/*
-(c) 2010 Perttu Ahola <celeron55@gmail.com>
+Minetest-c55
+Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "mapblock.h"
#include "map.h"
-// For g_materials
+// For g_settings
#include "main.h"
#include "light.h"
#include <sstream>
+#ifndef SERVER
+void MeshMakeData::fill(u32 daynight_ratio, MapBlock *block)
+{
+ m_daynight_ratio = daynight_ratio;
+ m_blockpos = block->getPos();
-/*
- MapBlock
-*/
+ v3s16 blockpos_nodes = m_blockpos*MAP_BLOCKSIZE;
+
+ /*
+ There is no harm not copying the TempMods of the neighbors
+ because they are already copied to this block
+ */
+ m_temp_mods.clear();
+ block->copyTempMods(m_temp_mods);
+
+ /*
+ Copy data
+ */
+
+ // Allocate this block + neighbors
+ m_vmanip.clear();
+ m_vmanip.addArea(VoxelArea(blockpos_nodes-v3s16(1,1,1)*MAP_BLOCKSIZE,
+ blockpos_nodes+v3s16(1,1,1)*MAP_BLOCKSIZE*2-v3s16(1,1,1)));
-bool MapBlock::isValidPositionParent(v3s16 p)
-{
- if(isValidPosition(p))
{
- return true;
+ //TimeTaker timer("copy central block data");
+ // 0ms
+
+ // Copy our data
+ block->copyTo(m_vmanip);
}
- else{
- return m_parent->isValidPosition(getPosRelative() + p);
+ {
+ //TimeTaker timer("copy neighbor block data");
+ // 0ms
+
+ /*
+ Copy neighbors. This is lightning fast.
+ Copying only the borders would be *very* slow.
+ */
+
+ // Get map
+ NodeContainer *parentcontainer = block->getParent();
+ // This will only work if the parent is the map
+ assert(parentcontainer->nodeContainerId() == NODECONTAINER_ID_MAP);
+ // OK, we have the map!
+ Map *map = (Map*)parentcontainer;
+
+ for(u16 i=0; i<6; i++)
+ {
+ const v3s16 &dir = g_6dirs[i];
+ v3s16 bp = m_blockpos + dir;
+ MapBlock *b = map->getBlockNoCreateNoEx(bp);
+ if(b)
+ b->copyTo(m_vmanip);
+ }
}
}
+#endif
-MapNode MapBlock::getNodeParent(v3s16 p)
+/*
+ Parameters must consist of air and !air.
+ Order doesn't matter.
+
+ If either of the nodes doesn't exist, light is 0.
+
+ parameters:
+ daynight_ratio: 0...1000
+ n: getNodeParent(p)
+ n2: getNodeParent(p + face_dir)
+ face_dir: axis oriented unit vector from p to p2
+
+ returns encoded light value.
+*/
+u8 getFaceLight(u32 daynight_ratio, MapNode n, MapNode n2,
+ v3s16 face_dir)
{
- if(isValidPosition(p) == false)
- {
- return m_parent->getNode(getPosRelative() + p);
+ try{
+ u8 light;
+ u8 l1 = n.getLightBlend(daynight_ratio);
+ u8 l2 = n2.getLightBlend(daynight_ratio);
+ if(l1 > l2)
+ light = l1;
+ else
+ light = l2;
+
+ // Make some nice difference to different sides
+
+ // This makes light come from a corner
+ /*if(face_dir.X == 1 || face_dir.Z == 1 || face_dir.Y == -1)
+ light = diminish_light(diminish_light(light));
+ else if(face_dir.X == -1 || face_dir.Z == -1)
+ light = diminish_light(light);*/
+
+ // All neighboring faces have different shade (like in minecraft)
+ if(face_dir.X == 1 || face_dir.X == -1 || face_dir.Y == -1)
+ light = diminish_light(diminish_light(light));
+ else if(face_dir.Z == 1 || face_dir.Z == -1)
+ light = diminish_light(light);
+
+ return light;
}
- else
+ catch(InvalidPositionException &e)
{
- if(data == NULL)
- throw InvalidPositionException();
- return data[p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X];
+ return 0;
}
}
-void MapBlock::setNodeParent(v3s16 p, MapNode & n)
+#ifndef SERVER
+
+/*
+ vertex_dirs: v3s16[4]
+*/
+void getNodeVertexDirs(v3s16 dir, v3s16 *vertex_dirs)
{
- if(isValidPosition(p) == false)
+ /*
+ If looked from outside the node towards the face, the corners are:
+ 0: bottom-right
+ 1: bottom-left
+ 2: top-left
+ 3: top-right
+ */
+ if(dir == v3s16(0,0,1))
{
- m_parent->setNode(getPosRelative() + p, n);
+ // If looking towards z+, this is the face that is behind
+ // the center point, facing towards z+.
+ vertex_dirs[0] = v3s16(-1,-1, 1);
+ vertex_dirs[1] = v3s16( 1,-1, 1);
+ vertex_dirs[2] = v3s16( 1, 1, 1);
+ vertex_dirs[3] = v3s16(-1, 1, 1);
}
- else
+ else if(dir == v3s16(0,0,-1))
{
- if(data == NULL)
- throw InvalidPositionException();
- data[p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X] = n;
+ // faces towards Z-
+ vertex_dirs[0] = v3s16( 1,-1,-1);
+ vertex_dirs[1] = v3s16(-1,-1,-1);
+ vertex_dirs[2] = v3s16(-1, 1,-1);
+ vertex_dirs[3] = v3s16( 1, 1,-1);
+ }
+ else if(dir == v3s16(1,0,0))
+ {
+ // faces towards X+
+ vertex_dirs[0] = v3s16( 1,-1, 1);
+ vertex_dirs[1] = v3s16( 1,-1,-1);
+ vertex_dirs[2] = v3s16( 1, 1,-1);
+ vertex_dirs[3] = v3s16( 1, 1, 1);
+ }
+ else if(dir == v3s16(-1,0,0))
+ {
+ // faces towards X-
+ vertex_dirs[0] = v3s16(-1,-1,-1);
+ vertex_dirs[1] = v3s16(-1,-1, 1);
+ vertex_dirs[2] = v3s16(-1, 1, 1);
+ vertex_dirs[3] = v3s16(-1, 1,-1);
+ }
+ else if(dir == v3s16(0,1,0))
+ {
+ // faces towards Y+ (assume Z- as "down" in texture)
+ vertex_dirs[0] = v3s16( 1, 1,-1);
+ vertex_dirs[1] = v3s16(-1, 1,-1);
+ vertex_dirs[2] = v3s16(-1, 1, 1);
+ vertex_dirs[3] = v3s16( 1, 1, 1);
+ }
+ else if(dir == v3s16(0,-1,0))
+ {
+ // faces towards Y- (assume Z+ as "down" in texture)
+ vertex_dirs[0] = v3s16( 1,-1, 1);
+ vertex_dirs[1] = v3s16(-1,-1, 1);
+ vertex_dirs[2] = v3s16(-1,-1,-1);
+ vertex_dirs[3] = v3s16( 1,-1,-1);
}
}
-FastFace * MapBlock::makeFastFace(u8 material, u8 light, v3f p,
- v3f dir, v3f scale, v3f posRelative_f)
+inline video::SColor lightColor(u8 alpha, u8 light)
{
- FastFace *f = new FastFace;
+ return video::SColor(alpha,light,light,light);
+}
+
+void makeFastFace(TileSpec tile, u8 li0, u8 li1, u8 li2, u8 li3, v3f p,
+ v3s16 dir, v3f scale, v3f posRelative_f,
+ core::array<FastFace> &dest)
+{
+ FastFace face;
// Position is at the center of the cube.
v3f pos = p * BS;
posRelative_f *= BS;
v3f vertex_pos[4];
- // If looking towards z+, this is the face that is behind
- // the center point, facing towards z+.
