Vec PathRenderer::evaluateDirectLighting(Intersection const &isect)
{
Vec Ld, WiW;
float pdf, maxt;
float u1, u2;
for (auto p = m_scene->getEmitters().cbegin();
p != m_scene->getEmitters().cend();
++p)
{
for (int i = 0; i < m_params->numShadowRays; ++i) {
m_lightSampler->getNext2D(u1, u2);
Vec E = (*p)->sampleLight(isect.P, u1, u2, WiW, pdf, maxt);
// check if ray is occluded
if (isOccluded(*m_scene, isect.P, WiW, maxt)) {
//std::clog << "occluded\n";
continue;
//if (distance(test.P, isect.P) > EPSILON) {
//std::clog << "nohit\n";
//continue;
//}
//if (test.primitive == isect.primitive) {
//std::clog << "self-intersection\n";
//__debugbreak();
//}
}
//Vec WiL = isect.toLocal(R.D);
// Geometry term
Ld += E * isect.primitive->getMaterial()->eval(isect, WiW) * dot(WiW, isect.N) / pdf;
}
Ld *= 1.f / static_cast<float>(m_params->numShadowRays);
}
return Ld;
}
void ClientMap::updateDrawList(video::IVideoDriver* driver)
{
ScopeProfiler sp(g_profiler, "CM::updateDrawList()", SPT_AVG);
g_profiler->add("CM::updateDrawList() count", 1);
INodeDefManager *nodemgr = m_gamedef->ndef();
for(std::map<v3s16, MapBlock*>::iterator
i = m_drawlist.begin();
i != m_drawlist.end(); ++i)
{
MapBlock *block = i->second;
block->refDrop();
}
m_drawlist.clear();
m_camera_mutex.Lock();
v3f camera_position = m_camera_position;
v3f camera_direction = m_camera_direction;
f32 camera_fov = m_camera_fov;
m_camera_mutex.Unlock();
// Use a higher fov to accomodate faster camera movements.
// Blocks are cropped better when they are drawn.
// Or maybe they aren't? Well whatever.
camera_fov *= 1.2;
v3s16 cam_pos_nodes = floatToInt(camera_position, BS);
v3s16 box_nodes_d = m_control.wanted_range * v3s16(1,1,1);
v3s16 p_nodes_min = cam_pos_nodes - box_nodes_d;
v3s16 p_nodes_max = cam_pos_nodes + box_nodes_d;
// Take a fair amount as we will be dropping more out later
// Umm... these additions are a bit strange but they are needed.
v3s16 p_blocks_min(
p_nodes_min.X / MAP_BLOCKSIZE - 3,
p_nodes_min.Y / MAP_BLOCKSIZE - 3,
p_nodes_min.Z / MAP_BLOCKSIZE - 3);
v3s16 p_blocks_max(
p_nodes_max.X / MAP_BLOCKSIZE + 1,
p_nodes_max.Y / MAP_BLOCKSIZE + 1,
p_nodes_max.Z / MAP_BLOCKSIZE + 1);
// Number of blocks in rendering range
u32 blocks_in_range = 0;
// Number of blocks occlusion culled
u32 blocks_occlusion_culled = 0;
// Number of blocks in rendering range but don't have a mesh
u32 blocks_in_range_without_mesh = 0;
// Blocks that had mesh that would have been drawn according to
// rendering range (if max blocks limit didn't kick in)
u32 blocks_would_have_drawn = 0;
// Blocks that were drawn and had a mesh
u32 blocks_drawn = 0;
// Blocks which had a corresponding meshbuffer for this pass
//u32 blocks_had_pass_meshbuf = 0;
// Blocks from which stuff was actually drawn
//u32 blocks_without_stuff = 0;
for(std::map<v2s16, MapSector*>::iterator
si = m_sectors.begin();
si != m_sectors.end(); ++si)
{
MapSector *sector = si->second;
v2s16 sp = sector->getPos();
if(m_control.range_all == false)
{
if(sp.X < p_blocks_min.X
|| sp.X > p_blocks_max.X
|| sp.Y < p_blocks_min.Z
|| sp.Y > p_blocks_max.Z)
continue;
}
std::list< MapBlock * > sectorblocks;
sector->getBlocks(sectorblocks);
/*
Loop through blocks in sector
*/
u32 sector_blocks_drawn = 0;
std::list< MapBlock * >::iterator i;
for(i=sectorblocks.begin(); i!=sectorblocks.end(); i++)
{
MapBlock *block = *i;
/*
Compare block position to camera position, skip
if not seen on display
*/
float range = 100000 * BS;
if(m_control.range_all == false)
range = m_control.wanted_range * BS;
float d = 0.0;
if(isBlockInSight(block->getPos(), camera_position,
camera_direction, camera_fov,
range, &d) == false)
{
continue;
}
// This is ugly (spherical distance limit?)
/*if(m_control.range_all == false &&
d - 0.5*BS*MAP_BLOCKSIZE > range)
continue;*/
blocks_in_range++;
/*
Ignore if mesh doesn't exist
*/
{
//JMutexAutoLock lock(block->mesh_mutex);
if(block->mesh == NULL){
blocks_in_range_without_mesh++;
continue;
}
}
/*
Occlusion culling
*/
// No occlusion culling when free_move is on and camera is
// inside ground
bool occlusion_culling_enabled = true;
if(g_settings->getBool("free_move")){
MapNode n = getNodeNoEx(cam_pos_nodes);
if(n.getContent() == CONTENT_IGNORE ||
nodemgr->get(n).solidness == 2)
occlusion_culling_enabled = false;
}
v3s16 cpn = block->getPos() * MAP_BLOCKSIZE;
cpn += v3s16(MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2);
float step = BS*1;
float stepfac = 1.1;
float startoff = BS*1;
float endoff = -BS*MAP_BLOCKSIZE*1.42*1.42;
v3s16 spn = cam_pos_nodes + v3s16(0,0,0);
s16 bs2 = MAP_BLOCKSIZE/2 + 1;
u32 needed_count = 1;
if(
occlusion_culling_enabled &&
isOccluded(this, spn, cpn + v3s16(0,0,0),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(-bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(-bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr)
)
{
blocks_occlusion_culled++;
continue;
}
// This block is in range. Reset usage timer.
