1947 lines
45 KiB
C++
1947 lines
45 KiB
C++
/*
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Minetest-c55
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Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "mapblock.h"
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#include "map.h"
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// For g_settings and g_irrlicht
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#include "main.h"
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#include "light.h"
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#include <sstream>
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/*
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MapBlock
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*/
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MapBlock::MapBlock(NodeContainer *parent, v3s16 pos, bool dummy):
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m_parent(parent),
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m_pos(pos),
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changed(true),
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is_underground(false),
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m_day_night_differs(false),
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m_objects(this)
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{
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data = NULL;
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if(dummy == false)
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reallocate();
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m_spawn_timer = -10000;
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#ifndef SERVER
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m_mesh_expired = false;
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mesh_mutex.Init();
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mesh = NULL;
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m_temp_mods_mutex.Init();
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#endif
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}
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MapBlock::~MapBlock()
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{
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#ifndef SERVER
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{
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JMutexAutoLock lock(mesh_mutex);
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if(mesh)
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{
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mesh->drop();
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mesh = NULL;
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}
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}
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#endif
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if(data)
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delete[] data;
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}
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bool MapBlock::isValidPositionParent(v3s16 p)
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{
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if(isValidPosition(p))
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{
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return true;
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}
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else{
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return m_parent->isValidPosition(getPosRelative() + p);
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}
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}
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MapNode MapBlock::getNodeParent(v3s16 p)
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{
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if(isValidPosition(p) == false)
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{
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return m_parent->getNode(getPosRelative() + p);
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}
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else
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{
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if(data == NULL)
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throw InvalidPositionException();
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return data[p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X];
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}
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}
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void MapBlock::setNodeParent(v3s16 p, MapNode & n)
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{
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if(isValidPosition(p) == false)
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{
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m_parent->setNode(getPosRelative() + p, n);
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}
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else
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{
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if(data == NULL)
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throw InvalidPositionException();
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data[p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X] = n;
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}
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}
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MapNode MapBlock::getNodeParentNoEx(v3s16 p)
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{
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if(isValidPosition(p) == false)
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{
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try{
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return m_parent->getNode(getPosRelative() + p);
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}
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catch(InvalidPositionException &e)
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{
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return MapNode(CONTENT_IGNORE);
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}
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}
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else
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{
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if(data == NULL)
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{
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return MapNode(CONTENT_IGNORE);
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}
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return data[p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X];
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}
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}
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/*
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Parameters must consist of air and !air.
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Order doesn't matter.
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If either of the nodes doesn't exist, light is 0.
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parameters:
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daynight_ratio: 0...1000
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n: getNodeParent(p)
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n2: getNodeParent(p + face_dir)
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face_dir: axis oriented unit vector from p to p2
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returns encoded light value.
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*/
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u8 MapBlock::getFaceLight(u32 daynight_ratio, MapNode n, MapNode n2,
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v3s16 face_dir)
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{
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try{
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u8 light;
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u8 l1 = n.getLightBlend(daynight_ratio);
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u8 l2 = n2.getLightBlend(daynight_ratio);
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if(l1 > l2)
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light = l1;
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else
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light = l2;
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// Make some nice difference to different sides
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// This makes light come from a corner
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/*if(face_dir.X == 1 || face_dir.Z == 1 || face_dir.Y == -1)
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light = diminish_light(diminish_light(light));
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else if(face_dir.X == -1 || face_dir.Z == -1)
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light = diminish_light(light);*/
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// All neighboring faces have different shade (like in minecraft)
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if(face_dir.X == 1 || face_dir.X == -1 || face_dir.Y == -1)
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light = diminish_light(diminish_light(light));
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else if(face_dir.Z == 1 || face_dir.Z == -1)
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light = diminish_light(light);
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return light;
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}
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catch(InvalidPositionException &e)
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{
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return 0;
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}
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}
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#ifndef SERVER
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void MapBlock::makeFastFace(TileSpec tile, u8 light, v3f p,
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v3s16 dir, v3f scale, v3f posRelative_f,
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core::array<FastFace> &dest)
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{
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FastFace face;
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// Position is at the center of the cube.
