#include "mapsector.h"
#include "mapblock.h"
#include "main.h"
+#ifndef SERVER
#include "client.h"
+#endif
#include "filesys.h"
#include "utility.h"
#include "voxel.h"
ISceneNode::OnRegisterSceneNode();
}
+static bool isOccluded(Map *map, v3s16 p0, v3s16 p1, float step, float stepfac,
+ float start_off, float end_off, u32 needed_count)
+{
+ float d0 = (float)BS * p0.getDistanceFrom(p1);
+ v3s16 u0 = p1 - p0;
+ v3f uf = v3f(u0.X, u0.Y, u0.Z) * BS;
+ uf.normalize();
+ v3f p0f = v3f(p0.X, p0.Y, p0.Z) * BS;
+ u32 count = 0;
+ for(float s=start_off; s<d0+end_off; s+=step){
+ v3f pf = p0f + uf * s;
+ v3s16 p = floatToInt(pf, BS);
+ MapNode n = map->getNodeNoEx(p);
+ bool is_transparent = false;
+ ContentFeatures &f = content_features(n);
+ if(f.solidness == 0)
+ is_transparent = (f.visual_solidness != 2);
+ else
+ is_transparent = (f.solidness != 2);
+ if(!is_transparent){
+ count++;
+ if(count >= needed_count)
+ return true;
+ }
+ step *= stepfac;
+ }
+ return false;
+}
+
void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
{
//m_dout<<DTIME<<"Rendering map..."<<std::endl;
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
*/
Get all blocks and draw all visible ones
*/
- v3s16 cam_pos_nodes(
- camera_position.X / BS,
- camera_position.Y / BS,
- camera_position.Z / BS);
-
+ 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 - 2,
- p_nodes_min.Y / MAP_BLOCKSIZE - 2,
- p_nodes_min.Z / MAP_BLOCKSIZE - 2);
+ 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,
// For limiting number of mesh updates per frame
u32 mesh_update_count = 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;
- int timecheck_counter = 0;
- core::map<v2s16, MapSector*>::Iterator si;
- si = m_sectors.getIterator();
- for(; si.atEnd() == false; si++)
{
- {
- 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;
- }
- }
- }
+ 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();
sector->getBlocks(sectorblocks);
/*
- Draw blocks
+ Loop through blocks in sector
*/
-
- u32 sector_blocks_drawn = 0;
+ u32 sector_blocks_drawn = 0;
+
core::list< MapBlock * >::Iterator i;
for(i=sectorblocks.begin(); i!=sectorblocks.end(); i++)
{
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,
continue;
}
- // Okay, this block will be drawn. Reset usage timer.
- block->resetUsageTimer();
-
// This is ugly (spherical distance limit?)
/*if(m_control.range_all == false &&
d - 0.5*BS*MAP_BLOCKSIZE > range)
continue;*/
+ blocks_in_range++;
+
#if 1
/*
Update expired mesh (used for day/night change)
// Mesh has not been expired and there is no mesh:
// block has no content
- if(block->mesh == NULL && mesh_expired == false)
+ if(block->mesh == NULL && mesh_expired == false){
+ blocks_in_range_without_mesh++;
continue;
+ }
}
f32 faraway = BS*50;
mesh_expired = false;
}
-
#endif
+
+ /*
+ Occlusion culling
+ */
+
+ 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(
+ isOccluded(this, spn, cpn + v3s16(0,0,0),
+ step, stepfac, startoff, endoff, needed_count) &&
+ isOccluded(this, spn, cpn + v3s16(bs2,bs2,bs2),
+ step, stepfac, startoff, endoff, needed_count) &&
+ isOccluded(this, spn, cpn + v3s16(bs2,bs2,-bs2),
+ step, stepfac, startoff, endoff, needed_count) &&
+ isOccluded(this, spn, cpn + v3s16(bs2,-bs2,bs2),
+ step, stepfac, startoff, endoff, needed_count) &&
+ isOccluded(this, spn, cpn + v3s16(bs2,-bs2,-bs2),
+ step, stepfac, startoff, endoff, needed_count) &&
+ isOccluded(this, spn, cpn + v3s16(-bs2,bs2,bs2),
+ step, stepfac, startoff, endoff, needed_count) &&
+ isOccluded(this, spn, cpn + v3s16(-bs2,bs2,-bs2),
+ step, stepfac, startoff, endoff, needed_count) &&
+ isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,bs2),
+ step, stepfac, startoff, endoff, needed_count) &&
+ isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,-bs2),
+ step, stepfac, startoff, endoff, needed_count)
+ )
+ {
+ blocks_occlusion_culled++;
+ continue;
+ }
+
+ // This block is in range. Reset usage timer.
+ block->resetUsageTimer();
+
/*
- Draw the faces of the block
+ Ignore if mesh doesn't exist
*/
{
JMutexAutoLock lock(block->mesh_mutex);
scene::SMesh *mesh = block->mesh;
-
- if(mesh == NULL)
- continue;
- blocks_would_have_drawn++;
- if(blocks_drawn >= m_control.wanted_max_blocks
- && m_control.range_all == false
- && d > m_control.wanted_min_range * BS)
+ if(mesh == NULL){
+ blocks_in_range_without_mesh++;
continue;
+ }
+ }
+
+ // 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
+ drawset[block->getPos()] = block;
+
+ sector_blocks_drawn++;
+ blocks_drawn++;
- blocks_drawn++;
- sector_blocks_drawn++;
+ } // foreach sectorblocks
- u32 c = mesh->getMeshBufferCount();
- meshbuffer_count += c;
+ if(sector_blocks_drawn != 0)
+ m_last_drawn_sectors[sp] = true;
+ }
+ } // ScopeProfiler
+
+ /*
+ Draw the selected MapBlocks
+ */
- for(u32 i=0; i<c; i++)
+ {
+ 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)
{
- 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)
- {
- /*
- This *shouldn't* hurt too much because Irrlicht
- doesn't change opengl textures if the old
- material is set again.
- */
- driver->setMaterial(buf->getMaterial());
- driver->drawMeshBuffer(buf);
- vertex_count += buf->getVertexCount();
- }
+ infostream<<"ClientMap::renderMap(): "
+ "Rendering takes ages, returning."
+ <<std::endl;
+ return;
}
}
- } // foreach sectorblocks
+ }
+
+ MapBlock *block = i.getNode()->getValue();
- if(sector_blocks_drawn != 0)
+ /*
+ Draw the faces of the block
+ */
{
- m_last_drawn_sectors[sp] = true;
+ JMutexAutoLock lock(block->mesh_mutex);
+
+ scene::SMesh *mesh = block->mesh;
+ 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 drawn on solid pass", blocks_drawn);
- g_profiler->avg("CM: vertices drawn on solid pass", vertex_count);
- if(blocks_drawn != 0)
- g_profiler->avg("CM: solid meshbuffers per block",
- (float)meshbuffer_count / (float)blocks_drawn);
- } else {
- g_profiler->avg("CM: blocks drawn on transparent pass", blocks_drawn);
- g_profiler->avg("CM: vertices drawn on transparent pass", vertex_count);
+ 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(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;
projects / oweals / minetest.git / blobdiff