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

364
src/map.cpp
View file

@ -210,7 +210,8 @@ bool Map::isNodeUnderground(v3s16 p)
values of from_nodes are lighting values.
*/
void Map::unspreadLight(core::map<v3s16, u8> & from_nodes,
void Map::unspreadLight(enum LightBank bank,
core::map<v3s16, u8> & from_nodes,
core::map<v3s16, bool> & light_sources,
core::map<v3s16, MapBlock*> & modified_blocks)
{
@ -310,19 +311,19 @@ void Map::unspreadLight(core::map<v3s16, u8> & from_nodes,
If the neighbor is dimmer than what was specified
as oldlight (the light of the previous node)
*/
if(n2.getLight() < oldlight)
if(n2.getLight(bank) < oldlight)
{
/*
And the neighbor is transparent and it has some light
*/
if(n2.light_propagates() && n2.getLight() != 0)
if(n2.light_propagates() && n2.getLight(bank) != 0)
{
/*
Set light to 0 and add to queue
*/
u8 current_light = n2.getLight();
n2.setLight(0);
u8 current_light = n2.getLight(bank);
n2.setLight(bank, 0);
block->setNode(relpos, n2);
unlighted_nodes.insert(n2pos, current_light);
@ -371,27 +372,29 @@ void Map::unspreadLight(core::map<v3s16, u8> & from_nodes,
<<std::endl;*/
if(unlighted_nodes.size() > 0)
unspreadLight(unlighted_nodes, light_sources, modified_blocks);
unspreadLight(bank, unlighted_nodes, light_sources, modified_blocks);
}
/*
A single-node wrapper of the above
*/
void Map::unLightNeighbors(v3s16 pos, u8 lightwas,
void Map::unLightNeighbors(enum LightBank bank,
v3s16 pos, u8 lightwas,
core::map<v3s16, bool> & light_sources,
core::map<v3s16, MapBlock*> & modified_blocks)
{
core::map<v3s16, u8> from_nodes;
from_nodes.insert(pos, lightwas);
unspreadLight(from_nodes, light_sources, modified_blocks);
unspreadLight(bank, from_nodes, light_sources, modified_blocks);
}
/*
Lights neighbors of from_nodes, collects all them and then
goes on recursively.
*/
void Map::spreadLight(core::map<v3s16, bool> & from_nodes,
void Map::spreadLight(enum LightBank bank,
core::map<v3s16, bool> & from_nodes,
core::map<v3s16, MapBlock*> & modified_blocks)
{
const v3s16 dirs[6] = {
@ -452,7 +455,7 @@ void Map::spreadLight(core::map<v3s16, bool> & from_nodes,
// Get node straight from the block
MapNode n = block->getNode(relpos);
u8 oldlight = n.getLight();
u8 oldlight = n.getLight(bank);
u8 newlight = diminish_light(oldlight);
// Loop through 6 neighbors
@ -490,7 +493,7 @@ void Map::spreadLight(core::map<v3s16, bool> & from_nodes,
If the neighbor is brighter than the current node,
add to list (it will light up this node on its turn)
*/
if(n2.getLight() > undiminish_light(oldlight))
if(n2.getLight(bank) > undiminish_light(oldlight))
{
lighted_nodes.insert(n2pos, true);
//lighted_nodes.push_back(n2pos);
@ -500,11 +503,11 @@ void Map::spreadLight(core::map<v3s16, bool> & from_nodes,
If the neighbor is dimmer than how much light this node
would spread on it, add to list
*/
if(n2.getLight() < newlight)
if(n2.getLight(bank) < newlight)
{
if(n2.light_propagates())
{
n2.setLight(newlight);
n2.setLight(bank, newlight);
block->setNode(relpos, n2);
lighted_nodes.insert(n2pos, true);
//lighted_nodes.push_back(n2pos);
@ -536,21 +539,22 @@ void Map::spreadLight(core::map<v3s16, bool> & from_nodes,
<<std::endl;*/
if(lighted_nodes.size() > 0)
spreadLight(lighted_nodes, modified_blocks);
spreadLight(bank, lighted_nodes, modified_blocks);
}
/*
A single-node source variation of the above.