block->resetUsageTimer();
// Limit block count in case of a sudden increase
blocks_would_have_drawn++;
if(blocks_drawn >= m_control.wanted_max_blocks
&& m_control.range_all == false
&& d > m_control.wanted_min_range * BS)
continue;
// Add to set
block->refGrab();
m_drawlist[block->getPos()] = block;
sector_blocks_drawn++;
blocks_drawn++;
} // foreach sectorblocks
if(sector_blocks_drawn != 0)
m_last_drawn_sectors.insert(sp);
}
m_control.blocks_would_have_drawn = blocks_would_have_drawn;
m_control.blocks_drawn = blocks_drawn;
g_profiler->avg("CM: blocks in range", blocks_in_range);
g_profiler->avg("CM: blocks occlusion culled", blocks_occlusion_culled);
if(blocks_in_range != 0)
g_profiler->avg("CM: blocks in range without mesh (frac)",
(float)blocks_in_range_without_mesh/blocks_in_range);
g_profiler->avg("CM: blocks drawn", blocks_drawn);
g_profiler->avg("CM: wanted max blocks", m_control.wanted_max_blocks);
}
void ClientMap::updateDrawList(video::IVideoDriver* driver, float dtime, unsigned int max_cycle_ms)
{
ScopeProfiler sp(g_profiler, "CM::updateDrawList()", SPT_AVG);
//g_profiler->add("CM::updateDrawList() count", 1);
TimeTaker timer_step("ClientMap::updateDrawList");
INodeDefManager *nodemgr = m_gamedef->ndef();
if (!m_drawlist_last)
m_drawlist_current = !m_drawlist_current;
auto & drawlist = m_drawlist_current ? m_drawlist_1 : m_drawlist_0;
if (!max_cycle_ms)
max_cycle_ms = 300/getControl().fps_wanted;
m_camera_mutex.Lock();
v3f camera_position = m_camera_position;
f32 camera_fov = m_camera_fov;
//v3s16 camera_offset = m_camera_offset;
m_camera_mutex.Unlock();
// Use a higher fov to accomodate faster camera movements.
// Blocks are cropped better when they are drawn.
// Or maybe they aren't? Well whatever.
camera_fov *= 1.2;
v3s16 cam_pos_nodes = floatToInt(camera_position, BS);
v3s16 box_nodes_d = m_control.wanted_range * v3s16(1,1,1);
v3s16 p_nodes_min = cam_pos_nodes - box_nodes_d;
v3s16 p_nodes_max = cam_pos_nodes + box_nodes_d;
// Take a fair amount as we will be dropping more out later
// Umm... these additions are a bit strange but they are needed.
v3s16 p_blocks_min(
p_nodes_min.X / MAP_BLOCKSIZE - 3,
p_nodes_min.Y / MAP_BLOCKSIZE - 3,
p_nodes_min.Z / MAP_BLOCKSIZE - 3);
v3s16 p_blocks_max(
p_nodes_max.X / MAP_BLOCKSIZE + 1,
p_nodes_max.Y / MAP_BLOCKSIZE + 1,
p_nodes_max.Z / MAP_BLOCKSIZE + 1);
// Number of blocks in rendering range
u32 blocks_in_range = 0;
// Number of blocks occlusion culled
u32 blocks_occlusion_culled = 0;
// Number of blocks in rendering range but don't have a mesh
u32 blocks_in_range_without_mesh = 0;
// Blocks that had mesh that would have been drawn according to
// rendering range (if max blocks limit didn't kick in)
u32 blocks_would_have_drawn = 0;
// Blocks that were drawn and had a mesh
u32 blocks_drawn = 0;
// Blocks which had a corresponding meshbuffer for this pass
//u32 blocks_had_pass_meshbuf = 0;
// Blocks from which stuff was actually drawn
//u32 blocks_without_stuff = 0;
// Distance to farthest drawn block
float farthest_drawn = 0;
int m_mesh_queued = 0;
bool free_move = g_settings->getBool("free_move");
float range_max = 100000 * BS;
if(m_control.range_all == false)
range_max = m_control.wanted_range * BS;
if (draw_nearest.empty()) {
//ScopeProfiler sp(g_profiler, "CM::updateDrawList() make list", SPT_AVG);
TimeTaker timer_step("ClientMap::updateDrawList make list");
auto lock = m_blocks.try_lock_shared_rec();
if (!lock->owns_lock())
return;
draw_nearest.clear();
for(auto & ir : m_blocks) {
auto bp = ir.first;
if(m_control.range_all == false)
{
if(bp.X < p_blocks_min.X
|| bp.X > p_blocks_max.X
|| bp.Z > p_blocks_max.Z
|| bp.Z < p_blocks_min.Z
|| bp.Y < p_blocks_min.Y
|| bp.Y > p_blocks_max.Y)
continue;
}
v3s16 blockpos_nodes = bp * MAP_BLOCKSIZE;
// Block center position
v3f blockpos(
((float)blockpos_nodes.X + MAP_BLOCKSIZE/2) * BS,
((float)blockpos_nodes.Y + MAP_BLOCKSIZE/2) * BS,
((float)blockpos_nodes.Z + MAP_BLOCKSIZE/2) * BS
);
f32 d = radius_box(blockpos, camera_position); //blockpos_relative.getLength();
if (d> range_max)
continue;
int range = d / (MAP_BLOCKSIZE * BS);
draw_nearest.emplace_back(std::make_pair(bp, range));
}
}
const int maxq = 1000;
// No occlusion culling when free_move is on and camera is
// inside ground
bool occlusion_culling_enabled = true;
if(free_move) {
MapNode n = getNodeNoEx(cam_pos_nodes);
if(n.getContent() == CONTENT_IGNORE ||
nodemgr->get(n).solidness == 2)
occlusion_culling_enabled = false;
}
u32 calls = 0, end_ms = porting::getTimeMs() + u32(max_cycle_ms);
std::unordered_map<v3POS, bool, v3POSHash, v3POSEqual> occlude_cache;
while (!draw_nearest.empty()) {
auto ir = draw_nearest.back();
auto bp = ir.first;
int range = ir.second;
draw_nearest.pop_back();
++calls;
//auto block = getBlockNoCreateNoEx(bp);
auto block = m_blocks.get(bp);
if (!block)
continue;
int mesh_step = getFarmeshStep(m_control, getNodeBlockPos(cam_pos_nodes), bp);
/*
Compare block position to camera position, skip
if not seen on display
*/
auto mesh = block->getMesh(mesh_step);
if (mesh)
mesh->updateCameraOffset(m_camera_offset);
blocks_in_range++;
auto smesh_size = block->mesh_size;
/*
Ignore if mesh doesn't exist
*/
{
if(!mesh) {
blocks_in_range_without_mesh++;
if (m_mesh_queued < maxq || range <= 2) {
m_client->addUpdateMeshTask(bp, false);
++m_mesh_queued;
}
continue;
}
if(mesh_step == mesh->step && block->getTimestamp() <= mesh->timestamp && !smesh_size) {
blocks_in_range_without_mesh++;
continue;
}
}
/*
Occlusion culling
*/
v3s16 cpn = bp * MAP_BLOCKSIZE;
cpn += v3s16(MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2);
float step = BS*1;
float stepfac = 1.2;
float startoff = BS*1;
float endoff = -BS*MAP_BLOCKSIZE; //*1.42; //*1.42;
v3s16 spn = cam_pos_nodes + v3s16(0,0,0);
s16 bs2 = MAP_BLOCKSIZE/2 + 1;
u32 needed_count = 1;
if( range > 1 && smesh_size &&
occlusion_culling_enabled &&
isOccluded(this, spn, cpn + v3s16(0,0,0),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(this, spn, cpn + v3s16(bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(this, spn, cpn + v3s16(bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(this, spn, cpn + v3s16(bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(this, spn, cpn + v3s16(bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(this, spn, cpn + v3s16(-bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(this, spn, cpn + v3s16(-bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache)
)
{
blocks_occlusion_culled++;
continue;
}
// This block is in range. Reset usage timer.
