mirror of
https://github.com/moparisthebest/minetest
synced 2024-12-23 08:08:47 -05:00
Add flags and lacunarity as new noise parameters
Add 'absolute value' option to noise map functions Extend persistence modulation to 3D noise Extend 'eased' option to noise2d_perlin* functions Some noise.cpp formatting fixups
This commit is contained in:
kwolekr
parent
638f3a8454
commit
2fd3d52020
@ -24,7 +24,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include "mapgen_v7.h"
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#include "cavegen.h"
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NoiseParams nparams_caveliquids(0, 1, v3f(150.0, 150.0, 150.0), 776, 3, 0.6);
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NoiseParams nparams_caveliquids(0, 1, v3f(150.0, 150.0, 150.0), 776, 3, 0.6, 2.0);
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///////////////////////////////////////////////////////////////////////////////
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@ -31,9 +31,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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//#define DGEN_USE_TORCHES
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NoiseParams nparams_dungeon_rarity(0.0, 1.0, v3f(500.0, 500.0, 500.0), 0, 2, 0.8);
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NoiseParams nparams_dungeon_wetness(0.0, 1.0, v3f(40.0, 40.0, 40.0), 32474, 4, 1.1);
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NoiseParams nparams_dungeon_density(0.0, 1.0, v3f(2.5, 2.5, 2.5), 0, 2, 1.4);
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NoiseParams nparams_dungeon_rarity(0.0, 1.0, v3f(500.0, 500.0, 500.0), 0, 2, 0.8, 2.0);
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NoiseParams nparams_dungeon_wetness(0.0, 1.0, v3f(40.0, 40.0, 40.0), 32474, 4, 1.1, 2.0);
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NoiseParams nparams_dungeon_density(0.0, 1.0, v3f(2.5, 2.5, 2.5), 0, 2, 1.4, 2.0);
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///////////////////////////////////////////////////////////////////////////////
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@ -130,14 +130,14 @@ MapgenV5::~MapgenV5() {
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MapgenV5Params::MapgenV5Params() {
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spflags = MGV5_BLOBS;
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np_filler_depth = NoiseParams(0, 1, v3f(150, 150, 150), 261, 4, 0.7);
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np_factor = NoiseParams(0, 1, v3f(250, 250, 250), 920381, 3, 0.45);
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np_height = NoiseParams(0, 10, v3f(250, 250, 250), 84174, 4, 0.5);
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np_cave1 = NoiseParams(0, 6, v3f(50, 50, 50), 52534, 4, 0.5);
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np_cave2 = NoiseParams(0, 6, v3f(50, 50, 50), 10325, 4, 0.5);
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np_ground = NoiseParams(0, 40, v3f(80, 80, 80), 983240, 4, 0.55);
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np_crumble = NoiseParams(0, 1, v3f(20, 20, 20), 34413, 3, 1.3);
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np_wetness = NoiseParams(0, 1, v3f(40, 40, 40), 32474, 4, 1.1);
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np_filler_depth = NoiseParams(0, 1, v3f(150, 150, 150), 261, 4, 0.7, 2.0);
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np_factor = NoiseParams(0, 1, v3f(250, 250, 250), 920381, 3, 0.45, 2.0);
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np_height = NoiseParams(0, 10, v3f(250, 250, 250), 84174, 4, 0.5, 2.0);
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np_cave1 = NoiseParams(0, 6, v3f(50, 50, 50), 52534, 4, 0.5, 2.0, NOISE_FLAG_EASED);
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np_cave2 = NoiseParams(0, 6, v3f(50, 50, 50), 10325, 4, 0.5, 2.0, NOISE_FLAG_EASED);
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np_ground = NoiseParams(0, 40, v3f(80, 80, 80), 983240, 4, 0.55, 2.0, NOISE_FLAG_EASED);
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np_crumble = NoiseParams(0, 1, v3f(20, 20, 20), 34413, 3, 1.3, 2.0, NOISE_FLAG_EASED);
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np_wetness = NoiseParams(0, 1, v3f(40, 40, 40), 32474, 4, 1.1, 2.0);
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}
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@ -301,16 +301,16 @@ void MapgenV5::calculateNoise() {
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noise_height->perlinMap2D(x, z);
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noise_height->transformNoiseMap();
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noise_cave1->perlinMap3D(x, y, z, true);
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noise_cave1->perlinMap3D(x, y, z);
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noise_cave1->transformNoiseMap();
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noise_cave2->perlinMap3D(x, y, z, true);
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noise_cave2->perlinMap3D(x, y, z);
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noise_cave2->transformNoiseMap();
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noise_ground->perlinMap3D(x, y, z, true);
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noise_ground->perlinMap3D(x, y, z);
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noise_ground->transformNoiseMap();
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if (spflags & MGV5_BLOBS) {
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noise_crumble->perlinMap3D(x, y, z, true);
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noise_wetness->perlinMap3D(x, y, z, false);
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noise_crumble->perlinMap3D(x, y, z);
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noise_wetness->perlinMap3D(x, y, z);
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}
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noise_heat->perlinMap2D(x, z);
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@ -122,17 +122,17 @@ MapgenV6Params::MapgenV6Params() {
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freq_desert = 0.45;
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freq_beach = 0.15;
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np_terrain_base = NoiseParams(-4, 20.0, v3f(250.0, 250.0, 250.0), 82341, 5, 0.6);
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np_terrain_higher = NoiseParams(20, 16.0, v3f(500.0, 500.0, 500.0), 85039, 5, 0.6);
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np_steepness = NoiseParams(0.85,0.5, v3f(125.0, 125.0, 125.0), -932, 5, 0.7);
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np_height_select = NoiseParams(0.5, 1.0, v3f(250.0, 250.0, 250.0), 4213, 5, 0.69);
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np_mud = NoiseParams(4, 2.0, v3f(200.0, 200.0, 200.0), 91013, 3, 0.55);
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np_beach = NoiseParams(0, 1.0, v3f(250.0, 250.0, 250.0), 59420, 3, 0.50);
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np_biome = NoiseParams(0, 1.0, v3f(250.0, 250.0, 250.0), 9130, 3, 0.50);
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np_cave = NoiseParams(6, 6.0, v3f(250.0, 250.0, 250.0), 34329, 3, 0.50);
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np_humidity = NoiseParams(0.5, 0.5, v3f(500.0, 500.0, 500.0), 72384, 4, 0.66);
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np_trees = NoiseParams(0, 1.0, v3f(125.0, 125.0, 125.0), 2, 4, 0.66);
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np_apple_trees = NoiseParams(0, 1.0, v3f(100.0, 100.0, 100.0), 342902, 3, 0.45);
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np_terrain_base = NoiseParams(-4, 20.0, v3f(250.0, 250.0, 250.0), 82341, 5, 0.6, 2.0);
