mirror of https://github.com/minetest/minetest.git
Mapgen: Add Carpathian mapgen (#6015)
This commit is contained in:
Vaughan Lapsley
Loïc Blot
parent
6bedb6de40
commit
a80ecbee1e
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@ -175,6 +175,7 @@ LOCAL_SRC_FILES := \
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jni/src/mapblock.cpp \
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jni/src/mapblock_mesh.cpp \
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jni/src/mapgen.cpp \
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jni/src/mapgen_carpathian.cpp \
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jni/src/mapgen_flat.cpp \
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jni/src/mapgen_fractal.cpp \
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jni/src/mapgen_singlenode.cpp \
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@ -1220,6 +1220,76 @@ mgv7_np_cave1 (Cave1 noise) noise_params 0, 12, (61, 61, 61), 52534, 3, 0.5, 2.0
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# Second of 2 3D noises that together define tunnels.
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mgv7_np_cave2 (Cave2 noise) noise_params 0, 12, (67, 67, 67), 10325, 3, 0.5, 2.0
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[***Mapgen carpathian]
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# Map generation attributes specific to Mapgen Carpathian.
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# Flags that are not specified in the flag string are not modified from the default.
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# Flags starting with 'no' are used to explicitly disable them.
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mgcarpathian_spflags (Mapgen Carpathian specific flags) flags caverns caverns,nocaverns
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# Controls width of tunnels, a smaller value creates wider tunnels.
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mgcarpathian_cave_width (Cave width) float 0.09
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# Y of upper limit of large pseudorandom caves.
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mgcarpathian_large_cave_depth (Large cave depth) int -33
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# Y-level of cavern upper limit.
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mgcarpathian_cavern_limit (Cavern limit) int -256
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# Y-distance over which caverns expand to full size.
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mgcarpathian_cavern_taper (Cavern taper) int 256
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# Defines full size of caverns, smaller values create larger caverns.
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mgcarpathian_cavern_threshold (Cavern threshold) float 0.7
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# 2D noise that defines the base ground level.
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mgcarpathian_np_base (Base ground noise) noise_params 12, 1, (2557, 2557, 2557), 6538, 4, 0.8, 0.5
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# Variation of biome filler depth.
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mgcarpathian_np_filler_depth (Filler depth noise) noise_params 0, 1, (128, 128, 128), 261, 3, 0.7, 2.0
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# First of 4 3D noises that together define hill/mountain range height.
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mgcarpathian_np_height1 (Hilliness1 noise) noise_params 0, 5, (251, 251, 251), 9613, 5, 0.5, 2.0
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# Second of 4 3D noises that together define hill/mountain range height.
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mgcarpathian_np_height2 (Hilliness2 noise) noise_params 0, 5, (383, 383, 383), 1949, 5, 0.5, 2.0
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# Third of 4 3D noises that together define hill/mountain range height.
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mgcarpathian_np_height3 (Hilliness3 noise) noise_params 0, 5, (509, 509, 509), 3211, 5, 0.5, 2.0
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# Fourth of 4 3D noises that together define hill/mountain range height.
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mgcarpathian_np_height4 (Hilliness4 noise) noise_params 0, 5, (631, 631, 631), 1583, 5, 0.5, 2.0
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# 2D noise that controls the size/occurance of rolling hills.
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mgcarpathian_np_hills_terrain (Rolling hills spread noise) noise_params 1, 1, (1301, 1301, 1301), 1692, 3, 0.5, 2.0
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# 2D noise that controls the size/occurance of ridged mountain ranges.
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mgcarpathian_np_ridge_terrain (Ridge mountain spread noise) noise_params 1, 1, (1889, 1889, 1889), 3568, 3, 0.5, 2.0
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# 2D noise that controls the size/occurance of step mountain ranges.
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mgcarpathian_np_step_terrain (Step mountain spread noise) noise_params 1, 1, (1889, 1889, 1889), 4157, 3, 0.5, 2.0
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# 2D noise that controls the shape/size of rolling hills.
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mgcarpathian_np_hills (Rolling hill size noise) noise_params 0, 3, (257, 257, 257), 6604, 6, 0.5, 2.0
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# 2D noise that controls the shape/size of ridged mountains.
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mgcarpathian_np_ridge_mnt (Ridged mountain size noise) noise_params 0, 12, (743, 743, 743), 5520, 6, 0.7, 2.0
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# 2D noise that controls the shape/size of step mountains.
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mgcarpathian_np_step_mnt (Step mountain size noise) noise_params 0, 8, (509, 509, 509), 2590, 6, 0.6, 2.0
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# 3D noise for mountain overhangs, cliffs, etc. Usually small variations.
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mgcarpathian_np_mnt_var (Mountain variation noise) noise_params 0, 1, (499, 499, 499), 2490, 5, 0.6, 2.0
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# First of 2 3D noises that together define tunnels.
