^ Leave field unset to leave that parameter unchanged
^ flags contains a comma-delimited string of flags to set, or if the prefix "no" is attached, clears instead.
^ flags is in the same format and has the same options as 'mg_flags' in minetest.conf
+minetest.set_noiseparam_defaults({np1=NoiseParams, np2= NoiseParams, ...})
+^ Sets the default value of a noiseparam setting
+^ Takes a table as an argument that maps one or more setting names to NoiseParams structures
+^ Possible setting names consist of any NoiseParams setting exposed through the global settings
minetest.clear_objects()
^ clear all objects in the environments
minetest.line_of_sight(pos1, pos2, stepsize) -> true/false, pos
*/
#include "settings.h"
+#include "porting.h"
#include "filesys.h"
#include "config.h"
emergethread.push_back(new EmergeThread((Server *)gamedef, i));
infostream << "EmergeManager: using " << nthreads << " threads" << std::endl;
-
- loadParamsFromSettings(g_settings);
-
- if (g_settings->get("fixed_map_seed").empty()) {
- params.seed = (((u64)(myrand() & 0xffff) << 0)
- | ((u64)(myrand() & 0xffff) << 16)
- | ((u64)(myrand() & 0xffff) << 32)
- | ((u64)(myrand() & 0xffff) << 48));
- }
}
}
+void EmergeManager::loadMapgenParams() {
+ loadParamsFromSettings(g_settings);
+
+ if (g_settings->get("fixed_map_seed").empty()) {
+ params.seed = (((u64)(myrand() & 0xffff) << 0)
+ | ((u64)(myrand() & 0xffff) << 16)
+ | ((u64)(myrand() & 0xffff) << 32)
+ | ((u64)(myrand() & 0xffff) << 48));
+ }
+}
+
+
void EmergeManager::initMapgens() {
if (mapgen.size())
return;
EmergeManager(IGameDef *gamedef);
~EmergeManager();
+ void loadMapgenParams();
void initMapgens();
Mapgen *getCurrentMapgen();
Mapgen *createMapgen(std::string mgname, int mgid,
// Convenience macros for getting/setting NoiseParams in Settings
-#define getNoiseParams(x, y) getStruct((x), "f,f,v3,s32,s32,f", &(y), sizeof(y))
-#define setNoiseParams(x, y) setStruct((x), "f,f,v3,s32,s32,f", &(y))
+
+#define NOISEPARAMS_FMT_STR "f,f,v3,s32,s32,f"
+
+#define getNoiseParams(x, y) getStruct((x), NOISEPARAMS_FMT_STR, &(y), sizeof(y))
+#define setNoiseParams(x, y) setStruct((x), NOISEPARAMS_FMT_STR, &(y))
class Noise {
public:
/******************************************************************************/
NoiseParams *read_noiseparams(lua_State *L, int index)
+{
+ NoiseParams *np = new NoiseParams;
+
+ if (!read_noiseparams_nc(L, index, np)) {
+ delete np;
+ np = NULL;
+ }
+
+ return np;
+}
+
+bool read_noiseparams_nc(lua_State *L, int index, NoiseParams *np)
{
if (index < 0)
index = lua_gettop(L) + 1 + index;
if (!lua_istable(L, index))
- return NULL;
+ return false;
- NoiseParams *np = new NoiseParams;
+ 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->offset = getfloatfield_default(L, index, "offset", 0.0);
- np->scale = getfloatfield_default(L, index, "scale", 0.0);
lua_getfield(L, index, "spread");
np->spread = read_v3f(L, -1);
