diff options
| -rw-r--r-- | doc/lua_api.txt | 4 | ||||
| -rw-r--r-- | src/mg_decoration.cpp | 5 | ||||
| -rw-r--r-- | src/mg_decoration.h | 1 | ||||
| -rw-r--r-- | src/script/lua_api/l_mapgen.cpp | 10 |
4 files changed, 17 insertions, 3 deletions
diff --git a/doc/lua_api.txt b/doc/lua_api.txt index 703e81436..63c4bea48 100644 --- a/doc/lua_api.txt +++ b/doc/lua_api.txt @@ -4842,6 +4842,10 @@ Definition tables -- ^ If absent, the parameter 'height' is used as a constant. param2 = 0, -- ^ Param2 value of placed decoration node. + -- ^ If param2_max is not 0, this is the lower bound of the randomly selected param2. + param2_max = 0, + -- ^ Upper bound of the randomly selected param2. + -- ^ If absent, the parameter 'param2' is used as a constant. ----- Schematic-type parameters schematic = "foobar.mts", diff --git a/src/mg_decoration.cpp b/src/mg_decoration.cpp index 094694e44..cb4705177 100644 --- a/src/mg_decoration.cpp +++ b/src/mg_decoration.cpp @@ -227,6 +227,9 @@ size_t DecoSimple::generate(MMVManip *vm, PcgRandom *pr, v3s16 p) s16 height = (deco_height_max > 0) ? pr->range(deco_height, deco_height_max) : deco_height; + u8 param2 = (deco_param2_max > 0) ? + pr->range(deco_param2, deco_param2_max) : deco_param2; + bool force_placement = (flags & DECO_FORCE_PLACEMENT); const v3s16 &em = vm->m_area.getExtent(); @@ -239,7 +242,7 @@ size_t DecoSimple::generate(MMVManip *vm, PcgRandom *pr, v3s16 p) !force_placement) break; - vm->m_data[vi] = MapNode(c_place, 0, deco_param2); + vm->m_data[vi] = MapNode(c_place, 0, param2); } return 1; diff --git a/src/mg_decoration.h b/src/mg_decoration.h index 31f6871d9..b63e62eff 100644 --- a/src/mg_decoration.h +++ b/src/mg_decoration.h @@ -84,6 +84,7 @@ public: s16 deco_height; s16 deco_height_max; u8 deco_param2; + u8 deco_param2_max; }; diff --git a/src/script/lua_api/l_mapgen.cpp b/src/script/lua_api/l_mapgen.cpp index b179ac407..f475a8f7f 100644 --- a/src/script/lua_api/l_mapgen.cpp +++ b/src/script/lua_api/l_mapgen.cpp @@ -981,6 +981,7 @@ bool read_deco_simple(lua_State *L, DecoSimple *deco) { int index = 1; int param2; + int param2_max; deco->deco_height = getintfield_default(L, index, "height", 1); deco->deco_height_max = getintfield_default(L, index, "height_max", 0); @@ -993,6 +994,7 @@ bool read_deco_simple(lua_State *L, DecoSimple *deco) size_t nnames = getstringlistfield(L, index, "decoration", &deco->m_nodenames); deco->m_nnlistsizes.push_back(nnames); + if (nnames == 0) { errorstream << "register_decoration: no decoration nodes " "defined" << std::endl; @@ -1000,12 +1002,16 @@ bool read_deco_simple(lua_State *L, DecoSimple *deco) } param2 = getintfield_default(L, index, "param2", 0); - if ((param2 < 0) || (param2 > 255)) { - errorstream << "register_decoration: param2 out of bounds (0-255)" + param2_max = getintfield_default(L, index, "param2_max", 0); + + if (param2 < 0 || param2 > 255 || param2_max < 0 || param2_max > 255) { + errorstream << "register_decoration: param2 or param2_max out of bounds (0-255)" << std::endl; return false; } + deco->deco_param2 = (u8)param2; + deco->deco_param2_max = (u8)param2_max; return true; } |