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better water

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This commit is contained in:
Perttu Ahola 2010-11-30 15:35:03 +02:00
parent 4a8973aeac
commit 38353751c9
11 changed files with 167 additions and 16 deletions
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62
src/map.cpp
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@ -1046,7 +1046,67 @@ void Map::removeNodeAndUpdate(v3s16 p,
bool node_under_sunlight = true;
v3s16 toppos = p + v3s16(0,1,0);
// Node will be replaced with this
u8 replace_material = MATERIAL_AIR;
{
/*
Find out with what material the node will be replaced.
It will be replaced with the mostly seen buildable_to.
*/
v3s16 dirs[6] = {
v3s16(0,0,1), // back
v3s16(0,1,0), // top
v3s16(1,0,0), // right
v3s16(0,0,-1), // front
v3s16(0,-1,0), // bottom
v3s16(-1,0,0), // left
};
core::map<u8, u16> neighbor_rankings;
for(u32 i=0; i<sizeof(dirs)/sizeof(dirs[0]); i++)
{
try{
MapNode n2 = getNode(p + dirs[i]);
if(material_buildable_to(n2.d))
{
if(neighbor_rankings.find(n2.d) == NULL)
neighbor_rankings[n2.d] = 1;
else
neighbor_rankings[n2.d]
= neighbor_rankings[n2.d] + 1;
}
}
catch(InvalidPositionException &e)
{
}
}
u16 highest_ranking = 0;
for(core::map<u8, u16>::Iterator
i = neighbor_rankings.getIterator();
i.atEnd() == false; i++)
{
u8 m = i.getNode()->getKey();
u8 c = i.getNode()->getValue();
if(
c > highest_ranking ||
// Prefer something else than air
(c >= highest_ranking && m != MATERIAL_AIR)
)
{
replace_material = m;
highest_ranking = c;
}
}
}
/*
If there is a node at top and it doesn't have sunlight,
there will be no sunlight going down.
@ -1073,7 +1133,7 @@ void Map::removeNodeAndUpdate(v3s16 p,
Remove the node
*/
MapNode n;
n.d = MATERIAL_AIR;
n.d = replace_material;
n.setLight(0);
setNode(p, n);