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voxelands
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optimise grass growth code a bit

This commit is contained in:
darkrose 2015-06-16 04:58:03 +10:00
parent 67d6b63cf2
commit 361ab8c8c5
1 changed files with 20 additions and 12 deletions
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32
src/plantgrowth.cpp
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@ -495,18 +495,26 @@ void plantgrowth_grass(ServerEnvironment *env, v3s16 p0)
bool add = false;
{
u8 p = n.param2&0xF0;
MapNode nn = env->getMap().getNodeNoEx(p0+v3s16(0,0,-1));
if (nn.getContent() == c)
p |= 1<<7;
nn = env->getMap().getNodeNoEx(p0+v3s16(0,0,1));
if (nn.getContent() == c)
p |= 1<<6;
nn = env->getMap().getNodeNoEx(p0+v3s16(-1,0,0));
if (nn.getContent() == c)
p |= 1<<5;
nn = env->getMap().getNodeNoEx(p0+v3s16(1,0,0));
if (nn.getContent() == c)
p |= 1<<4;
if ((p&(1<<7)) == 0) {
MapNode nn = env->getMap().getNodeNoEx(p0+v3s16(0,0,-1));
if (nn.getContent() == c)
p |= 1<<7;
}
if ((p&(1<<6)) == 0) {
MapNode nn = env->getMap().getNodeNoEx(p0+v3s16(0,0,1));
if (nn.getContent() == c)
p |= 1<<6;
}
if ((p&(1<<5)) == 0) {
MapNode nn = env->getMap().getNodeNoEx(p0+v3s16(-1,0,0));
if (nn.getContent() == c)
p |= 1<<5;
}
if ((p&(1<<4)) == 0) {
MapNode nn = env->getMap().getNodeNoEx(p0+v3s16(1,0,0));
if (nn.getContent() == c)
p |= 1<<4;
}
if (!n.param2 && p == 0 && myrand_range(0,20) != 0)
return;
if (!n.param2 || p != (n.param2&0xF0)) {