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-rw-r--r--src/mapgen_v7.cpp120
1 files changed, 85 insertions, 35 deletions
diff --git a/src/mapgen_v7.cpp b/src/mapgen_v7.cpp
index 04a9e3c16..5e9bc4aa3 100644
--- a/src/mapgen_v7.cpp
+++ b/src/mapgen_v7.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) 2013-2016 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
+Copyright (C) 2014-2017 paramat
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"
@@ -41,10 +40,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
FlagDesc flagdesc_mapgen_v7[] = {
- {"mountains", MGV7_MOUNTAINS},
- {"ridges", MGV7_RIDGES},
- {"floatlands", MGV7_FLOATLANDS},
- {NULL, 0}
+ {"mountains", MGV7_MOUNTAINS},
+ {"ridges", MGV7_RIDGES},
+ {"floatlands", MGV7_FLOATLANDS},
+ {"caverns", MGV7_CAVERNS},
+ {NULL, 0}
};
@@ -60,52 +60,77 @@ MapgenV7::MapgenV7(int mapgenid, MapgenV7Params *params, EmergeManager *emerge)
this->float_mount_height = params->float_mount_height;
this->floatland_level = params->floatland_level;
this->shadow_limit = params->shadow_limit;
+ this->cavern_limit = params->cavern_limit;
+ this->cavern_taper = params->cavern_taper;
+ this->cavern_threshold = params->cavern_threshold;
- //// Terrain noise
- noise_terrain_base = new Noise(&params->np_terrain_base, seed, csize.X, csize.Z);
- noise_terrain_alt = new Noise(&params->np_terrain_alt, seed, csize.X, csize.Z);
- noise_terrain_persist = new Noise(&params->np_terrain_persist, seed, csize.X, csize.Z);
- noise_height_select = new Noise(&params->np_height_select, seed, csize.X, csize.Z);
- noise_filler_depth = new Noise(&params->np_filler_depth, seed, csize.X, csize.Z);
- noise_mount_height = new Noise(&params->np_mount_height, seed, csize.X, csize.Z);
- noise_ridge_uwater = new Noise(&params->np_ridge_uwater, seed, csize.X, csize.Z);
- noise_floatland_base = new Noise(&params->np_floatland_base, seed, csize.X, csize.Z);
- noise_float_base_height = new Noise(&params->np_float_base_height, seed, csize.X, csize.Z);
-
- //// 3d terrain noise
- // 1-up 1-down overgeneration
- noise_mountain = new Noise(&params->np_mountain, seed, csize.X, csize.Y + 2, csize.Z);
- noise_ridge = new Noise(&params->np_ridge, seed, csize.X, csize.Y + 2, csize.Z);
-
- MapgenBasic::np_cave1 = params->np_cave1;
- MapgenBasic::np_cave2 = params->np_cave2;
+ // 2D noise
+ noise_terrain_base = new Noise(&params->np_terrain_base, seed, csize.X, csize.Z);
+ noise_terrain_alt = new Noise(&params->np_terrain_alt, seed, csize.X, csize.Z);
+ noise_terrain_persist = new Noise(&params->np_terrain_persist, seed, csize.X, csize.Z);
+ noise_height_select = new Noise(&params->np_height_select, seed, csize.X, csize.Z);
+ noise_filler_depth = new Noise(&params->np_filler_depth, seed, csize.X, csize.Z);
+
+ if (spflags & MGV7_MOUNTAINS)
+ noise_mount_height = new Noise(&params->np_mount_height, seed, csize.X, csize.Z);
+
+ if (spflags & MGV7_FLOATLANDS) {
+ noise_floatland_base = new Noise(&params->np_floatland_base, seed, csize.X, csize.Z);
+ noise_float_base_height = new Noise(&params->np_float_base_height, seed, csize.X, csize.Z);
+ }
+
+ if (spflags & MGV7_RIDGES) {
+ noise_ridge_uwater = new Noise(&params->np_ridge_uwater, seed, csize.X, csize.Z);
+ // 3D noise, 1-up 1-down overgeneration
+ noise_ridge = new Noise(&params->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(&params->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;
}
MapgenV7::~MapgenV7()
{
delete noise_terrain_base;
+ delete noise_terrain_alt;
delete noise_terrain_persist;
delete noise_height_select;
- delete noise_terrain_alt;
delete noise_filler_depth;
- delete noise_mount_height;
- delete noise_ridge_uwater;
- delete noise_floatland_base;
- delete noise_float_base_height;
- delete noise_mountain;
- delete noise_ridge;
+
+ if (spflags & MGV7_MOUNTAINS)
+ delete noise_mount_height;
+
+ if (spflags & MGV7_FLOATLANDS) {
+ delete noise_floatland_base;
+ delete noise_float_base_height;
+ }
+
+ if (spflags & MGV7_RIDGES) {
+ delete noise_ridge_uwater;
+ delete noise_ridge;
+ }
+
