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Optimize lighting calculation (#12797)

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This commit is contained in:
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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21
src/client/clientmap.cpp
View File

@ -527,8 +527,8 @@ static bool getVisibleBrightness(Map *map, const v3f &p0, v3f dir, float step,
{
v3s16 p = floatToInt(p0 /*+ dir * 3*BS*/, BS);
MapNode n = map->getNode(p);
if(ndef->get(n).param_type == CPT_LIGHT &&
!ndef->get(n).sunlight_propagates)
if(ndef->getLightingFlags(n).has_light &&
!ndef->getLightingFlags(n).sunlight_propagates)
allow_allowing_non_sunlight_propagates = true;
}
// If would start at CONTENT_IGNORE, start closer
@ -549,15 +549,13 @@ static bool getVisibleBrightness(Map *map, const v3f &p0, v3f dir, float step,
v3s16 p = floatToInt(pf, BS);
MapNode n = map->getNode(p);
ContentLightingFlags f = ndef->getLightingFlags(n);
if (allow_allowing_non_sunlight_propagates && i == 0 &&
ndef->get(n).param_type == CPT_LIGHT &&
!ndef->get(n).sunlight_propagates) {
f.has_light && !f.sunlight_propagates) {
allow_non_sunlight_propagates = true;
}
if (ndef->get(n).param_type != CPT_LIGHT ||
(!ndef->get(n).sunlight_propagates &&
!allow_non_sunlight_propagates)){
if (!f.has_light || (!f.sunlight_propagates && !allow_non_sunlight_propagates)){
nonlight_seen = true;
noncount++;
if(noncount >= 4)
@ -566,10 +564,10 @@ static bool getVisibleBrightness(Map *map, const v3f &p0, v3f dir, float step,
}
if (distance >= sunlight_min_d && !*sunlight_seen && !nonlight_seen)
if (n.getLight(LIGHTBANK_DAY, ndef) == LIGHT_SUN)
if (n.getLight(LIGHTBANK_DAY, f) == LIGHT_SUN)
*sunlight_seen = true;
noncount = 0;
brightness_sum += decode_light(n.getLightBlend(daylight_factor, ndef));
brightness_sum += decode_light(n.getLightBlend(daylight_factor, f));
brightness_count++;
}
*result = 0;
@ -653,8 +651,9 @@ int ClientMap::getBackgroundBrightness(float max_d, u32 daylight_factor,
int ret = 0;
if(brightness_count == 0){
MapNode n = getNode(floatToInt(m_camera_position, BS));
if(m_nodedef->get(n).param_type == CPT_LIGHT){
ret = decode_light(n.getLightBlend(daylight_factor, m_nodedef));
ContentLightingFlags f = m_nodedef->getLightingFlags(n);
if(f.has_light){
ret = decode_light(n.getLightBlend(daylight_factor, f));
} else {
ret = oldvalue;
}

3
src/client/content_cso.cpp
View File

@ -23,6 +23,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "clientenvironment.h"
#include "client.h"
#include "map.h"
#include "nodedef.h"
class SmokePuffCSO: public ClientSimpleObject
{
@ -50,7 +51,7 @@ public:
bool pos_ok;
MapNode n = env->getMap().getNode(floatToInt(pos, BS), &pos_ok);
light = pos_ok ? decode_light(n.getLightBlend(env->getDayNightRatio(),
env->getGameDef()->ndef()))
env->getGameDef()->ndef()->getLightingFlags(n)))
: 64;
video::SColor color(255,light,light,light);
m_spritenode->setColor(color);

2
src/client/content_mapblock.cpp
View File

@ -472,7 +472,7 @@ void MapblockMeshGenerator::prepareLiquidNodeDrawing()
// it at what it emits, for an increased effect
u8 e = decode_light(f->light_source);
light = LightPair(std::max(e, light.lightDay), std::max(e, light.lightNight));
} else if (nodedef->get(ntop).param_type == CPT_LIGHT) {
} else if (nodedef->getLightingFlags(ntop).has_light) {
// Otherwise, use the light of the node on top if possible
light = LightPair(getInteriorLight(ntop, 0, nodedef));
}

