QcSignTextCache Class

The text quads of the signs of the loaded chunks (decision E-766), kept from frame to frame: a sign's quads are built again only when its text or its colour (decision E-830), its block (state) or its light changes, or when the atlas they are cut from is replaced. More...

Header: #include <clientcore/entitymeshes/QcSignTextCache.h>

List of all members, including inherited members

Public Functions

int	builds() const
void	clear()
const std::vector<QcSignTextMesher::Quad> &	quads(QcBlockPos pos, QcBlockId block, QcEntityLight light, const QcContentRegistry &content, const QcEntityMesher::UvLookup &uv)
void	setSigns(const QHash<QcBlockPos, QcSignText::Text> &signs, quint64 generation)
QList<QcBlockPos>	signsNear(const QcVec3 &viewer, double distance) const

Detailed Description

The signs are grouped by chunk, so a frame looks only at the chunks within the draw distance instead of at every sign.

Member Function Documentation

int QcSignTextCache::builds() const

Returns how often quads were built since the cache was made (tests and measurements).

void QcSignTextCache::clear()

Forgets every sign and built quad: the atlas or the world changed.

const std::vector<QcSignTextMesher::Quad> &QcSignTextCache::quads(QcBlockPos pos, QcBlockId block, QcEntityLight light, const QcContentRegistry &content, const QcEntityMesher::UvLookup &uv)

Returns the quads of the sign at pos, shown by block block in light; built with content and uv when the block or the light differ from the last call. Empty for unknown positions and blocks that are no signs. Positions are relative to the corner of the sign's block (decision E-883), so they stay exact however far out the sign stands.

void QcSignTextCache::setSigns(const QHash<QcBlockPos, QcSignText::Text> &signs, quint64 generation)

Takes the signs of the loaded chunks; nothing happens while generation is the one of the last call (QcChunkExtras::signGeneration). Built quads of signs whose lines and colour stay are kept.

QList<QcBlockPos> QcSignTextCache::signsNear(const QcVec3 &viewer, double distance) const

Returns the signs in the chunks within distance (metres, horizontally) of viewer, and only those whose middle lies within distance.

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