*/
void Map::lightNeighbors(v3s16 pos,
void Map::lightNeighbors(enum LightBank bank,
v3s16 pos,
core::map<v3s16, MapBlock*> & modified_blocks)
{
core::map<v3s16, bool> from_nodes;
from_nodes.insert(pos, true);
spreadLight(from_nodes, modified_blocks);
spreadLight(bank, from_nodes, modified_blocks);
}
v3s16 Map::getBrightestNeighbour(v3s16 p)
v3s16 Map::getBrightestNeighbour(enum LightBank bank, v3s16 p)
{
v3s16 dirs[6] = {
v3s16(0,0,1), // back
@ -577,8 +581,8 @@ v3s16 Map::getBrightestNeighbour(v3s16 p)
{
continue;
}
if(n2.getLight() > brightest_light || found_something == false){
brightest_light = n2.getLight();
if(n2.getLight(bank) > brightest_light || found_something == false){
brightest_light = n2.getLight(bank);
brightest_pos = n2pos;
found_something = true;
}
@ -619,7 +623,7 @@ s16 Map::propagateSunlight(v3s16 start,
if(n.sunlight_propagates())
{
n.setLight(LIGHT_SUN);
n.setLight(LIGHTBANK_DAY, LIGHT_SUN);
block->setNode(relpos, n);
modified_blocks.insert(blockpos, block);
@ -631,7 +635,8 @@ s16 Map::propagateSunlight(v3s16 start,
return y + 1;
}
void Map::updateLighting(core::map<v3s16, MapBlock*> & a_blocks,
void Map::updateLighting(enum LightBank bank,
core::map<v3s16, MapBlock*> & a_blocks,
core::map<v3s16, MapBlock*> & modified_blocks)
{
/*m_dout<<DTIME<<"Map::updateLighting(): "
@ -671,8 +676,8 @@ void Map::updateLighting(core::map<v3s16, MapBlock*> & a_blocks,
try{
v3s16 p(x,y,z);
MapNode n = block->getNode(v3s16(x,y,z));
u8 oldlight = n.getLight();
n.setLight(0);
u8 oldlight = n.getLight(bank);
n.setLight(bank, 0);
block->setNode(v3s16(x,y,z), n);
// Collect borders for unlighting
@ -699,11 +704,22 @@ void Map::updateLighting(core::map<v3s16, MapBlock*> & a_blocks,
}
}
bool bottom_valid = block->propagateSunlight(light_sources);
if(bank == LIGHTBANK_DAY)
{
bool bottom_valid = block->propagateSunlight(light_sources);
// If bottom is valid, we're done.
if(bottom_valid)
// If bottom is valid, we're done.
if(bottom_valid)
break;
}
else if(bank == LIGHTBANK_NIGHT)
{
break;
}
else
{
assert(0);
}
/*dstream<<"Bottom for sunlight-propagated block ("
<<pos.X<<","<<pos.Y<<","<<pos.Z<<") not valid"
@ -725,7 +741,7 @@ void Map::updateLighting(core::map<v3s16, MapBlock*> & a_blocks,
{
//TimeTaker timer("unspreadLight", g_device);
unspreadLight(unlight_from, light_sources, modified_blocks);
unspreadLight(bank, unlight_from, light_sources, modified_blocks);
}
if(debug)
@ -744,7 +760,7 @@ void Map::updateLighting(core::map<v3s16, MapBlock*> & a_blocks,
{
//TimeTaker timer("spreadLight", g_device);
spreadLight(light_sources, modified_blocks);
spreadLight(bank, light_sources, modified_blocks);
}
if(debug)
@ -757,6 +773,13 @@ void Map::updateLighting(core::map<v3s16, MapBlock*> & a_blocks,
//m_dout<<"Done ("<<getTimestamp()<<")"<<std::endl;
}
void Map::updateLighting(core::map<v3s16, MapBlock*> & a_blocks,
core::map<v3s16, MapBlock*> & modified_blocks)
{
updateLighting(LIGHTBANK_DAY, a_blocks, modified_blocks);
updateLighting(LIGHTBANK_NIGHT, a_blocks, modified_blocks);
}
/*
This is called after changing a node from transparent to opaque.