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v3f pos = p * BS;
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posRelative_f *= BS;
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v3f vertex_pos[4];
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// If looking towards z+, this is the face that is behind
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// the center point, facing towards z+.
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vertex_pos[0] = v3f(-BS/2,-BS/2,BS/2);
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vertex_pos[1] = v3f( BS/2,-BS/2,BS/2);
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vertex_pos[2] = v3f( BS/2, BS/2,BS/2);
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vertex_pos[3] = v3f(-BS/2, BS/2,BS/2);
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if(dir == v3s16(0,0,1))
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{
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for(u16 i=0; i<4; i++)
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vertex_pos[i].rotateXZBy(0);
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}
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else if(dir == v3s16(0,0,-1))
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{
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for(u16 i=0; i<4; i++)
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vertex_pos[i].rotateXZBy(180);
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}
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else if(dir == v3s16(1,0,0))
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{
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for(u16 i=0; i<4; i++)
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vertex_pos[i].rotateXZBy(-90);
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}
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else if(dir == v3s16(-1,0,0))
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{
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for(u16 i=0; i<4; i++)
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vertex_pos[i].rotateXZBy(90);
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}
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else if(dir == v3s16(0,1,0))
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{
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for(u16 i=0; i<4; i++)
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vertex_pos[i].rotateYZBy(-90);
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}
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else if(dir == v3s16(0,-1,0))
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{
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for(u16 i=0; i<4; i++)
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vertex_pos[i].rotateYZBy(90);
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}
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for(u16 i=0; i<4; i++)
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{
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vertex_pos[i].X *= scale.X;
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vertex_pos[i].Y *= scale.Y;
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vertex_pos[i].Z *= scale.Z;
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vertex_pos[i] += pos + posRelative_f;
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}
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f32 abs_scale = 1.;
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if (scale.X < 0.999 || scale.X > 1.001) abs_scale = scale.X;
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else if(scale.Y < 0.999 || scale.Y > 1.001) abs_scale = scale.Y;
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else if(scale.Z < 0.999 || scale.Z > 1.001) abs_scale = scale.Z;
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v3f zerovector = v3f(0,0,0);
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//u8 li = decode_light(light);
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u8 li = light;
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//u8 li = 255; //DEBUG
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u8 alpha = tile.alpha;
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/*u8 alpha = 255;
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if(tile.id == TILE_WATER)
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alpha = WATER_ALPHA;*/
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video::SColor c = video::SColor(alpha,li,li,li);
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face.vertices[0] = video::S3DVertex(vertex_pos[0], zerovector, c,
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core::vector2d<f32>(abs_scale,1));
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face.vertices[1] = video::S3DVertex(vertex_pos[1], zerovector, c,
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core::vector2d<f32>(0,1));
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face.vertices[2] = video::S3DVertex(vertex_pos[2], zerovector, c,
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core::vector2d<f32>(0,0));
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face.vertices[3] = video::S3DVertex(vertex_pos[3], zerovector, c,
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core::vector2d<f32>(abs_scale,0));
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/*float x0 = (float)tile.tx/256.0;
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float y0 = (float)tile.ty/256.0;
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float w = ((float)tile.tw + 1.0)/256.0;
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float h = ((float)tile.th + 1.0)/256.0;*/
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float x0 = tile.texture.pos.X;
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float y0 = tile.texture.pos.Y;
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float w = tile.texture.size.X;
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float h = tile.texture.size.Y;
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face.vertices[0] = video::S3DVertex(vertex_pos[0], zerovector, c,
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core::vector2d<f32>(x0+w*abs_scale, y0+h));
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face.vertices[1] = video::S3DVertex(vertex_pos[1], zerovector, c,
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core::vector2d<f32>(x0, y0+h));
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face.vertices[2] = video::S3DVertex(vertex_pos[2], zerovector, c,
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core::vector2d<f32>(x0, y0));
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face.vertices[3] = video::S3DVertex(vertex_pos[3], zerovector, c,
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core::vector2d<f32>(x0+w*abs_scale, y0));
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face.tile = tile;
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//DEBUG
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//f->tile = TILE_STONE;
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dest.push_back(face);
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//return f;
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}
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/*
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Gets node tile from any place relative to block.
