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| author | paramat <mat.gregory@virginmedia.com> | 2015-01-19 11:03:54 +0000 |
|---|---|---|
| committer | kwolekr <kwolekr@minetest.net> | 2015-01-22 02:21:11 -0500 |
| commit | 1702c34b6406025802a4fbecd893c27827b3ce96 (patch) | |
| tree | 310167444921cc7ad81994e9726ed5ab6e89954b /src/mapgen_v7.cpp | |
| parent | 70354ac20b456f2cad3208e13ccb0a30980df39c (diff) | |
| download | minetest-1702c34b6406025802a4fbecd893c27827b3ce96.tar.gz minetest-1702c34b6406025802a4fbecd893c27827b3ce96.tar.bz2 minetest-1702c34b6406025802a4fbecd893c27827b3ce96.zip | |
Mgv7 generateRidgeTerrain: Make river generation relative to water level
Remove widthn and make nridge zero underwater
Diffstat (limited to 'src/mapgen_v7.cpp')
| -rw-r--r-- | src/mapgen_v7.cpp | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/src/mapgen_v7.cpp b/src/mapgen_v7.cpp index f13eee829..e8ca7809d 100644 --- a/src/mapgen_v7.cpp +++ b/src/mapgen_v7.cpp @@ -521,15 +521,10 @@ void MapgenV7::generateRidgeTerrain() if (fabs(uwatern) > width) continue; - float widthn = (noise_terrain_persist->result[j] - 0.6) / 0.1; - widthn = rangelim(widthn, -0.05, 0.5); - - float height_mod = (float)(y + 17) / 2.5; - float width_mod = (width - fabs(uwatern)); - float nridge = noise_ridge->result[index] * (float)y / 7.0; - - if (y < water_level) - nridge = -fabs(nridge) * 3.0 * widthn * 0.3; + float altitude = y - water_level; + float height_mod = (altitude + 17) / 2.5; + float width_mod = width - fabs(uwatern); + float nridge = noise_ridge->result[index] * MYMAX(altitude, 0) / 7.0; if (nridge + width_mod * height_mod < 0.6) continue; |