From e45ecad3ab401e169d1c8c9ba9448360b215b3e5 Mon Sep 17 00:00:00 2001 From: paramat Date: Wed, 3 Jun 2015 08:59:07 +0100 Subject: [PATCH] Biome API: Add noise defined biome blend --- minetest.conf.example | 4 +++- src/mapgen.cpp | 4 ++++ src/mapgen.h | 4 ++++ src/mapgen_v5.cpp | 20 +++++++++++++++----- src/mapgen_v5.h | 3 +++ src/mapgen_v7.cpp | 29 +++++++++++++++++++++-------- src/mapgen_v7.h | 2 ++ 7 files changed, 52 insertions(+), 14 deletions(-) diff --git a/minetest.conf.example b/minetest.conf.example index f73dc3e27..2d533b91e 100644 --- a/minetest.conf.example +++ b/minetest.conf.example @@ -532,9 +532,11 @@ # Mgv5 uses eased noise for np_ground so this is shown in group format, # other noise parameters are shown in positional format to save space. -# Noise parameters for biome API temperature and humidity +# Noise parameters for biome API temperature, humidity and biome blend #mg_biome_np_heat = 50, 50, (750, 750, 750), 5349, 3, 0.5, 2.0 +#mg_biome_np_heat_blend = 0, 1.5, (8, 8, 8), 13, 2, 1.0, 2.0 #mg_biome_np_humidity = 50, 50, (750, 750, 750), 842, 3, 0.5, 2.0 +#mg_biome_np_humidity_blend = 0, 1.5, (8, 8, 8), 90003, 2, 1.0, 2.0 #mgv5_np_filler_depth = 0, 1, (150, 150, 150), 261, 4, 0.7, 2.0 #mgv5_np_factor = 0, 1, (250, 250, 250), 920381, 3, 0.45, 2.0 diff --git a/src/mapgen.cpp b/src/mapgen.cpp index 7965730e4..d1171e29d 100644 --- a/src/mapgen.cpp +++ b/src/mapgen.cpp @@ -445,7 +445,9 @@ void MapgenParams::load(const Settings &settings) settings.getS16NoEx("chunksize", chunksize); settings.getFlagStrNoEx("mg_flags", flags, flagdesc_mapgen); settings.getNoiseParams("mg_biome_np_heat", np_biome_heat); + settings.getNoiseParams("mg_biome_np_heat_blend", np_biome_heat_blend); settings.getNoiseParams("mg_biome_np_humidity", np_biome_humidity); + settings.getNoiseParams("mg_biome_np_humidity_blend", np_biome_humidity_blend); delete sparams; sparams = EmergeManager::createMapgenParams(mg_name); @@ -462,7 +464,9 @@ void MapgenParams::save(Settings &settings) const settings.setS16("chunksize", chunksize); settings.setFlagStr("mg_flags", flags, flagdesc_mapgen, (u32)-1); settings.setNoiseParams("mg_biome_np_heat", np_biome_heat); + settings.setNoiseParams("mg_biome_np_heat_blend", np_biome_heat_blend); settings.setNoiseParams("mg_biome_np_humidity", np_biome_humidity); + settings.setNoiseParams("mg_biome_np_humidity_blend", np_biome_humidity_blend); if (sparams) sparams->writeParams(&settings); diff --git a/src/mapgen.h b/src/mapgen.h index a875e0f3d..a1cc8af53 100644 --- a/src/mapgen.h +++ b/src/mapgen.h @@ -115,7 +115,9 @@ struct MapgenParams { u32 flags; NoiseParams np_biome_heat; + NoiseParams np_biome_heat_blend; NoiseParams np_biome_humidity; + NoiseParams np_biome_humidity_blend; MapgenSpecificParams *sparams; @@ -126,7 +128,9 @@ struct MapgenParams { water_level(1), flags(MG_TREES | MG_CAVES | MG_LIGHT), np_biome_heat(NoiseParams(50, 