabox = GetCollisionPrimitive().CalculateAABox(GetPrimitiveTransform());
zeus::CVector3f velocity = CalculateNewVelocityWR_UsingImpulses();
const zeus::CVector3f dv = (dt * velocity);
aabox.accumulateBounds(aabox.max + dv);
aabox.accumulateBounds(aabox.min + dv);
float up = GetStepUpHeight();
up = zeus::max(up, 0.f);
aabox.accumulateBounds(aabox.max + up);
float down = GetStepDownHeight();
down = zeus::max(down, 0.f);
aabox.accumulateBounds(aabox.min + down);
return aabox;
}
zeus::CVector3f CPhysicsActor::CalculateNewVelocityWR_UsingImpulses() const
{
return x138_velocity + (xec_massRecip * (x168_ + x18c_));
}
zeus::CAABox CPhysicsActor::GetBoundingBox()
{
return {};
return { x1a4_baseBoundingBox.min + x1e8_primitiveOffset + x34_transform.origin,
x1a4_baseBoundingBox.max + x1e8_primitiveOffset + x34_transform.origin };
}
const zeus::CAABox& CPhysicsActor::GetBaseBoundingBox() const
@ -94,12 +114,34 @@ const zeus::CAABox &CPhysicsActor::GetBaseBoundingBox() const
return x1a4_baseBoundingBox;
}
void CPhysicsActor::AddMotionState(const CMotionState& mst)
{
zeus::CNUQuaternion q{x34_transform.buildMatrix3f()};
// TODO: Jack please verify this assignment: 8011B514
x34_transform = zeus::CTransform::Translate(x34_transform.origin) * zeus::CMatrix3f(q);
xe4_27_ = true;
xe4_28_ = true;
xe4_29_ = true;
SetTranslation(x34_transform.origin + mst.x0_origin);
x108_ += mst.x1c_;
ComputeDerivedQuantities();
}
CMotionState CPhysicsActor::GetMotionState() const
{
return {x34_transform.origin, {x34_transform.buildMatrix3f()}, xfc_, x108_};
}
void CPhysicsActor::SetInertiaTensorScalar(float tensor)
{
if (tensor <= 0.0f)
tensor = 1.0f;
xf0_inertialTensor = tensor;
xf4_inertialTensorRecip = 1.0f / tensor;
xf0_inertiaTensor = tensor;
xf4_inertiaTensorRecip = 1.0f / tensor;
}
void CPhysicsActor::SetMass(float mass)
@ -113,4 +155,90 @@ void CPhysicsActor::SetMass(float mass)
SetInertiaTensorScalar(mass * tensor);
}
void CPhysicsActor::SetAngularVelocityOR(const zeus::CAxisAngle& angVel)
{
x144_angularVelocity = x34_transform.rotate(angVel);
x108_ = xf0_inertiaTensor * x144_angularVelocity;
}
zeus::CAxisAngle CPhysicsActor::GetAngularVelocityOR() const
{
return x34_transform.transposeRotate(x144_angularVelocity);
}
void CPhysicsActor::SetAngularVelocityWR(const zeus::CAxisAngle& angVel)
{
x144_angularVelocity = angVel;
x108_ = xf0_inertiaTensor * x144_angularVelocity;
}
void CPhysicsActor::SetVelocityWR(const zeus::CVector3f &vel)
{
x138_velocity = vel;
xfc_ = xe8_mass * x138_velocity;
}
void CPhysicsActor::SetVelocityOR(const zeus::CVector3f& vel)
{
SetVelocityWR(x34_transform.rotate(vel));
}
zeus::CVector3f CPhysicsActor::GetTotalForcesWR() const
{
return x15c_ + x150_;
}
void CPhysicsActor::RotateInOneFrameOR(const zeus::CQuaternion &q, float d)
{
x198_ += GetRotateToORAngularMomentumWR(q, d);
}
zeus::CVector3f CPhysicsActor::GetRotateToORAngularMomentumWR(const zeus::CQuaternion& q, float d) const
{
if (q.w > 0.99999976)
return zeus::CVector3f::skZero;
return (xf0_inertiaTensor * (((2.f * std::acos(q.w)) * (1.f / d)) *
x34_transform.rotate({q.x, q.y, q.z}).normalized()));
}
void CPhysicsActor::ClearImpulses()
{
x18c_ = x168_ = zeus::CVector3f::skZero;
x198_ = x180_ = zeus::CAxisAngle::skZero;
}
void CPhysicsActor::ClearForcesAndTorques()
{
x18c_ = x168_ = x15c_ = zeus::CVector3f::skZero;
x198_ = x180_ = x174_ = zeus::CAxisAngle::skZero;
}
void CPhysicsActor::Stop()
{
ClearForcesAndTorques();
xfc_ = zeus::CVector3f::skZero;
x108_ = zeus::CAxisAngle::skZero;
ComputeDerivedQuantities();
}
void CPhysicsActor::ComputeDerivedQuantities()
{
x138_velocity = xec_massRecip * xfc_;
x114_ = x34_transform.buildMatrix3f();
x144_angularVelocity = xf0_inertiaTensor * x108_;
}
bool CPhysicsActor::WillMove(const CStateManager&)
{
if (!zeus::close_enough(zeus::CVector3f::skZero, x138_velocity) ||
!zeus::close_enough(zeus::CVector3f::skZero, x168_) ||
!zeus::close_enough(zeus::CVector3f::skZero, x18c_) ||
!zeus::close_enough(zeus::CVector3f::skZero, x144_angularVelocity) ||
!zeus::close_enough(zeus::CVector3f::skZero, x180_) ||
!zeus::close_enough(zeus::CVector3f::skZero, GetTotalForcesWR()))
return true;
return false;
}
}