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np_terrain_higher = NoiseParams(20, 16.0, v3f(500.0, 500.0, 500.0), 85039, 5, 0.6, 2.0);
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np_steepness = NoiseParams(0.85,0.5, v3f(125.0, 125.0, 125.0), -932, 5, 0.7, 2.0);
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np_height_select = NoiseParams(0.5, 1.0, v3f(250.0, 250.0, 250.0), 4213, 5, 0.69, 2.0);
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np_mud = NoiseParams(4, 2.0, v3f(200.0, 200.0, 200.0), 91013, 3, 0.55, 2.0);
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np_beach = NoiseParams(0, 1.0, v3f(250.0, 250.0, 250.0), 59420, 3, 0.50, 2.0);
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np_biome = NoiseParams(0, 1.0, v3f(250.0, 250.0, 250.0), 9130, 3, 0.50, 2.0);
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np_cave = NoiseParams(6, 6.0, v3f(250.0, 250.0, 250.0), 34329, 3, 0.50, 2.0);
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np_humidity = NoiseParams(0.5, 0.5, v3f(500.0, 500.0, 500.0), 72384, 4, 0.66, 2.0);
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np_trees = NoiseParams(0, 1.0, v3f(125.0, 125.0, 125.0), 2, 4, 0.66, 2.0);
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np_apple_trees = NoiseParams(0, 1.0, v3f(100.0, 100.0, 100.0), 342902, 3, 0.45, 2.0);
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}
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@ -122,15 +122,15 @@ MapgenV7::~MapgenV7() {
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MapgenV7Params::MapgenV7Params() {
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spflags = MGV7_MOUNTAINS | MGV7_RIDGES;
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np_terrain_base = NoiseParams(4, 70, v3f(300, 300, 300), 82341, 6, 0.7);
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np_terrain_alt = NoiseParams(4, 25, v3f(600, 600, 600), 5934, 5, 0.6);
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np_terrain_persist = NoiseParams(0.6, 0.1, v3f(500, 500, 500), 539, 3, 0.6);
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np_height_select = NoiseParams(-0.5, 1, v3f(250, 250, 250), 4213, 5, 0.69);
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np_filler_depth = NoiseParams(0, 1.2, v3f(150, 150, 150), 261, 4, 0.7);
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np_mount_height = NoiseParams(100, 30, v3f(500, 500, 500), 72449, 4, 0.6);
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np_ridge_uwater = NoiseParams(0, 1, v3f(500, 500, 500), 85039, 4, 0.6);
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np_mountain = NoiseParams(0, 1, v3f(250, 350, 250), 5333, 5, 0.68);
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np_ridge = NoiseParams(0, 1, v3f(100, 100, 100), 6467, 4, 0.75);
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np_terrain_base = NoiseParams(4, 70, v3f(300, 300, 300), 82341, 6, 0.7, 2.0);
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np_terrain_alt = NoiseParams(4, 25, v3f(600, 600, 600), 5934, 5, 0.6, 2.0);
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np_terrain_persist = NoiseParams(0.6, 0.1, v3f(500, 500, 500), 539, 3, 0.6, 2.0);
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np_height_select = NoiseParams(-0.5, 1, v3f(250, 250, 250), 4213, 5, 0.69, 2.0);
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np_filler_depth = NoiseParams(0, 1.2, v3f(150, 150, 150), 261, 4, 0.7, 2.0);
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np_mount_height = NoiseParams(100, 30, v3f(500, 500, 500), 72449, 4, 0.6, 2.0);
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np_ridge_uwater = NoiseParams(0, 1, v3f(500, 500, 500), 85039, 4, 0.6, 2.0);
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np_mountain = NoiseParams(0, 1, v3f(250, 350, 250), 5333, 5, 0.68, 2.0);
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np_ridge = NoiseParams(0, 1, v3f(100, 100, 100), 6467, 4, 0.75, 2.0);
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}
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@ -278,10 +278,10 @@ void MapgenV7::calculateNoise() {
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for (int i = 0; i != csize.X * csize.Z; i++)
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persistmap[i] = rangelim(persistmap[i], 0.4, 0.9);
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noise_terrain_base->perlinMap2DModulated(x, z, persistmap);
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noise_terrain_base->perlinMap2D(x, z, persistmap);
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noise_terrain_base->transformNoiseMap();
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noise_terrain_alt->perlinMap2DModulated(x, z, persistmap);
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noise_terrain_alt->perlinMap2D(x, z, persistmap);
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noise_terrain_alt->transformNoiseMap();
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noise_filler_depth->perlinMap2D(x, z);
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@ -728,7 +728,7 @@ void MapgenV7::addTopNodes() {
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#endif
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NoiseParams nparams_v7_def_cave(6, 6.0, v3f(250.0, 250.0, 250.0), 34329, 3, 0.50);
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NoiseParams nparams_v7_def_cave(6, 6.0, v3f(250.0, 250.0, 250.0), 34329, 3, 0.50, 2.0);
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void MapgenV7::generateCaves(int max_stone_y) {
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PseudoRandom ps(blockseed + 21343);
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@ -29,8 +29,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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const char *BiomeManager::ELEMENT_TITLE = "biome";
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NoiseParams nparams_biome_def_heat(50, 50, v3f(500.0, 500.0, 500.0), 5349, 3, 0.70);
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NoiseParams nparams_biome_def_humidity(50, 50, v3f(500.0, 500.0, 500.0), 842, 3, 0.55);
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NoiseParams nparams_biome_def_heat(50, 50, v3f(500.0, 500.0, 500.0), 5349, 3, 0.70, 2.0);
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NoiseParams nparams_biome_def_humidity(50, 50, v3f(500.0, 500.0, 500.0), 842, 3, 0.55, 2.0);
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///////////////////////////////////////////////////////////////////////////////
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264
src/noise.cpp
264
src/noise.cpp
@ -29,6 +29,7 @@
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#include <string.h> // memset
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#include "debug.h"
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#include "util/numeric.h"
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#include "util/string.h"
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#include "exceptions.h"
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#define NOISE_MAGIC_X 1619
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@ -36,6 +37,10 @@
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#define NOISE_MAGIC_Z 52591
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#define NOISE_MAGIC_SEED 1013
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typedef float (*Interp2dFxn)(
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float v00, float v10, float v01, float v11,
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float x, float y);
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typedef float (*Interp3dFxn)(
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float v000, float v100, float v010, float v110,
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float v001, float v101, float v011, float v111,