- vertex_pos[0] = v3f( BS/2,-BS/2,BS/2);
- vertex_pos[1] = v3f(-BS/2,-BS/2,BS/2);
- vertex_pos[2] = v3f(-BS/2, BS/2,BS/2);
- vertex_pos[3] = v3f( BS/2, BS/2,BS/2);
-
- /*
- TODO: Rotate it the right way (one side comes upside down)
- */
- core::CMatrix4<f32> m;
- m.buildRotateFromTo(v3f(0,0,1), dir);
-
- for(u16 i=0; i<4; i++){
- m.rotateVect(vertex_pos[i]);
+ v3s16 vertex_dirs[4];
+ getNodeVertexDirs(dir, vertex_dirs);
+ for(u16 i=0; i<4; i++)
+ {
+ vertex_pos[i] = v3f(
+ BS/2*vertex_dirs[i].X,
+ BS/2*vertex_dirs[i].Y,
+ BS/2*vertex_dirs[i].Z
+ );
+ }
+
+ for(u16 i=0; i<4; i++)
+ {
vertex_pos[i].X *= scale.X;
vertex_pos[i].Y *= scale.Y;
vertex_pos[i].Z *= scale.Z;
v3f zerovector = v3f(0,0,0);
- u8 li = decode_light(light);
- //u8 li = 150;
+ u8 alpha = tile.alpha;
+ /*u8 alpha = 255;
+ if(tile.id == TILE_WATER)
+ alpha = WATER_ALPHA;*/
+
+ float x0 = tile.texture.pos.X;
+ float y0 = tile.texture.pos.Y;
+ float w = tile.texture.size.X;
+ float h = tile.texture.size.Y;
+
+ /*video::SColor c = lightColor(alpha, li);
+
+ face.vertices[0] = video::S3DVertex(vertex_pos[0], v3f(0,1,0), c,
+ core::vector2d<f32>(x0+w*abs_scale, y0+h));
+ face.vertices[1] = video::S3DVertex(vertex_pos[1], v3f(0,1,0), c,
+ core::vector2d<f32>(x0, y0+h));
+ face.vertices[2] = video::S3DVertex(vertex_pos[2], v3f(0,1,0), c,
+ core::vector2d<f32>(x0, y0));
+ face.vertices[3] = video::S3DVertex(vertex_pos[3], v3f(0,1,0), c,
+ core::vector2d<f32>(x0+w*abs_scale, y0));*/
+
+ face.vertices[0] = video::S3DVertex(vertex_pos[0], v3f(0,1,0),
+ lightColor(alpha, li0),
+ core::vector2d<f32>(x0+w*abs_scale, y0+h));
+ face.vertices[1] = video::S3DVertex(vertex_pos[1], v3f(0,1,0),
+ lightColor(alpha, li1),
+ core::vector2d<f32>(x0, y0+h));
+ face.vertices[2] = video::S3DVertex(vertex_pos[2], v3f(0,1,0),
+ lightColor(alpha, li2),
+ core::vector2d<f32>(x0, y0));
+ face.vertices[3] = video::S3DVertex(vertex_pos[3], v3f(0,1,0),
+ lightColor(alpha, li3),
+ core::vector2d<f32>(x0+w*abs_scale, y0));
+
+ face.tile = tile;
+ //DEBUG
+ //f->tile = TILE_STONE;
+
+ dest.push_back(face);
+}
+
+/*
+ Gets node tile from any place relative to block.
+ Returns TILE_NODE if doesn't exist or should not be drawn.
+*/
+TileSpec getNodeTile(MapNode mn, v3s16 p, v3s16 face_dir,
+ NodeModMap &temp_mods)
+{
+ TileSpec spec;
+ spec = mn.getTile(face_dir);
+
+ /*
+ 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();*/
+ NodeMod mod;
+ if(temp_mods.get(p, &mod))
+ {
+ if(mod.type == NODEMOD_CHANGECONTENT)
+ {
+ MapNode mn2(mod.param);
+ spec = mn2.getTile(face_dir);
+ }
+ if(mod.type == NODEMOD_CRACK)
+ {
+ /*
+ Get texture id, translate it to name, append stuff to
+ name, get texture id
+ */
- u8 alpha = 255;
+ // Get original texture name
+ u32 orig_id = spec.texture.id;
+ std::string orig_name = g_texturesource->getTextureName(orig_id);
- if(material == MATERIAL_WATER)
- {
- alpha = 128;
- }
+ // Create new texture name
+ std::ostringstream os;
+ os<<orig_name<<"^[crack"<<mod.param;
- video::SColor c = video::SColor(alpha,li,li,li);
+ // Get new texture
+ u32 new_id = g_texturesource->getTextureId(os.str());
+
+ /*dstream<<"MapBlock::getNodeTile(): Switching from "
+ <<orig_name<<" to "<<os.str()<<" ("
+ <<orig_id<<" to "<<new_id<<")"<<std::endl;*/
+
+ spec.texture = g_texturesource->getTexture(new_id);
+ }
+ }
+
+ return spec;
+}
- /*f->vertices[0] = video::S3DVertex(vertex_pos[0], zerovector, c,
- core::vector2d<f32>(0,1));
- f->vertices[1] = video::S3DVertex(vertex_pos[1], zerovector, c,
- core::vector2d<f32>(abs_scale,1));
- f->vertices[2] = video::S3DVertex(vertex_pos[2], zerovector, c,
- core::vector2d<f32>(abs_scale,0));
- f->vertices[3] = video::S3DVertex(vertex_pos[3], zerovector, c,
- core::vector2d<f32>(0,0));*/
- f->vertices[0] = video::S3DVertex(vertex_pos[0], zerovector, c,
- core::vector2d<f32>(0,1));
- f->vertices[1] = video::S3DVertex(vertex_pos[1], zerovector, c,
- core::vector2d<f32>(abs_scale,1));
- f->vertices[2] = video::S3DVertex(vertex_pos[2], zerovector, c,
- core::vector2d<f32>(abs_scale,0));
- f->vertices[3] = video::S3DVertex(vertex_pos[3], zerovector, c,
- core::vector2d<f32>(0,0));
+u8 getNodeContent(v3s16 p, MapNode mn, NodeModMap &temp_mods)
+{
+ /*
+ 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();*/
+ NodeMod mod;
+ if(temp_mods.get(p, &mod))
+ {
+ 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.
- f->material = material;
+ 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 f;
+ return mn.d;
}
-
-/*
- Parameters must consist of air and !air.
- Order doesn't matter.
- If either of the nodes doesn't exist, light is 0.
-*/
-u8 MapBlock::getFaceLight(v3s16 p, v3s16 face_dir)
+v3s16 dirs8[8] = {
+ v3s16(0,0,0),
+ v3s16(0,0,1),
+ v3s16(0,1,0),
+ v3s16(0,1,1),
+ v3s16(1,0,0),
+ v3s16(1,1,0),
+ v3s16(1,0,1),
+ v3s16(1,1,1),
+};
+
+// Calculate lighting at the XYZ- corner of p
+u8 getSmoothLight(v3s16 p, VoxelManipulator &vmanip, u32 daynight_ratio)
{
- try{
- MapNode n = getNodeParent(p);
- MapNode n2 = getNodeParent(p + face_dir);
- u8 light;
- if(n.solidness() < n2.solidness())
- light = n.getLight();
+ u16 ambient_occlusion = 0;
+ u16 light = 0;
+ u16 light_count = 0;
+ for(u32 i=0; i<8; i++)
+ {
+ MapNode n = vmanip.getNodeNoEx(p - dirs8[i]);
+ if(content_features(n.d).param_type == CPT_LIGHT)
+ {
+ light += decode_light(n.getLightBlend(daynight_ratio));
+ light_count++;
+ }
else
- light = n2.getLight();
+ {
+ if(n.d != CONTENT_IGNORE)
+ ambient_occlusion++;
+ }
+ }
- // Make some nice difference to different sides
- if(face_dir.X == 1 || face_dir.Z == 1 || face_dir.Y == -1)
- light = diminish_light(diminish_light(light));
- else if(face_dir.X == -1 || face_dir.Z == -1)
- light = diminish_light(light);
+ if(light_count == 0)
+ return 255;
+
+ light /= light_count;
- return light;
- }
- catch(InvalidPositionException &e)
+ if(ambient_occlusion > 4)
{
- return 0;
+ ambient_occlusion -= 4;
+ light = (float)light / ((float)ambient_occlusion * 0.5 + 1.0);
}
+
+ return light;
}
-/*
- Gets node material from any place relative to block.
- Returns MATERIAL_AIR if doesn't exist.
-*/
-u8 MapBlock::getNodeMaterial(v3s16 p)
+// Calculate lighting at the given corner of p
+u8 getSmoothLight(v3s16 p, v3s16 corner,
+ VoxelManipulator &vmanip, u32 daynight_ratio)
{
- try{
- MapNode n = getNodeParent(p);
- return n.d;
+ if(corner.X == 1) p.X += 1;
+ else assert(corner.X == -1);
+ if(corner.Y == 1) p.Y += 1;
+ else assert(corner.Y == -1);
+ if(corner.Z == 1) p.Z += 1;
+ else assert(corner.Z == -1);
+
+ return getSmoothLight(p, vmanip, daynight_ratio);
+}
+
+void getTileInfo(
+ // Input:
+ v3s16 blockpos_nodes,
+ v3s16 p,
+ v3s16 face_dir,
+ u32 daynight_ratio,
+ VoxelManipulator &vmanip,
+ NodeModMap &temp_mods,
+ bool smooth_lighting,
+ // Output:
+ bool &makes_face,
+ v3s16 &p_corrected,
+ v3s16 &face_dir_corrected,
+ u8 *lights,
+ TileSpec &tile
+ )
+{
+ MapNode n0 = vmanip.getNodeNoEx(blockpos_nodes + p);
+ MapNode n1 = vmanip.getNodeNoEx(blockpos_nodes + p + face_dir);
+ TileSpec tile0 = getNodeTile(n0, p, face_dir, temp_mods);
+ TileSpec tile1 = getNodeTile(n1, p + face_dir, -face_dir, temp_mods);
+
+ // This is hackish
+ u8 content0 = getNodeContent(p, n0, temp_mods);
+ u8 content1 = getNodeContent(p + face_dir, n1, temp_mods);
+ u8 mf = face_contents(content0, content1);
+
+ if(mf == 0)
+ {
+ makes_face = false;
+ return;
}
- catch(InvalidPositionException &e)
+
+ makes_face = true;
+
+ if(mf == 1)
+ {
+ tile = tile0;
+ p_corrected = p;
+ face_dir_corrected = face_dir;
+ }
+ else
+ {
+ tile = tile1;
+ p_corrected = p + face_dir;
+ face_dir_corrected = -face_dir;
+ }
+
+ if(smooth_lighting == false)
{
- return MATERIAL_IGNORE;
+ lights[0] = lights[1] = lights[2] = lights[3] =
+ decode_light(getFaceLight(daynight_ratio, n0, n1, face_dir));
}
+ else
+ {
+ v3s16 vertex_dirs[4];
+ getNodeVertexDirs(face_dir_corrected, vertex_dirs);
+ for(u16 i=0; i<4; i++)
+ {
+ lights[i] = getSmoothLight(blockpos_nodes + p_corrected,
+ vertex_dirs[i], vmanip, daynight_ratio);
+ }
+ }
+
+ return;
}
/*
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(v3s16 startpos,
+void updateFastFaceRow(
+ u32 daynight_ratio,
+ v3f posRelative_f,
+ v3s16 startpos,
u16 length,
v3s16 translate_dir,
+ v3f translate_dir_f,
v3s16 face_dir,
- core::list<FastFace*> &dest)
+ v3f face_dir_f,
+ core::array<FastFace> &dest,
+ NodeModMap &temp_mods,
+ VoxelManipulator &vmanip,
+ v3s16 blockpos_nodes,
+ bool smooth_lighting)
{
- /*
- Precalculate some variables
- */
- v3f translate_dir_f(translate_dir.X, translate_dir.Y,
- translate_dir.Z); // floating point conversion
- v3f face_dir_f(face_dir.X, face_dir.Y,
- face_dir.Z); // floating point conversion
- v3f posRelative_f(getPosRelative().X, getPosRelative().Y,
- getPosRelative().Z); // floating point conversion
-
v3s16 p = startpos;
- /*
- The light in the air lights the surface is taken from
- the node that is air.