block->resetUsageTimer();
// Limit block count in case of a sudden increase
blocks_would_have_drawn++;
/*
if(blocks_drawn >= m_control.wanted_max_blocks
&& m_control.range_all == false
&& d > m_control.wanted_min_range * BS)
continue;
*/
if (mesh_step != mesh->step && (m_mesh_queued < maxq*1.2 || range <= 2)) {
m_client->addUpdateMeshTask(bp);
++m_mesh_queued;
}
if (block->getTimestamp() > mesh->timestamp + (smesh_size ? 0 : range >= 1 ? 60 : 5) && (m_mesh_queued < maxq*1.5 || range <= 2)) {
m_client->addUpdateMeshTaskWithEdge(bp);
++m_mesh_queued;
}
if(!smesh_size)
continue;
mesh->incrementUsageTimer(dtime);
// Add to set
//block->refGrab();
block->resetUsageTimer();
drawlist.set(bp, block);
blocks_drawn++;
if(range * MAP_BLOCKSIZE > farthest_drawn)
farthest_drawn = range * MAP_BLOCKSIZE;
if (farthest_drawn > m_control.farthest_drawn)
m_control.farthest_drawn = farthest_drawn;
if (porting::getTimeMs() > end_ms) {
break;
}
}
m_drawlist_last = draw_nearest.size();
//if (m_drawlist_last) infostream<<"breaked UDL "<<m_drawlist_last<<" collected="<<drawlist.size()<<" calls="<<calls<<" s="<<m_blocks.size()<<" maxms="<<max_cycle_ms<<" fw="<<getControl().fps_wanted<<" morems="<<porting::getTimeMs() - end_ms<< " meshq="<<m_mesh_queued<<" occache="<<occlude_cache.size()<<std::endl;
if (m_drawlist_last)
return;
//for (auto & ir : *m_drawlist)
// ir.second->refDrop();
auto m_drawlist_old = !m_drawlist_current ? &m_drawlist_1 : &m_drawlist_0;
m_drawlist = m_drawlist_current ? &m_drawlist_1 : &m_drawlist_0;
m_drawlist_old->clear();
m_control.blocks_would_have_drawn = blocks_would_have_drawn;
m_control.blocks_drawn = blocks_drawn;
m_control.farthest_drawn = farthest_drawn;
g_profiler->avg("CM: blocks total", m_blocks.size());
g_profiler->avg("CM: blocks in range", blocks_in_range);
g_profiler->avg("CM: blocks occlusion culled", blocks_occlusion_culled);
if(blocks_in_range != 0)
g_profiler->avg("CM: blocks in range without mesh (frac)",
(float)blocks_in_range_without_mesh/blocks_in_range);
g_profiler->avg("CM: blocks drawn", blocks_drawn);
g_profiler->avg("CM: farthest drawn", farthest_drawn);
g_profiler->avg("CM: wanted max blocks", m_control.wanted_max_blocks);
}
void ClientMap::updateDrawList(video::IVideoDriver* driver)
{
ScopeProfiler sp(g_profiler, "CM::updateDrawList()", SPT_AVG);
g_profiler->add("CM::updateDrawList() count", 1);
INodeDefManager *nodemgr = m_gamedef->ndef();
for (std::map<v3s16, MapBlock*>::iterator i = m_drawlist.begin();
i != m_drawlist.end(); ++i) {
MapBlock *block = i->second;
block->refDrop();
}
m_drawlist.clear();
v3f camera_position = m_camera_position;
v3f camera_direction = m_camera_direction;
f32 camera_fov = m_camera_fov;
// Use a higher fov to accomodate faster camera movements.
// Blocks are cropped better when they are drawn.
// Or maybe they aren't? Well whatever.
camera_fov *= 1.2;
v3s16 cam_pos_nodes = floatToInt(camera_position, BS);
v3s16 p_blocks_min;
v3s16 p_blocks_max;
getBlocksInViewRange(cam_pos_nodes, &p_blocks_min, &p_blocks_max);
// Number of blocks in rendering range
u32 blocks_in_range = 0;
// Number of blocks occlusion culled
u32 blocks_occlusion_culled = 0;
// Number of blocks in rendering range but don't have a mesh
u32 blocks_in_range_without_mesh = 0;
// Blocks that had mesh that would have been drawn according to
// rendering range (if max blocks limit didn't kick in)
u32 blocks_would_have_drawn = 0;
// Blocks that were drawn and had a mesh
u32 blocks_drawn = 0;
// Blocks which had a corresponding meshbuffer for this pass
//u32 blocks_had_pass_meshbuf = 0;
// Blocks from which stuff was actually drawn
//u32 blocks_without_stuff = 0;
// Distance to farthest drawn block
float farthest_drawn = 0;
for (std::map<v2s16, MapSector*>::iterator si = m_sectors.begin();
si != m_sectors.end(); ++si) {
MapSector *sector = si->second;
v2s16 sp = sector->getPos();
if (m_control.range_all == false) {
if (sp.X < p_blocks_min.X || sp.X > p_blocks_max.X ||
sp.Y < p_blocks_min.Z || sp.Y > p_blocks_max.Z)
continue;
}
MapBlockVect sectorblocks;
sector->getBlocks(sectorblocks);
/*
Loop through blocks in sector
*/
u32 sector_blocks_drawn = 0;
for (MapBlockVect::iterator i = sectorblocks.begin();
i != sectorblocks.end(); ++i) {
MapBlock *block = *i;
/*
Compare block position to camera position, skip
if not seen on display
*/
if (block->mesh != NULL)
block->mesh->updateCameraOffset(m_camera_offset);
float range = 100000 * BS;
if (m_control.range_all == false)
range = m_control.wanted_range * BS;
float d = 0.0;
if (!isBlockInSight(block->getPos(), camera_position,
camera_direction, camera_fov, range, &d))
continue;
// This is ugly (spherical distance limit?)
/*if(m_control.range_all == false &&
d - 0.5*BS*MAP_BLOCKSIZE > range)
continue;*/
blocks_in_range++;
/*
Ignore if mesh doesn't exist
*/
{
//MutexAutoLock lock(block->mesh_mutex);
if (block->mesh == NULL) {
blocks_in_range_without_mesh++;
continue;
}
}
/*
Occlusion culling
*/
// No occlusion culling when free_move is on and camera is
// inside ground
bool occlusion_culling_enabled = true;
if (g_settings->getBool("free_move")) {
MapNode n = getNodeNoEx(cam_pos_nodes);
if (n.getContent() == CONTENT_IGNORE ||
nodemgr->get(n).solidness == 2)
occlusion_culling_enabled = false;
}
v3s16 cpn = block->getPos() * MAP_BLOCKSIZE;
cpn += v3s16(MAP_BLOCKSIZE / 2, MAP_BLOCKSIZE / 2, MAP_BLOCKSIZE / 2);
float step = BS * 1;
float stepfac = 1.1;
float startoff = BS * 1;
// The occlusion search of 'isOccluded()' must stop short of the target
// point by distance 'endoff' (end offset) to not enter the target mapblock.
