NL3D::CPatchUVLocator Class Reference

From a patch and UV coordinate in [0,OrderS], [0,OrderT], retrieve the appropriate coordinate in neighborhood. More...

#include <patchuv_locator.h>

Classes
struct	CUVBasis
Public Member Functions
void	build (const CPatch *patchCenter, sint edgeCenter, CPatch::CBindInfo &bindInfo)
uint	selectPatch (const NLMISC::CVector2f &uvIn)
void	locateUV (const NLMISC::CVector2f &uvIn, uint patch, CPatch *&patchOut, NLMISC::CVector2f &uvOut)
bool	sameEdgeOrder () const
	return true only if the 2 edges have same number of tiles.
Private Attributes
CPatch *	_CenterPatch
sint	_CenterPatchEdge
sint	_NPatchs
CPatch *	_NeighborPatch [4]
CUVBasis	_NeighborBasis [4]
bool	_SameEdgeOrder

Detailed Description

From a patch and UV coordinate in [0,OrderS], [0,OrderT], retrieve the appropriate coordinate in neighborhood.

Author:: Lionel Berenguier; Nevrax France

Date:: 2001

Definition at line 43 of file patchuv_locator.h.

Member Function Documentation

void NL3D::CPatchUVLocator::build	(	const CPatch *	patchCenter,
		sint	edgeCenter,
		CPatch::CBindInfo &	bindInfo
	)

Definition at line 36 of file patchuv_locator.cpp.

References _CenterPatch, _CenterPatchEdge, _NeighborBasis, _NeighborPatch, _NPatchs, _SameEdgeOrder, NL3D::CPatch::CBindInfo::Edge, NL3D::CPatch::getOrderForEdge(), NL3D::CPatch::getOrderS(), NL3D::CPatch::getOrderT(), NL3D::CPatch::CBindInfo::MultipleBindId, NL3D::CPatch::CBindInfo::MultipleBindNum, NL3D::CPatch::CBindInfo::Next, nlassert, NL3D::CPatch::CBindInfo::NPatchs, NLMISC::CVector2f::set(), NL3D::CPatchUVLocator::CUVBasis::UvI, NL3D::CPatchUVLocator::CUVBasis::UvJ, NL3D::CPatchUVLocator::CUVBasis::UvP, NLMISC::CVector2f::x, NLMISC::CVector2f::y, and NL3D::CPatch::CBindInfo::Zone.

Referenced by NL3D::CPatch::bind(), NL3D::CZoneCornerSmoother::buildPatchBindInfo(), NL3D::CPatch::computeContinousVertex(), NL3D::CPatch::computeDisplaceCornerSmooth(), NL3D::CPatch::computeDisplaceEdgeSmooth(), NL3D::CPatch::computeDisplaceRawOnNeighbor(), NL3D::CPatch::computeNearBlockLightmap(), NL3D::CPatch::computeNormalCornerSmooth(), NL3D::CPatch::computeNormalEdgeSmooth(), NL3D::CPatch::computeNormalOnNeighbor(), and NL3D::CPatch::computeTileLightmapPixelAroundCorner().

void NL3D::CPatchUVLocator::locateUV	(	const NLMISC::CVector2f &	uvIn,
		uint	patch,
		CPatch *&	patchOut,
		NLMISC::CVector2f &	uvOut
	)

Definition at line 200 of file patchuv_locator.cpp.

References _NeighborBasis, _NeighborPatch, _NPatchs, and NL3D::CPatchUVLocator::CUVBasis::mulPoint().

Referenced by NL3D::CPatch::bind(), NL3D::CPatch::computeContinousVertex(), NL3D::CPatch::computeDisplaceCornerSmooth(), NL3D::CPatch::computeDisplaceEdgeSmooth(), NL3D::CPatch::computeDisplaceRawOnNeighbor(), NL3D::CPatch::computeNearBlockLightmap(), NL3D::CPatch::computeNormalCornerSmooth(), NL3D::CPatch::computeNormalEdgeSmooth(), NL3D::CPatch::computeNormalOnNeighbor(), and NL3D::CPatch::computeTileLightmapPixelAroundCorner().

bool NL3D::CPatchUVLocator::sameEdgeOrder ( ) const [inline]

return true only if the 2 edges have same number of tiles.

bind 1/X case: return true only if ALL the adjacents patchs respect this rule. So you are sure that for all the src patch, one tile has exaclty one neighbor tile near him.

Definition at line 64 of file patchuv_locator.h.

References _SameEdgeOrder.

Referenced by NL3D::CZoneCornerSmoother::buildPatchBindInfo(), and NL3D::CPatch::computeNearBlockLightmap().

uint NL3D::CPatchUVLocator::selectPatch ( const NLMISC::CVector2f & uvIn )