/*
Calculate non-smooth lighting at interior of node.
Single light bank.
*/
static u8 getInteriorLight(enum LightBank bank, MapNode n, s32 increment,
INodeDefManager *ndef)
{
u8 light = n.getLight(bank, ndef);
while(increment > 0)
{
light = undiminish_light(light);
--increment;
}
while(increment < 0)
{
light = diminish_light(light);
++increment;
}
return decode_light(light);
}
/*
Calculate non-smooth lighting at interior of node.
Single light bank.
*/
static u8 getInteriorLight(enum LightBank bank, MapNode n, s32 increment,
MeshMakeData *data)
{
INodeDefManager *ndef = data->m_gamedef->ndef();
u8 light = n.getLight(bank, ndef);
while(increment > 0)
{
light = undiminish_light(light);
--increment;
}
while(increment < 0)
{
light = diminish_light(light);
++increment;
}
return decode_light(light);
}
/*
Lights neighbors of from_nodes, collects all them and then
goes on recursively.
*/
void VoxelManipulator::spreadLight(enum LightBank bank,
std::set<v3s16> & from_nodes, INodeDefManager *nodemgr)
{
const v3s16 dirs[6] = {
v3s16(0,0,1), // back
v3s16(0,1,0), // top
v3s16(1,0,0), // right
v3s16(0,0,-1), // front
v3s16(0,-1,0), // bottom
v3s16(-1,0,0), // left
};
if(from_nodes.empty())
return;
std::set<v3s16> lighted_nodes;
for(std::set<v3s16>::iterator j = from_nodes.begin();
j != from_nodes.end(); ++j)
{
v3s16 pos = *j;
VoxelArea voxel_area(pos - v3s16(1,1,1), pos + v3s16(1,1,1));
addArea(voxel_area);
u32 i = m_area.index(pos);
if(m_flags[i] & VOXELFLAG_NO_DATA)
continue;
MapNode &n = m_data[i];
u8 oldlight = n.getLight(bank, nodemgr);
u8 newlight = diminish_light(oldlight);
// Loop through 6 neighbors
for(u16 i=0; i<6; i++)
{
// Get the position of the neighbor node
v3s16 n2pos = pos + dirs[i];
try
{
u32 n2i = m_area.index(n2pos);
if(m_flags[n2i] & VOXELFLAG_NO_DATA)
continue;
MapNode &n2 = m_data[n2i];
u8 light2 = n2.getLight(bank, nodemgr);
/*
If the neighbor is brighter than the current node,
add to list (it will light up this node on its turn)
*/
if(light2 > undiminish_light(oldlight))
{
lighted_nodes.insert(n2pos);
}
/*
If the neighbor is dimmer than how much light this node
would spread on it, add to list
*/
if(light2 < newlight)
{
if(nodemgr->get(n2).light_propagates)
{
n2.setLight(bank, newlight, nodemgr);
lighted_nodes.insert(n2pos);
}
}
}
catch(InvalidPositionException &e)
{
continue;
}
}
}
/*dstream<<"spreadLight(): Changed block "
<<blockchangecount<<" times"
<<" for "<<from_nodes.size()<<" nodes"
<<std::endl;*/
if(!lighted_nodes.empty())
spreadLight(bank, lighted_nodes, nodemgr);
}
void VoxelManipulator::spreadLight(enum LightBank bank, v3s16 p,
INodeDefManager *nodemgr)
{
const v3s16 dirs[6] = {
v3s16(0,0,1), // back
v3s16(0,1,0), // top
v3s16(1,0,0), // right
v3s16(0,0,-1), // front
v3s16(0,-1,0), // bottom
v3s16(-1,0,0), // left
};
VoxelArea voxel_area(p - v3s16(1,1,1), p + v3s16(1,1,1));
addArea(voxel_area);
u32 i = m_area.index(p);
if(m_flags[i] & VOXELFLAG_NO_DATA)
return;
MapNode &n = m_data[i];
u8 oldlight = n.getLight(bank, nodemgr);
u8 newlight = diminish_light(oldlight);
// Loop through 6 neighbors
for(u16 i=0; i<6; i++)
{
// Get the position of the neighbor node
v3s16 n2pos = p + dirs[i];
u32 n2i = m_area.index(n2pos);
if(m_flags[n2i] & VOXELFLAG_NO_DATA)
continue;
MapNode &n2 = m_data[n2i];
u8 light2 = n2.getLight(bank, nodemgr);
/*
If the neighbor is brighter than the current node,
add to list (it will light up this node on its turn)
*/
if(light2 > undiminish_light(oldlight))
{
spreadLight(bank, n2pos, nodemgr);
}
/*
If the neighbor is dimmer than how much light this node
would spread on it, add to list
*/
if(light2 < newlight)
{
if(nodemgr->get(n2).light_propagates)
{
n2.setLight(bank, newlight, nodemgr);
spreadLight(bank, n2pos, nodemgr);
}
}
}
}
