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Optimize lighting calculation (#12797)

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Jude Melton-Houghton 2022-10-09 10:50:26 -04:00 • committed by GitHub
parent 440d966b93
commit 9676364c1f
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GPG key ID: 4AEE18F83AFDEB23
18 changed files with 188 additions and 220 deletions
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89
src/mapnode.cpp
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@ -53,95 +53,6 @@ void MapNode::getColor(const ContentFeatures &f, video::SColor *color) const
*color = f.color;
}
void MapNode::setLight(LightBank bank, u8 a_light, const ContentFeatures &f) noexcept
{
// If node doesn't contain light data, ignore this
if(f.param_type != CPT_LIGHT)
return;
if(bank == LIGHTBANK_DAY)
{
param1 &= 0xf0;
param1 |= a_light & 0x0f;
}
else if(bank == LIGHTBANK_NIGHT)
{
param1 &= 0x0f;
param1 |= (a_light & 0x0f)<<4;
}
else
assert("Invalid light bank" == NULL);
}
void MapNode::setLight(LightBank bank, u8 a_light, const NodeDefManager *nodemgr)
{
setLight(bank, a_light, nodemgr->get(*this));
}
bool MapNode::isLightDayNightEq(const NodeDefManager *nodemgr) const
{
const ContentFeatures &f = nodemgr->get(*this);
bool isEqual;
if (f.param_type == CPT_LIGHT) {
u8 day = MYMAX(f.light_source, param1 & 0x0f);
u8 night = MYMAX(f.light_source, (param1 >> 4) & 0x0f);
isEqual = day == night;
} else {
isEqual = true;
}
return isEqual;
}
u8 MapNode::getLight(LightBank bank, const NodeDefManager *nodemgr) const
{
// Select the brightest of [light source, propagated light]
const ContentFeatures &f = nodemgr->get(*this);
u8 light;
if(f.param_type == CPT_LIGHT)
light = bank == LIGHTBANK_DAY ? param1 & 0x0f : (param1 >> 4) & 0x0f;
else
light = 0;
return MYMAX(f.light_source, light);
}
u8 MapNode::getLightRaw(LightBank bank, const ContentFeatures &f) const noexcept
{
if(f.param_type == CPT_LIGHT)
return bank == LIGHTBANK_DAY ? param1 & 0x0f : (param1 >> 4) & 0x0f;
return 0;
}
u8 MapNode::getLightNoChecks(LightBank bank, const ContentFeatures *f) const noexcept
{
return MYMAX(f->light_source,
bank == LIGHTBANK_DAY ? param1 & 0x0f : (param1 >> 4) & 0x0f);
}
bool MapNode::getLightBanks(u8 &lightday, u8 &lightnight,
const NodeDefManager *nodemgr) const
{
// Select the brightest of [light source, propagated light]
const ContentFeatures &f = nodemgr->get(*this);
if(f.param_type == CPT_LIGHT)
{
lightday = param1 & 0x0f;
lightnight = (param1>>4)&0x0f;
}
else
{
lightday = 0;
lightnight = 0;
}
if(f.light_source > lightday)
lightday = f.light_source;
if(f.light_source > lightnight)
lightnight = f.light_source;
return f.param_type == CPT_LIGHT || f.light_source != 0;
}
u8 MapNode::getFaceDir(const NodeDefManager *nodemgr,
bool allow_wallmounted) const
{