- /*
- Check temporary modifications on this node
- */
- core::map<v3s16, NodeMod>::Node *n;
- n = m_temp_mods.find(p);
-
- // If modified
- if(n != NULL)
- {
- struct NodeMod mod = n->getValue();
- if(mod.type == NODEMOD_CHANGECONTENT)
- {
- spec.id = content_tile(mod.param, face_dir);
- }
- if(mod.type == NODEMOD_CRACK)
- {
- spec.feature = TILEFEAT_CRACK;
- spec.param.crack.progression = mod.param;
- }
- }
-
- return spec;
-}
-
-u8 MapBlock::getNodeContent(v3s16 p, MapNode mn)
-{
- /*
- Check temporary modifications on this node
- */
- core::map<v3s16, NodeMod>::Node *n;
- n = m_temp_mods.find(p);
-
- // If modified
- if(n != NULL)
- {
- struct NodeMod mod = n->getValue();
- if(mod.type == NODEMOD_CHANGECONTENT)
- {
- // Overrides content
- return mod.param;
- }
- if(mod.type == NODEMOD_CRACK)
- {
- /*
- Content doesn't change.
-
- face_contents works just like it should, because
- there should not be faces between differently cracked
- nodes.
-
- If a semi-transparent node is cracked in front an
- another one, it really doesn't matter whether there
- is a cracked face drawn in between or not.
- */
- }
- }
-
- return mn.d;
-}
-
-/*
- startpos:
- translate_dir: unit vector with only one of x, y or z
- face_dir: unit vector with only one of x, y or z
-*/
-void MapBlock::updateFastFaceRow(
- u32 daynight_ratio,
- v3f posRelative_f,
- v3s16 startpos,
- u16 length,
- v3s16 translate_dir,
- v3f translate_dir_f,
- v3s16 face_dir,
- v3f face_dir_f,
- core::array<FastFace> &dest)
-{
- v3s16 p = startpos;
-
- u16 continuous_tiles_count = 0;
-
- MapNode n0 = getNodeParentNoEx(p);
- MapNode n1 = getNodeParentNoEx(p + face_dir);
-
- u8 light = getFaceLight(daynight_ratio, n0, n1, face_dir);
-
- TileSpec tile0 = getNodeTile(n0, p, face_dir);
- TileSpec tile1 = getNodeTile(n1, p + face_dir, -face_dir);
-
- for(u16 j=0; j<length; j++)
- {
- bool next_is_different = true;
-
- v3s16 p_next;
- MapNode n0_next;
- MapNode n1_next;
- TileSpec tile0_next;
- TileSpec tile1_next;
- u8 light_next = 0;
-
- if(j != length - 1)
- {
- p_next = p + translate_dir;
- n0_next = getNodeParentNoEx(p_next);
- n1_next = getNodeParentNoEx(p_next + face_dir);
- tile0_next = getNodeTile(n0_next, p_next, face_dir);
- tile1_next = getNodeTile(n1_next, p_next + face_dir, -face_dir);
- light_next = getFaceLight(daynight_ratio, n0_next, n1_next, face_dir);
-
- if(tile0_next == tile0
- && tile1_next == tile1
- && light_next == light)
- {
- next_is_different = false;
- }
- }
-
- continuous_tiles_count++;
-
- if(next_is_different)
- {
- /*
- Create a face if there should be one
- */
- //u8 mf = face_contents(tile0, tile1);
- // This is hackish
- u8 content0 = getNodeContent(p, n0);
- u8 content1 = getNodeContent(p + face_dir, n1);
- u8 mf = face_contents(content0, content1);
-
- if(mf != 0)
- {
- // Floating point conversion of the position vector
- v3f pf(p.X, p.Y, p.Z);
- // Center point of face (kind of)
- v3f sp = pf - ((f32)continuous_tiles_count / 2. - 0.5) * translate_dir_f;
- v3f scale(1,1,1);
- if(translate_dir.X != 0){
- scale.X = continuous_tiles_count;
- }
- if(translate_dir.Y != 0){
- scale.Y = continuous_tiles_count;
- }
- if(translate_dir.Z != 0){
- scale.Z = continuous_tiles_count;
- }
-
- //FastFace *f;
