forked from Mirrorlandia_minetest/minetest
Connect rails with connect_to_raillike and shorten the codes
This commit is contained in:
SmallJoker
Craig Robbins
parent
03e0dd33a8
commit
709f4a50f7
@ -1398,97 +1398,42 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
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break;}
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case NDT_RAILLIKE:
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{
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bool is_rail_x [] = { false, false }; /* x-1, x+1 */
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bool is_rail_z [] = { false, false }; /* z-1, z+1 */
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bool is_rail_z_minus_y [] = { false, false }; /* z-1, z+1; y-1 */
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bool is_rail_x_minus_y [] = { false, false }; /* x-1, z+1; y-1 */
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bool is_rail_z_plus_y [] = { false, false }; /* z-1, z+1; y+1 */
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bool is_rail_x_plus_y [] = { false, false }; /* x-1, x+1; y+1 */
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MapNode n_minus_x = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x-1,y,z));
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MapNode n_plus_x = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x+1,y,z));
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MapNode n_minus_z = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x,y,z-1));
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MapNode n_plus_z = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x,y,z+1));
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MapNode n_plus_x_plus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x+1, y+1, z));
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MapNode n_plus_x_minus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x+1, y-1, z));
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MapNode n_minus_x_plus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x-1, y+1, z));
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MapNode n_minus_x_minus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x-1, y-1, z));
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MapNode n_plus_z_plus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y+1, z+1));
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MapNode n_minus_z_plus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y+1, z-1));
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MapNode n_plus_z_minus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y-1, z+1));
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MapNode n_minus_z_minus_y = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y-1, z-1));
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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) */
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bool is_rail_z[6];
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content_t thiscontent = n.getContent();
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std::string groupname = "connect_to_raillike"; // name of the group that enables connecting to raillike nodes of different kind
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int self_group = ((ItemGroupList) nodedef->get(n).groups)[groupname];
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if ((nodedef->get(n_minus_x).drawtype == NDT_RAILLIKE
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&& ((ItemGroupList) nodedef->get(n_minus_x).groups)[groupname] != self_group)
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|| n_minus_x.getContent() == thiscontent)
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is_rail_x[0] = true;
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u8 index = 0;
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for (s8 y0 = -1; y0 <= 1; y0++) {
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// Prevent from indexing never used coordinates
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for (s8 xz = -1; xz <= 1; xz++) {
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if (xz == 0)
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continue;
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MapNode n_xy = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x + xz, y + y0, z));
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MapNode n_zy = data->m_vmanip.getNodeNoEx(blockpos_nodes + v3s16(x, y + y0, z + xz));
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ContentFeatures def_xy = nodedef->get(n_xy);
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ContentFeatures def_zy = nodedef->get(n_zy);
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if ((nodedef->get(n_minus_x_minus_y).drawtype == NDT_RAILLIKE
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&& ((ItemGroupList) nodedef->get(n_minus_x_minus_y).groups)[groupname] != self_group)
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|| n_minus_x_minus_y.getContent() == thiscontent)
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is_rail_x_minus_y[0] = true;
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// Check if current node would connect with the rail
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is_rail_x[index] = ((def_xy.drawtype == NDT_RAILLIKE
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&& ((ItemGroupList) def_xy.groups)[groupname] == self_group)
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|| n_xy.getContent() == thiscontent);
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if ((nodedef->get(n_minus_x_plus_y).drawtype == NDT_RAILLIKE
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&& ((ItemGroupList) nodedef->get(n_minus_x_plus_y).groups)[groupname] != self_group)
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|| n_minus_x_plus_y.getContent() == thiscontent)
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is_rail_x_plus_y[0] = true;
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is_rail_z[index] = ((def_zy.drawtype == NDT_RAILLIKE
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&& ((ItemGroupList) def_zy.groups)[groupname] == self_group)
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|| n_zy.getContent() == thiscontent);
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index++;
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}
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}
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if ((nodedef->get(n_plus_x).drawtype == NDT_RAILLIKE
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&& ((ItemGroupList) nodedef->get(n_plus_x).groups)[groupname] != self_group)
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|| n_plus_x.getContent() == thiscontent)
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is_rail_x[1] = true;
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if ((nodedef->get(n_plus_x_minus_y).drawtype == NDT_RAILLIKE
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&& ((ItemGroupList) nodedef->get(n_plus_x_minus_y).groups)[groupname] != self_group)
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|| n_plus_x_minus_y.getContent() == thiscontent)
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is_rail_x_minus_y[1] = true;
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if ((nodedef->get(n_plus_x_plus_y).drawtype == NDT_RAILLIKE
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&& ((ItemGroupList) nodedef->get(n_plus_x_plus_y).groups)[groupname] != self_group)
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|| n_plus_x_plus_y.getContent() == thiscontent)
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is_rail_x_plus_y[1] = true;
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if ((nodedef->get(n_minus_z).drawtype == NDT_RAILLIKE
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&& ((ItemGroupList) nodedef->get(n_minus_z).groups)[groupname] != self_group)
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|| n_minus_z.getContent() == thiscontent)
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is_rail_z[0] = true;
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if ((nodedef->get(n_minus_z_minus_y).drawtype == NDT_RAILLIKE
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&& ((ItemGroupList) nodedef->get(n_minus_z_minus_y).groups)[groupname] != self_group)
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|| n_minus_z_minus_y.getContent() == thiscontent)
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is_rail_z_minus_y[0] = true;
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if ((nodedef->get(n_minus_z_plus_y).drawtype == NDT_RAILLIKE
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&& ((ItemGroupList) nodedef->get(n_minus_z_plus_y).groups)[groupname] != self_group)
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|| n_minus_z_plus_y.getContent() == thiscontent)
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is_rail_z_plus_y[0] = true;
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if ((nodedef->get(n_plus_z).drawtype == NDT_RAILLIKE
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&& ((ItemGroupList) nodedef->get(n_plus_z).groups)[groupname] != self_group)