lua_pop(L, 1);
- np->seed = getintfield_default(L, index, "seed", 0);
- np->octaves = getintfield_default(L, index, "octaves", 0);
- np->persist = getfloatfield_default(L, index, "persist", 0.0);
- return np;
+ return true;
}
/******************************************************************************/
NoiseParams* read_noiseparams (lua_State *L, int index);
+bool read_noiseparams_nc (lua_State *L, int index,
+ NoiseParams *np);
+
bool read_schematic (lua_State *L, int index,
DecoSchematic *dschem,
Server *server);
return 0;
}
+// minetest.set_noiseparam_defaults({np1={noise params}, ...})
+// set default values for noise parameters if not present in global settings
+int ModApiMapgen::l_set_noiseparam_defaults(lua_State *L)
+{
+ NoiseParams np;
+ std::string val, name;
+
+ if (!lua_istable(L, 1))
+ return 0;
+
+ lua_pushnil(L);
+ while (lua_next(L, 1)) {
+ if (read_noiseparams_nc(L, -1, &np)) {
+ if (!serializeStructToString(&val, NOISEPARAMS_FMT_STR, &np))
+ continue;
+ if (!lua_isstring(L, -2))
+ continue;
+
+ name = lua_tostring(L, -2);
+ g_settings->setDefault(name, val);
+ }
+ lua_pop(L, 1);
+ }
+
+ return 0;
+}
+
// set_gen_notify(string)
int ModApiMapgen::l_set_gen_notify(lua_State *L)
{
API_FCT(get_mapgen_object);
API_FCT(set_mapgen_params);
+ API_FCT(set_noiseparam_defaults);
API_FCT(set_gen_notify);
API_FCT(register_biome);
// set mapgen parameters
static int l_set_mapgen_params(lua_State *L);
+ // minetest.set_noiseparam_defaults({np1={noise params}, ...})
+ static int l_set_noiseparam_defaults(lua_State *L);
+
// set_gen_notify(flagstring)
static int l_set_gen_notify(lua_State *L);
// Apply item aliases in the node definition manager
m_nodedef->updateAliases(m_itemdef);
+ // Load the mapgen params from global settings now after any
+ // initial overrides have been set by the mods
+ m_emerge->loadMapgenParams();
+
// Initialize Environment
ServerMap *servermap = new ServerMap(path_world, this, m_emerge);
m_env = new ServerEnvironment(servermap, m_script, this);
#include "debug.h"
#include "log.h"
#include "util/string.h"
-#include "porting.h"
+#include "util/serialize.h"
#include <list>
#include <map>
#include <set>
// the behavior is undefined.
bool getStruct(std::string name, std::string format, void *out, size_t olen)
{
- size_t len = olen;
- std::vector<std::string *> strs_alloced;
- std::string *str, valstr;
- char *f, *snext;
- size_t pos;
+ std::string valstr;
try {
valstr = get(name);
return false;
}
- char *s = &valstr[0];
- char *buf = new char[len];
- char *bufpos = buf;
-
- char *fmtpos, *fmt = &format[0];
- while ((f = strtok_r(fmt, ",", &fmtpos)) && s) {
- fmt = NULL;
-
- bool is_unsigned = false;
- int width = 0;
- char valtype = *f;
-
- width = (int)strtol(f + 1, &f, 10);
- if (width && valtype == 's')
- valtype = 'i';
-
- switch (valtype) {
- case 'u':
- is_unsigned = true;
- /* FALLTHROUGH */
- case 'i':