void mapblock_mesh_generate_special(MeshMakeData *data,
MeshCollector &collector)
{
// 0ms
//TimeTaker timer("mapblock_mesh_generate_special()");
/*
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");
bool invisible_stone = g_settings.getBool("invisible_stone");
float node_water_level = 1.0;
if(new_style_water)
node_water_level = 0.85;
v3s16 blockpos_nodes = data->m_blockpos*MAP_BLOCKSIZE;
// 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);
// Wood material
video::SMaterial material_wood;
material_wood.setFlag(video::EMF_LIGHTING, false);
material_wood.setFlag(video::EMF_BILINEAR_FILTER, false);
material_wood.setFlag(video::EMF_FOG_ENABLE, true);
material_wood.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
AtlasPointer pa_wood = g_texturesource->getTexture(
g_texturesource->getTextureId("wood.png"));
material_wood.setTexture(0, pa_wood.atlas);
// General ground material for special output
// Texture is modified just before usage
video::SMaterial material_general;
material_general.setFlag(video::EMF_LIGHTING, false);
material_general.setFlag(video::EMF_BILINEAR_FILTER, false);
material_general.setFlag(video::EMF_FOG_ENABLE, true);
material_general.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
// Papyrus material
video::SMaterial material_papyrus;
material_papyrus.setFlag(video::EMF_LIGHTING, false);
material_papyrus.setFlag(video::EMF_BILINEAR_FILTER, false);
material_papyrus.setFlag(video::EMF_FOG_ENABLE, true);
material_papyrus.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
AtlasPointer pa_papyrus = g_texturesource->getTexture(
g_texturesource->getTextureId("papyrus.png"));
material_papyrus.setTexture(0, pa_papyrus.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
*/
else 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++)
{
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 + blockpos_nodes, BS);
}
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 + 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 fence
*/
else if(n.d == CONTENT_FENCE)
{
u8 l = decode_light(undiminish_light(n.getLightBlend(data->m_daynight_ratio)));
video::SColor c(255,l,l,l);
const f32 post_rad=(f32)BS/10;
const f32 bar_rad=(f32)BS/20;
const f32 bar_len=(f32)(BS/2)-post_rad;
// The post - always present
v3f pos = intToFloat(p+blockpos_nodes, BS);
f32 postuv[24]={
0.4,0.4,0.6,0.6,
0.35,0,0.65,1,
0.35,0,0.65,1,
0.35,0,0.65,1,
0.35,0,0.65,1,
0.4,0.4,0.6,0.6};
makeCuboid(material_wood, &collector,
&pa_wood, c, pos,
post_rad,BS/2,post_rad, postuv);
// Now a section of fence, +X, if there's a post there
v3s16 p2 = p;
p2.X++;
MapNode n2 = data->m_vmanip.getNodeNoEx(blockpos_nodes + p2);
if(n2.d == CONTENT_FENCE)
{
pos = intToFloat(p+blockpos_nodes, BS);
pos.X += BS/2;
pos.Y += BS/4;
f32 xrailuv[24]={
0,0.4,1,0.6,
0,0.4,1,0.6,
0,0.4,1,0.6,
0,0.4,1,0.6,
0,0.4,1,0.6,
0,0.4,1,0.6};
makeCuboid(material_wood, &collector,
&pa_wood, c, pos,
bar_len,bar_rad,bar_rad, xrailuv);
pos.Y -= BS/2;
makeCuboid(material_wood, &collector,
&pa_wood, c, pos,
bar_len,bar_rad,bar_rad, xrailuv);
}
// Now a section of fence, +Z, if there's a post there
p2 = p;
p2.Z++;
n2 = data->m_vmanip.getNodeNoEx(blockpos_nodes + p2);
if(n2.d == CONTENT_FENCE)
{
pos = intToFloat(p+blockpos_nodes, BS);
pos.Z += BS/2;
pos.Y += BS/4;
f32 zrailuv[24]={
0,0.4,1,0.6,
0,0.4,1,0.6,
0,0.4,1,0.6,
0,0.4,1,0.6,
0,0.4,1,0.6,
0,0.4,1,0.6};
makeCuboid(material_wood, &collector,
&pa_wood, c, pos,
bar_rad,bar_rad,bar_len, zrailuv);
pos.Y -= BS/2;
makeCuboid(material_wood, &collector,
&pa_wood, c, pos,
bar_rad,bar_rad,bar_len, zrailuv);
}
}
#if 1
/*
Add stones with minerals if stone is invisible
*/
else if(n.d == CONTENT_STONE && invisible_stone && n.getMineral() != MINERAL_NONE)
{
for(u32 j=0; j<6; j++)
{
// NOTE: Hopefully g_6dirs[j] is the right direction...
