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Use setting groups for NoiseParams
Add format example to minetest.conf.example Add Settings::setU16() Throw exception on attempted access of NULL settings groups
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@ -443,7 +443,21 @@
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#mgv5_np_wetness = 0, 1, (40, 40, 40), 32474, 4, 1.1
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#mgv6_spflags = biomeblend, jungles, mudflow
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#
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# Noise parameters can be specified as a set of positional values:
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#mgv6_np_terrain_base = -4, 20, (250, 250, 250), 82341, 5, 0.6
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#
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# Or the new group format can be used instead:
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#mgv6_np_terrain_base = {
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# offset = -4
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# scale = 20
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# spread = (250, 250, 250)
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# seed = 82341
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# octaves = 5
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# persistence = 0.6
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#}
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#mgv6_np_terrain_higher = 20, 16, (500, 500, 500), 85039, 5, 0.6
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#mgv6_np_steepness = 0.85, 0.5, (125, 125, 125), -932, 5, 0.7
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#mgv6_np_height_select = 0.5, 1, (250, 250, 250), 4213, 5, 0.69
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15
src/noise.h
15
src/noise.h
@ -70,8 +70,8 @@ struct NoiseParams {
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float offset;
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float scale;
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v3f spread;
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int seed;
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int octaves;
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s32 seed;
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u16 octaves;
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float persist;
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bool eased;
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@ -91,12 +91,11 @@ struct NoiseParams {
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};
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// Convenience macros for getting/setting NoiseParams in Settings
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#define NOISEPARAMS_FMT_STR "f,f,v3,s32,s32,f"
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#define getNoiseParams(x, y) getStruct((x), NOISEPARAMS_FMT_STR, &(y), sizeof(y))
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#define setNoiseParams(x, y) setStruct((x), NOISEPARAMS_FMT_STR, &(y))
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// Convenience macros for getting/setting NoiseParams in Settings as a string
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// WARNING: Deprecated, use Settings::getNoiseParamsFromValue() instead
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#define NOISEPARAMS_FMT_STR "f,f,v3,s32,u16,f"
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//#define getNoiseParams(x, y) getStruct((x), NOISEPARAMS_FMT_STR, &(y), sizeof(y))
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//#define setNoiseParams(x, y) setStruct((x), NOISEPARAMS_FMT_STR, &(y))
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class Noise {
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public:
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@ -29,6 +29,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include "log.h"
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#include "util/serialize.h"
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#include "filesys.h"
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#include "noise.h"
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#include <cctype>
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#include <algorithm>
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@ -358,7 +359,10 @@ const SettingsEntry &Settings::getEntry(const std::string &name) const
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Settings *Settings::getGroup(const std::string &name) const
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{
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return getEntry(name).group;
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Settings *group = getEntry(name).group;
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if (group == NULL)
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throw SettingNotFoundException("Setting [" + name + "] is not a group.");
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return group;
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}
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@ -461,6 +465,55 @@ bool Settings::getStruct(const std::string &name, const std::string &format,
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}
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bool Settings::getNoiseParams(const std::string &name, NoiseParams &np) const
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{
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return getNoiseParamsFromGroup(name, np) || getNoiseParamsFromValue(name, np);
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}
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bool Settings::getNoiseParamsFromValue(const std::string &name,
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NoiseParams &np) const
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{
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std::string value;
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if (!getNoEx(name, value))
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return false;
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Strfnd f(value);
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np.offset = stof(f.next(","));
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np.scale = stof(f.next(","));
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f.next("(");
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np.spread.X = stof(f.next(","));
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np.spread.Y = stof(f.next(","));
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np.spread.Z = stof(f.next(")"));
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np.seed = stoi(f.next(","));
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np.octaves = stoi(f.next(","));
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np.persist = stof(f.next(""));
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return true;
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}
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bool Settings::getNoiseParamsFromGroup(const std::string &name,
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NoiseParams &np) const
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{
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Settings *group = NULL;
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if (!getGroupNoEx(name, group))
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return false;
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group->getFloatNoEx("offset", np.offset);
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group->getFloatNoEx("scale", np.scale);
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group->getV3FNoEx("spread", np.spread);
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group->getS32NoEx("seed", np.seed);
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group->getU16NoEx("octaves", np.octaves);
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group->getFloatNoEx("persistence", np.persist);
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return true;
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}
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bool Settings::exists(const std::string &name) const
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{
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JMutexAutoLock lock(m_mutex);
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@ -682,6 +735,12 @@ void Settings::setS16(const std::string &name, s16 value)
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}
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void Settings::setU16(const std::string &name, u16 value)
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{
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set(name, itos(value));
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}
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void Settings::setS32(const std::string &name, s32 value)
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{
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set(name, itos(value));
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@ -737,6 +796,21 @@ bool Settings::setStruct(const std::string &name, const std::string &format,
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}
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void Settings::setNoiseParams(const std::string &name, const NoiseParams &np)
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{
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Settings *group = new Settings;
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group->setFloat("offset", np.offset);
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group->setFloat("scale", np.scale);
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group->setV3F("spread", np.spread);
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group->setS32("seed", np.seed);
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group->setU16("octaves", np.octaves);
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group->setFloat("persistence", np.persist);
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setGroup(name, group);
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}
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bool Settings::remove(const std::string &name)
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{
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JMutexAutoLock lock(m_mutex);
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@ -29,6 +29,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include <set>
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class Settings;
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struct NoiseParams;
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/** function type to register a changed callback */
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typedef void (*setting_changed_callback)(const std::string);
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@ -142,6 +143,9 @@ public:
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// the behavior is undefined.
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bool getStruct(const std::string &name, const std::string &format,
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void *out, size_t olen) const;
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bool getNoiseParams(const std::string &name, NoiseParams &np) const;
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bool getNoiseParamsFromValue(const std::string &name, NoiseParams &np) const;
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bool getNoiseParamsFromGroup(const std::string &name, NoiseParams &np) const;
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// return all keys used
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std::vector<std::string> getNames() const;
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@ -181,6 +185,7 @@ public:
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void setGroupDefault(const std::string &name, Settings *group);
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void setBool(const std::string &name, bool value);
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void setS16(const std::string &name, s16 value);
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void setU16(const std::string &name, u16 value);
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void setS32(const std::string &name, s32 value);
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void setU64(const std::string &name, u64 value);
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void setFloat(const std::string &name, float value);
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@ -188,6 +193,7 @@ public:
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void setV3F(const std::string &name, v3f value);
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void setFlagStr(const std::string &name, u32 flags,
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const FlagDesc *flagdesc, u32 flagmask);
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void setNoiseParams(const std::string &name, const NoiseParams &np);
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// N.B. if setStruct() is used to write a non-POD aggregate type,
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// the behavior is undefined.
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bool setStruct(const std::string &name, const std::string &format, void *value);
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@ -512,7 +512,7 @@ struct TestSettings: public TestBase
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// Test settings groups
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Settings *group = s.getGroup("asdf");
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UASSERT(group != NULL);
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UASSERT(s.getGroup("zoop") == NULL);
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UASSERT(s.getGroupNoEx("zoop", group) == false);
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UASSERT(group->getS16("a") == 5);
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UASSERT(fabs(group->getFloat("b") - 2.5) < 0.001);
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