A reimplementation of Mario Kart Wii's physics engine in C++
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Kinoko::Field::ObjectPress Class Reference

#include <ObjectPress.hh>

Description

Represents the Toad's Factory stompers.

This is also a base class for item boxes that get squished by stompers.

Definition at line 9 of file ObjectPress.hh.

Inheritance diagram for Kinoko::Field::ObjectPress:

Public Member Functions

 ObjectPress (const System::MapdataGeoObj &params)
void init () override
void calc () override
u32 loadFlags () const override
void loadAnims () override
void createCollision () override
f32 getCollisionRadius () const override
 Finds the radius that fits fully in a BoxColUnit.
Kart::Reaction onCollision (Kart::KartObject *kartObj, Kart::Reaction reactionOnKart, Kart::Reaction reactionOnObj, EGG::Vector3f &hitDepth) override
virtual void calcRaised ()
Public Member Functions inherited from Kinoko::Field::ObjectCollidable
 ObjectCollidable (const System::MapdataGeoObj &params)
 ObjectCollidable (const char *name, const EGG::Vector3f &pos, const EGG::Vector3f &rot, const EGG::Vector3f &scale)
void load () override
void calcCollisionTransform () override
virtual void loadAABB (f32 maxSpeed)
virtual void loadAABB (f32 radius, f32 maxSpeed)
virtual void processKartReactions (Kart::KartObject *kartObj, Kart::Reaction &reactionOnKart, Kart::Reaction &reactionOnObj)
virtual void onWallCollision (Kart::KartObject *, const EGG::Vector3f &)
virtual void onObjectCollision (Kart::KartObject *)
virtual bool checkCollision (ObjectCollisionBase *lhs, EGG::Vector3f &dist)
virtual const EGG::Vector3fgetCollisionTranslation () const
virtual ObjectCollisionBasecollision () const
Public Member Functions inherited from Kinoko::Field::ObjectBase
 ObjectBase (const System::MapdataGeoObj &params)
 ObjectBase (const char *name, const EGG::Vector3f &pos, const EGG::Vector3f &rot, const EGG::Vector3f &scale)
virtual void calcModel ()
virtual const char * getResources () const
virtual void loadGraphics ()
virtual void loadRail ()
virtual const char * getName () const
virtual const char * getKclName () const
virtual void resize (f32 radius, f32 maxSpeed)
virtual void unregisterCollision ()
virtual void disableCollision () const
virtual void enableCollision () const
virtual const BoxColUnitgetUnit () const
const RailInterpolatorrailInterpolator () const
virtual const EGG::Vector3fgetPosition () const
virtual ObjectId id () const
void setPos (const EGG::Vector3f &pos)
void addPos (const EGG::Vector3f &v)
void subPos (const EGG::Vector3f &v)
void setScale (const EGG::Vector3f &scale)
void setScale (f32 scale)
void setRot (const EGG::Vector3f &rot)
void setRotNoFlag (const EGG::Vector3f &rot)
void addRot (const EGG::Vector3f &v)
void subRot (const EGG::Vector3f &v)
void setTransform (const EGG::Matrix34f &mat)
const EGG::Vector3fpos () const
const EGG::Vector3fscale () const
const EGG::Vector3frot () const
const EGG::Matrix34ftransform () const

Protected Types

enum class  State {
  Raised ,
  WindUp ,
  Lowering ,
  Lowered ,
  Raising
}

Protected Attributes

State m_state
u32 m_windUpTimer
 Number of frames remaining in windup state.
Protected Attributes inherited from Kinoko::Field::ObjectCollidable
ObjectCollisionBasem_collision
Protected Attributes inherited from Kinoko::Field::ObjectBase
Render::DrawMdlm_drawMdl
Abstract::g3d::ResFilem_resFile
ObjectId m_id
RailInterpolatorm_railInterpolator
BoxColUnitm_boxColUnit
const System::MapdataGeoObjm_mapObj

Private Member Functions

void calcWindUp ()
void calcLowering ()
void checkCollisionLowering ()
void calcLowered ()
void calcRaising ()

Private Attributes

bool m_startingRise
 Used to delay state change by 1 frame.
u32 m_raisedTimer
 Number of frames remaining in raised state.
u32 m_anmDuration
f32 m_loweringVelocity
f32 m_raisedHeight
f32 m_loweredHeight
bool m_startedLowered
 Used to induce crush effect even if it hit floor this frame.