v3s16 dir = g_6dirs[j];
/*u8 l = 0;
MapNode n2 = data->m_vmanip.getNodeNoEx(blockpos_nodes + dir);
if(content_features(n2.d).param_type == CPT_LIGHT)
l = decode_light(n2.getLightBlend(data->m_daynight_ratio));
else
l = 255;*/
u8 l = 255;
video::SColor c(255,l,l,l);
// Get the right texture
TileSpec ts = n.getTile(dir);
AtlasPointer ap = ts.texture;
material_general.setTexture(0, ap.atlas);
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,
ap.x0(), ap.y1()),
video::S3DVertex(BS/2,-BS/2,BS/2, 0,0,0, c,
ap.x1(), ap.y1()),
video::S3DVertex(BS/2,BS/2,BS/2, 0,0,0, c,
ap.x1(), ap.y0()),
video::S3DVertex(-BS/2,BS/2,BS/2, 0,0,0, c,
ap.x0(), ap.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 += intToFloat(p + blockpos_nodes, BS);
}
u16 indices[] = {0,1,2,2,3,0};
// Add to mesh collector
collector.append(material_general, vertices, 4, indices, 6);
}
}
#endif
else if(n.d == CONTENT_PAPYRUS)
{
u8 l = decode_light(undiminish_light(n.getLightBlend(data->m_daynight_ratio)));
video::SColor c(255,l,l,l);
for(u32 j=0; j<4; j++)
{
video::S3DVertex vertices[4] =
{
video::S3DVertex(-BS/2,-BS/2,0, 0,0,0, c,
pa_papyrus.x0(), pa_papyrus.y1()),
video::S3DVertex(BS/2,-BS/2,0, 0,0,0, c,
pa_papyrus.x1(), pa_papyrus.y1()),
video::S3DVertex(BS/2,BS/2,0, 0,0,0, c,
pa_papyrus.x1(), pa_papyrus.y0()),
video::S3DVertex(-BS/2,BS/2,0, 0,0,0, c,
pa_papyrus.x0(), pa_papyrus.y0()),
};
if(j == 0)
{
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(45);
}
else if(j == 1)
{
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(-45);
}
else if(j == 2)
{
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(135);
}
else if(j == 3)
{
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(-135);
}
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_papyrus, vertices, 4, indices, 6);
}
}
else if(n.d == CONTENT_RAIL)
{
u8 l = decode_light(n.getLightBlend(data->m_daynight_ratio));
video::SColor c(255,l,l,l);
bool is_rail_x [] = { false, false }; /* x-1, x+1 */
bool is_rail_z [] = { false, false }; /* z-1, z+1 */
MapNode n_minus_x = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x-1,y,z));
MapNode n_plus_x = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x+1,y,z));
MapNode n_minus_z = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x,y,z-1));
MapNode n_plus_z = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x,y,z+1));
if(n_minus_x.d == CONTENT_RAIL)
is_rail_x[0] = true;
if(n_plus_x.d == CONTENT_RAIL)
is_rail_x[1] = true;
if(n_minus_z.d == CONTENT_RAIL)
is_rail_z[0] = true;
if(n_plus_z.d == CONTENT_RAIL)
is_rail_z[1] = true;
float d = (float)BS/16;
video::S3DVertex vertices[4] =
{
video::S3DVertex(-BS/2,-BS/2+d,-BS/2, 0,0,0, c,
0, 1),
video::S3DVertex(BS/2,-BS/2+d,-BS/2, 0,0,0, c,
1, 1),
video::S3DVertex(BS/2,-BS/2+d,BS/2, 0,0,0, c,
1, 0),
video::S3DVertex(-BS/2,-BS/2+d,BS/2, 0,0,0, c,
0, 0),
};
video::SMaterial material_rail;
material_rail.setFlag(video::EMF_LIGHTING, false);
material_rail.setFlag(video::EMF_BACK_FACE_CULLING, false);
material_rail.setFlag(video::EMF_BILINEAR_FILTER, false);
material_rail.setFlag(video::EMF_FOG_ENABLE, true);
material_rail.MaterialType
= video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
int adjacencies = is_rail_x[0] + is_rail_x[1] + is_rail_z[0] + is_rail_z[1];
// Assign textures
if(adjacencies < 2)
material_rail.setTexture(0, g_texturesource->getTextureRaw("rail.png"));
else if(adjacencies == 2)
{
if((is_rail_x[0] && is_rail_x[1]) || (is_rail_z[0] && is_rail_z[1]))
material_rail.setTexture(0, g_texturesource->getTextureRaw("rail.png"));
else
material_rail.setTexture(0, g_texturesource->getTextureRaw("rail_curved.png"));
}
else if(adjacencies == 3)
material_rail.setTexture(0, g_texturesource->getTextureRaw("rail_t_junction.png"));
else if(adjacencies == 4)
material_rail.setTexture(0, g_texturesource->getTextureRaw("rail_crossing.png"));
// Rotate textures
int angle = 0;
if(adjacencies == 1)
{
if(is_rail_x[0] || is_rail_x[1])
angle = 90;
}
else if(adjacencies == 2)
{
if(is_rail_x[0] && is_rail_x[1])
angle = 90;
else if(is_rail_x[0] && is_rail_z[0])
angle = 270;
else if(is_rail_x[0] && is_rail_z[1])
angle = 180;
