Files @ r24755:9b2ef076754d
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Location: cpp/openttd-patchpack/source/src/table/misc_settings.ini

Michael Lutz
Codechange: Don't use cpp_offsetof in the save/load code.

Many of the member variables that are used in save/load are inside types
that are not standard layout types. Using pointer arithmetics to determine
addresses of members inside types that are not standard layout is generally
undefined behaviour. If we'd use C++17, it is conditionally supported, which means
each compiler may or may not support it. And even then using it for individual
array elements is syntactically not supported the the standard offsetof function.

Unfortunately, the trickery employed for saving linkgraph settings causes quite some
clutter in the settings ini files.
; This file is part of OpenTTD.
; OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
; OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
; See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
;

[pre-amble]
extern std::string _config_language_file;

static const char *_support8bppmodes = "no|system|hardware";

static const SettingDescGlobVarList _misc_settings[] = {
[post-amble]
};
[templates]
SDTG_LIST  =  SDTG_LIST($name, $type, $length, $flags, $guiflags, $var, $def,                               $str, $strhelp, $strval, $proc, $from, $to, $cat, $extra),
SDTG_MMANY = SDTG_MMANY($name, $type,          $flags, $guiflags, $var, $def,                        $full, $str, $strhelp, $strval, $proc, $from, $to, $cat, $extra),
SDTG_OMANY = SDTG_OMANY($name, $type,          $flags, $guiflags, $var, $def,       $max,            $full, $str, $strhelp, $strval, $proc, $from, $to, $cat, $extra),
SDTG_STR   =   SDTG_STR($name, $type,          $flags, $guiflags, $var, $def,                               $str, $strhelp, $strval, $proc, $from, $to, $cat, $extra),
SDTG_SSTR  =  SDTG_SSTR($name, $type,          $flags, $guiflags, $var, $def,                               $str, $strhelp, $strval, $proc, $from, $to, $cat, $extra),
SDTG_BOOL  =  SDTG_BOOL($name,                 $flags, $guiflags, $var, $def,                               $str, $strhelp, $strval, $proc, $from, $to, $cat, $extra),
SDTG_VAR   =   SDTG_VAR($name, $type,          $flags, $guiflags, $var, $def, $min, $max, $interval,        $str, $strhelp, $strval, $proc, $from, $to, $cat, $extra),
SDTG_END   = SDTG_END()

[defaults]
flags    = SLF_NOT_IN_SAVE | SLF_NO_NETWORK_SYNC
guiflags = SGF_NONE
interval = 0
str      = STR_NULL
strhelp  = STR_CONFIG_SETTING_NO_EXPLANATION_AVAILABLE_HELPTEXT
strval   = STR_NULL
proc     = nullptr
load     = nullptr
from     = SL_MIN_VERSION
to       = SL_MAX_VERSION
cat      = SC_ADVANCED
extra    = 0



[SDTG_MMANY]
name     = ""display_opt""
type     = SLE_UINT8
var      = _display_opt
def      = (1 << DO_SHOW_TOWN_NAMES | 1 << DO_SHOW_STATION_NAMES | 1 << DO_SHOW_SIGNS | 1 << DO_FULL_ANIMATION | 1 << DO_FULL_DETAIL | 1 << DO_SHOW_WAYPOINT_NAMES | 1 << DO_SHOW_COMPETITOR_SIGNS)
full     = ""SHOW_TOWN_NAMES|SHOW_STATION_NAMES|SHOW_SIGNS|FULL_ANIMATION||FULL_DETAIL|WAYPOINTS|SHOW_COMPETITOR_SIGNS""

[SDTG_BOOL]
name     = ""fullscreen""
var      = _fullscreen
def      = false
cat      = SC_BASIC

[SDTG_OMANY]
name     = ""support8bpp""
type     = SLE_UINT8
var      = _support8bpp
def      = 0
max      = 2
full     = _support8bppmodes
cat      = SC_BASIC

[SDTG_SSTR]
name     = ""graphicsset""
type     = SLE_STRQ
var      = BaseGraphics::ini_set
def      = nullptr
cat      = SC_BASIC

[SDTG_SSTR]
name     = ""soundsset""
type     = SLE_STRQ
var      = BaseSounds::ini_set
def      = nullptr
cat      = SC_BASIC

[SDTG_SSTR]
name     = ""musicset""
type     = SLE_STRQ
var      = BaseMusic::ini_set
def      = nullptr
cat      = SC_BASIC

[SDTG_SSTR]
name     = ""videodriver""
type     = SLE_STRQ
var      = _ini_videodriver
def      = nullptr
cat      = SC_EXPERT

[SDTG_SSTR]
name     = ""musicdriver""
type     = SLE_STRQ
var      = _ini_musicdriver
def      = nullptr
cat      = SC_EXPERT

[SDTG_SSTR]
name     = ""sounddriver""
type     = SLE_STRQ
var      = _ini_sounddriver
def      = nullptr
cat      = SC_EXPERT

[SDTG_SSTR]
name     = ""blitter""
type     = SLE_STRQ
var      = _ini_blitter
def      = nullptr

[SDTG_SSTR]
name     = ""language""
type     = SLE_STR
var      = _config_language_file
def      = nullptr
cat      = SC_BASIC

