oss/luanti
oss/luanti
1
0
Fork 0
mirror of https://github.com/luanti-org/luanti.git synced 2025-06-27 16:36:03 +00:00
Code Wiki Activity

before daynight mesh cache

Browse source
This commit is contained in:
Perttu Ahola 2010-12-18 17:46:00 +02:00
parent 15a43c5ed0
commit 240499dc2c
13 changed files with 442 additions and 216 deletions
Download patch file Download diff file Expand all files Collapse all files

69
src/mapnode.h
View file

@ -280,6 +280,12 @@ inline u16 content_tile(u8 c, v3s16 dir)
return g_content_tiles[c][dir_i];
}
enum LightBank
{
LIGHTBANK_DAY,
LIGHTBANK_NIGHT
};
struct MapNode
{
// Content
@ -352,24 +358,77 @@ struct MapNode
return 0;
}
u8 getLight()
u8 getLightBanksWithSource()
{
// Select the brightest of [light source, propagated light]
u8 lightday = 0;
u8 lightnight = 0;
if(light_propagates())
{
lightday = param & 0x0f;
lightnight = (param>>4)&0x0f;
}
if(light_source() > lightday)
lightday = light_source();
if(light_source() > lightnight)
lightnight = light_source();
return (lightday&0x0f) | ((lightnight<<4)&0xf0);
}
void setLightBanks(u8 a_light)
{
param = a_light;
}
u8 getLight(enum LightBank bank)
{
// Select the brightest of [light source, propagated light]
u8 light = 0;
if(light_propagates())
light = param & 0x0f;
{
if(bank == LIGHTBANK_DAY)
light = param & 0x0f;
else if(bank == LIGHTBANK_NIGHT)
light = (param>>4)&0x0f;
else
assert(0);
}
if(light_source() > light)
light = light_source();
return light;
}
// 0 <= daylight_factor <= 1000
u8 getLightBlend(u32 daylight_factor)
{
u8 l = ((daylight_factor * getLight(LIGHTBANK_DAY)
+ (1000-daylight_factor) * getLight(LIGHTBANK_NIGHT))
)/1000;
u8 max = LIGHT_MAX;
if(getLight(LIGHTBANK_DAY) == LIGHT_SUN)
max = LIGHT_SUN;
if(l > max)
l = max;
return l;
}
void setLight(u8 a_light)
void setLight(enum LightBank bank, u8 a_light)
{
// If not transparent, can't set light
if(light_propagates() == false)
return;
param &= 0xf0;
param |= a_light;
if(bank == LIGHTBANK_DAY)
{
param &= 0xf0;
param |= a_light & 0x0f;
}
else if(bank == LIGHTBANK_NIGHT)
{
param &= 0x0f;
param |= (a_light & 0x0f)<<4;
}
else
assert(0);
}
u16 getTile(v3s16 dir)