void MeshMakeData::fillBlockDataBegin(const v3s16 &blockpos)
{
m_blockpos = blockpos;
v3s16 blockpos_nodes = m_blockpos*MAP_BLOCKSIZE;
m_vmanip.clear();
VoxelArea voxel_area(blockpos_nodes - v3s16(1,1,1) * MAP_BLOCKSIZE,
blockpos_nodes + v3s16(1,1,1) * MAP_BLOCKSIZE*2-v3s16(1,1,1));
m_vmanip.addArea(voxel_area);
}
void MeshMakeData::fill_data()
{
if (!block || filled)
return;
filled = true;
#if !defined(MESH_ZEROCOPY)
ScopeProfiler sp(g_profiler, "Client: Mesh data fill");
v3POS blockpos_nodes = m_blockpos*MAP_BLOCKSIZE;
/*
Copy data
*/
// Allocate this block + neighbors
m_vmanip.clear();
VoxelArea voxel_area(blockpos_nodes - v3s16(1,1,1) * MAP_BLOCKSIZE,
blockpos_nodes + v3s16(1,1,1) * MAP_BLOCKSIZE*2-v3s16(1,1,1));
m_vmanip.addArea(voxel_area);
{
//TimeTaker timer("copy central block data");
// 0ms
// Copy our data
block->copyTo(m_vmanip);
}
{
//TimeTaker timer("copy neighbor block data");
// 0ms
/*
Copy neighbors. This is lightning fast.
Copying only the borders would be *very* slow.
*/
// Get map
Map *map = block->getParent();
for(u16 i=0; i<26; i++)
{
const v3s16 &dir = g_26dirs[i];
v3s16 bp = m_blockpos + dir;
MapBlock *b = map->getBlockNoCreateNoEx(bp);
if(b)
b->copyTo(m_vmanip);
}
}
#endif
}
void MeshMakeData::fill(MapBlock *block)
{
m_blockpos = block->getPos();
v3s16 blockpos_nodes = m_blockpos*MAP_BLOCKSIZE;
/*
Copy data
*/
// Allocate this block + neighbors
m_vmanip.clear();
VoxelArea voxel_area(blockpos_nodes - v3s16(1,1,1) * MAP_BLOCKSIZE,
blockpos_nodes + v3s16(1,1,1) * MAP_BLOCKSIZE*2-v3s16(1,1,1));
m_vmanip.addArea(voxel_area);
{
//TimeTaker timer("copy central block data");
// 0ms
// Copy our data
block->copyTo(m_vmanip);
}
{
//TimeTaker timer("copy neighbor block data");
// 0ms
/*
Copy neighbors. This is lightning fast.
Copying only the borders would be *very* slow.
*/
// Get map
Map *map = block->getParent();
for(u16 i=0; i<26; i++)
{
const v3s16 &dir = g_26dirs[i];
v3s16 bp = m_blockpos + dir;
MapBlock *b = map->getBlockNoCreateNoEx(bp);
if(b)
b->copyTo(m_vmanip);
}
}
}
void Map::copy_27_blocks_to_vm(MapBlock * block, VoxelManipulator & vmanip) {
v3POS blockpos = block->getPos();
v3POS blockpos_nodes = blockpos * MAP_BLOCKSIZE;
// Allocate this block + neighbors
vmanip.clear();
VoxelArea voxel_area(blockpos_nodes - v3POS(1, 1, 1) * MAP_BLOCKSIZE,
blockpos_nodes + v3POS(1, 1, 1) * MAP_BLOCKSIZE * 2 - v3POS(1, 1, 1));
vmanip.addArea(voxel_area);
block->copyTo(vmanip);
auto * map = block->getParent();
for(u16 i = 0; i < 26; i++) {
v3POS bp = blockpos + g_26dirs[i];
MapBlock *b = map->getBlockNoCreateNoEx(bp);
if(b)
b->copyTo(vmanip);
}
}
/*
Lights neighbors of from_nodes, collects all them and then
goes on recursively.