- */
- u8 light = getFaceLight(p, face_dir);
- u16 continuous_materials_count = 0;
+ u16 continuous_tiles_count = 0;
- u8 material0 = getNodeMaterial(p);
- u8 material1 = getNodeMaterial(p + face_dir);
-
+ bool makes_face;
+ v3s16 p_corrected;
+ v3s16 face_dir_corrected;
+ u8 lights[4];
+ TileSpec tile;
+ getTileInfo(blockpos_nodes, p, face_dir, daynight_ratio,
+ vmanip, temp_mods, smooth_lighting,
+ makes_face, p_corrected, face_dir_corrected, lights, tile);
+
for(u16 j=0; j<length; j++)
{
+ // If tiling can be done, this is set to false in the next step
bool next_is_different = true;
v3s16 p_next;
- u8 material0_next = 0;
- u8 material1_next = 0;
- u8 light_next = 0;
-
- if(j != length - 1){
+
+ bool next_makes_face;
+ v3s16 next_p_corrected;
+ v3s16 next_face_dir_corrected;
+ u8 next_lights[4];
+ TileSpec next_tile;
+
+ // If at last position, there is nothing to compare to and
+ // the face must be drawn anyway
+ if(j != length - 1)
+ {
p_next = p + translate_dir;
- material0_next = getNodeMaterial(p_next);
- material1_next = getNodeMaterial(p_next + face_dir);
- light_next = getFaceLight(p_next, face_dir);
-
- if(material0_next == material0
- && material1_next == material1
- && light_next == light)
+
+ getTileInfo(blockpos_nodes, p_next, face_dir, daynight_ratio,
+ vmanip, temp_mods, smooth_lighting,
+ next_makes_face, next_p_corrected,
+ next_face_dir_corrected, next_lights,
+ next_tile);
+
+ if(next_makes_face == makes_face
+ && next_p_corrected == p_corrected
+ && next_face_dir_corrected == face_dir_corrected
+ && next_lights[0] == lights[0]
+ && next_lights[1] == lights[1]
+ && next_lights[2] == lights[2]
+ && next_lights[3] == lights[3]
+ && next_tile == tile)
{
next_is_different = false;
}
}
- continuous_materials_count++;
+ continuous_tiles_count++;
+
+ // This is set to true if the texture doesn't allow more tiling
+ bool end_of_texture = false;
+ /*
+ If there is no texture, it can be tiled infinitely.
+ If tiled==0, it means the texture can be tiled infinitely.
+ Otherwise check tiled agains continuous_tiles_count.
+ */
+ if(tile.texture.atlas != NULL && tile.texture.tiled != 0)
+ {
+ if(tile.texture.tiled <= continuous_tiles_count)
+ end_of_texture = true;
+ }
+
+ // Do this to disable tiling textures
+ //end_of_texture = true; //DEBUG
- if(next_is_different)
+ if(next_is_different || end_of_texture)
{
/*
Create a face if there should be one
*/
- u8 mf = face_materials(material0, material1);
-
- if(mf != 0)
+ if(makes_face)
{
// Floating point conversion of the position vector
- v3f pf(p.X, p.Y, p.Z);
+ v3f pf(p_corrected.X, p_corrected.Y, p_corrected.Z);
// Center point of face (kind of)
- v3f sp = pf - ((f32)continuous_materials_count / 2. - 0.5) * translate_dir_f;
+ 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_materials_count;
- }
- if(translate_dir.Y != 0){
- scale.Y = continuous_materials_count;
- }
- if(translate_dir.Z != 0){
- scale.Z = continuous_materials_count;
- }
-
- FastFace *f;
- // If node at sp (material0) is more solid
- if(mf == 1)
+ if(translate_dir.X != 0)
{
- f = makeFastFace(material0, light,
- sp, face_dir_f, scale,
- posRelative_f);
+ scale.X = continuous_tiles_count;
}
- // If node at sp is less solid (mf == 2)
- else
+ if(translate_dir.Y != 0)
{
- f = makeFastFace(material1, light,
- sp+face_dir_f, -1*face_dir_f, scale,
- posRelative_f);
+ scale.Y = continuous_tiles_count;
}
- dest.push_back(f);
+ if(translate_dir.Z != 0)
+ {
+ scale.Z = continuous_tiles_count;
+ }
+
+ makeFastFace(tile, lights[0], lights[1], lights[2], lights[3],
+ sp, face_dir_corrected, scale,
+ posRelative_f, dest);
}
- continuous_materials_count = 0;
- material0 = material0_next;
- material1 = material1_next;
- light = light_next;
+ continuous_tiles_count = 0;
+
+ makes_face = next_makes_face;
+ p_corrected = next_p_corrected;
+ face_dir_corrected = next_face_dir_corrected;
+ lights[0] = next_lights[0];
+ lights[1] = next_lights[1];
+ lights[2] = next_lights[2];
+ lights[3] = next_lights[3];
+ tile = next_tile;
}
p = p_next;
}
}
-void MapBlock::updateMesh()
+/*
+ This is used because CMeshBuffer::append() is very slow
+*/
+struct PreMeshBuffer
{
- /*v3s16 p = getPosRelative();
- std::cout<<"MapBlock("<<p.X<<","<<p.Y<<","<<p.Z<<")"
- <<"::updateMesh(): ";*/
- //<<"::updateMesh()"<<std::endl;
-
- /*
- TODO: Change this to directly generate the mesh (and get rid
- of FastFaces)
- */
+ video::SMaterial material;
+ core::array<u16> indices;
+ core::array<video::S3DVertex> vertices;
+};
- core::list<FastFace*> *fastfaces_new = new core::list<FastFace*>;
-
- //TimeTaker timer1("updateMesh1", g_device);
+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;
- /*
- 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.
- */
+ p = &pp;
+ break;
+ }
- /*
- Go through every y,z and get top faces in rows of x+
- */
- for(s16 y=0; y<MAP_BLOCKSIZE; y++){
- //for(s16 y=-1; y<MAP_BLOCKSIZE; y++){
- for(s16 z=0; z<MAP_BLOCKSIZE; z++){
- updateFastFaceRow(v3s16(0,y,z), MAP_BLOCKSIZE,
- v3s16(1,0,0),
- v3s16(0,1,0),
- *fastfaces_new);
+ if(p == NULL)
+ {
+ PreMeshBuffer pp;
+ pp.material = material;
+ m_prebuffers.push_back(pp);
+ p = &m_prebuffers[m_prebuffers.size()-1];
}
- }
- /*
- Go through every x,y and get right faces in rows of z+
- */
- for(s16 x=0; x<MAP_BLOCKSIZE; x++){
- //for(s16 x=-1; x<MAP_BLOCKSIZE; x++){
- for(s16 y=0; y<MAP_BLOCKSIZE; y++){
- updateFastFaceRow(v3s16(x,y,0), MAP_BLOCKSIZE,
- v3s16(0,0,1),
- v3s16(1,0,0),
- *fastfaces_new);
+
+ 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);
}
- }
- /*
- Go through every y,z and get back faces in rows of x+
- */
- for(s16 z=0; z<MAP_BLOCKSIZE; z++){
- //for(s16 z=-1; z<MAP_BLOCKSIZE; z++){
- for(s16 y=0; y<MAP_BLOCKSIZE; y++){
- updateFastFaceRow(v3s16(0,y,z), MAP_BLOCKSIZE,
- v3s16(1,0,0),
- v3s16(0,0,1),
- *fastfaces_new);
+ for(u32 i=0; i<numVertices; i++)
+ {
+ p->vertices.push_back(vertices[i]);
}
}
- //timer1.stop();
- //TimeTaker timer2("updateMesh2", g_device);
-
- scene::SMesh *mesh_new = NULL;
-
- //s32 appendtime = 0;
-
- if(fastfaces_new->getSize() > 0)
+ void fillMesh(scene::SMesh *mesh)
{
- mesh_new = new scene::SMesh();
- scene::IMeshBuffer *buf = NULL;
-
- /*
- Buffer for lesser calls to
- mesh_new->getMeshBuffer(g_materials[f->material]),
- which is slow.
