-
-
-// Add mud and sand and others underground (in place of stone)
-void MapgenV5::generateBlobs()
-{
- u32 index = 0;
-
- for(s16 z=node_min.Z; z<=node_max.Z; z++) {
- for(s16 y=node_min.Y - 1; y<=node_max.Y + 1; y++) {
- u32 i = vm->m_area.index(node_min.X, y, z);
- for(s16 x=node_min.X; x<=node_max.X; x++, i++, index++) {
- content_t c = vm->m_data[i].getContent();
- if(c != c_stone)
- continue;
-
- if(noise_crumble->result[index] > 1.3) {
- if(noise_wetness->result[index] > 0.0)
- vm->m_data[i] = MapNode(c_dirt);
- else
- vm->m_data[i] = MapNode(c_sand);
- } else if(noise_crumble->result[index] > 0.7) {
- if(noise_wetness->result[index] < -0.6)
- vm->m_data[i] = MapNode(c_gravel);
- } else if(noise_crumble->result[index] < -3.5 +
- MYMIN(0.1 *
- sqrt((float)MYMAX(0, -y)), 1.5)) {
- vm->m_data[i] = MapNode(c_lava_source);
- }
- }
- }
- }
-}
-
-
-void MapgenV5::generateBiomes()
-{
- if (node_max.Y < water_level)
- return;
-
- MapNode n_air(CONTENT_AIR);
- MapNode n_stone(c_stone);
- MapNode n_water(c_water_source);
-
- v3s16 em = vm->m_area.getExtent();
- u32 index = 0;
-
- for (s16 z = node_min.Z; z <= node_max.Z; z++)
- for (s16 x = node_min.X; x <= node_max.X; x++, index++) {
- Biome *biome = (Biome *)bmgr->get(biomemap[index]);
- s16 dfiller = biome->depth_filler + noise_filler_depth->result[index];
- s16 y0_top = biome->depth_top;
- s16 y0_filler = biome->depth_top + dfiller;
- s16 shore_max = water_level + biome->height_shore;
- s16 depth_water_top = biome->depth_water_top;
-
- s16 nplaced = 0;
- u32 i = vm->m_area.index(x, node_max.Y, z);
-
- content_t c_above = vm->m_data[i + em.X].getContent();
- bool have_air = c_above == CONTENT_AIR;
-
- for (s16 y = node_max.Y; y >= node_min.Y; y--) {
- content_t c = vm->m_data[i].getContent();
- bool is_replaceable_content =
- c == c_stone || c == c_dirt_with_grass || c == c_dirt ||
- c == c_sand || c == c_lava_source || c == c_gravel;
-
- if (is_replaceable_content && have_air) {
- content_t c_below = vm->m_data[i - em.X].getContent();
-
- if (c_below != CONTENT_AIR) {
- if (nplaced < y0_top) {
- if(y < water_level)
- vm->m_data[i] = MapNode(biome->c_underwater);
- else if(y <= shore_max)
- vm->m_data[i] = MapNode(biome->c_shore_top);
- else
- vm->m_data[i] = MapNode(biome->c_top);
- nplaced++;
- } else if (nplaced < y0_filler && nplaced >= y0_top) {
- if(y < water_level)
- vm->m_data[i] = MapNode(biome->c_underwater);
- else if(y <= shore_max)
- vm->m_data[i] = MapNode(biome->c_shore_filler);
- else
- vm->m_data[i] = MapNode(biome->c_filler);
- nplaced++;
- } else if (c == c_stone) {
- have_air = false;
- nplaced = 0;
- vm->m_data[i] = MapNode(biome->c_stone);
- } else {
- have_air = false;
- nplaced = 0;
- }
- } else if (c == c_stone) {
- have_air = false;
- nplaced = 0;
- vm->m_data[i] = MapNode(biome->c_stone);
- }
- } else if (c == c_stone) {
- have_air = false;
- nplaced = 0;
- vm->m_data[i] = MapNode(biome->c_stone);
- } else if (c == c_water_source) {
- have_air = true;
- nplaced = 0;
- if(y > water_level - depth_water_top)
- vm->m_data[i] = MapNode(biome->c_water_top);
- else
- vm->m_data[i] = MapNode(biome->c_water);
- } else if (c == CONTENT_AIR) {
- have_air = true;
- nplaced = 0;
- }
-
- vm->m_area.add_y(em, i, -1);
- }
- }
-}
-
-
-void MapgenV5::dustTopNodes()
-{
- v3s16 em = vm->m_area.getExtent();
- u32 index = 0;
-
- if (water_level > node_max.Y)
- return;
-
- for (s16 z = node_min.Z; z <= node_max.Z; z++)
- for (s16 x = node_min.X; x <= node_max.X; x++, index++) {
- Biome *biome = (Biome *)bmgr->get(biomemap[index]);
-
- if (biome->c_dust == CONTENT_IGNORE)
- continue;
-
- s16 y = node_max.Y + 1;
- u32 vi = vm->m_area.index(x, y, z);
- for (; y >= node_min.Y; y--) {
- if (vm->m_data[vi].getContent() != CONTENT_AIR)
- break;
-
- vm->m_area.add_y(em, vi, -1);
- }
-
- content_t c = vm->m_data[vi].getContent();
- if (!ndef->get(c).buildable_to && c != CONTENT_IGNORE
- && c != biome->c_dust) {
- if (y == node_max.Y + 1)
- continue;
-
- vm->m_area.add_y(em, vi, 1);
- vm->m_data[vi] = MapNode(biome->c_dust);
- }
- }
-}
-