16
src/client/mapblock_mesh.cpp
View File

@ -102,7 +102,7 @@ void MeshMakeData::setSmoothLighting(bool smooth_lighting)
static u8 getInteriorLight(enum LightBank bank, MapNode n, s32 increment,
const NodeDefManager *ndef)
{
u8 light = n.getLight(bank, ndef);
u8 light = n.getLight(bank, ndef->getLightingFlags(n));
if (light > 0)
light = rangelim(light + increment, 0, LIGHT_SUN);
return decode_light(light);
@ -126,17 +126,19 @@ u16 getInteriorLight(MapNode n, s32 increment, const NodeDefManager *ndef)
static u8 getFaceLight(enum LightBank bank, MapNode n, MapNode n2,
v3s16 face_dir, const NodeDefManager *ndef)
{
ContentLightingFlags f1 = ndef->getLightingFlags(n);
ContentLightingFlags f2 = ndef->getLightingFlags(n2);
u8 light;
u8 l1 = n.getLight(bank, ndef);
u8 l2 = n2.getLight(bank, ndef);
u8 l1 = n.getLight(bank, f1);
u8 l2 = n2.getLight(bank, f2);
if(l1 > l2)
light = l1;
else
light = l2;
// Boost light level for light sources
u8 light_source = MYMAX(ndef->get(n).light_source,
ndef->get(n2).light_source);
u8 light_source = MYMAX(f1.light_source, f2.light_source);
if(light_source > light)
light = light_source;
@ -184,8 +186,8 @@ static u16 getSmoothLightCombined(const v3s16 &p,
light_source_max = f.light_source;
// Check f.solidness because fast-style leaves look better this way
if (f.param_type == CPT_LIGHT && f.solidness != 2) {
u8 light_level_day = n.getLightNoChecks(LIGHTBANK_DAY, &f);
u8 light_level_night = n.getLightNoChecks(LIGHTBANK_NIGHT, &f);
u8 light_level_day = n.getLight(LIGHTBANK_DAY, f.getLightingFlags());
u8 light_level_night = n.getLight(LIGHTBANK_NIGHT, f.getLightingFlags());
if (light_level_day == LIGHT_SUN)
direct_sunlight = true;
light_day += decode_light(light_level_day);

3
src/client/particles.cpp
View File

@ -265,7 +265,8 @@ void Particle::updateLight()
);
MapNode n = m_env->getClientMap().getNode(p, &pos_ok);
if (pos_ok)
light = n.getLightBlend(m_env->getDayNightRatio(), m_gamedef->ndef());
light = n.getLightBlend(m_env->getDayNightRatio(),
m_gamedef->ndef()->getLightingFlags(n));
else
light = blend_light(m_env->getDayNightRatio(), LIGHT_SUN, 0);

21
src/map.cpp
View File

@ -213,19 +213,19 @@ void Map::addNodeAndUpdate(v3s16 p, MapNode n,
}
// Set the node on the map
const ContentFeatures &cf = m_nodedef->get(n);
const ContentFeatures &oldcf = m_nodedef->get(oldnode);
if (cf.lightingEquivalent(oldcf)) {
ContentLightingFlags f = m_nodedef->getLightingFlags(n);
ContentLightingFlags oldf = m_nodedef->getLightingFlags(oldnode);
if (f == oldf) {
// No light update needed, just copy over the old light.
n.setLight(LIGHTBANK_DAY, oldnode.getLightRaw(LIGHTBANK_DAY, oldcf), cf);
n.setLight(LIGHTBANK_NIGHT, oldnode.getLightRaw(LIGHTBANK_NIGHT, oldcf), cf);
n.setLight(LIGHTBANK_DAY, oldnode.getLightRaw(LIGHTBANK_DAY, oldf), f);
n.setLight(LIGHTBANK_NIGHT, oldnode.getLightRaw(LIGHTBANK_NIGHT, oldf), f);
set_node_in_block(block, relpos, n);
modified_blocks[blockpos] = block;
} else {
// Ignore light (because calling voxalgo::update_lighting_nodes)
n.setLight(LIGHTBANK_DAY, 0, cf);
n.setLight(LIGHTBANK_NIGHT, 0, cf);
n.setLight(LIGHTBANK_DAY, 0, f);
n.setLight(LIGHTBANK_NIGHT, 0, f);
set_node_in_block(block, relpos, n);
// Update lighting
@ -780,8 +780,9 @@ void ServerMap::transformLiquids(std::map<v3s16, MapBlock*> &modified_blocks,
}
// Ignore light (because calling voxalgo::update_lighting_nodes)
n0.setLight(LIGHTBANK_DAY, 0, m_nodedef);
n0.setLight(LIGHTBANK_NIGHT, 0, m_nodedef);
ContentLightingFlags f0 = m_nodedef->getLightingFlags(n0);
n0.setLight(LIGHTBANK_DAY, 0, f0);
n0.setLight(LIGHTBANK_NIGHT, 0, f0);
// Find out whether there is a suspect for this action
std::string suspect;
@ -1122,7 +1123,7 @@ bool Map::isOccluded(const v3s16 &pos_camera, const v3s16 &pos_target,
MapNode node = getNode(pos_node, &is_valid_position);
if (is_valid_position &&
!m_nodedef->get(node).light_propagates) {
!m_nodedef->getLightingFlags(node).light_propagates) {
// Cannot see through light-blocking nodes --> occluded
count++;
if (count >= needed_count)

