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Allow 'default' parameter in 'settings:get_bool' function

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Default value is used when the setting key is not found in the config
file. If default value is not set, 'nil' is returned.

#6188
This commit is contained in:
Jordan Irwin 2017-12-17 07:27:37 -08:00 committed by rubenwardy
parent 26c7e98e3d
commit 18b921015a
2 changed files with 8 additions and 2 deletions
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4
doc/lua_api.txt
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@ -4131,7 +4131,9 @@ It can be created via `Settings(filename)`.
#### Methods
* `get(key)`: returns a value
* `get_bool(key)`: returns a boolean
* `get_bool(key, [default])`: returns a boolean
* `default` is the value returned if `key` is not found.
* Returns `nil` if `key` is not found and `default` not specified.
* `get_np_group(key)`: returns a NoiseParams table
* `set(key, value)`
* Setting names can't contain whitespace or any of `="{}#`.

6
src/script/lua_api/l_settings.cpp
View File

@ -100,7 +100,11 @@ int LuaSettings::l_get_bool(lua_State* L)
bool value = o->m_settings->getBool(key);
lua_pushboolean(L, value);
} else {
lua_pushnil(L);
// Push default value
if (lua_isboolean(L, 3))
lua_pushboolean(L, lua_toboolean(L, 3));
else
lua_pushnil(L);
}
return 1;