The lighting value of the node should be left as-is after changing
@ -771,12 +794,6 @@ void Map::addNodeAndUpdate(v3s16 p, MapNode n,
m_dout<<DTIME<<"Map::nodeAddedUpdate(): p=("
<<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
u8 lightwas = getNode(p).getLight();
//core::list<v3s16> light_sources;
core::map<v3s16, bool> light_sources;
//MapNode n = getNode(p);
/*
From this node to nodes underneath:
If lighting is sunlight (1.0), unlight neighbours and
@ -784,10 +801,11 @@ void Map::addNodeAndUpdate(v3s16 p, MapNode n,
Else discontinue.
*/
bool node_under_sunlight = true;
v3s16 toppos = p + v3s16(0,1,0);
bool node_under_sunlight = true;
core::map<v3s16, bool> light_sources;
/*
If there is a node at top and it doesn't have sunlight,
there has not been any sunlight going down.
@ -797,36 +815,51 @@ void Map::addNodeAndUpdate(v3s16 p, MapNode n,
try{
MapNode topnode = getNode(toppos);
if(topnode.getLight() != LIGHT_SUN)
if(topnode.getLight(LIGHTBANK_DAY) != LIGHT_SUN)
node_under_sunlight = false;
}
catch(InvalidPositionException &e)
{
}
// Add the block of the added node to modified_blocks
v3s16 blockpos = getNodeBlockPos(p);
MapBlock * block = getBlockNoCreate(blockpos);
assert(block != NULL);
modified_blocks.insert(blockpos, block);
if(isValidPosition(p) == false)
throw;
// Unlight neighbours of node.
// This means setting light of all consequent dimmer nodes
// to 0.
// This also collects the nodes at the border which will spread
// light again into this.
unLightNeighbors(p, lightwas, light_sources, modified_blocks);
enum LightBank banks[] =
{
LIGHTBANK_DAY,
LIGHTBANK_NIGHT
};
for(s32 i=0; i<2; i++)
{
enum LightBank bank = banks[i];
n.setLight(0);
u8 lightwas = getNode(p).getLight(bank);
// Add the block of the added node to modified_blocks
v3s16 blockpos = getNodeBlockPos(p);
MapBlock * block = getBlockNoCreate(blockpos);
assert(block != NULL);
modified_blocks.insert(blockpos, block);
if(isValidPosition(p) == false)
throw;
// Unlight neighbours of node.
// This means setting light of all consequent dimmer nodes
// to 0.
// This also collects the nodes at the border which will spread
// light again into this.
unLightNeighbors(bank, p, lightwas, light_sources, modified_blocks);
n.setLight(bank, 0);
}
setNode(p, n);
/*
If node is under sunlight, take all sunlighted nodes under
it and clear light from them and from where the light has
been spread.