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Returns TILE_NODE if doesn't exist or should not be drawn.
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*/
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TileSpec MapBlock::getNodeTile(MapNode mn, v3s16 p, v3s16 face_dir,
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NodeModMap &temp_mods)
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{
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TileSpec spec;
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spec = mn.getTile(face_dir);
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/*
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Check temporary modifications on this node
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*/
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/*core::map<v3s16, NodeMod>::Node *n;
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n = m_temp_mods.find(p);
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// If modified
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if(n != NULL)
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{
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struct NodeMod mod = n->getValue();*/
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NodeMod mod;
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if(temp_mods.get(p, &mod))
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{
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if(mod.type == NODEMOD_CHANGECONTENT)
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{
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MapNode mn2(mod.param);
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spec = mn2.getTile(face_dir);
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}
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if(mod.type == NODEMOD_CRACK)
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{
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/*
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Get texture id, translate it to name, append stuff to
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name, get texture id
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*/
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// Get original texture name
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u32 orig_id = spec.texture.id;
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std::string orig_name = g_texturesource->getTextureName(orig_id);
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// Create new texture name
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std::ostringstream os;
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os<<orig_name<<"^[crack"<<mod.param;
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// Get new texture
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u32 new_id = g_texturesource->getTextureId(os.str());
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/*dstream<<"MapBlock::getNodeTile(): Switching from "
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<<orig_name<<" to "<<os.str()<<" ("
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<<orig_id<<" to "<<new_id<<")"<<std::endl;*/
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spec.texture = g_texturesource->getTexture(new_id);
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}
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}
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return spec;
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}
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u8 MapBlock::getNodeContent(v3s16 p, MapNode mn, NodeModMap &temp_mods)
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{
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/*
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Check temporary modifications on this node
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*/
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/*core::map<v3s16, NodeMod>::Node *n;
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n = m_temp_mods.find(p);
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// If modified
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if(n != NULL)
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{
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struct NodeMod mod = n->getValue();*/
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NodeMod mod;
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if(temp_mods.get(p, &mod))
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{
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if(mod.type == NODEMOD_CHANGECONTENT)
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{
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// Overrides content
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return mod.param;
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}
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if(mod.type == NODEMOD_CRACK)
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{
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/*
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Content doesn't change.
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face_contents works just like it should, because
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there should not be faces between differently cracked
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nodes.
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If a semi-transparent node is cracked in front an
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another one, it really doesn't matter whether there
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is a cracked face drawn in between or not.