Static Private Attributes

static constexpr f32 ANM_RATE = 2.0f

Additional Inherited Members

Public Types inherited from Kinoko::Field::ObjectBase
enum class  eFlags {
  Position = 0 ,
  Rotation = 1 ,
  Matrix = 2 ,
  Scale = 3
}
typedef EGG::TBitFlag< u16, eFlags > Flags
Protected Member Functions inherited from Kinoko::Field::ObjectCollidable
virtual const EGG::Vector3fcollisionCenter () const
void registerManagedObject ()
Protected Member Functions inherited from Kinoko::Field::ObjectBase
void calcTransform ()
void calcRotLock ()
void linkAnims (const std::span< const char * > &names, const std::span< Render::AnmType > types)
void setMatrixTangentTo (const EGG::Vector3f &up, const EGG::Vector3f &tangent)
void setMatrixFromOrthonormalBasisAndPos (const EGG::Vector3f &v)
Static Protected Member Functions inherited from Kinoko::Field::ObjectBase
static f32 CheckPointAgainstLineSegment (const EGG::Vector3f &point, const EGG::Vector3f &a, const EGG::Vector3f &b)
 Calculates on what side of line segment ab point lies.
static EGG::Vector3f RotateXZByYaw (f32 angle, const EGG::Vector3f &v)
 Rotates a vector around the Y-axis and returns the XZ-plane portion of the vector.
static EGG::Vector3f RotateAxisAngle (f32 angle, const EGG::Vector3f &axis, const EGG::Vector3f &v1)
static void SetRotTangentHorizontal (EGG::Matrix34f &mat, const EGG::Vector3f &up, const EGG::Vector3f &tangent)
static EGG::Matrix34f OrthonormalBasis (const EGG::Vector3f &v)
static EGG::Matrix34f RailOrthonormalBasis (const RailInterpolator &railInterpolator)
static EGG::Vector3f AdjustVecForward (f32 sidewaysScalar, f32 forwardScalar, f32 minSpeed, const EGG::Vector3f &src, EGG::Vector3f forward)
static f32 CalcParabolicDisplacement (f32 initVel, f32 accel, u32 frame)
 Solves the standard kinematic equation \(y(t) = v_0\, t - \frac{1}{2} a t^{2}\).
static EGG::Vector3f Interpolate (f32 t, const EGG::Vector3f &v0, const EGG::Vector3f &v1)

Member Enumeration Documentation

◆ State

enum class Kinoko::Field::ObjectPress::State
strongprotected
Enumerator
WindUp 

Rising up a bit before stomping down.

Lowering 

Stomping down.

Lowered 

Contacting the floor.

Definition at line 35 of file ObjectPress.hh.

Constructor & Destructor Documentation

◆ ObjectPress()

Kinoko::Field::ObjectPress::ObjectPress ( const System::MapdataGeoObj & params)
0x80777564

Definition at line 11 of file ObjectPress.cc.

◆ ~ObjectPress()

Kinoko::Field::ObjectPress::~ObjectPress ( )
overridedefault0x807775FC

Member Function Documentation

◆ calc()

void Kinoko::Field::ObjectPress::calc ( )
overridevirtual0x8077788C

Reimplemented from Kinoko::Field::ObjectBase.

Definition at line 52 of file ObjectPress.cc.

◆ calcLowered()

void Kinoko::Field::ObjectPress::calcLowered ( )
private

Definition at line 160 of file ObjectPress.cc.

◆ calcLowering()

void Kinoko::Field::ObjectPress::calcLowering ( )
private0x80777B90

Definition at line 152 of file ObjectPress.cc.

◆ calcRaised()

void Kinoko::Field::ObjectPress::calcRaised ( )
virtual0x80777A90

Definition at line 132 of file ObjectPress.cc.