+ /*dstream<<"Filling mesh with "<<m_prebuffers.size()
+ <<" meshbuffers"<<std::endl;*/
+ for(u32 i=0; i<m_prebuffers.size(); i++)
+ {
+ PreMeshBuffer &p = m_prebuffers[i];
- key = material id, value = meshbuffer of that material
- */
- core::map<u8, scene::IMeshBuffer*> bufs;
+ /*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());
+ }
+ }
- core::list<FastFace*>::Iterator i = fastfaces_new->begin();
+private:
+ core::array<PreMeshBuffer> m_prebuffers;
+};
- // MATERIAL_AIR shouldn't be used by any face
- u8 material_in_use = MATERIAL_AIR;
+scene::SMesh* makeMapBlockMesh(MeshMakeData *data)
+{
+ // 4-21ms for MAP_BLOCKSIZE=16
+ // 24-155ms for MAP_BLOCKSIZE=32
+ //TimeTaker timer1("makeMapBlockMesh()");
- for(; i != fastfaces_new->end(); i++)
- {
- FastFace *f = *i;
-
- if(f->material != material_in_use || buf == NULL)
- {
- // Try to get a meshbuffer associated with the material
- core::map<u8, scene::IMeshBuffer*>::Node*
- n = bufs.find(f->material);
+ core::array<FastFace> fastfaces_new;
- if(n != NULL)
- {
- buf = n->getValue();
- }
- else
+ v3s16 blockpos_nodes = data->m_blockpos*MAP_BLOCKSIZE;
+
+ // floating point conversion
+ v3f posRelative_f(blockpos_nodes.X, blockpos_nodes.Y, blockpos_nodes.Z);
+
+ /*
+ Some settings
+ */
+ bool new_style_water = g_settings.getBool("new_style_water");
+ bool new_style_leaves = g_settings.getBool("new_style_leaves");
+ bool smooth_lighting = g_settings.getBool("smooth_lighting");
+
+ float node_water_level = 1.0;
+ if(new_style_water)
+ node_water_level = 0.85;
+
+ /*
+ 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.
+ */
+
+ {
+ // 4-23ms for MAP_BLOCKSIZE=16
+ //TimeTaker timer2("updateMesh() collect");
+
+ /*
+ Go through every y,z and get top(y+) faces in rows of x+
+ */
+ for(s16 y=0; y<MAP_BLOCKSIZE; y++){
+ for(s16 z=0; z<MAP_BLOCKSIZE; z++){
+ updateFastFaceRow(data->m_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,
+ data->m_temp_mods,
+ data->m_vmanip,
+ blockpos_nodes,
+ smooth_lighting);
+ }
+ }
+ /*
+ Go through every x,y and get right(x+) faces in rows of z+
+ */
+ for(s16 x=0; x<MAP_BLOCKSIZE; x++){
+ for(s16 y=0; y<MAP_BLOCKSIZE; y++){
+ updateFastFaceRow(data->m_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,
+ data->m_temp_mods,
+ data->m_vmanip,
+ blockpos_nodes,
+ smooth_lighting);
+ }
+ }
+ /*
+ Go through every y,z and get back(z+) faces in rows of x+
+ */
+ for(s16 z=0; z<MAP_BLOCKSIZE; z++){
+ for(s16 y=0; y<MAP_BLOCKSIZE; y++){
+ updateFastFaceRow(data->m_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,
+ data->m_temp_mods,
+ data->m_vmanip,
+ blockpos_nodes,
+ smooth_lighting);
+ }
+ }
+ }
+
+ // End of slow part
+
+ /*
+ Convert FastFaces to SMesh
+ */
+
+ MeshCollector collector;
+
+ if(fastfaces_new.size() > 0)
+ {
+ // avg 0ms (100ms spikes when loading textures the first time)
+ //TimeTaker timer2("updateMesh() mesh building");
+
+ video::SMaterial material;
+ material.setFlag(video::EMF_LIGHTING, false);
+ material.setFlag(video::EMF_BILINEAR_FILTER, false);
+ material.setFlag(video::EMF_FOG_ENABLE, true);
+ //material.setFlag(video::EMF_ANTI_ALIASING, video::EAAM_OFF);
+ //material.setFlag(video::EMF_ANTI_ALIASING, video::EAAM_SIMPLE);
+
+ for(u32 i=0; i<fastfaces_new.size(); i++)
+ {
+ FastFace &f = fastfaces_new[i];
+
+ const u16 indices[] = {0,1,2,2,3,0};
+ const u16 indices_alternate[] = {0,1,3,2,3,1};
+
+ video::ITexture *texture = f.tile.texture.atlas;
+ if(texture == NULL)
+ continue;
+
+ material.setTexture(0, texture);
+
+ f.tile.applyMaterialOptions(material);
+
+ const u16 *indices_p = indices;
+
+ /*
+ Revert triangles for nicer looking gradient if vertices
+ 1 and 3 have same color or 0 and 2 have different color.
+ */
+ if(f.vertices[0].Color != f.vertices[2].Color
+ || f.vertices[1].Color == f.vertices[3].Color)
+ indices_p = indices_alternate;
+
+ collector.append(material, f.vertices, 4, indices_p, 6);
+ }
+ }
+
+ /*
+ Add special graphics:
+ - torches
+ - flowing water
+ */
+
+ // 0ms
+ //TimeTaker timer2("updateMesh() adding special stuff");
+
+ // Flowing water material
+ video::SMaterial material_water1;
+ material_water1.setFlag(video::EMF_LIGHTING, false);
+ material_water1.setFlag(video::EMF_BACK_FACE_CULLING, false);
+ material_water1.setFlag(video::EMF_BILINEAR_FILTER, false);
+ material_water1.setFlag(video::EMF_FOG_ENABLE, true);
+ material_water1.MaterialType = video::EMT_TRANSPARENT_VERTEX_ALPHA;
+ AtlasPointer pa_water1 = g_texturesource->getTexture(
+ g_texturesource->getTextureId("water.png"));
+ material_water1.setTexture(0, pa_water1.atlas);
+
+ // New-style leaves material
+ video::SMaterial material_leaves1;
+ material_leaves1.setFlag(video::EMF_LIGHTING, false);
+ //material_leaves1.setFlag(video::EMF_BACK_FACE_CULLING, false);
+ material_leaves1.setFlag(video::EMF_BILINEAR_FILTER, false);
+ material_leaves1.setFlag(video::EMF_FOG_ENABLE, true);
+ material_leaves1.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
+ AtlasPointer pa_leaves1 = g_texturesource->getTexture(
+ g_texturesource->getTextureId("leaves.png"));
+ material_leaves1.setTexture(0, pa_leaves1.atlas);
+
+ // Glass material
+ video::SMaterial material_glass;
+ material_glass.setFlag(video::EMF_LIGHTING, false);
+ material_glass.setFlag(video::EMF_BILINEAR_FILTER, false);
+ material_glass.setFlag(video::EMF_FOG_ENABLE, true);
+ material_glass.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
+ AtlasPointer pa_glass = g_texturesource->getTexture(
+ g_texturesource->getTextureId("glass.png"));
+ material_glass.setTexture(0, pa_glass.atlas);
+
+
+ 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 = data->m_vmanip.getNodeNoEx(blockpos_nodes+p);
+
+ /*
+ Add torches to mesh
+ */
+ if(n.d == CONTENT_TORCH)
+ {
+ video::SColor c(255,255,255,255);
+
+ // Wall at X+ of node
+ 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 + blockpos_nodes, BS);
+ }
+
+ // 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_texturesource->getTextureRaw("torch_on_floor.png"));
+ else if(dir == v3s16(0,1,0))
+ material.setTexture(0,
+ g_texturesource->getTextureRaw("torch_on_ceiling.png"));
+ // For backwards compatibility
+ else if(dir == v3s16(0,0,0))
+ material.setTexture(0,
+ g_texturesource->getTextureRaw("torch_on_floor.png"));
+ else
+ material.setTexture(0,
+ g_texturesource->getTextureRaw("torch.png"));
+
+ u16 indices[] = {0,1,2,2,3,0};
+ // Add to mesh collector
+ collector.append(material, vertices, 4, indices, 6);
+ }
+ /*
+ Signs on walls
+ */
+ if(n.d == CONTENT_SIGN_WALL)
+ {
+ u8 l = decode_light(n.getLightBlend(data->m_daynight_ratio));
+ video::SColor c(255,l,l,l);
+
+ float d = (float)BS/16;
+ // Wall at X+ of node
+ video::S3DVertex vertices[4] =
+ {
+ video::S3DVertex(BS/2-d,-BS/2,-BS/2, 0,0,0, c, 0,1),
+ video::S3DVertex(BS/2-d,-BS/2,BS/2, 0,0,0, c, 1,1),
+ video::S3DVertex(BS/2-d,BS/2,BS/2, 0,0,0, c, 1,0),
+ video::S3DVertex(BS/2-d,BS/2,-BS/2, 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.rotateXYBy(-90);
+ if(dir == v3s16(0,1,0))
+ vertices[i].Pos.rotateXYBy(90);
+
+ vertices[i].Pos += intToFloat(p + blockpos_nodes, BS);
+ }
+
+ // 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.setFlag(video::EMF_FOG_ENABLE, true);
+ //material.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL;
+ material.MaterialType
+ = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
+
+ material.setTexture(0,
+ g_texturesource->getTextureRaw("sign_wall.png"));
+
+ u16 indices[] = {0,1,2,2,3,0};
+ // Add to mesh collector
+ collector.append(material, vertices, 4, indices, 6);
+ }
+ /*
+ Add flowing water to mesh
+ */
+ else if(n.d == CONTENT_WATER)
+ {
+ bool top_is_water = false;
+ MapNode ntop = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x,y+1,z));
+ if(ntop.d == CONTENT_WATER || ntop.d == CONTENT_WATERSOURCE)
+ top_is_water = true;
+
+ u8 l = 0;
+ // Use the light of the node on top if possible
+ if(content_features(ntop.d).param_type == CPT_LIGHT)
+ l = decode_light(ntop.getLightBlend(data->m_daynight_ratio));
+ // Otherwise use the light of this node (the water)
+ else
+ l = decode_light(n.getLightBlend(data->m_daynight_ratio));
+ video::SColor c(WATER_ALPHA,l,l,l);
+
+ // Neighbor water levels (key = relative position)
+ // Includes current node
+ core::map<v3s16, f32> neighbor_levels;
+ core::map<v3s16, u8> neighbor_contents;
+ core::map<v3s16, u8> neighbor_flags;
+ const u8 neighborflag_top_is_water = 0x01;
+ 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;
+ u8 flags = 0;
+ // Check neighbor
+ v3s16 p2 = p + neighbor_dirs[i];
+ MapNode n2 = data->m_vmanip.getNodeNoEx(blockpos_nodes + p2);
+ if(n2.d != CONTENT_IGNORE)
+ {
+ content = n2.d;
+
+ if(n2.d == CONTENT_WATERSOURCE)
+ level = (-0.5+node_water_level) * BS;
+ else if(n2.d == CONTENT_WATER)
+ level = (-0.5 + ((float)n2.param2 + 0.5) / 8.0
+ * node_water_level) * BS;
+
+ // Check node above neighbor.
+ // NOTE: This doesn't get executed if neighbor
+ // doesn't exist
+ p2.Y += 1;
+ n2 = data->m_vmanip.getNodeNoEx(blockpos_nodes + p2);
+ if(n2.d == CONTENT_WATERSOURCE || n2.d == CONTENT_WATER)
+ flags |= neighborflag_top_is_water;
+ }
+
+ neighbor_levels.insert(neighbor_dirs[i], level);
+ neighbor_contents.insert(neighbor_dirs[i], content);
+ neighbor_flags.insert(neighbor_dirs[i], flags);
+ }
+
+ //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++)
{
- buf = mesh_new->getMeshBuffer(g_materials[f->material]);
- // If not found, create one
- if(buf == NULL)
+ v3s16 neighbordir = cornerdir - halfdirs[j];
+ u8 content = neighbor_contents[neighbordir];
+ // Special case for source nodes
+ if(content == CONTENT_WATERSOURCE)
+ {
+ cornerlevel = (-0.5+node_water_level)*BS;
+ valid_count = 1;
+ break;
+ }
+ else if(content == CONTENT_WATER)
+ {
+ cornerlevel += neighbor_levels[neighbordir];
+ valid_count++;
+ }
+ else if(content == CONTENT_AIR)
{
- // This is a "Standard MeshBuffer",
- // it's a typedeffed CMeshBuffer<video::S3DVertex>
- buf = new scene::SMeshBuffer();
- bufs[f->material] = buf;
- // Set material
- ((scene::SMeshBuffer*)buf)->Material = g_materials[f->material];
- // Use VBO
- //buf->setHardwareMappingHint(scene::EHM_STATIC);
- // Add to mesh
- mesh_new->addMeshBuffer(buf);
- // Mesh grabbed it
- buf->drop();
+ cornerlevel += -0.5*BS;
+ valid_count++;
}
}
- material_in_use = f->material;
+ if(valid_count > 0)
+ cornerlevel /= valid_count;
+ corner_levels[i] = cornerlevel;
}
- u16 indices[] = {0,1,2,2,3,0};
+ /*
+ 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];
- //TimeTaker timer("", g_device);
+ /*
+ If our topside is water and neighbor's topside
+ is water, don't draw side face
+ */
+ if(top_is_water &&
+ neighbor_flags[dir] & neighborflag_top_is_water)
+ continue;
- buf->append(f->vertices, 4, indices, 6);
+ u8 neighbor_content = neighbor_contents[dir];
+
+ // Don't draw face if neighbor is not air or water
+ if(neighbor_content != CONTENT_AIR
+ && neighbor_content != CONTENT_WATER)
+ continue;
+
+ bool neighbor_is_water = (neighbor_content == CONTENT_WATER);
+
+ // Don't draw any faces if neighbor is water and top is water
+ if(neighbor_is_water == true && top_is_water == false)
+ continue;
+
+ 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),*/
+ video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c,
+ pa_water1.x0(), pa_water1.y1()),
+ video::S3DVertex(BS/2,0,BS/2, 0,0,0, c,
+ pa_water1.x1(), pa_water1.y1()),
+ video::S3DVertex(BS/2,0,BS/2, 0,0,0, c,
+ pa_water1.x1(), pa_water1.y0()),
+ video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c,
+ pa_water1.x0(), pa_water1.y0()),
+ };
+
+ /*
+ If our topside is water, set upper border of face
+ at upper border of node
+ */
+ if(top_is_water)
+ {
+ vertices[2].Pos.Y = 0.5*BS;
+ vertices[3].Pos.Y = 0.5*BS;
+ }
+ /*
+ Otherwise upper position of face is corner levels
+ */
+ 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, lower border of face is corner
+ water levels
+ */
+ if(neighbor_is_water)
+ {
+ vertices[0].Pos.Y = corner_levels[side_corners[i][1]];
+ vertices[1].Pos.Y = corner_levels[side_corners[i][0]];
+ }
+ /*
+ If neighbor is not water, lower border of face is
+ lower border of node
+ */
+ 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 + blockpos_nodes, BS);
+ }
+
+ u16 indices[] = {0,1,2,2,3,0};
+ // Add to mesh collector
+ collector.append(material_water1, vertices, 4, indices, 6);
+ }
- //appendtime += timer.stop(true);
+ /*
+ 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),*/
+ video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c,
+ pa_water1.x0(), pa_water1.y1()),
+ video::S3DVertex(BS/2,0,BS/2, 0,0,0, c,
+ pa_water1.x1(), pa_water1.y1()),
+ video::S3DVertex(BS/2,0,-BS/2, 0,0,0, c,
+ pa_water1.x1(), pa_water1.y0()),
+ video::S3DVertex(-BS/2,0,-BS/2, 0,0,0, c,
+ pa_water1.x0(), pa_water1.y0()),
+ };
+
+ // This fixes a strange bug
+ s32 corner_resolve[4] = {3,2,1,0};
+
+ for(s32 i=0; i<4; i++)
+ {
+ //vertices[i].Pos.Y += water_level;
+ //vertices[i].Pos.Y += neighbor_levels[v3s16(0,0,0)];
+ s32 j = corner_resolve[i];
+ vertices[i].Pos.Y += corner_levels[j];
+ vertices[i].Pos += intToFloat(p + blockpos_nodes, BS);
+ }
+
+ u16 indices[] = {0,1,2,2,3,0};
+ // Add to mesh collector
+ collector.append(material_water1, vertices, 4, indices, 6);
+ }
+ }
+ /*
+ Add water sources to mesh if using new style
+ */
+ else if(n.d == CONTENT_WATERSOURCE && new_style_water)
+ {
+ //bool top_is_water = false;
+ bool top_is_air = false;
+ MapNode n = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x,y+1,z));
+ /*if(n.d == CONTENT_WATER || n.d == CONTENT_WATERSOURCE)
+ top_is_water = true;*/
+ if(n.d == CONTENT_AIR)
+ top_is_air = true;
+
+ /*if(top_is_water == true)
+ continue;*/
+ if(top_is_air == false)
+ continue;
+
+ u8 l = decode_light(n.getLightBlend(data->m_daynight_ratio));
+ video::SColor c(WATER_ALPHA,l,l,l);
+
+ 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),*/
+ video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c,
+ pa_water1.x0(), pa_water1.y1()),
+ video::S3DVertex(BS/2,0,BS/2, 0,0,0, c,
+ pa_water1.x1(), pa_water1.y1()),
+ video::S3DVertex(BS/2,0,-BS/2, 0,0,0, c,
+ pa_water1.x1(), pa_water1.y0()),
+ video::S3DVertex(-BS/2,0,-BS/2, 0,0,0, c,
+ pa_water1.x0(), pa_water1.y0()),
+ };
+
+ for(s32 i=0; i<4; i++)
+ {
+ vertices[i].Pos.Y += (-0.5+node_water_level)*BS;
+ vertices[i].Pos += intToFloat(p + blockpos_nodes, BS);
+ }
+
+ u16 indices[] = {0,1,2,2,3,0};
+ // Add to mesh collector
+ collector.append(material_water1, vertices, 4, indices, 6);
+ }
+ /*
+ Add leaves if using new style
+ */
+ else if(n.d == CONTENT_LEAVES && new_style_leaves)
+ {