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@ -46,11 +51,18 @@ float cos_lookup[16] = {
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1.0, -0.9238, -0.7071, -0.3826, 0, 0.3826, 0.7071, 0.9238
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};
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FlagDesc flagdesc_noiseparams[] = {
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{"defaults", NOISE_FLAG_DEFAULTS},
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{"eased", NOISE_FLAG_EASED},
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{"absvalue", NOISE_FLAG_ABSVALUE},
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{"pointbuffer", NOISE_FLAG_POINTBUFFER},
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{"simplex", NOISE_FLAG_SIMPLEX},
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{NULL, 0}
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};
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///////////////////////////////////////////////////////////////////////////////
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//noise poly: p(n) = 60493n^3 + 19990303n + 137612589
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float noise2d(int x, int y, int seed)
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{
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int n = (NOISE_MAGIC_X * x + NOISE_MAGIC_Y * y
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@ -79,95 +91,85 @@ float dotProduct(float vx, float vy, float wx, float wy)
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inline float linearInterpolation(float v0, float v1, float t)
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{
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return v0 + (v1 - v0) * t;
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return v0 + (v1 - v0) * t;
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}
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float biLinearInterpolation(
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float v00, float v10,
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float v01, float v11,
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float x, float y)
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float v00, float v10,
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float v01, float v11,
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float x, float y)
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{
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float tx = easeCurve(x);
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float ty = easeCurve(y);
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float u = linearInterpolation(v00, v10, tx);
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float v = linearInterpolation(v01, v11, tx);
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return linearInterpolation(u, v, ty);
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float tx = easeCurve(x);
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float ty = easeCurve(y);
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return (
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v00 * (1 - tx) * (1 - ty) +
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v10 * tx * (1 - ty) +
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v01 * (1 - tx) * ty +
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v11 * tx * ty
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);
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//float u = linearInterpolation(v00, v10, x);
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//float v = linearInterpolation(v01, v11, x);
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//return linearInterpolation(u, v, y);
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}
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float biLinearInterpolationNoEase(
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float x0y0, float x1y0,
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float x0y1, float x1y1,
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float x, float y)
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float v00, float v10,
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float v01, float v11,
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float x, float y)
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{
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float u = linearInterpolation(x0y0, x1y0, x);
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float v = linearInterpolation(x0y1, x1y1, x);
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return linearInterpolation(u, v, y);
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float tx = x;
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float ty = y;
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return (
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v00 * (1 - tx) * (1 - ty) +
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v10 * tx * (1 - ty) +
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v01 * (1 - tx) * ty +
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v11 * tx * ty
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);
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}
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/*
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float triLinearInterpolation(
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float v000, float v100, float v010, float v110,
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float v001, float v101, float v011, float v111,
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float x, float y, float z)
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{
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float u = biLinearInterpolation(v000, v100, v010, v110, x, y);
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float v = biLinearInterpolation(v001, v101, v011, v111, x, y);
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return linearInterpolation(u, v, z);
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}
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float triLinearInterpolationNoEase(
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float v000, float v100, float v010, float v110,
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float v001, float v101, float v011, float v111,
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float x, float y, float z)
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{
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float u = biLinearInterpolationNoEase(v000, v100, v010, v110, x, y);
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float v = biLinearInterpolationNoEase(v001, v101, v011, v111, x, y);
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return linearInterpolation(u, v, z);
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}
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*/
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float triLinearInterpolation(
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float v000, float v100, float v010, float v110,
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float v001, float v101, float v011, float v111,
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float x, float y, float z)
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float v000, float v100, float v010, float v110,
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float v001, float v101, float v011, float v111,
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float x, float y, float z)
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{
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float tx = easeCurve(x);
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float ty = easeCurve(y);
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float tz = easeCurve(z);
