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-rw-r--r--src/mapgen_v5.cpp91
1 files changed, 49 insertions, 42 deletions
diff --git a/src/mapgen_v5.cpp b/src/mapgen_v5.cpp
index 9f189e253..932677e2a 100644
--- a/src/mapgen_v5.cpp
+++ b/src/mapgen_v5.cpp
@@ -1,7 +1,7 @@
/*
Minetest
-Copyright (C) 2010-2015 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
-Copyright (C) 2010-2015 paramat, Matt Gregory
+Copyright (C) 2014-2017 paramat
+Copyright (C) 2014-2016 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
@@ -33,7 +33,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "emerge.h"
#include "dungeongen.h"
#include "cavegen.h"
-#include "treegen.h"
#include "mg_biome.h"
#include "mg_ore.h"
#include "mg_decoration.h"
@@ -41,15 +40,19 @@ with this program; if not, write to the Free Software Foundation, Inc.,
FlagDesc flagdesc_mapgen_v5[] = {
- {NULL, 0}
+ {"caverns", MGV5_CAVERNS},
+ {NULL, 0}
};
MapgenV5::MapgenV5(int mapgenid, MapgenV5Params *params, EmergeManager *emerge)
: MapgenBasic(mapgenid, params, emerge)
{
- this->spflags = params->spflags;
- this->cave_width = params->cave_width;
+ this->spflags = params->spflags;
+ this->cave_width = params->cave_width;
+ this->cavern_limit = params->cavern_limit;
+ this->cavern_taper = params->cavern_taper;
+ this->cavern_threshold = params->cavern_threshold;
// Terrain noise
noise_filler_depth = new Noise(&params->np_filler_depth, seed, csize.X, csize.Z);
@@ -59,9 +62,10 @@ MapgenV5::MapgenV5(int mapgenid, MapgenV5Params *params, EmergeManager *emerge)
// 3D terrain noise
// 1-up 1-down overgeneration
noise_ground = new Noise(&params->np_ground, seed, csize.X, csize.Y + 2, csize.Z);
-
- MapgenBasic::np_cave1 = params->np_cave1;
- MapgenBasic::np_cave2 = params->np_cave2;
+ // 1 down overgeneration
+ MapgenBasic::np_cave1 = params->np_cave1;
+ MapgenBasic::np_cave2 = params->np_cave2;
+ MapgenBasic::np_cavern = params->np_cavern;
}
@@ -76,47 +80,55 @@ MapgenV5::~MapgenV5()
MapgenV5Params::MapgenV5Params()
{
- spflags = 0;
- cave_width = 0.125;
+ spflags = MGV5_CAVERNS;
+ cave_width = 0.125;
+ cavern_limit = -256;
+ cavern_taper = 256;
+ cavern_threshold = 0.7;
np_filler_depth = NoiseParams(0, 1, v3f(150, 150, 150), 261, 4, 0.7, 2.0);
np_factor = NoiseParams(0, 1, v3f(250, 250, 250), 920381, 3, 0.45, 2.0);
np_height = NoiseParams(0, 10, v3f(250, 250, 250), 84174, 4, 0.5, 2.0);
+ np_ground = NoiseParams(0, 40, v3f(80, 80, 80), 983240, 4, 0.55, 2.0, NOISE_FLAG_EASED);
np_cave1 = NoiseParams(0, 12, v3f(50, 50, 50), 52534, 4, 0.5, 2.0);
np_cave2 = NoiseParams(0, 12, v3f(50, 50, 50), 10325, 4, 0.5, 2.0);
- np_ground = NoiseParams(0, 40, v3f(80, 80, 80), 983240, 4, 0.55, 2.0, NOISE_FLAG_EASED);
+ np_cavern = NoiseParams(0, 1, v3f(384, 128, 384), 723, 5, 0.63, 2.0);
}
-//#define CAVE_NOISE_SCALE 12.0
-//#define CAVE_NOISE_THRESHOLD (1.5/CAVE_NOISE_SCALE) = 0.125
-
-
void MapgenV5Params::readParams(const Settings *settings)
{
- settings->getFlagStrNoEx("mgv5_spflags", spflags, flagdesc_mapgen_v5);
- settings->getFloatNoEx("mgv5_cave_width", cave_width);
+ settings->getFlagStrNoEx("mgv5_spflags", spflags, flagdesc_mapgen_v5);
+ settings->getFloatNoEx("mgv5_cave_width", cave_width);