- if (width == 16) {
- bufpos += PADDING(bufpos, u16);
- if ((bufpos - buf) + sizeof(u16) <= len) {
- if (is_unsigned)
- *(u16 *)bufpos = (u16)strtoul(s, &s, 10);
- else
- *(s16 *)bufpos = (s16)strtol(s, &s, 10);
- }
- bufpos += sizeof(u16);
- } else if (width == 32) {
- bufpos += PADDING(bufpos, u32);
- if ((bufpos - buf) + sizeof(u32) <= len) {
- if (is_unsigned)
- *(u32 *)bufpos = (u32)strtoul(s, &s, 10);
- else
- *(s32 *)bufpos = (s32)strtol(s, &s, 10);
- }
- bufpos += sizeof(u32);
- } else if (width == 64) {
- bufpos += PADDING(bufpos, u64);
- if ((bufpos - buf) + sizeof(u64) <= len) {
- if (is_unsigned)
- *(u64 *)bufpos = (u64)strtoull(s, &s, 10);
- else
- *(s64 *)bufpos = (s64)strtoll(s, &s, 10);
- }
- bufpos += sizeof(u64);
- }
- s = strchr(s, ',');
- break;
- case 'b':
- snext = strchr(s, ',');
- if (snext)
- *snext++ = 0;
-
- bufpos += PADDING(bufpos, bool);
- if ((bufpos - buf) + sizeof(bool) <= len)
- *(bool *)bufpos = is_yes(std::string(s));
- bufpos += sizeof(bool);
-
- s = snext;
- break;
- case 'f':
- bufpos += PADDING(bufpos, float);
- if ((bufpos - buf) + sizeof(float) <= len)
- *(float *)bufpos = strtof(s, &s);
- bufpos += sizeof(float);
-
- s = strchr(s, ',');
- break;
- case 's':
- while (*s == ' ' || *s == '\t')
- s++;
- if (*s++ != '"') //error, expected string
- goto fail;
- snext = s;
-
- while (snext[0] && !(snext[-1] != '\\' && snext[0] == '"'))
- snext++;
- *snext++ = 0;
-
- bufpos += PADDING(bufpos, std::string *);
-
- str = new std::string(s);
- pos = 0;
- while ((pos = str->find("\\\"", pos)) != std::string::npos)
- str->erase(pos, 1);
-
- if ((bufpos - buf) + sizeof(std::string *) <= len)
- *(std::string **)bufpos = str;
- bufpos += sizeof(std::string *);
- strs_alloced.push_back(str);
-
- s = *snext ? snext + 1 : NULL;
- break;
- case 'v':
- while (*s == ' ' || *s == '\t')
- s++;
- if (*s++ != '(') //error, expected vector
- goto fail;
-
- if (width == 2) {
- bufpos += PADDING(bufpos, v2f);
-
- if ((bufpos - buf) + sizeof(v2f) <= len) {
- v2f *v = (v2f *)bufpos;
- v->X = strtof(s, &s);
- s++;
- v->Y = strtof(s, &s);
- }
-
- bufpos += sizeof(v2f);
- } else if (width == 3) {
- bufpos += PADDING(bufpos, v3f);
- if ((bufpos - buf) + sizeof(v3f) <= len) {
- v3f *v = (v3f *)bufpos;
- v->X = strtof(s, &s);
- s++;
- v->Y = strtof(s, &s);
- s++;
- v->Z = strtof(s, &s);
- }
-
- bufpos += sizeof(v3f);
- }
- s = strchr(s, ',');
- break;
- default: //error, invalid format specifier
- goto fail;
- }
-
- if (s && *s == ',')
- s++;
-
- if ((size_t)(bufpos - buf) > len) //error, buffer too small
- goto fail;
- }
-
- if (f && *f) { //error, mismatched number of fields and values
-fail:
- for (size_t i = 0; i != strs_alloced.size(); i++)
- delete strs_alloced[i];
- delete[] buf;
+ if (!deSerializeStringToStruct(valstr, format, out, olen))
return false;
- }
- memcpy(out, buf, olen);
- delete[] buf;
return true;
}
// the behavior is undefined.