+ /*u8 l = decode_light(n.getLightBlend(data->m_daynight_ratio));*/
+ u8 l = decode_light(undiminish_light(n.getLightBlend(data->m_daynight_ratio)));
+ video::SColor c(255,l,l,l);
+
+ for(u32 j=0; j<6; j++)
+ {
+ 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,-BS/2,BS/2, 0,0,0, c,
+ pa_leaves1.x0(), pa_leaves1.y1()),
+ video::S3DVertex(BS/2,-BS/2,BS/2, 0,0,0, c,
+ pa_leaves1.x1(), pa_leaves1.y1()),
+ video::S3DVertex(BS/2,BS/2,BS/2, 0,0,0, c,
+ pa_leaves1.x1(), pa_leaves1.y0()),
+ video::S3DVertex(-BS/2,BS/2,BS/2, 0,0,0, c,
+ pa_leaves1.x0(), pa_leaves1.y0()),
+ };
+
+ if(j == 0)
+ {
+ for(u16 i=0; i<4; i++)
+ vertices[i].Pos.rotateXZBy(0);
+ }
+ else if(j == 1)
+ {
+ for(u16 i=0; i<4; i++)
+ vertices[i].Pos.rotateXZBy(180);
+ }
+ else if(j == 2)
+ {
+ for(u16 i=0; i<4; i++)
+ vertices[i].Pos.rotateXZBy(-90);
+ }
+ else if(j == 3)
+ {
+ for(u16 i=0; i<4; i++)
+ vertices[i].Pos.rotateXZBy(90);
+ }
+ else if(j == 4)
+ {
+ for(u16 i=0; i<4; i++)
+ vertices[i].Pos.rotateYZBy(-90);
+ }
+ else if(j == 5)
+ {
+ for(u16 i=0; i<4; i++)
+ vertices[i].Pos.rotateYZBy(90);
+ }
+
+ for(u16 i=0; i<4; i++)
+ {
+ vertices[i].Pos += intToFloat(p + blockpos_nodes, BS);
+ }
+
+ u16 indices[] = {0,1,2,2,3,0};
+ // Add to mesh collector
+ collector.append(material_leaves1, vertices, 4, indices, 6);
+ }
+ }
+ /*
+ Add glass
+ */
+ else if(n.d == CONTENT_GLASS)
+ {
+ u8 l = decode_light(undiminish_light(n.getLightBlend(data->m_daynight_ratio)));
+ video::SColor c(255,l,l,l);
+
+ for(u32 j=0; j<6; j++)
+ {
+ video::S3DVertex vertices[4] =
+ {
+ video::S3DVertex(-BS/2,-BS/2,BS/2, 0,0,0, c,
+ pa_glass.x0(), pa_glass.y1()),
+ video::S3DVertex(BS/2,-BS/2,BS/2, 0,0,0, c,
+ pa_glass.x1(), pa_glass.y1()),
+ video::S3DVertex(BS/2,BS/2,BS/2, 0,0,0, c,
+ pa_glass.x1(), pa_glass.y0()),
+ video::S3DVertex(-BS/2,BS/2,BS/2, 0,0,0, c,
+ pa_glass.x0(), pa_glass.y0()),
+ };
+
+ if(j == 0)
+ {
+ for(u16 i=0; i<4; i++)
+ vertices[i].Pos.rotateXZBy(0);
+ }
+ else if(j == 1)
+ {
+ for(u16 i=0; i<4; i++)
+ vertices[i].Pos.rotateXZBy(180);
+ }
+ else if(j == 2)
+ {
+ for(u16 i=0; i<4; i++)
+ vertices[i].Pos.rotateXZBy(-90);
+ }
+ else if(j == 3)
+ {
+ for(u16 i=0; i<4; i++)
+ vertices[i].Pos.rotateXZBy(90);
+ }
+ else if(j == 4)
+ {
+ for(u16 i=0; i<4; i++)
+ vertices[i].Pos.rotateYZBy(-90);
+ }
+ else if(j == 5)
+ {
+ for(u16 i=0; i<4; i++)
+ vertices[i].Pos.rotateYZBy(90);
+ }
+
+ for(u16 i=0; i<4; i++)
+ {
+ vertices[i].Pos += intToFloat(p + blockpos_nodes, BS);
+ }
+
+ u16 indices[] = {0,1,2,2,3,0};
+ // Add to mesh collector
+ collector.append(material_glass, vertices, 4, indices, 6);
+ }
+ }
+
+
+
+ }
+
+ /*
+ Add stuff from collector to mesh
+ */
+
+ scene::SMesh *mesh_new = NULL;
+ mesh_new = new scene::SMesh();
+
+ collector.fillMesh(mesh_new);
+
+ /*
+ Do some stuff to the mesh
+ */
+
+ mesh_new->recalculateBoundingBox();
+
+ /*
+ Delete new mesh if it is empty
+ */
+
+ if(mesh_new->getMeshBufferCount() == 0)
+ {
+ mesh_new->drop();
+ mesh_new = NULL;
+ }
+
+ if(mesh_new)
+ {
+#if 0
+ // Usually 1-700 faces and 1-7 materials
+ std::cout<<"Updated MapBlock has "<<fastfaces_new.size()<<" faces "
+ <<"and uses "<<mesh_new->getMeshBufferCount()
+ <<" materials (meshbuffers)"<<std::endl;
+#endif
+
+ // Use VBO for mesh (this just would set this for ever buffer)
+ // This will lead to infinite memory usage because or irrlicht.
+ //mesh_new->setHardwareMappingHint(scene::EHM_STATIC);
+
+ /*
+ NOTE: If that is enabled, some kind of a queue to the main
+ thread should be made which would call irrlicht to delete
+ the hardware buffer and then delete the mesh
+ */
+ }
+
+ return mesh_new;
+
+ //std::cout<<"added "<<fastfaces.getSize()<<" faces."<<std::endl;
+}
+
+#endif // !SERVER
+
+/*
+ MapBlock
+*/
+
+MapBlock::MapBlock(NodeContainer *parent, v3s16 pos, bool dummy):
+ m_parent(parent),
+ m_pos(pos),
+ changed(true),
+ is_underground(false),
+ m_lighting_expired(true),
+ m_day_night_differs(false),
+ //m_not_fully_generated(false),
+ m_objects(this)
+{
+ data = NULL;
+ if(dummy == false)
+ reallocate();
+
+ //m_spawn_timer = -10000;
+
+#ifndef SERVER
+ m_mesh_expired = false;
+ mesh_mutex.Init();
+ mesh = NULL;
+ m_temp_mods_mutex.Init();
+#endif
+}
+
+MapBlock::~MapBlock()
+{
+#ifndef SERVER
+ {
+ JMutexAutoLock lock(mesh_mutex);
+
+ if(mesh)
+ {
+ mesh->drop();
+ mesh = NULL;
+ }
+ }
+#endif
+
+ if(data)
+ delete[] data;
+}
+
+bool MapBlock::isValidPositionParent(v3s16 p)
+{
+ if(isValidPosition(p))
+ {
+ return true;
+ }
+ else{
+ return m_parent->isValidPosition(getPosRelative() + p);
+ }
+}
+
+MapNode MapBlock::getNodeParent(v3s16 p)
+{
+ if(isValidPosition(p) == false)
+ {
+ return m_parent->getNode(getPosRelative() + p);
+ }
+ else
+ {
+ if(data == NULL)
+ throw InvalidPositionException();
+ return data[p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X];
+ }
+}
+
+void MapBlock::setNodeParent(v3s16 p, MapNode & n)
+{
+ if(isValidPosition(p) == false)
+ {
+ m_parent->setNode(getPosRelative() + p, n);
+ }
+ else
+ {
+ if(data == NULL)
+ throw InvalidPositionException();
+ data[p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X] = n;
+ }
+}
+
+MapNode MapBlock::getNodeParentNoEx(v3s16 p)
+{
+ if(isValidPosition(p) == false)
+ {
+ try{
+ return m_parent->getNode(getPosRelative() + p);
+ }
+ catch(InvalidPositionException &e)
+ {
+ return MapNode(CONTENT_IGNORE);
}
-
- // Use VBO for mesh (this just would set this for ever buffer)
- //mesh_new->setHardwareMappingHint(scene::EHM_STATIC);
-
- /*std::cout<<"MapBlock has "<<fastfaces_new->getSize()<<" faces "
- <<"and uses "<<mesh_new->getMeshBufferCount()
- <<" materials"<<std::endl;*/
}
+ else
+ {
+ if(data == NULL)
+ {
+ return MapNode(CONTENT_IGNORE);
+ }
+ return data[p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X];
+ }
+}
- //dstream<<"appendtime="<<appendtime<<std::endl;
+#ifndef SERVER
- // TODO: Get rid of the FastFace stage
- core::list<FastFace*>::Iterator i;
- i = fastfaces_new->begin();
- for(; i != fastfaces_new->end(); i++)
+#if 1
+void MapBlock::updateMesh(u32 daynight_ratio)
+{
+#if 0
+ /*
+ DEBUG: If mesh has been generated, don't generate it again
+ */
{
- delete *i;
+ JMutexAutoLock meshlock(mesh_mutex);
+ if(mesh != NULL)
+ return;
}
- fastfaces_new->clear();
- delete fastfaces_new;
+#endif
+ MeshMakeData data;
+ data.fill(daynight_ratio, this);
+
+ scene::SMesh *mesh_new = makeMapBlockMesh(&data);
+
/*
Replace the mesh
*/
+ replaceMesh(mesh_new);
+
+}
+#endif
+
+void MapBlock::replaceMesh(scene::SMesh *mesh_new)
+{
mesh_mutex.Lock();
- scene::SMesh *mesh_old = mesh;
+ //scene::SMesh *mesh_old = mesh[daynight_i];
+ //mesh[daynight_i] = mesh_new;
+ scene::SMesh *mesh_old = mesh;
mesh = mesh_new;
+ setMeshExpired(false);
if(mesh_old != NULL)
{
{
IMeshBuffer *buf = mesh_old->getMeshBuffer(i);
}*/
+
+ /*dstream<<"mesh_old->getReferenceCount()="
+ <<mesh_old->getReferenceCount()<<std::endl;
+ u32 c = mesh_old->getMeshBufferCount();
+ for(u32 i=0; i<c; i++)
+ {
+ scene::IMeshBuffer *buf = mesh_old->getMeshBuffer(i);
+ dstream<<"buf->getReferenceCount()="
+ <<buf->getReferenceCount()<<std::endl;
+ }*/
+
// Drop the mesh
mesh_old->drop();
+
//delete mesh_old;
}
mesh_mutex.Unlock();
-
- //std::cout<<"added "<<fastfaces.getSize()<<" faces."<<std::endl;
}
+
+#endif // !SERVER
/*
Propagates sunlight down through the block.