else if(is_rail_x[1] && is_rail_z[1])
angle = 90;
}
else if(adjacencies == 3)
{
if(!is_rail_x[0])
angle=0;
if(!is_rail_x[1])
angle=180;
if(!is_rail_z[0])
angle=90;
if(!is_rail_z[1])
angle=270;
}
if(angle != 0) {
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(angle);
}
for(s32 i=0; i<4; i++)
{
vertices[i].Pos += intToFloat(p + blockpos_nodes, BS);
}
u16 indices[] = {0,1,2,2,3,0};
collector.append(material_rail, vertices, 4, indices, 6);
}
}
}
void mapblock_mesh_generate_special(MeshMakeData *data,
MeshCollector &collector, IGameDef *gamedef)
{
INodeDefManager *nodedef = gamedef->ndef();
// 0ms
//TimeTaker timer("mapblock_mesh_generate_special()");
/*
Some settings
*/
bool new_style_water = g_settings->getBool("new_style_water");
float node_liquid_level = 1.0;
if(new_style_water)
node_liquid_level = 0.85;
v3s16 blockpos_nodes = data->m_blockpos*MAP_BLOCKSIZE;
/*// General ground material for special output
// Texture is modified just before usage
video::SMaterial material_general;
material_general.setFlag(video::EMF_LIGHTING, false);
material_general.setFlag(video::EMF_BILINEAR_FILTER, false);
material_general.setFlag(video::EMF_FOG_ENABLE, true);
material_general.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;*/
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);
const ContentFeatures &f = nodedef->get(n);
// Only solidness=0 stuff is drawn here
if(f.solidness != 0)
continue;
switch(f.drawtype){
default:
infostream<<"Got "<<f.drawtype<<std::endl;
assert(0);
break;
case NDT_AIRLIKE:
break;
case NDT_LIQUID:
{
/*
Add water sources to mesh if using new style
*/
assert(nodedef->get(n).special_materials[0]);
//assert(nodedef->get(n).special_materials[1]);
assert(nodedef->get(n).special_aps[0]);
video::SMaterial &liquid_material =
*nodedef->get(n).special_materials[0];
/*video::SMaterial &liquid_material_bfculled =
*nodedef->get(n).special_materials[1];*/
AtlasPointer &pa_liquid1 =
*nodedef->get(n).special_aps[0];
bool top_is_air = false;
MapNode n = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x,y+1,z));
if(n.getContent() == CONTENT_AIR)
top_is_air = true;
if(top_is_air == false)
continue;
u8 l = decode_light(n.getLightBlend(data->m_daynight_ratio, nodedef));
video::SColor c = MapBlock_LightColor(
nodedef->get(n).alpha, l);
video::S3DVertex vertices[4] =
{
video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c,
pa_liquid1.x0(), pa_liquid1.y1()),
video::S3DVertex(BS/2,0,BS/2, 0,0,0, c,
pa_liquid1.x1(), pa_liquid1.y1()),
video::S3DVertex(BS/2,0,-BS/2, 0,0,0, c,
pa_liquid1.x1(), pa_liquid1.y0()),
video::S3DVertex(-BS/2,0,-BS/2, 0,0,0, c,
pa_liquid1.x0(), pa_liquid1.y0()),
};
for(s32 i=0; i<4; i++)
{
vertices[i].Pos.Y += (-0.5+node_liquid_level)*BS;
vertices[i].Pos += intToFloat(p + blockpos_nodes, BS);
}
u16 indices[] = {0,1,2,2,3,0};
// Add to mesh collector
collector.append(liquid_material, vertices, 4, indices, 6);
break;}
case NDT_FLOWINGLIQUID:
{
/*
Add flowing liquid to mesh
*/
assert(nodedef->get(n).special_materials[0]);
assert(nodedef->get(n).special_materials[1]);
assert(nodedef->get(n).special_aps[0]);
video::SMaterial &liquid_material =
*nodedef->get(n).special_materials[0];
video::SMaterial &liquid_material_bfculled =
*nodedef->get(n).special_materials[1];
AtlasPointer &pa_liquid1 =
*nodedef->get(n).special_aps[0];
bool top_is_same_liquid = false;
MapNode ntop = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x,y+1,z));
content_t c_flowing = nodedef->getId(nodedef->get(n).liquid_alternative_flowing);
content_t c_source = nodedef->getId(nodedef->get(n).liquid_alternative_source);
if(ntop.getContent() == c_flowing || ntop.getContent() == c_source)
top_is_same_liquid = true;
u8 l = 0;
// Use the light of the node on top if possible
if(nodedef->get(ntop).param_type == CPT_LIGHT)
l = decode_light(ntop.getLightBlend(data->m_daynight_ratio, nodedef));
// Otherwise use the light of this node (the liquid)
else
l = decode_light(n.getLightBlend(data->m_daynight_ratio, nodedef));
video::SColor c = MapBlock_LightColor(
nodedef->get(n).alpha, l);
// Neighbor liquid levels (key = relative position)