2
src/mapblock.cpp
View File

@ -180,7 +180,7 @@ void MapBlock::actuallyUpdateDayNightDiff()
if (n == previous_n)
continue;
differs = !n.isLightDayNightEq(nodemgr);
differs = !n.isLightDayNightEq(nodemgr->getLightingFlags(n));
if (differs)
break;
previous_n = n;

6
src/mapgen/mapgen.cpp
View File

@ -450,7 +450,7 @@ void Mapgen::lightSpread(VoxelArea &a, std::queue<std::pair<v3s16, u8>> &queue,
// we hit a solid block that light cannot pass through.
if ((light_day <= (n.param1 & 0x0F) &&
light_night <= (n.param1 & 0xF0)) ||
!ndef->get(n).light_propagates)
!ndef->getLightingFlags(n).light_propagates)
return;
// MYMAX still needed here because we only exit early if both banks have
@ -500,7 +500,7 @@ void Mapgen::propagateSunlight(v3s16 nmin, v3s16 nmax, bool propagate_shadow)
for (int y = a.MaxEdge.Y; y >= a.MinEdge.Y; y--) {
MapNode &n = vm->m_data[i];
if (!ndef->get(n).sunlight_propagates)
if (!ndef->getLightingFlags(n).sunlight_propagates)
break;
n.param1 = LIGHT_SUN;
VoxelArea::add_y(em, i, -1);
@ -525,7 +525,7 @@ void Mapgen::spreadLight(const v3s16 &nmin, const v3s16 &nmax)
if (n.getContent() == CONTENT_IGNORE)
continue;
const ContentFeatures &cf = ndef->get(n);
ContentLightingFlags cf = ndef->getLightingFlags(n);
if (!cf.light_propagates)
continue;

2
src/mapgen/mapgen_singlenode.cpp
View File

@ -39,7 +39,7 @@ MapgenSinglenode::MapgenSinglenode(MapgenParams *params, EmergeParams *emerge)
c_node = CONTENT_AIR;
MapNode n_node(c_node);
set_light = (ndef->get(n_node).sunlight_propagates) ? LIGHT_SUN : 0x00;
set_light = (ndef->getLightingFlags(n_node).sunlight_propagates) ? LIGHT_SUN : 0x00;
}

89
src/mapnode.cpp
View File

@ -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
{

84
src/mapnode.h
View File

@ -35,6 +35,7 @@ class Map;
- Tile = TileSpec at some side of a node of some content type
*/
typedef u16 content_t;
#define CONTENT_MAX UINT16_MAX
/*
The maximum node ID that can be registered by mods. This must
@ -71,6 +72,25 @@ typedef u16 content_t;
*/
#define CONTENT_IGNORE 127
/*
Content lighting information that fits into a single byte.
*/
struct ContentLightingFlags {
u8 light_source : 4;
bool has_light : 1;
bool light_propagates : 1;
bool sunlight_propagates : 1;
bool operator==(const ContentLightingFlags &other) const
{
return has_light == other.has_light && light_propagates == other.light_propagates &&
sunlight_propagates == other.sunlight_propagates &&
light_source == other.light_source;
}
bool operator!=(const ContentLightingFlags &other) const { return !(*this == other); }
};
static_assert(sizeof(ContentLightingFlags) == 1, "Unexpected ContentLightingFlags size");
enum LightBank
{
LIGHTBANK_DAY,
@ -187,53 +207,55 @@ struct MapNode
*/
void getColor(const ContentFeatures &f, video::SColor *color) const;
void setLight(LightBank bank, u8 a_light, const ContentFeatures &f) noexcept;
void setLight(LightBank bank, u8 a_light, const NodeDefManager *nodemgr);
inline void setLight(LightBank bank, u8 a_light, ContentLightingFlags f) noexcept
{
// If node doesn't contain light data, ignore this
if (!f.has_light)
return;
if (bank == LIGHTBANK_DAY) {
param1 &= 0xf0;
param1 |= a_light & 0x0f;
} else {
assert(bank == LIGHTBANK_NIGHT);
param1 &= 0x0f;
param1 |= (a_light & 0x0f)<<4;
}
}
/**
* Check if the light value for night differs from the light value for day.
*
* @return If the light values are equal, returns true; otherwise false
*/
bool isLightDayNightEq(const NodeDefManager *nodemgr) const;
inline bool isLightDayNightEq(ContentLightingFlags f) const noexcept
{
return !f.has_light || getLight(LIGHTBANK_DAY, f) == getLight(LIGHTBANK_NIGHT, f);
}
u8 getLight(LightBank bank, const NodeDefManager *nodemgr) const;
inline u8 getLight(LightBank bank, ContentLightingFlags f) const noexcept
{
u8 raw_light = getLightRaw(bank, f);
return MYMAX(f.light_source, raw_light);
}
/*!
* Returns the node's light level from param1.
* If the node emits light, it is ignored.
* \param f the ContentFeatures of this node.
* \param f the ContentLightingFlags of this node.
*/
u8 getLightRaw(LightBank bank, const ContentFeatures &f) const noexcept;
/**
* This function differs from getLight(LightBank bank, NodeDefManager *nodemgr)
* in that the ContentFeatures of the node in question are not retrieved by
* the function itself. Thus, if you have already called nodemgr->get() to
* get the ContentFeatures you pass it to this function instead of the
* function getting ContentFeatures itself. Since NodeDefManager::get()
* is relatively expensive this can lead to significant performance
* improvements in some situations. Call this function if (and only if)
* you have already retrieved the ContentFeatures by calling
* NodeDefManager::get() for the node you're working with and the
* pre-conditions listed are true.
*
* @pre f != NULL
* @pre f->param_type == CPT_LIGHT
*/
u8 getLightNoChecks(LightBank bank, const ContentFeatures *f) const noexcept;
bool getLightBanks(u8 &lightday, u8 &lightnight,
const NodeDefManager *nodemgr) const;
inline u8 getLightRaw(LightBank bank, ContentLightingFlags f) const noexcept
{
if(f.has_light)
return bank == LIGHTBANK_DAY ? param1 & 0x0f : (param1 >> 4) & 0x0f;
return 0;
}
// 0 <= daylight_factor <= 1000
// 0 <= return value <= LIGHT_SUN
u8 getLightBlend(u32 daylight_factor, const NodeDefManager *nodemgr) const
u8 getLightBlend(u32 daylight_factor, ContentLightingFlags f) const
{
u8 lightday = 0;
u8 lightnight = 0;
getLightBanks(lightday, lightnight, nodemgr);
u8 lightday = getLight(LIGHTBANK_DAY, f);
u8 lightnight = getLight(LIGHTBANK_NIGHT, f);
return blend_light(daylight_factor, lightday, lightnight);
}