50, v3f(750.0, 750.0, 750.0), 5349, 3, 0.5, 2.0)), + np_biome_heat_blend(NoiseParams(0, 1.5, v3f(8.0, 8.0, 8.0), 13, 2, 1.0, 2.0)), np_biome_humidity(NoiseParams(50, 50, v3f(750.0, 750.0, 750.0), 842, 3, 0.5, 2.0)), + np_biome_humidity_blend(NoiseParams(0, 1.5, v3f(8.0, 8.0, 8.0), 90003, 2, 1.0, 2.0)), sparams(NULL) {} diff --git a/src/mapgen_v5.cpp b/src/mapgen_v5.cpp index 92febf43b..f748e7b86 100644 --- a/src/mapgen_v5.cpp +++ b/src/mapgen_v5.cpp @@ -68,13 +68,15 @@ MapgenV5::MapgenV5(int mapgenid, MapgenParams *params, EmergeManager *emerge) noise_height = new Noise(&sp->np_height, seed, csize.X, csize.Z); // 3D terrain noise - noise_cave1 = new Noise(&sp->np_cave1, seed, csize.X, csize.Y + 2, csize.Z); - noise_cave2 = new Noise(&sp->np_cave2, seed, csize.X, csize.Y + 2, csize.Z); - noise_ground = new Noise(&sp->np_ground, seed, csize.X, csize.Y + 2, csize.Z); + noise_cave1 = new Noise(&sp->np_cave1, seed, csize.X, csize.Y + 2, csize.Z); + noise_cave2 = new Noise(&sp->np_cave2, seed, csize.X, csize.Y + 2, csize.Z); + noise_ground = new Noise(&sp->np_ground, seed, csize.X, csize.Y + 2, csize.Z); // Biome noise - noise_heat = new Noise(¶ms->np_biome_heat, seed, csize.X, csize.Z); - noise_humidity = new Noise(¶ms->np_biome_humidity, seed, csize.X, csize.Z); + noise_heat = new Noise(¶ms->np_biome_heat, seed, csize.X, csize.Z); + noise_humidity = new Noise(¶ms->np_biome_humidity, seed, csize.X, csize.Z); + noise_heat_blend = new Noise(¶ms->np_biome_heat_blend, seed, csize.X, csize.Z); + noise_humidity_blend = new Noise(¶ms->np_biome_humidity_blend, seed, csize.X, csize.Z); //// Resolve nodes to be used INodeDefManager *ndef = emerge->ndef; @@ -116,6 +118,8 @@ MapgenV5::~MapgenV5() delete noise_heat; delete noise_humidity; + delete noise_heat_blend; + delete noise_humidity_blend; delete[] heightmap; delete[] biomemap; @@ -330,7 +334,13 @@ void MapgenV5::calculateNoise() noise_filler_depth->perlinMap2D(x, z); noise_heat->perlinMap2D(x, z); noise_humidity->perlinMap2D(x, z); + noise_heat_blend->perlinMap2D(x, z); + noise_humidity_blend->perlinMap2D(x, z); + for (s32 i = 0; i < csize.X * csize.Z; i++) { + noise_heat->result[i] += noise_heat_blend->result[i]; + noise_humidity->result[i] += noise_humidity_blend->result[i]; + } //printf("calculateNoise: %dus\n", t.stop()); } diff --git a/src/mapgen_v5.h b/src/mapgen_v5.h index 5575dfe61..911975e7f 100644 --- a/src/mapgen_v5.h +++ b/src/mapgen_v5.h @@ -69,8 +69,11 @@ public: Noise *noise_cave1; Noise *noise_cave2; Noise *noise_ground; + Noise *noise_heat; Noise *noise_humidity; + Noise *noise_heat_blend; + Noise *noise_humidity_blend; content_t c_stone; content_t c_water_source; diff --git a/src/mapgen_v7.cpp b/src/mapgen_v7.cpp index 247d9debc..6e97c2c16 100644 --- a/src/mapgen_v7.cpp +++ b/src/mapgen_v7.cpp @@ -82,8 +82,10 @@ MapgenV7::MapgenV7(int mapgenid, MapgenParams *params, EmergeManager *emerge) noise_cave2 = new Noise(&sp->np_cave2, seed, csize.X, csize.Y + 2, csize.Z); //// Biome noise - noise_heat = new Noise(¶ms->np_biome_heat, seed, csize.X, csize.Z); - noise_humidity = new Noise(¶ms->np_biome_humidity, seed, csize.X, csize.Z); + noise_heat = new Noise(¶ms->np_biome_heat, seed, csize.X, csize.Z); + noise_humidity = new Noise(¶ms->np_biome_humidity, seed, csize.X, csize.Z); + noise_heat_blend = new Noise(¶ms->np_biome_heat_blend, seed, csize.X, csize.Z); + noise_humidity_blend = new Noise(¶ms->np_biome_humidity_blend, seed, csize.X, csize.Z); //// Resolve nodes to be used INodeDefManager *ndef = emerge->ndef; @@ -130,6 +132,8 @@ MapgenV7::~MapgenV7() delete noise_heat; delete noise_humidity; + delete noise_heat_blend; + delete noise_humidity_blend; delete[] ridge_heightmap; delete[] heightmap; @@ -227,11 +231,11 @@ void MapgenV7::makeChunk(BlockMakeData *data) assert(data->vmanip); assert(data->nodedef); assert(data->blockpos_requested.X >= data->blockpos_min.X && - data->blockpos_requested.Y >= data->blockpos_min.Y && - data->blockpos_requested.Z >= data->blockpos_min.Z); + data->blockpos_requested.Y >= data->blockpos_min.Y && + data->blockpos_requested.Z >= data->blockpos_min.Z); assert(data->blockpos_requested.X <= data->blockpos_max.X && - data->blockpos_requested.Y <= data->blockpos_max.Y && - data->blockpos_requested.Z <= data->blockpos_max.Z); + data->blockpos_requested.Y <= data->blockpos_max.Y && + data->blockpos_requested.Z <= data->blockpos_max.Z); this->generating = true; this->vm = data->vmanip; @@ -365,14 +369,23 @@ void MapgenV7::calculateNoise() noise_filler_depth->perlinMap2D(x, z); noise_heat->perlinMap2D(x, z); noise_humidity->perlinMap2D(x, z); + noise_heat_blend->perlinMap2D(x, z); + noise_humidity_blend->perlinMap2D(x, z); + + for (s32 i = 0; i < csize.X * csize.Z; i++) { + noise_heat->result[i] += noise_heat_blend->result[i]; + noise_humidity->result[i] += noise_humidity_blend->result[i]; + } //printf("calculateNoise: %dus\n", t.stop()); } Biome *MapgenV7::getBiomeAtPoint(v3s16 p) { - float heat = NoisePerlin2D(&noise_heat->np, p.X, p.Z, seed); - float humidity = NoisePerlin2D(&noise_humidity->np, p.X, p.Z, seed); + float heat = NoisePerlin2D(&noise_heat->np, p.X, p.Z, seed) + + NoisePerlin2D(&noise_heat_blend->np, p.X, p.Z, seed); + float humidity = NoisePerlin2D(&noise_humidity->np, p.X, p.Z, seed) + + NoisePerlin2D(&noise_humidity_blend->np, p.X, p.Z, seed); s16 groundlevel = baseTerrainLevelAtPoint(p.X, p.Z); return bmgr->getBiome(heat, humidity, groundlevel); diff --git a/src/mapgen_v7.h b/src/mapgen_v7.h index eb46c371b..0a8a8c876 100644 --- a/src/mapgen_v7.h +++ b/src/mapgen_v7.h @@ -82,6 +82,8 @@ public: Noise *noise_heat; Noise *noise_humidity; + Noise *noise_heat_blend; + Noise *noise_humidity_blend; content_t c_stone; content_t c_water_source; -- 2.25.1