◆ calcRaising()

void Kinoko::Field::ObjectPress::calcRaising ( )
private

Definition at line 177 of file ObjectPress.cc.

◆ calcWindUp()

void Kinoko::Field::ObjectPress::calcWindUp ( )
private

Definition at line 141 of file ObjectPress.cc.

◆ checkCollisionLowering()

void Kinoko::Field::ObjectPress::checkCollisionLowering ( )
private0x80777D10

Definition at line 193 of file ObjectPress.cc.

◆ createCollision()

void Kinoko::Field::ObjectPress::createCollision ( )
overridevirtual0x8077840C

Reimplemented from Kinoko::Field::ObjectCollidable.

Definition at line 88 of file ObjectPress.cc.

◆ getCollisionRadius()

f32 Kinoko::Field::ObjectPress::getCollisionRadius ( ) const
inlinenodiscardoverridevirtual

Finds the radius that fits fully in a BoxColUnit.

We refer to the collision parameters as a box due to its use of axes. This does not imply that all collidable objects are boxes!

Reimplemented from Kinoko::Field::ObjectCollidable.

Definition at line 25 of file ObjectPress.hh.

◆ init()

void Kinoko::Field::ObjectPress::init ( )
overridevirtual0x8077763C

Reimplemented from Kinoko::Field::ObjectBase.

Definition at line 18 of file ObjectPress.cc.

◆ loadAnims()

void Kinoko::Field::ObjectPress::loadAnims ( )
overridevirtual0x807786E4

Reimplemented from Kinoko::Field::ObjectBase.

Definition at line 75 of file ObjectPress.cc.

◆ loadFlags()

u32 Kinoko::Field::ObjectPress::loadFlags ( ) const
inlinenodiscardoverridevirtual0x807787E8

Reimplemented from Kinoko::Field::ObjectBase.

Definition at line 18 of file ObjectPress.hh.

◆ onCollision()

Kart::Reaction Kinoko::Field::ObjectPress::onCollision ( Kart::KartObject * kartObj,
Kart::Reaction reactionOnKart,
Kart::Reaction reactionOnObj,
EGG::Vector3f & hitDepth )
overridevirtual0x807782D4

Reimplemented from Kinoko::Field::ObjectCollidable.

Definition at line 113 of file ObjectPress.cc.

Member Data Documentation

◆ ANM_RATE

f32 Kinoko::Field::ObjectPress::ANM_RATE = 2.0f
staticconstexprprivate

Definition at line 61 of file ObjectPress.hh.

◆ m_anmDuration

u32 Kinoko::Field::ObjectPress::m_anmDuration
private

Definition at line 55 of file ObjectPress.hh.

◆ m_loweredHeight

f32 Kinoko::Field::ObjectPress::m_loweredHeight
private

Definition at line 58 of file ObjectPress.hh.

◆ m_loweringVelocity

f32 Kinoko::Field::ObjectPress::m_loweringVelocity
private

Definition at line 56 of file ObjectPress.hh.

◆ m_raisedHeight

f32 Kinoko::Field::ObjectPress::m_raisedHeight
private

Definition at line 57 of file ObjectPress.hh.

◆ m_raisedTimer

u32 Kinoko::Field::ObjectPress::m_raisedTimer
private

Number of frames remaining in raised state.

Definition at line 54 of file ObjectPress.hh.

◆ m_startedLowered

bool Kinoko::Field::ObjectPress::m_startedLowered
private

Used to induce crush effect even if it hit floor this frame.

Definition at line 59 of file ObjectPress.hh.

◆ m_startingRise

bool Kinoko::Field::ObjectPress::m_startingRise
private

Used to delay state change by 1 frame.

Definition at line 53 of file ObjectPress.hh.

◆ m_state

State Kinoko::Field::ObjectPress::m_state
protected

Definition at line 43 of file ObjectPress.hh.

◆ m_windUpTimer

u32 Kinoko::Field::ObjectPress::m_windUpTimer
protected

Number of frames remaining in windup state.

Definition at line 44 of file ObjectPress.hh.