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return (
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v000 * (1 - tx) * (1 - ty) * (1 - tz) +
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v100 * tx * (1 - ty) * (1 - tz) +
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v010 * (1 - tx) * ty * (1 - tz) +
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v110 * tx * ty * (1 - tz) +
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v001 * (1 - tx) * (1 - ty) * tz +
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v101 * tx * (1 - ty) * tz +
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v011 * (1 - tx) * ty * tz +
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v111 * tx * ty * tz
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v100 * tx * (1 - ty) * (1 - tz) +
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v010 * (1 - tx) * ty * (1 - tz) +
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v110 * tx * ty * (1 - tz) +
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v001 * (1 - tx) * (1 - ty) * tz +
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v101 * tx * (1 - ty) * tz +
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v011 * (1 - tx) * ty * tz +
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v111 * tx * ty * tz
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);
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//float u = biLinearInterpolation(v000, v100, v010, v110, x, y);
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//float v = biLinearInterpolation(v001, v101, v011, v111, x, y);
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//return linearInterpolation(u, v, z);
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}
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float triLinearInterpolationNoEase(
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float v000, float v100, float v010, float v110,
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float v001, float v101, float v011, float v111,
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float x, float y, float z)
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float v000, float v100, float v010, float v110,
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float v001, float v101, float v011, float v111,
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float x, float y, float z)
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{
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float tx = x;
|
||||
float ty = y;
|
||||
float tz = z;
|
||||
return (
|
||||
v000 * (1 - tx) * (1 - ty) * (1 - tz) +
|
||||
v100 * tx * (1 - ty) * (1 - tz) +
|
||||
v010 * (1 - tx) * ty * (1 - tz) +
|
||||
v110 * tx * ty * (1 - tz) +
|
||||
v001 * (1 - tx) * (1 - ty) * tz +
|
||||
v101 * tx * (1 - ty) * tz +
|
||||
v011 * (1 - tx) * ty * tz +
|
||||
v111 * tx * ty * tz
|
||||
v100 * tx * (1 - ty) * (1 - tz) +
|
||||
v010 * (1 - tx) * ty * (1 - tz) +
|
||||
v110 * tx * ty * (1 - tz) +
|
||||
v001 * (1 - tx) * (1 - ty) * tz +
|
||||
v101 * tx * (1 - ty) * tz +
|
||||
v011 * (1 - tx) * ty * tz +
|
||||
v111 * tx * ty * tz
|
||||
);
|
||||
}
|
||||
|
||||
@ -198,7 +200,7 @@ float noise2d_gradient(float x, float y, int seed)
|
||||
#endif
|
||||
|
||||
|
||||
float noise2d_gradient(float x, float y, int seed)
|
||||
float noise2d_gradient(float x, float y, int seed, bool eased)
|
||||
{
|
||||
// Calculate the integer coordinates
|
||||
int x0 = myfloor(x);
|
||||
@ -212,7 +214,10 @@ float noise2d_gradient(float x, float y, int seed)
|
||||
float v01 = noise2d(x0, y0+1, seed);
|
||||
float v11 = noise2d(x0+1, y0+1, seed);
|
||||
// Interpolate
|
||||
return biLinearInterpolation(v00, v10, v01, v11, xl, yl);
|
||||
if (eased)
|
||||
return biLinearInterpolation(v00, v10, v01, v11, xl, yl);
|
||||
else
|
||||
return biLinearInterpolationNoEase(v00, v10, v01, v11, xl, yl);
|
||||
}
|
||||
|
||||
|
||||
@ -251,14 +256,14 @@ float noise3d_gradient(float x, float y, float z, int seed, bool eased)
|
||||
|
||||
|
||||
float noise2d_perlin(float x, float y, int seed,
|
||||
int octaves, float persistence)
|
||||
int octaves, float persistence, bool eased)
|
||||
{
|
||||
float a = 0;
|
||||
float f = 1.0;
|
||||
float g = 1.0;
|
||||
for (int i = 0; i < octaves; i++)
|
||||
{
|
||||
a += g * noise2d_gradient(x * f, y * f, seed + i);
|
||||
a += g * noise2d_gradient(x * f, y * f, seed + i, eased);
|
||||
f *= 2.0;
|
||||
g *= persistence;
|
||||
}
|
||||
@ -267,14 +272,13 @@ float noise2d_perlin(float x, float y, int seed,
|
||||
|
||||
|
||||
float noise2d_perlin_abs(float x, float y, int seed,
|
||||
int octaves, float persistence)
|
||||
int octaves, float persistence, bool eased)
|
||||
{
|
||||
float a = 0;
|
||||
float f = 1.0;
|
||||
float g = 1.0;
|
||||
for (int i = 0; i < octaves; i++)
|
||||
{
|
||||
a += g * fabs(noise2d_gradient(x * f, y * f, seed + i));
|
||||
for (int i = 0; i < octaves; i++) {
|
||||
a += g * fabs(noise2d_gradient(x * f, y * f, seed + i, eased));
|
||||
f *= 2.0;
|
||||
g *= persistence;
|
||||
}
|
||||
@ -283,13 +287,12 @@ float noise2d_perlin_abs(float x, float y, int seed,
|
||||
|
||||
|
||||
float noise3d_perlin(float x, float y, float z, int seed,
|
||||
int octaves, float persistence, bool eased)
|
||||
int octaves, float persistence, bool eased)
|
||||
{
|
||||
float a = 0;
|
||||
float f = 1.0;
|
||||
float g = 1.0;
|
||||
for (int i = 0; i < octaves; i++)
|
||||
{
|
||||
for (int i = 0; i < octaves; i++) {
|
||||
a += g * noise3d_gradient(x * f, y * f, z * f, seed + i, eased);
|
||||
f *= 2.0;
|
||||
g *= persistence;
|
||||
@ -299,13 +302,12 @@ float noise3d_perlin(float x, float y, float z, int seed,
|
||||
|
||||
|
||||
float noise3d_perlin_abs(float x, float y, float z, int seed,
|
||||
int octaves, float persistence, bool eased)
|
||||
int octaves, float persistence, bool eased)
|
||||
{
|
||||
float a = 0;
|
||||
float f = 1.0;
|
||||
float g = 1.0;
|
||||
for (int i = 0; i < octaves; i++)
|
||||
{
|
||||
for (int i = 0; i < octaves; i++) {
|
||||
a += g * fabs(noise3d_gradient(x * f, y * f, z * f, seed + i, eased));
|
||||
f *= 2.0;
|
||||
g *= persistence;
|
||||
@ -317,7 +319,7 @@ float noise3d_perlin_abs(float x, float y, float z, int seed,
|
||||
float contour(float v)
|
||||
{
|
||||
v = fabs(v);
|
||||
if(v >= 1.0)
|
||||
if (v >= 1.0)
|
||||
return 0.0;
|
||||
return (1.0 - v);
|
||||
}
|
||||
@ -335,6 +337,12 @@ Noise::Noise(NoiseParams *np, int seed, int sx, int sy, int sz)
|
||||
this->sz = sz;
|
||||
|
||||
this->noisebuf = NULL;
|
||||
|
||||
if (np->flags & NOISE_FLAG_DEFAULTS) {
|
||||
// By default, only 2d noise is eased.
|
||||
if (sz == 1)
|
||||
np->flags |= NOISE_FLAG_EASED;
|
||||
}
|
||||
resizeNoiseBuf(sz > 1);
|
||||
|
||||
try {
|
||||
@ -437,6 +445,9 @@ void Noise::gradientMap2D(
|
||||
int index, i, j, x0, y0, noisex, noisey;
|
||||
int nlx, nly;
|
||||
|
||||
Interp2dFxn interpolate = (np->flags & NOISE_FLAG_EASED) ?
|
||||
biLinearInterpolation : biLinearInterpolationNoEase;
|
||||
|
||||
x0 = floor(x);
|
||||
y0 = floor(y);
|
||||
u = x - (float)x0;
|
||||
@ -463,7 +474,7 @@ void Noise::gradientMap2D(
|
||||
u = orig_u;
|
||||
noisex = 0;
|
||||
for (i = 0; i != sx; i++) {
|
||||
buf[index++] = biLinearInterpolation(v00, v10, v01, v11, u, v);
|
||||
buf[index++] = interpolate(v00, v10, v01, v11, u, v);
|
||||
u += step_x;
|
||||
if (u >= 1.0) {
|
||||
u -= 1.0;
|
||||
@ -489,7 +500,7 @@ void Noise::gradientMap2D(
|
||||
void Noise::gradientMap3D(
|
||||
float x, float y, float z,
|
||||
float step_x, float step_y, float step_z,
|
||||
int seed, bool eased)
|
||||
int seed)
|
||||
{
|
||||
float v000, v010, v100, v110;
|
||||
float v001, v011, v101, v111;
|
||||
@ -497,7 +508,7 @@ void Noise::gradientMap3D(
|
||||
int index, i, j, k, x0, y0, z0, noisex, noisey, noisez;
|
||||
int nlx, nly, nlz;
|
||||
|
||||
Interp3dFxn interpolate = eased ?
|
||||
Interp3dFxn interpolate = (np->flags & NOISE_FLAG_EASED) ?
