CObjectManager Class Reference

The object manager. More...

#include <ObjectManager.h>

Inheritance diagram for CObjectManager:

Collaboration diagram for CObjectManager:

Public Member Functions
	CObjectManager ()
	Constructor.
	~CObjectManager ()
	Destructor.
CObject *	Create (eSprite, const Vector3 &)
	Create new object.
CObject *	Create (eSprite, CObject *)
	Create new object.
CObject *	CreateStatic (eSprite, const Vector3 &)
	Create new object.
void	Move ()
	Move all objects.
void	Clear ()
	Clear.
void	DrawBackground ()
	Draw background.
void	GetRenderList (std::vector< Sage::CSpriteDesc3D > &)
	Get render list.
const UINT	GetNumCrows () const
Public Member Functions inherited from CCommon
float	Wrap (float)
	Wrap horizontal distance.

Private Member Functions
void	DrawBackground (Sage::CSpriteDesc3D &)
	Draw background.
void	NarrowPhase (CObject *, CObject *)
	Narrow phase collision detection and response.
void	CrowDeathFx (CObject *)
	Crow death effects.

Private Attributes
UINT	m_nCrowCount = 0
	Number of live or dead crows.
Sage::CSpriteDesc3D	m_cSkyDesc
	Sky descriptor.
Sage::CSpriteDesc3D	m_cLinedSkyDesc
	Lined sky descriptor.
Sage::CSpriteDesc3D	m_cGrndDesc
	Ground descriptor.
Sage::CParticleEngine3D *	m_pParticleEngine = nullptr
	Pointer to a particle engine.

Additional Inherited Members
Static Protected Attributes inherited from CCommon
static CRenderer *	m_pRenderer = nullptr
	Pointer to the renderer.
static CObjectManager *	m_pObjectManager = nullptr
	Pointer to the object manager.
static CPlaneObject *	m_pPlayer = nullptr
	Pointer to player character.
static float	m_fWorldScale = 2.0f
	World scale.
static Vector3	m_vCellSize = Vector3::Zero
	Cell size.
static UINT	m_nNumCells = 3
	Number of cells.
static float	m_fWorldWidth = 0.0f
	World width.
static eDrawMode	m_eDrawMode = eDrawMode::Playing
	Draw mode.
static eGameState	m_eGameState = eGameState::Loading
	Game state.

Detailed Description

The object manager manages game objects.

Constructor & Destructor Documentation

~CObjectManager()

CObjectManager::~CObjectManager

(

)

The destructor clears the object list, which destructs all of the objects in it.

Member Function Documentation

Clear()

void CObjectManager::Clear

(

)

Clear the object list and initialize the sky and ground descriptors.

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Create() [1/2]

CObject * CObjectManager::Create	(	eSprite	t,
		CObject *	pObj )

Create an object at the same position and moving at the same velocity as another object, and append it to the object list.

Parameters

t	Sprite type.
pObj	Pointer to an existing object.

Returns

Pointer to the object created.

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Create() [2/2]

CObject * CObjectManager::Create	(	eSprite	t,
		const Vector3 &	pos )

Create an object and append it to the object list.

Parameters

t	Sprite type.
pos	Initial position.

Returns

Pointer to the object created.

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CreateStatic()

CObject * CObjectManager::CreateStatic	(	eSprite	t,
		const Vector3 &	v )

Create a static object, that is, one whose position is fixed.

Parameters

t	Sprite type.
v	Initial position.

Returns

Pointer to the object created.

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CrowDeathFx()

void CObjectManager::CrowDeathFx ( CObject * p )

private

Particle effects for the crow death. An explosion. Feathers and body parts flying everywhere. Also sounds.

Parameters

p	Pointer to the crow. We need its position and velocity.

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DrawBackground() [1/2]

void CObjectManager::DrawBackground

(

)

Draw the sky and the ground.

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DrawBackground() [2/2]

void CObjectManager::DrawBackground ( Sage::CSpriteDesc3D & sd )

private

Draw part of the background.

Parameters

sd	Sprite descriptor.

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GetNumCrows()

const UINT CObjectManager::GetNumCrows

(

)

const

Reader function for the number of crows.

Returns

Number of crows.

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GetRenderList()

void CObjectManager::GetRenderList

(

std::vector< Sage::CSpriteDesc3D > &

renderlist

)

Get the render list, which is an unordered vector of sprite descriptors. This function also handles world wrapping, which ensures that whan the camera switches from its leftmost extent to the rightmost extent, then a copy of the objects in its view frustum will also be drawn in the rightmost view frustum. This temporarily draws two copies of the objects in question, but this will be invisible during game play because one of the copies will always be out of the view frustum. You will, however, see them when the camera is pulled back and I apologize in advance for any confusion that this causes. Object positions are also changed at the point of world wrap, which may also cause confusion because this function primarily creates a render list.

Parameters

renderlist

[IN, OUT] Render list.

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Move()

void CObjectManager::Move

(

)

Move all of the objects in the object list and perform broad phase collision detection and response.

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NarrowPhase()

void CObjectManager::NarrowPhase ( CObject * p0, CObject * p1 )

private

Perform collision detection and response for a pair of objects.

Parameters

p0	Pointer to the first object.
p1	Pointer to the second object.

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