*/
void VoxelManipulator::spreadLight(enum LightBank bank,
std::set<v3s16> & from_nodes, INodeDefManager *nodemgr)
{
const 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
};
if(from_nodes.empty())
return;
std::set<v3s16> lighted_nodes;
for(std::set<v3s16>::iterator j = from_nodes.begin();
j != from_nodes.end(); ++j)
{
v3s16 pos = *j;
VoxelArea voxel_area(pos - v3s16(1,1,1), pos + v3s16(1,1,1));
addArea(voxel_area);
u32 i = m_area.index(pos);
if(m_flags[i] & VOXELFLAG_NO_DATA)
continue;
MapNode &n = m_data[i];
u8 oldlight = n.getLight(bank, nodemgr);
u8 newlight = diminish_light(oldlight);
// Loop through 6 neighbors
for(u16 i=0; i<6; i++)
{
// Get the position of the neighbor node
v3s16 n2pos = pos + dirs[i];
try
{
u32 n2i = m_area.index(n2pos);
if(m_flags[n2i] & VOXELFLAG_NO_DATA)
continue;
MapNode &n2 = m_data[n2i];
u8 light2 = n2.getLight(bank, nodemgr);
/*
If the neighbor is brighter than the current node,
add to list (it will light up this node on its turn)
*/
if(light2 > undiminish_light(oldlight))
{
lighted_nodes.insert(n2pos);
}
/*
If the neighbor is dimmer than how much light this node
would spread on it, add to list
*/
if(light2 < newlight)
{
if(nodemgr->get(n2).light_propagates)
{
n2.setLight(bank, newlight, nodemgr);
lighted_nodes.insert(n2pos);
}
}
}
catch(InvalidPositionException &e)
{
continue;
}
}
}
/*dstream<<"spreadLight(): Changed block "
<<blockchangecount<<" times"
<<" for "<<from_nodes.size()<<" nodes"
<<std::endl;*/
if(!lighted_nodes.empty())
spreadLight(bank, lighted_nodes, nodemgr);
}
void VoxelManipulator::spreadLight(enum LightBank bank, v3s16 p,
INodeDefManager *nodemgr)
{
const 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
};
VoxelArea voxel_area(p - v3s16(1,1,1), p + v3s16(1,1,1));
addArea(voxel_area);
u32 i = m_area.index(p);
if(m_flags[i] & VOXELFLAG_NO_DATA)
return;
MapNode &n = m_data[i];
u8 oldlight = n.getLight(bank, nodemgr);
u8 newlight = diminish_light(oldlight);
// Loop through 6 neighbors
for(u16 i=0; i<6; i++)
{
// Get the position of the neighbor node
v3s16 n2pos = p + dirs[i];
u32 n2i = m_area.index(n2pos);
if(m_flags[n2i] & VOXELFLAG_NO_DATA)
continue;
MapNode &n2 = m_data[n2i];
u8 light2 = n2.getLight(bank, nodemgr);
/*
If the neighbor is brighter than the current node,
add to list (it will light up this node on its turn)
*/
if(light2 > undiminish_light(oldlight))
{
spreadLight(bank, n2pos, nodemgr);
}
/*
If the neighbor is dimmer than how much light this node
would spread on it, add to list
*/
if(light2 < newlight)
{
if(nodemgr->get(n2).light_propagates)
{
n2.setLight(bank, newlight, nodemgr);
spreadLight(bank, n2pos, nodemgr);
}
}
}
}
void VoxelManipulator::unspreadLight(enum LightBank bank, v3s16 p, u8 oldlight,
std::set<v3s16> & light_sources, INodeDefManager *nodemgr)
{
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
};
VoxelArea voxel_area(p - v3s16(1,1,1), p + v3s16(1,1,1));
addArea(voxel_area);
// Loop through 6 neighbors
for(u16 i=0; i<6; i++)
{
// Get the position of the neighbor node
v3s16 n2pos = p + dirs[i];
u32 n2i = m_area.index(n2pos);
if(m_flags[n2i] & VOXELFLAG_NO_DATA)
continue;
MapNode &n2 = m_data[n2i];
/*
If the neighbor is dimmer than what was specified
as oldlight (the light of the previous node)
*/
u8 light2 = n2.getLight(bank, nodemgr);
if(light2 < oldlight)
{
/*
And the neighbor is transparent and it has some light
*/
if(nodemgr->get(n2).light_propagates && light2 != 0)
{
/*
Set light to 0 and add to queue
*/
n2.setLight(bank, 0, nodemgr);
unspreadLight(bank, n2pos, light2, light_sources, nodemgr);
/*
Remove from light_sources if it is there
NOTE: This doesn't happen nearly at all
*/
/*if(light_sources.find(n2pos))
{
std::cout<<"Removed from light_sources"<<std::endl;
light_sources.remove(n2pos);
}*/
}
}
else{
light_sources.insert(n2pos);
}
}
}
