A reimplementation of Mario Kart Wii's physics engine in C++
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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 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 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 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 const EGG::Vector3fgetPosition () const
 
virtual ObjectId id () const
 
const EGG::Vector3fpos () const
 
void setPos (const EGG::Vector3f &pos)
 

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 Field::ObjectCollidable
ObjectCollisionBasem_collision
 
- Protected Attributes inherited from Field::ObjectBase
Render::DrawMdlm_drawMdl
 
Abstract::g3d::ResFilem_resFile
 
ObjectId m_id
 
RailInterpolatorm_railInterpolator
 
BoxColUnitm_boxColUnit
 
Flags m_flags
 
EGG::Vector3f m_pos
 
EGG::Vector3f m_rot
 
EGG::Vector3f m_scale
 
EGG::Matrix34f m_transform
 
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 Field::ObjectBase
enum class  eFlags {
  Position = 0 ,
  Rotation = 1 ,
  Matrix = 2 ,
  Scale = 3
}
 
typedef EGG::TBitFlag< u16, eFlags > Flags
 
- Protected Member Functions inherited from Field::ObjectCollidable
virtual const EGG::Vector3fcollisionCenter () const
 
void registerManagedObject ()
 
- Protected Member Functions inherited from Field::ObjectBase
void calcTransform ()
 
void linkAnims (const std::span< const char * > &names, const std::span< Render::AnmType > types)
 
void setMatrixTangentTo (const EGG::Vector3f &up, const EGG::Vector3f &tangent)
 
- Static Protected Member Functions inherited from Field::ObjectBase
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::Vector3f Interpolate (f32 t, const EGG::Vector3f &v0, const EGG::Vector3f &v1)
 

Member Enumeration Documentation

◆ State

enum class 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()

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

Definition at line 11 of file ObjectPress.cc.

Member Function Documentation

◆ calc()

void Field::ObjectPress::calc ( )
overridevirtual0x8077788C

Reimplemented from Field::ObjectBase.

Definition at line 55 of file ObjectPress.cc.

◆ calcLowered()

void Field::ObjectPress::calcLowered ( )
private

Definition at line 166 of file ObjectPress.cc.

◆ calcLowering()

void Field::ObjectPress::calcLowering ( )
private0x80777B90

Definition at line 156 of file ObjectPress.cc.

◆ calcRaised()

void Field::ObjectPress::calcRaised ( )
virtual0x80777A90

Definition at line 135 of file ObjectPress.cc.

◆ calcRaising()

void Field::ObjectPress::calcRaising ( )
private

Definition at line 183 of file ObjectPress.cc.

◆ calcWindUp()

void Field::ObjectPress::calcWindUp ( )
private

Definition at line 144 of file ObjectPress.cc.

◆ checkCollisionLowering()

void Field::ObjectPress::checkCollisionLowering ( )
private0x80777D10

Definition at line 200 of file ObjectPress.cc.

◆ createCollision()

void Field::ObjectPress::createCollision ( )
overridevirtual0x8077840C

Reimplemented from Field::ObjectCollidable.

Definition at line 91 of file ObjectPress.cc.

◆ getCollisionRadius()

f32 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 Field::ObjectCollidable.

Definition at line 25 of file ObjectPress.hh.

◆ init()

void Field::ObjectPress::init ( )
overridevirtual0x8077763C

Reimplemented from Field::ObjectBase.

Definition at line 18 of file ObjectPress.cc.

◆ loadAnims()

void Field::ObjectPress::loadAnims ( )
overridevirtual0x807786E4

Reimplemented from Field::ObjectBase.

Definition at line 78 of file ObjectPress.cc.

◆ loadFlags()

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

Reimplemented from Field::ObjectBase.

Definition at line 18 of file ObjectPress.hh.

◆ onCollision()

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

Reimplemented from Field::ObjectCollidable.

Definition at line 116 of file ObjectPress.cc.

Member Data Documentation

◆ ANM_RATE

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

Definition at line 61 of file ObjectPress.hh.

◆ m_anmDuration

u32 Field::ObjectPress::m_anmDuration
private

Definition at line 55 of file ObjectPress.hh.

◆ m_loweredHeight

f32 Field::ObjectPress::m_loweredHeight
private

Definition at line 58 of file ObjectPress.hh.

◆ m_loweringVelocity

f32 Field::ObjectPress::m_loweringVelocity
private

Definition at line 56 of file ObjectPress.hh.

◆ m_raisedHeight

f32 Field::ObjectPress::m_raisedHeight
private

Definition at line 57 of file ObjectPress.hh.

◆ m_raisedTimer

u32 Field::ObjectPress::m_raisedTimer
private

Number of frames remaining in raised state.

Definition at line 54 of file ObjectPress.hh.

◆ m_startedLowered

bool 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 Field::ObjectPress::m_startingRise
private

Used to delay state change by 1 frame.

Definition at line 53 of file ObjectPress.hh.

◆ m_state

State Field::ObjectPress::m_state
protected

Definition at line 43 of file ObjectPress.hh.

◆ m_windUpTimer

u32 Field::ObjectPress::m_windUpTimer
protected

Number of frames remaining in windup state.

Definition at line 44 of file ObjectPress.hh.