From 57eaf62c697cec91890d9cb28d10385d293d2d3f Mon Sep 17 00:00:00 2001 From: paramat Date: Fri, 21 Apr 2017 02:19:24 +0100 Subject: [PATCH] Mgflat, Mgv7: Only create noise objects if needed --- src/mapgen_flat.cpp | 10 +++++++--- src/mapgen_v7.cpp | 38 +++++++++++++++++++++++--------------- 2 files changed, 30 insertions(+), 18 deletions(-) diff --git a/src/mapgen_flat.cpp b/src/mapgen_flat.cpp index 3c6a112e2..c51b5e12e 100644 --- a/src/mapgen_flat.cpp +++ b/src/mapgen_flat.cpp @@ -60,10 +60,12 @@ MapgenFlat::MapgenFlat(int mapgenid, MapgenFlatParams *params, EmergeManager *em this->hill_threshold = params->hill_threshold; this->hill_steepness = params->hill_steepness; - //// 2D noise - noise_terrain = new Noise(¶ms->np_terrain, seed, csize.X, csize.Z); + // 2D noise noise_filler_depth = new Noise(¶ms->np_filler_depth, seed, csize.X, csize.Z); + if ((spflags & MGFLAT_LAKES) || (spflags & MGFLAT_HILLS)) + noise_terrain = new Noise(¶ms->np_terrain, seed, csize.X, csize.Z); + // 3D noise MapgenBasic::np_cave1 = params->np_cave1; MapgenBasic::np_cave2 = params->np_cave2; } @@ -136,7 +138,9 @@ void MapgenFlatParams::writeParams(Settings *settings) const int MapgenFlat::getSpawnLevelAtPoint(v2s16 p) { s16 level_at_point = ground_level; - float n_terrain = NoisePerlin2D(&noise_terrain->np, p.X, p.Y, seed); + float n_terrain = 0.0f; + if ((spflags & MGFLAT_LAKES) || (spflags & MGFLAT_HILLS)) + n_terrain = NoisePerlin2D(&noise_terrain->np, p.X, p.Y, seed); if ((spflags & MGFLAT_LAKES) && n_terrain < lake_threshold) { level_at_point = ground_level - diff --git a/src/mapgen_v7.cpp b/src/mapgen_v7.cpp index c9b6b48e0..c4583578f 100644 --- a/src/mapgen_v7.cpp +++ b/src/mapgen_v7.cpp @@ -64,22 +64,30 @@ MapgenV7::MapgenV7(int mapgenid, MapgenV7Params *params, EmergeManager *emerge) this->cavern_taper = params->cavern_taper; this->cavern_threshold = params->cavern_threshold; - //// Terrain noise - noise_terrain_base = new Noise(¶ms->np_terrain_base, seed, csize.X, csize.Z); - noise_terrain_alt = new Noise(¶ms->np_terrain_alt, seed, csize.X, csize.Z); - noise_terrain_persist = new Noise(¶ms->np_terrain_persist, seed, csize.X, csize.Z); - noise_height_select = new Noise(¶ms->np_height_select, seed, csize.X, csize.Z); - noise_filler_depth = new Noise(¶ms->np_filler_depth, seed, csize.X, csize.Z); - noise_mount_height = new Noise(¶ms->np_mount_height, seed, csize.X, csize.Z); - noise_ridge_uwater = new Noise(¶ms->np_ridge_uwater, seed, csize.X, csize.Z); - noise_floatland_base = new Noise(¶ms->np_floatland_base, seed, csize.X, csize.Z); - noise_float_base_height = new Noise(¶ms->np_float_base_height, seed, csize.X, csize.Z); + // 2D noise + noise_terrain_base = new Noise(¶ms->np_terrain_base, seed, csize.X, csize.Z); + noise_terrain_alt = new Noise(¶ms->np_terrain_alt, seed, csize.X, csize.Z); + noise_terrain_persist = new Noise(¶ms->np_terrain_persist, seed, csize.X, csize.Z); + noise_height_select = new Noise(¶ms->np_height_select, seed, csize.X, csize.Z); + noise_filler_depth = new Noise(¶ms->np_filler_depth, seed, csize.X, csize.Z); - //// 3d terrain noise - // 1-up 1-down overgeneration - noise_mountain = new Noise(¶ms->np_mountain, seed, csize.X, csize.Y + 2, csize.Z); - noise_ridge = new Noise(¶ms->np_ridge, seed, csize.X, csize.Y + 2, csize.Z); - // 1 down overgeneration + if (spflags & MGV7_MOUNTAINS) + noise_mount_height = new Noise(¶ms->np_mount_height, seed, csize.X, csize.Z); + + if (spflags & MGV7_FLOATLANDS) { + noise_floatland_base = new Noise(¶ms->np_floatland_base, seed, csize.X, csize.Z); + noise_float_base_height = new Noise(¶ms->np_float_base_height, seed, csize.X, csize.Z); + } + + if (spflags & MGV7_RIDGES) { + noise_ridge_uwater = new Noise(¶ms->np_ridge_uwater, seed, csize.X, csize.Z); + // 3D noise, 1-up 1-down overgeneration + noise_ridge = new Noise(¶ms->np_ridge, seed, csize.X, csize.Y + 2, csize.Z); + } + // 3D noise, 1 up, 1 down overgeneration + if ((spflags & MGV7_MOUNTAINS) || (spflags & MGV7_FLOATLANDS)) + noise_mountain = new Noise(¶ms->np_mountain, seed, csize.X, csize.Y + 2, csize.Z); + // 3D noise, 1 down overgeneration MapgenBasic::np_cave1 = params->np_cave1; MapgenBasic::np_cave2 = params->np_cave2; MapgenBasic::np_cavern = params->np_cavern;