diff options
| -rw-r--r-- | src/content_mapblock.cpp | 156 |
1 files changed, 49 insertions, 107 deletions
diff --git a/src/content_mapblock.cpp b/src/content_mapblock.cpp index 2f1368765..70a1da0b7 100644 --- a/src/content_mapblock.cpp +++ b/src/content_mapblock.cpp @@ -1398,97 +1398,42 @@ void mapblock_mesh_generate_special(MeshMakeData *data, break;} case NDT_RAILLIKE: { - bool is_rail_x [] = { false, false }; /* x-1, x+1 */ - bool is_rail_z [] = { false, false }; /* z-1, z+1 */ - - bool is_rail_z_minus_y [] = { false, false }; /* z-1, z+1; y-1 */ - bool is_rail_x_minus_y [] = { false, false }; /* x-1, z+1; y-1 */ - bool is_rail_z_plus_y [] = { false, false }; /* z-1, z+1; y+1 */ - bool is_rail_x_plus_y [] = { false, false }; /* x-1, x+1; y+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)); - MapNode n_plus_x_plus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x+1, y+1, z)); - MapNode n_plus_x_minus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x+1, y-1, z)); - MapNode n_minus_x_plus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x-1, y+1, z)); - MapNode n_minus_x_minus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x-1, y-1, z)); - MapNode n_plus_z_plus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y+1, z+1)); - MapNode n_minus_z_plus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y+1, z-1)); - MapNode n_plus_z_minus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y-1, z+1)); - MapNode n_minus_z_minus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y-1, z-1)); + bool is_rail_x[6]; /* (-1,-1,0) X (1,-1,0) (-1,0,0) X (1,0,0) (-1,1,0) X (1,1,0) */ + bool is_rail_z[6]; content_t thiscontent = n.getContent(); std::string groupname = "connect_to_raillike"; // name of the group that enables connecting to raillike nodes of different kind int self_group = ((ItemGroupList) nodedef->get(n).groups)[groupname]; - if ((nodedef->get(n_minus_x).drawtype == NDT_RAILLIKE - && ((ItemGroupList) nodedef->get(n_minus_x).groups)[groupname] != self_group) - || n_minus_x.getContent() == thiscontent) - is_rail_x[0] = true; - - if ((nodedef->get(n_minus_x_minus_y).drawtype == NDT_RAILLIKE - && ((ItemGroupList) nodedef->get(n_minus_x_minus_y).groups)[groupname] != self_group) - || n_minus_x_minus_y.getContent() == thiscontent) - is_rail_x_minus_y[0] = true; - - if ((nodedef->get(n_minus_x_plus_y).drawtype == NDT_RAILLIKE - && ((ItemGroupList) nodedef->get(n_minus_x_plus_y).groups)[groupname] != self_group) - || n_minus_x_plus_y.getContent() == thiscontent) - is_rail_x_plus_y[0] = true; - - if ((nodedef->get(n_plus_x).drawtype == NDT_RAILLIKE - && ((ItemGroupList) nodedef->get(n_plus_x).groups)[groupname] != self_group) - || n_plus_x.getContent() == thiscontent) - is_rail_x[1] = true; - - if ((nodedef->get(n_plus_x_minus_y).drawtype == NDT_RAILLIKE - && ((ItemGroupList) nodedef->get(n_plus_x_minus_y).groups)[groupname] != self_group) - || n_plus_x_minus_y.getContent() == thiscontent) - is_rail_x_minus_y[1] = true; - - if ((nodedef->get(n_plus_x_plus_y).drawtype == NDT_RAILLIKE - && ((ItemGroupList) nodedef->get(n_plus_x_plus_y).groups)[groupname] != self_group) - || n_plus_x_plus_y.getContent() == thiscontent) - is_rail_x_plus_y[1] = true; - - if ((nodedef->get(n_minus_z).drawtype == NDT_RAILLIKE - && ((ItemGroupList) nodedef->get(n_minus_z).groups)[groupname] != self_group) - || n_minus_z.getContent() == thiscontent) - is_rail_z[0] = true; - - if ((nodedef->get(n_minus_z_minus_y).drawtype == NDT_RAILLIKE - && ((ItemGroupList) nodedef->get(n_minus_z_minus_y).groups)[groupname] != self_group) - || n_minus_z_minus_y.getContent() == thiscontent) - is_rail_z_minus_y[0] = true; - - if ((nodedef->get(n_minus_z_plus_y).drawtype == NDT_RAILLIKE - && ((ItemGroupList) nodedef->get(n_minus_z_plus_y).groups)[groupname] != self_group) - || n_minus_z_plus_y.getContent() == thiscontent) - is_rail_z_plus_y[0] = true; - - if ((nodedef->get(n_plus_z).drawtype == NDT_RAILLIKE - && ((ItemGroupList) nodedef->get(n_plus_z).groups)[groupname] != self_group) - || n_plus_z.getContent() == thiscontent) - is_rail_z[1] = true; - - if ((nodedef->get(n_plus_z_minus_y).drawtype == NDT_RAILLIKE - && ((ItemGroupList) nodedef->get(n_plus_z_minus_y).groups)[groupname] != self_group) - || n_plus_z_minus_y.getContent() == thiscontent) - is_rail_z_minus_y[1] = true; - - if ((nodedef->get(n_plus_z_plus_y).drawtype == NDT_RAILLIKE - && ((ItemGroupList) nodedef->get(n_plus_z_plus_y).groups)[groupname] != self_group) - || n_plus_z_plus_y.getContent() == thiscontent) - is_rail_z_plus_y[1] = true; - - bool is_rail_x_all[] = {false, false}; - bool is_rail_z_all[] = {false, false}; - is_rail_x_all[0]=is_rail_x[0] || is_rail_x_minus_y[0] || is_rail_x_plus_y[0]; - is_rail_x_all[1]=is_rail_x[1] || is_rail_x_minus_y[1] || is_rail_x_plus_y[1]; - is_rail_z_all[0]=is_rail_z[0] || is_rail_z_minus_y[0] || is_rail_z_plus_y[0]; - is_rail_z_all[1]=is_rail_z[1] || is_rail_z_minus_y[1] || is_rail_z_plus_y[1]; + u8 index = 0; + for (s8 y0 = -1; y0 <= 1; y0++) { + // Prevent from indexing never used coordinates + for (s8 xz = -1; xz <= 1; xz++) { + if (xz == 0) + continue; + MapNode n_xy = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x + xz, y + y0, z)); + MapNode n_zy = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y + y0, z + xz)); + ContentFeatures def_xy = nodedef->get(n_xy); + ContentFeatures def_zy = nodedef->get(n_zy); + + // Check if current node would connect with the rail + is_rail_x[index] = ((def_xy.drawtype == NDT_RAILLIKE + && ((ItemGroupList) def_xy.groups)[groupname] == self_group) + || n_xy.getContent() == thiscontent); + + is_rail_z[index] = ((def_zy.drawtype == NDT_RAILLIKE + && ((ItemGroupList) def_zy.groups)[groupname] == self_group) + || n_zy.getContent() == thiscontent); + index++; + } + } + + bool is_rail_x_all[2]; // [0] = negative x, [1] = positive x coordinate from the current node position + bool is_rail_z_all[2]; + is_rail_x_all[0] = is_rail_x[0] || is_rail_x[2] || is_rail_x[4]; + is_rail_x_all[1] = is_rail_x[1] || is_rail_x[3] || is_rail_x[5]; + is_rail_z_all[0] = is_rail_z[0] || is_rail_z[2] || is_rail_z[4]; + is_rail_z_all[1] = is_rail_z[1] || is_rail_z[3] || is_rail_z[5]; // reasonable default, flat straight unrotated rail bool is_straight = true; @@ -1497,13 +1442,10 @@ void mapblock_mesh_generate_special(MeshMakeData *data, u8 tileindex = 0; // check for sloped rail - if (is_rail_x_plus_y[0] || is_rail_x_plus_y[1] || is_rail_z_plus_y[0] || is_rail_z_plus_y[1]) - { - adjacencies = 5; //5 means sloped + if (is_rail_x[4] || is_rail_x[5] || is_rail_z[4] || is_rail_z[5]) { + adjacencies = 5; // 5 means sloped is_straight = true; // sloped is always straight - } - else - { + } else { // is really straight, rails on both sides is_straight = (is_rail_x_all[0] && is_rail_x_all[1]) || (is_rail_z_all[0] && is_rail_z_all[1]); adjacencies = is_rail_x_all[0] + is_rail_x_all[1] + is_rail_z_all[0] + is_rail_z_all[1]; @@ -1511,44 +1453,44 @@ void mapblock_mesh_generate_special(MeshMakeData *data, switch (adjacencies) { case 1: - if(is_rail_x_all[0] || is_rail_x_all[1]) + if (is_rail_x_all[0] || is_rail_x_all[1]) angle = 90; break; case 2: - if(!is_straight) + if (!is_straight) tileindex = 1; // curved - if(is_rail_x_all[0] && is_rail_x_all[1]) + if (is_rail_x_all[0] && is_rail_x_all[1]) angle = 90; - if(is_rail_z_all[0] && is_rail_z_all[1]){ - if (is_rail_z_plus_y[0]) + if (is_rail_z_all[0] && is_rail_z_all[1]) { + if (is_rail_z[4]) angle = 180; } - else if(is_rail_x_all[0] && is_rail_z_all[0]) + else if (is_rail_x_all[0] && is_rail_z_all[0]) angle = 270; - else if(is_rail_x_all[0] && is_rail_z_all[1]) + else if (is_rail_x_all[0] && is_rail_z_all[1]) angle = 180; - else if(is_rail_x_all[1] && is_rail_z_all[1]) + else if (is_rail_x_all[1] && is_rail_z_all[1]) angle = 90; break; case 3: // here is where the potential to 'switch' a junction is, but not implemented at present tileindex = 2; // t-junction if(!is_rail_x_all[1]) - angle=180; + angle = 180; if(!is_rail_z_all[0]) - angle=90; + angle = 90; if(!is_rail_z_all[1]) - angle=270; + angle = 270; break; case 4: tileindex = 3; // crossing break; case 5: //sloped - if(is_rail_z_plus_y[0]) + if (is_rail_z[4]) angle = 180; - if(is_rail_x_plus_y[0]) + if (is_rail_x[4]) angle = 90; - if(is_rail_x_plus_y[1]) + if (is_rail_x[5]) angle = -90; break; default: @@ -1566,7 +1508,7 @@ void mapblock_mesh_generate_special(MeshMakeData *data, float s = BS/2; short g = -1; - if (is_rail_x_plus_y[0] || is_rail_x_plus_y[1] || is_rail_z_plus_y[0] || is_rail_z_plus_y[1]) + if (is_rail_x[4] || is_rail_x[5] || is_rail_z[4] || is_rail_z[5]) g = 1; //Object is at a slope video::S3DVertex vertices[4] = |