-
- // If node at sp (tile0) is more solid
- if(mf == 1)
- {
- makeFastFace(tile0, decode_light(light),
- sp, face_dir, scale,
- posRelative_f, dest);
- }
- // If node at sp is less solid (mf == 2)
- else
- {
- makeFastFace(tile1, decode_light(light),
- sp+face_dir_f, -face_dir, scale,
- posRelative_f, dest);
- }
- //dest.push_back(f);
- }
-
- continuous_tiles_count = 0;
- n0 = n0_next;
- n1 = n1_next;
- tile0 = tile0_next;
- tile1 = tile1_next;
- light = light_next;
- }
-
- p = p_next;
- }
-}
-
-/*
- This is used because CMeshBuffer::append() is very slow
-*/
-struct PreMeshBuffer
-{
- video::SMaterial material;
- core::array<u16> indices;
- core::array<video::S3DVertex> vertices;
-};
-
-class MeshCollector
-{
-public:
- void append(
- video::SMaterial material,
- const video::S3DVertex* const vertices,
- u32 numVertices,
- const u16* const indices,
- u32 numIndices
- )
- {
- PreMeshBuffer *p = NULL;
- for(u32 i=0; i<m_prebuffers.size(); i++)
- {
- PreMeshBuffer &pp = m_prebuffers[i];
- if(pp.material != material)
- continue;
-
- p = &pp;
- break;
- }
-
- if(p == NULL)
- {
- PreMeshBuffer pp;
- pp.material = material;
- m_prebuffers.push_back(pp);
- p = &m_prebuffers[m_prebuffers.size()-1];
- }
-
- u32 vertex_count = p->vertices.size();
- for(u32 i=0; i<numIndices; i++)
- {
- u32 j = indices[i] + vertex_count;
- if(j > 65535)
- {
- dstream<<"FIXME: Meshbuffer ran out of indices"<<std::endl;
- // NOTE: Fix is to just add an another MeshBuffer
- }
- p->indices.push_back(j);
- }
- for(u32 i=0; i<numVertices; i++)
- {
- p->vertices.push_back(vertices[i]);
- }
- }
-
- void fillMesh(scene::SMesh *mesh)
- {
- /*dstream<<"Filling mesh with "<<m_prebuffers.size()
- <<" meshbuffers"<<std::endl;*/
- for(u32 i=0; i<m_prebuffers.size(); i++)
- {
- PreMeshBuffer &p = m_prebuffers[i];
-
- /*dstream<<"p.vertices.size()="<<p.vertices.size()
- <<", p.indices.size()="<<p.indices.size()
- <<std::endl;*/
-
- // Create meshbuffer
-
- // This is a "Standard MeshBuffer",
- // it's a typedeffed CMeshBuffer<video::S3DVertex>
- scene::SMeshBuffer *buf = new scene::SMeshBuffer();
- // Set material
- buf->Material = p.material;
- //((scene::SMeshBuffer*)buf)->Material = p.material;
- // Use VBO
- //buf->setHardwareMappingHint(scene::EHM_STATIC);
- // Add to mesh
- mesh->addMeshBuffer(buf);
- // Mesh grabbed it
- buf->drop();
-
- buf->append(p.vertices.pointer(), p.vertices.size(),
- p.indices.pointer(), p.indices.size());
- }
- }
-
-private:
- core::array<PreMeshBuffer> m_prebuffers;
-};
-
-void MapBlock::updateMesh(u32 daynight_ratio)
-{
-#if 0
- /*
- DEBUG: If mesh has been generated, don't generate it again
- */
- {
- JMutexAutoLock meshlock(mesh_mutex);
- if(mesh != NULL)
- return;
- }
-#endif
-
- // 4-21ms for MAP_BLOCKSIZE=16
- // 24-155ms for MAP_BLOCKSIZE=32
- //TimeTaker timer1("updateMesh()");
-
- core::array<FastFace> fastfaces_new;
-
- v3f posRelative_f(getPosRelative().X, getPosRelative().Y,
- getPosRelative().Z); // floating point conversion
-
- /*
- We are including the faces of the trailing edges of the block.
- This means that when something changes, the caller must
- also update the meshes of the blocks at the leading edges.
-
- NOTE: This is the slowest part of this method.
