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Add option to also check the center to find_node_near
(#5255)
* Add option to also check the center to `find_node_near`
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@ -2280,9 +2280,11 @@ and `minetest.auth_reload` call the authetification handler.
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* `minetest.get_gametime()`: returns the time, in seconds, since the world was created
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* `minetest.get_day_count()`: returns number days elapsed since world was created,
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* accounting for time changes.
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* `minetest.find_node_near(pos, radius, nodenames)`: returns pos or `nil`
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* `minetest.find_node_near(pos, radius, nodenames, [search_center])`: returns pos or `nil`
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* `radius`: using a maximum metric
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* `nodenames`: e.g. `{"ignore", "group:tree"}` or `"default:dirt"`
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* `search_center` is an optional boolean (default: `false`)
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If true `pos` is also checked for the nodes
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* `minetest.find_nodes_in_area(minp, maxp, nodenames)`: returns a list of positions
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* returns as second value a table with the count of the individual nodes found
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* `nodenames`: e.g. `{"ignore", "group:tree"}` or `"default:dirt"`
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@ -599,7 +599,7 @@ int ModApiEnvMod::l_get_gametime(lua_State *L)
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}
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// find_node_near(pos, radius, nodenames) -> pos or nil
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// find_node_near(pos, radius, nodenames, search_center) -> pos or nil
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// nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
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int ModApiEnvMod::l_find_node_near(lua_State *L)
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{
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@ -612,27 +612,27 @@ int ModApiEnvMod::l_find_node_near(lua_State *L)
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v3s16 pos = read_v3s16(L, 1);
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int radius = luaL_checkinteger(L, 2);
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std::set<content_t> filter;
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if(lua_istable(L, 3)){
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int table = 3;
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if (lua_istable(L, 3)) {
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lua_pushnil(L);
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while(lua_next(L, table) != 0){
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while (lua_next(L, 3) != 0) {
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// key at index -2 and value at index -1
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luaL_checktype(L, -1, LUA_TSTRING);
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ndef->getIds(lua_tostring(L, -1), filter);
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// removes value, keeps key for next iteration
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lua_pop(L, 1);
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}
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} else if(lua_isstring(L, 3)){
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} else if (lua_isstring(L, 3)) {
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ndef->getIds(lua_tostring(L, 3), filter);
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}
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for (int d=1; d<=radius; d++){
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int start_radius = (lua_toboolean(L, 4)) ? 0 : 1;
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for (int d = start_radius; d <= radius; d++) {
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std::vector<v3s16> list = FacePositionCache::getFacePositions(d);
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for (std::vector<v3s16>::iterator i = list.begin();
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i != list.end(); ++i){
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i != list.end(); ++i) {
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v3s16 p = pos + (*i);
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content_t c = env->getMap().getNodeNoEx(p).getContent();
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if (filter.count(c) != 0){
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if (filter.count(c) != 0) {
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push_v3s16(L, p);
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return 1;
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}
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@ -116,7 +116,7 @@ private:
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// get_day_count() -> int
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static int l_get_day_count(lua_State *L);
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// find_node_near(pos, radius, nodenames) -> pos or nil
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// find_node_near(pos, radius, nodenames, search_center) -> pos or nil
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// nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
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static int l_find_node_near(lua_State *L);
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