bool setStruct(std::string name, std::string format, void *value)
{
- char sbuf[2048];
- int sbuflen = sizeof(sbuf) - 1;
- sbuf[sbuflen] = 0;
- std::string str;
- int pos = 0;
- size_t fpos;
- char *f;
-
- char *bufpos = (char *)value;
- char *fmtpos, *fmt = &format[0];
- while ((f = strtok_r(fmt, ",", &fmtpos))) {
- fmt = NULL;
- bool is_unsigned = false;
- int width = 0, nprinted = 0;
- char valtype = *f;
-
- width = (int)strtol(f + 1, &f, 10);
- if (width && valtype == 's')
- valtype = 'i';
-
- switch (valtype) {
- case 'u':
- is_unsigned = true;
- /* FALLTHROUGH */
- case 'i':
- if (width == 16) {
- bufpos += PADDING(bufpos, u16);
- nprinted = snprintf(sbuf + pos, sbuflen,
- is_unsigned ? "%u, " : "%d, ",
- *((u16 *)bufpos));
- bufpos += sizeof(u16);
- } else if (width == 32) {
- bufpos += PADDING(bufpos, u32);
- nprinted = snprintf(sbuf + pos, sbuflen,
- is_unsigned ? "%u, " : "%d, ",
- *((u32 *)bufpos));
- bufpos += sizeof(u32);
- } else if (width == 64) {
- bufpos += PADDING(bufpos, u64);
- nprinted = snprintf(sbuf + pos, sbuflen,
- is_unsigned ? "%llu, " : "%lli, ",
- (unsigned long long)*((u64 *)bufpos));
- bufpos += sizeof(u64);
- }
- break;
- case 'b':
- bufpos += PADDING(bufpos, bool);
- nprinted = snprintf(sbuf + pos, sbuflen, "%s, ",
- *((bool *)bufpos) ? "true" : "false");
- bufpos += sizeof(bool);
- break;
- case 'f':
- bufpos += PADDING(bufpos, float);
- nprinted = snprintf(sbuf + pos, sbuflen, "%f, ",
- *((float *)bufpos));
- bufpos += sizeof(float);
- break;
- case 's':
- bufpos += PADDING(bufpos, std::string *);
- str = **((std::string **)bufpos);
-
- fpos = 0;
- while ((fpos = str.find('"', fpos)) != std::string::npos) {
- str.insert(fpos, 1, '\\');
- fpos += 2;
- }
-
- nprinted = snprintf(sbuf + pos, sbuflen, "\"%s\", ",
- (*((std::string **)bufpos))->c_str());
- bufpos += sizeof(std::string *);
- break;
- case 'v':
- if (width == 2) {
- bufpos += PADDING(bufpos, v2f);
- v2f *v = (v2f *)bufpos;
- nprinted = snprintf(sbuf + pos, sbuflen,
- "(%f, %f), ", v->X, v->Y);
- bufpos += sizeof(v2f);
- } else {
- bufpos += PADDING(bufpos, v3f);
- v3f *v = (v3f *)bufpos;
- nprinted = snprintf(sbuf + pos, sbuflen,
- "(%f, %f, %f), ", v->X, v->Y, v->Z);
- bufpos += sizeof(v3f);
- }
- break;
- default:
- return false;
- }
- if (nprinted < 0) //error, buffer too small
- return false;
- pos += nprinted;
- sbuflen -= nprinted;
- }
-
- if (pos >= 2)
- sbuf[pos - 2] = 0;
+ std::string structstr;
+ if (!serializeStructToString(&structstr, format, value))
+ return false;
- set(name, std::string(sbuf));
+ set(name, structstr);
return true;
}
#include "serialize.h"
#include "pointer.h"
+#include "porting.h"
+#include "util/string.h"
#include "../exceptions.h"
#include <sstream>
#include <iomanip>
+#include <vector>
// Creates a string with the length as the first two bytes
std::string serializeString(const std::string &plain)
}
+bool deSerializeStringToStruct(std::string valstr,
+ std::string format, void *out, size_t olen)
+{
+ size_t len = olen;
+ std::vector<std::string *> strs_alloced;
+ std::string *str;
+ char *f, *snext;
+ size_t pos;
+
+ char *s = &valstr[0];
+ char *buf = new char[len];
