AtlasOldMesher Class Reference [Old Atlas Editor Code]

#include <atlasOldMesher.h>

Detailed Description

Helper class for generating and outputting chunk geometry for an Atlas terrain.

Public Types

typedef U16 VertIndex

typedef Vector< VertIndex > VertHashBin

Hash table for vertex lookups.

Public Member Functions

AtlasOldMesher (AtlasOldActivationHeightfield *hf, S8 level)

Create an Atlas chunk mesh helper instance.

~AtlasOldMesher ()

U32 getTriCount ()

void emitTri (VertIndex a, VertIndex b, VertIndex c)

void emitTri (Point2I a, Point2I b, Point2I c)

VertIndex getVertIndex (Point2I pos)

Return an index for the given vertex on the heightfield.

VertIndex addSpecialVert (Point2I pos, S16 z)

Emit a special vertex; these are generally used for skirts.

void updateBounds ()

void optimize ()

void writeVertex (Stream *s, Vert *vert, const S8 level)

void writeCollision (Stream *s)

void write (Stream *s, const S8 level, bool writeCollision)

Public Attributes

S16 mMinZ

S16 mMaxZ

Vector< VertHashBin > mVertHash

Vector< VertIndex > mSpecialVerts

Protected Types

HashBinCount = 19

enum { HashBinCount = 19 }

Protected Member Functions

Point3F getVertPos (const Vert &v)

Static Protected Member Functions

static const U32 generatePointHash (const Point2I &pos)

Protected Attributes

Box3F mBounds

Bounds of this mesh.

Vector< Vert > mVerts

The vertices of this mesh.

Vector< VertIndex > mIndices

The indices of this mesh.

Point3F mCompressionFactor

Compression information, so we can write fixed point integers out.

AtlasOldActivationHeightfield * mHeight

Pointer to the heightfield we're generating mesh data for.

S8 mLevel

Classes

struct Vert

Represents a vertex in our mesh. More...

Member Typedef Documentation

typedef U16 AtlasOldMesher::VertIndex

typedef Vector<VertIndex> AtlasOldMesher::VertHashBin

Hash table for vertex lookups.

Member Enumeration Documentation

anonymous enum [protected]

Enumerator:

HashBinCount

Constructor & Destructor Documentation

AtlasOldMesher::AtlasOldMesher	(	AtlasOldActivationHeightfield *	hf,
		S8	level
	)

Create an Atlas chunk mesh helper instance.

Parameters:

	hf	Heightfield we're generating data for, used to get heights of vertices and calculate morph info, etc.
	level	Level we're generating for. Necessary so we know how much to morph.

AtlasOldMesher::~AtlasOldMesher ( )

Member Function Documentation

static const U32 AtlasOldMesher::generatePointHash ( const Point2I & pos ) [inline, static, protected]

Point3F AtlasOldMesher::getVertPos ( const Vert & v ) [protected]

U32 AtlasOldMesher::getTriCount ( ) [inline]

void AtlasOldMesher::emitTri	(	VertIndex	a,
		VertIndex	b,
		VertIndex	c
	)			`[inline]`

void AtlasOldMesher::emitTri	(	Point2I	a,
		Point2I	b,
		Point2I	c
	)			`[inline]`

VertIndex AtlasOldMesher::getVertIndex ( Point2I pos )

Return an index for the given vertex on the heightfield.

This will emit the vertex if necessary, or recycle it if it already exists.

VertIndex AtlasOldMesher::addSpecialVert	(	Point2I	pos,
		S16	z
	)

Emit a special vertex; these are generally used for skirts.

void AtlasOldMesher::updateBounds ( )

void AtlasOldMesher::optimize ( )

void AtlasOldMesher::writeVertex	(	Stream *	s,
		Vert *	vert,
		const S8	level
	)

void AtlasOldMesher::writeCollision ( Stream * s )

void AtlasOldMesher::write	(	Stream *	s,
		const S8	level,
		bool	writeCollision
	)

Member Data Documentation

Box3F AtlasOldMesher::mBounds [protected]

Bounds of this mesh.

Vector<Vert> AtlasOldMesher::mVerts [protected]

The vertices of this mesh.

Vector<VertIndex> AtlasOldMesher::mIndices [protected]

The indices of this mesh.

We store a trilist and cook into a tristrip.

Note:: We're l33t like that.
Actually, this isn't true atm. We just store a trilist. Tristrip comes later in the milestone path.

Point3F AtlasOldMesher::mCompressionFactor [protected]

Compression information, so we can write fixed point integers out.

AtlasOldActivationHeightfield* AtlasOldMesher::mHeight [protected]

Pointer to the heightfield we're generating mesh data for.

S8 AtlasOldMesher::mLevel [protected]

S16 AtlasOldMesher::mMinZ

S16 AtlasOldMesher::mMaxZ

Vector<VertHashBin> AtlasOldMesher::mVertHash

Vector<VertIndex> AtlasOldMesher::mSpecialVerts