// For the 8 mapblock corners 'endoff' must therefore be the maximum diagonal
// of a mapblock, because we must consider all view angles.
// sqrt(1^2 + 1^2 + 1^2) = 1.732
float endoff = -BS * MAP_BLOCKSIZE * 1.732050807569;
v3s16 spn = cam_pos_nodes;
s16 bs2 = MAP_BLOCKSIZE / 2 + 1;
// to reduce the likelihood of falsely occluded blocks
// require at least two solid blocks
// this is a HACK, we should think of a more precise algorithm
u32 needed_count = 2;
if (occlusion_culling_enabled &&
// For the central point of the mapblock 'endoff' can be halved
isOccluded(this, spn, cpn,
step, stepfac, startoff, endoff / 2.0f, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(-bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(-bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr)) {
blocks_occlusion_culled++;
continue;
}
// This block is in range. Reset usage timer.
block->resetUsageTimer();
// Limit block count in case of a sudden increase
blocks_would_have_drawn++;
if (blocks_drawn >= m_control.wanted_max_blocks &&
!m_control.range_all &&
d > m_control.wanted_range * BS)
continue;
// Add to set
block->refGrab();
m_drawlist[block->getPos()] = block;
sector_blocks_drawn++;
blocks_drawn++;
if (d / BS > farthest_drawn)
farthest_drawn = d / BS;
} // foreach sectorblocks
if (sector_blocks_drawn != 0)
m_last_drawn_sectors.insert(sp);
}
m_control.blocks_would_have_drawn = blocks_would_have_drawn;
m_control.blocks_drawn = blocks_drawn;
m_control.farthest_drawn = farthest_drawn;
g_profiler->avg("CM: blocks in range", blocks_in_range);
g_profiler->avg("CM: blocks occlusion culled", blocks_occlusion_culled);
if (blocks_in_range != 0)
g_profiler->avg("CM: blocks in range without mesh (frac)",
(float)blocks_in_range_without_mesh / blocks_in_range);
g_profiler->avg("CM: blocks drawn", blocks_drawn);
g_profiler->avg("CM: farthest drawn", farthest_drawn);
g_profiler->avg("CM: wanted max blocks", m_control.wanted_max_blocks);
}
void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
{
INodeDefManager *nodemgr = m_gamedef->ndef();
//m_dout<<DTIME<<"Rendering map..."<<std::endl;
DSTACK(__FUNCTION_NAME);
bool is_transparent_pass = pass == scene::ESNRP_TRANSPARENT;
std::string prefix;
if(pass == scene::ESNRP_SOLID)
prefix = "CM: solid: ";
else
prefix = "CM: transparent: ";
/*
This is called two times per frame, reset on the non-transparent one
*/
if(pass == scene::ESNRP_SOLID)
{
m_last_drawn_sectors.clear();
}
/*
Get time for measuring timeout.
Measuring time is very useful for long delays when the
machine is swapping a lot.
*/
int time1 = time(0);
/*
Get animation parameters
*/
float animation_time = m_client->getAnimationTime();
int crack = m_client->getCrackLevel();
u32 daynight_ratio = m_client->getEnv().getDayNightRatio();
m_camera_mutex.Lock();
v3f camera_position = m_camera_position;
v3f camera_direction = m_camera_direction;
f32 camera_fov = m_camera_fov;
m_camera_mutex.Unlock();
/*
Get all blocks and draw all visible ones
*/
v3s16 cam_pos_nodes = floatToInt(camera_position, BS);
v3s16 box_nodes_d = m_control.wanted_range * v3s16(1,1,1);
v3s16 p_nodes_min = cam_pos_nodes - box_nodes_d;
v3s16 p_nodes_max = cam_pos_nodes + box_nodes_d;
// Take a fair amount as we will be dropping more out later
// Umm... these additions are a bit strange but they are needed.
v3s16 p_blocks_min(
p_nodes_min.X / MAP_BLOCKSIZE - 3,
p_nodes_min.Y / MAP_BLOCKSIZE - 3,
p_nodes_min.Z / MAP_BLOCKSIZE - 3);
v3s16 p_blocks_max(
p_nodes_max.X / MAP_BLOCKSIZE + 1,
p_nodes_max.Y / MAP_BLOCKSIZE + 1,
p_nodes_max.Z / MAP_BLOCKSIZE + 1);
u32 vertex_count = 0;
u32 meshbuffer_count = 0;
// For limiting number of mesh animations per frame
u32 mesh_animate_count = 0;
u32 mesh_animate_count_far = 0;
// Number of blocks in rendering range
u32 blocks_in_range = 0;
// Number of blocks occlusion culled
u32 blocks_occlusion_culled = 0;
// Number of blocks in rendering range but don't have a mesh
u32 blocks_in_range_without_mesh = 0;
// Blocks that had mesh that would have been drawn according to
// rendering range (if max blocks limit didn't kick in)
u32 blocks_would_have_drawn = 0;
// Blocks that were drawn and had a mesh
u32 blocks_drawn = 0;
// Blocks which had a corresponding meshbuffer for this pass
u32 blocks_had_pass_meshbuf = 0;
// Blocks from which stuff was actually drawn
u32 blocks_without_stuff = 0;
/*
Collect a set of blocks for drawing
*/
core::map<v3s16, MapBlock*> drawset;
{
ScopeProfiler sp(g_profiler, prefix+"collecting blocks for drawing", SPT_AVG);
for(core::map<v2s16, MapSector*>::Iterator
si = m_sectors.getIterator();
si.atEnd() == false; si++)
{
MapSector *sector = si.getNode()->getValue();
v2s16 sp = sector->getPos();
if(m_control.range_all == false)
{
if(sp.X < p_blocks_min.X
|| sp.X > p_blocks_max.X
|| sp.Y < p_blocks_min.Z
|| sp.Y > p_blocks_max.Z)
continue;
}
core::list< MapBlock * > sectorblocks;
sector->getBlocks(sectorblocks);
/*
Loop through blocks in sector
*/
u32 sector_blocks_drawn = 0;
core::list< MapBlock * >::Iterator i;
for(i=sectorblocks.begin(); i!=sectorblocks.end(); i++)
{
MapBlock *block = *i;
/*
Compare block position to camera position, skip
if not seen on display
*/
float range = 100000 * BS;
if(m_control.range_all == false)
range = m_control.wanted_range * BS;
float d = 0.0;
if(isBlockInSight(block->getPos(), camera_position,
camera_direction, camera_fov,
range, &d) == false)
{
continue;
}
// This is ugly (spherical distance limit?)
