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Glasslike_framed drawtype rework.
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@RealBadAngel
RealBadAngel committed Jun 29, 2014
1 parent c410e91 commit ea6c383
Showing 1 changed file with 158 additions and 50 deletions.
208 changes: 158 additions & 50 deletions src/content_mapblock.cpp
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Expand Up @@ -755,14 +755,37 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
v3s16( 0, 0, 1),
v3s16( 0, 0,-1)
};
TileSpec tiles[2];
tiles[0] = getNodeTile(n, p, dirs[0], data);
tiles[1] = getNodeTile(n, p, dirs[1], data);

u8 i;
TileSpec tiles[6];
for (i = 0; i < 6; i++)
tiles[i] = getNodeTile(n, p, dirs[i], data);

TileSpec glass_tiles[6];
if (tiles[1].texture && tiles[2].texture && tiles[3].texture) {
glass_tiles[0] = tiles[2];
glass_tiles[1] = tiles[3];
glass_tiles[2] = tiles[1];
glass_tiles[3] = tiles[1];
glass_tiles[4] = tiles[1];
glass_tiles[5] = tiles[1];
} else {
for (i = 0; i < 6; i++)
glass_tiles[i] = tiles[1];
}

u8 param2 = n.getParam2();
bool H_merge = ! bool(param2 & 128);
bool V_merge = ! bool(param2 & 64);
param2 = param2 & 63;

u16 l = getInteriorLight(n, 1, nodedef);
video::SColor c = MapBlock_LightColor(255, l, decode_light(f.light_source));
v3f pos = intToFloat(p, BS);
static const float a=BS/2;
static const float b=.876*(BS/2);
static const float a = BS / 2;
static const float g = a - 0.003;
static const float b = .876 * ( BS / 2 );

static const aabb3f frame_edges[12] = {
aabb3f( b, b,-a, a, a, a), // y+
aabb3f(-a, b,-a,-b, a, a), // y+
Expand All @@ -777,66 +800,117 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
aabb3f(-a,-a,-a, a,-b,-b), // z-
aabb3f(-a, b,-a, a, a,-b) // z-
};
aabb3f glass_faces[6] = {
aabb3f(-a, a,-a, a, a, a), // y+
aabb3f(-a,-a,-a, a,-a, a), // y-
aabb3f( a,-a,-a, a, a, a), // x+
aabb3f(-a,-a,-a,-a, a, a), // x-
aabb3f(-a,-a, a, a, a, a), // z+
aabb3f(-a,-a,-a, a, a,-a) // z-
static const aabb3f glass_faces[6] = {
aabb3f(-g, g,-g, g, g, g), // y+
aabb3f(-g,-g,-g, g,-g, g), // y-
aabb3f( g,-g,-g, g, g, g), // x+
aabb3f(-g,-g,-g,-g, g, g), // x-
aabb3f(-g,-g, g, g, g, g), // z+
aabb3f(-g,-g,-g, g, g,-g) // z-
};

// table of node visible faces, 0 = invisible
int visible_faces[6] = {0,0,0,0,0,0};

// table of neighbours, 1 = same type, checked with g_26dirs
int nb[18] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
u8 i;

// g_26dirs to check when only horizontal merge is allowed
int nb_H_dirs[8] = {0,2,3,5,10,11,12,13};

content_t current = n.getContent();
content_t content;
content_t n2c;
MapNode n2;
v3s16 n2p;
for(i=0; i<18; i++)
{
n2p = blockpos_nodes + p + g_26dirs[i];

// neighbours checks for frames visibility

if (!H_merge && V_merge) {
n2p = blockpos_nodes + p + g_26dirs[1];
n2 = data->m_vmanip.getNodeNoEx(n2p);
content_t n2c = n2.getContent();
//TODO: remove CONTENT_IGNORE check when getNodeNoEx is fixed
n2c = n2.getContent();
if (n2c == current || n2c == CONTENT_IGNORE)
nb[i]=1;
}
for(i=0; i<6; i++)
{
n2p = blockpos_nodes + p + dirs[i];
nb[1] = 1;
n2p = blockpos_nodes + p + g_26dirs[4];
n2 = data->m_vmanip.getNodeNoEx(n2p);
content = n2.getContent();
const ContentFeatures &f2 = nodedef->get(content);
if (content == CONTENT_AIR || f2.isLiquid())
visible_faces[i]=1;
n2c = n2.getContent();
if (n2c == current || n2c == CONTENT_IGNORE)
nb[4] = 1;
} else if (H_merge && !V_merge) {
for(i = 0; i < 8; i++) {
n2p = blockpos_nodes + p + g_26dirs[nb_H_dirs[i]];
n2 = data->m_vmanip.getNodeNoEx(n2p);
n2c = n2.getContent();
if (n2c == current || n2c == CONTENT_IGNORE)
nb[nb_H_dirs[i]] = 1;
}
} else if (H_merge && V_merge) {
for(i = 0; i < 18; i++) {
n2p = blockpos_nodes + p + g_26dirs[i];
n2 = data->m_vmanip.getNodeNoEx(n2p);
n2c = n2.getContent();
if (n2c == current || n2c == CONTENT_IGNORE)
nb[i] = 1;
}
}