TODO: This could be optimized by mass-unlighting instead
of looping
*/
if(node_under_sunlight)
{
@ -844,11 +877,13 @@ void Map::addNodeAndUpdate(v3s16 p, MapNode n,
break;
}
if(n2.getLight() == LIGHT_SUN)
if(n2.getLight(LIGHTBANK_DAY) == LIGHT_SUN)
{
//m_dout<<DTIME<<"doing"<<std::endl;
unLightNeighbors(n2pos, n2.getLight(), light_sources, modified_blocks);
n2.setLight(0);
unLightNeighbors(LIGHTBANK_DAY,
n2pos, n2.getLight(LIGHTBANK_DAY),
light_sources, modified_blocks);
n2.setLight(LIGHTBANK_DAY, 0);
setNode(n2pos, n2);
}
else
@ -856,11 +891,16 @@ void Map::addNodeAndUpdate(v3s16 p, MapNode n,
}
}
/*
Spread light from all nodes that might be capable of doing so
TODO: Convert to spreadLight
*/
spreadLight(light_sources, modified_blocks);
for(s32 i=0; i<2; i++)
{
enum LightBank bank = banks[i];
/*
Spread light from all nodes that might be capable of doing so
TODO: Convert to spreadLight
*/
spreadLight(bank, light_sources, modified_blocks);
}
}
/*
@ -879,67 +919,6 @@ void Map::removeNodeAndUpdate(v3s16 p,
// Node will be replaced with this
u8 replace_material = CONTENT_AIR;
// NOTE: Water is now managed elsewhere
#if 0
{
/*
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 != CONTENT_AIR)
)
{
replace_material = m;
highest_ranking = c;
}
}
}
#endif
/*
If there is a node at top and it doesn't have sunlight,
there will be no sunlight going down.
@ -947,33 +926,50 @@ void Map::removeNodeAndUpdate(v3s16 p,
try{
MapNode topnode = getNode(toppos);
if(topnode.getLight() != LIGHT_SUN)
if(topnode.getLight(LIGHTBANK_DAY) != LIGHT_SUN)
node_under_sunlight = false;
}
catch(InvalidPositionException &e)
{
}
/*
Unlight neighbors (in case the node is a light source)
*/
//core::list<v3s16> light_sources;
core::map<v3s16, bool> light_sources;
unLightNeighbors(p, getNode(p).getLight(),
light_sources, modified_blocks);
enum LightBank banks[] =
{
LIGHTBANK_DAY,
LIGHTBANK_NIGHT
};
for(s32 i=0; i<2; i++)
{
enum LightBank bank = banks[i];
/*
Unlight neighbors (in case the node is a light source)
*/
unLightNeighbors(bank, p,
getNode(p).getLight(bank),
light_sources, modified_blocks);
}
/*
Remove the node
Remove the node.
This also clears the lighting.
*/
MapNode n;
n.d = replace_material;
n.setLight(0);
setNode(p, n);
/*
Recalculate lighting
*/
spreadLight(light_sources, modified_blocks);
for(s32 i=0; i<2; i++)
{
enum LightBank bank = banks[i];
/*
Recalculate lighting
*/
spreadLight(bank, light_sources, modified_blocks);
}
// Add the block of the removed node to modified_blocks
v3s16 blockpos = getNodeBlockPos(p);
@ -999,15 +995,16 @@ void Map::removeNodeAndUpdate(v3s16 p,
/*m_dout<<DTIME<<"lighting neighbors of node ("
<<p2.X<<","<<p2.Y<<","<<p2.Z<<")"
<<std::endl;*/
lightNeighbors(p2, modified_blocks);
lightNeighbors(LIGHTBANK_DAY, p2, modified_blocks);
}
}
else
{
// Set the lighting of this node to 0
// TODO: Is this needed? Lighting is cleared up there already.