/*if(m_control.range_all == false &&
d - 0.5*BS*MAP_BLOCKSIZE > range)
continue;*/
blocks_in_range++;
/*
Ignore if mesh doesn't exist
*/
{
//JMutexAutoLock lock(block->mesh_mutex);
if(block->mesh == NULL){
blocks_in_range_without_mesh++;
continue;
}
}
/*
Occlusion culling
*/
// No occlusion culling when free_move is on and camera is
// inside ground
bool occlusion_culling_enabled = true;
if(g_settings->getBool("free_move")){
MapNode n = getNodeNoEx(cam_pos_nodes);
if(n.getContent() == CONTENT_IGNORE ||
nodemgr->get(n).solidness == 2)
occlusion_culling_enabled = false;
}
v3s16 cpn = block->getPos() * MAP_BLOCKSIZE;
cpn += v3s16(MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2);
float step = BS*1;
float stepfac = 1.1;
float startoff = BS*1;
float endoff = -BS*MAP_BLOCKSIZE*1.42*1.42;
v3s16 spn = cam_pos_nodes + v3s16(0,0,0);
s16 bs2 = MAP_BLOCKSIZE/2 + 1;
u32 needed_count = 1;
if(
occlusion_culling_enabled &&
isOccluded(this, spn, cpn + v3s16(0,0,0),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(-bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(-bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr)
)
{
blocks_occlusion_culled++;
continue;
}
// This block is in range. Reset usage timer.
block->resetUsageTimer();
// Limit block count in case of a sudden increase
blocks_would_have_drawn++;
if(blocks_drawn >= m_control.wanted_max_blocks
&& m_control.range_all == false
&& d > m_control.wanted_min_range * BS)
continue;
// Mesh animation
{
//JMutexAutoLock lock(block->mesh_mutex);
MapBlockMesh *mapBlockMesh = block->mesh;
// Pretty random but this should work somewhat nicely
bool faraway = d >= BS*50;
//bool faraway = d >= m_control.wanted_range * BS;
if(mapBlockMesh->isAnimationForced() ||
!faraway ||
mesh_animate_count_far < (m_control.range_all ? 200 : 50))
{
bool animated = mapBlockMesh->animate(
faraway,
animation_time,
crack,
daynight_ratio);
if(animated)
mesh_animate_count++;
if(animated && faraway)
mesh_animate_count_far++;
}
else
{
mapBlockMesh->decreaseAnimationForceTimer();
}
}
// Add to set
drawset[block->getPos()] = block;
sector_blocks_drawn++;
blocks_drawn++;
} // foreach sectorblocks
if(sector_blocks_drawn != 0)
m_last_drawn_sectors[sp] = true;
}
} // ScopeProfiler
/*
Draw the selected MapBlocks
*/
{
ScopeProfiler sp(g_profiler, prefix+"drawing blocks", SPT_AVG);
int timecheck_counter = 0;
for(core::map<v3s16, MapBlock*>::Iterator
i = drawset.getIterator();
i.atEnd() == false; i++)
{
{
timecheck_counter++;
if(timecheck_counter > 50)
{
timecheck_counter = 0;
int time2 = time(0);
if(time2 > time1 + 4)
{
infostream<<"ClientMap::renderMap(): "
"Rendering takes ages, returning."
<<std::endl;
return;
}
}
}
MapBlock *block = i.getNode()->getValue();
/*
Draw the faces of the block
*/
{
//JMutexAutoLock lock(block->mesh_mutex);
MapBlockMesh *mapBlockMesh = block->mesh;
assert(mapBlockMesh);
scene::SMesh *mesh = mapBlockMesh->getMesh();
assert(mesh);
u32 c = mesh->getMeshBufferCount();
bool stuff_actually_drawn = false;
for(u32 i=0; i<c; i++)
{
scene::IMeshBuffer *buf = mesh->getMeshBuffer(i);
const video::SMaterial& material = buf->getMaterial();
video::IMaterialRenderer* rnd =
driver->getMaterialRenderer(material.MaterialType);
bool transparent = (rnd && rnd->isTransparent());
// Render transparent on transparent pass and likewise.
if(transparent == is_transparent_pass)
{
if(buf->getVertexCount() == 0)
errorstream<<"Block ["<<analyze_block(block)
<<"] contains an empty meshbuf"<<std::endl;
/*
This *shouldn't* hurt too much because Irrlicht
doesn't change opengl textures if the old
material has the same texture.
*/
driver->setMaterial(buf->getMaterial());
driver->drawMeshBuffer(buf);
vertex_count += buf->getVertexCount();
meshbuffer_count++;
stuff_actually_drawn = true;
}
}
if(stuff_actually_drawn)
blocks_had_pass_meshbuf++;
else
blocks_without_stuff++;
}
}
} // ScopeProfiler
// Log only on solid pass because values are the same
if(pass == scene::ESNRP_SOLID){
g_profiler->avg("CM: blocks in range", blocks_in_range);
g_profiler->avg("CM: blocks occlusion culled", blocks_occlusion_culled);
if(blocks_in_range != 0)
g_profiler->avg("CM: blocks in range without mesh (frac)",
(float)blocks_in_range_without_mesh/blocks_in_range);
g_profiler->avg("CM: blocks drawn", blocks_drawn);
g_profiler->avg("CM: animated meshes", mesh_animate_count);
g_profiler->avg("CM: animated meshes (far)", mesh_animate_count_far);
}
g_profiler->avg(prefix+"vertices drawn", vertex_count);
if(blocks_had_pass_meshbuf != 0)
g_profiler->avg(prefix+"meshbuffers per block",
(float)meshbuffer_count / (float)blocks_had_pass_meshbuf);
if(blocks_drawn != 0)
g_profiler->avg(prefix+"empty blocks (frac)",
(float)blocks_without_stuff / blocks_drawn);
m_control.blocks_drawn = blocks_drawn;
m_control.blocks_would_have_drawn = blocks_would_have_drawn;
/*infostream<<"renderMap(): is_transparent_pass="******", rendered "<<vertex_count<<" vertices."<<std::endl;*/
}
int RemoteClient::GetNextBlocks (
ServerEnvironment *env,
EmergeManager * emerge,
float dtime,
double m_uptime,
std::vector<PrioritySortedBlockTransfer> &dest)
{
DSTACK(FUNCTION_NAME);
auto lock = lock_unique_rec();
if (!lock->owns_lock())
return 0;
// Increment timers
m_nothing_to_send_pause_timer -= dtime;
m_nearest_unsent_reset_timer += dtime;
m_time_from_building += dtime;
if (m_nearest_unsent_reset) {
m_nearest_unsent_reset = 0;
m_nearest_unsent_reset_timer = 999;
m_nothing_to_send_pause_timer = 0;
m_time_from_building = 999;
}
if(m_nothing_to_send_pause_timer >= 0)
return 0;
Player *player = env->getPlayer(peer_id);
// This can happen sometimes; clients and players are not in perfect sync.
if(player == NULL)
return 0;
v3f playerpos = player->getPosition();
v3f playerspeed = player->getSpeed();
if(playerspeed.getLength() > 1000.0*BS) //cheater or bug, ignore him
return 0;
v3f playerspeeddir(0,0,0);
if(playerspeed.getLength() > 1.0*BS)
playerspeeddir = playerspeed / playerspeed.getLength();
// Predict to next block
v3f playerpos_predicted = playerpos + playerspeeddir*MAP_BLOCKSIZE*BS;
v3s16 center_nodepos = floatToInt(playerpos_predicted, BS);
v3s16 center = getNodeBlockPos(center_nodepos);
// Camera position and direction
v3f camera_pos = player->getEyePosition();
v3f camera_dir = v3f(0,0,1);
camera_dir.rotateYZBy(player->getPitch());
camera_dir.rotateXZBy(player->getYaw());
//infostream<<"camera_dir=("<<camera_dir<<")"<< " camera_pos="<<camera_pos<<std::endl;
/*
Get the starting value of the block finder radius.