+ char *bufpos = buf;
+
+ char *fmtpos, *fmt = &format[0];
+ while ((f = strtok_r(fmt, ",", &fmtpos)) && s) {
+ fmt = NULL;
+
+ bool is_unsigned = false;
+ int width = 0;
+ char valtype = *f;
+
+ width = (int)strtol(f + 1, &f, 10);
+ if (width && valtype == 's')
+ valtype = 'i';
+
+ switch (valtype) {
+ case 'u':
+ is_unsigned = true;
+ /* FALLTHROUGH */
+ case 'i':
+ if (width == 16) {
+ bufpos += PADDING(bufpos, u16);
+ if ((bufpos - buf) + sizeof(u16) <= len) {
+ if (is_unsigned)
+ *(u16 *)bufpos = (u16)strtoul(s, &s, 10);
+ else
+ *(s16 *)bufpos = (s16)strtol(s, &s, 10);
+ }
+ bufpos += sizeof(u16);
+ } else if (width == 32) {
+ bufpos += PADDING(bufpos, u32);
+ if ((bufpos - buf) + sizeof(u32) <= len) {
+ if (is_unsigned)
+ *(u32 *)bufpos = (u32)strtoul(s, &s, 10);
+ else
+ *(s32 *)bufpos = (s32)strtol(s, &s, 10);
+ }
+ bufpos += sizeof(u32);
+ } else if (width == 64) {
+ bufpos += PADDING(bufpos, u64);
+ if ((bufpos - buf) + sizeof(u64) <= len) {
+ if (is_unsigned)
+ *(u64 *)bufpos = (u64)strtoull(s, &s, 10);
+ else
+ *(s64 *)bufpos = (s64)strtoll(s, &s, 10);
+ }
+ bufpos += sizeof(u64);
+ }
+ s = strchr(s, ',');
+ break;
+ case 'b':
+ snext = strchr(s, ',');
+ if (snext)
+ *snext++ = 0;
+
+ bufpos += PADDING(bufpos, bool);
+ if ((bufpos - buf) + sizeof(bool) <= len)
+ *(bool *)bufpos = is_yes(std::string(s));
+ bufpos += sizeof(bool);
+
+ s = snext;
+ break;
+ case 'f':
+ bufpos += PADDING(bufpos, float);
+ if ((bufpos - buf) + sizeof(float) <= len)
+ *(float *)bufpos = strtof(s, &s);
+ bufpos += sizeof(float);
+
+ s = strchr(s, ',');
+ break;
+ case 's':
+ while (*s == ' ' || *s == '\t')
+ s++;
+ if (*s++ != '"') //error, expected string
+ goto fail;
+ snext = s;
+
+ while (snext[0] && !(snext[-1] != '\\' && snext[0] == '"'))
+ snext++;
+ *snext++ = 0;
+
+ bufpos += PADDING(bufpos, std::string *);
+
+ str = new std::string(s);
+ pos = 0;
+ while ((pos = str->find("\\\"", pos)) != std::string::npos)
+ str->erase(pos, 1);
+
+ if ((bufpos - buf) + sizeof(std::string *) <= len)
+ *(std::string **)bufpos = str;
+ bufpos += sizeof(std::string *);
+ strs_alloced.push_back(str);
+
+ s = *snext ? snext + 1 : NULL;
+ break;
+ case 'v':
+ while (*s == ' ' || *s == '\t')
+ s++;
+ if (*s++ != '(') //error, expected vector
+ goto fail;
+
+ if (width == 2) {
+ bufpos += PADDING(bufpos, v2f);
+
+ if ((bufpos - buf) + sizeof(v2f) <= len) {
+ v2f *v = (v2f *)bufpos;
+ v->X = strtof(s, &s);
+ s++;
+ v->Y = strtof(s, &s);
+ }
+
+ bufpos += sizeof(v2f);
+ } else if (width == 3) {
+ bufpos += PADDING(bufpos, v3f);
+ if ((bufpos - buf) + sizeof(v3f) <= len) {
+ v3f *v = (v3f *)bufpos;
+ v->X = strtof(s, &s);
+ s++;
+ v->Y = strtof(s, &s);
+ s++;
+ v->Z = strtof(s, &s);
+ }
+
+ bufpos += sizeof(v3f);
+ }
+ s = strchr(s, ',');
+ break;
+ default: //error, invalid format specifier
+ goto fail;
+ }
+
+ if (s && *s == ',')
+ s++;
+
+ if ((size_t)(bufpos - buf) > len) //error, buffer too small
+ goto fail;
+ }
+
+ if (f && *f) { //error, mismatched number of fields and values
+fail:
+ for (size_t i = 0; i != strs_alloced.size(); i++)
+ delete strs_alloced[i];
+ delete[] buf;
+ return false;
+ }
+
+ memcpy(out, buf, olen);
