diff options
Diffstat (limited to 'src/mapgen.cpp')
| -rw-r--r-- | src/mapgen.cpp | 92 |
1 files changed, 75 insertions, 17 deletions
diff --git a/src/mapgen.cpp b/src/mapgen.cpp index 4a2a39aec..dfea862a5 100644 --- a/src/mapgen.cpp +++ b/src/mapgen.cpp @@ -85,7 +85,7 @@ static void make_tree(VoxelManipulator &vmanip, v3s16 p0) MapNode treenode(CONTENT_TREE); MapNode leavesnode(CONTENT_LEAVES); - s16 trunk_h = myrand_range(3, 6); + s16 trunk_h = myrand_range(4, 5); v3s16 p1 = p0; for(s16 ii=0; ii<trunk_h; ii++) { @@ -97,7 +97,7 @@ static void make_tree(VoxelManipulator &vmanip, v3s16 p0) // p1 is now the last piece of the trunk p1.Y -= 1; - VoxelArea leaves_a(v3s16(-2,-2,-2), v3s16(2,2,2)); + VoxelArea leaves_a(v3s16(-2,-1,-2), v3s16(2,2,2)); //SharedPtr<u8> leaves_d(new u8[leaves_a.getVolume()]); Buffer<u8> leaves_d(leaves_a.getVolume()); for(s32 i=0; i<leaves_a.getVolume(); i++) @@ -152,6 +152,34 @@ static void make_tree(VoxelManipulator &vmanip, v3s16 p0) } } +void make_papyrus(VoxelManipulator &vmanip, v3s16 p0) +{ + MapNode papyrusnode(CONTENT_PAPYRUS); + + s16 trunk_h = myrand_range(2, 3); + v3s16 p1 = p0; + for(s16 ii=0; ii<trunk_h; ii++) + { + if(vmanip.m_area.contains(p1)) + vmanip.m_data[vmanip.m_area.index(p1)] = papyrusnode; + p1.Y++; + } +} + +void make_cactus(VoxelManipulator &vmanip, v3s16 p0) +{ + MapNode cactusnode(CONTENT_CACTUS); + + s16 trunk_h = 3; + v3s16 p1 = p0; + for(s16 ii=0; ii<trunk_h; ii++) + { + if(vmanip.m_area.contains(p1)) + vmanip.m_data[vmanip.m_area.index(p1)] = cactusnode; + p1.Y++; + } +} + #if 0 static void make_randomstone(VoxelManipulator &vmanip, v3s16 p0) { @@ -909,8 +937,8 @@ NoiseParams get_cave_noise2_params(u64 seed) NoiseParams get_ground_noise1_params(u64 seed) { - return NoiseParams(NOISE_PERLIN, seed+983240, 5, - 0.60, 100.0, 30.0); + return NoiseParams(NOISE_PERLIN, seed+983240, 4, + 0.55, 80.0, 40.0); } NoiseParams get_ground_crumbleness_params(u64 seed) @@ -945,7 +973,7 @@ bool val_is_ground(double ground_noise1_val, v3s16 p, u64 seed) double f = 0.55 + noise2d_perlin( 0.5+(float)p.X/250, 0.5+(float)p.Z/250, - seed+920381, 3, 0.5); + seed+920381, 3, 0.45); if(f < 0.01) f = 0.01; else if(f >= 1.0) @@ -1345,7 +1373,8 @@ void make_block(BlockMakeData *data) data->seed, v2s16(blockpos.X, blockpos.Z), 1); // Maximum amount of ground above the bottom of the central block s16 maximum_ground_depth = maximum_groundlevel - node_min.Y; - + + #if 0 /* Special case for high air or water: Just fill with air and water. */ @@ -1379,6 +1408,7 @@ void make_block(BlockMakeData *data) // We're done return; } + #endif /* If block is deep underground, this is set to true and ground @@ -1808,6 +1838,8 @@ void make_block(BlockMakeData *data) u32 current_depth = 0; bool air_detected = false; bool water_detected = false; + bool have_clay = false; + // Use fast index incrementing s16 start_y = node_max.Y+2; v3s16 em = vmanip.m_area.getExtent(); @@ -1834,7 +1866,19 @@ void make_block(BlockMakeData *data) { if(have_sand) { - vmanip.m_data[i] = MapNode(CONTENT_SAND); + // Determine whether to have clay in the sand here + double claynoise = noise2d_perlin( + 0.5+(float)p2d.X/500, 0.5+(float)p2d.Y/500, + data->seed+4321, 6, 0.95) + 0.5; + + have_clay = (y <= WATER_LEVEL) && (y >= WATER_LEVEL-2) && ( + ((claynoise > 0) && (claynoise < 0.04) && (current_depth == 0)) || + ((claynoise > 0) && (claynoise < 0.12) && (current_depth == 1)) + ); + if (have_clay) + vmanip.m_data[i] = MapNode(CONTENT_CLAY); + else + vmanip.m_data[i] = MapNode(CONTENT_SAND); } #if 1 else if(current_depth==0 && !water_detected @@ -1894,7 +1938,7 @@ void make_block(BlockMakeData *data) { u32 i = data->vmanip->m_area.index(p); MapNode *n = &data->vmanip->m_data[i]; - if(n->d != CONTENT_AIR && n->d != CONTENT_IGNORE) + if(n->d != CONTENT_AIR && n->d != CONTENT_WATERSOURCE && n->d != CONTENT_IGNORE) { found = true; break; @@ -1903,19 +1947,33 @@ void make_block(BlockMakeData *data) // If not found, handle next one if(found == false) continue; - /* - Trees grow only on mud and grass - */ + { u32 i = data->vmanip->m_area.index(p); MapNode *n = &data->vmanip->m_data[i]; - if(n->d != CONTENT_MUD && n->d != CONTENT_GRASS) - continue; + + if(n->d != CONTENT_MUD && n->d != CONTENT_GRASS && n->d != CONTENT_SAND) + continue; + + // Papyrus grows only on mud and in water + if(n->d == CONTENT_MUD && y <= WATER_LEVEL) + { + p.Y++; + make_papyrus(vmanip, p); + } + // Trees grow only on mud and grass, on land + else if((n->d == CONTENT_MUD || n->d == CONTENT_GRASS) && y > WATER_LEVEL + 2) + { + p.Y++; + make_tree(vmanip, p); + } + // Cactii grow only on sand, on land + else if(n->d == CONTENT_SAND && y > WATER_LEVEL + 2) + { + p.Y++; + make_cactus(vmanip, p); + } } - // Tree will be placed one higher - p.Y++; - // Make a tree - make_tree(vmanip, p); } #if 0 |