- */
-
- {
- // Lock this, as m_temp_mods will be used directly
- JMutexAutoLock lock(m_temp_mods_mutex);
-
- /*
- Go through every y,z and get top faces in rows of x+
- */
- for(s16 y=0; y<MAP_BLOCKSIZE; y++){
- for(s16 z=0; z<MAP_BLOCKSIZE; z++){
- updateFastFaceRow(daynight_ratio, posRelative_f,
- v3s16(0,y,z), MAP_BLOCKSIZE,
- v3s16(1,0,0), //dir
- v3f (1,0,0),
- v3s16(0,1,0), //face dir
- v3f (0,1,0),
- fastfaces_new);
- }
- }
- /*
- Go through every x,y and get right faces in rows of z+
- */
- for(s16 x=0; x<MAP_BLOCKSIZE; x++){
- for(s16 y=0; y<MAP_BLOCKSIZE; y++){
- updateFastFaceRow(daynight_ratio, posRelative_f,
- v3s16(x,y,0), MAP_BLOCKSIZE,
- v3s16(0,0,1),
- v3f (0,0,1),
- v3s16(1,0,0),
- v3f (1,0,0),
- fastfaces_new);
- }
- }
- /*
- Go through every y,z and get back faces in rows of x+
- */
- for(s16 z=0; z<MAP_BLOCKSIZE; z++){
- for(s16 y=0; y<MAP_BLOCKSIZE; y++){
- updateFastFaceRow(daynight_ratio, posRelative_f,
- v3s16(0,y,z), MAP_BLOCKSIZE,
- v3s16(1,0,0),
- v3f (1,0,0),
- v3s16(0,0,1),
- v3f (0,0,1),
- fastfaces_new);
- }
- }
- }
-
- // End of slow part
-
- /*
- Convert FastFaces to SMesh
- */
-
- scene::SMesh *mesh_new = NULL;
-
- mesh_new = new scene::SMesh();
-
- MeshCollector collector;
-
- if(fastfaces_new.size() > 0)
- {
- for(u32 i=0; i<fastfaces_new.size(); i++)
- {
- FastFace &f = fastfaces_new[i];
-
- const u16 indices[] = {0,1,2,2,3,0};
-
- if(f.tile.feature == TILEFEAT_NONE)
- {
- collector.append(tile_material_get(f.tile.id), f.vertices, 4,
- indices, 6);
- }
- else if(f.tile.feature == TILEFEAT_CRACK)
- {
- const char *path = tile_texture_path_get(f.tile.id);
-
- u16 progression = f.tile.param.crack.progression;
-
- std::string name = (std::string)path + "_cracked_"
- + (char)('0' + progression);
-
- TextureMod *mod = new CrackTextureMod(progression);
-
- video::ITexture *texture = g_irrlicht->getTexture(
- TextureSpec(name, path, mod));
-
- video::SMaterial material = tile_material_get(f.tile.id);
- material.setTexture(0, texture);
-
- collector.append(material, f.vertices, 4, indices, 6);
- }
- else
- {
- // No such feature
- assert(0);
- }
- }
- }
-
- /*
- Add special graphics:
- - torches
-
- TODO: Optimize by using same meshbuffer for same textures
- */
-
- for(s16 z=0; z<MAP_BLOCKSIZE; z++)
- for(s16 y=0; y<MAP_BLOCKSIZE; y++)
- for(s16 x=0; x<MAP_BLOCKSIZE; x++)
- {
- v3s16 p(x,y,z);
-
- MapNode &n = getNodeRef(x,y,z);
-
- if(n.d == CONTENT_TORCH)
- {
- video::SColor c(255,255,255,255);
-
- video::S3DVertex vertices[4] =
- {
- video::S3DVertex(-BS/2,-BS/2,0, 0,0,0, c, 0,1),
- video::S3DVertex(BS/2,-BS/2,0, 0,0,0, c, 1,1),
- video::S3DVertex(BS/2,BS/2,0, 0,0,0, c, 1,0),
- video::S3DVertex(-BS/2,BS/2,0, 0,0,0, c, 0,0),
- };
-
- v3s16 dir = unpackDir(n.dir);
-
- for(s32 i=0; i<4; i++)
- {
- if(dir == v3s16(1,0,0))
- vertices[i].Pos.rotateXZBy(0);
- if(dir == v3s16(-1,0,0))
- vertices[i].Pos.rotateXZBy(180);
- if(dir == v3s16(0,0,1))
- vertices[i].Pos.rotateXZBy(90);
- if(dir == v3s16(0,0,-1))
- vertices[i].Pos.rotateXZBy(-90);
- if(dir == v3s16(0,-1,0))
- vertices[i].Pos.rotateXZBy(45);
- if(dir == v3s16(0,1,0))
- vertices[i].Pos.rotateXZBy(-45);
-
- vertices[i].Pos += intToFloat(p + getPosRelative());
- }
-
- // Set material
- video::SMaterial material;
- material.setFlag(video::EMF_LIGHTING, false);
- material.setFlag(video::EMF_BACK_FACE_CULLING, false);