If there is a block above, continues from it.
If there is no block above, assumes there is sunlight, unless
- is_underground is set.
+ is_underground is set or highest node is water.
At the moment, all sunlighted nodes are added to light_sources.
- TODO: This could be optimized.
+ - SUGG: This could be optimized
+
+ Turns sunglighted mud into grass.
+
+ if remove_light==true, sets non-sunlighted nodes black.
+
+ if black_air_left!=NULL, it is set to true if non-sunlighted
+ air is left in block.
*/
-bool MapBlock::propagateSunlight(core::map<v3s16, bool> & light_sources)
+bool MapBlock::propagateSunlight(core::map<v3s16, bool> & light_sources,
+ bool remove_light, bool *black_air_left,
+ bool grow_grass)
{
// Whether the sunlight at the top of the bottom block is valid
bool block_below_is_valid = true;
{
for(s16 z=0; z<MAP_BLOCKSIZE; z++)
{
+#if 1
bool no_sunlight = false;
bool no_top_block = false;
// Check if node above block has sunlight
try{
MapNode n = getNodeParent(v3s16(x, MAP_BLOCKSIZE, z));
- if(n.getLight() != LIGHT_SUN)
+ if(n.getLight(LIGHTBANK_DAY) != LIGHT_SUN)
{
- /*if(is_underground)
- {
- no_sunlight = true;
- }*/
no_sunlight = true;
}
}
{
no_top_block = true;
- // TODO: This makes over-ground roofed places sunlighted
+ // NOTE: This makes over-ground roofed places sunlighted
// Assume sunlight, unless is_underground==true
if(is_underground)
{
no_sunlight = true;
}
-
- // TODO: There has to be some way to allow this behaviour
- // As of now, it just makes everything dark.
+ else
+ {
+ MapNode n = getNode(v3s16(x, MAP_BLOCKSIZE-1, z));
+ if(n.d == CONTENT_WATER || n.d == CONTENT_WATERSOURCE)
+ {
+ no_sunlight = true;
+ }
+ }
+ // NOTE: As of now, this just would make everything dark.
// No sunlight here
//no_sunlight = true;
}
+#endif
+#if 0 // Doesn't work; nothing gets light.
+ bool no_sunlight = true;
+ bool no_top_block = false;
+ // Check if node above block has sunlight
+ try{
+ MapNode n = getNodeParent(v3s16(x, MAP_BLOCKSIZE, z));
+ if(n.getLight(LIGHTBANK_DAY) == LIGHT_SUN)
+ {
+ no_sunlight = false;
+ }
+ }
+ catch(InvalidPositionException &e)
+ {
+ no_top_block = true;
+ }
+#endif
/*std::cout<<"("<<x<<","<<z<<"): "
<<"no_top_block="<<no_top_block
s16 y = MAP_BLOCKSIZE-1;
- if(no_sunlight == false)
+ // This makes difference to diminishing in water.
+ bool stopped_to_solid_object = false;
+
+ u8 current_light = no_sunlight ? 0 : LIGHT_SUN;
+
+ for(; y >= 0; y--)
{
- // Continue spreading sunlight downwards through transparent
- // nodes
- for(; y >= 0; y--)
+ v3s16 pos(x, y, z);
+ MapNode &n = getNodeRef(pos);
+
+ if(current_light == 0)
{
- v3s16 pos(x, y, z);
-
- MapNode &n = getNodeRef(pos);
-
- if(n.sunlight_propagates())
+ // Do nothing
+ }
+ else if(current_light == LIGHT_SUN && n.sunlight_propagates())
+ {
+ // Do nothing: Sunlight is continued
+ }
+ else if(n.light_propagates() == false)
+ {
+ if(grow_grass)
{
- n.setLight(LIGHT_SUN);
-
- light_sources.insert(pos_relative + pos, true);
- }
- else{
- break;
+ bool upper_is_air = false;
+ try
+ {
+ if(getNodeParent(pos+v3s16(0,1,0)).d == CONTENT_AIR)
+ upper_is_air = true;
+ }
+ catch(InvalidPositionException &e)
+ {
+ }
+ // Turn mud into grass
+ if(upper_is_air && n.d == CONTENT_MUD
+ && current_light == LIGHT_SUN)
+ {
+ n.d = CONTENT_GRASS;
+ }
}
+
+ // A solid object is on the way.
+ stopped_to_solid_object = true;
+
+ // Light stops.
+ current_light = 0;
+ }
+ else
+ {
+ // Diminish light
+ current_light = diminish_light(current_light);
}
- }
- bool sunlight_should_go_down = (y==-1);
+ u8 old_light = n.getLight(LIGHTBANK_DAY);
- // Fill rest with black (only transparent ones)
- for(; y >= 0; y--){
- v3s16 pos(x, y, z);
+ if(current_light > old_light || remove_light)
+ {
+ n.setLight(LIGHTBANK_DAY, current_light);
+ }
- MapNode &n = getNodeRef(pos);
-
- if(n.light_propagates())
+ if(diminish_light(current_light) != 0)
{
- n.setLight(0);
+ light_sources.insert(pos_relative + pos, true);
}
- else{
- break;
+
+ if(current_light == 0 && stopped_to_solid_object)
+ {
+ if(black_air_left)
+ {
+ *black_air_left = true;
+ }
}
}
+ // Whether or not the block below should see LIGHT_SUN
+ bool sunlight_should_go_down = (current_light == LIGHT_SUN);
+
/*
If the block below hasn't already been marked invalid:
MapNode n = getNodeParent(v3s16(x, -1, z));
if(n.light_propagates())
{
- if(n.getLight() == LIGHT_SUN
+ if(n.getLight(LIGHTBANK_DAY) == LIGHT_SUN
&& sunlight_should_go_down == false)
block_below_is_valid = false;
- else if(n.getLight() != LIGHT_SUN
+ else if(n.getLight(LIGHTBANK_DAY) != LIGHT_SUN
&& sunlight_should_go_down == true)
block_below_is_valid = false;
}
return block_below_is_valid;
}
+
+void MapBlock::copyTo(VoxelManipulator &dst)
+{
+ v3s16 data_size(MAP_BLOCKSIZE, MAP_BLOCKSIZE, MAP_BLOCKSIZE);
+ VoxelArea data_area(v3s16(0,0,0), data_size - v3s16(1,1,1));
+
+ // Copy from data to VoxelManipulator
+ dst.copyFrom(data, data_area, v3s16(0,0,0),
+ getPosRelative(), data_size);
+}
+
+void MapBlock::copyFrom(VoxelManipulator &dst)
+{
+ v3s16 data_size(MAP_BLOCKSIZE, MAP_BLOCKSIZE, MAP_BLOCKSIZE);
+ VoxelArea data_area(v3s16(0,0,0), data_size - v3s16(1,1,1));
+
+ // Copy from VoxelManipulator to data
+ dst.copyTo(data, data_area, v3s16(0,0,0),
+ getPosRelative(), data_size);
+}
+
+void MapBlock::stepObjects(float dtime, bool server, u32 daynight_ratio)
+{
+ /*
+ Step objects
+ */
+ m_objects.step(dtime, server, daynight_ratio);
+
+#if 0
+ /*
+ Spawn some objects at random.