+ settings->getS16NoEx("mgv5_cavern_limit", cavern_limit);
+ settings->getS16NoEx("mgv5_cavern_taper", cavern_taper);
+ settings->getFloatNoEx("mgv5_cavern_threshold", cavern_threshold);
settings->getNoiseParams("mgv5_np_filler_depth", np_filler_depth);
settings->getNoiseParams("mgv5_np_factor", np_factor);
settings->getNoiseParams("mgv5_np_height", np_height);
+ settings->getNoiseParams("mgv5_np_ground", np_ground);
settings->getNoiseParams("mgv5_np_cave1", np_cave1);
settings->getNoiseParams("mgv5_np_cave2", np_cave2);
- settings->getNoiseParams("mgv5_np_ground", np_ground);
+ settings->getNoiseParams("mgv5_np_cavern", np_cavern);
}
void MapgenV5Params::writeParams(Settings *settings) const
{
- settings->setFlagStr("mgv5_spflags", spflags, flagdesc_mapgen_v5, U32_MAX);
- settings->setFloat("mgv5_cave_width", cave_width);
+ settings->setFlagStr("mgv5_spflags", spflags, flagdesc_mapgen_v5, U32_MAX);
+ settings->setFloat("mgv5_cave_width", cave_width);
+ settings->setS16("mgv5_cavern_limit", cavern_limit);
+ settings->setS16("mgv5_cavern_taper", cavern_taper);
+ settings->setFloat("mgv5_cavern_threshold", cavern_threshold);
settings->setNoiseParams("mgv5_np_filler_depth", np_filler_depth);
settings->setNoiseParams("mgv5_np_factor", np_factor);
settings->setNoiseParams("mgv5_np_height", np_height);
+ settings->setNoiseParams("mgv5_np_ground", np_ground);
settings->setNoiseParams("mgv5_np_cave1", np_cave1);
settings->setNoiseParams("mgv5_np_cave2", np_cave2);
- settings->setNoiseParams("mgv5_np_ground", np_ground);
+ settings->setNoiseParams("mgv5_np_cavern", np_cavern);
}
@@ -190,9 +202,21 @@ void MapgenV5::makeChunk(BlockMakeData *data)
biomegen->calcBiomeNoise(node_min);
MgStoneType stone_type = generateBiomes();
- // Generate caves
- if ((flags & MG_CAVES) && (stone_surface_max_y >= node_min.Y))
- generateCaves(stone_surface_max_y, MGV5_LARGE_CAVE_DEPTH);
+ // Generate caverns, tunnels and classic caves
+ if (flags & MG_CAVES) {
+ bool near_cavern = false;
+ // Generate caverns
+ if (spflags & MGV5_CAVERNS)
+ near_cavern = generateCaverns(stone_surface_max_y);
+ // Generate tunnels and classic caves
+ if (near_cavern)
+ // Disable classic caves in this mapchunk by setting
+ // 'large cave depth' to world base. Avoids excessive liquid in
+ // large caverns and floating blobs of overgenerated liquid.
+ generateCaves(stone_surface_max_y, -MAX_MAP_GENERATION_LIMIT);
+ else
+ generateCaves(stone_surface_max_y, MGV5_LARGE_CAVE_DEPTH);
+ }
// Generate dungeons and desert temples
if (flags & MG_DUNGEONS)
@@ -223,23 +247,6 @@ void MapgenV5::makeChunk(BlockMakeData *data)
}
-//bool is_cave(u32 index) {
-// double d1 = contour(noise_cave1->result[index]);
-// double d2 = contour(noise_cave2->result[index]);
-// return d1*d2 > CAVE_NOISE_THRESHOLD;
-//}
-
-//bool val_is_ground(v3s16 p, u32 index, u32 index2d) {
-// double f = 0.55 + noise_factor->result[index2d];
-// if(f < 0.01)
-// f = 0.01;
-// else if(f >= 1.0)
-// f *= 1.6;
-// double h = WATER_LEVEL + 10 * noise_height->result[index2d];
-// return (noise_ground->result[index] * f > (double)p.Y - h);
-//}
-
-
int MapgenV5::generateBaseTerrain()
{
u32 index = 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-13 18:09:45 +0000