|
||||
triLinearInterpolation : triLinearInterpolationNoEase;
|
||||
|
||||
x0 = floor(x);
|
||||
@ -576,7 +587,7 @@ void Noise::gradientMap3D(
|
||||
#undef idx
|
||||
|
||||
|
||||
float *Noise::perlinMap2D(float x, float y)
|
||||
float *Noise::perlinMap2D(float x, float y, float *persistence_map)
|
||||
{
|
||||
float f = 1.0, g = 1.0;
|
||||
size_t bufsize = sx * sy;
|
||||
@ -586,55 +597,30 @@ float *Noise::perlinMap2D(float x, float y)
|
||||
|
||||
memset(result, 0, sizeof(float) * bufsize);
|
||||
|
||||
for (int oct = 0; oct < np->octaves; oct++) {
|
||||
float *gmap = NULL;
|
||||
if (persistence_map) {
|
||||
gmap = new float[bufsize];
|
||||
for (size_t i = 0; i != bufsize; i++)
|
||||
gmap[i] = 1.0;
|
||||
}
|
||||
|
||||
for (size_t oct = 0; oct < np->octaves; oct++) {
|
||||
gradientMap2D(x * f, y * f,
|
||||
f / np->spread.X, f / np->spread.Y,
|
||||
seed + np->seed + oct);
|
||||
|
||||
for (size_t i = 0; i != bufsize; i++)
|
||||
result[i] += g * buf[i];
|
||||
updateResults(g, gmap, persistence_map, bufsize);
|
||||
|
||||
f *= 2.0;
|
||||
f *= np->lacunarity;
|
||||
g *= np->persist;
|
||||
}
|
||||
|
||||
delete[] gmap;
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
float *Noise::perlinMap2DModulated(float x, float y, float *persist_map)
|
||||
{
|
||||
float f = 1.0;
|
||||
size_t bufsize = sx * sy;
|
||||
|
||||
x /= np->spread.X;
|
||||
y /= np->spread.Y;
|
||||
|
||||
memset(result, 0, sizeof(float) * bufsize);
|
||||
|
||||
float *g = new float[bufsize];
|
||||
for (size_t i = 0; i != bufsize; i++)
|
||||
g[i] = 1.0;
|
||||
|
||||
for (int oct = 0; oct < np->octaves; oct++) {
|
||||
gradientMap2D(x * f, y * f,
|
||||
f / np->spread.X, f / np->spread.Y,
|
||||
seed + np->seed + oct);
|
||||
|
||||
for (size_t i = 0; i != bufsize; i++) {
|
||||
result[i] += g[i] * buf[i];
|
||||
g[i] *= persist_map[i];
|
||||
}
|
||||
|
||||
f *= 2.0;
|
||||
}
|
||||
|
||||
delete[] g;
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
float *Noise::perlinMap3D(float x, float y, float z, bool eased)
|
||||
float *Noise::perlinMap3D(float x, float y, float z, float *persistence_map)
|
||||
{
|
||||
float f = 1.0, g = 1.0;
|
||||
size_t bufsize = sx * sy * sz;
|
||||
@ -645,22 +631,58 @@ float *Noise::perlinMap3D(float x, float y, float z, bool eased)
|
||||
|
||||
memset(result, 0, sizeof(float) * bufsize);
|
||||
|
||||
for (int oct = 0; oct < np->octaves; oct++) {
|
||||
float *gmap = NULL;
|
||||
if (persistence_map) {
|
||||
gmap = new float[bufsize];
|
||||
for (size_t i = 0; i != bufsize; i++)
|
||||
gmap[i] = 1.0;
|
||||
}
|
||||
|
||||
for (size_t oct = 0; oct < np->octaves; oct++) {
|
||||
gradientMap3D(x * f, y * f, z * f,
|
||||
f / np->spread.X, f / np->spread.Y, f / np->spread.Z,
|
||||
seed + np->seed + oct, eased);
|
||||
seed + np->seed + oct);
|
||||
|
||||
for (size_t i = 0; i != bufsize; i++)
|
||||
result[i] += g * buf[i];
|
||||
updateResults(g, gmap, persistence_map, bufsize);
|
||||
|
||||
f *= 2.0;
|
||||
f *= np->lacunarity;
|
||||
g *= np->persist;
|
||||
}
|
||||
|
||||
delete[] gmap;
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
void Noise::updateResults(float g, float *gmap,
|
||||
float *persistence_map, size_t bufsize)
|
||||
{
|
||||
// This looks very ugly, but it is 50-70% faster than having
|
||||
// conditional statements inside the loop
|
||||
if (np->flags & NOISE_FLAG_ABSVALUE) {
|
||||
if (persistence_map) {
|
||||
for (size_t i = 0; i != bufsize; i++) {
|
||||
result[i] += gmap[i] * fabs(buf[i]);
|
||||
gmap[i] *= persistence_map[i];
|
||||
}
|
||||
} else {
|
||||
for (size_t i = 0; i != bufsize; i++)
|
||||
result[i] += g * fabs(buf[i]);
|
||||
}
|
||||
} else {
|
||||
if (persistence_map) {
|
||||
for (size_t i = 0; i != bufsize; i++) {
|
||||
result[i] += gmap[i] * buf[i];
|
||||
gmap[i] *= persistence_map[i];
|
||||
}
|
||||
} else {
|
||||
for (size_t i = 0; i != bufsize; i++)
|
||||
result[i] += g * buf[i];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void Noise::transformNoiseMap()
|
||||
{
|
||||
size_t i = 0;
|
||||
|
||||
61
src/noise.h
61
src/noise.h
@ -28,6 +28,9 @@
|
||||
|
||||
#include "debug.h"
|
||||
#include "irr_v3d.h"
|
||||
#include "util/string.h"
|
||||
|
||||
extern FlagDesc flagdesc_noiseparams[];
|
||||
|
||||
class PseudoRandom
|
||||
{
|
||||
@ -66,6 +69,14 @@ private:
|
||||
int m_next;
|
||||
};
|
||||
|
||||
#define NOISE_FLAG_DEFAULTS 0x01
|
||||
#define NOISE_FLAG_EASED 0x02
|
||||
#define NOISE_FLAG_ABSVALUE 0x04
|
||||
|
||||
//// TODO(hmmmm): implement these!