try{
MapNode n = getNode(p);
n.setLight(0);
n.setLight(LIGHTBANK_DAY, 0);
setNode(p, n);
}
catch(InvalidPositionException &e)
@ -1016,43 +1013,78 @@ void Map::removeNodeAndUpdate(v3s16 p,
}
}
// Get the brightest neighbour node and propagate light from it
v3s16 n2p = getBrightestNeighbour(p);
try{
MapNode n2 = getNode(n2p);
lightNeighbors(n2p, modified_blocks);
}
catch(InvalidPositionException &e)
for(s32 i=0; i<2; i++)
{
enum LightBank bank = banks[i];
// Get the brightest neighbour node and propagate light from it
v3s16 n2p = getBrightestNeighbour(bank, p);
try{
MapNode n2 = getNode(n2p);
lightNeighbors(bank, n2p, modified_blocks);
}
catch(InvalidPositionException &e)
{
}
}
}
void Map::updateMeshes(v3s16 blockpos)
void Map::expireMeshes()
{
TimeTaker timer("expireMeshes()", g_device);
core::map<v2s16, MapSector*>::Iterator si;
si = m_sectors.getIterator();
for(; si.atEnd() == false; si++)
{
MapSector *sector = si.getNode()->getValue();
core::list< MapBlock * > sectorblocks;
sector->getBlocks(sectorblocks);
core::list< MapBlock * >::Iterator i;
for(i=sectorblocks.begin(); i!=sectorblocks.end(); i++)
{
MapBlock *block = *i;
{
JMutexAutoLock lock(block->mesh_mutex);
if(block->mesh != NULL)
{
//block->mesh->drop();
//block->mesh = NULL;
block->setMeshExpired(true);
}
}
}
}
}
void Map::updateMeshes(v3s16 blockpos, u32 daylight_factor)
{
assert(mapType() == MAPTYPE_CLIENT);
try{
v3s16 p = blockpos + v3s16(0,0,0);
MapBlock *b = getBlockNoCreate(p);
b->updateMesh();
b->updateMesh(daylight_factor);
}
catch(InvalidPositionException &e){}
try{
v3s16 p = blockpos + v3s16(-1,0,0);
MapBlock *b = getBlockNoCreate(p);
b->updateMesh();
b->updateMesh(daylight_factor);
}
catch(InvalidPositionException &e){}
try{
v3s16 p = blockpos + v3s16(0,-1,0);
MapBlock *b = getBlockNoCreate(p);
b->updateMesh();
b->updateMesh(daylight_factor);
}
catch(InvalidPositionException &e){}
try{
v3s16 p = blockpos + v3s16(0,0,-1);
MapBlock *b = getBlockNoCreate(p);
b->updateMesh();
b->updateMesh(daylight_factor);
}
catch(InvalidPositionException &e){}
}
@ -1691,7 +1723,7 @@ MapBlock * ServerMap::emergeBlock(
newly created block, they won't be taken into account.
*/
if(real_y > surface_y)
n.setLight(LIGHT_SUN);
n.setLight(LIGHTBANK_DAY, LIGHT_SUN);
/*
Calculate material
@ -1751,7 +1783,8 @@ MapBlock * ServerMap::emergeBlock(
if(real_y < WATER_LEVEL)
{
n.d = water_material;
n.setLight(diminish_light(LIGHT_SUN, WATER_LEVEL-real_y+1));
n.setLight(LIGHTBANK_DAY,
diminish_light(LIGHT_SUN, WATER_LEVEL-real_y+1));
}
// else air
else
@ -2732,11 +2765,13 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
u32 vertex_count = 0;
core::map<v2s16, MapSector*>::Iterator si;
// For limiting number of mesh updates per frame
u32 mesh_update_count = 0;
//NOTE: The sectors map should be locked but we're not doing it
// because it'd cause too much delays
core::map<v2s16, MapSector*>::Iterator si;
si = m_sectors.getIterator();
for(; si.atEnd() == false; si++)
{
@ -2837,11 +2872,34 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
/*
Draw the faces of the block
*/
bool mesh_expired = false;
{
JMutexAutoLock lock(block->mesh_mutex);
// Cancel if block has no mesh
mesh_expired = block->getMeshExpired();
// Mesh has not been expired and there is no mesh:
// block has no content
if(block->mesh == NULL && mesh_expired == false)
continue;
}
/*
This has to be done with the mesh_mutex unlocked
*/
if(mesh_expired && mesh_update_count < 1)
{
mesh_update_count++;
// Mesh has been expired: generate new mesh
block->updateMesh(m_client->getDaylightRatio());
}
{
JMutexAutoLock lock(block->mesh_mutex);
if(block->mesh == NULL)
continue;