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*/
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}
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}
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return mn.d;
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}
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/*
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startpos:
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translate_dir: unit vector with only one of x, y or z
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face_dir: unit vector with only one of x, y or z
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*/
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void MapBlock::updateFastFaceRow(
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u32 daynight_ratio,
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v3f posRelative_f,
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v3s16 startpos,
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u16 length,
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v3s16 translate_dir,
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v3f translate_dir_f,
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v3s16 face_dir,
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v3f face_dir_f,
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core::array<FastFace> &dest,
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NodeModMap &temp_mods)
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{
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v3s16 p = startpos;
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u16 continuous_tiles_count = 0;
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MapNode n0 = getNodeParentNoEx(p);
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MapNode n1 = getNodeParentNoEx(p + face_dir);
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u8 light = getFaceLight(daynight_ratio, n0, n1, face_dir);
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TileSpec tile0 = getNodeTile(n0, p, face_dir, temp_mods);
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TileSpec tile1 = getNodeTile(n1, p + face_dir, -face_dir, temp_mods);
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for(u16 j=0; j<length; j++)
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{
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bool next_is_different = true;
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v3s16 p_next;
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MapNode n0_next;
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MapNode n1_next;
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TileSpec tile0_next;
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TileSpec tile1_next;
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u8 light_next = 0;
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// If at last position, there is nothing to compare to and
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// the face must be drawn anyway
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if(j != length - 1)
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{
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p_next = p + translate_dir;
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n0_next = getNodeParentNoEx(p_next);
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n1_next = getNodeParentNoEx(p_next + face_dir);
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tile0_next = getNodeTile(n0_next, p_next, face_dir, temp_mods);
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tile1_next = getNodeTile(n1_next,p_next+face_dir,-face_dir, temp_mods);
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light_next = getFaceLight(daynight_ratio, n0_next, n1_next, face_dir);
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if(tile0_next == tile0
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&& tile1_next == tile1
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&& light_next == light)
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{
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next_is_different = false;
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}
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}
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continuous_tiles_count++;
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// This is set to true if the texture doesn't allow more tiling
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bool end_of_texture = false;
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/*
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If there is no texture, it can be tiled infinitely.
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If tiled==0, it means the texture can be tiled infinitely.
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Otherwise check tiled agains continuous_tiles_count.
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This check has to be made for both tiles, because this is
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a bit hackish and we know which one we're using only when
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the decision to make the faces is made.
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*/
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if(tile0.texture.atlas != NULL && tile0.texture.tiled != 0)
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{
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if(tile0.texture.tiled <= continuous_tiles_count)
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end_of_texture = true;
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}
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if(tile1.texture.atlas != NULL && tile1.texture.tiled != 0)