+ if ((spflags & MGV7_MOUNTAINS) || (spflags & MGV7_FLOATLANDS))
+ delete noise_mountain;
}
MapgenV7Params::MapgenV7Params()
{
- spflags = MGV7_MOUNTAINS | MGV7_RIDGES;
+ spflags = MGV7_MOUNTAINS | MGV7_RIDGES | MGV7_CAVERNS;
cave_width = 0.09;
float_mount_density = 0.6;
float_mount_height = 128.0;
floatland_level = 1280;
shadow_limit = 1024;
+ cavern_limit = -256;
+ cavern_taper = 256;
+ cavern_threshold = 0.7;
np_terrain_base = NoiseParams(4, 70, v3f(600, 600, 600), 82341, 5, 0.6, 2.0);
np_terrain_alt = NoiseParams(4, 25, v3f(600, 600, 600), 5934, 5, 0.6, 2.0);
@@ -118,6 +143,7 @@ MapgenV7Params::MapgenV7Params()
np_float_base_height = NoiseParams(48, 24, v3f(300, 300, 300), 907, 4, 0.7, 2.0);
np_mountain = NoiseParams(-0.6, 1, v3f(250, 350, 250), 5333, 5, 0.63, 2.0);
np_ridge = NoiseParams(0, 1, v3f(100, 100, 100), 6467, 4, 0.75, 2.0);
+ np_cavern = NoiseParams(0, 1, v3f(384, 128, 384), 723, 5, 0.63, 2.0);
np_cave1 = NoiseParams(0, 12, v3f(61, 61, 61), 52534, 3, 0.5, 2.0);
np_cave2 = NoiseParams(0, 12, v3f(67, 67, 67), 10325, 3, 0.5, 2.0);
}
@@ -131,6 +157,9 @@ void MapgenV7Params::readParams(const Settings *settings)
settings->getFloatNoEx("mgv7_float_mount_height", float_mount_height);
settings->getS16NoEx("mgv7_floatland_level", floatland_level);
settings->getS16NoEx("mgv7_shadow_limit", shadow_limit);
+ settings->getS16NoEx("mgv7_cavern_limit", cavern_limit);
+ settings->getS16NoEx("mgv7_cavern_taper", cavern_taper);
+ settings->getFloatNoEx("mgv7_cavern_threshold", cavern_threshold);
settings->getNoiseParams("mgv7_np_terrain_base", np_terrain_base);
settings->getNoiseParams("mgv7_np_terrain_alt", np_terrain_alt);
@@ -143,6 +172,7 @@ void MapgenV7Params::readParams(const Settings *settings)
settings->getNoiseParams("mgv7_np_float_base_height", np_float_base_height);
settings->getNoiseParams("mgv7_np_mountain", np_mountain);
settings->getNoiseParams("mgv7_np_ridge", np_ridge);
+ settings->getNoiseParams("mgv7_np_cavern", np_cavern);
settings->getNoiseParams("mgv7_np_cave1", np_cave1);
settings->getNoiseParams("mgv7_np_cave2", np_cave2);
}
@@ -156,6 +186,9 @@ void MapgenV7Params::writeParams(Settings *settings) const
settings->setFloat("mgv7_float_mount_height", float_mount_height);
settings->setS16("mgv7_floatland_level", floatland_level);
settings->setS16("mgv7_shadow_limit", shadow_limit);
+ settings->setS16("mgv7_cavern_limit", cavern_limit);
+ settings->setS16("mgv7_cavern_taper", cavern_taper);
+ settings->setFloat("mgv7_cavern_threshold", cavern_threshold);
settings->setNoiseParams("mgv7_np_terrain_base", np_terrain_base);
settings->setNoiseParams("mgv7_np_terrain_alt", np_terrain_alt);
@@ -168,6 +201,7 @@ void MapgenV7Params::writeParams(Settings *settings) const
settings->setNoiseParams("mgv7_np_float_base_height", np_float_base_height);
settings->setNoiseParams("mgv7_np_mountain", np_mountain);
settings->setNoiseParams("mgv7_np_ridge", np_ridge);
+ settings->setNoiseParams("mgv7_np_cavern", np_cavern);
settings->setNoiseParams("mgv7_np_cave1", np_cave1);
settings->setNoiseParams("mgv7_np_cave2", np_cave2);
}
@@ -256,9 +290,23 @@ void MapgenV7::makeChunk(BlockMakeData *data)
biomegen->calcBiomeNoise(node_min);
MgStoneType stone_type = generateBiomes();
- if (flags & MG_CAVES)
- generateCaves(stone_surface_max_y, water_level);
+ // Generate caverns, tunnels and classic caves
+ if (flags & MG_CAVES) {
+ bool near_cavern = false;
+ // Generate caverns
+ if (spflags & MGV7_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, water_level);
+ }
+ // Generate dungeons
if (flags & MG_DUNGEONS)
generateDungeons(stone_surface_max_y, stone_type);
@@ -274,8 +322,10 @@ void MapgenV7::makeChunk(BlockMakeData *data)
//printf("makeChunk: %dms\n", t.stop());
+ // Update liquids
updateLiquid(&data->transforming_liquid, full_node_min, full_node_max);
+ // Calculate lighting
// Limit floatland shadow
bool propagate_shadow = !((spflags & MGV7_FLOATLANDS) &&
node_min.Y <= shadow_limit && node_max.Y >= shadow_limit);
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-12 06:30:14 +0000