6
src/nodedef.cpp
View File

@ -1098,6 +1098,8 @@ void NodeDefManager::clear()
// Insert directly into containers
content_t c = CONTENT_UNKNOWN;
m_content_features[c] = f;
for (u32 ci = 0; ci <= CONTENT_MAX; ci++)
m_content_lighting_flag_cache[ci] = f.getLightingFlags();
addNameIdMapping(c, f.name);
}
@ -1118,6 +1120,7 @@ void NodeDefManager::clear()
// Insert directly into containers
content_t c = CONTENT_AIR;
m_content_features[c] = f;
m_content_lighting_flag_cache[c] = f.getLightingFlags();
addNameIdMapping(c, f.name);
}
@ -1137,6 +1140,7 @@ void NodeDefManager::clear()
// Insert directly into containers
content_t c = CONTENT_IGNORE;
m_content_features[c] = f;
m_content_lighting_flag_cache[c] = f.getLightingFlags();
addNameIdMapping(c, f.name);
}
}
@ -1389,6 +1393,7 @@ content_t NodeDefManager::set(const std::string &name, const ContentFeatures &de
eraseIdFromGroups(id);
m_content_features[id] = def;
m_content_lighting_flag_cache[id] = def.getLightingFlags();
verbosestream << "NodeDefManager: registering content id \"" << id
<< "\": name=\"" << def.name << "\""<<std::endl;
@ -1601,6 +1606,7 @@ void NodeDefManager::deSerialize(std::istream &is, u16 protocol_version)
if (i >= m_content_features.size())
m_content_features.resize((u32)(i) + 1);
m_content_features[i] = f;
m_content_lighting_flag_cache[i] = f.getLightingFlags();
addNameIdMapping(i, f.name);
TRACESTREAM(<< "NodeDef: deserialized " << f.name << std::endl);

25
src/nodedef.h
View File

@ -505,10 +505,13 @@ struct ContentFeatures
liquid_alternative_source_id == f.liquid_alternative_source_id;
}
bool lightingEquivalent(const ContentFeatures &other) const {
return light_propagates == other.light_propagates
&& sunlight_propagates == other.sunlight_propagates
&& light_source == other.light_source;
ContentLightingFlags getLightingFlags() const {
ContentLightingFlags flags;
flags.has_light = param_type == CPT_LIGHT;
flags.light_propagates = light_propagates;
flags.sunlight_propagates = sunlight_propagates;
flags.light_source = light_source;
return flags;
}
int getGroup(const std::string &group) const
@ -580,6 +583,15 @@ public:
return get(n.getContent());
}
inline ContentLightingFlags getLightingFlags(content_t c) const {
// No bound check is necessary, since the array's length is CONTENT_MAX + 1.
return m_content_lighting_flag_cache[c];
}
inline ContentLightingFlags getLightingFlags(const MapNode &n) const {
return getLightingFlags(n.getContent());
}
/*!
* Returns the node properties for a node name.
* @param name name of a node
@ -826,6 +838,11 @@ private:
* Even constant NodeDefManager instances can register listeners.
*/
mutable std::vector<NodeResolver *> m_pending_resolve_callbacks;
/*!
* Fast cache of content lighting flags.
*/
ContentLightingFlags m_content_lighting_flag_cache[CONTENT_MAX + 1L];
};
NodeDefManager *createNodeDefManager();

