diff options
Diffstat (limited to 'src/mapgen/mapgen_v7.cpp')
| -rw-r--r-- | src/mapgen/mapgen_v7.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/mapgen/mapgen_v7.cpp b/src/mapgen/mapgen_v7.cpp index 55a81c531..fba2defef 100644 --- a/src/mapgen/mapgen_v7.cpp +++ b/src/mapgen/mapgen_v7.cpp @@ -20,6 +20,7 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "mapgen.h" +#include <cmath> #include "voxel.h" #include "noise.h" #include "mapblock.h" @@ -228,7 +229,7 @@ int MapgenV7::getSpawnLevelAtPoint(v2s16 p) if (spflags & MGV7_RIDGES) { float width = 0.2; float uwatern = NoisePerlin2D(&noise_ridge_uwater->np, p.X, p.Y, seed) * 2; - if (fabs(uwatern) <= width) + if (std::fabs(uwatern) <= width) return MAX_MAP_GENERATION_LIMIT; // Unsuitable spawn point } @@ -426,9 +427,9 @@ bool MapgenV7::getFloatlandMountainFromMap(int idx_xyz, int idx_xz, s16 y) { // Make rim 2 nodes thick to match floatland base terrain float density_gradient = (y >= floatland_level) ? - -pow((float)(y - floatland_level) / float_mount_height, + -std::pow((float)(y - floatland_level) / float_mount_height, float_mount_exponent) : - -pow((float)(floatland_level - 1 - y) / float_mount_height, + -std::pow((float)(floatland_level - 1 - y) / float_mount_height, float_mount_exponent); float floatn = noise_mountain->result[idx_xyz] + float_mount_density; @@ -456,7 +457,7 @@ void MapgenV7::floatBaseExtentFromMap(s16 *float_base_min, s16 *float_base_max, base_max = floatland_level - (amp - ridge * 2.0f) / 2.0f; } else { // Hills and ridges - float diff = fabs(amp - ridge) / ridge; + float diff = std::fabs(amp - ridge) / ridge; // Smooth ridges using the 'smoothstep function' float smooth_diff = diff * diff * (3.0f - 2.0f * diff); base_max = floatland_level + ridge - smooth_diff * ridge; @@ -569,7 +570,7 @@ void MapgenV7::generateRidgeTerrain() int j = (z - node_min.Z) * csize.X + (x - node_min.X); float uwatern = noise_ridge_uwater->result[j] * 2; - if (fabs(uwatern) > width) + if (std::fabs(uwatern) > width) continue; float altitude = y - water_level; |