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@ -22,7 +22,17 @@ struct SMoverData
struct CMotionState
{
CMotionState(const zeus::CVector3f&, const zeus::CNUQuaternion&, const zeus::CVector3f&, const zeus::CAxisAngle&);
zeus::CVector3f x0_origin;
zeus::CQuaternion xc_rotation;
zeus::CVector3f x1c_;
zeus::CAxisAngle x28_;
CMotionState(const zeus::CVector3f& origin, const zeus::CNUQuaternion& rotation,
const zeus::CVector3f& v2, const zeus::CAxisAngle& angle)
: x0_origin(origin)
, xc_rotation(rotation)
, x1c_(v2)
, x28_(angle)
{}
};
class CPhysicsActor : public CActor
@ -30,15 +40,15 @@ class CPhysicsActor : public CActor
protected:
float xe8_mass;
float xec_massRecip;
float xf0_inertialTensor;
float xf4_inertialTensorRecip;
float xf0_inertiaTensor;
float xf4_inertiaTensorRecip;
bool xf8_;
bool xf9_;
zeus::CVector3f xfc_;
zeus::CAxisAngle x108_;
zeus::CMatrix3f x114_;
zeus::CVector3f x138_;
zeus::CAxisAngle x144_;
zeus::CVector3f x138_velocity;
zeus::CAxisAngle x144_angularVelocity;
zeus::CVector3f x150_;
zeus::CVector3f x15c_;
zeus::CVector3f x168_;
@ -70,21 +80,37 @@ public:
zeus::CVector3f GetOrbitPosition(const CStateManager&);
zeus::CVector3f GetAimPosition(const CStateManager&, float val);
virtual const CCollisionPrimitive& GetCollisionPrimitive() const;
virtual zeus::CTransform GetPrimitiveTransform();
virtual zeus::CTransform GetPrimitiveTransform() const;
virtual void CollidedWith(const TUniqueId&, const CCollisionInfoList&, CStateManager&);
virtual float GetStepUpHeight();
virtual float GetStepDownHeight();
virtual float GetWeight();
virtual float GetStepUpHeight() const;
virtual float GetStepDownHeight() const;
virtual float GetWeight() const;
void SetPrimitiveOffset(const zeus::CVector2f& offset);
zeus::CVector3f GetPrimitiveOffset();
void MoveCollisionPrimitive(const zeus::CVector3f& offset);
void SetBoundingBox(const zeus::CAABox& box);
zeus::CAABox GetMotionVolume();
zeus::CAABox GetMotionVolume(float f31) const;
zeus::CVector3f CalculateNewVelocityWR_UsingImpulses() const;
zeus::CAABox GetBoundingBox();
const zeus::CAABox& GetBaseBoundingBox() const;
void AddMotionState(const CMotionState& mst);
CMotionState GetMotionState() const;
void SetInertiaTensorScalar(float tensor);
void SetMass(float mass);
void SetAngularVelocityOR(const zeus::CAxisAngle& angVel);
zeus::CAxisAngle GetAngularVelocityOR() const;
void SetAngularVelocityWR(const zeus::CAxisAngle& angVel);
void SetVelocityWR(const zeus::CVector3f& vel);
void SetVelocityOR(const zeus::CVector3f& vel);
zeus::CVector3f GetTotalForcesWR() const;
void RotateInOneFrameOR(const zeus::CQuaternion& q, float d);
zeus::CVector3f GetRotateToORAngularMomentumWR(const zeus::CQuaternion& q, float d) const;
void ClearImpulses();
void ClearForcesAndTorques();
void Stop();
void ComputeDerivedQuantities();
bool WillMove(const CStateManager&);
};
}

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@ -4,18 +4,6 @@
namespace urde
{
bool close_enough(const zeus::CVector2f& a, const zeus::CVector2f& b, float epsilon = 0.000099999997f)
{
if (std::fabs(a.x - b.x) < epsilon && std::fabs(a.y - b.y) < epsilon)
return true;
return false;
}
bool close_enough(float a, float b, double epsilon = 0.000009999999747378752)
{
return std::fabs(a - b) < epsilon;
}
CScriptDistanceFog::CScriptDistanceFog(TUniqueId uid, const std::string& name, const CEntityInfo& info,
const ERglFogMode& mode, const zeus::CColor& color,
const zeus::CVector2f& range, float colorDelta,
@ -34,7 +22,7 @@ CScriptDistanceFog::CScriptDistanceFog(TUniqueId uid, const std::string& name, c
x60_explicit(expl)
{
if (close_enough(rangeDelta, zeus::CVector2f::skZero) && close_enough(colorDelta, 0.f))
if (zeus::close_enough(rangeDelta, zeus::CVector2f::skZero) && zeus::close_enough(colorDelta, 0.f))
x61_nonZero = false;
else
x61_nonZero = true;
@ -68,7 +56,7 @@ void CScriptDistanceFog::AcceptScriptMsg(EScriptObjectMessage msg, TUniqueId obj
else
fog->FadeFog(x34_mode, x38_color, x3c_range, x44_colorDelta, x48_rangeDelta);
if (close_enough(x54_thermalSpeed, 0.f) && !close_enough(x5c_xraySpeed, 0.f))
if (zeus::close_enough(x54_thermalSpeed, 0.f) && !zeus::close_enough(x5c_xraySpeed, 0.f))
{
CWorld* world = stateMgr.GetWorld();
CGameArea* area = world->GetArea(GetAreaId());

@ -1 +1 @@
Subproject commit 8395c1d5be86448f5072534f0b6d8699c2d32443
Subproject commit 50749d771218db49aac420fe3e7aa11d9ffc3612