*/
if(m_last_center != center)
{
m_last_center = center;
m_nearest_unsent_reset_timer = 999;
}
if (m_last_direction.getDistanceFrom(camera_dir)>0.4) { // 1 = 90deg
m_last_direction = camera_dir;
m_nearest_unsent_reset_timer = 999;
}
/*infostream<<"m_nearest_unsent_reset_timer="
<<m_nearest_unsent_reset_timer<<std::endl;*/
// Reset periodically to workaround for some bugs or stuff
if(m_nearest_unsent_reset_timer > 120.0)
{
m_nearest_unsent_reset_timer = 0;
m_nearest_unsent_d = 0;
m_nearest_unsent_reset = 0;
//infostream<<"Resetting m_nearest_unsent_d for "<<peer_id<<std::endl;
}
//s16 last_nearest_unsent_d = m_nearest_unsent_d;
s16 d_start = m_nearest_unsent_d;
//infostream<<"d_start="<<d_start<<std::endl;
static const u16 max_simul_sends_setting = g_settings->getU16
("max_simultaneous_block_sends_per_client");
static const u16 max_simul_sends_usually = max_simul_sends_setting;
/*
Check the time from last addNode/removeNode.
Decrease send rate if player is building stuff.
*/
static const auto full_block_send_enable_min_time_from_building = g_settings->getFloat("full_block_send_enable_min_time_from_building");
if(m_time_from_building < full_block_send_enable_min_time_from_building)
{
/*
max_simul_sends_usually
= LIMITED_MAX_SIMULTANEOUS_BLOCK_SENDS;
*/
if(d_start<=1)
d_start=2;
m_nearest_unsent_reset_timer = 999; //magical number more than ^ other number 120 - need to reset d on next iteration
}
/*
Number of blocks sending + number of blocks selected for sending
*/
u32 num_blocks_selected = 0;
u32 num_blocks_sending = 0;
/*
next time d will be continued from the d from which the nearest
unsent block was found this time.
This is because not necessarily any of the blocks found this
time are actually sent.
*/
s32 new_nearest_unsent_d = -1;
static const auto max_block_send_distance = g_settings->getS16("max_block_send_distance");
s16 full_d_max = max_block_send_distance;
if (wanted_range) {
s16 wanted_blocks = wanted_range / MAP_BLOCKSIZE + 1;
if (wanted_blocks < full_d_max)
full_d_max = wanted_blocks;
}
s16 d_max = full_d_max;
static const s16 d_max_gen = g_settings->getS16("max_block_generate_distance");
// Don't loop very much at a time
s16 max_d_increment_at_time = 10;
if(d_max > d_start + max_d_increment_at_time)
d_max = d_start + max_d_increment_at_time;
/*if(d_max_gen > d_start+2)
d_max_gen = d_start+2;*/
//infostream<<"Starting from "<<d_start<<std::endl;
s32 nearest_emerged_d = -1;
s32 nearest_emergefull_d = -1;
s32 nearest_sent_d = -1;
//bool queue_is_full = false;
f32 speed_in_blocks = (playerspeed/(MAP_BLOCKSIZE*BS)).getLength();
int blocks_occlusion_culled = 0;
static const bool server_occlusion = g_settings->getBool("server_occlusion");
bool occlusion_culling_enabled = server_occlusion;
auto cam_pos_nodes = floatToInt(playerpos, BS);
auto nodemgr = env->getGameDef()->getNodeDefManager();
MapNode n;
{
#if !ENABLE_THREADS
auto lock = env->getServerMap().m_nothread_locker.lock_shared_rec();
#endif
n = env->getMap().getNodeTry(cam_pos_nodes);
}
if(n && nodemgr->get(n).solidness == 2)
occlusion_culling_enabled = false;
unordered_map_v3POS<bool> occlude_cache;
s16 d;
for(d = d_start; d <= d_max; d++) {
/*errorstream<<"checking d="<<d<<" for "
<<server->getPlayerName(peer_id)<<std::endl;*/
//infostream<<"RemoteClient::SendBlocks(): d="<<d<<" d_start="<<d_start<<" d_max="<<d_max<<" d_max_gen="<<d_max_gen<<std::endl;
std::vector<v3POS> list;
if (d > 2 && d == d_start && m_nearest_unsent_reset_timer != 999) { // oops, again magic number from up ^
list.push_back(v3POS(0,0,0));
}
bool can_skip = d > 1;
// Fast fall/move optimize. speed_in_blocks now limited to 6.4
if (speed_in_blocks>0.8 && d <= 2) {
can_skip = false;
if (d == 0) {
for(s16 addn = 0; addn < (speed_in_blocks+1)*2; ++addn)
list.push_back(floatToInt(playerspeeddir*addn, 1));
} else if (d == 1) {
for(s16 addn = 0; addn < (speed_in_blocks+1)*1.5; ++addn) {
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( 0, 0, 1)); // back
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( -1, 0, 0)); // left
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( 1, 0, 0)); // right
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( 0, 0, -1)); // front
}
} else if (d == 2) {
for(s16 addn = 0; addn < (speed_in_blocks+1)*1.5; ++addn) {
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( -1, 0, 1)); // back left
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( 1, 0, 1)); // left right
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( -1, 0, -1)); // right left
list.push_back(floatToInt(playerspeeddir*addn, 1) + v3POS( 1, 0, -1)); // front right
}
}
} else {
/*
Get the border/face dot coordinates of a "d-radiused"
box
*/
list = FacePositionCache::getFacePositions(d);
}
for(auto li=list.begin(); li!=list.end(); ++li)
{
v3POS p = *li + center;
/*
Send throttling
- Don't allow too many simultaneous transfers
- EXCEPT when the blocks are very close
Also, don't send blocks that are already flying.