+
+ Use dayNightDiffed() to approximate being near ground level
+ */
+ if(m_spawn_timer < -999)
+ {
+ m_spawn_timer = 60;
+ }
+ if(dayNightDiffed() == true && getObjectCount() == 0)
+ {
+ m_spawn_timer -= dtime;
+ if(m_spawn_timer <= 0.0)
+ {
+ m_spawn_timer += myrand() % 300;
+
+ v2s16 p2d(
+ (myrand()%(MAP_BLOCKSIZE-1))+0,
+ (myrand()%(MAP_BLOCKSIZE-1))+0
+ );
+
+ s16 y = getGroundLevel(p2d);
+
+ if(y >= 0)
+ {
+ v3s16 p(p2d.X, y+1, p2d.Y);
+
+ if(getNode(p).d == CONTENT_AIR
+ && getNode(p).getLightBlend(daynight_ratio) <= 11)
+ {
+ RatObject *obj = new RatObject(NULL, -1, intToFloat(p, BS));
+ addObject(obj);
+ }
+ }
+ }
+ }
+#endif
+
+ setChangedFlag();
+}
+
+
+void MapBlock::updateDayNightDiff()
+{
+ if(data == NULL)
+ {
+ m_day_night_differs = false;
+ return;
+ }
+
+ bool differs = false;
+
+ /*
+ Check if any lighting value differs
+ */
+ for(u32 i=0; i<MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE; i++)
+ {
+ MapNode &n = data[i];
+ if(n.getLight(LIGHTBANK_DAY) != n.getLight(LIGHTBANK_NIGHT))
+ {
+ differs = true;
+ break;
+ }
+ }
+
+ /*
+ If some lighting values differ, check if the whole thing is
+ just air. If it is, differ = false
+ */
+ if(differs)
+ {
+ bool only_air = true;
+ for(u32 i=0; i<MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE; i++)
+ {
+ MapNode &n = data[i];
+ if(n.d != CONTENT_AIR)
+ {
+ only_air = false;
+ break;
+ }
+ }
+ if(only_air)
+ differs = false;
+ }
+
+ // Set member variable
+ m_day_night_differs = differs;
+}
+
+s16 MapBlock::getGroundLevel(v2s16 p2d)
+{
+ if(isDummy())
+ return -3;
+ try
+ {
+ s16 y = MAP_BLOCKSIZE-1;
+ for(; y>=0; y--)
+ {
+ //if(is_ground_content(getNodeRef(p2d.X, y, p2d.Y).d))
+ if(content_features(getNodeRef(p2d.X, y, p2d.Y).d).walkable)
+ {
+ if(y == MAP_BLOCKSIZE-1)
+ return -2;
+ else
+ return y;
+ }
+ }
+ return -1;
+ }
+ catch(InvalidPositionException &e)
+ {
+ return -3;
+ }
+}
+
/*
Serialization
*/
os.write((char*)*dest, dest.getSize());
}
- // All otherversions
- else
+ else if(version <= 10)
{
/*
With compression.
}
compress(materialdata, os, version);
- // Get and compress params
- SharedBuffer<u8> paramdata(nodecount);
+ // Get and compress lights
+ SharedBuffer<u8> lightdata(nodecount);
+ for(u32 i=0; i<nodecount; i++)
+ {
+ lightdata[i] = data[i].param;
+ }
+ compress(lightdata, os, version);
+
+ if(version >= 10)
+ {
+ // Get and compress param2
+ SharedBuffer<u8> param2data(nodecount);
+ for(u32 i=0; i<nodecount; i++)
+ {
+ param2data[i] = data[i].param2;
+ }
+ compress(param2data, os, version);
+ }
+ }
+ // All other versions (newest)
+ else
+ {
+ // First byte
+ u8 flags = 0;
+ if(is_underground)
+ flags |= 0x01;
+ if(m_day_night_differs)
+ flags |= 0x02;
+ if(m_lighting_expired)
+ flags |= 0x04;
+ os.write((char*)&flags, 1);
+
+ u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
+
+ /*
+ Get data
+ */
+
+ SharedBuffer<u8> databuf(nodecount*3);
+
+ // Get contents
+ for(u32 i=0; i<nodecount; i++)
+ {
+ databuf[i] = data[i].d;
+ }
+
+ // Get params
+ for(u32 i=0; i<nodecount; i++)
+ {
+ databuf[i+nodecount] = data[i].param;
+ }
+
+ // Get param2
for(u32 i=0; i<nodecount; i++)
{
- paramdata[i] = data[i].param;
+ databuf[i+nodecount*2] = data[i].param2;
+ }
+
+ /*
+ Compress data to output stream
+ */
+
+ compress(databuf, os, version);
+
+ /*
+ NodeMetadata
+ */
+ if(version >= 14)
+ {
+ if(version <= 15)
+ {
+ try{
+ std::ostringstream oss(std::ios_base::binary);
+ m_node_metadata.serialize(oss);
+ os<<serializeString(oss.str());
+ }
+ // This will happen if the string is longer than 65535
+ catch(SerializationError &e)
+ {
+ // Use an empty string
+ os<<serializeString("");
+ }
+ }
+ else
+ {
+ std::ostringstream oss(std::ios_base::binary);
+ m_node_metadata.serialize(oss);
+ compressZlib(oss.str(), os);
+ //os<<serializeLongString(oss.str());
+ }
}
- compress(paramdata, os, version);
}
}
if(!ser_ver_supported(version))
throw VersionMismatchException("ERROR: MapBlock format not supported");
+ // These have no lighting info
+ if(version <= 1)
+ {
+ setLightingExpired(true);
+ }
+
// These have no compression
if(version <= 3 || version == 5 || version == 6)
{
data[i].deSerialize(*d, version);
}
}
- // All other versions
- else
+ else if(version <= 10)
{
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
data[i].param = s[i];
}
}
+
+ if(version >= 10)
+ {
+ // Uncompress and set param2 data
+ std::ostringstream os(std::ios_base::binary);
+ decompress(is, os, version);
+ std::string s = os.str();
+ if(s.size() != nodecount)
+ throw SerializationError
+ ("MapBlock::deSerialize: invalid format");
+ for(u32 i=0; i<s.size(); i++)
+ {
+ data[i].param2 = s[i];
+ }
+ }
+ }
+ // All other versions (newest)
+ else
+ {
+ u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
+
+ u8 flags;
+ is.read((char*)&flags, 1);
+ is_underground = (flags & 0x01) ? true : false;
+ m_day_night_differs = (flags & 0x02) ? true : false;
+ m_lighting_expired = (flags & 0x04) ? true : false;
+
+ // Uncompress data
+ std::ostringstream os(std::ios_base::binary);
+ decompress(is, os, version);
+ std::string s = os.str();
+ if(s.size() != nodecount*3)
+ throw SerializationError
+ ("MapBlock::deSerialize: invalid format");
+
+ // Set contents
+ for(u32 i=0; i<nodecount; i++)
+ {
+ data[i].d = s[i];
+ }
+ // Set params
+ for(u32 i=0; i<nodecount; i++)
+ {
+ data[i].param = s[i+nodecount];
+ }
+ // Set param2
+ for(u32 i=0; i<nodecount; i++)
+ {
+ data[i].param2 = s[i+nodecount*2];
+ }
+
+ /*
+ NodeMetadata
+ */
+ if(version >= 14)
+ {
+ // Ignore errors
+ try{
+ if(version <= 15)
+ {
+ std::string data = deSerializeString(is);
+ std::istringstream iss(data, std::ios_base::binary);
+ m_node_metadata.deSerialize(iss);
+ }
+ else
+ {
+ //std::string data = deSerializeLongString(is);
+ std::ostringstream oss(std::ios_base::binary);
+ decompressZlib(is, oss);
+ std::istringstream iss(oss.str(), std::ios_base::binary);
+ m_node_metadata.deSerialize(iss);
+ }
+ }
+ catch(SerializationError &e)
+ {
+ dstream<<"WARNING: MapBlock::deSerialize(): Ignoring an error"
+ <<" while deserializing node metadata"<<std::endl;
+ }
+ }
+ }
+
+ /*
+ Translate nodes as specified in the translate_to fields of
+ node features
+ */
+ for(u32 i=0; i<MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE; i++)
+ {
+ MapNode &n = data[i];
+
+ MapNode *translate_to = content_features(n.d).translate_to;
+ if(translate_to)
+ {
+ dstream<<"MapBlock: WARNING: Translating node "<<n.d<<" to "
+ <<translate_to->d<<std::endl;
+ n = *translate_to;
+ }
}
}
projects / minetest.git / blobdiff