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better grass generation (integration to sunlight propagation algorithms)

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This commit is contained in:
Perttu Ahola
2010-12-26 14:34:34 +02:00
parent c32da52104
commit 847a4227b8
3 changed files with 90 additions and 29 deletions
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23
src/mapblock.cpp
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@ -860,7 +860,9 @@ void MapBlock::updateMesh(u32 daynight_ratio)
is_underground is set.
At the moment, all sunlighted nodes are added to light_sources.
TODO: This could be optimized.
- SUGG: This could be optimized
Turns sunglighted mud into grass.
*/
bool MapBlock::propagateSunlight(core::map<v3s16, bool> & light_sources)
{
@ -880,10 +882,6 @@ bool MapBlock::propagateSunlight(core::map<v3s16, bool> & light_sources)
MapNode n = getNodeParent(v3s16(x, MAP_BLOCKSIZE, z));
if(n.getLight(LIGHTBANK_DAY) != LIGHT_SUN)
{
/*if(is_underground)
{
no_sunlight = true;
}*/
no_sunlight = true;
}
}
@ -891,15 +889,14 @@ bool MapBlock::propagateSunlight(core::map<v3s16, bool> & light_sources)
{
no_top_block = true;
// TODO: This makes over-ground roofed places sunlighted
// NOTE: This makes over-ground roofed places sunlighted
// Assume sunlight, unless is_underground==true
if(is_underground)
{
no_sunlight = true;
}
// TODO: There has to be some way to allow this behaviour
// As of now, it just makes everything dark.
// NOTE: As of now, it just would make everything dark.
// No sunlight here
//no_sunlight = true;
}
@ -928,7 +925,15 @@ bool MapBlock::propagateSunlight(core::map<v3s16, bool> & light_sources)
light_sources.insert(pos_relative + pos, true);
}
else{
else
{
// Turn mud into grass
if(n.d == CONTENT_MUD)
{
n.d = CONTENT_GRASS;
}
// Sunlight goes no further
break;
}
}