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mgcarpathian_np_cave1 (Cave1 noise) noise_params 0, 12, (61, 61, 61), 52534, 3, 0.5, 2.0
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# Second of 2 3D noises that together define tunnels.
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mgcarpathian_np_cave2 (Cave2 noise) noise_params 0, 12, (67, 67, 67), 10325, 3, 0.5, 2.0
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# 3D noise defining giant caverns.
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mgcarpathian_np_cavern (Cavern noise) noise_params 0, 1, (384, 128, 384), 723, 5, 0.63, 2.0
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[***Mapgen flat]
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# Map generation attributes specific to Mapgen flat.
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@ -1484,6 +1484,98 @@
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# type: noise_params
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# mgv7_np_cave2 = 0, 12, (67, 67, 67), 10325, 3, 0.5, 2.0
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#### Mapgen carpathian
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# Map generation attributes specific to Mapgen Carpathian.
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# Flags that are not specified in the flag string are not modified from the default.
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# Flags starting with 'no' are used to explicitly disable them.
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# type: flags possible values: caverns, nocaverns
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# mgcarpathian_spflags = caverns
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# Controls width of tunnels, a smaller value creates wider tunnels.
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# type: float
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# mgcarpathian_cave_width = 0.09
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# Y of upper limit of large pseudorandom caves.
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# type: int
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# mgcarpathian_large_cave_depth = -33
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# Y-level of cavern upper limit.
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# type: int
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# mgcarpathian_cavern_limit = -256
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# Y-distance over which caverns expand to full size.
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# type: int
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# mgcarpathian_cavern_taper = 256
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# Defines full size of caverns, smaller values create larger caverns.
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# type: float
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# mgcarpathian_cavern_threshold = 0.7
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# 2D noise that defines the base ground level.
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# type: noise_params
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# mgcarpathian_np_base = 12, 1, (2557, 2557, 2557), 6538, 4, 0.8, 0.5
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# Variation of biome filler depth.
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# type: noise_params
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# mgcarpathian_np_filler_depth = 0, 1, (128, 128, 128), 261, 3, 0.7, 2.0
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# First of 4 3D noises that together define hill/mountain range height.
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# type: noise_params
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# mgcarpathian_np_height1 = 0, 5, (251, 251, 251), 9613, 5, 0.5, 2.0
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# Second of 4 3D noises that together define hill/mountain range height.
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# type: noise_params
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# mgcarpathian_np_height2 = 0, 5, (383, 383, 383), 1949, 5, 0.5, 2.0
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# Third of 4 3D noises that together definehill/mountain range height.
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# type: noise_params
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# mgcarpathian_np_height3 = 0, 5, (509, 509, 509), 3211, 5, 0.5, 2.0
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# Fourth of 4 3D noises that together define hill/mountain range height.
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# type: noise_params
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# mgcarpathian_np_height4 = 0, 5, (631, 631, 631), 1583, 5, 0.5, 2.0
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# 2D noise that controls the size/occurance of rolling hills.
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# type: noise_params
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# mgcarpathian_np_hills_terrain = 1, 1, (1301, 1301, 1301), 1692, 3, 0.5, 2.0
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# 2D noise that controls the size/occurance of ridged mountain ranges.
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# type: noise_params
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# mgcarpathian_np_ridge_terrain = 1, 1, (1889, 1889, 1889), 3568, 3, 0.5, 2.0
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# 2D noise that controls the size/occurance of step mountain ranges.
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# type: noise_params
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# mgcarpathian_np_step_terrain = 1, 1, (1889, 1889, 1889), 4157, 3, 0.5, 2.0
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# 2D noise that controls the shape/size of rolling hills.
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# type: noise_params
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# mgcarpathian_np_hills = 0, 3, (257, 257, 257), 6604, 6, 0.5, 2.0
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# 2D noise that controls the shape/size of ridged mountains.
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# type: noise_params
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# mgcarpathian_np_ridge_mnt = 0, 12, (743, 743, 743), 5520, 6, 0.7, 2.0
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# 2D noise that controls the shape/size of step mountains.
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# type: noise_params
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# mgcarpathian_np_step_mnt = 0, 8, (509, 509, 509), 2590, 6, 0.6, 2.0
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# 3D noise for mountain overhangs, cliffs, etc. Usually small variations.
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# type: noise_params
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# mgcarpathian_np_mnt_var = 0, 1, (499, 499, 499), 2490, 5, 0.6, 2.0
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# First of 2 3D noises that together define tunnels.
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# type: noise_params
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# mgcarpathian_np_cave1 = 0, 12, (61, 61, 61), 52534, 3, 0.5, 2.0
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# Second of 2 3D noises that together define tunnels.
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# type: noise_params
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# mgcarpathian_np_cave2 = 0, 12, (67, 67, 67), 10325, 3, 0.5, 2.0
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# 3D noise defining giant caverns.