; workaround for implicit lengthof() in SDTG_LIST
[SDTG_LIST]
name     = ""resolution""
type     = SLE_INT
length   = 2
var      = _cur_resolution
def      = ""0,0""
cat      = SC_BASIC

[SDTG_STR]
name     = ""screenshot_format""
type     = SLE_STRB
var      = _screenshot_format_name
def      = nullptr
cat      = SC_EXPERT

[SDTG_STR]
name     = ""savegame_format""
type     = SLE_STRB
var      = _savegame_format
def      = nullptr
cat      = SC_EXPERT

[SDTG_BOOL]
name     = ""rightclick_emulate""
var      = _rightclick_emulate
def      = false

[SDTG_STR]
ifdef    = HAS_TRUETYPE_FONT
name     = ""small_font""
type     = SLE_STRB
var      = _freetype.small.font
def      = nullptr

[SDTG_STR]
ifdef    = HAS_TRUETYPE_FONT
name     = ""medium_font""
type     = SLE_STRB
var      = _freetype.medium.font
def      = nullptr

[SDTG_STR]
ifdef    = HAS_TRUETYPE_FONT
name     = ""large_font""
type     = SLE_STRB
var      = _freetype.large.font
def      = nullptr

[SDTG_STR]
ifdef    = HAS_TRUETYPE_FONT
name     = ""mono_font""
type     = SLE_STRB
var      = _freetype.mono.font
def      = nullptr

[SDTG_VAR]
ifdef    = HAS_TRUETYPE_FONT
name     = ""small_size""
type     = SLE_UINT
var      = _freetype.small.size
def      = 0
min      = 0
max      = 72

[SDTG_VAR]
ifdef    = HAS_TRUETYPE_FONT
name     = ""medium_size""
type     = SLE_UINT
var      = _freetype.medium.size
def      = 0
min      = 0
max      = 72

[SDTG_VAR]
ifdef    = HAS_TRUETYPE_FONT
name     = ""large_size""
type     = SLE_UINT
var      = _freetype.large.size
def      = 0
min      = 0
max      = 72

[SDTG_VAR]
ifdef    = HAS_TRUETYPE_FONT
name     = ""mono_size""
type     = SLE_UINT
var      = _freetype.mono.size
def      = 0
min      = 0
max      = 72

[SDTG_BOOL]
ifdef    = HAS_TRUETYPE_FONT
name     = ""small_aa""
var      = _freetype.small.aa
def      = false

[SDTG_BOOL]
ifdef    = HAS_TRUETYPE_FONT
name     = ""medium_aa""
var      = _freetype.medium.aa
def      = false

[SDTG_BOOL]
ifdef    = HAS_TRUETYPE_FONT
name     = ""large_aa""
var      = _freetype.large.aa
def      = false

[SDTG_BOOL]
ifdef    = HAS_TRUETYPE_FONT
name     = ""mono_aa""
var      = _freetype.mono.aa
def      = false

[SDTG_VAR]
name     = ""sprite_cache_size_px""
type     = SLE_UINT
var      = _sprite_cache_size
def      = 128
min      = 1
max      = 512
cat      = SC_EXPERT

[SDTG_VAR]
name     = ""player_face""
type     = SLE_UINT32
var      = _company_manager_face
def      = 0
min      = 0
max      = 0xFFFFFFFF
cat      = SC_BASIC

[SDTG_VAR]
name     = ""transparency_options""
type     = SLE_UINT
var      = _transparency_opt
def      = 0
min      = 0
max      = 0x1FF
cat      = SC_BASIC

[SDTG_VAR]
name     = ""transparency_locks""
type     = SLE_UINT
var      = _transparency_lock
def      = 0
min      = 0
max      = 0x1FF
cat      = SC_BASIC

[SDTG_VAR]
name     = ""invisibility_options""
type     = SLE_UINT
var      = _invisibility_opt
def      = 0
min      = 0
max      = 0xFF
cat      = SC_BASIC

[SDTG_STR]
name     = ""keyboard""
type     = SLE_STRB
var      = _keyboard_opt[0]
def      = nullptr
cat      = SC_EXPERT

[SDTG_STR]
name     = ""keyboard_caps""
type     = SLE_STRB
var      = _keyboard_opt[1]
def      = nullptr
cat      = SC_EXPERT

[SDTG_VAR]
name     = ""last_newgrf_count""
type     = SLE_UINT32
var      = _settings_client.gui.last_newgrf_count
def      = 100
min      = 0
max      = UINT32_MAX
cat      = SC_EXPERT

[SDTG_VAR]
name     = ""gui_zoom""
type     = SLE_UINT8
var      = _gui_zoom
def      = ZOOM_LVL_OUT_4X
min      = ZOOM_LVL_MIN
max      = ZOOM_LVL_OUT_4X
cat      = SC_BASIC

[SDTG_VAR]
name     = ""font_zoom""
type     = SLE_UINT8
var      = _font_zoom
def      = ZOOM_LVL_OUT_4X
min      = ZOOM_LVL_MIN
max      = ZOOM_LVL_OUT_4X
cat      = SC_BASIC

[SDTG_END]