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Add ObjectRef:get_children() (#10480) 

Co-authored-by: Zughy <4279489-marco_a@users.noreply.gitlab.com>
master
Zughy 2020-10-13 21:27:52 +02:00 committed by GitHub
parent 521a04222a
commit 2341a4aff1
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3 changed files with 27 additions and 0 deletions
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2
doc/lua_api.txt
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@ -6206,6 +6206,8 @@ object you are working with still exists.
should appear in first person.
* `get_attach()`: returns parent, bone, position, rotation, forced_visible,
or nil if it isn't attached.
* `get_children()`: returns a list of ObjectRefs that are attached to the
object.
* `set_detach()`
* `set_bone_position(bone, position, rotation)`
* `bone`: string

22
src/script/lua_api/l_object.cpp
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@ -738,6 +738,27 @@ int ObjectRef::l_get_attach(lua_State *L)
return 5;
}
// get_children(self)
int ObjectRef::l_get_children(lua_State *L)
{
GET_ENV_PTR;
ObjectRef *ref = checkobject(L, 1);
ServerActiveObject *sao = getobject(ref);
if (sao == nullptr)
return 0;
const std::unordered_set<int> child_ids = sao->getAttachmentChildIds();
int i = 0;
lua_createtable(L, child_ids.size(), 0);
for (const int id : child_ids) {
ServerActiveObject *child = env->getActiveObject(id);
getScriptApiBase(L)->objectrefGetOrCreate(L, child);
lua_rawseti(L, -2, ++i);
}
return 1;
}
// set_detach(self)
int ObjectRef::l_set_detach(lua_State *L)
{
@ -2337,6 +2358,7 @@ luaL_Reg ObjectRef::methods[] = {
luamethod(ObjectRef, get_bone_position),
luamethod(ObjectRef, set_attach),
luamethod(ObjectRef, get_attach),
luamethod(ObjectRef, get_children),
luamethod(ObjectRef, set_detach),
luamethod(ObjectRef, set_properties),
luamethod(ObjectRef, get_properties),

3
src/script/lua_api/l_object.h
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@ -143,6 +143,9 @@ private:
// get_attach(self)
static int l_get_attach(lua_State *L);
// get_children(self)
static int l_get_children(lua_State *L);
// set_detach(self)
static int l_set_detach(lua_State *L);