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# type: noise_params
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# mgcarpathian_np_cavern = 0, 1, (384, 128, 384), 723, 5, 0.63, 2.0
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#### Mapgen flat
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# Map generation attributes specific to Mapgen flat.
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@ -400,6 +400,7 @@ set(common_SRCS
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map_settings_manager.cpp
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mapblock.cpp
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mapgen.cpp
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mapgen_carpathian.cpp
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mapgen_flat.cpp
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mapgen_fractal.cpp
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mapgen_singlenode.cpp
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@ -40,6 +40,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include "util/numeric.h"
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#include "filesys.h"
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#include "log.h"
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#include "mapgen_carpathian.h"
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#include "mapgen_flat.h"
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#include "mapgen_fractal.h"
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#include "mapgen_v5.h"
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@ -86,6 +87,7 @@ static MapgenDesc g_reg_mapgens[] = {
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{"fractal", true},
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{"valleys", true},
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{"singlenode", true},
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{"carpathian", true},
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};
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STATIC_ASSERT(
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@ -159,6 +161,8 @@ Mapgen *Mapgen::createMapgen(MapgenType mgtype, int mgid,
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MapgenParams *params, EmergeManager *emerge)
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{
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switch (mgtype) {
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case MAPGEN_CARPATHIAN:
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return new MapgenCarpathian(mgid, (MapgenCarpathianParams *)params, emerge);
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case MAPGEN_FLAT:
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return new MapgenFlat(mgid, (MapgenFlatParams *)params, emerge);
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case MAPGEN_FRACTAL:
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@ -182,6 +186,8 @@ Mapgen *Mapgen::createMapgen(MapgenType mgtype, int mgid,
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MapgenParams *Mapgen::createMapgenParams(MapgenType mgtype)
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{
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switch (mgtype) {
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case MAPGEN_CARPATHIAN:
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return new MapgenCarpathianParams;
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case MAPGEN_FLAT:
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return new MapgenFlatParams;
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case MAPGEN_FRACTAL:
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@ -118,6 +118,7 @@ enum MapgenType {
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MAPGEN_FRACTAL,
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MAPGEN_VALLEYS,
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MAPGEN_SINGLENODE,
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MAPGEN_CARPATHIAN,
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MAPGEN_INVALID,
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};
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@ -0,0 +1,448 @@
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/*
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Minetest
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Copyright (C) 2010-2016 paramat, Matt Gregory
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Copyright (C) 2010-2016 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
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Copyright (C) 2017 vlapsley, Vaughan Lapsley <vlapsley@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <cmath>
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#include "mapgen.h"
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#include "voxel.h"
