TwinE::Grid Class Reference

Public Member Functions
	Grid (TwinEEngine *engine)
void	init (int32 w, int32 h)
const uint8 *	getBlockBufferGround (const IVec3 &pos, int32 &ground)
void	drawOverBrick (int32 x, int32 y, int32 z)
void	drawOverBrick3 (int32 x, int32 y, int32 z)
void	getSpriteSize (int32 offset, int32 *width, int32 *height, const uint8 *spritePtr)
void	centerScreenOnActor ()
void	centerOnActor (const ActorStruct *actor)
bool	drawBrick (int32 index, int32 posX, int32 posY)
bool	drawSprite (int32 index, int32 posX, int32 posY, const uint8 *spritePtr)
bool	drawSprite (int32 posX, int32 posY, const SpriteData &ptr, int spriteIndex=0)
bool	drawBrickSprite (int32 posX, int32 posY, const uint8 *spritePtr, bool isSprite)
const BlockData *	getBlockLibrary (int32 blockIdx) const
const BlockDataEntry *	getAdrBlock (int32 blockIdx, int32 tmpBrickIdx) const
void	copyMapToCube ()
bool	initGrid (int32 index)
bool	initCellingGrid (int32 index)
void	redrawGrid ()
ShapeType	worldColBrick (int32 x, int32 y, int32 z)
ShapeType	worldColBrickFull (int32 x, int32 y, int32 z, int32 y2, int32 actorIdx)
uint8	worldCodeBrick (int32 x, int32 y, int32 z)
ShapeType	worldColBrick (const IVec3 &pos)
ShapeType	worldColBrickFull (const IVec3 &pos, int32 y2, int32 actorIdx)

Public Attributes
IVec3	_newCamera
IVec3	_worldCube
int16	_useCellingGrid = 0
int16	_cellingGridIdx = 0

Member Function Documentation

getBlockBufferGround()

const uint8* TwinE::Grid::getBlockBufferGround	(	const IVec3 &	pos,
		int32 &	ground
	)

search down until either ground is found or lower border of the cube is reached

drawOverBrick()

void TwinE::Grid::drawOverBrick	(	int32	x,
		int32	y,
		int32	z
	)

Draw 3D actor over bricks

Parameters

x	actor.x coordinate
y	actor.y coordinate
z	actor.z coordinate

drawOverBrick3()

void TwinE::Grid::drawOverBrick3	(	int32	x,
		int32	y,
		int32	z
	)

Draw sprite actor over bricks

Parameters

x	actor.x coordinate
y	actor.y coordinate
z	actor.z coordinate

getSpriteSize()

void TwinE::Grid::getSpriteSize	(	int32	offset,
		int32 *	width,
		int32 *	height,
		const uint8 *	spritePtr
	)

Get sprite width and height sizes

Parameters

offset	sprite pointer offset
width	sprite width size
height	sprite height size
spritePtr	sprite buffer pointer

centerScreenOnActor()

void TwinE::Grid::centerScreenOnActor

(

)

recenter screen on followed actor automatically

drawBrick()

bool TwinE::Grid::drawBrick	(	int32	index,
		int32	posX,
		int32	posY
	)

Draw brick sprite in the screen

Parameters

index	brick index to draw
posX	brick X position to draw
posY	brick Y position to draw

drawSprite()

bool TwinE::Grid::drawSprite	(	int32	index,
		int32	posX,
		int32	posY,
		const uint8 *	spritePtr
	)

Draw sprite in the screen

Parameters

index	sprite index to draw
posX	sprite X position to draw
posY	sprite Y position to draw
ptr	sprite buffer pointer to draw

drawBrickSprite()

bool TwinE::Grid::drawBrickSprite	(	int32	posX,
		int32	posY,
		const uint8 *	spritePtr,
		bool	isSprite
	)

Draw sprite or bricks in the screen according with the type

Parameters

posX	sprite X position to draw
posY	sprite Y position to draw
ptr	sprite buffer pointer to draw
isSprite	allows to identify if the sprite to display is brick or a single sprite

getBlockLibrary()

const BlockData* TwinE::Grid::getBlockLibrary

(

int32

blockIdx

)

const

Get block library

Parameters

blockIdx

block library index

Returns

pointer to the current block index

copyMapToCube()

void TwinE::Grid::copyMapToCube

(

)

Create grid map from current grid to block library buffer

initGrid()

bool TwinE::Grid::initGrid

(

int32

index

)

Initialize grid (background scenearios)

Parameters

index

grid index number

initCellingGrid()

bool TwinE::Grid::initCellingGrid

(

int32

index

)

Initialize celling grid (background scenearios)

Parameters

index

grid index number

redrawGrid()

void TwinE::Grid::redrawGrid

(

)

Redraw grid background

Member Data Documentation

_newCamera

IVec3 TwinE::Grid::_newCamera

New grid camera x, y and z coordinates

_worldCube

IVec3 TwinE::Grid::_worldCube

Current grid camera x, y and z coordinates

_useCellingGrid

int16 TwinE::Grid::_useCellingGrid = 0

Flag to know if the engine is using celling grids

_cellingGridIdx

int16 TwinE::Grid::_cellingGridIdx = 0

Current celling grid index

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The documentation for this class was generated from the following file:

• engines/twine/scene/grid.h