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| author | Perttu Ahola <celeron55@gmail.com> | 2011-02-28 21:12:01 +0200 |
|---|---|---|
| committer | Perttu Ahola <celeron55@gmail.com> | 2011-02-28 21:12:01 +0200 |
| commit | f923c1fb6618988c24016bd5a2aa4f3cebb30214 (patch) | |
| tree | e35748c3ca75b130c78fd3de8636880fb5dcc91a /src | |
| parent | c137946a3fc3d2cdbed35fe84cced1a52185bfa3 (diff) | |
| download | minetest-f923c1fb6618988c24016bd5a2aa4f3cebb30214.tar.gz minetest-f923c1fb6618988c24016bd5a2aa4f3cebb30214.tar.bz2 minetest-f923c1fb6618988c24016bd5a2aa4f3cebb30214.zip | |
tweaked mapgen
Diffstat (limited to 'src')
| -rw-r--r-- | src/map.cpp | 75 |
1 files changed, 64 insertions, 11 deletions
diff --git a/src/map.cpp b/src/map.cpp index 6ba0f0d1d..b141bd7e2 100644 --- a/src/map.cpp +++ b/src/map.cpp @@ -2005,7 +2005,7 @@ double contour_flat_top(double v, double r) double base_rock_level_2d(u64 seed, v2f p) { // The ground level (return value) - double h = WATER_LEVEL; + double h = WATER_LEVEL-1.5; // Raises from 0 when parameter is -1...1 /*double m2 = contour_flat_top(-0.8 + 2.0 * noise2d_perlin( @@ -2028,12 +2028,65 @@ double base_rock_level_2d(u64 seed, v2f p) h += 30 * tm2;*/ #if 1 - // Huge mountains - double m3 = 150.0 - 500.0 * noise2d_perlin_abs( - 0.324+(float)p.X/2000., 0.423+(float)p.Y/2000., - (seed>>32)+985251, 9, 0.55); - if(m3 > h) - h = m3; + { + // Large mountains + double m3 = 100.0 - 600.0 * noise2d_perlin_abs( + 0.324+(float)p.X/2000., 0.423+(float)p.Y/2000., + (seed>>32)+985251, 9, 0.55); + if(m3 > h) + h = m3; + } +#endif + +#if 1 + { + // Pretty neat looking mountains + double m4 = 100.0 - 400.0 * noise2d_perlin_abs( + 0.324+(float)p.X/2000., 0.423+(float)p.Y/2000., + (seed>>32)+65012102, 8, 0.6); + if(m4 > h) + h = m4; + } +#endif + +#if 0 + { + // More neat looking mountain ranges + double d = 100; + double a1 = d*2 - d*5 * noise2d_perlin_abs( + 0.5+(float)p.X/500., 0.5+(float)p.Y/500., + seed+850342, 6, 0.55); + /*if(a1 > d) + a1 = d + sqrt(a1-d);*/ + a1 = (1.0 - exp(-a1/d))*d; + /*if(a1 > h) + h = a1;*/ + if(a1 > 0) + h += a1; + } +#endif + +#if 1 + { + // Very steep mountain ranges + double d = 150; + double a1 = d*2 - d*7.5 * noise2d_perlin_abs( + 0.5+(float)p.X/500., 0.5+(float)p.Y/500., + seed+850342, 6, 0.6); + /*if(a1 > d) + a1 = d + sqrt(a1-d);*/ + a1 = (1.0 - exp(-a1/d))*d; + /*if(a1 > h) + h = a1;*/ + if(a1 > 0) + h += a1; + /*double a = noise2d_perlin_abs( + 0.94+(float)p.X/2000., 0.26+(float)p.Y/2000., + (seed>>32)+65012102, 8, 0.50); + double m4 = 100.0 - 400.0 * a; + if(m4 > h) + h = m4;*/ + } #endif #if 1 @@ -2053,7 +2106,7 @@ double base_rock_level_2d(u64 seed, v2f p) #endif #if 1 - double base = -5. + 25. * noise2d_perlin( + double base = -2. + 25. * noise2d_perlin( 0.5+(float)p.X/500., 0.5+(float)p.Y/500., (seed>>32)+653876, 7, 0.6); #else @@ -4151,7 +4204,7 @@ MapBlock * ServerMap::generateBlock( v3f p_map_f = p_nodes_f + checklist[i]*MAP_BLOCKSIZE; double depth_guess; - bool is_ground = is_base_ground(m_seed, p_map_f, &depth_guess); + /*bool is_ground =*/ is_base_ground(m_seed, p_map_f, &depth_guess); // Estimate the surface height float surface_y_f = p_map_f.Y + depth_guess; @@ -4456,7 +4509,7 @@ MapBlock * ServerMap::generateBlock( //dstream<<"generateBlock(): Getting local attributes"<<std::endl; - float caves_amount = 0.5; + //float caves_amount = 0.5; #if 0 { @@ -4474,11 +4527,11 @@ MapBlock * ServerMap::generateBlock( //dstream<<"generateBlock(): Done"<<std::endl; +#if 0 // Set to true if has caves. // Set when some non-air is changed to air when making caves. bool has_dungeons = false; -#if 0 /* Generate dungeons */ |