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#include "noise.h"
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#include "mapblock.h"
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#include "mapnode.h"
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#include "map.h"
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#include "content_sao.h"
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#include "nodedef.h"
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#include "voxelalgorithms.h"
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//#include "profiler.h" // For TimeTaker
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#include "settings.h" // For g_settings
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#include "emerge.h"
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#include "dungeongen.h"
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#include "cavegen.h"
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#include "mg_biome.h"
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#include "mg_ore.h"
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#include "mg_decoration.h"
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#include "mapgen_carpathian.h"
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FlagDesc flagdesc_mapgen_carpathian[] = {
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{"caverns", MGCARPATHIAN_CAVERNS},
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{NULL, 0}
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};
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///////////////////////////////////////////////////////////////////////////////
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MapgenCarpathian::MapgenCarpathian(
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int mapgenid, MapgenCarpathianParams *params, EmergeManager *emerge)
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: MapgenBasic(mapgenid, params, emerge)
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{
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spflags = params->spflags;
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cave_width = params->cave_width;
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large_cave_depth = params->large_cave_depth;
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cavern_limit = params->cavern_limit;
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cavern_taper = params->cavern_taper;
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cavern_threshold = params->cavern_threshold;
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grad_wl = 1 - water_level;
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//// 2D Terrain noise
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noise_base = new Noise(¶ms->np_base, seed, csize.X, csize.Z);
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noise_filler_depth = new Noise(¶ms->np_filler_depth, seed, csize.X, csize.Z);
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noise_height1 = new Noise(¶ms->np_height1, seed, csize.X, csize.Z);
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noise_height2 = new Noise(¶ms->np_height2, seed, csize.X, csize.Z);
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noise_height3 = new Noise(¶ms->np_height3, seed, csize.X, csize.Z);
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noise_height4 = new Noise(¶ms->np_height4, seed, csize.X, csize.Z);
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noise_hills_terrain = new Noise(¶ms->np_hills_terrain, seed, csize.X, csize.Z);
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noise_ridge_terrain = new Noise(¶ms->np_ridge_terrain, seed, csize.X, csize.Z);
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noise_step_terrain = new Noise(¶ms->np_step_terrain, seed, csize.X, csize.Z);
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noise_hills = new Noise(¶ms->np_hills, seed, csize.X, csize.Z);
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noise_ridge_mnt = new Noise(¶ms->np_ridge_mnt, seed, csize.X, csize.Z);
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noise_step_mnt = new Noise(¶ms->np_step_mnt, seed, csize.X, csize.Z);
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//// 3D terrain noise
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// 1 up 1 down overgeneration
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noise_mnt_var = new Noise(¶ms->np_mnt_var, seed, csize.X, csize.Y + 2, csize.Z);
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//// Cave noise
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MapgenBasic::np_cave1 = params->np_cave1;
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MapgenBasic::np_cave2 = params->np_cave2;
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MapgenBasic::np_cavern = params->np_cavern;
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}