2
src/script/lua_api/l_env.cpp
View File

@ -379,7 +379,7 @@ int ModApiEnvMod::l_get_node_light(lua_State *L)
MapNode n = env->getMap().getNode(pos, &is_position_ok);
if (is_position_ok) {
const NodeDefManager *ndef = env->getGameDef()->ndef();
lua_pushinteger(L, n.getLightBlend(dnr, ndef));
lua_pushinteger(L, n.getLightBlend(dnr, ndef->getLightingFlags(n)));
} else {
lua_pushnil(L);
}

5
src/unittest/test_mapnode.cpp
View File

@ -47,9 +47,10 @@ void TestMapNode::testNodeProperties(const NodeDefManager *nodedef)
{
MapNode n(CONTENT_AIR);
ContentLightingFlags f = nodedef->getLightingFlags(n);
UASSERT(n.getContent() == CONTENT_AIR);
UASSERT(n.getLight(LIGHTBANK_DAY, nodedef) == 0);
UASSERT(n.getLight(LIGHTBANK_NIGHT, nodedef) == 0);
UASSERT(n.getLight(LIGHTBANK_DAY, f) == 0);
UASSERT(n.getLight(LIGHTBANK_NIGHT, f) == 0);
// Transparency
n.setContent(CONTENT_AIR);

20
src/unittest/test_voxelalgorithms.cpp
View File

@ -138,27 +138,27 @@ void TestVoxelAlgorithms::testLighting(IGameDef *gamedef)
const NodeDefManager *ndef = gamedef->ndef();
{
MapNode n = map.getNode(v3s16(9, 9, -9));
UASSERTEQ(int, n.getLight(LIGHTBANK_NIGHT, ndef), 0);
UASSERTEQ(int, n.getLight(LIGHTBANK_DAY, ndef), 13);
UASSERTEQ(int, n.getLight(LIGHTBANK_NIGHT, ndef->getLightingFlags(n)), 0);
UASSERTEQ(int, n.getLight(LIGHTBANK_DAY, ndef->getLightingFlags(n)), 13);
}
{
MapNode n = map.getNode(v3s16(0, 1, 0));
UASSERTEQ(int, n.getLight(LIGHTBANK_NIGHT, ndef), 12);
UASSERTEQ(int, n.getLight(LIGHTBANK_DAY, ndef), 12);
UASSERTEQ(int, n.getLight(LIGHTBANK_NIGHT, ndef->getLightingFlags(n)), 12);
UASSERTEQ(int, n.getLight(LIGHTBANK_DAY, ndef->getLightingFlags(n)), 12);
}
{
MapNode n = map.getNode(v3s16(-9, -1, 0));
UASSERTEQ(int, n.getLight(LIGHTBANK_NIGHT, ndef), 3);
UASSERTEQ(int, n.getLight(LIGHTBANK_DAY, ndef), 12);
UASSERTEQ(int, n.getLight(LIGHTBANK_NIGHT, ndef->getLightingFlags(n)), 3);
UASSERTEQ(int, n.getLight(LIGHTBANK_DAY, ndef->getLightingFlags(n)), 12);
}
{
MapNode n = map.getNode(v3s16(-10, 0, 0));
UASSERTEQ(int, n.getLight(LIGHTBANK_NIGHT, ndef), 3);
UASSERTEQ(int, n.getLight(LIGHTBANK_DAY, ndef), 14);
UASSERTEQ(int, n.getLight(LIGHTBANK_NIGHT, ndef->getLightingFlags(n)), 3);
UASSERTEQ(int, n.getLight(LIGHTBANK_DAY, ndef->getLightingFlags(n)), 14);
}
{
MapNode n = map.getNode(v3s16(-11, 0, 0));
UASSERTEQ(int, n.getLight(LIGHTBANK_NIGHT, ndef), 2);
UASSERTEQ(int, n.getLight(LIGHTBANK_DAY, ndef), 15);
UASSERTEQ(int, n.getLight(LIGHTBANK_NIGHT, ndef->getLightingFlags(n)), 2);
UASSERTEQ(int, n.getLight(LIGHTBANK_DAY, ndef->getLightingFlags(n)), 15);
}
}

2
src/voxel.cpp
View File

@ -110,7 +110,7 @@ void VoxelManipulator::print(std::ostream &o, const NodeDefManager *ndef,
c = 'X';
else
{
u8 light = n.getLight(LIGHTBANK_DAY, ndef);
u8 light = n.getLight(LIGHTBANK_DAY, ndef->getLightingFlags(n));
if(light < 10)
c = '0' + light;
else