// Includes current node
core::map<v3s16, f32> neighbor_levels;
core::map<v3s16, content_t> neighbor_contents;
core::map<v3s16, u8> neighbor_flags;
const u8 neighborflag_top_is_same_liquid = 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++)
{
content_t 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.getContent() != CONTENT_IGNORE)
{
content = n2.getContent();
if(n2.getContent() == c_source)
level = (-0.5+node_liquid_level) * BS;
else if(n2.getContent() == c_flowing)
level = (-0.5 + ((float)(n2.param2&LIQUID_LEVEL_MASK)
+ 0.5) / 8.0 * node_liquid_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.getContent() == c_source ||
n2.getContent() == c_flowing)
flags |= neighborflag_top_is_same_liquid;
}
neighbor_levels.insert(neighbor_dirs[i], level);
neighbor_contents.insert(neighbor_dirs[i], content);
neighbor_flags.insert(neighbor_dirs[i], flags);
}
// Corner heights (average between four liquids)
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;
u32 air_count = 0;
for(u32 j=0; j<4; j++)
{
v3s16 neighbordir = cornerdir - halfdirs[j];
content_t content = neighbor_contents[neighbordir];
// If top is liquid, draw starting from top of node
if(neighbor_flags[neighbordir] &
neighborflag_top_is_same_liquid)
{
cornerlevel = 0.5*BS;
valid_count = 1;
break;
}
// Source is always the same height
else if(content == c_source)
{
cornerlevel = (-0.5+node_liquid_level)*BS;
valid_count = 1;
break;
}
// Flowing liquid has level information
else if(content == c_flowing)
{
cornerlevel += neighbor_levels[neighbordir];
valid_count++;
}
else if(content == CONTENT_AIR)
{
air_count++;
}
}
if(air_count >= 2)
cornerlevel = -0.5*BS;
else 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 liquid and neighbor's topside
is liquid, don't draw side face
*/
if(top_is_same_liquid &&
neighbor_flags[dir] & neighborflag_top_is_same_liquid)
continue;
content_t neighbor_content = neighbor_contents[dir];
const ContentFeatures &n_feat = nodedef->get(neighbor_content);
// Don't draw face if neighbor is blocking the view
if(n_feat.solidness == 2)
continue;
bool neighbor_is_same_liquid = (neighbor_content == c_source
|| neighbor_content == c_flowing);
// Don't draw any faces if neighbor same is liquid and top is
// same liquid
if(neighbor_is_same_liquid == true
&& top_is_same_liquid == false)
continue;
// Use backface culled material if neighbor doesn't have a
// solidness of 0
video::SMaterial *current_material = &liquid_material;
if(n_feat.solidness != 0 || n_feat.visual_solidness != 0)
current_material = &liquid_material_bfculled;
video::S3DVertex vertices[4] =
{
video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c,
pa_liquid1.x0(), pa_liquid1.y1()),
video::S3DVertex(BS/2,0,BS/2, 0,0,0, c,
pa_liquid1.x1(), pa_liquid1.y1()),
video::S3DVertex(BS/2,0,BS/2, 0,0,0, c,
pa_liquid1.x1(), pa_liquid1.y0()),
video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c,
pa_liquid1.x0(), pa_liquid1.y0()),
};
/*
If our topside is liquid, set upper border of face
at upper border of node
*/
if(top_is_same_liquid)
{
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 liquid, lower border of face is corner
liquid levels
*/
if(neighbor_is_same_liquid)
{
vertices[0].Pos.Y = corner_levels[side_corners[i][1]];
vertices[1].Pos.Y = corner_levels[side_corners[i][0]];
}
/*
If neighbor is not liquid, 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);
// Do this to not cause glitches when two liquids are
// side-by-side
/*if(neighbor_is_same_liquid == false){
vertices[j].Pos.X *= 0.98;
vertices[j].Pos.Z *= 0.98;
}*/
vertices[j].Pos += intToFloat(p + blockpos_nodes, BS);
}
u16 indices[] = {0,1,2,2,3,0};
// Add to mesh collector
collector.append(*current_material, vertices, 4, indices, 6);
}
/*
Generate top side, if appropriate
*/
if(top_is_same_liquid == false)
{
video::S3DVertex vertices[4] =
{
video::S3DVertex(-BS/2,0,BS/2, 0,0,0, c,
pa_liquid1.x0(), pa_liquid1.y1()),
video::S3DVertex(BS/2,0,BS/2, 0,0,0, c,
pa_liquid1.x1(), pa_liquid1.y1()),
video::S3DVertex(BS/2,0,-BS/2, 0,0,0, c,
pa_liquid1.x1(), pa_liquid1.y0()),
video::S3DVertex(-BS/2,0,-BS/2, 0,0,0, c,