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MapgenCarpathian::~MapgenCarpathian()
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{
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delete noise_base;
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delete noise_filler_depth;
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delete noise_height1;
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delete noise_height2;
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delete noise_height3;
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delete noise_height4;
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delete noise_hills_terrain;
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delete noise_ridge_terrain;
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delete noise_step_terrain;
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delete noise_hills;
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delete noise_ridge_mnt;
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delete noise_step_mnt;
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delete noise_mnt_var;
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}
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MapgenCarpathianParams::MapgenCarpathianParams()
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{
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np_base = NoiseParams(12, 1, v3f(2557, 2557, 2557), 6538, 4, 0.8, 0.5);
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np_filler_depth = NoiseParams(0, 1, v3f(128, 128, 128), 261, 3, 0.7, 2.0);
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np_height1 = NoiseParams(0, 5, v3f(251, 251, 251), 9613, 5, 0.5, 2.0);
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np_height2 = NoiseParams(0, 5, v3f(383, 383, 383), 1949, 5, 0.5, 2.0);
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np_height3 = NoiseParams(0, 5, v3f(509, 509, 509), 3211, 5, 0.5, 2.0);
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np_height4 = NoiseParams(0, 5, v3f(631, 631, 631), 1583, 5, 0.5, 2.0);
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np_hills_terrain = NoiseParams(1, 1, v3f(1301, 1301, 1301), 1692, 5, 0.5, 2.0);
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np_ridge_terrain = NoiseParams(1, 1, v3f(1889, 1889, 1889), 3568, 5, 0.5, 2.0);
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np_step_terrain = NoiseParams(1, 1, v3f(1889, 1889, 1889), 4157, 5, 0.5, 2.0);
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np_hills = NoiseParams(0, 3, v3f(257, 257, 257), 6604, 6, 0.5, 2.0);
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np_ridge_mnt = NoiseParams(0, 12, v3f(743, 743, 743), 5520, 6, 0.7, 2.0);
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np_step_mnt = NoiseParams(0, 8, v3f(509, 509, 509), 2590, 6, 0.6, 2.0);
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np_mnt_var = NoiseParams(0, 1, v3f(499, 499, 499), 2490, 5, 0.6, 2.0);
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np_cave1 = NoiseParams(0, 12, v3f(61, 61, 61), 52534, 3, 0.5, 2.0);
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np_cave2 = NoiseParams(0, 12, v3f(67, 67, 67), 10325, 3, 0.5, 2.0);
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np_cavern = NoiseParams(0, 1, v3f(384, 128, 384), 723, 5, 0.63, 2.0);
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}
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|
||||
void MapgenCarpathianParams::readParams(const Settings *settings)
|
||||
{
|
||||
settings->getFlagStrNoEx("mgcarpathian_spflags", spflags, flagdesc_mapgen_carpathian);
|
||||
settings->getFloatNoEx("mgcarpathian_cave_width", cave_width);
|
||||
settings->getS16NoEx("mgcarpathian_large_cave_depth", large_cave_depth);
|
||||
settings->getS16NoEx("mgcarpathian_cavern_limit", cavern_limit);
|
||||
settings->getS16NoEx("mgcarpathian_cavern_taper", cavern_taper);
|
||||
settings->getFloatNoEx("mgcarpathian_cavern_threshold", cavern_threshold);
|
||||
|
||||
settings->getNoiseParams("mgcarpathian_np_base", np_base);
|
||||
settings->getNoiseParams("mgcarpathian_np_filler_depth", np_filler_depth);
|
||||
settings->getNoiseParams("mgcarpathian_np_height1", np_height1);
|
||||
settings->getNoiseParams("mgcarpathian_np_height2", np_height2);
|
||||
settings->getNoiseParams("mgcarpathian_np_height3", np_height3);
|
||||
settings->getNoiseParams("mgcarpathian_np_height4", np_height4);
|
||||
settings->getNoiseParams("mgcarpathian_np_hills_terrain", np_hills_terrain);
|
||||
settings->getNoiseParams("mgcarpathian_np_ridge_terrain", np_ridge_terrain);
|
||||
settings->getNoiseParams("mgcarpathian_np_step_terrain", np_step_terrain);
|
||||
settings->getNoiseParams("mgcarpathian_np_hills", np_hills);
|
||||
settings->getNoiseParams("mgcarpathian_np_ridge_mnt", np_ridge_mnt);
|
||||
settings->getNoiseParams("mgcarpathian_np_step_mnt", np_step_mnt);
|
||||
settings->getNoiseParams("mgcarpathian_np_mnt_var", np_mnt_var);
