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Expose mapgen parameters on scripting init

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Add minetest.get_mapgen_params()
Deprecate minetest.register_on_mapgen_init()
This commit is contained in:
kwolekr 2014-12-29 12:58:55 -05:00
parent ff3cfb746e
commit 5e2753c712
9 changed files with 97 additions and 86 deletions
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48
src/script/lua_api/l_mapgen.cpp
View file

@ -325,6 +325,31 @@ int ModApiMapgen::l_get_mapgen_object(lua_State *L)
return 0;
}
int ModApiMapgen::l_get_mapgen_params(lua_State *L)
{
MapgenParams *params = &getServer(L)->getEmergeManager()->params;
lua_newtable(L);
lua_pushstring(L, params->mg_name.c_str());
lua_setfield(L, -2, "mgname");
lua_pushinteger(L, params->seed);
lua_setfield(L, -2, "seed");
lua_pushinteger(L, params->water_level);
lua_setfield(L, -2, "water_level");
lua_pushinteger(L, params->chunksize);
lua_setfield(L, -2, "chunksize");
std::string flagstr = writeFlagString(params->flags, flagdesc_mapgen, (u32)-1);
lua_pushstring(L, flagstr.c_str());
lua_setfield(L, -2, "flags");
return 1;
}
// set_mapgen_params(params)
// set mapgen parameters
int ModApiMapgen::l_set_mapgen_params(lua_State *L)
@ -332,38 +357,34 @@ int ModApiMapgen::l_set_mapgen_params(lua_State *L)
if (!lua_istable(L, 1))
return 0;
EmergeManager *emerge = getServer(L)->getEmergeManager();
assert(emerge);
std::string flagstr;
MapgenParams *params = &getServer(L)->getEmergeManager()->params;
u32 flags = 0, flagmask = 0;
lua_getfield(L, 1, "mgname");
if (lua_isstring(L, -1)) {
emerge->params.mg_name = std::string(lua_tostring(L, -1));
delete emerge->params.sparams;
emerge->params.sparams = NULL;
params->mg_name = lua_tostring(L, -1);
delete params->sparams;
params->sparams = NULL;
}
lua_getfield(L, 1, "seed");
if (lua_isnumber(L, -1))
emerge->params.seed = lua_tointeger(L, -1);
params->seed = lua_tointeger(L, -1);
lua_getfield(L, 1, "water_level");
if (lua_isnumber(L, -1))
emerge->params.water_level = lua_tointeger(L, -1);
params->water_level = lua_tointeger(L, -1);
lua_getfield(L, 1, "flagmask");
if (lua_isstring(L, -1)) {
flagstr = lua_tostring(L, -1);
emerge->params.flags &= ~readFlagString(flagstr, flagdesc_mapgen, NULL);
params->flags &= ~readFlagString(lua_tostring(L, -1), flagdesc_mapgen, NULL);
errorstream << "set_mapgen_params(): flagmask field is deprecated, "
"see lua_api.txt" << std::endl;
}
if (getflagsfield(L, 1, "flags", flagdesc_mapgen, &flags, &flagmask)) {
emerge->params.flags &= ~flagmask;
emerge->params.flags |= flags;
params->flags &= ~flagmask;
params->flags |= flags;
}
return 0;
@ -818,6 +839,7 @@ void ModApiMapgen::Initialize(lua_State *L, int top)
{
API_FCT(get_mapgen_object);
API_FCT(get_mapgen_params);
API_FCT(set_mapgen_params);
API_FCT(set_noiseparams);
API_FCT(set_gen_notify);

4
src/script/lua_api/l_mapgen.h
View file

@ -33,6 +33,10 @@ private:
// returns the requested object used during map generation
static int l_get_mapgen_object(lua_State *L);
// get_mapgen_params()
// returns the currently active map generation parameter set
static int l_get_mapgen_params(lua_State *L);
// set_mapgen_params(params)
// set mapgen parameters
static int l_set_mapgen_params(lua_State *L);