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{
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if(tile1.texture.tiled <= continuous_tiles_count)
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end_of_texture = true;
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}
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//end_of_texture = true; //DEBUG
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if(next_is_different || end_of_texture)
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{
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/*
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Create a face if there should be one
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*/
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//u8 mf = face_contents(tile0, tile1);
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// This is hackish
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u8 content0 = getNodeContent(p, n0, temp_mods);
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u8 content1 = getNodeContent(p + face_dir, n1, temp_mods);
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u8 mf = face_contents(content0, content1);
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if(mf != 0)
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{
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// Floating point conversion of the position vector
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v3f pf(p.X, p.Y, p.Z);
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// Center point of face (kind of)
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v3f sp = pf - ((f32)continuous_tiles_count / 2. - 0.5) * translate_dir_f;
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v3f scale(1,1,1);
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if(translate_dir.X != 0){
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scale.X = continuous_tiles_count;
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}
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if(translate_dir.Y != 0){
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scale.Y = continuous_tiles_count;
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}
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if(translate_dir.Z != 0){
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scale.Z = continuous_tiles_count;
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}
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//FastFace *f;
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// If node at sp (tile0) is more solid
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if(mf == 1)
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{
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makeFastFace(tile0, decode_light(light),
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sp, face_dir, scale,
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posRelative_f, dest);
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}
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// If node at sp is less solid (mf == 2)
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else
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{
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makeFastFace(tile1, decode_light(light),
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sp+face_dir_f, -face_dir, scale,
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posRelative_f, dest);
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}
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//dest.push_back(f);
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}
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continuous_tiles_count = 0;
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n0 = n0_next;
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n1 = n1_next;
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tile0 = tile0_next;
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tile1 = tile1_next;
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light = light_next;
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|
}
|
|
|
|
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
|
|
|
|
/*
|
|
Avoid interlocks by copying m_temp_mods
|
|
*/
|
|
NodeModMap temp_mods;
|
|
{
|
|
JMutexAutoLock lock(m_temp_mods_mutex);
|
|
m_temp_mods.copy(temp_mods);
|
|
}
|
|
|
|
/*
|
|
Some settings
|
|
*/
|
|
bool new_style_water = g_settings.getBool("new_style_water");
|
|
bool new_style_leaves = g_settings.getBool("new_style_leaves");
|
|
|
|
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 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,
|
|
temp_mods);
|
|
}
|
|
}
|
|
/*
|
|
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,
|
|
temp_mods);
|
|
}
|
|
}
|
|
/*
|
|
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,
|
|
temp_mods);
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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.Lighting = false;
|
|
//material.BackfaceCulling = false;
|
|
material.setFlag(video::EMF_BILINEAR_FILTER, false);
|
|
//material.setFlag(video::EMF_ANTI_ALIASING, video::EAAM_OFF);
|
|
//material.setFlag(video::EMF_ANTI_ALIASING, video::EAAM_SIMPLE);
|
|
material.setFlag(video::EMF_FOG_ENABLE, true);
|
|
|
|
for(u32 i=0; i<fastfaces_new.size(); i++)
|
|
{
|
|
FastFace &f = fastfaces_new[i];
|
|
|
|
const u16 indices[] = {0,1,2,2,3,0};
|
|
|
|
//video::ITexture *texture = g_irrlicht->getTexture(f.tile.spec);
|
|
video::ITexture *texture = f.tile.texture.atlas;
|
|
if(texture == NULL)
|
|
continue;
|
|
|
|
material.setTexture(0, texture);
|
|
|
|
f.tile.applyMaterialOptions(material);
|
|
|
|
collector.append(material, f.vertices, 4, indices, 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;
|
|
//TODO
|
|
//material_water1.setTexture(0, g_irrlicht->getTexture("water.png"));