+ delete[] buf;
+ return true;
+}
+
+
+bool serializeStructToString(std::string *outstr,
+ std::string format, void *value)
+{
+ char sbuf[2048];
+ int sbuflen = sizeof(sbuf) - 1;
+ sbuf[sbuflen] = 0;
+ std::string str;
+ int pos = 0;
+ size_t fpos;
+ char *f;
+
+ char *bufpos = (char *)value;
+ char *fmtpos, *fmt = &format[0];
+ while ((f = strtok_r(fmt, ",", &fmtpos))) {
+ fmt = NULL;
+ bool is_unsigned = false;
+ int width = 0, nprinted = 0;
+ char valtype = *f;
+
+ width = (int)strtol(f + 1, &f, 10);
+ if (width && valtype == 's')
+ valtype = 'i';
+
+ switch (valtype) {
+ case 'u':
+ is_unsigned = true;
+ /* FALLTHROUGH */
+ case 'i':
+ if (width == 16) {
+ bufpos += PADDING(bufpos, u16);
+ nprinted = snprintf(sbuf + pos, sbuflen,
+ is_unsigned ? "%u, " : "%d, ",
+ *((u16 *)bufpos));
+ bufpos += sizeof(u16);
+ } else if (width == 32) {
+ bufpos += PADDING(bufpos, u32);
+ nprinted = snprintf(sbuf + pos, sbuflen,
+ is_unsigned ? "%u, " : "%d, ",
+ *((u32 *)bufpos));
+ bufpos += sizeof(u32);
+ } else if (width == 64) {
+ bufpos += PADDING(bufpos, u64);
+ nprinted = snprintf(sbuf + pos, sbuflen,
+ is_unsigned ? "%llu, " : "%lli, ",
+ (unsigned long long)*((u64 *)bufpos));
+ bufpos += sizeof(u64);
+ }
+ break;
+ case 'b':
+ bufpos += PADDING(bufpos, bool);
+ nprinted = snprintf(sbuf + pos, sbuflen, "%s, ",
+ *((bool *)bufpos) ? "true" : "false");
+ bufpos += sizeof(bool);
+ break;
+ case 'f':
+ bufpos += PADDING(bufpos, float);
+ nprinted = snprintf(sbuf + pos, sbuflen, "%f, ",
+ *((float *)bufpos));
+ bufpos += sizeof(float);
+ break;
+ case 's':
+ bufpos += PADDING(bufpos, std::string *);
+ str = **((std::string **)bufpos);
+
+ fpos = 0;
+ while ((fpos = str.find('"', fpos)) != std::string::npos) {
+ str.insert(fpos, 1, '\\');
+ fpos += 2;
+ }
+
+ nprinted = snprintf(sbuf + pos, sbuflen, "\"%s\", ",
+ (*((std::string **)bufpos))->c_str());
+ bufpos += sizeof(std::string *);
+ break;
+ case 'v':
+ if (width == 2) {
+ bufpos += PADDING(bufpos, v2f);
+ v2f *v = (v2f *)bufpos;
+ nprinted = snprintf(sbuf + pos, sbuflen,
+ "(%f, %f), ", v->X, v->Y);
+ bufpos += sizeof(v2f);
+ } else {
+ bufpos += PADDING(bufpos, v3f);
+ v3f *v = (v3f *)bufpos;
+ nprinted = snprintf(sbuf + pos, sbuflen,
+ "(%f, %f, %f), ", v->X, v->Y, v->Z);
+ bufpos += sizeof(v3f);
+ }
+ break;
+ default:
+ return false;
+ }
+ if (nprinted < 0) //error, buffer too small
+ return false;
+ pos += nprinted;
+ sbuflen -= nprinted;
+ }
+
+ // this is to trim off the trailing comma
+ if (pos >= 2)
+ sbuf[pos - 2] = 0;
+
+ *outstr = sbuf;
+
+ return true;
+}
// Reads a string encoded in JSON format
std::string deSerializeJsonString(std::istream &is);
+// Creates a string containing comma delimited values of a struct whose layout is
+// described by the parameter format
+bool serializeStructToString(std::string *outstr,
+ std::string format, void *value);
+
+// Reads a comma delimited string of values into a struct whose layout is
+// decribed by the parameter format
+bool deSerializeStringToStruct(std::string valstr,
+ std::string format, void *out, size_t olen);
+
#endif
projects / zefram / minetest / minetest_engine.git / commitdiff