99
src/voxelalgorithms.cpp
View File

@ -268,7 +268,7 @@ void unspread_light(Map *map, const NodeDefManager *nodemgr, LightBank bank,
// The current node
const MapNode &node = current.block->getNodeNoCheck(
current.rel_position, &is_valid_position);
const ContentFeatures &f = nodemgr->get(node);
ContentLightingFlags f = nodemgr->getLightingFlags(node);
// If the node emits light, it behaves like it had a
// brighter neighbor.
u8 brightest_neighbor_light = f.light_source + 1;
@ -296,7 +296,7 @@ void unspread_light(Map *map, const NodeDefManager *nodemgr, LightBank bank,
// Get the neighbor itself
MapNode neighbor = neighbor_block->getNodeNoCheck(neighbor_rel_pos,
&is_valid_position);
const ContentFeatures &neighbor_f = nodemgr->get(
ContentLightingFlags neighbor_f = nodemgr->getLightingFlags(
neighbor.getContent());
u8 neighbor_light = neighbor.getLightRaw(bank, neighbor_f);
// If the neighbor has at least as much light as this node, then
@ -386,7 +386,7 @@ void spread_light(Map *map, const NodeDefManager *nodemgr, LightBank bank,
// Get the neighbor itself
MapNode neighbor = neighbor_block->getNodeNoCheck(neighbor_rel_pos,
&is_valid_position);
const ContentFeatures &f = nodemgr->get(neighbor.getContent());
ContentLightingFlags f = nodemgr->getLightingFlags(neighbor);
if (f.light_propagates) {
// Light up the neighbor, if it has less light than it should.
u8 neighbor_light = neighbor.getLightRaw(bank, f);
@ -454,10 +454,13 @@ bool is_sunlight_above(Map *map, v3s16 pos, const NodeDefManager *ndef)
if (source_block->getIsUnderground()) {
sunlight = false;
}
} else if (above.getLight(LIGHTBANK_DAY, ndef) != LIGHT_SUN) {
// If the node above doesn't have sunlight, this
// node is in shadow.
sunlight = false;
} else {
ContentLightingFlags above_f = ndef->getLightingFlags(above);
if (above.getLight(LIGHTBANK_DAY, above_f) != LIGHT_SUN) {
// If the node above doesn't have sunlight, this
// node is in shadow.
sunlight = false;
}
}
}
}
@ -483,7 +486,7 @@ void update_lighting_nodes(Map *map,
// modified node.
u8 min_safe_light = 0;
for (auto it = oldnodes.cbegin(); it < oldnodes.cend(); ++it) {
u8 old_light = it->second.getLight(bank, ndef);
u8 old_light = it->second.getLight(bank, ndef->getLightingFlags(it->second));
if (old_light > min_safe_light) {
min_safe_light = old_light;
}
@ -511,25 +514,26 @@ void update_lighting_nodes(Map *map,
}
// Light of the old node
u8 old_light = it->second.getLight(bank, ndef);
u8 old_light = it->second.getLight(bank, ndef->getLightingFlags(it->second));
// Add the block of the added node to modified_blocks
modified_blocks[block_pos] = block;
// Get new light level of the node
u8 new_light = 0;
if (ndef->get(n).light_propagates) {
if (bank == LIGHTBANK_DAY && ndef->get(n).sunlight_propagates
ContentLightingFlags f = ndef->getLightingFlags(n);
if (f.light_propagates) {
if (bank == LIGHTBANK_DAY && f.sunlight_propagates
&& is_sunlight_above(map, p, ndef)) {
new_light = LIGHT_SUN;
} else {
new_light = ndef->get(n).light_source;
new_light = f.light_source;
for (const v3s16 &neighbor_dir : neighbor_dirs) {
v3s16 p2 = p + neighbor_dir;
bool is_valid;
MapNode n2 = map->getNode(p2, &is_valid);
if (is_valid) {
u8 spread = n2.getLight(bank, ndef);
u8 spread = n2.getLight(bank, ndef->getLightingFlags(n2));
// If it is sure that the neighbor won't be
// unlighted, its light can spread to this node.
if (spread > new_light && spread >= min_safe_light) {
@ -540,7 +544,7 @@ void update_lighting_nodes(Map *map,
}
} else {
// If this is an opaque node, it still can emit light.
new_light = ndef->get(n).light_source;
new_light = f.light_source;
}
if (new_light > 0) {
@ -552,7 +556,7 @@ void update_lighting_nodes(Map *map,
// light as the previous one, so it must be unlighted.
// Add to unlight queue
n.setLight(bank, 0, ndef);