|
||||
#define NOISE_FLAG_POINTBUFFER 0x08
|
||||
#define NOISE_FLAG_SIMPLEX 0x10
|
||||
|
||||
struct NoiseParams {
|
||||
float offset;
|
||||
float scale;
|
||||
@ -73,20 +84,32 @@ struct NoiseParams {
|
||||
s32 seed;
|
||||
u16 octaves;
|
||||
float persist;
|
||||
bool eased;
|
||||
float lacunarity;
|
||||
u32 flags;
|
||||
|
||||
NoiseParams() {}
|
||||
NoiseParams() {
|
||||
offset = 0.0f;
|
||||
scale = 1.0f;
|
||||
spread = v3f(250, 250, 250);
|
||||
seed = 12345;
|
||||
octaves = 3;
|
||||
persist = 0.6f;
|
||||
lacunarity = 2.0f;
|
||||
flags = NOISE_FLAG_DEFAULTS;
|
||||
}
|
||||
|
||||
NoiseParams(float offset_, float scale_, v3f spread_,
|
||||
int seed_, int octaves_, float persist_, bool eased_=false)
|
||||
NoiseParams(float offset_, float scale_, v3f spread_, s32 seed_,
|
||||
u16 octaves_, float persist_, float lacunarity_,
|
||||
u32 flags_=NOISE_FLAG_DEFAULTS)
|
||||
{
|
||||
offset = offset_;
|
||||
scale = scale_;
|
||||
spread = spread_;
|
||||
seed = seed_;
|
||||
octaves = octaves_;
|
||||
persist = persist_;
|
||||
eased = eased_;
|
||||
offset = offset_;
|
||||
scale = scale_;
|
||||
spread = spread_;
|
||||
seed = seed_;
|
||||
octaves = octaves_;
|
||||
persist = persist_;
|
||||
lacunarity = lacunarity_;
|
||||
flags = flags_;
|
||||
}
|
||||
};
|
||||
|
||||
@ -123,10 +146,12 @@ public:
|
||||
void gradientMap3D(
|
||||
float x, float y, float z,
|
||||
float step_x, float step_y, float step_z,
|
||||
int seed, bool eased=false);
|
||||
float *perlinMap2D(float x, float y);
|
||||
float *perlinMap2DModulated(float x, float y, float *persist_map);
|
||||
float *perlinMap3D(float x, float y, float z, bool eased=false);
|
||||
int seed);
|
||||
|
||||
float *perlinMap2D(float x, float y, float *persistence_map=NULL);
|
||||
float *perlinMap3D(float x, float y, float z, float *persistence_map=NULL);
|
||||
|
||||
void updateResults(float g, float *gmap, float *persistence_map, size_t bufsize);
|
||||
void transformNoiseMap();
|
||||
};
|
||||
|
||||
@ -134,14 +159,14 @@ public:
|
||||
float noise2d(int x, int y, int seed);
|
||||
float noise3d(int x, int y, int z, int seed);
|
||||
|
||||
float noise2d_gradient(float x, float y, int seed);
|
||||
float noise2d_gradient(float x, float y, int seed, bool eased=true);
|
||||
float noise3d_gradient(float x, float y, float z, int seed, bool eased=false);
|
||||
|
||||
float noise2d_perlin(float x, float y, int seed,
|
||||
int octaves, float persistence);
|
||||
int octaves, float persistence, bool eased=true);
|
||||
|
||||
float noise2d_perlin_abs(float x, float y, int seed,
|
||||
int octaves, float persistence);
|
||||
int octaves, float persistence, bool eased=true);
|
||||
|
||||
float noise3d_perlin(float x, float y, float z, int seed,
|
||||
int octaves, float persistence, bool eased=false);
|
||||
|
||||
@ -975,11 +975,11 @@ void luaentity_get(lua_State *L, u16 id)
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
NoiseParams *read_noiseparams(lua_State *L, int index)
|
||||
NoiseParams *get_noiseparams(lua_State *L, int index)
|
||||
{
|
||||
NoiseParams *np = new NoiseParams;
|
||||
|
||||
if (!read_noiseparams_nc(L, index, np)) {
|
||||
if (!read_noiseparams(L, index, np)) {
|
||||
delete np;
|
||||
np = NULL;
|
||||
}
|
||||
@ -987,7 +987,7 @@ NoiseParams *read_noiseparams(lua_State *L, int index)
|
||||
return np;
|
||||
}
|
||||
|
||||
bool read_noiseparams_nc(lua_State *L, int index, NoiseParams *np)
|
||||
bool read_noiseparams(lua_State *L, int index, NoiseParams *np)
|
||||
{
|
||||
if (index < 0)
|
||||
index = lua_gettop(L) + 1 + index;
|
||||
@ -995,12 +995,16 @@ bool read_noiseparams_nc(lua_State *L, int index, NoiseParams *np)
|
||||
if (!lua_istable(L, index))
|
||||
return false;
|
||||
|
||||
np->offset = getfloatfield_default(L, index, "offset", 0.0);
|
||||
np->scale = getfloatfield_default(L, index, "scale", 0.0);
|
||||
np->persist = getfloatfield_default(L, index, "persist", 0.0);
|
||||
np->seed = getintfield_default(L, index, "seed", 0);
|
||||
np->octaves = getintfield_default(L, index, "octaves", 0);
|
||||
np->eased = getboolfield_default(L, index, "eased", false);
|
||||
np->offset = getfloatfield_default(L, index, "offset", 0.0);
|
||||
np->scale = getfloatfield_default(L, index, "scale", 0.0);
|
||||
np->persist = getfloatfield_default(L, index, "persist", 0.0);
|
||||
np->lacunarity = getfloatfield_default(L, index, "lacunarity", 2.0);
|
||||
np->seed = getintfield_default(L, index, "seed", 0);
|
||||
np->octaves = getintfield_default(L, index, "octaves", 0);
|
||||
|
||||
u32 flags = 0, flagmask = 0;
|
||||
np->flags = getflagsfield(L, index, "flags", flagdesc_noiseparams,
|
||||
&flags, &flagmask) ? flags : NOISE_FLAG_DEFAULTS;
|
||||
|
||||
lua_getfield(L, index, "spread");
|
||||
np->spread = read_v3f(L, -1);
|
||||
|
||||
@ -147,9 +147,9 @@ bool string_to_enum (const EnumString *spec,
|
||||
int &result,
|
||||
const std::string &str);
|
||||
|
||||
NoiseParams* read_noiseparams (lua_State *L, int index);
|
||||
NoiseParams* get_noiseparams (lua_State *L, int index);
|
||||
|
||||
bool read_noiseparams_nc (lua_State *L, int index,
|
||||
bool read_noiseparams (lua_State *L, int index,
|
||||
NoiseParams *np);
|
||||
bool get_schematic (lua_State *L, int index,
|
||||
Schematic *schem,
|
||||
|
||||
@ -608,13 +608,13 @@ int ModApiEnvMod::l_get_perlin_map(lua_State *L)
|
||||
{
|
||||
GET_ENV_PTR;
|
||||
|
||||
NoiseParams *np = read_noiseparams(L, 1);
|
||||
if (!np)
|
||||
NoiseParams np;
|
||||
