ISceneNode::OnRegisterSceneNode();
}
-static bool isOccluded(Map *map, v3s16 p0, v3s16 p1, float step, float stepfac,
- float start_off, float end_off, u32 needed_count, INodeDefManager *nodemgr)
-{
- 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;
- const ContentFeatures &f = nodemgr->get(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::getBlocksInViewRange(v3s16 cam_pos_nodes,
v3s16 *p_blocks_min, v3s16 *p_blocks_max)
{
/*
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;
- // 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, m_nodedef) &&
- isOccluded(this, spn, cpn + v3s16(bs2,bs2,bs2),
- step, stepfac, startoff, endoff, needed_count, m_nodedef) &&
- isOccluded(this, spn, cpn + v3s16(bs2,bs2,-bs2),
- step, stepfac, startoff, endoff, needed_count, m_nodedef) &&
- isOccluded(this, spn, cpn + v3s16(bs2,-bs2,bs2),
- step, stepfac, startoff, endoff, needed_count, m_nodedef) &&
- isOccluded(this, spn, cpn + v3s16(bs2,-bs2,-bs2),
- step, stepfac, startoff, endoff, needed_count, m_nodedef) &&
- isOccluded(this, spn, cpn + v3s16(-bs2,bs2,bs2),
- step, stepfac, startoff, endoff, needed_count, m_nodedef) &&
- isOccluded(this, spn, cpn + v3s16(-bs2,bs2,-bs2),
- step, stepfac, startoff, endoff, needed_count, m_nodedef) &&
- isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,bs2),
- step, stepfac, startoff, endoff, needed_count, m_nodedef) &&
- isOccluded(this, spn, cpn + v3s16(-bs2,-bs2,-bs2),
- step, stepfac, startoff, endoff, needed_count, m_nodedef)) {
+ if (occlusion_culling_enabled && isBlockOccluded(block, cam_pos_nodes)) {
blocks_occlusion_culled++;
continue;
}
struct MeshBufList
{
+ /*!
+ * Specifies in which layer the list is.
+ * All lists which are in a lower layer are rendered before this list.
+ */
+ u8 layer;
video::SMaterial m;
std::vector<scene::IMeshBuffer*> bufs;
};
lists.clear();
}
- void add(scene::IMeshBuffer *buf)
+ void add(scene::IMeshBuffer *buf, u8 layer)
{
const video::SMaterial &m = buf->getMaterial();
for(std::vector<MeshBufList>::iterator i = lists.begin();
if (l.m.TextureLayer[0].Texture != m.TextureLayer[0].Texture)
continue;
+ if(l.layer != layer)
+ continue;
+
if (l.m == m) {
l.bufs.push_back(buf);
return;
}
}
MeshBufList l;
+ l.layer = layer;
l.m = m;
l.bufs.push_back(buf);
lists.push_back(l);
continue;
// Mesh animation
- {
+ if (pass == scene::ESNRP_SOLID) {
//MutexAutoLock lock(block->mesh_mutex);
MapBlockMesh *mapBlockMesh = block->mesh;
assert(mapBlockMesh);
MapBlockMesh *mapBlockMesh = block->mesh;
assert(mapBlockMesh);
- scene::IMesh *mesh = mapBlockMesh->getMesh();
- assert(mesh);
+ for (int layer = 0; layer < MAX_TILE_LAYERS; layer++) {
+ scene::IMesh *mesh = mapBlockMesh->getMesh(layer);
+ assert(mesh);
- u32 c = mesh->getMeshBufferCount();
- for (u32 i = 0; i < c; i++)
- {
- scene::IMeshBuffer *buf = mesh->getMeshBuffer(i);
+ u32 c = mesh->getMeshBufferCount();
+ for (u32 i = 0; i < c; i++) {
+ scene::IMeshBuffer *buf = mesh->getMeshBuffer(i);
- video::SMaterial& material = buf->getMaterial();
- video::IMaterialRenderer* rnd =
+ video::SMaterial& material = buf->getMaterial();
+ video::IMaterialRenderer* rnd =
driver->getMaterialRenderer(material.MaterialType);
- bool transparent = (rnd && rnd->isTransparent());
- if (transparent == is_transparent_pass) {
- if (buf->getVertexCount() == 0)
- errorstream << "Block [" << analyze_block(block)
- << "] contains an empty meshbuf" << std::endl;
-
- material.setFlag(video::EMF_TRILINEAR_FILTER, m_cache_trilinear_filter);
- material.setFlag(video::EMF_BILINEAR_FILTER, m_cache_bilinear_filter);
- material.setFlag(video::EMF_ANISOTROPIC_FILTER, m_cache_anistropic_filter);
- material.setFlag(video::EMF_WIREFRAME, m_control.show_wireframe);
-
- drawbufs.add(buf);
+ bool transparent = (rnd && rnd->isTransparent());
+ if (transparent == is_transparent_pass) {
+ if (buf->getVertexCount() == 0)
+ errorstream << "Block [" << analyze_block(block)
+ << "] contains an empty meshbuf" << std::endl;
+
+ material.setFlag(video::EMF_TRILINEAR_FILTER,
+ m_cache_trilinear_filter);
+ material.setFlag(video::EMF_BILINEAR_FILTER,
+ m_cache_bilinear_filter);
+ material.setFlag(video::EMF_ANISOTROPIC_FILTER,
+ m_cache_anistropic_filter);
+ material.setFlag(video::EMF_WIREFRAME,
+ m_control.show_wireframe);
+
+ drawbufs.add(buf, layer);
+ }
}
}
}
projects / dragonfireclient.git / blobdiff