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/* $Id$ */
/** @file settings_internal.h Functions and types used internally for the settings configurations. */
#ifndef SETTINGS_INTERNAL_H
#define SETTINGS_INTERNAL_H
#include "saveload.h"
#include "settings_type.h"
/** Convention/Type of settings. This is then further specified if necessary
* with the SLE_ (SLE_VAR/SLE_FILE) enums in saveload.h
* @see VarTypes
* @see SettingDescBase */
enum SettingDescTypeLong {
/* 4 bytes allocated a maximum of 16 types for GenericType */
SDT_BEGIN = 0,
SDT_NUMX = 0, ///< any number-type
SDT_BOOLX = 1, ///< a boolean number
SDT_ONEOFMANY = 2, ///< bitmasked number where only ONE bit may be set
SDT_MANYOFMANY = 3, ///< bitmasked number where MULTIPLE bits may be set
SDT_INTLIST = 4, ///< list of integers seperated by a comma ','
SDT_STRING = 5, ///< string with a pre-allocated buffer
SDT_END,
/* 10 more possible primitives */
};
template <> struct EnumPropsT<SettingDescTypeLong> : MakeEnumPropsT<SettingDescTypeLong, byte, SDT_BEGIN, SDT_END, SDT_END> {};
typedef TinyEnumT<SettingDescTypeLong> SettingDescType;
enum SettingGuiFlagLong {
/* 8 bytes allocated for a maximum of 8 flags
* Flags directing saving/loading of a variable */
SGF_NONE = 0,
SGF_0ISDISABLED = 1 << 0, ///< a value of zero means the feature is disabled
SGF_NOCOMMA = 1 << 1, ///< number without any thousand seperators (no formatting)
SGF_MULTISTRING = 1 << 2, ///< the value represents a limited number of string-options (internally integer)
SGF_NETWORK_ONLY = 1 << 3, ///< this setting only applies to network games
SGF_CURRENCY = 1 << 4, ///< the number represents money, so when reading value multiply by exchange rate
SGF_NO_NETWORK = 1 << 5, ///< this setting does not apply to network games; it may not be changed during the game
SGF_NEWGAME_ONLY = 1 << 6, ///< this setting cannot be changed in inside a game
SGF_END = 1 << 7,
};
DECLARE_ENUM_AS_BIT_SET(SettingGuiFlagLong);
template <> struct EnumPropsT<SettingGuiFlagLong> : MakeEnumPropsT<SettingGuiFlagLong, byte, SGF_NONE, SGF_END, SGF_END> {};
typedef TinyEnumT<SettingGuiFlagLong> SettingGuiFlag;
typedef int32 OnChange(int32 var); ///< callback prototype on data modification
typedef int32 OnConvert(const char *value); ///< callback prototype for convertion error
struct SettingDescBase {
const char *name; ///< name of the setting. Used in configuration file and for console
const void *def; ///< default value given when none is present
SettingDescType cmd; ///< various flags for the variable
SettingGuiFlag flags; ///< handles how a setting would show up in the GUI (text/currency, etc.)
int32 min, max; ///< minimum and maximum values
int32 interval; ///< the interval to use between settings in the 'patches' window. If interval is '0' the interval is dynamically determined
const char *many; ///< ONE/MANY_OF_MANY: string of possible values for this type
StringID str; ///< (translated) string with descriptive text; gui and console
OnChange *proc; ///< callback procedure for when the value is changed
OnConvert *proc_cnvt; ///< callback procedure when loading value mechanism fails
};
struct SettingDesc {
SettingDescBase desc; ///< Settings structure (going to configuration file)
SaveLoad save; ///< Internal structure (going to savegame, parts to config)
};
/* NOTE: The only difference between SettingDesc and SettingDescGlob is
* that one uses global variables as a source and the other offsets
* in a struct which are bound to a certain variable during runtime.
* The only way to differentiate between these two is to check if an object
* has been passed to the function or not. If not, then it is a global variable
* and save->variable has its address, otherwise save->variable only holds the
* offset in a certain struct */
typedef SettingDesc SettingDescGlobVarList;
enum IniGroupType {
IGT_VARIABLES = 0, ///< values of the form "landscape = hilly"
IGT_LIST = 1, ///< a list of values, seperated by \n and terminated by the next group block
};
const SettingDesc *GetPatchFromName(const char *name, uint *i);
bool SetPatchValue(uint index, int32 value);
#endif /* SETTINGS_H */
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