|
||||
settings->getNoiseParams("mgcarpathian_np_cave1", np_cave1);
|
||||
settings->getNoiseParams("mgcarpathian_np_cave2", np_cave2);
|
||||
settings->getNoiseParams("mgcarpathian_np_cavern", np_cavern);
|
||||
}
|
||||
|
||||
|
||||
void MapgenCarpathianParams::writeParams(Settings *settings) const
|
||||
{
|
||||
settings->setFlagStr("mgcarpathian_spflags", spflags, flagdesc_mapgen_carpathian, U32_MAX);
|
||||
settings->setFloat("mgcarpathian_cave_width", cave_width);
|
||||
settings->setS16("mgcarpathian_large_cave_depth", large_cave_depth);
|
||||
settings->setS16("mgcarpathian_cavern_limit", cavern_limit);
|
||||
settings->setS16("mgcarpathian_cavern_taper", cavern_taper);
|
||||
settings->setFloat("mgcarpathian_cavern_threshold", cavern_threshold);
|
||||
|
||||
settings->setNoiseParams("mgcarpathian_np_base", np_base);
|
||||
settings->setNoiseParams("mgcarpathian_np_filler_depth", np_filler_depth);
|
||||
settings->setNoiseParams("mgcarpathian_np_height1", np_height1);
|
||||
settings->setNoiseParams("mgcarpathian_np_height2", np_height2);
|
||||
settings->setNoiseParams("mgcarpathian_np_height3", np_height3);
|
||||
settings->setNoiseParams("mgcarpathian_np_height4", np_height4);
|
||||
settings->setNoiseParams("mgcarpathian_np_hills_terrain", np_hills_terrain);
|
||||
settings->setNoiseParams("mgcarpathian_np_ridge_terrain", np_ridge_terrain);
|
||||
settings->setNoiseParams("mgcarpathian_np_step_terrain", np_step_terrain);
|
||||
settings->setNoiseParams("mgcarpathian_np_hills", np_hills);
|
||||
settings->setNoiseParams("mgcarpathian_np_ridge_mnt", np_ridge_mnt);
|
||||
settings->setNoiseParams("mgcarpathian_np_step_mnt", np_step_mnt);
|
||||
settings->setNoiseParams("mgcarpathian_np_mnt_var", np_mnt_var);
|
||||
settings->setNoiseParams("mgcarpathian_np_cave1", np_cave1);
|
||||
settings->setNoiseParams("mgcarpathian_np_cave2", np_cave2);
|
||||
settings->setNoiseParams("mgcarpathian_np_cavern", np_cavern);
|
||||
}
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
// Lerp function
|
||||
inline float MapgenCarpathian::getLerp(float noise1, float noise2, float mod)
|
||||
{
|
||||
return noise1 + mod * (noise2 - noise1);
|
||||
}
|
||||
|
||||
// Steps function
|
||||
float MapgenCarpathian::getSteps(float noise1, float noise2)
|
||||
{
|
||||
float w = fabs(noise2);
|
||||
float k = floor(noise1 / w);
|
||||
float f = (noise1 - k * w) / w;
|
||||
float s = std::fmin(2.f * f, 1.f);
|
||||
return (k + s) * w;
|
||||
}
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
void MapgenCarpathian::makeChunk(BlockMakeData *data)
|
||||
{
|
||||
// Pre-conditions
|
||||
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);
|
||||
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);
|
||||
|
||||
this->generating = true;
|
||||
this->vm = data->vmanip;
|
||||
this->ndef = data->nodedef;
|
||||
|
||||
v3s16 blockpos_min = data->blockpos_min;
|
||||
v3s16 blockpos_max = data->blockpos_max;
|
||||
node_min = blockpos_min * MAP_BLOCKSIZE;
|
||||
node_max = (blockpos_max + v3s16(1, 1, 1)) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
|
||||
full_node_min = (blockpos_min - 1) * MAP_BLOCKSIZE;
|
||||
full_node_max = (blockpos_max + 2) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
|
||||
|
||||
// Create a block-specific seed
|
||||
blockseed = getBlockSeed2(full_node_min, seed);
|
||||
|
||||
// Generate terrain
|
||||
s16 stone_surface_max_y = generateTerrain();
|
||||
|
||||
// Create heightmap
|
||||
updateHeightmap(node_min, node_max);
|
||||
|
||||
// Init biome generator, place biome-specific nodes, and build biomemap
|
||||
biomegen->calcBiomeNoise(node_min);
|
||||
MgStoneType stone_type = generateBiomes();
|
||||
|
||||
// Generate caverns, tunnels and classic caves
|
||||
if (flags & MG_CAVES) {
|
||||
bool has_cavern = false;
|
||||
// Generate caverns
|
||||
if (spflags & MGCARPATHIAN_CAVERNS)
|
||||
has_cavern = generateCaverns(stone_surface_max_y);
|
||||
// Generate tunnels and classic caves
|
||||
if (has_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, large_cave_depth);
|
||||
}
|
||||
|
||||
// Generate dungeons
|
||||
if (flags & MG_DUNGEONS)
|
||||
generateDungeons(stone_surface_max_y, stone_type);
|
||||
|
||||
// Generate the registered decorations
|
||||
if (flags & MG_DECORATIONS)
|
||||
m_emerge->decomgr->placeAllDecos(this, blockseed, node_min, node_max);
|
||||
|
||||
// Generate the registered ores
|
||||
m_emerge->oremgr->placeAllOres(this, blockseed, node_min, node_max);
|
||||
|
||||
// Sprinkle some dust on top after everything else was generated
|
||||
dustTopNodes();
|
||||
|
||||
// Update liquids
|
||||
updateLiquid(&data->transforming_liquid, full_node_min, full_node_max);
|
||||
|
||||
// Calculate lighting
|
||||
if (flags & MG_LIGHT) {
|
||||
calcLighting(node_min - v3s16(0, 1, 0), node_max + v3s16(0, 1, 0),
|
||||
full_node_min, full_node_max);
|
||||
