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Add option to also check the center to find_node_near (#5255)

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* Add option to also check the center to `find_node_near`
This commit is contained in:
red-001 2017-05-04 21:52:58 +01:00 • committed by Loïc Blot
parent 6fb27d3b2e
commit d6cf5450a8
3 changed files with 12 additions and 10 deletions
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16
src/script/lua_api/l_env.cpp
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@ -599,7 +599,7 @@ int ModApiEnvMod::l_get_gametime(lua_State *L)
}
// find_node_near(pos, radius, nodenames) -> pos or nil
// find_node_near(pos, radius, nodenames, search_center) -> pos or nil
// nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
int ModApiEnvMod::l_find_node_near(lua_State *L)
{
@ -612,27 +612,27 @@ int ModApiEnvMod::l_find_node_near(lua_State *L)
v3s16 pos = read_v3s16(L, 1);
int radius = luaL_checkinteger(L, 2);
std::set<content_t> filter;
if(lua_istable(L, 3)){
int table = 3;
if (lua_istable(L, 3)) {
lua_pushnil(L);
while(lua_next(L, table) != 0){
while (lua_next(L, 3) != 0) {
// key at index -2 and value at index -1
luaL_checktype(L, -1, LUA_TSTRING);
ndef->getIds(lua_tostring(L, -1), filter);
// removes value, keeps key for next iteration
lua_pop(L, 1);
}
} else if(lua_isstring(L, 3)){
} else if (lua_isstring(L, 3)) {
ndef->getIds(lua_tostring(L, 3), filter);
}
for (int d=1; d<=radius; d++){
int start_radius = (lua_toboolean(L, 4)) ? 0 : 1;
for (int d = start_radius; d <= radius; d++) {
std::vector<v3s16> list = FacePositionCache::getFacePositions(d);
for (std::vector<v3s16>::iterator i = list.begin();
i != list.end(); ++i){
i != list.end(); ++i) {
v3s16 p = pos + (*i);
content_t c = env->getMap().getNodeNoEx(p).getContent();
if (filter.count(c) != 0){
if (filter.count(c) != 0) {
push_v3s16(L, p);
return 1;
}