pa_liquid1.x0(), pa_liquid1.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 += liquid_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(liquid_material, vertices, 4, indices, 6);
}
break;}
case NDT_GLASSLIKE:
{
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 = f.tiles[0].texture;
material_glass.setTexture(0, pa_glass.atlas);
u8 l = decode_light(undiminish_light(n.getLightBlend(data->m_daynight_ratio, nodedef)));
video::SColor c = MapBlock_LightColor(255, l);
for(u32 j=0; j<6; j++)
{
// Check this neighbor
v3s16 n2p = blockpos_nodes + p + g_6dirs[j];
MapNode n2 = data->m_vmanip.getNodeNoEx(n2p);
// Don't make face if neighbor is of same type
if(n2.getContent() == n.getContent())
continue;
// The face at Z+
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()),
};
// Rotations in the g_6dirs format
if(j == 0) // Z+
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(0);
else if(j == 1) // Y+
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateYZBy(-90);
else if(j == 2) // X+
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(-90);
else if(j == 3) // Z-
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(180);
else if(j == 4) // Y-
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateYZBy(90);
else if(j == 5) // X-
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(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);
}
break;}
case NDT_ALLFACES:
{
video::SMaterial material_leaves1;
material_leaves1.setFlag(video::EMF_LIGHTING, 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 = f.tiles[0].texture;
material_leaves1.setTexture(0, pa_leaves1.atlas);
u8 l = decode_light(undiminish_light(n.getLightBlend(data->m_daynight_ratio, nodedef)));
video::SColor c = MapBlock_LightColor(255, 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_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()),
};
// Rotations in the g_6dirs format
if(j == 0) // Z+
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(0);
else if(j == 1) // Y+
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateYZBy(-90);
else if(j == 2) // X+
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(-90);
else if(j == 3) // Z-
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(180);
else if(j == 4) // Y-
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateYZBy(90);
else if(j == 5) // X-
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(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);
}
break;}
case NDT_ALLFACES_OPTIONAL:
// This is always pre-converted to something else
assert(0);
break;
case NDT_TORCHLIKE:
{
v3s16 dir = unpackDir(n.param2);
AtlasPointer ap(0);
if(dir == v3s16(0,-1,0)){
ap = f.tiles[0].texture; // floor
} else if(dir == v3s16(0,1,0)){
ap = f.tiles[1].texture; // ceiling
// For backwards compatibility
} else if(dir == v3s16(0,0,0)){
ap = f.tiles[0].texture; // floor
} else {
ap = f.tiles[2].texture; // side
}
// 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, ap.atlas);
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,
ap.x0(), ap.y1()),
video::S3DVertex(BS/2,-BS/2,0, 0,0,0, c,
ap.x1(), ap.y1()),
video::S3DVertex(BS/2,BS/2,0, 0,0,0, c,
ap.x1(), ap.y0()),
video::S3DVertex(-BS/2,BS/2,0, 0,0,0, c,
ap.x0(), ap.y0()),
};
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);
}
u16 indices[] = {0,1,2,2,3,0};
// Add to mesh collector
collector.append(material, vertices, 4, indices, 6);
break;}
case NDT_SIGNLIKE:
{
// 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_REF;
AtlasPointer ap = f.tiles[0].texture;
material.setTexture(0, ap.atlas);
u8 l = decode_light(n.getLightBlend(data->m_daynight_ratio, nodedef));
video::SColor c = MapBlock_LightColor(255, 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,
ap.x0(), ap.y1()),
video::S3DVertex(BS/2-d,-BS/2,BS/2, 0,0,0, c,
ap.x1(), ap.y1()),
video::S3DVertex(BS/2-d,BS/2,BS/2, 0,0,0, c,
ap.x1(), ap.y0()),
video::S3DVertex(BS/2-d,BS/2,-BS/2, 0,0,0, c,
ap.x0(), ap.y0()),
};
v3s16 dir = unpackDir(n.param2);
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);
}
u16 indices[] = {0,1,2,2,3,0};
// Add to mesh collector
collector.append(material, vertices, 4, indices, 6);