}
|
||||
|
||||
this->generating = false;
|
||||
}
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
int MapgenCarpathian::getSpawnLevelAtPoint(v2s16 p)
|
||||
{
|
||||
s16 level_at_point = terrainLevelAtPoint(p.X, p.Y);
|
||||
if (level_at_point <= water_level || level_at_point > water_level + 32)
|
||||
return MAX_MAP_GENERATION_LIMIT; // Unsuitable spawn point
|
||||
else
|
||||
return level_at_point;
|
||||
}
|
||||
|
||||
|
||||
float MapgenCarpathian::terrainLevelAtPoint(s16 x, s16 z)
|
||||
{
|
||||
float ground = NoisePerlin2D(&noise_base->np, x, z, seed);
|
||||
float height1 = NoisePerlin2D(&noise_height1->np, x, z, seed);
|
||||
float height2 = NoisePerlin2D(&noise_height2->np, x, z, seed);
|
||||
float height3 = NoisePerlin2D(&noise_height3->np, x, z, seed);
|
||||
float height4 = NoisePerlin2D(&noise_height4->np, x, z, seed);
|
||||
float hter = NoisePerlin2D(&noise_hills_terrain->np, x, z, seed);
|
||||
float rter = NoisePerlin2D(&noise_ridge_terrain->np, x, z, seed);
|
||||
float ster = NoisePerlin2D(&noise_step_terrain->np, x, z, seed);
|
||||
float n_hills = NoisePerlin2D(&noise_hills->np, x, z, seed);
|
||||
float n_ridge_mnt = NoisePerlin2D(&noise_ridge_mnt->np, x, z, seed);
|
||||
float n_step_mnt = NoisePerlin2D(&noise_step_mnt->np, x, z, seed);
|
||||
|
||||
int height = -MAX_MAP_GENERATION_LIMIT;
|
||||
|
||||
for (s16 y = 1; y <= 30; y++) {
|
||||
float mnt_var = NoisePerlin3D(&noise_mnt_var->np, x, y, z, seed);
|
||||
|
||||
// Gradient & shallow seabed
|
||||
s32 grad = (y < water_level) ? grad_wl + (water_level - y) * 3 : 1 - y;
|
||||
|
||||
// Hill/Mountain height (hilliness)
|
||||
float hill1 = getLerp(height1, height2, mnt_var);
|
||||
float hill2 = getLerp(height3, height4, mnt_var);
|
||||
float hill3 = getLerp(height3, height2, mnt_var);
|
||||
float hill4 = getLerp(height1, height4, mnt_var);
|
||||
float hilliness = std::fmax(std::fmin(hill1, hill2), std::fmin(hill3, hill4));
|
||||
|
||||
// Rolling hills
|
||||
float hill_mnt = hilliness * pow(n_hills, 2.f);
|
||||
float hills = pow(hter, 3.f) * hill_mnt;
|
||||
|
||||
// Ridged mountains
|
||||
float ridge_mnt = hilliness * (1.f - fabs(n_ridge_mnt));
|
||||
float ridged_mountains = pow(rter, 3.f) * ridge_mnt;
|
||||
|
||||
// Step (terraced) mountains
|
||||
float step_mnt = hilliness * getSteps(n_step_mnt, fabs(mnt_var));
|
||||
float step_mountains = pow(ster, 3.f) * step_mnt;
|
||||
|
||||
// Final terrain level
|
||||
float mountains = hills + ridged_mountains + step_mountains;
|
||||
float surface_level = ground + mountains + grad;
|
||||
|
||||
if (y > surface_level && height < 0)
|
||||
height = y;
|
||||
}
|
||||
|
||||
return height;
|
||||
}
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
int MapgenCarpathian::generateTerrain()
|
||||
{
|
||||
MapNode mn_air(CONTENT_AIR);
|
||||
MapNode mn_stone(c_stone);
|
||||
MapNode mn_water(c_water_source);
|
||||
|
||||
s16 stone_surface_max_y = -MAX_MAP_GENERATION_LIMIT;
|
||||
u32 index2d = 0;
|
||||
u32 index3d = 0;
|
||||
|
||||
// Calculate noise for terrain generation
|
||||
noise_base->perlinMap2D(node_min.X, node_min.Z);
|
||||
noise_height1->perlinMap2D(node_min.X, node_min.Z);
|
||||
noise_height2->perlinMap2D(node_min.X, node_min.Z);
|
||||
noise_height3->perlinMap2D(node_min.X, node_min.Z);
|
||||
noise_height4->perlinMap2D(node_min.X, node_min.Z);
|
||||
noise_hills_terrain->perlinMap2D(node_min.X, node_min.Z);
|
||||
noise_ridge_terrain->perlinMap2D(node_min.X, node_min.Z);
|
||||
noise_step_terrain->perlinMap2D(node_min.X, node_min.Z);
|
||||
noise_hills->perlinMap2D(node_min.X, node_min.Z);
|
||||
noise_ridge_mnt->perlinMap2D(node_min.X, node_min.Z);
|
||||
noise_step_mnt->perlinMap2D(node_min.X, node_min.Z);
|
||||
noise_mnt_var->perlinMap3D(node_min.X, node_min.Y - 1, node_min.Z);
|
||||
|
||||
//// Place nodes
|
||||
for (s16 z = node_min.Z; z <= node_max.Z; z++) {
|
||||
for (s16 y = node_min.Y - 1; y <= node_max.Y + 1; y++) {
|
||||
u32 vi = vm->m_area.index(node_min.X, y, z);
|
||||
for (s16 x = node_min.X; x <= node_max.X;
|
||||
x++, vi++, index2d++, index3d++) {
|
||||
if (vm->m_data[vi].getContent() != CONTENT_IGNORE)
|
||||
continue;
|
||||
|
||||
// Base terrain
|
||||
float ground = noise_base->result[index2d];
|
||||
|
||||
// Gradient & shallow seabed
|
||||
s32 grad = (y < water_level) ? grad_wl + (water_level - y) * 3 : 1 - y;
|
||||
|
||||
// Hill/Mountain height (hilliness)
|
||||
float height1 = noise_height1->result[index2d];
|
||||
float height2 = noise_height2->result[index2d];
|
||||
float height3 = noise_height3->result[index2d];
|
||||
float height4 = noise_height4->result[index2d];
|
||||
float mnt_var = noise_mnt_var->result[index3d];
|
||||
// Combine height noises and apply 3D variation
|
||||
float hill1 = getLerp(height1, height2, mnt_var);
|
||||
float hill2 = getLerp(height3, height4, mnt_var);
|
||||
float hill3 = getLerp(height3, height2, mnt_var);