|
|
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;
|
|
//TODO
|
|
//material_leaves1.setTexture(0, g_irrlicht->getTexture("leaves.png"));
|
|
AtlasPointer pa_leaves1 = g_texturesource->getTexture(
|
|
g_texturesource->getTextureId("leaves.png"));
|
|
material_leaves1.setTexture(0, pa_leaves1.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 = getNodeRef(x,y,z);
|
|
|
|
/*
|
|
Add torches to mesh
|
|
*/
|
|
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_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);
|
|
}
|
|
/*
|
|
Add flowing water to mesh
|
|
*/
|
|
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){}
|
|
|
|
u8 l = decode_light(n.getLightBlend(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;
|
|
try{
|
|
// Check neighbor
|
|
v3s16 p2 = p + neighbor_dirs[i];
|
|
MapNode n2 = getNodeParent(p2);
|
|
|
|
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 = getNodeParent(p2);
|
|
if(n2.d == CONTENT_WATERSOURCE || n2.d == CONTENT_WATER)
|
|
flags |= neighborflag_top_is_water;
|
|
}
|
|
catch(InvalidPositionException &e){}
|
|
|
|
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++)
|
|
{
|
|
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)
|
|
{
|
|
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];
|
|
|
|
/*
|
|
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;
|
|
|
|
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 + getPosRelative());
|
|
}
|
|
|
|
u16 indices[] = {0,1,2,2,3,0};
|
|
// Add to mesh collector
|
|
collector.append(material_water1, 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),*/
|
|
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 + getPosRelative());
|
|
}
|
|
|
|
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;
|
|
try{
|
|
MapNode n = getNodeParent(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;
|
|
}catch(InvalidPositionException &e){}
|
|
|
|
/*if(top_is_water == true)
|
|
continue;*/
|
|
if(top_is_air == false)
|
|
continue;
|
|
|
|
u8 l = decode_light(n.getLightBlend(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 + getPosRelative());
|
|
}
|
|
|
|
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(daynight_ratio));*/
|
|
u8 l = decode_light(undiminish_light(n.getLightBlend(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 + getPosRelative());
|
|
}
|
|
|
|
u16 indices[] = {0,1,2,2,3,0};
|
|
// Add to mesh collector
|
|
collector.append(material_leaves1, 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
|
|
*/
|
|
}
|
|
|
|
/*
|
|
Replace the mesh
|
|
*/
|
|
|
|
mesh_mutex.Lock();
|
|
|
|
//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)
|
|
{
|
|
// Remove hardware buffers of meshbuffers of mesh
|
|
// NOTE: No way, this runs in a different thread and everything
|
|
/*u32 c = mesh_old->getMeshBufferCount();
|
|
for(u32 i=0; i<c; i++)
|
|
{
|
|
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;
|
|
}
|
|
|
|
/*void MapBlock::updateMeshes(s32 first_i)
|
|
{
|
|
assert(first_i >= 0 && first_i <= DAYNIGHT_CACHE_COUNT);
|
|
updateMesh(first_i);
|
|
for(s32 i=0; i<DAYNIGHT_CACHE_COUNT; i++)
|
|
{
|
|
if(i == first_i)
|
|
continue;
|
|
updateMesh(i);
|
|
}
|
|
}*/
|
|
|
|
#endif // !SERVER
|
|
|
|
/*
|
|
Propagates sunlight down through the block.
|
|
Doesn't modify nodes that are not affected by sunlight.
|
|
|
|
Returns false if sunlight at bottom block is invalid
|
|
Returns true if bottom block doesn't exist.
|
|
|
|
If there is a block above, continues from it.
|
|
If there is no block above, assumes there is sunlight, unless
|
|
is_underground is set or highest node is water.
|
|
|
|
At the moment, all sunlighted nodes are added to light_sources.
|
|
- 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 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;
|
|
|
|
v3s16 pos_relative = getPosRelative();
|
|
|
|
for(s16 x=0; x<MAP_BLOCKSIZE; x++)
|
|
{
|
|
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(LIGHTBANK_DAY) != LIGHT_SUN)
|
|
{
|
|
no_sunlight = true;
|
|
}
|
|
}
|
|
catch(InvalidPositionException &e)
|
|
{
|
|
no_top_block = true;
|
|
|
|
// NOTE: This makes over-ground roofed places sunlighted
|
|
// Assume sunlight, unless is_underground==true
|
|
if(is_underground)
|
|
{
|
|
no_sunlight = true;
|
|
}
|
|
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
|
|
<<", is_underground="<<is_underground
|
|
<<", no_sunlight="<<no_sunlight
|
|
<<std::endl;*/
|
|
|
|
s16 y = MAP_BLOCKSIZE-1;
|
|
|
|
// 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--)
|
|
{
|
|
v3s16 pos(x, y, z);
|
|
MapNode &n = getNodeRef(pos);
|
|
|
|
if(current_light == 0)
|
|
{
|
|
// 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)
|
|
{
|
|
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);
|
|
}
|
|
|
|
u8 old_light = n.getLight(LIGHTBANK_DAY);
|
|
|
|
if(current_light > old_light || remove_light)
|
|
{
|
|
n.setLight(LIGHTBANK_DAY, current_light);
|
|
}
|
|
|
|
if(diminish_light(current_light) != 0)
|
|
{
|
|
light_sources.insert(pos_relative + pos, true);
|
|
}
|
|
|
|
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:
|
|
|
|
Check if the node below the block has proper sunlight at top.
|
|
If not, the block below is invalid.
|
|
|
|
Ignore non-transparent nodes as they always have no light
|
|
*/
|
|
try
|
|
{
|
|
if(block_below_is_valid)
|
|
{
|
|
MapNode n = getNodeParent(v3s16(x, -1, z));
|
|
if(n.light_propagates())
|
|
{
|
|
if(n.getLight(LIGHTBANK_DAY) == LIGHT_SUN
|
|
&& sunlight_should_go_down == false)
|
|
block_below_is_valid = false;
|
|
else if(n.getLight(LIGHTBANK_DAY) != LIGHT_SUN
|
|
&& sunlight_should_go_down == true)
|
|
block_below_is_valid = false;
|
|
}
|
|
}//if
|
|
}//try
|
|
catch(InvalidPositionException &e)
|
|
{
|
|
/*std::cout<<"InvalidBlockException for bottom block node"
|
|
<<std::endl;*/
|
|
// Just no block below, no need to panic.