- material.setFlag(video::EMF_BILINEAR_FILTER, false);
- //material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
- material.MaterialType
- = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
- if(dir == v3s16(0,-1,0))
- material.setTexture(0,
- g_irrlicht->getTexture(porting::getDataPath("torch_on_floor.png").c_str()));
- else if(dir == v3s16(0,1,0))
- material.setTexture(0,
- g_irrlicht->getTexture(porting::getDataPath("torch_on_ceiling.png").c_str()));
- // For backwards compatibility
- else if(dir == v3s16(0,0,0))
- material.setTexture(0,
- g_irrlicht->getTexture(porting::getDataPath("torch_on_floor.png").c_str()));
- else
- material.setTexture(0,
- g_irrlicht->getTexture(porting::getDataPath("torch.png").c_str()));
-
- u16 indices[] = {0,1,2,2,3,0};
- // Add to mesh collector
- collector.append(material, vertices, 4, indices, 6);
- }
- else if(n.d == CONTENT_WATER)
- {
- bool top_is_water = false;
- try{
- MapNode n = getNodeParent(v3s16(x,y+1,z));
- if(n.d == CONTENT_WATER || n.d == CONTENT_WATERSOURCE)
- top_is_water = true;
- }catch(InvalidPositionException &e){}
-
- video::SColor c(128,255,255,255);
-
- // Neighbor water levels (key = relative position)
- // Includes current node
- core::map<v3s16, f32> neighbor_levels;
- core::map<v3s16, u8> neighbor_contents;
- v3s16 neighbor_dirs[9] = {
- v3s16(0,0,0),
- v3s16(0,0,1),
- v3s16(0,0,-1),
- v3s16(1,0,0),
- v3s16(-1,0,0),
- v3s16(1,0,1),
- v3s16(-1,0,-1),
- v3s16(1,0,-1),
- v3s16(-1,0,1),
- };
- for(u32 i=0; i<9; i++)
- {
- u8 content = CONTENT_AIR;
- float level = -0.5 * BS;
- try{
- v3s16 p2 = p + neighbor_dirs[i];
- MapNode n2 = getNodeParent(p2);
-
- content = n2.d;
-
- if(n2.d == CONTENT_WATERSOURCE)
- level = 0.5 * BS;
- else if(n2.d == CONTENT_WATER)
- level = (-0.5 + ((float)n2.param2 + 0.5) / 8.0) * BS;
- }
- catch(InvalidPositionException &e){}
-
- neighbor_levels.insert(neighbor_dirs[i], level);
- neighbor_contents.insert(neighbor_dirs[i], content);
- }
-
- //float water_level = (-0.5 + ((float)n.param2 + 0.5) / 8.0) * BS;
- //float water_level = neighbor_levels[v3s16(0,0,0)];
-
- // Corner heights (average between four waters)
- f32 corner_levels[4];
-
- v3s16 halfdirs[4] = {
- v3s16(0,0,0),
- v3s16(1,0,0),
- v3s16(1,0,1),
- v3s16(0,0,1),
- };
- for(u32 i=0; i<4; i++)
- {
- v3s16 cornerdir = halfdirs[i];
- float cornerlevel = 0;
- u32 valid_count = 0;
- for(u32 j=0; j<4; j++)
- {
- v3s16 neighbordir = cornerdir - halfdirs[j];
- u8 content = neighbor_contents[neighbordir];
- // Special case for source nodes
- if(content == CONTENT_WATERSOURCE)
- {
- cornerlevel = 0.5*BS;
- valid_count = 1;
- break;
- }
- else if(content == CONTENT_WATER)
- {
- cornerlevel += neighbor_levels[neighbordir];
- valid_count++;
- }
- else if(content == CONTENT_AIR)
- {
- cornerlevel += -0.5*BS;
- valid_count++;
- }
- }
- if(valid_count > 0)
- cornerlevel /= valid_count;
- corner_levels[i] = cornerlevel;
- }
-
- /*
- Generate sides
- */
-
- v3s16 side_dirs[4] = {
- v3s16(1,0,0),
- v3s16(-1,0,0),
- v3s16(0,0,1),
- v3s16(0,0,-1),
- };
- s16 side_corners[4][2] = {
- {1, 2},
- {3, 0},
- {2, 3},
- {0, 1},
- };
- for(u32 i=0; i<4; i++)
- {
- v3s16 dir = side_dirs[i];
-
- //float neighbor_level = neighbor_levels[dir];
- /*if(neighbor_level > -0.5*BS + 0.001)
- continue;*/
- /*if(neighbor_level > water_level - 0.1*BS)