|
||||
float hill4 = getLerp(height1, height4, mnt_var);
|
||||
// 'hilliness' determines whether hills/mountains are
|
||||
// small or large
|
||||
float hilliness = std::fmax(std::fmin(hill1, hill2), std::fmin(hill3, hill4));
|
||||
|
||||
// Rolling hills
|
||||
float hter = noise_hills_terrain->result[index2d];
|
||||
float n_hills = noise_hills->result[index2d];
|
||||
float hill_mnt = hilliness * pow(n_hills, 2.f);
|
||||
float hills = pow(fabs(hter), 3.f) * hill_mnt;
|
||||
|
||||
// Ridged mountains
|
||||
float rter = noise_ridge_terrain->result[index2d];
|
||||
float n_ridge_mnt = noise_ridge_mnt->result[index2d];
|
||||
float ridge_mnt = hilliness * (1.f - fabs(n_ridge_mnt));
|
||||
float ridged_mountains = pow(fabs(rter), 3.f) * ridge_mnt;
|
||||
|
||||
// Step (terraced) mountains
|
||||
float ster = noise_step_terrain->result[index2d];
|
||||
float n_step_mnt = noise_step_mnt->result[index2d];
|
||||
float step_mnt = hilliness * getSteps(n_step_mnt, fabs(mnt_var));
|
||||
float step_mountains = pow(fabs(ster), 3.f) * step_mnt;
|
||||
|
||||
// Final terrain level
|
||||
float mountains = hills + ridged_mountains + step_mountains;
|
||||
float surface_level = ground + mountains + grad;
|
||||
|
||||
if (y < surface_level) {
|
||||
vm->m_data[vi] = mn_stone; // Stone
|
||||
if (y > stone_surface_max_y)
|
||||
stone_surface_max_y = y;
|
||||
} else if (y <= water_level) {
|
||||
vm->m_data[vi] = mn_water; // Sea water
|
||||
} else {
|
||||
vm->m_data[vi] = mn_air; // Air
|
||||
}
|
||||
}
|
||||
index2d -= ystride;
|
||||
}
|
||||
index2d += ystride;
|
||||
}
|
||||
|
||||
return stone_surface_max_y;
|
||||
}
|
||||
|
|
@ -0,0 +1,104 @@
|
|||
/*
|
||||
Minetest
|
||||
Copyright (C) 2010-2016 paramat, Matt Gregory
|
||||
Copyright (C) 2010-2016 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
|
||||
Copyright (C) 2017 vlapsley, Vaughan Lapsley <vlapsley@gmail.com>
|
||||
|
||||
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
|
||||
the Free Software Foundation; either version 2.1 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License along
|
||||
with this program; if not, write to the Free Software Foundation, Inc.,
|
||||
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*/
|
||||
|
||||
#ifndef MAPGEN_CARPATHIAN_HEADER
|
||||
#define MAPGEN_CARPATHIAN_HEADER
|
||||
|
||||
#include "mapgen.h"
|
||||
|
||||
///////// Mapgen Carpathian flags
|
||||
#define MGCARPATHIAN_CAVERNS 0x01
|
||||
|
||||
class BiomeManager;
|
||||
|
||||
extern FlagDesc flagdesc_mapgen_carpathian[];
|
||||
|
||||
|
||||
struct MapgenCarpathianParams : public MapgenParams
|
||||
{
|
||||
u32 spflags = MGCARPATHIAN_CAVERNS;
|
||||
float cave_width = 0.09f;
|
||||
s16 large_cave_depth = -33;
|
||||
s16 cavern_limit = -256;
|
||||
s16 cavern_taper = 256;
|
||||
float cavern_threshold = 0.7f;
|
||||
|
||||
NoiseParams np_base;
|
||||
NoiseParams np_filler_depth;
|
||||
NoiseParams np_height1;
|
||||
NoiseParams np_height2;
|
||||
NoiseParams np_height3;
|
||||
NoiseParams np_height4;
|
||||
NoiseParams np_hills_terrain;
|
||||
NoiseParams np_ridge_terrain;
|
||||
NoiseParams np_step_terrain;
|
||||
NoiseParams np_hills;
|
||||
NoiseParams np_ridge_mnt;
|
||||
NoiseParams np_step_mnt;
|
||||
NoiseParams np_mnt_var;
|
||||
NoiseParams np_cave1;
|
||||
NoiseParams np_cave2;
|
||||
NoiseParams np_cavern;
|
||||
|
||||
MapgenCarpathianParams();
|
||||
~MapgenCarpathianParams() {}
|
||||
|
||||
void readParams(const Settings *settings);
|
||||
void writeParams(Settings *settings) const;
|
||||
};
|
||||
|
||||
class MapgenCarpathian : public MapgenBasic
|
||||
{
|
||||
public:
|
||||
MapgenCarpathian(int mapgenid, MapgenCarpathianParams *params,
|
||||
EmergeManager *emerge);
|
||||
~MapgenCarpathian();
|
||||
|
||||
virtual MapgenType getType() const { return MAPGEN_CARPATHIAN; }
|
||||
|
||||
float getSteps(float noise1, float noise2);
|
||||
inline float getLerp(float noise1, float noise2, float mod);
|
||||
|
||||
virtual void makeChunk(BlockMakeData *data);
|
||||
int getSpawnLevelAtPoint(v2s16 p);
|
||||
|
||||
private:
|
||||
s16 large_cave_depth;
|
||||
s32 grad_wl;
|
||||
|
||||
Noise *noise_base;
|
||||
Noise *noise_height1;
|
||||
Noise *noise_height2;
|
||||
Noise *noise_height3;
|
||||
Noise *noise_height4;
|
||||
Noise *noise_hills_terrain;
|
||||
Noise *noise_ridge_terrain;
|
||||
Noise *noise_step_terrain;
|
||||
Noise *noise_hills;
|
||||
Noise *noise_ridge_mnt;
|
||||
Noise *noise_step_mnt;
|
||||
Noise *noise_mnt_var;
|
||||
|
||||
float terrainLevelAtPoint(s16 x, s16 z);
|
||||
int generateTerrain();
|
||||
};
|
||||
|
||||
#endif
|
||||
|
|
@ -129,6 +129,8 @@ src/mapblock_mesh.cpp
|
|||
src/mapblock_mesh.h
|
||||
src/map.cpp
|
||||
src/mapgen.cpp
|
||||
src/mapgen_carpathian.cpp
|
||||
src/mapgen_carpathian.h
|
||||
src/mapgen_flat.cpp
|
||||
src/mapgen_fractal.cpp
|
||||
src/mapgen.h
|
||||
|
|
|
|||
Loading…
Reference in New Issue