n.setLight(bank, 0, f);
block->setNodeNoCheck(rel_pos, n);
disappearing_lights.push(old_light, rel_pos, block_pos, block,
6);
@ -570,11 +574,12 @@ void update_lighting_nodes(Map *map,
// If this node doesn't have sunlight, the nodes below
// it don't have too.
if (n2.getLight(LIGHTBANK_DAY, ndef) != LIGHT_SUN) {
ContentLightingFlags f2 = ndef->getLightingFlags(n2);
if (n2.getLight(LIGHTBANK_DAY, f2) != LIGHT_SUN) {
break;
}
// Remove sunlight and add to unlight queue.
n2.setLight(LIGHTBANK_DAY, 0, ndef);
n2.setLight(LIGHTBANK_DAY, 0, f2);
map->setNode(n2pos, n2);
relative_v3 rel_pos2;
mapblock_v3 block_pos2;
@ -602,11 +607,12 @@ void update_lighting_nodes(Map *map,
// This should not happen, but if the node has sunlight
// then the iteration should stop.
if (n2.getLight(LIGHTBANK_DAY, ndef) == LIGHT_SUN) {
ContentLightingFlags f2 = ndef->getLightingFlags(n2);
if (n2.getLight(LIGHTBANK_DAY, f2) == LIGHT_SUN) {
break;
}
// If the node terminates sunlight, stop.
if (!ndef->get(n2).sunlight_propagates) {
if (!f2.sunlight_propagates) {
break;
}
relative_v3 rel_pos2;
@ -632,7 +638,7 @@ void update_lighting_nodes(Map *map,
it < lights.end(); ++it) {
MapNode n = it->block->getNodeNoCheck(it->rel_position,
&is_valid_position);
n.setLight(bank, i, ndef);
n.setLight(bank, i, ndef->getLightingFlags(n));
it->block->setNodeNoCheck(it->rel_position, n);
}
}
@ -667,17 +673,17 @@ bool is_light_locally_correct(Map *map, const NodeDefManager *ndef,
{
bool is_valid_position;
MapNode n = map->getNode(pos, &is_valid_position);
const ContentFeatures &f = ndef->get(n);
if (f.param_type != CPT_LIGHT) {
ContentLightingFlags f = ndef->getLightingFlags(n);
if (!f.has_light) {
return true;
}
u8 light = n.getLightNoChecks(bank, &f);
u8 light = n.getLight(bank, f);
assert(f.light_source <= LIGHT_MAX);
u8 brightest_neighbor = f.light_source + 1;
for (const v3s16 &neighbor_dir : neighbor_dirs) {
MapNode n2 = map->getNode(pos + neighbor_dir,
&is_valid_position);
u8 light2 = n2.getLight(bank, ndef);
u8 light2 = n2.getLight(bank, ndef->getLightingFlags(n2));
if (brightest_neighbor < light2) {
brightest_neighbor = light2;
}
@ -725,14 +731,15 @@ void update_block_border_lighting(Map *map, MapBlock *block,
for (s32 y = a.MinEdge.Y; y <= a.MaxEdge.Y; y++) {
MapNode n = b->getNodeNoCheck(x, y, z,
&is_valid_position);
u8 light = n.getLight(bank, ndef);
ContentLightingFlags f = ndef->getLightingFlags(n);
u8 light = n.getLight(bank, f);
// Sunlight is fixed
if (light < LIGHT_SUN) {
// Unlight if not correct
if (!is_light_locally_correct(map, ndef, bank,
v3s16(x, y, z) + b->getPosRelative())) {
// Initialize for unlighting
n.setLight(bank, 0, ndef);
n.setLight(bank, 0, ndef->getLightingFlags(n));
b->setNodeNoCheck(x, y, z, n);
modified_blocks[b->getPos()]=b;
disappearing_lights.push(light,
@ -753,7 +760,7 @@ void update_block_border_lighting(Map *map, MapBlock *block,
it < lights.end(); ++it) {
MapNode n = it->block->getNodeNoCheck(it->rel_position,
&is_valid_position);
n.setLight(bank, i, ndef);
n.setLight(bank, i, ndef->getLightingFlags(n));
it->block->setNodeNoCheck(it->rel_position, n);
}
}
@ -804,7 +811,7 @@ void fill_with_sunlight(MMVManip *vm, const NodeDefManager *ndef, v2s16 offset,
// Ignore IGNORE nodes, these are not generated yet.
if(n->getContent() == CONTENT_IGNORE)
continue;
const ContentFeatures &f = ndef->get(n->getContent());
ContentLightingFlags f = ndef->getLightingFlags(*n);
if (lig && !f.sunlight_propagates)
// Sunlight is stopped.
lig = false;
@ -857,7 +864,8 @@ void is_sunlight_above_block(Map *map, mapblock_v3 pos,
// Get the bottom block.
MapNode above = source_block->getNodeNoCheck(x, 0, z,
&is_valid_position);
light[z][x] = above.getLight(LIGHTBANK_DAY, ndef) == LIGHT_SUN;
ContentLightingFlags above_f = ndef->getLightingFlags(above);