*/
// Start with the usual maximum
u16 max_simul_dynamic = max_simul_sends_usually;
// If block is very close, allow full maximum
if(d <= BLOCK_SEND_DISABLE_LIMITS_MAX_D)
max_simul_dynamic = max_simul_sends_setting;
// Don't select too many blocks for sending
if (num_blocks_selected + num_blocks_sending >= max_simul_dynamic) {
//queue_is_full = true;
goto queue_full_break;
}
/*
Do not go over-limit
*/
if (blockpos_over_limit(p))
continue;
// If this is true, inexistent block will be made from scratch
bool generate = d <= d_max_gen;
{
/*// Limit the generating area vertically to 2/3
if(abs(p.Y - center.Y) > d_max_gen - d_max_gen / 3)
generate = false;*/
/* maybe good idea (if not use block culling) but brokes far (25+) area generate by flooding emergequeue with no generate blocks
// Limit the send area vertically to 1/2
if(can_skip && abs(p.Y - center.Y) > full_d_max / 2)
generate = false;
*/
}
//infostream<<"d="<<d<<std::endl;
/*
Don't generate or send if not in sight
FIXME This only works if the client uses a small enough
FOV setting. The default of 72 degrees is fine.
*/
float camera_fov = ((fov+5)*M_PI/180) * 4./3.;
if(can_skip && isBlockInSight(p, camera_pos, camera_dir, camera_fov, 10000*BS) == false)
{
continue;
}
/*
Don't send already sent blocks
*/
unsigned int block_sent = 0;
{
auto lock = m_blocks_sent.lock_shared_rec();
block_sent = m_blocks_sent.find(p) != m_blocks_sent.end() ? m_blocks_sent.get(p) : 0;
}
if(block_sent > 0 && (/* (block_overflow && d>1) || */ block_sent + (d <= 2 ? 1 : d*d*d) > m_uptime)) {
continue;
}
/*
Check if map has this block
*/
MapBlock *block;
{
#if !ENABLE_THREADS
auto lock = env->getServerMap().m_nothread_locker.lock_shared_rec();
#endif
block = env->getMap().getBlockNoCreateNoEx(p);
}
bool surely_not_found_on_disk = false;
bool block_is_invalid = false;
if(block != NULL)
{
if (d > 3 && block->content_only == CONTENT_AIR) {
continue;
}
if (block_sent > 0 && block_sent >= block->m_changed_timestamp) {
continue;
}
if (occlusion_culling_enabled) {
ScopeProfiler sp(g_profiler, "SMap: Occusion calls");
//Occlusion culling
auto cpn = p*MAP_BLOCKSIZE;
// No occlusion culling when free_move is on and camera is
// inside ground
cpn += v3POS(MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2);
float step = 1;
float stepfac = 1.3;
float startoff = 5;
float endoff = -MAP_BLOCKSIZE;
v3POS spn = cam_pos_nodes + v3POS(0,0,0);
s16 bs2 = MAP_BLOCKSIZE/2 + 1;
u32 needed_count = 1;
#if !ENABLE_THREADS
auto lock = env->getServerMap().m_nothread_locker.lock_shared_rec();
#endif
//VERY BAD COPYPASTE FROM clientmap.cpp!
if( d >= 1 &&
occlusion_culling_enabled &&
isOccluded(&env->getMap(), spn, cpn + v3POS(0,0,0),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(-bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(-bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(-bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache) &&
isOccluded(&env->getMap(), spn, cpn + v3POS(-bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr, occlude_cache)
)
{
//infostream<<" occlusion player="<<cam_pos_nodes<<" d="<<d<<" block="<<cpn<<" total="<<blocks_occlusion_culled<<"/"<<num_blocks_selected<<std::endl;
g_profiler->add("SMap: Occlusion skip", 1);
blocks_occlusion_culled++;
continue;
}
}
// Reset usage timer, this block will be of use in the future.
block->resetUsageTimer();
if (block->getLightingExpired()) {
//env->getServerMap().lighting_modified_blocks.set(p, nullptr);
env->getServerMap().lighting_modified_add(p, d);
}
if (block->lighting_broken > 0 && (block_sent || d > 0))
continue;
// Block is valid if lighting is up-to-date and data exists
if(block->isValid() == false)
{
block_is_invalid = true;
}
if(block->isGenerated() == false)
{
continue;
}
/*
If block is not close, don't send it unless it is near
ground level.
Block is near ground level if night-time mesh
differs from day-time mesh.
*/
/*
if(d >= 4)
{
if(block->getDayNightDiff() == false)
continue;
}
*/
}
/*
If block has been marked to not exist on disk (dummy)
and generating new ones is not wanted, skip block.
*/
if(generate == false && surely_not_found_on_disk == true)
{
// get next one.
continue;
}
/*
Add inexistent block to emerge queue.
*/
if(block == NULL || surely_not_found_on_disk || block_is_invalid)
{
//infostream<<"start gen d="<<d<<" p="<<p<<" notfound="<<surely_not_found_on_disk<<" invalid="<< block_is_invalid<<" block="<<block<<" generate="<<generate<<std::endl;
if (emerge->enqueueBlockEmerge(peer_id, p, generate)) {
if (nearest_emerged_d == -1)
nearest_emerged_d = d;
} else {
if (nearest_emergefull_d == -1)
nearest_emergefull_d = d;
goto queue_full_break;
}
// get next one.
continue;
}
if(nearest_sent_d == -1)
nearest_sent_d = d;
/*
Add block to send queue
*/
PrioritySortedBlockTransfer q((float)d, p, peer_id);
dest.push_back(q);
num_blocks_selected += 1;
}
}
queue_full_break:
//infostream<<"Stopped at "<<d<<" d_start="<<d_start<< " d_max="<<d_max<<" nearest_emerged_d="<<nearest_emerged_d<<" nearest_emergefull_d="<<nearest_emergefull_d<< " new_nearest_unsent_d="<<new_nearest_unsent_d<< " sel="<<num_blocks_selected<< "+"<<num_blocks_sending << " culled=" << blocks_occlusion_culled <<" cEN="<<occlusion_culling_enabled<<std::endl;
num_blocks_selected += num_blocks_sending;
if(!num_blocks_selected && d_start <= d) {
//new_nearest_unsent_d = 0;
m_nothing_to_send_pause_timer = 1.0;
}
// If nothing was found for sending and nothing was queued for
// emerging, continue next time browsing from here
if(nearest_emerged_d != -1){
new_nearest_unsent_d = nearest_emerged_d;
} else if(nearest_emergefull_d != -1){
new_nearest_unsent_d = nearest_emergefull_d;
} else {
if(d > full_d_max){
new_nearest_unsent_d = 0;
m_nothing_to_send_pause_timer = 1.0;
} else {
if(nearest_sent_d != -1)
new_nearest_unsent_d = nearest_sent_d;
else
new_nearest_unsent_d = d;
}
}
if(new_nearest_unsent_d != -1)
m_nearest_unsent_d = new_nearest_unsent_d;
return num_blocks_selected - num_blocks_sending;
}
void ClientMap::updateDrawList(video::IVideoDriver* driver, float dtime)
{
ScopeProfiler sp(g_profiler, "CM::updateDrawList()", SPT_AVG);
//g_profiler->add("CM::updateDrawList() count", 1);
INodeDefManager *nodemgr = m_gamedef->ndef();
if (!m_drawlist_last)
m_drawlist_current = !m_drawlist_current;
auto & drawlist = m_drawlist_current ? m_drawlist_1 : m_drawlist_0;
float max_cycle_ms = 0.1/getControl().fps_wanted;
u32 n = 0, calls = 0, end_ms = porting::getTimeMs() + max_cycle_ms;
m_camera_mutex.Lock();
v3f camera_position = m_camera_position;
v3f camera_direction = m_camera_direction;
f32 camera_fov = m_camera_fov;
v3s16 camera_offset = m_camera_offset;
m_camera_mutex.Unlock();
// Use a higher fov to accomodate faster camera movements.
