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Biomes: Add 'get heat', 'get humidity', 'get biome data' APIs

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'get biome data' returns biome id, heat and humidity.
Clean up nearby lines in lua_api.txt.
This commit is contained in:
paramat 2017-09-22 12:38:55 +01:00 • committed by paramat
parent 4c0d4e4105
commit d45e5da8ca
5 changed files with 302 additions and 39 deletions
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153
src/script/lua_api/l_mapgen.cpp
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@ -463,7 +463,7 @@ size_t get_biome_list(lua_State *L, int index,
///////////////////////////////////////////////////////////////////////////////
// get_biome_id(biomename)
// returns the biome id used in biomemap
// returns the biome id as used in biomemap and returned by 'get_biome_data()'
int ModApiMapgen::l_get_biome_id(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
@ -488,6 +488,154 @@ int ModApiMapgen::l_get_biome_id(lua_State *L)
}
// get_heat(pos)
// returns the heat at the position
int ModApiMapgen::l_get_heat(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
v3s16 pos = read_v3s16(L, 1);
NoiseParams np_heat;
NoiseParams np_heat_blend;
MapSettingsManager *settingsmgr =
getServer(L)->getEmergeManager()->map_settings_mgr;
if (!settingsmgr->getMapSettingNoiseParams("mg_biome_np_heat",
&np_heat) ||
!settingsmgr->getMapSettingNoiseParams("mg_biome_np_heat_blend",
&np_heat_blend))
return 0;
std::string value;
if (!settingsmgr->getMapSetting("seed", &value))
return 0;
std::istringstream ss(value);
u64 seed;
ss >> seed;
BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
if (!bmgr)
return 0;
float heat = bmgr->getHeatAtPosOriginal(pos, np_heat, np_heat_blend, seed);
if (!heat)
return 0;
lua_pushnumber(L, heat);
return 1;
}
// get_humidity(pos)
// returns the humidity at the position
int ModApiMapgen::l_get_humidity(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
v3s16 pos = read_v3s16(L, 1);
NoiseParams np_humidity;
NoiseParams np_humidity_blend;
MapSettingsManager *settingsmgr =
getServer(L)->getEmergeManager()->map_settings_mgr;
if (!settingsmgr->getMapSettingNoiseParams("mg_biome_np_humidity",
&np_humidity) ||
!settingsmgr->getMapSettingNoiseParams("mg_biome_np_humidity_blend",
&np_humidity_blend))
return 0;
std::string value;
if (!settingsmgr->getMapSetting("seed", &value))
return 0;
std::istringstream ss(value);
u64 seed;
ss >> seed;
BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
if (!bmgr)
return 0;
float humidity = bmgr->getHumidityAtPosOriginal(pos, np_humidity,
np_humidity_blend, seed);
if (!humidity)
return 0;
lua_pushnumber(L, humidity);
return 1;
}
// get_biome_data(pos)
// returns a table containing the biome id, heat and humidity at the position
int ModApiMapgen::l_get_biome_data(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
v3s16 pos = read_v3s16(L, 1);
NoiseParams np_heat;
NoiseParams np_heat_blend;
NoiseParams np_humidity;
NoiseParams np_humidity_blend;
MapSettingsManager *settingsmgr =
getServer(L)->getEmergeManager()->map_settings_mgr;
if (!settingsmgr->getMapSettingNoiseParams("mg_biome_np_heat",
&np_heat) ||
!settingsmgr->getMapSettingNoiseParams("mg_biome_np_heat_blend",
&np_heat_blend) ||
!settingsmgr->getMapSettingNoiseParams("mg_biome_np_humidity",
&np_humidity) ||
!settingsmgr->getMapSettingNoiseParams("mg_biome_np_humidity_blend",
&np_humidity_blend))
return 0;
std::string value;
if (!settingsmgr->getMapSetting("seed", &value))
return 0;
std::istringstream ss(value);
u64 seed;
ss >> seed;
BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
if (!bmgr)
return 0;
float heat = bmgr->getHeatAtPosOriginal(pos, np_heat, np_heat_blend, seed);
if (!heat)
return 0;
float humidity = bmgr->getHumidityAtPosOriginal(pos, np_humidity,
np_humidity_blend, seed);
if (!humidity)
return 0;
Biome *biome = (Biome *)bmgr->getBiomeFromNoiseOriginal(heat, humidity, pos.Y);
if (!biome || biome->index == OBJDEF_INVALID_INDEX)
return 0;
lua_newtable(L);
lua_pushinteger(L, biome->index);
lua_setfield(L, -2, "biome");
lua_pushnumber(L, heat);
lua_setfield(L, -2, "heat");
lua_pushnumber(L, humidity);
lua_setfield(L, -2, "humidity");
return 1;
}
// get_mapgen_object(objectname)
// returns the requested object used during map generation
int ModApiMapgen::l_get_mapgen_object(lua_State *L)
@ -1520,6 +1668,9 @@ int ModApiMapgen::l_serialize_schematic(lua_State *L)
void ModApiMapgen::Initialize(lua_State *L, int top)
{
API_FCT(get_biome_id);
API_FCT(get_heat);
API_FCT(get_humidity);
API_FCT(get_biome_data);
API_FCT(get_mapgen_object);
API_FCT(get_mapgen_params);