- continue;*/
-
- u8 neighbor_content = neighbor_contents[dir];
-
- if(neighbor_content != CONTENT_AIR
- && neighbor_content != CONTENT_WATER)
- continue;
-
- bool neighbor_is_water = (neighbor_content == CONTENT_WATER);
-
- if(neighbor_is_water == true && top_is_water == false)
- continue;
-
- video::S3DVertex vertices[4] =
- {
- /*video::S3DVertex(-BS/2,-BS/2,BS/2, 0,0,0, c, 0,1),
- video::S3DVertex(BS/2,-BS/2,BS/2, 0,0,0, c, 1,1),
- video::S3DVertex(BS/2,BS/2,BS/2, 0,0,0, c, 1,0),
- video::S3DVertex(-BS/2,BS/2,BS/2, 0,0,0, c, 0,0),*/
- video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c, 0,1),
- video::S3DVertex(BS/2,0,BS/2, 0,0,0, c, 1,1),
- video::S3DVertex(BS/2,0,BS/2, 0,0,0, c, 1,0),
- video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c, 0,0),
- };
-
- if(top_is_water)
- {
- vertices[2].Pos.Y = 0.5*BS;
- vertices[3].Pos.Y = 0.5*BS;
- }
- else
- {
- vertices[2].Pos.Y = corner_levels[side_corners[i][0]];
- vertices[3].Pos.Y = corner_levels[side_corners[i][1]];
- }
-
- if(neighbor_is_water)
- {
- vertices[0].Pos.Y = corner_levels[side_corners[i][1]];
- vertices[1].Pos.Y = corner_levels[side_corners[i][0]];
- }
- else
- {
- vertices[0].Pos.Y = -0.5*BS;
- vertices[1].Pos.Y = -0.5*BS;
- }
-
- for(s32 j=0; j<4; j++)
- {
- if(dir == v3s16(0,0,1))
- vertices[j].Pos.rotateXZBy(0);
- if(dir == v3s16(0,0,-1))
- vertices[j].Pos.rotateXZBy(180);
- if(dir == v3s16(-1,0,0))
- vertices[j].Pos.rotateXZBy(90);
- if(dir == v3s16(1,0,-0))
- vertices[j].Pos.rotateXZBy(-90);
-
- vertices[j].Pos += intToFloat(p + getPosRelative());
- }
-
- // Set material
- video::SMaterial material;
- material.setFlag(video::EMF_LIGHTING, false);
- material.setFlag(video::EMF_BACK_FACE_CULLING, false);
- material.setFlag(video::EMF_BILINEAR_FILTER, false);
- material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
- material.setTexture(0,
- g_irrlicht->getTexture(porting::getDataPath("water.png").c_str()));
-
- u16 indices[] = {0,1,2,2,3,0};
- // Add to mesh collector
- collector.append(material, vertices, 4, indices, 6);
- }
-
- /*
- Generate top side, if appropriate
- */
-
- if(top_is_water == false)
- {
- video::S3DVertex vertices[4] =
- {
- video::S3DVertex(-BS/2,0,-BS/2, 0,0,0, c, 0,1),
- video::S3DVertex(BS/2,0,-BS/2, 0,0,0, c, 1,1),
- video::S3DVertex(BS/2,0,BS/2, 0,0,0, c, 1,0),
- video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c, 0,0),
- };
-
- for(s32 i=0; i<4; i++)
- {
- //vertices[i].Pos.Y += water_level;
- //vertices[i].Pos.Y += neighbor_levels[v3s16(0,0,0)];
- vertices[i].Pos.Y += corner_levels[i];
- vertices[i].Pos += intToFloat(p + getPosRelative());
- }
-
- // Set material
- video::SMaterial material;
- material.setFlag(video::EMF_LIGHTING, false);
- material.setFlag(video::EMF_BACK_FACE_CULLING, false);
- material.setFlag(video::EMF_BILINEAR_FILTER, false);
- material.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
- material.setTexture(0,
- g_irrlicht->getTexture(porting::getDataPath("water.png").c_str()));
-
- u16 indices[] = {0,1,2,2,3,0};
- // Add to mesh collector
- collector.append(material, vertices, 4, indices, 6);
- }
- }
- }
-
- /*
- Add stuff from collector to mesh
- */
-
- collector.fillMesh(mesh_new);
-
- /*
- Do some stuff to the mesh
- */
-
- mesh_new->recalculateBoundingBox();
-
- /*
- Delete new mesh if it is empty
- */