break;}
case NDT_PLANTLIKE:
{
video::SMaterial material_papyrus;
material_papyrus.setFlag(video::EMF_LIGHTING, false);
material_papyrus.setFlag(video::EMF_BILINEAR_FILTER, false);
material_papyrus.setFlag(video::EMF_FOG_ENABLE, true);
material_papyrus.MaterialType=video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
AtlasPointer pa_papyrus = f.tiles[0].texture;
material_papyrus.setTexture(0, pa_papyrus.atlas);
u8 l = decode_light(undiminish_light(n.getLightBlend(data->m_daynight_ratio, nodedef)));
video::SColor c = MapBlock_LightColor(255, l);
for(u32 j=0; j<4; j++)
{
video::S3DVertex vertices[4] =
{
video::S3DVertex(-BS/2*f.visual_scale,-BS/2,0, 0,0,0, c,
pa_papyrus.x0(), pa_papyrus.y1()),
video::S3DVertex( BS/2*f.visual_scale,-BS/2,0, 0,0,0, c,
pa_papyrus.x1(), pa_papyrus.y1()),
video::S3DVertex( BS/2*f.visual_scale,
-BS/2 + f.visual_scale*BS,0, 0,0,0, c,
pa_papyrus.x1(), pa_papyrus.y0()),
video::S3DVertex(-BS/2*f.visual_scale,
-BS/2 + f.visual_scale*BS,0, 0,0,0, c,
pa_papyrus.x0(), pa_papyrus.y0()),
};
if(j == 0)
{
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(45);
}
else if(j == 1)
{
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(-45);
}
else if(j == 2)
{
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(135);
}
else if(j == 3)
{
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(-135);
}
for(u16 i=0; i<4; i++)
{
vertices[i].Pos *= f.visual_scale;
vertices[i].Pos += intToFloat(p + blockpos_nodes, BS);
}
u16 indices[] = {0,1,2,2,3,0};
// Add to mesh collector
collector.append(material_papyrus, vertices, 4, indices, 6);
}
break;}
case NDT_FENCELIKE:
{
video::SMaterial material_wood;
material_wood.setFlag(video::EMF_LIGHTING, false);
material_wood.setFlag(video::EMF_BILINEAR_FILTER, false);
material_wood.setFlag(video::EMF_FOG_ENABLE, true);
material_wood.MaterialType = video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
AtlasPointer pa_wood = f.tiles[0].texture;
material_wood.setTexture(0, pa_wood.atlas);
u8 l = decode_light(undiminish_light(n.getLightBlend(data->m_daynight_ratio, nodedef)));
video::SColor c = MapBlock_LightColor(255, l);
const f32 post_rad=(f32)BS/10;
const f32 bar_rad=(f32)BS/20;
const f32 bar_len=(f32)(BS/2)-post_rad;
// The post - always present
v3f pos = intToFloat(p+blockpos_nodes, BS);
f32 postuv[24]={
0.4,0.4,0.6,0.6,
0.35,0,0.65,1,
0.35,0,0.65,1,
0.35,0,0.65,1,
0.35,0,0.65,1,
0.4,0.4,0.6,0.6};
makeCuboid(material_wood, &collector,
&pa_wood, c, pos,
post_rad,BS/2,post_rad, postuv);
// Now a section of fence, +X, if there's a post there
v3s16 p2 = p;
p2.X++;
MapNode n2 = data->m_vmanip.getNodeNoEx(blockpos_nodes + p2);
const ContentFeatures *f2 = &nodedef->get(n2);
if(f2->drawtype == NDT_FENCELIKE)
{
pos = intToFloat(p+blockpos_nodes, BS);
pos.X += BS/2;
pos.Y += BS/4;
f32 xrailuv[24]={
0,0.4,1,0.6,
0,0.4,1,0.6,
0,0.4,1,0.6,
0,0.4,1,0.6,
0,0.4,1,0.6,
0,0.4,1,0.6};
makeCuboid(material_wood, &collector,
&pa_wood, c, pos,
bar_len,bar_rad,bar_rad, xrailuv);
pos.Y -= BS/2;
makeCuboid(material_wood, &collector,
&pa_wood, c, pos,
bar_len,bar_rad,bar_rad, xrailuv);
}
// Now a section of fence, +Z, if there's a post there
p2 = p;
p2.Z++;
n2 = data->m_vmanip.getNodeNoEx(blockpos_nodes + p2);
f2 = &nodedef->get(n2);
if(f2->drawtype == NDT_FENCELIKE)
{
pos = intToFloat(p+blockpos_nodes, BS);
pos.Z += BS/2;
pos.Y += BS/4;
f32 zrailuv[24]={
0,0.4,1,0.6,
0,0.4,1,0.6,
0,0.4,1,0.6,
0,0.4,1,0.6,
0,0.4,1,0.6,
0,0.4,1,0.6};
makeCuboid(material_wood, &collector,
&pa_wood, c, pos,
bar_rad,bar_rad,bar_len, zrailuv);
pos.Y -= BS/2;
makeCuboid(material_wood, &collector,
&pa_wood, c, pos,
bar_rad,bar_rad,bar_len, zrailuv);
}
break;}
case NDT_RAILLIKE:
{
bool is_rail_x [] = { false, false }; /* x-1, x+1 */
bool is_rail_z [] = { false, false }; /* z-1, z+1 */
MapNode n_minus_x = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x-1,y,z));
MapNode n_plus_x = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x+1,y,z));
MapNode n_minus_z = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x,y,z-1));
MapNode n_plus_z = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x,y,z+1));