// Blocks are cropped better when they are drawn.
// Or maybe they aren't? Well whatever.
camera_fov *= 1.2;
v3s16 cam_pos_nodes = floatToInt(camera_position, BS);
v3s16 box_nodes_d = m_control.wanted_range * v3s16(1,1,1);
v3s16 p_nodes_min = cam_pos_nodes - box_nodes_d;
v3s16 p_nodes_max = cam_pos_nodes + box_nodes_d;
// Take a fair amount as we will be dropping more out later
// Umm... these additions are a bit strange but they are needed.
v3s16 p_blocks_min(
p_nodes_min.X / MAP_BLOCKSIZE - 3,
p_nodes_min.Y / MAP_BLOCKSIZE - 3,
p_nodes_min.Z / MAP_BLOCKSIZE - 3);
v3s16 p_blocks_max(
p_nodes_max.X / MAP_BLOCKSIZE + 1,
p_nodes_max.Y / MAP_BLOCKSIZE + 1,
p_nodes_max.Z / MAP_BLOCKSIZE + 1);
// Number of blocks in rendering range
u32 blocks_in_range = 0;
// Number of blocks occlusion culled
u32 blocks_occlusion_culled = 0;
// Number of blocks in rendering range but don't have a mesh
u32 blocks_in_range_without_mesh = 0;
// Blocks that had mesh that would have been drawn according to
// rendering range (if max blocks limit didn't kick in)
u32 blocks_would_have_drawn = 0;
// Blocks that were drawn and had a mesh
u32 blocks_drawn = 0;
// Blocks which had a corresponding meshbuffer for this pass
//u32 blocks_had_pass_meshbuf = 0;
// Blocks from which stuff was actually drawn
//u32 blocks_without_stuff = 0;
// Distance to farthest drawn block
float farthest_drawn = 0;
{
auto lock = m_blocks.lock_shared_rec();
for(auto & ir : m_blocks) {
if (n++ < m_drawlist_last)
continue;
else
m_drawlist_last = 0;
++calls;
MapBlock *block = ir.second;
auto bp = block->getPos();
if(m_control.range_all == false)
{
if(bp.X < p_blocks_min.X
|| bp.X > p_blocks_max.X
|| bp.Z > p_blocks_max.Z
|| bp.Z < p_blocks_min.Z
|| bp.Y < p_blocks_min.Y
|| bp.Y > p_blocks_max.Y)
continue;
}
int mesh_step = getFarmeshStep(m_control, getNodeBlockPos(cam_pos_nodes).getDistanceFrom(block->getPos()));
/*
Compare block position to camera position, skip
if not seen on display
*/
if (block->getMesh(mesh_step) != NULL)
block->getMesh(mesh_step)->updateCameraOffset(m_camera_offset);
float range = 100000 * BS;
if(m_control.range_all == false)
range = m_control.wanted_range * BS;
float d = 0.0;
if(isBlockInSight(block->getPos(), camera_position,
camera_direction, camera_fov,
range, &d) == false)
{
continue;
}
// This is ugly (spherical distance limit?)
/*if(m_control.range_all == false &&
d - 0.5*BS*MAP_BLOCKSIZE > range)
continue;*/
blocks_in_range++;
/*
Ignore if mesh doesn't exist
*/
{
//JMutexAutoLock lock(block->mesh_mutex);
if(block->getMesh(mesh_step) == NULL){
blocks_in_range_without_mesh++;
continue;
}
}
/*
Occlusion culling
*/
// No occlusion culling when free_move is on and camera is
// inside ground
bool occlusion_culling_enabled = true;
if(g_settings->getBool("free_move")){
MapNode n = getNodeNoEx(cam_pos_nodes);
if(n.getContent() == CONTENT_IGNORE ||
nodemgr->get(n).solidness == 2)
occlusion_culling_enabled = false;
}
v3s16 cpn = block->getPos() * MAP_BLOCKSIZE;
cpn += v3s16(MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2);
float step = BS*1;
float stepfac = 1.1;
float startoff = BS*1;
float endoff = -BS*MAP_BLOCKSIZE*1.42*1.42;
v3s16 spn = cam_pos_nodes + v3s16(0,0,0);
s16 bs2 = MAP_BLOCKSIZE/2 + 1;
u32 needed_count = 1;
if(
occlusion_culling_enabled &&
isOccluded(this, spn, cpn + v3s16(0,0,0),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(-bs2,bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(-bs2,bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr) &&
isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,-bs2),
step, stepfac, startoff, endoff, needed_count, nodemgr)
)
{
blocks_occlusion_culled++;
continue;
}
// This block is in range. Reset usage timer.
block->resetUsageTimer();
// Limit block count in case of a sudden increase
blocks_would_have_drawn++;
if(blocks_drawn >= m_control.wanted_max_blocks
&& m_control.range_all == false
&& d > m_control.wanted_min_range * BS)
continue;
if (m_control.farmesh && mesh_step != block->getMesh(mesh_step)->step) { //&& !block->mesh->transparent
m_client->addUpdateMeshTask(block->getPos(), false, mesh_step == 1);
}
block->getMesh(mesh_step)->incrementUsageTimer(dtime);
// Add to set
block->refGrab();
drawlist[block->getPos()] = block;
blocks_drawn++;
if(d/BS > farthest_drawn)
farthest_drawn = d/BS;
if (porting::getTimeMs() > end_ms) {
m_drawlist_last = n;
break;
}
}
}
if (!calls)
m_drawlist_last = 0;
if (m_drawlist_last)
return;
for (auto & ir : *m_drawlist)
ir.second->refDrop();
m_drawlist->clear();
m_drawlist = m_drawlist_current ? &m_drawlist_1 : &m_drawlist_0;
m_control.blocks_would_have_drawn = blocks_would_have_drawn;
m_control.blocks_drawn = blocks_drawn;
m_control.farthest_drawn = farthest_drawn;
g_profiler->avg("CM: blocks in range", blocks_in_range);
g_profiler->avg("CM: blocks occlusion culled", blocks_occlusion_culled);
if(blocks_in_range != 0)
g_profiler->avg("CM: blocks in range without mesh (frac)",
(float)blocks_in_range_without_mesh/blocks_in_range);
g_profiler->avg("CM: blocks drawn", blocks_drawn);
g_profiler->avg("CM: farthest drawn", farthest_drawn);
g_profiler->avg("CM: wanted max blocks", m_control.wanted_max_blocks);
}