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/*
Minetest-c55
Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#
include
"
content_mapblock.h
"
#
include
"
main.h
"
//
For g_settings
#
include
"
mineral.h
"
#
include
"
mapblock_mesh.h
"
//
For MapBlock_LightColor()
#
include
"
settings.h
"
#
include
"
nodedef.h
"
#
include
"
gamedef.h
"
#
ifndef
SERVER
//
Create a cuboid.
//
material - the material to use (for all 6 faces)
//
collector - the MeshCollector for the resulting polygons
//
pa - texture atlas pointer for the material
//
c - vertex colour - used for all
//
pos - the position of the centre of the cuboid
//
rz,ry,rz - the radius of the cuboid in each dimension
//
txc - texture coordinates - this is a list of texture coordinates
//
for the opposite corners of each face - therefore, there
//
should be (2+2)*6=24 values in the list. Alternatively, pass
//
NULL to use the entire texture for each face. The order of
//
the faces in the list is top-backi-right-front-left-bottom
//
If you specified 0,0,1,1 for each face, that would be the
//
same as passing NULL.
void
makeCuboid
(video::SMaterial &material, MeshCollector *collector,
AtlasPointer* pa, video::SColor &c,
v3f &pos,
f32
rx,
f32
ry,
f32
rz,
f32
* txc)
{
f32
tu0=pa->
x0
();
f32
tu1=pa->
x1
();
f32
tv0=pa->
y0
();
f32
tv1=pa->
y1
();
f32
txus=tu1-tu0;
f32
txvs=tv1-tv0;
video::S3DVertex v[
4
] =
{
video::S3DVertex
(
0
,
0
,
0
,
0
,
0
,
0
, c, tu0, tv1),
video::S3DVertex
(
0
,
0
,
0
,
0
,
0
,
0
, c, tu1, tv1),
video::S3DVertex
(
0
,
0
,
0
,
0
,
0
,
0
, c, tu1, tv0),
video::S3DVertex
(
0
,
0
,
0
,
0
,
0
,
0
, c, tu0, tv0)
};
for
(
int
i=
0
;i<
6
;i++)
{
switch
(i)
{
case
0
:
//
top
v[
0
].
Pos
.
X
=-rx; v[
0
].
Pos
.
Y
= ry; v[
0
].
Pos
.
Z
=-rz;
v[
1
].
Pos
.
X
=-rx; v[
1
].
Pos
.
Y
= ry; v[
1
].
Pos
.
Z
= rz;
v[
2
].
Pos
.
X
= rx; v[
2
].
Pos
.
Y
= ry; v[
2
].
Pos
.
Z
= rz;
v[
3
].
Pos
.
X
= rx; v[
3
].
Pos
.
Y
= ry, v[
3
].
Pos
.
Z
=-rz;
break
;
case
1
:
//
back
v[
0
].
Pos
.
X
=-rx; v[
0
].
Pos
.
Y
= ry; v[
0
].
Pos
.
Z
=-rz;
v[
1
].
Pos
.
X
= rx; v[
1
].
Pos
.
Y
= ry; v[
1
].
Pos
.
Z
=-rz;
v[
2
].
Pos
.
X
= rx; v[
2
].
Pos
.
Y
=-ry; v[
2
].
Pos
.
Z
=-rz;
v[
3
].
Pos
.
X
=-rx; v[
3
].
Pos
.
Y
=-ry, v[
3
].
Pos
.
Z
=-rz;
break
;
case
2
:
//
right
v[
0
].
Pos
.
X
= rx; v[
0
].
Pos
.
Y
= ry; v[
0
].
Pos
.
Z
=-rz;
v[
1
].
Pos
.
X
= rx; v[
1
].
Pos
.
Y
= ry; v[
1
].
Pos
.
Z
= rz;
v[
2
].
Pos
.
X
= rx; v[
2
].
Pos
.
Y
=-ry; v[
2
].
Pos
.
Z
= rz;
v[
3
].
Pos
.
X
= rx; v[
3
].
Pos
.
Y
=-ry, v[
3
].
Pos
.
Z
=-rz;
break
;
case
3
:
//
front
v[
0
].
Pos
.
X
= rx; v[
0
].
Pos
.
Y
= ry; v[
0
].
Pos
.
Z
= rz;
v[
1
].
Pos
.
X
=-rx; v[
1
].
Pos
.
Y
= ry; v[
1
].
Pos
.
Z
= rz;
v[
2
].
Pos
.
X
=-rx; v[
2
].
Pos
.
Y
=-ry; v[
2
].
Pos
.
Z
= rz;
v[
3
].
Pos
.
X
= rx; v[
3
].
Pos
.
Y
=-ry, v[
3
].
Pos
.
Z
= rz;
break
;
case
4
:
//
left
v[
0
].
Pos
.
X
=-rx; v[
0
].
Pos
.
Y
= ry; v[
0
].
Pos
.
Z
= rz;
v[
1
].
Pos
.
X
=-rx; v[
1
].
Pos
.
Y
= ry; v[
1
].
Pos
.
Z
=-rz;
v[
2
].
Pos
.
X
=-rx; v[
2
].
Pos
.
Y
=-ry; v[
2
].
Pos
.
Z
=-rz;
v[
3
].
Pos
.
X
=-rx; v[
3
].
Pos
.
Y
=-ry, v[
3
].
Pos
.
Z
= rz;
break
;
case
5
:
//
bottom
v[
0
].
Pos
.
X
= rx; v[
0
].
Pos
.
Y
=-ry; v[
0
].
Pos
.
Z
= rz;
v[
1
].
Pos
.
X
=-rx; v[
1
].
Pos
.
Y
=-ry; v[
1
].
Pos
.
Z
= rz;
v[
2
].
Pos
.
X
=-rx; v[
2
].
Pos
.
Y
=-ry; v[
2
].
Pos
.
Z
=-rz;
v[
3
].
Pos
.
X
= rx; v[
3
].
Pos
.
Y
=-ry, v[
3
].
Pos
.
Z
=-rz;
break
;
}
if
(txc!=
NULL
)
{
v[
0
].
TCoords
.
X
=tu0+txus*txc[
0
]; v[
0
].
TCoords
.
Y
=tv0+txvs*txc[
3
];
v[
1
].
TCoords
.
X
=tu0+txus*txc[
2
]; v[
1
].
TCoords
.
Y
=tv0+txvs*txc[
3
];
v[
2
].
TCoords
.
X
=tu0+txus*txc[
2
]; v[
2
].
TCoords
.
Y
=tv0+txvs*txc[
1
];
v[
3
].
TCoords
.
X
=tu0+txus*txc[
0
]; v[
3
].
TCoords
.
Y
=tv0+txvs*txc[
1
];
txc+=
4
;
}
for
(
u16
i=
0
; i<
4
; i++)
v[i].
Pos
+= pos;
u16
indices[] = {
0
,
1
,
2
,
2
,
3
,
0
};
collector->
append
(material, v,
4
, indices,
6
);
}
}
#
endif
#
ifndef
SERVER
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.
y0
()),
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.
x1
(), ap.
y1
()),
video::S3DVertex
(
BS
/
2
-d,-
BS
/
2
,
BS
/
2
,
0
,
0
,
0
, c,
ap.
x0
(), ap.
y1
()),
};
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);
View remainder of file in raw view
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