// faces visibility checks

if (!V_merge) {
visible_faces[0] = 1;
visible_faces[1] = 1;
} else {
for(i = 0; i < 2; i++) {
n2p = blockpos_nodes + p + dirs[i];
n2 = data->m_vmanip.getNodeNoEx(n2p);
n2c = n2.getContent();
if (n2c != current)
visible_faces[i] = 1;
}
}

if (!H_merge) {
visible_faces[2] = 1;
visible_faces[3] = 1;
visible_faces[4] = 1;
visible_faces[5] = 1;
} else {
for(i = 2; i < 6; i++) {
n2p = blockpos_nodes + p + dirs[i];
n2 = data->m_vmanip.getNodeNoEx(n2p);
n2c = n2.getContent();
if (n2c != current)
visible_faces[i] = 1;
}
}

static const u8 nb_triplet[12*3] = {
1,2, 7, 1,5, 6, 4,2,15, 4,5,14,
2,0,11, 2,3,13, 5,0,10, 5,3,12,
0,1, 8, 0,4,16, 3,4,17, 3,1, 9
};

f32 tx1,ty1,tz1,tx2,ty2,tz2;
f32 tx1, ty1, tz1, tx2, ty2, tz2;
aabb3f box;
for(i=0; i<12; i++)

for(i = 0; i < 12; i++)
{
int edge_invisible;
if (nb[nb_triplet[i*3+2]]==1)
edge_invisible=nb[nb_triplet[i*3]] & nb[nb_triplet[i*3+1]];
if (nb[nb_triplet[i*3+2]])
edge_invisible = nb[nb_triplet[i*3]] & nb[nb_triplet[i*3+1]];
else
edge_invisible=nb[nb_triplet[i*3]] ^ nb[nb_triplet[i*3+1]];
edge_invisible = nb[nb_triplet[i*3]] ^ nb[nb_triplet[i*3+1]];
if (edge_invisible)
continue;
box=frame_edges[i];
box = frame_edges[i];
box.MinEdge += pos;
box.MaxEdge += pos;
tx1 = (box.MinEdge.X/BS)+0.5;
ty1 = (box.MinEdge.Y/BS)+0.5;
tz1 = (box.MinEdge.Z/BS)+0.5;
tx2 = (box.MaxEdge.X/BS)+0.5;
ty2 = (box.MaxEdge.Y/BS)+0.5;
tz2 = (box.MaxEdge.Z/BS)+0.5;
tx1 = (box.MinEdge.X / BS) + 0.5;
ty1 = (box.MinEdge.Y / BS) + 0.5;
tz1 = (box.MinEdge.Z / BS) + 0.5;
tx2 = (box.MaxEdge.X / BS) + 0.5;
ty2 = (box.MaxEdge.Y / BS) + 0.5;
tz2 = (box.MaxEdge.Z / BS) + 0.5;
f32 txc1[24] = {
tx1, 1-tz2, tx2, 1-tz1,
tx1, tz1, tx2, tz2,
Expand All @@ -847,19 +921,20 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
};
makeCuboid(&collector, box, &tiles[0], 1, c, txc1);
}
for(i=0; i<6; i++)

for(i = 0; i < 6; i++)
{
if (visible_faces[i]==0)
if (!visible_faces[i])
continue;
box=glass_faces[i];
box = glass_faces[i];
box.MinEdge += pos;
box.MaxEdge += pos;
tx1 = (box.MinEdge.X/BS)+0.5;
ty1 = (box.MinEdge.Y/BS)+0.5;
tz1 = (box.MinEdge.Z/BS)+0.5;
tx2 = (box.MaxEdge.X/BS)+0.5;
ty2 = (box.MaxEdge.Y/BS)+0.5;
tz2 = (box.MaxEdge.Z/BS)+0.5;
tx1 = (box.MinEdge.X / BS) + 0.5;
ty1 = (box.MinEdge.Y / BS) + 0.5;
tz1 = (box.MinEdge.Z / BS) + 0.5;
tx2 = (box.MaxEdge.X / BS) + 0.5;
ty2 = (box.MaxEdge.Y / BS) + 0.5;
tz2 = (box.MaxEdge.Z / BS) + 0.5;
f32 txc2[24] = {
tx1, 1-tz2, tx2, 1-tz1,
tx1, tz1, tx2, tz2,
Expand All @@ -868,7 +943,40 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
1-tx2, 1-ty2, 1-tx1, 1-ty1,
tx1, 1-ty2, tx2, 1-ty1,
};
makeCuboid(&collector, box, &tiles[1], 1, c, txc2);
makeCuboid(&collector, box, &glass_tiles[i], 1, c, txc2);
}

if (param2 > 0){
// Interior volume level is in range 0 .. 63,
// convert it to -0.5 .. 0.5
float vlev = (((float)param2 / 63.0 ) * 2.0 - 1.0);
TileSpec interior_tiles[6];
for (i = 0; i < 6; i++)
interior_tiles[i] = f.special_tiles[0];
float offset = 0.003;
box = aabb3f(visible_faces[3] ? -b : -a + offset,
visible_faces[1] ? -b : -a + offset,
visible_faces[5] ? -b : -a + offset,
visible_faces[2] ? b : a - offset,
visible_faces[0] ? b * vlev : a * vlev - offset,
visible_faces[4] ? b : a - offset);
box.MinEdge += pos;
box.MaxEdge += pos;
tx1 = (box.MinEdge.X / BS) + 0.5;
ty1 = (box.MinEdge.Y / BS) + 0.5;
tz1 = (box.MinEdge.Z / BS) + 0.5;
tx2 = (box.MaxEdge.X / BS) + 0.5;
ty2 = (box.MaxEdge.Y / BS) + 0.5;
tz2 = (box.MaxEdge.Z / BS) + 0.5;
f32 txc3[24] = {
tx1, 1-tz2, tx2, 1-tz1,
tx1, tz1, tx2, tz2,
tz1, 1-ty2, tz2, 1-ty1,
1-tz2, 1-ty2, 1-tz1, 1-ty1,
1-tx2, 1-ty2, 1-tx1, 1-ty1,
tx1, 1-ty2, tx2, 1-ty1,
};
makeCuboid(&collector, box, interior_tiles, 6, c, txc3);
}
break;}
case NDT_ALLFACES:
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