if (!read_noiseparams(L, 1, &np))
|
||||
return 0;
|
||||
v3s16 size = read_v3s16(L, 2);
|
||||
|
||||
int seed = (int)(env->getServerMap().getSeed());
|
||||
LuaPerlinNoiseMap *n = new LuaPerlinNoiseMap(np, seed, size);
|
||||
LuaPerlinNoiseMap *n = new LuaPerlinNoiseMap(&np, seed, size);
|
||||
*(void **)(lua_newuserdata(L, sizeof(void *))) = n;
|
||||
luaL_getmetatable(L, "PerlinNoiseMap");
|
||||
lua_setmetatable(L, -2);
|
||||
|
||||
@ -274,7 +274,10 @@ int ModApiMapgen::l_set_noiseparam_defaults(lua_State *L)
|
||||
|
||||
lua_pushnil(L);
|
||||
while (lua_next(L, 1)) {
|
||||
if (read_noiseparams_nc(L, -1, &np)) {
|
||||
if (read_noiseparams(L, -1, &np)) {
|
||||
/// TODO(hmmmm): Update this for newer noiseparam formats
|
||||
/// Right now this is safe because serializeStructToString() won't
|
||||
/// touch memory outside of what the format string specifies
|
||||
if (!serializeStructToString(&val, NOISEPARAMS_FMT_STR, &np))
|
||||
continue;
|
||||
if (!lua_isstring(L, -2))
|
||||
@ -406,7 +409,7 @@ int ModApiMapgen::l_register_decoration(lua_State *L)
|
||||
|
||||
//// Get NoiseParams to define how decoration is placed
|
||||
lua_getfield(L, index, "noise_params");
|
||||
deco->np = read_noiseparams(L, -1);
|
||||
deco->np = get_noiseparams(L, -1);
|
||||
lua_pop(L, 1);
|
||||
|
||||
//// Get biomes associated with this decoration (if any)
|
||||
@ -556,7 +559,7 @@ int ModApiMapgen::l_register_ore(lua_State *L)
|
||||
getflagsfield(L, index, "flags", flagdesc_ore, &ore->flags, NULL);
|
||||
|
||||
lua_getfield(L, index, "noise_params");
|
||||
ore->np = read_noiseparams(L, -1);
|
||||
ore->np = get_noiseparams(L, -1);
|
||||
lua_pop(L, 1);
|
||||
|
||||
u32 id = oremgr->add(ore);
|
||||
|
||||
@ -31,6 +31,7 @@ int LuaPerlinNoise::gc_object(lua_State *L)
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int LuaPerlinNoise::l_get2d(lua_State *L)
|
||||
{
|
||||
NO_MAP_LOCK_REQUIRED;
|
||||
@ -40,6 +41,8 @@ int LuaPerlinNoise::l_get2d(lua_State *L)
|
||||
lua_pushnumber(L, val);
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
int LuaPerlinNoise::l_get3d(lua_State *L)
|
||||
{
|
||||
NO_MAP_LOCK_REQUIRED;
|
||||
@ -60,10 +63,12 @@ LuaPerlinNoise::LuaPerlinNoise(int a_seed, int a_octaves, float a_persistence,
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
LuaPerlinNoise::~LuaPerlinNoise()
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
// LuaPerlinNoise(seed, octaves, persistence, scale)
|
||||
// Creates an LuaPerlinNoise and leaves it on top of stack
|
||||
int LuaPerlinNoise::create_object(lua_State *L)
|
||||
@ -80,15 +85,18 @@ int LuaPerlinNoise::create_object(lua_State *L)
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
LuaPerlinNoise* LuaPerlinNoise::checkobject(lua_State *L, int narg)
|
||||
{
|
||||
NO_MAP_LOCK_REQUIRED;
|
||||
luaL_checktype(L, narg, LUA_TUSERDATA);
|
||||
void *ud = luaL_checkudata(L, narg, className);
|
||||
if(!ud) luaL_typerror(L, narg, className);
|
||||
if (!ud)
|
||||
luaL_typerror(L, narg, className);
|
||||
return *(LuaPerlinNoise**)ud; // unbox pointer
|
||||
}
|
||||
|
||||
|
||||
void LuaPerlinNoise::Register(lua_State *L)
|
||||
{
|
||||
lua_newtable(L);
|
||||
@ -117,6 +125,7 @@ void LuaPerlinNoise::Register(lua_State *L)
|
||||
lua_register(L, className, create_object);
|
||||
}
|
||||
|
||||
|
||||
const char LuaPerlinNoise::className[] = "PerlinNoise";
|
||||
const luaL_reg LuaPerlinNoise::methods[] = {
|
||||
luamethod(LuaPerlinNoise, get2d),
|
||||
@ -124,11 +133,11 @@ const luaL_reg LuaPerlinNoise::methods[] = {
|
||||
{0,0}
|
||||
};
|
||||
|
||||
|
||||
/*
|
||||
PerlinNoiseMap
|
||||
*/
|
||||
|
||||
|
||||
int LuaPerlinNoiseMap::gc_object(lua_State *L)
|
||||
{
|
||||
LuaPerlinNoiseMap *o = *(LuaPerlinNoiseMap **)(lua_touserdata(L, 1));
|
||||
@ -136,6 +145,7 @@ int LuaPerlinNoiseMap::gc_object(lua_State *L)
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int LuaPerlinNoiseMap::l_get2dMap(lua_State *L)
|
||||
{
|
||||
NO_MAP_LOCK_REQUIRED;
|
||||
@ -160,6 +170,7 @@ int LuaPerlinNoiseMap::l_get2dMap(lua_State *L)
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
int LuaPerlinNoiseMap::l_get2dMap_flat(lua_State *L)
|
||||
{
|
||||
NO_MAP_LOCK_REQUIRED;
|
||||
@ -181,6 +192,7 @@ int LuaPerlinNoiseMap::l_get2dMap_flat(lua_State *L)
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
int LuaPerlinNoiseMap::l_get3dMap(lua_State *L)
|
||||
{
|
||||
NO_MAP_LOCK_REQUIRED;
|
||||
@ -190,7 +202,7 @@ int LuaPerlinNoiseMap::l_get3dMap(lua_State *L)
|
||||
v3f p = read_v3f(L, 2);
|
||||
|
||||
Noise *n = o->noise;
|
||||
n->perlinMap3D(p.X, p.Y, p.Z, n->np->eased);
|
||||
n->perlinMap3D(p.X, p.Y, p.Z);
|
||||
|
||||
lua_newtable(L);
|
||||
for (int z = 0; z != n->sz; z++) {
|
||||
@ -208,6 +220,7 @@ int LuaPerlinNoiseMap::l_get3dMap(lua_State *L)
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
int LuaPerlinNoiseMap::l_get3dMap_flat(lua_State *L)
|
||||
{
|
||||
NO_MAP_LOCK_REQUIRED;
|
||||
@ -216,7 +229,7 @@ int LuaPerlinNoiseMap::l_get3dMap_flat(lua_State *L)
|
||||
v3f p = read_v3f(L, 2);
|
||||
|
||||
Noise *n = o->noise;
|
||||
n->perlinMap3D(p.X, p.Y, p.Z, n->np->eased);
|
||||
n->perlinMap3D(p.X, p.Y, p.Z);
|
||||
|
||||
|
||||
int maplen = n->sx * n->sy * n->sz;
|
||||
@ -230,37 +243,42 @@ int LuaPerlinNoiseMap::l_get3dMap_flat(lua_State *L)
|
||||
return 1;
|
||||
}
|
||||
|
||||
LuaPerlinNoiseMap::LuaPerlinNoiseMap(NoiseParams *np, int seed, v3s16 size) {
|
||||
|
||||
LuaPerlinNoiseMap::LuaPerlinNoiseMap(NoiseParams *np, int seed, v3s16 size)