|
|
}
|
|
}
|
|
}
|
|
|
|
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);
|
|
|
|
/*
|
|
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));
|
|
addObject(obj);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
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
|
|
*/
|
|
|
|
void MapBlock::serialize(std::ostream &os, u8 version)
|
|
{
|
|
if(!ser_ver_supported(version))
|
|
throw VersionMismatchException("ERROR: MapBlock format not supported");
|
|
|
|
if(data == NULL)
|
|
{
|
|
throw SerializationError("ERROR: Not writing dummy block.");
|
|
}
|
|
|
|
// These have no compression
|
|
if(version <= 3 || version == 5 || version == 6)
|
|
{
|
|
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
|
|
|
|
u32 buflen = 1 + nodecount * MapNode::serializedLength(version);
|
|
SharedBuffer<u8> dest(buflen);
|
|
|
|
dest[0] = is_underground;
|
|
for(u32 i=0; i<nodecount; i++)
|
|
{
|
|
u32 s = 1 + i * MapNode::serializedLength(version);
|
|
data[i].serialize(&dest[s], version);
|
|
}
|
|
|
|
os.write((char*)*dest, dest.getSize());
|
|
}
|
|
else if(version <= 10)
|
|
{
|
|
/*
|
|
With compression.
|
|
Compress the materials and the params separately.
|
|
*/
|
|
|
|
// First byte
|
|
os.write((char*)&is_underground, 1);
|
|
|
|
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
|
|
|
|
// Get and compress materials
|
|
SharedBuffer<u8> materialdata(nodecount);
|
|
for(u32 i=0; i<nodecount; i++)
|
|
{
|
|
materialdata[i] = data[i].d;
|
|
}
|
|
compress(materialdata, os, version);
|
|
|
|
// 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++)
|
|
{
|
|
databuf[i+nodecount*2] = data[i].param2;
|
|
}
|
|
|
|
/*
|
|
Compress data to output stream
|
|
*/
|
|
|
|
compress(databuf, os, version);
|
|
}
|
|
}
|
|
|
|
void MapBlock::deSerialize(std::istream &is, u8 version)
|
|
{
|
|
if(!ser_ver_supported(version))
|
|
throw VersionMismatchException("ERROR: MapBlock format not supported");
|
|
|
|
// These have no compression
|
|
if(version <= 3 || version == 5 || version == 6)
|
|
{
|
|
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
|
|
char tmp;
|
|
is.read(&tmp, 1);
|
|
if(is.gcount() != 1)
|
|
throw SerializationError
|
|
("MapBlock::deSerialize: no enough input data");
|
|
is_underground = tmp;
|
|
for(u32 i=0; i<nodecount; i++)
|
|
{
|
|
s32 len = MapNode::serializedLength(version);
|
|
SharedBuffer<u8> d(len);
|
|
is.read((char*)*d, len);
|
|
if(is.gcount() != len)
|
|
throw SerializationError
|
|
("MapBlock::deSerialize: no enough input data");
|
|
data[i].deSerialize(*d, version);
|
|
}
|
|
}
|
|
else if(version <= 10)
|
|
{
|
|
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
|
|
|
|
u8 t8;
|
|
is.read((char*)&t8, 1);
|
|
is_underground = t8;
|
|
|
|
{
|
|
// Uncompress and set material 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].d = s[i];
|
|
}
|
|
}
|
|
{
|
|
// Uncompress and set param 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].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];
|
|
}
|
|
}
|
|
|
|
/*
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//END
|