light[z][x] = above.getLight(LIGHTBANK_DAY, above_f) == LIGHT_SUN;
}
}
}
@ -897,7 +905,7 @@ bool propagate_block_sunlight(Map *map, const NodeDefManager *ndef,
// For each node downwards:
for (; current_pos.Y >= 0; current_pos.Y--) {
MapNode n = block->getNodeNoCheck(current_pos, &is_valid);
const ContentFeatures &f = ndef->get(n);
ContentLightingFlags f = ndef->getLightingFlags(n);
if (n.getLightRaw(LIGHTBANK_DAY, f) < LIGHT_SUN
&& f.sunlight_propagates) {
// This node gets sunlight.
@ -916,7 +924,7 @@ bool propagate_block_sunlight(Map *map, const NodeDefManager *ndef,
// For each node downwards:
for (; current_pos.Y >= 0; current_pos.Y--) {
MapNode n = block->getNodeNoCheck(current_pos, &is_valid);
const ContentFeatures &f = ndef->get(n);
ContentLightingFlags f = ndef->getLightingFlags(n);
if (n.getLightRaw(LIGHTBANK_DAY, f) == LIGHT_SUN) {
// The sunlight is no longer valid.
n.setLight(LIGHTBANK_DAY, 0, f);
@ -1007,13 +1015,13 @@ void finish_bulk_light_update(Map *map, mapblock_v3 minblock,
for (relpos.Z = 0; relpos.Z < MAP_BLOCKSIZE; relpos.Z++)
for (relpos.Y = 0; relpos.Y < MAP_BLOCKSIZE; relpos.Y++) {
MapNode node = block->getNodeNoCheck(relpos.X, relpos.Y, relpos.Z, &is_valid);
const ContentFeatures &f = ndef->get(node);
ContentLightingFlags f = ndef->getLightingFlags(node);
// For each light bank
for (size_t b = 0; b < 2; b++) {
LightBank bank = banks[b];
u8 light = f.param_type == CPT_LIGHT ?
node.getLightNoChecks(bank, &f):
u8 light = f.has_light ?
node.getLight(bank, f):
f.light_source;
if (light > 1)
relight[b].push(light, relpos, blockpos, block, 6);
@ -1035,7 +1043,7 @@ void finish_bulk_light_update(Map *map, mapblock_v3 minblock,
it < lights.end(); ++it) {
MapNode n = it->block->getNodeNoCheck(it->rel_position,
&is_valid);
n.setLight(bank, i, ndef);
n.setLight(bank, i, ndef->getLightingFlags(n));
it->block->setNodeNoCheck(it->rel_position, n);
}
}
@ -1110,19 +1118,18 @@ void blit_back_with_light(Map *map, MMVManip *vm,
// Get old and new node
MapNode oldnode = block->getNodeNoCheck(relpos, &is_valid);
const ContentFeatures &oldf = ndef->get(oldnode);
ContentLightingFlags oldf = ndef->getLightingFlags(oldnode);
MapNode newnode = vm->getNodeNoExNoEmerge(relpos + offset);
const ContentFeatures &newf = oldnode == newnode ? oldf :
ndef->get(newnode);
ContentLightingFlags newf = ndef->getLightingFlags(newnode);
// For each light bank
for (size_t b = 0; b < 2; b++) {
LightBank bank = banks[b];
u8 oldlight = oldf.param_type == CPT_LIGHT ?
oldnode.getLightNoChecks(bank, &oldf):
u8 oldlight = oldf.has_light ?
oldnode.getLight(bank, oldf):
LIGHT_SUN; // no light information, force unlighting
u8 newlight = newf.param_type == CPT_LIGHT ?
newnode.getLightNoChecks(bank, &newf):
u8 newlight = newf.has_light ?
newnode.getLight(bank, newf):
newf.light_source;
// If the new node is dimmer, unlight.
if (oldlight > newlight) {
@ -1172,7 +1179,7 @@ void fill_with_sunlight(MapBlock *block, const NodeDefManager *ndef,
// Ignore IGNORE nodes, these are not generated yet.
if (n.getContent() == CONTENT_IGNORE)
continue;
const ContentFeatures &f = ndef->get(n.getContent());
ContentLightingFlags f = ndef->getLightingFlags(n);
if (lig && !f.sunlight_propagates) {
// Sunlight is stopped.
lig = false;
@ -1239,12 +1246,12 @@ void repair_block_light(Map *map, MapBlock *block,
// Get node
MapNode node = block->getNodeNoCheck(relpos, &is_valid);
const ContentFeatures &f = ndef->get(node);
ContentLightingFlags f = ndef->getLightingFlags(node);
// For each light bank
for (size_t b = 0; b < 2; b++) {
LightBank bank = banks[b];
u8 light = f.param_type == CPT_LIGHT ?
node.getLightNoChecks(bank, &f):
u8 light = f.has_light ?
node.getLight(bank, f):
f.light_source;
// If the new node is dimmer than sunlight, unlight.
// (if it has maximal light, it is pointless to remove