|
||||
{
|
||||
memcpy(&m_noise_params, np, sizeof(m_noise_params));
|
||||
try {
|
||||
noise = new Noise(np, seed, size.X, size.Y, size.Z);
|
||||
noise = new Noise(&m_noise_params, seed, size.X, size.Y, size.Z);
|
||||
} catch (InvalidNoiseParamsException &e) {
|
||||
throw LuaError(e.what());
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
LuaPerlinNoiseMap::~LuaPerlinNoiseMap()
|
||||
{
|
||||
delete noise->np;
|
||||
delete noise;
|
||||
}
|
||||
|
||||
|
||||
// LuaPerlinNoiseMap(np, size)
|
||||
// Creates an LuaPerlinNoiseMap and leaves it on top of stack
|
||||
int LuaPerlinNoiseMap::create_object(lua_State *L)
|
||||
{
|
||||
NoiseParams *np = read_noiseparams(L, 1);
|
||||
if (!np)
|
||||
NoiseParams np;
|
||||
if (!read_noiseparams(L, 1, &np))
|
||||
return 0;
|
||||
v3s16 size = read_v3s16(L, 2);
|
||||
|
||||
LuaPerlinNoiseMap *o = new LuaPerlinNoiseMap(np, 0, size);
|
||||
LuaPerlinNoiseMap *o = new LuaPerlinNoiseMap(&np, 0, size);
|
||||
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
|
||||
luaL_getmetatable(L, className);
|
||||
lua_setmetatable(L, -2);
|
||||
return 1;
|
||||
}
|
||||
|
||||
LuaPerlinNoiseMap* LuaPerlinNoiseMap::checkobject(lua_State *L, int narg)
|
||||
|
||||
LuaPerlinNoiseMap *LuaPerlinNoiseMap::checkobject(lua_State *L, int narg)
|
||||
{
|
||||
luaL_checktype(L, narg, LUA_TUSERDATA);
|
||||
|
||||
@ -271,6 +289,7 @@ LuaPerlinNoiseMap* LuaPerlinNoiseMap::checkobject(lua_State *L, int narg)
|
||||
return *(LuaPerlinNoiseMap **)ud; // unbox pointer
|
||||
}
|
||||
|
||||
|
||||
void LuaPerlinNoiseMap::Register(lua_State *L)
|
||||
{
|
||||
lua_newtable(L);
|
||||
@ -299,6 +318,7 @@ void LuaPerlinNoiseMap::Register(lua_State *L)
|
||||
lua_register(L, className, create_object);
|
||||
}
|
||||
|
||||
|
||||
const char LuaPerlinNoiseMap::className[] = "PerlinNoiseMap";
|
||||
const luaL_reg LuaPerlinNoiseMap::methods[] = {
|
||||
luamethod(LuaPerlinNoiseMap, get2dMap),
|
||||
@ -320,6 +340,7 @@ int LuaPseudoRandom::gc_object(lua_State *L)
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
// next(self, min=0, max=32767) -> get next value
|
||||
int LuaPseudoRandom::l_next(lua_State *L)
|
||||
{
|
||||
@ -354,19 +375,23 @@ LuaPseudoRandom::LuaPseudoRandom(int seed):
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
LuaPseudoRandom::~LuaPseudoRandom()
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
const PseudoRandom& LuaPseudoRandom::getItem() const
|
||||
{
|
||||
return m_pseudo;
|
||||
}
|
||||
|
||||
PseudoRandom& LuaPseudoRandom::getItem()
|
||||
{
|
||||
return m_pseudo;
|
||||
}
|
||||
|
||||
|
||||
// LuaPseudoRandom(seed)
|
||||
// Creates an LuaPseudoRandom and leaves it on top of stack
|
||||
int LuaPseudoRandom::create_object(lua_State *L)
|
||||
@ -379,14 +404,17 @@ int LuaPseudoRandom::create_object(lua_State *L)
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
LuaPseudoRandom* LuaPseudoRandom::checkobject(lua_State *L, int narg)
|
||||
{
|
||||
luaL_checktype(L, narg, LUA_TUSERDATA);
|
||||
void *ud = luaL_checkudata(L, narg, className);
|
||||
if(!ud) luaL_typerror(L, narg, className);
|
||||
if (!ud)
|
||||
luaL_typerror(L, narg, className);
|
||||
return *(LuaPseudoRandom**)ud; // unbox pointer
|
||||
}
|
||||
|
||||
|
||||
void LuaPseudoRandom::Register(lua_State *L)
|
||||
{
|
||||
lua_newtable(L);
|
||||
@ -415,6 +443,7 @@ void LuaPseudoRandom::Register(lua_State *L)
|
||||
lua_register(L, className, create_object);
|
||||
}
|
||||
|
||||
|
||||
const char LuaPseudoRandom::className[] = "PseudoRandom";
|
||||
const luaL_reg LuaPseudoRandom::methods[] = {
|
||||
luamethod(LuaPseudoRandom, next),
|
||||
|
||||
@ -54,7 +54,7 @@ public:
|
||||
// Creates an LuaPerlinNoise and leaves it on top of stack
|
||||
static int create_object(lua_State *L);
|
||||
|
||||
static LuaPerlinNoise* checkobject(lua_State *L, int narg);
|
||||
static LuaPerlinNoise *checkobject(lua_State *L, int narg);
|
||||
|
||||
static void Register(lua_State *L);
|
||||
};
|
||||
@ -63,7 +63,7 @@ public:
|
||||
LuaPerlinNoiseMap
|
||||
*/
|
||||
class LuaPerlinNoiseMap : public ModApiBase {
|
||||
private:
|
||||
NoiseParams m_noise_params;
|
||||
Noise *noise;
|
||||
static const char className[];
|
||||
static const luaL_reg methods[];
|
||||
|
||||
@ -591,6 +591,11 @@ bool Settings::getNoiseParamsFromGroup(const std::string &name,
|
||||
group->getS32NoEx("seed", np.seed);
|
||||
group->getU16NoEx("octaves", np.octaves);
|
||||
group->getFloatNoEx("persistence", np.persist);
|
||||
group->getFloatNoEx("lacunarity", np.lacunarity);
|
||||
|
||||
np.flags = 0;
|
||||
if (!group->getFlagStrNoEx("flags", np.flags, flagdesc_noiseparams))
|
||||
np.flags = NOISE_FLAG_DEFAULTS;
|
||||
|
||||
return true;
|
||||
}
|
||||
@ -896,6 +901,8 @@ void Settings::setNoiseParams(const std::string &name, const NoiseParams &np)
|
||||
group->setS32("seed", np.seed);
|
||||
group->setU16("octaves", np.octaves);
|
||||
group->setFloat("persistence", np.persist);
|
||||
group->setFloat("lacunarity", np.lacunarity);
|
||||
group->setFlagStr("flags", np.flags, flagdesc_noiseparams, np.flags);
|
||||
|
||||
Settings *old_group;
|
||||
{
|
||||
|
||||
@ -467,6 +467,8 @@ struct TestPath: public TestBase
|
||||
" with leading whitespace!\n" \
|
||||
"\"\"\"\n" \
|
||||
"np_terrain = {\n" \
|
||||
" flags = defaults\n" \
|
||||
" lacunarity = 2\n" \
|
||||
" octaves = 6\n" \
|
||||
" offset = 3.5\n" \
|
||||
" persistence = 0.7\n" \
|
||||
|
||||
Loading…
Reference in New Issue
Block a user