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|| n_plus_z.getContent() == thiscontent)
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is_rail_z[1] = true;
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if ((nodedef->get(n_plus_z_minus_y).drawtype == NDT_RAILLIKE
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&& ((ItemGroupList) nodedef->get(n_plus_z_minus_y).groups)[groupname] != self_group)
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|| n_plus_z_minus_y.getContent() == thiscontent)
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is_rail_z_minus_y[1] = true;
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if ((nodedef->get(n_plus_z_plus_y).drawtype == NDT_RAILLIKE
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&& ((ItemGroupList) nodedef->get(n_plus_z_plus_y).groups)[groupname] != self_group)
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|| n_plus_z_plus_y.getContent() == thiscontent)
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is_rail_z_plus_y[1] = true;
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bool is_rail_x_all[] = {false, false};
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bool is_rail_z_all[] = {false, false};
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is_rail_x_all[0]=is_rail_x[0] || is_rail_x_minus_y[0] || is_rail_x_plus_y[0];
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is_rail_x_all[1]=is_rail_x[1] || is_rail_x_minus_y[1] || is_rail_x_plus_y[1];
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is_rail_z_all[0]=is_rail_z[0] || is_rail_z_minus_y[0] || is_rail_z_plus_y[0];
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is_rail_z_all[1]=is_rail_z[1] || is_rail_z_minus_y[1] || is_rail_z_plus_y[1];
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bool is_rail_x_all[2]; // [0] = negative x, [1] = positive x coordinate from the current node position
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bool is_rail_z_all[2];
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is_rail_x_all[0] = is_rail_x[0] || is_rail_x[2] || is_rail_x[4];
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is_rail_x_all[1] = is_rail_x[1] || is_rail_x[3] || is_rail_x[5];
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is_rail_z_all[0] = is_rail_z[0] || is_rail_z[2] || is_rail_z[4];
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is_rail_z_all[1] = is_rail_z[1] || is_rail_z[3] || is_rail_z[5];
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// reasonable default, flat straight unrotated rail
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bool is_straight = true;
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@ -1497,13 +1442,10 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
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u8 tileindex = 0;
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// check for sloped rail
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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])
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{
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adjacencies = 5; //5 means sloped
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if (is_rail_x[4] || is_rail_x[5] || is_rail_z[4] || is_rail_z[5]) {
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adjacencies = 5; // 5 means sloped
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is_straight = true; // sloped is always straight
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}
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else
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{
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} else {
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// is really straight, rails on both sides
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is_straight = (is_rail_x_all[0] && is_rail_x_all[1]) || (is_rail_z_all[0] && is_rail_z_all[1]);
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adjacencies = is_rail_x_all[0] + is_rail_x_all[1] + is_rail_z_all[0] + is_rail_z_all[1];
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@ -1511,44 +1453,44 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
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switch (adjacencies) {
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case 1:
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if(is_rail_x_all[0] || is_rail_x_all[1])
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if (is_rail_x_all[0] || is_rail_x_all[1])
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angle = 90;
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break;
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case 2:
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if(!is_straight)
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if (!is_straight)
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tileindex = 1; // curved
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if(is_rail_x_all[0] && is_rail_x_all[1])
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if (is_rail_x_all[0] && is_rail_x_all[1])
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angle = 90;
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if(is_rail_z_all[0] && is_rail_z_all[1]){
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if (is_rail_z_plus_y[0])
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if (is_rail_z_all[0] && is_rail_z_all[1]) {
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if (is_rail_z[4])
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angle = 180;
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}
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else if(is_rail_x_all[0] && is_rail_z_all[0])
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else if (is_rail_x_all[0] && is_rail_z_all[0])
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angle = 270;
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else if(is_rail_x_all[0] && is_rail_z_all[1])
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else if (is_rail_x_all[0] && is_rail_z_all[1])
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angle = 180;
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else if(is_rail_x_all[1] && is_rail_z_all[1])
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else if (is_rail_x_all[1] && is_rail_z_all[1])
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angle = 90;
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break;
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case 3:
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// here is where the potential to 'switch' a junction is, but not implemented at present
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tileindex = 2; // t-junction
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if(!is_rail_x_all[1])
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angle=180;
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angle = 180;
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if(!is_rail_z_all[0])
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angle=90;
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angle = 90;
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if(!is_rail_z_all[1])
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angle=270;
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angle = 270;
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break;
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case 4:
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tileindex = 3; // crossing
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break;
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case 5: //sloped
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if(is_rail_z_plus_y[0])
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if (is_rail_z[4])
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angle = 180;
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if(is_rail_x_plus_y[0])
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if (is_rail_x[4])
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angle = 90;
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if(is_rail_x_plus_y[1])
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if (is_rail_x[5])
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angle = -90;
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break;
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default:
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@ -1566,7 +1508,7 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
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float s = BS/2;
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short g = -1;
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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])
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if (is_rail_x[4] || is_rail_x[5] || is_rail_z[4] || is_rail_z[5])
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g = 1; //Object is at a slope
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video::S3DVertex vertices[4] =
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