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script: Fix add_entity returning unusable ref if object deleted in on_activate

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sfan5 2020-04-26 20:29:16 +02:00 committed by Loïc Blot
parent e564bf8ead
commit f6f6dd140f
1 changed files with 5 additions and 5 deletions
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10
src/script/lua_api/l_env.cpp
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@ -589,19 +589,19 @@ int ModApiEnvMod::l_add_entity(lua_State *L)
{ {
GET_ENV_PTR; GET_ENV_PTR;
// pos
v3f pos = checkFloatPos(L, 1); v3f pos = checkFloatPos(L, 1);
// content
const char *name = luaL_checkstring(L, 2); const char *name = luaL_checkstring(L, 2);
// staticdata
const char *staticdata = luaL_optstring(L, 3, ""); const char *staticdata = luaL_optstring(L, 3, "");
// Do it
ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, staticdata); ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, staticdata);
int objectid = env->addActiveObject(obj); int objectid = env->addActiveObject(obj);
// If failed to add, return nothing (reads as nil) // If failed to add, return nothing (reads as nil)
if(objectid == 0) if(objectid == 0)
return 0; return 0;
// Return ObjectRef
// If already deleted (can happen in on_activate), return nil
if (obj->isGone())
return 0;
getScriptApiBase(L)->objectrefGetOrCreate(L, obj); getScriptApiBase(L)->objectrefGetOrCreate(L, obj);
return 1; return 1;
} }