content_t thiscontent = n.getContent();
if(n_minus_x.getContent() == thiscontent)
is_rail_x[0] = true;
if(n_plus_x.getContent() == thiscontent)
is_rail_x[1] = true;
if(n_minus_z.getContent() == thiscontent)
is_rail_z[0] = true;
if(n_plus_z.getContent() == thiscontent)
is_rail_z[1] = true;
int adjacencies = is_rail_x[0] + is_rail_x[1] + is_rail_z[0] + is_rail_z[1];
// Assign textures
AtlasPointer ap = f.tiles[0].texture; // straight
if(adjacencies < 2)
ap = f.tiles[0].texture; // straight
else if(adjacencies == 2)
{
if((is_rail_x[0] && is_rail_x[1]) || (is_rail_z[0] && is_rail_z[1]))
ap = f.tiles[0].texture; // straight
else
ap = f.tiles[1].texture; // curved
}
else if(adjacencies == 3)
ap = f.tiles[2].texture; // t-junction
else if(adjacencies == 4)
ap = f.tiles[3].texture; // crossing
video::SMaterial material_rail;
material_rail.setFlag(video::EMF_LIGHTING, false);
material_rail.setFlag(video::EMF_BACK_FACE_CULLING, false);
material_rail.setFlag(video::EMF_BILINEAR_FILTER, false);
material_rail.setFlag(video::EMF_FOG_ENABLE, true);
material_rail.MaterialType
= video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF;
material_rail.setTexture(0, ap.atlas);
u8 l = decode_light(n.getLightBlend(data->m_daynight_ratio, nodedef));
video::SColor c = MapBlock_LightColor(255, l);
float d = (float)BS/16;
video::S3DVertex vertices[4] =
{
video::S3DVertex(-BS/2,-BS/2+d,-BS/2, 0,0,0, c,
ap.x0(), ap.y1()),
video::S3DVertex(BS/2,-BS/2+d,-BS/2, 0,0,0, c,
ap.x1(), ap.y1()),
video::S3DVertex(BS/2,-BS/2+d,BS/2, 0,0,0, c,
ap.x1(), ap.y0()),
video::S3DVertex(-BS/2,-BS/2+d,BS/2, 0,0,0, c,
ap.x0(), ap.y0()),
};
// Rotate textures
int angle = 0;
if(adjacencies == 1)
{
if(is_rail_x[0] || is_rail_x[1])
angle = 90;
}
else if(adjacencies == 2)
{
if(is_rail_x[0] && is_rail_x[1])
angle = 90;
else if(is_rail_x[0] && is_rail_z[0])
angle = 270;
else if(is_rail_x[0] && is_rail_z[1])
angle = 180;
else if(is_rail_x[1] && is_rail_z[1])
angle = 90;
}
else if(adjacencies == 3)
{
if(!is_rail_x[0])
angle=0;
if(!is_rail_x[1])
angle=180;
if(!is_rail_z[0])
angle=90;
if(!is_rail_z[1])
angle=270;
}
if(angle != 0) {
for(u16 i=0; i<4; i++)
vertices[i].Pos.rotateXZBy(angle);
}
for(s32 i=0; i<4; i++)
{
vertices[i].Pos += intToFloat(p + blockpos_nodes, BS);
}
u16 indices[] = {0,1,2,2,3,0};
collector.append(material_rail, vertices, 4, indices, 6);
break;}
}
}
}
/*
Lights neighbors of from_nodes, collects all them and then
goes on recursively.
*/
void VoxelManipulator::spreadLight(enum LightBank bank,
core::map<v3s16, bool> & from_nodes, INodeDefManager *nodemgr)
{
const v3s16 dirs[6] = {
v3s16(0,0,1), // back
v3s16(0,1,0), // top
v3s16(1,0,0), // right
v3s16(0,0,-1), // front
v3s16(0,-1,0), // bottom
v3s16(-1,0,0), // left
};
if(from_nodes.size() == 0)
return;
core::map<v3s16, bool> lighted_nodes;
core::map<v3s16, bool>::Iterator j;
j = from_nodes.getIterator();
for(; j.atEnd() == false; j++)
{
v3s16 pos = j.getNode()->getKey();
emerge(VoxelArea(pos - v3s16(1,1,1), pos + v3s16(1,1,1)));
u32 i = m_area.index(pos);
if(m_flags[i] & VOXELFLAG_INEXISTENT)
continue;
MapNode &n = m_data[i];
u8 oldlight = n.getLight(bank, nodemgr);
u8 newlight = diminish_light(oldlight);
// Loop through 6 neighbors
for(u16 i=0; i<6; i++)
{
// Get the position of the neighbor node
v3s16 n2pos = pos + dirs[i];
try
{
u32 n2i = m_area.index(n2pos);
if(m_flags[n2i] & VOXELFLAG_INEXISTENT)
continue;
MapNode &n2 = m_data[n2i];
u8 light2 = n2.getLight(bank, nodemgr);
/*
If the neighbor is brighter than the current node,
add to list (it will light up this node on its turn)
*/
if(light2 > undiminish_light(oldlight))
{
lighted_nodes.insert(n2pos, true);
}
/*
If the neighbor is dimmer than how much light this node
would spread on it, add to list
*/
if(light2 < newlight)
{
if(nodemgr->get(n2).light_propagates)
{
n2.setLight(bank, newlight, nodemgr);
lighted_nodes.insert(n2pos, true);
}
}
}
catch(InvalidPositionException &e)
{
continue;
}
}
}
/*dstream<<"spreadLight(): Changed block "
<<blockchangecount<<" times"
<<" for "<<from_nodes.size()<<" nodes"
<<std::endl;*/
if(lighted_nodes.size() > 0)
spreadLight(bank, lighted_nodes, nodemgr);
}